Transcriptional control of physiological and pathological processes by the nuclear receptor PPAR beta/delta Nguan Soon Tan, Manuel Vázquez-Carrera, Alexandra Montagner, Ming Keat Sng, Hervé Guillou, Walter Wahli

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Nguan Soon Tan, Manuel Vázquez-Carrera, Alexandra Montagner, Ming Keat Sng, Hervé Guillou, et al.. Transcriptional control of physiological and pathological processes by the nuclear receptor PPAR beta/delta. Progress in Lipid Research, Elsevier, 2016, 64, pp.98-122. ￿10.1016/j.plipres.2016.09.001￿. ￿hal-01594607￿

HAL Id: hal-01594607 https://hal.archives-ouvertes.fr/hal-01594607 Submitted on 26 Sep 2017

HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Ù×Ö ÔØ Version postprint ÅÒ Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : eoei spbihdi t nlfr.Pes oeta uigtepouto process production the during that th pertain. note manuscript. affect journal Please the the could of to form. which proof apply publication. version discovered final resulting for its be early the in may accepted this of errors published providing review been is and has are it typesetting, we that copyediting, before manuscript customers undergo will unedited our manuscript an to The of service file a PDF As a is This 10.1016/j.plipres.2016.09.001 V´ Soon, Nguan Tan as: article this cite Please 2016 September 20 2016 August 31 2016 April date: 1 Accepted date: Revised doi: date: Received S0163-7827(16)30013-3 925 JPLR in: appear To Reference: DOI: PII: Herv´ Sng, V´ Manuel Tan, Soon Nguan the by processes pathological and PPAR receptor physiological nuclear of control Transcriptional ÔØ lgcladptooia rcse ytencerrcpo PPAR receptor nuclear the by processes Herv´ pathological Guillou and Keat, ological Ming Sng dra, ulo,Wle Wahli Walter Guillou, e 10.1016/j.plipres.2016.09.001 Comment citer cedocument: β / δ 10.1016/j.plipres.2016.09.001 zuzCrea lxnr otge,Mn Keat Ming Montagner, Alexandra azquez-Carrera,

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by References Acknowledgements 10. Conclusion 9. 8 7 6 5 4 inearly3. PPARβ/δ 2. Molecular oftranscriptional mechanisms regulation Introduction1. Contents the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : . . . . . PPAR PPARβ/ ininsulin resistancePPARβ/δ and incardiovascularPPARβ/δ disease int PPARβ/δ PPARβ/δ 9.2 8.2 8.1 7.1 Adiposetissue 9.1 Neuroprotectivein neuro role 7.4 Pancreas 7.3. Liver 7.2 Skeletal muscle 6.3 Cardiacdisease 6.2 Atherosclerosis dysfunction6.1 Endothelial otherorgans repair5.3 Tissue in 5.2 Skin repair repair tissue 5.1 Inflammatory during response 2.3 Transrepression and 2.2 Transactivation localization 2.1 Cellular 

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by superfamily. receptor nuclear the of members all among regions conserved most the are respectively) LBD, and (DBD structur metabolism, veryand challengingtarget attractive system, PPARβ to attributed been have functions syndrome al diseases pharmacological and catabolism overlapping isotype rang that extensivel been have family PPAR the of (NR1C2) 1990 in hepatocytes rodent in proliferation peroxisome ligands. respective their superfamily receptor hormone nuclear the to belong that 1. the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : though

Introduction - proliferator Peroxisome ally specific s s h cs fr all for case the is As

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beyond beyond In contrast

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differentiation and proliferation, ACCEPTED are both and respectively, storage, lipid and differentiation adipocyte MANUSCRIPT The DBD consists of of consists DBD The (NR1C3)

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tissue expression, all three PPAR three all expression, tissue no PPARβ/δ ligandsno PPARβ/δ .

PPARα and PPARγ have established roles roles established have PPARγ and PPARα FDA

the gut, the brain, and skin and brain, the gut, the mediati te member other - , activated receptors activated

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ng modular domains. The DNA The domains. modular as it is involved in numerous key functions, such as energy suchas innumerous functions, isinvolved key it as /δ in skeletal muscle, adipose tissue, the cardiovascular the tissue, adipose muscle, skeletal in /δ peroxisome proliferation peroxisome y linked to numerous systemic and cellular activities cellular and systemic numerous to linked y α - s

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by lipid they PPARβ/δ, 2.1 2. many metabolic ofthe caused diseases by thedysregulationof PPAR, the promote consequently and PPARβ/δ of LBD transcription ofdownstreamgenes target the to bind to molecules coactivator induces repress and bind to molecules corepressor for allows conformation open its in exists 12 helix present, is ligand no to When PPARβ/δ. of LBD able are Ligands corepressors. and coactivators allosterically with binding of levels the between of presence FA natural including pocket binding sheet is LBD The genes. target PPARβ/δ of domains receptor finger the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

Cellular localization Cellular Molecularmechanisms transcriptionaof - A a ebr f h PA fml, PR/ as psess rltvl lre ligand large relatively a possesses also PPARβ/δ family, PPAR the of member a As . binding protein binding - like In this review, we will will we review, this In As a nuclear receptor, PPARβ/δ is localized in the nucleus of cells. of nucleus the in localized is PPARβ/δ receptor, nuclear a As PPARβ/δ

( cnomtoa cag a hlx 12 helix at change conformational a RXR motifs a alter the conformation of the helical structure (helix 12) at the 12)atstructure the (helix helical conformation ofthe the alter ligand, transcriptional activity is dependent on and regulated by a tight balance balance tight a by regulated and on dependent is activity transcriptional ligand, )

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, which allow which ,

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the status of this nuclear receptor as a potential therapeutic target for target therapeutic potential a as receptor nuclear this of status the discuss

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PPARβ/δ to interact with a broad spectrum o spectrum broad a with interact to PPARβ/δ

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by of sites PPRE the for competition PPARβ/δ the via transcription basal transcription transcription basal repress to able is PPARβ/δ 1) (Figure to acetyltransferases histone other and CBP/p300 as such PPARβ/δ 2.2 atherosclerosis and F between activities and differentiation, cell homeostasis, function many affect the and tissues, these of many in PPARβ/δ cell specific kidney brain, glands, mammary in FABP5 of expression FABP5 to the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

enhance the transcriptional activity of PPARβ/δ of activity transcriptional the enhance PPARα and PPARγ, PPARβ/δ functions as a transcriptional repressor in its unliganded state unliganded its in repressor transcriptional a as functions PPARβ/δ PPARγ, and PPARα

Transactivation and Transactivation in

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monomers or heterodimers or monomers This . induced

type ransactivation of PPARβ/δ involves the binding of an agonist to the LBD of of LBD the to agonist an of binding the involves PPARβ/δ of ransactivation [28]

[24] s such as macrophages as such s . function

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that ACCEPTED MANUSCRIPT s 10.1016/j.plipres.2016.09.001 Comment citer cedocument:

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report, the authors demonstrated that unliganded PPARβ/δ suppressed PPARβ/δ unliganded that demonstrated authors the report, nearly f PPARβ/δ of - many erimn o crpesr molecules corepressor of recruitment

specific s

, liver, lung liver, , w dcds g, ueos tde have studies numerous ago, decades two uh as such tissues those

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genes [16] is

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It

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by anti BCL [35 VCAM as such dissociation This triggered cells cells, cells endothelial and cells muscle smooth vascular repressor transcriptional certain perform to able is PPARβ/δ 2.3 the recruitment ofhistone deacetylases keratinocytes human in on effect repressive potent a exert to able another coactivators and [29 (SMRT) receptor hormone thyroid and retinoid for mediator silencing and (NCoR) corepressor rep mediated the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : ,30] ,36] - Transrepression atherosclero -

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by of groups nucleophilic with bonds covalent form may unclear remains activatePPARβ/δ β pancreatic and polyunsaturated (4 hydroxydodecadienal of products peroxidation 8( product lipoxygenation eicosanoids, very of components and activity. by caused diseases metabolic the of many for target functions functions antagonist development the controversies, discrepancies diseases certain in PPARβ/δ of role the regarding and PPARβ/δ PPARβ/δ andsynthetic ligandsof 2.4 Natural in macrophages ne the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : phro their pathy As a member of the PPAR family, PPARβ/δ is responsive to naturally oc naturally to responsive is family,PPARβ/δ PPAR the of member a As groups independent many years, the Over

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natural ligands that can ligandsthat natural ACCEPTED MANUSCRIPT - [45

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est lppoen (VLDL). lipoprotein density S

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ligand of simultaneous se transporters se

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, in many human tumors human many in

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by similar PPARβ/δ demonstrated for approved been have compounds these of none Although healthcare These development ligands ne hippocampal postnatal subjects obese of tissue adipose indirect undiscovered t possible also is as Intheir selectiveagonists. PPARβ/δ otherand between RA propositio this against argued oncogenic of expression oncogenic that FABP5 of d Bioscience Compedia cancer various in prognosis patient poor with associated are tumors in FABP5 esophagus and colon, skin, breast, prostate, bladder, pancreas, the of the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

shown by their reporter assays reporter their by shown

in line with line in

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antagonists but are upregulated in neural stem/progenitor cells during cells stem/progenitor neural in upregulated are but PPARβ/δ o recruit coactivator recruit o . Moreover, it has been documented that elevated levels elevated that documented been has it Moreover, . .

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by 3. differentiation expression demonstrated a hypothesis, suggests present expressed PPARβ/δ importance shuttling ofnucleocytoplasmic partitioning [69] 41 Ro example, For another. an Interestingly, antagonist for demonstrated been agonists PPAR determined antagonists. transport or agonists synthetic and including eicosanoids, ligands, of spectrum broad a with interacts PPARβ/δ ma studies, the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

PPAR I ti con this In .

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of the e the of loss o expressed not

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and .

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interest Using its its Using various . in

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laevis uce ( muscle

that

sn a atsne opoio (MO) morpholino antisense an using PPARβ/δ iad to ligands oee, w However, relatively large ligand large relatively effectors

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[2,

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s

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. vrey of variety a

in which in during gastrulation during PPARβ/δ PPARβ/δ key for development development for key The

ehr intracellular hether function as function supported supported

[38] and ) PPARβ/δ .

PPAR In support of this this of Insupport - activate binding pocket, pocket, binding

remains to be be to remains ri ( brain

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FA [70]

- tive FA the of

10 ly is s  - ) , .

Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by the PPARβ/δ ( significantly increased gene age with change (ED54 fro intestin by examined development. processes, pathological role important development ofthe duringtheformation placenta be develop pluripotencyof Importantly t stage pluripotent the at deposited and gastrulation During unveiled. was PPARβ/δ marks epigenetic between cooperation important an experiments, immunoprecipitation with approach function the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : between

m embryonic day (ED) 54 to 125, to 54 (ED) day embryonic m development. early during coordinated PPARβ/δ PPARβ/δ [75] – al ept is discovery its Despite ment of ment 120), , liver, lung, heart, kidney, adrenal, thymus, stomach and spleen and stomach thymus, adrenal, kidney, heart, lung, liver, ,

ED54 . protein ua ftl ie expressed liver fetal Human , PPARβ/δ is the first identified transcription factor transcription identified first the is PPARβ/δ ,

a few few a kidney The mRNA The s

protein in vivo in , a and of

as determined by real by determined as expression greater groups groups PPARβ/δ

125

(ED54 ACCEPTED MANUSCRIPT

10.1016/j.plipres.2016.09.001 during embryonic during Comment citer cedocument: across the age range age the across ACCEPTED MANUSCRIPT high level ) su

mechanistic understanding of how the activation of activation the how of understanding mechanistic and intestin and and protein expression of expression protein and r [74

prisingly – - 125), throughput RNA throughput decreased with fetal age, no age, fetal with decreased

n t in ,75] s eemnd by determined as s early as e rncitoa cnrl of control transcriptional he .

spleen ( spleen Based on an analysis of analysis an on Based

activate o PPARβ/δ al tissues al ite s nw aot t epeso during expression its about known is little - time PCR PCR time as PPARβ/δ development

In mammals, In

ED67 , 92 and 1992 ;

PPARβ/δ recognizes H3K27me3 marks H3K27me3 recognizes PPARβ/δ in contrast, in -

seq seq mRNA expression in fetal lung, adrenal, stomach adrenal, lung, fetal in expression mRNA ( the the ED54 , inwhich , –

125) using transcript expression analys expression transcript etr bo analysis blot western RA rm ED54 from mRNA rncito of transcription PPARβ/δ in human various fetal tissues was was tissues fetal various human in PPARβ/δ –

[70]

120) the

and thymus and PPARβ/δ also plays a major role later in in later role major a plays also PPARβ/δ 

2 it tissue showed a showed tissue .

- s expression s PPAR

nine human nine ueos tde underscor studies numerous . Except for for Except . microglobulin as the internal control control internal the as microglobulin T h ese energy homeostasis homeostasis energy

to drive to 

finding is alsoinvolved

tissues al dfeetain genes. differentiation early –

fetal tissues fetal

adrenal 125 decrease an epigenetic signature signature epigenetic an

s . tissues

significant change in change significant open ( The spatiotemporal spatiotemporal The , ED74

and its expression expression its and many e

s and chromatin chromatin and s tissue, in which in tissue, , ranging in age age in ranging , the doo the d

in [71

, 120) 120) ua fetal human genes genes and various various and specifi

previously fetal heart heart fetal – 73] r ing did not did for for might might . cally

the the the the 11

Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by already test mouse in supported by the spermatocytes isfurther spermatocytes and spermatids is PPARβ/δ 4. playrole major and tissues fetal human various in detected barely was PPARβ/δ nuclei 8 at colon fetal human the of layers cells. villous differentiated the in than cells epithelial the 22WD, At studied. stages all intestine, small the marked cells epithelial esophageal stage developmental antibodies polyclonal was tract digestive fetal human the of of distribution the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

PPAR in ly All three PPAR isotypes are expressed in somatic and germ cells of the testis. In rat In testis. the of cells germ and somatic in expressed are isotypes PPAR three All detectable at by immunohistochemistry

epithel

decrease staining was observed in the crypt regions of the colon. However, colon. the of regions crypt the in observed was staining β/δ expressed in Leydig cells and Sertoli cells Sertoli and cells Leydig in expressed

in es PPARβ/δ PPARβ/δ s ial and mesenchymal cells. mesenchymalcells. and ial

in gametes [77] d tissue tissue stronger

at 20WD. At la At 20WD. at in these regions these in examined. s

ACCEPTED MANUSCRIPT Pemlnain os embryos mouse Preimplantation . [74] 10.1016/j.plipres.2016.09.001 Comment citer cedocument: ACCEPTED MANUSCRIPT during( development

morphogenesis, and/or development physiology and

. was detectable between 7WD and 14WD, and 7WD between detectable was

PPARβ/δ PPARβ/δ PPARβ/δ PPARβ/δ

preimplantation embryos in and

[10] PR/ epeso i the in expression PPARβ/δ regions of the fetal the of regions

ter stagester -

. PPARβ/δ at 14WD at 20WD. The 20WD.

further further a detected was h epeso of expression The staining was observed in the ileum than in the jejunum at jejunum the in than ileum the in observed was staining

o bserved Compared to Compared , examined

from

PPARβ/δ PPARβ/δ [74]

tiig inl a srne i te la crypt ileal the in stronger was signal staining the PPARβ/δ signal w signal PPARβ/δ

. expression ofexpression two 7

The throughout

to digestive tract suggest that suggest tract digestive - PPARβ/δ was expressed in expressed was PPARβ/δ via cell stagecell 22 staining was more restricted to nucl restrictedto more wasstaining [76] distinct PPARβ/δ PPARβ/δ show

weeks PPARβ/δ immunohistochemistry using specific specific using immunohistochemistry . I cytoplasm and nucleus of human human of nucleus and cytoplasm n

the gastric epithelium at all the the all at epithelium gastric the PPARβ/δ expression profi expression Ssm mice p [78] of gestation of lacentation staining in the in staining as

, a novel PPAR target gene, gene, target PPAR novel , a peak

n os semtd and spermatids mouse in , or primarily localized to localized primarily PPARβ/δ PPARβ/δ

the .

ed xrsin which expression,

eight

, WD; , WD; at 15WD, 15WD, at

PPARβ/δ staining PPARβ/δ les of of les is expressed in expressed is ileum, strongerileum, - PPARβ/δ cell stagecell the different different the ~ ED49 PPARβ/δ and then and - ei. In ei.

154 may [79]

the

12 is s ) ,

Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by genotypeMendelian were found distributions PPAR of colony The background. genetic prod backcrosses Subsequent intrauterine of producedfewer Sv/129) x (C57BL/6N PPAR PPAR the species, mRNA these PPAR PPAR of skin transcript type PPAR liver and terminal in 1.14 PPAR of role the in discrepancy apparent an reveal groups these from observations The mice. knockout context play PPARβ/δ PPARβ/δ and the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

the genomic clone, herein referred referred herein clone, genomic the E10 - ean detectable remains kb phosphoribosyltransferase intheII same thelast direction into gene exon of transcription β/δ β/δ β/δ β/δ

o understand To embryos and and embryos in rodents in 60 amino acids amino 60

ex8 ex8 in placentation. In 2000, Peters et al. disrupted the mouse PPAR mouse the disrupted al. et Peters In2000, placentation. in in the inner cell mass and the trophectoderm the and mass cell inner the in tissue a udtcal i aut os skin mouse adult in undetectable was

mouse, development ie Te breeding The mice. s

β/δ in

an important rolein an important s

non ex8 eeld n mRNA an revealed , three , and the expression of this mutant transcript mutant this of expression the and

-

ACCEPTEDmice, MANUSCRIPT E18 E18 muta

10.1016/j.plipres.2016.09.001 Comment citer cedocument: h fntos of functions the ACCEPTED MANUSCRIPT

throug independent groups have used different strategies to generate PPAR generate to strategies different used have groups independent , of PPAR of

fetuses nt and n ti result this and

mice. Neither the larger nor nor larger the Neither mice. uce ot h pemlnain eid Mue lsoyt as express also blastocysts Mouse period. preimplantation the hout h gross the β/δ d

β/δ PPAR of absence the that revealed

of PPAR early development.

prote

[81] eeoyos fsrn o mxd eei background genetic mixed of offspring heterozygous homozygous homozygous transcript to

PPARβ/δ β/δ n a nt eetd n eai ncer xrcs from extracts nuclear hepatic in detected not was in as . Northern blot analysis of R of analysis blot Northern . morphology

a epand y a by explained was

β/δ ex8 in PPAR

ex8 subsequent heterozygous matings.subsequent mice k lre ta te wild the than larger kb 1 cells

mice reproduced successfully, and normal normal and successfully, reproduced mice β/δ n an in PPAR ,

~75%

ex8

[79 [82] f h concepti the of Ti isrin truncate insertion This . a β/δ n vivo in ,80] truncated mRNA was detected in the the in detected was mRNA truncated Hwvr dsie h peec of presence the despite However, . ex8 of which were in the the in were which of .

was was mice than expected. An analysisAn expected. than mice These observations suggest that suggest observations These

later study study later n physiological and lower than lower β/δ NA from brain, adipose brain, from NA perd normal appeared

β/δ was not lethal lethal not was - type mRNA in the the in mRNA type

gene by inser by gene that that

that of that

d revealed that that revealed

only only y relevant ly C57BL/6N C57BL/6N

the wild the the the during

ti [81] ng β/δ C 13

a s - - .

Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by differentiation cell trophoblast promoting in PPARβ/δ plac death animals mutant background (mixed mating 4 exon delete E9.5 morphogen proper undergo to placenta the of failure extensivemajor E10.5lethalityexhibited maternal point placent loose counterpart markedly background genetic specific a or res backcrosses PPAR lethal that suggesting crosses, heterozygous eliminated PPARβ/δ which gene, PPARβ/δ the the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : ult indicates that indicates ult enta was the most most the was enta ity and β/δ were ar e al et Nadra al et Barak

ex4 ex4 to stun E10.5

nearly s

observed. Further investigation revealed that the trophoblast giant cell layer of the of layer cell giant trophoblast the that revealed investigation Further observed. Hsooia eaiain f PPAR of examination Histological . embryos of [72] embryos al ted

- n ms of most and the original knockout original the decidual connections. By E12.5, three of four PPAR four of three E12.5, By connections. decidual ,

I cnrs to contrast In .

n lv PPARβ/δ live and [73] the entire PPAR entire the growth .

.

(2002) used a Cre/lo a used (2002) the lethality of PPARβ/δ of lethality the 20) ofre ta dlto of deletion that confirmed (2006) ,

. ACCEPTED MANUSCRIPT

showed no increase in survival rate survival in increase no showed 10.1016/j.plipres.2016.09.001 Comment citer cedocument: hs needn gop used group independent This hc appeared which severely ACCEPTED MANUSCRIPT at term at ,

xn 5 exon harbors C57BL6/Sv129) did not produce the expected Mendelian ratio of of ratio Mendelian expected the produce not did C57BL6/Sv129) affected , the

β/δ and most most and

ex4

from

approach h N the [72, strain gene product. PPAR product. gene

the fsrn wr rare were offspring

o cu a E10.5. at occur to x by this mutation this by 81]

- homozygous loss of PPAR of loss homozygous the the mediated recombination strategy to delete exon 4 of of 4 exon delete to strategy recombination mediated

- (129 PPARβ/δ emnl af f the of half terminal ex4 Sriig PPAR Surviving . PR/ gn ( gene PPARβ/δ

by is not alleviated by alleviated not is s v/Jae) v/Jae)

β/δ ees t al et Peters esis, leading to embryonic lethality embryonic to leading esis, ex4 ex4 a

hemorrhages

with homologous recombination strategy to to strategy recombination homologous the concepti at E9.5 revealed abnormally abnormally revealed E9.5 at concepti pups towards . The authors showed a direct a showed authors The .

β/δ despite ,

PR/ gn result gene PPARβ/δ although

ex4 isogenic C57BL/6J breeders C57BL/6J isogenic n otat to contrast In were smaller than their wild their than smaller were .

i.e., i.e.,

20) ti dsuto strategy disruption this (2000), β/δ pups were rarely obtained from from obtained rarely were pups

in cls This cells. giant the performance of performance the DBD either a heritable component component heritable a either β/δ - eiin progeny deficient PPARβ/δ

into thelabyrinthineinto zone.

β/δ no ex4 herein ,

embryos surviving the the surviving embryos ntne of instances frequently resulted in in resulted frequently

ex4 PPAR

. Heterozygote ). eerd o as to referred s

β/δ n severe a in function of of function

up to six to up ex8 perinatal perinatal between showed role . mice,

- This type type

14 of

Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by have Investigators also 85% and 100% with compared stage blastocyst two of harvest after after hours 48 as early as delay developmental hampered development embryo affected adversely postimplantation and implantation, preimplantation, fertilization, and placentation PPAR that evidence further stage of finding which factor inhibitory between relationship reciprocal a showed (2007) al. et Wang decidu and implantation subfamily of expression PDPK1 activation, Akt in and B) kinase PPARβ/δ the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : exhibit

ev a cl lnae sensor lineage cell as serve In fact, In ad integrin and )

depended implantation implantation that

I was erae ebync el rlfrto cmae wt wild with compared proliferation cell embryonic decreased -

PPARβ/δ mfa, mfa, - , all s novd in involved is - ,

pcfc nerto o mtra ad mroi PPAR embryonic and maternal of integration specific s

specifically

n 2% subsequently 28% and proposed that activation of PPARβ/δ of activation that proposed ignal at least partly least at

-

on phosphatidylinositol3 on of which areof which cell embryos, only 65% of PPARβ/δ of 65% only embryos, cell ACCEPTED MANUSCRIPTnon a - ikd iae (ILK) kinase linked 10.1016/j.plipres.2016.09.001 Comment citer cedocument: alization, and embryonic PPARβ/δ is PPARβ/δ embryonic and alization, ACCEPTED MANUSCRIPT t [79] ex4 ransducer - helix

β/δ

embryos Cmae wt wild with Compared .

3

is a molecular link that coord that link molecular a is - - phosphoinositide h dfeetain rcs. aenl PR/ i ciia to critical is PPARβ/δ Maternal process. differentiation the loop of associated with associated crucial to

a s wild nd

- can be lost lost be can helix (HLH) inhibitor of the myogenic basic HLH (bHLH) (bHLH) HLH basicmyogenic the of inhibitor (HLH) helix o iet rpols cl fts uig lcnain This placentation. during fates cell trophoblast direct to a - ctivator ye embryos type

uig h pemlnain stage preimplantation the during a successful I adto, PR/ caused PPARβ/δ addition, In . un - kinase (PI3K) and(PI3K)kinase der

harvest of harvest

prior to E9.5 at any stage any at E9.5 to prior o - high expression levels of two kinases involved involved kinases two of levels expression high dependent kinase 1 (PDK1 1 kinase dependent went f t - ranscription 3 (STAT3) 3 ranscription ye embr type respectively ,

pregnancy by an by acig or hatching ex4

two

inates implantation, decidualization, implantation, inates embryos ha embryos

crucial endogenous PPAR ligand, such as as such ligand, PPAR endogenous the the - o, PPARβ/δ yos, cell stage embryos. At 96 hours 96 At embryos. stage cell

Akt1 (also (also Akt1

PPAR [83]

for placentation. for [80] [79] had had .

d β/δ . β/δ PPARβ/δ .

reached or passed the the passed or reached , PPARβ/δ

ace completely hatched referred to as referredto

- including ovulation, including

signaling AKT and AKT ; also ;

an signaling ex4 n consequently and

- increase ye embryos. type embryos show show embryos referred to referred ex4 ex4

Moreover, pathways

leukemia provide embryos ablation

protein n the in

15 as s , ,

Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by might the of acids amino 60 last product gene by performed strategies PPAR underlying PPAR investigation. the toxicity developmental cells glycogen of lysis with associated degeneration Histopatho placenta. GW501516 agonist PPARβ/δ carriers gestational to transferred when rates manner concentration a in embryos cultured of implantation and development the enhanced by activation PPARβ/δ ap pharmacological biological processes in pro the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : sta activity glandin I2 (also known as pro as known (also I2 glandin β/δ β/δ not This role of PPARβ/δ in preimplantation and placentation clearly warrants further further warrants clearly placentation and preimplantation in PPARβ/δ of role This placentation, in PPARβ/δ of role beneficial a support approaches genetic Although [85 ex8

disruption in a congenic background. It has been proposed that the different disruption disruption different the that proposed been has It background. congenic a in disruption employed employed completely

– of PPARβ/δ duringof PPARβ/δ development.

hs differences these [81] 87]

[72 The reason for the stark contrast in the role of PPAR of role the in contrast stark the for reason The Barak et al. al. et Barak . Embryos preconditioned with L with preconditioned Embryos .

,73] and PPAR rahs ae yield have proaches , oial, snl oa amnsrto o G511 idcd cystic induced GW501516 of administration oral single a logically, may be responsible for these discrepancies. discrepancies. these for responsible be may

ACCEPTED MANUSCRIPT whereas the whereas abolish PPAR abolish . 10.1016/j.plipres.2016.09.001 embryos Comment citer cedocument:

ACCEPTED MANUSCRIPT T the hese results suggest that a transrepression mechanism may dominate dominate may mechanism transrepression a that suggest results hese (200 β/δ

LBD of LBD

ytei aoit L agonist synthetic

to pregnant rats resulted in malformation in resulted rats pregnant to ex4 ol require would 2 during ) and )

[72 approach employed approach

β/δ ,73] sta PPARβ/δ Nadra pre cyclin) activity ed

mice implantation andsubsequent implantation

varying

et al et

remain [81] oprtv aayi o tee w mdl of models two these of analysis comparative [84]

[79, and - - . 165041 or iloprost showed higher implantation implantation higher showed iloprost or 165041 165041

(2006), eliminated (2006), . In the latter approach, the limited deletion deletion limited the approach, latter the In .

86] or retinoic acid retinoic or outcomes could theoretically produce theoretically could s

[88] by Peters et al. (2000) dis (2000) al. et Peters by unclear . diitain of Administration or uepcel leading unexpectedly ,

lpot a tbe G2 analog PGI2 stable (a iloprost

,

t ifrn sae o gestation of stages different at and and determining themechanisms

D β/δ [17] suto o the of isruption nearly s stages of development.stages of

in placentation between between placentation in of ,

may be necessary for for necessary be may the endometrium and and endometrium the

the entire PPAR entire the the

rupted a hypomorph a oe selective more

o significant to - dependent dependent DBD only only as , ue β/δ the the 16

ic ) .

Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by inflammation of modulation the in PPARβ/δ of role pro effects inflammatory transiently related to infections microbial external against protection from range that purposes serve processes inflammatory These reactions. inflammatory several healing. support cannot that the of mechanisms protective site wound 5.1 repairtissue process. repair have We 5. independent laboratories the of PPAR of roles opposing review, this of sections subsequent in elaborated As diseases. neurological PPAR allele the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

- Inflammatory response during tissue repair tissue Inflammatory during response repairTissue inflammatory cytokine inflammatory

se β/δ β/δ [91]

that A cardinal feature of poor of feature cardinal A disorders such as such disorders

studies ex previously have been have . Below, we focus on recent findings related to related findings recent on focus we Below, . 8 elevated

retain mice [92]

. This can lead to unbalanced proteolytic activity, which overwhelms the the overwhelms which activity, proteolytic unbalanced to lead can This . ae been have

s may

oe prcpo functio aporeceptor some after

reported

ACCEPTED MANUSCRIPTthe reviewed [82, 10.1016/j.plipres.2016.09.001 Comment citer cedocument: be ACCEPTED MANUSCRIPT

[72 94] atherosclerosis and type 2 type and atherosclerosis adult mouse adult

applicable to applicable s

, including TNFα, IL TNFα, including , ,73] roughly concordant when using using when concordant roughly , .

PR ae centr are PPARs local tissue and leads to a to leads and tissue local particularly in particularly In comparison, PPARγ activation leads to leads activation PPARγ comparison, In .

ly involvement of all three PPARs in tissue injury and wound wound and injury tissue in PPARs three all of involvement

healing wounds is a persistent inflammatory response at the the at response inflammatory persistent a is wounds healing injury

tde o studies relation to relation and has been implicated been has and

al n - f [88 effectors 6 and nitric oxide nitric and 6

aiu iess sc as such diseases, various

diabetes – during wound repair repair wound during rmto of promotion 90] tumorigenesis dysfunctional Importantly, .

the n the in

[93] PPARβ/δ

specific . induction The expression of PPARα is PPARα of expression The

ahlgcl inflammation pathological (NO) ;

wound microenvironment wound

in the the in however, ex4 roles of PPARβ/δ in the in PPARβ/δ of roles

ihr PPAR either reduced productio reduced

mice is poorly understood. understood. poorly is [95]

n mdlto of modulation and promot tumorigenesis . derived the In contrast, the contrast, In conclu ion of ion β/δ by ex

sions anti

4 n two two

and and

17 or of - -

Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by manner regulated spatially and par and epithelialization), compos dehydration tissue ba epidermal effective and new a reconstruct injuries. skin repair has been 5.2 Skin repair inflammatory thewoundactivities closes as and heal healing wound of phases inflammatory of recruitment early the in important is PPARα While has crosstalk ( synthase lipopolysaccharide downregulate to reports other observations, these with agreement B of ligand the involves function macrophage of switching exists model current one However, the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : tially CL

(Figure Of all the Of all the ed -

t rpes h tasrpinl ciiis f pro of activities transcriptional the repress to 6 overlapping pattern via the production of cytokines and growth factors in a in factors growth and cytokines of production the via pattern overlapping particularly

iNOS f he mjr phases major three of

also been implicated in the maintenance of tissue homeostasis, particularly homeostasis, tissue of maintenance the in implicated been also

pn omto of formation Upon 2 immune cells to the wound bed, PPARβ/δ plays a crucial role in role crucial a plays PPARβ/δ bed, wound the to cells immune ) )

Ctnos on rpi i casfe a a high a as classified is repair wound Cutaneous . human n COX2 and - and mediated activation of PPARβ/δ and PPARβ/δ of activation mediated

ACCEPTED studied well MANUSCRIPT 10.1016/j.plipres.2016.09.001 xrclua mti ( matrix extracellular Comment citer cedocument: any opportunistic microbial infections microbial opportunistic any ACCEPTED MANUSCRIPT tissues tissues ,

i NF via in which in

[98]

in terms of thefunctions of s

; ctnos on, h piay ol f h bd i to is body the of goal primary the wound, cutaneous a -

from pro from nue pro induced this model this Te inflammat The . - – κB

inflammation the role of PPARβ/δ role of the

[96 ECM - ,97]

to anti to re ta cvr te on, hrb preventing thereby wound, the covers that rrier

suggests that that suggests have - Itrsigy PPAR Interestingly, . nlmaoy ee, including genes, inflammatory )

remodeling s . -

ion inflammator , suggested that PPARβ/δ agonists PPARβ/δ that suggested the cell

phase begins immediately after skin skin after immediately begins phase - inflammatory

subsequent promot subsequent

PPARβ/δ

has been studied rlfrto and proliferation [98 the role of PPARβ/δ PPARβ/δ of role the Tee he pae ocr in occur phases three These . ,99] y - roiy uvvl epne to response survival priority . This switching mechanism mechanism switching This . . Normal wound healing is healing wound Normal .

at various stages of tissue - eitd inflammatory mediated

genes ,

ion of ion skin skin

migration Fgr 1) (Figure reducing inducible involves tissue repairtissue

temporally the release release the are for the the for in these

skin. able able In . NO (re the 18 a -

Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by manner. temporal a in types cell different among the regulation healing migration ofkeratinocyte during wound production upregulate tissues shown have re for edge wound the pathways death the both modulating by apoptosis keratinocyte activities These (PTEN). 10 chromosome on deleted homologue tensin and phosphatase of expression the of downregulation PPARβ/δ of PDK1 and ILK of production SAPK/AP havecytokines,as TNFα, such injury, skin during cells inflammatory of influx the at epidermis injury, cutaneous upon However, adulthood. to the as declines epidermis interfollicular the in PPARβ/δ of ofinflammatoryblood clotting and cells. influx signals release injury the of vicinity the in vessels blood Damaged injury. the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

W subtype PPAR dominant the is PPARβ/δ [100] . This process This . ound repair involves epithelial involves repair ound - s

ptwy Consequently, pathway. 1

[100] the activity of NF activityof the that PPARβ/δ activation PPARβ/δ that I adto to addition In . - mediated

. This increased production production increased This . ACCEPTED MANUSCRIPT edges wound 10.1016/j.plipres.2016.09.001 Comment citer cedocument: -

ensures ACCEPTED MANUSCRIPT pteilzto to epithelialization

ciain I adto, PR/ atvto coordinate activation PPARβ/δ addition, In activation.

- (

κB, which κB, or or been ,

the recruitment of recruitment the lead and its PDPK1)

found to anti exerts PPARβ/δ o n nrae n K1 activation AKT1 in increase an to nuto of induction

- - leads mesenchymal interactions mesenchymal ppoi eff apoptotic , both ,

an anti an occur of MMP of be associated with associated be

- to increased matrix metalloproteinase matrix increased to PPARβ/δ PPARβ/δ ciaig iad ae produced are ligands activating

of in the human epidermis. In mice, the expression the mice, In epidermis. human the in

The signals that are communicated within the within communicated are that signals The

a - [82, which have have which apoptotic effect on keratinocytes in wound in keratinocytes on effect apoptotic the sufficient

- 9 was subsequently found to found subsequently was 9 PPARβ/δ 99] ects during wound healing, PPARβ/δ PPARβ/δ healing, wound during ects expression - expression is expression eetr n mitochondrial and receptor Furthermore, . animal

[101] quantity of viable keratinocytes at keratinocytes viable of quantity

been

P expression par

develops from develops

(Figure 2) level that require that reported to be direct targets targets direct be to reported β/δ rapidly

gene stimulation o pro of s n vivo in that

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by vascular the In effects. indirect and direct through vessels blood protect may activation diseases cardiovascular of progression and development the to leading rupture, dyslipidemia 6.1 its 6. administration beneficial this Interestingly, responsiveness. insulin restoring by ethanol of severity reducesthe attenuatedinsulin These end products bilirubin H against effect vasculoprotective to shown been GW501516 of presence appearance of of myofibroblasts, into transdifferentiation proliferation and activation the the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

role incardiovasculardisease Endothelial dysfunctionEndothelial PPAR Several reports have shown that shown have reports Several Perturbation of endothelial function due to conditions such as hypertension or or hypertension as such conditions to due function endothelial of Perturbation of result a as regeneration liver impair can consumption alcohol chronic liver, the In I homeostasis. endothelial maintaining in role a play to known also is PPARβ/δ and β/δ

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by protein G oxidase NADPH reduced antio levels, protein eNOS increased with associated were changes reduce activation ( (PKC) C kinase protein mitochondrial FA β (CPT 1 palmitoyltransferase carnitine upregulating bioavailability NO a through dysfunction endothelial cause Lipids genes. antioxidant ROS vascular of levels reduced high a fed mice aortaefrom in study recent more a oxidase NADPH 1 to contribute agonist PPARβ/δ of effects indirect and direct the Both disease. vascular of progression which of prevention the endothelium causes and phosphorylation, eNOS increased directly activation PPARβ/δ endothelium, the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : eNOS [127]

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by the FAO in involved genes of expression PPAR 2011) (2008, dysfun FAO of expression MHC in promoter chain heavy myosin hypertrophy. conditional the in decrease a with together decreased, [152] antioxidants, attenuated and oxidation glucose and lipid in reduction survival failure, heart congestive and hypertrophy cardiac dysfunction, cardiac by FAO, myocardial PPAR Cre/ 6.3 [29, anti the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : Cardiac disease - 35, iohnra DA oy number copy DNA mitochondrial loxP inflammatory effects in macrophages due to to due macrophages in effects inflammatory . In addition, expression of t of expression Inaddition, .  β/δ ction 148] Genes involved in FAO are transcriptional are FAO in involved Genes /δ

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ex4 eitd cardiomyocyte mediated upon tamoxifentissue administration ina . ; )

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contrasted with contrasted

progressive myocardial lipid accumulation. This is accompanied is This accumulation. lipid myocardial progressive constitutive expression of key FAO genes and decreases basal basal decreases and genes FAO key of expression constitutive he key mitochondrial biogenesi keymitochondrial he -

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by in healing cardiac on GW610742 of effects therapeutic potential the investigating While expression effect fibrosis early on that showed study alleviate upregulati and of attenuation ischemia induced and reduction levels was rats diabetic induced streptozotocin in cardiomyopathy Moreover, failure. heart of onset the at metabolism glucose from PPAR th of expression the in increase an provokes dysfunction. to contribute might activity or development of impeded and function cardiac improved heart adult the in PPARβ/δ of activation Moreover, the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : reduces s of GW610742 might not be be not might GW610742 of s reliance predominant a

β/δ [157] Given the important role important the Given

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ACCEPTED MANUSCRIPT nace myocardium infarcted

on t be to found

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by inflammation grade 7.1. Adiposetissue organs year the Over 7. PPAR drugs of functions on focused have CVD a over develop may CVD of disease. original the of complications onset after period considerable that established well is It disease. kidney as events infarction B factor growth derived in recruitment cell stem mesenchymal d 7 TGF and differentiation myofibroblast increased GW610742 observed was fibrosis or angiogenesis untreated GW610742 the in higher significantly were infarction myocardial after the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : y atr ycril infarction. myocardial after ays myocardial infarction, the authors showed that the degrees theauthors that ofangiogen showed myocardial infarction, targeting targeting

such as such and tissues As adipose tissue expands during obesity, there is an increase in chronic in increase an is there obesity, during expands tissue adipose As vessels, blood and heart the of disorders of group a are diseases Cardiovascular β rats rats [160] / δ

PPARβ/δ in insulin resistance insulin in and s

, at 1 week following myocardial infarction, myocardial following week 1 at hypertension, hypertension, PPARβ/δ. PPARβ/δ. . PPARβ/δ PPARβ/δ

. Its insuch organs. roles

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mainly due to greater macrophage infiltration and polarization towards the towards polarization and infiltration macrophage greater to due mainly ACCEPTED MANUSCRIPT

in CVD in 10.1016/j.plipres.2016.09.001 Comment citer cedocument: ACCEPTED MANUSCRIPT , stromal , the the has been has

relative heart att heart

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stroke W172 lo nrae bn marrow bone increased also GW610742 are t week 2 at -

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f the therapeutic potential of of potential therapeutic the

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by IRS degradationof (IRS) substrate receptor SOCS3 PPAR (SOCS)3 and phosphorylation STAT3 increased displayed mice gain weight to prone were tissue adipose white in metabolism th be might effects These in reduction HFD both to resistant accompanied these changes sensitivity. insulin of specific which on site binding (STAT6) 6 transcription of activator and transducer and al. et target drug potential a diabe and resistance insulin of development the in role pro the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

akr o te lentv anti alternative the of markers - , inflammatory M1 phenotype. This chronic inflammatory process is thought to play a major major a play to thought is process inflammatory chronic This phenotype. M1 inflammatory

o lse extent lesser a to (2008) β/δ rges alternative triggers oevr specific Moreover,

PPAR expression

protein levels levels protein ciain ih peet h atvto o SA3 n te usqet nrae in increase subsequent the and STAT3 of activation the prevent might activation

triglyceride accumul triglyceride demonstrated demonstrated β/δ ex4 - , 1

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- nue ad eeial peipsd obesity, predisposed genetically and induced 1 to the insulin receptor and by promoting promoting by and receptor insulin the to 1 IL

than

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4, induce induce 4,

mice showed increased showed mice overexpressi their their reover, adipose tissue inflammation and glucose intolerance were were intoleranceglucose and inflammation reover,tissue adipose activation . In a different study, the adipose tissue of PPAR of tissue adipose the study, different a In . dipose ation - ing nlmaoy 2 hntp, hc i blee t improve to believed is which phenotype, M2 inflammatory

that Th2 cytokines secreted by adipocytes, including IL including adipocytes, by secreted cytokines Th2 that

[164] wild

insulin insulin

tissue macrophage activation and insulin sensitivity. Kang Kang sensitivity. insulin and activation macrophage tissue in in PR/ expressi PPARβ/δ ise nlmain lipolysis inflammation, tissue adipocyte -

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[165] Consequently . β/δ

M1 markers and decreasedand markers M1 . PPAR . suppressor of cytokine of suppressor macrophage ex4 Tee idns sugg findings These .

knockout β/δ t he he the the PPARβ/δ PPARβ/δ the and insulin resistance resistance insulin and n association in

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[163] levels levels - 33 13 d a - , .

Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by for responsible are myocytes 7. metabolic alterations. PPAR reduced that suggest findings PPAR and findings These expression. SP reabsorption. sodium and (SGLT2) 2 cotransporter Adipose production. PPAR natriuresis enhancesand glucose tolerance Fabp4 with compared high PPAR specific diabetes. in unclear remains homeostasis glucose relationship and the intake sodium Furthermore, between debatable. remain reduction sodium of benefits potential the factor a 2(Nrf2), transcription be to shown the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : 2 - 1 Skeletal muscle - the salt diet (HSD, high sodium) sodium) high (HSD, diet salt bound to bound  β/δ Lipid sa dietary in reduction A /δ in perirenal fat fat perirenal in /δ kidney

s lower is exacerbated - induced insulin insulin induced

 the promoter of promoter the /δ knockout mice (Fabp4 mice knockout /δ ht links that

n obdy bs patients obese morbidly in -

ACCEPTED the suppressed adiponectin derived MANUSCRIPT - 10.1016/j.plipres.2016.09.001 Comment citer cedocument: PPAR ACCEPTED MANUSCRIPT

, which plays a crucial role in the regulation of renal glucose transport transport glucose renal of regulation the in role crucial a plays which , in fructose in Adiponectin reducedAdiponectin by

reveal oim intake sodium

increasing osmotic pressure, leading to an increase an to leading pressure, osmotic increasing  approximately 80% approximately resistance in skeletal muscle is of paramount interest interest paramount of is muscle skeletal in resistance

/δ the gene encoding gene the lt intake is recommended for many diabetic patients, patients, diabetic many for recommended is intake lt ex4

an interesting an reduced

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[167] fasting blood glucose level glucose blood fasting to xrsin n dps tsu mgt otiue to contribute might tissue adipose in expression

lcs homeostasis. glucose β/δ the levels of the of levels the

 t . mode of mode a i non in han /δ The

ex4 SGLT2 of reported toimpairinsulin ex4

knockout insulin ), HSD selectively elevated the expression of expression the selectivelyelevated HSD Zhao et al. et Zhao

communication between adipose tissue tissue adipose between communication

kidney kidney ( SLC5A2 - - bs subjects obese stimulated glucose uptake and thus thus and uptake glucose stimulated

mice via nuclear factor E2 factor nuclear via mice transcription factorstranscription xrsin f sodium of expression

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in wild in n adipocytes in

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by which ceramides, accumulated be to availability their reducing endogenous ligand PPAR hepatic diurnal PPAR that indicate liver the as such FA evidence This pyruvate the PPARβ/δ inhibits which (PDK4), 4 oxidation FA to leading complex, dehydrogenase kinase dehydrogenase pyruvate of expression s oxidation, mitochondrial (ACS); in involved FA in involved genes The type PPAR selective reduction a to leading metabolism, oxidative in circuit oxidative more muscle and FAs, of consumer important affect greatly the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : O rdcn te viaiiy f FA of availability the reducing , towards

[170] Altogether, these findings su Altogether, findings these appears c a hydroxyacyl as uch cellular . This .

muscle fibers muscle the

eel ta PAβδ n kltl uce rmts mtblc switch metabolic a promotes muscle skeletal in PPARβ/δ that reveals β/δ fibers utmtl prev ultimately ,

whole to be dependent on PGC dependenton be to

ex4 alteration of β/δ rmt ifamto ad nui rssac. hs PPAR This resistance. insulin and inflammation promote FA uptake, such as FAT/CD36; FA activation, such as acyl as such activation, FA FAT/CD36; as such uptake, FA

ACCEPTED MANUSCRIPT ablation in ablation β/δ PPARα PPARα

[169] 10.1016/j.plipres.2016.09.001 - Comment citer cedocument: FA FA eitd increase mediated - ACCEPTED MANUSCRIPT body

activity through the synthesis of the phosphatidylcholine 18:0/18:1 phosphatidylcholine the of synthesis the through activity

pae sc a criie amty taseae CT; n F β FA and (CPT); transferase palmitoyl carnitine as such uptake, metabolism with

poal truh an through probably , is accompanied by an increase in the expression of genes involved genes of expression the in increase an by accompanied is [174] rate of of rate -

CoA dehydrogenase. PPARβ/δ activation also upregulates the the upregulates also activation PPARβ/δ dehydrogenase. CoA skeletal muscle myocytes exhibit a shift in skeletal muscle skeletal in shift a exhibit myocytes muscle skeletal lower oxidative capacity, leading to obesity and T2DM and obesity to leading capacity, oxidative lower nig bst ad nui resistance insulin and obesity enting

. ggest PPAR that

glucose clearance glucose s

that are that o e cuuae i seea msl ad te tissues other and muscle skeletal in accumulated be to - specific PPAR specific s -

1α in

[172] skeletal muscle FA uptake uptake FA muscle skeletal upregulated by PPARβ/δ PPARβ/δ by upregulated in as [136,

body fat mass fat body , which itself is a PPARβ/δ target genetarget PPARβ/δ a is itself which , estrogen β/δ FA 169,

β/δ activation ofFAs, increases theoxidation [168] derivatives such as diacylglycerol or or diacylglycerol as such derivatives

172] overexpression results in a switch to switch a in results overexpression - eae rcpo γ (ERRγ)/miRNA γ receptor related . In addition, s addition, In . The increase in FAO caused FAO in increase The .

[169] . Conversely, mice with mice Conversely, .

[173] in vivo in are keletal muscle is an an is muscle keletal .

lo ope to coupled also eet findings Recent -

CoA synthase synthase CoA include genes include β/δ - mediated favoring

[171] [171] fiber , an ,

35 by - . .

Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by with Consistent quadriceps, in expressed highly levels lipid intramyocellular high by paralleled rats, control normoglycemic lean in than diabetes 2 was content containing fibers in content protein human in specific type fiber muscle is expression protein ADRP intracellular adipophilin target PPARβ/δ activity lipase lipoprotein reducing byoverload lipid against heart the protecting at aimed mechanism feedback stimulation β FA increased of states during lipolysis tissue adipose enhance to proposed secr ANGPTL4 muscle skeletal in increase lipo inhibiting genes several of expression the knockout the resistance insulin and inflammation induces that process a stress, ER induced in elevation the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : observed

mice

of cardiac of oxidative oxidative F or of increase in increase

As. ADRP is ADRP As. - protein lipase protein [177]

[

o 3 to

perilipin bs non obese 175] the ee s a is gene

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Moreover, PPARβ/δ acts as a FA sensor in skeletal muscle by regulating regulating by muscle skeletal in sensor FA a as acts PPARβ/δ Moreover, FA 10.1016/j.plipres.2016.09.001 Angptl4 Comment citer cedocument: ACCEPTED MANUSCRIPT vastus lateralis muscle, the largest and most powerful most and largest the muscle, lateralis vastus

2 osed role osed the levels of levels the , lpd droplet lipid a ), metabolism might explain explain might metabolism ioye differentiation dipocyte -

ibtc n oee ibtc ains n h fsig state fasting the in patients diabetic obese and diabetic involved in intram in involved [178]

,

xrsinb FA by expression including -

xdto, uh s atn ad exercise and fasting as such oxidation, and activ and of ADRP of

the

ER stress markers in the skeletal muscle skeletal the in markers stress ER most intramyocellular lipids. lipids. intramyocellular most Angptl4 ating lipolysis in adipose tissue tissue adipose in lipolysis ating -

to cue b FA by caused etion associated protein that binds to and sequesters sequesters and to binds that protein associated in , hydrolyzing

uscular lipid accumulation and T2DM and accumulation lipid uscular

ensur the in s and this elevation in ADRP protein levels protein ADRP in elevation this and

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diabetic animals diabetic [176 eae poen (ADRP protein related via PPARβ/δ has been considered part of a of part considered been has PPARβ/δ via progression of progression ing why ,177]

the

ligands of this receptor prevent lipid prevent receptor this of ligands plasma plasma

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T2DM ad as with rats, and s

[182] f FAs of The m The

to release FA release to . In hu In . , also , ADRP expression ADRP

uscle

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and s man

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highest

[183] of the the of β/δ . The . 181]

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36 ex4 as as is - . .

Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by of transition the understood, may which benign be can NAFLD ac lipid neutral excessive and persistent is NAFLD of hallmark considered is and disease 7. activation of PPAR hypothesis autocrine and endocrine ( 21 factor growth fibroblast of expression PPAR of effects o pattern muscle glucose T metabolism, FA muscle controlling of effects detrimental sequester to act upregulated the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : ransgenic 3

NASH Liver - Non enriched transcription factor myocyte enhancer factor 2 (MEF2) 2 factor enhancer myocyte factor transcription enriched oxid f changes induced by PPAR by induced changes f

cruaig G2 lvl ae nrae i hmn i rsos t pharmacological to response in humans in increased are levels FGF21 circulating , pathology. m - under alcoholic fatty liver disease (NAFLD) is the most common form of chronic liver liver chronic of form common most the is (NAFLD) disease liver fatty alcoholic result ation ice ice β/δ over FA

by skeletal muscles skeletal by circumstances of improved glucosetolerance. improved of circumstances β/δ n irss n/r cancer and/or fibrosis in on fructose on s

ACCEPTED MANUSCRIPTexpressingPPAR

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ACCEPTED MANUSCRIPT but it predisposes it but from effects TGs s o be to

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,

β/δ h da PPAR dual the PPARβ/δ through β/δ

to activity resembles that following exercise. following that resembles

specifically in muscle specificallyin NASH is considered a criticalconsidereda is NASH individuals

Fgf21 [188] the

is n guoe tolerance. glucose and

novd n lcs mtbls i muscles. in metabolism glucose in involved cooperation Wie the While . )

α/ [185]

 to non to

gns Srgiaa (Lipaglyn) agonist a omn wt a ie ag of range wide a with hormone a , - alcoholic steatohepatitis (NASH) steatohepatitis alcoholic of

The u The etiolog exhibited increased capacityincreased exhibited cumulation within hepatocytes. within cumulation AMP kinase (AMPK) and the the and (AMPK) kinase AMP pregulation of ADRP may may ADRP of pregulation of y

[184] point point lal, i Clearly,

Additional protective Additional NASH . Interestingly, this . in the progressionin the skeletal muscle muscle skeletal adto to addition n

is not well well not is [187]

[189] The . for for 37 , ,

Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by reported article exogenous to response in regulation gene coordinating in involved Interestingly,SREBP LXRare regulated byand ChREBP signal ge of transcription (glucose)the coordinate nutritional and (insulin) hormonal integrate to appear in transcriptional feeding which by mechanism in active membranes unsaturated NASH effect beneficial the for responsible be may acti the modulate to PPARβ/δ of ability chylomicrons, in accumulate that () GFT505 pre trials clinical T with patients in which the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : hs rcs. mn the Among process. this - clinical clinical

. for India in launched was

Lipogenesis is an enzymatic pathway that allows the cell to cell the allows that pathway enzymatic an is Lipogenesis

murine [190] or FA evaluating

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ht PR/ sprse lpgnss y euig SREBP reducing by lipogenesis suppresses PPARβ/δ that liver 2DM n clinical and w rdc lipid produce . Numerous transcription factors have been shown to shown been have factors transcription Numerous . ih a b ue to used be can hich

- ACCEPTED MANUSCRIPT soito with association

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lipogenesis and/or lipogenesis tissue tissue ACCEPTED MANUSCRIPT not controll not

[198] t efc i aut AH patients. NASH adult in effect its e rncito factors transcription se fe feeding after , ChREBP , [191] - the treatment of treatment the dependent nes encoding lipogenic enzymes. Importantly, both SREBP both Importantly, enzymes. lipogenic encoding nes euae te ciiy f ioei ezms s largely is enzymes lipogenic of activity the regulates

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tde ha studies

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vity of vity by statins by , [199]

a nuclear receptor that is activated by oxysterols thatis receptor a nuclear decreased

replace s but signaling

of PPARβ/δ activation in activation PPARβ/δ of , LXR ,

s components components

s erse i rsos t fasting to response in repressed is hypertriglyceridemia and diabetic dyslipidemia dyslipidemia diabetic and hypertriglyceridemia ihihe te oeta o te dual the of potential the highlighted , is now also now is , bt SREBP both , TG

lipid lipid [200

molecules

nry stores energy ,201] degradation nt fo icesd pae from uptake increased from inate utemr, eet vdne from evidence recent Furthermore, important

and PPARβ/δ and under examination examination under . - 1c e novo De produce FA

[196]

to , [192 s

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relation to relation (Figure 5) (Figure play a significant role role significant a play

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generate saturated and mono and saturated n ChREBP and ioeei i very is lipogenesis

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NAFLD

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in Phase III Phase in In fact In lipid levels [194] - agonist -

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. Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by from control lipogenesi of control circadian provide hepatocytes in PPARβ/δ lacking specifically report recent and unique one Finally, lipotoxicity. signaling formation activation hepatic liver mediated enhancing the and glycolysis increasing by production GW501516 [204 tr longer whereas treatment, of PPAR promote sensitivity insulin high a fed mice cleavage SREBP (Insig) gene induced SREBP reduces PPARβ/δ which by ameliorat consequently the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : ,205] hepatocyt β / δ by e novo de Tee idns ugs that suggest findings These .

e novo de .

agonist has been reported to be strictly time strictly be to reported been has agonist

has been shown to shown been has f auae Fs laig to leading FAs, saturated of ioeei i te liver the in lipogenesis - PR/ sgiiaty nlecs whole influences significantly PPARβ/δ C treated omparison - e - etitd PR/ atvto confirmed activation PPARβ/δ restricted fat diet and treated with GW501516 showed reduced lipogenesis and lipogenesis reduced showed GW501516 with treated and diet fat s -

activating protein (SCAP)/SREBP complex complex (SCAP)/SREBP protein activating

lipogenesis euae te rdcin of production the regulates lipogenesis. [204] db/db ACCEPTED MANUSCRIPT - 1 protein, which protein, 1 10.1016/j.plipres.2016.09.001 ing Comment citer cedocument: ACCEPTED MANUSCRIPT s .

oee, several However, f h gn epeso poie o liver of profiles expression gene the of hepatic steatosis in obese diabetic diabetic obese in steatosis hepatic

ie ugs ta PAβδ ciain eue hptc glucose hepatic reduces activation PPARβ/δ that suggest mice

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nitiate tumor 235] s

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by results explain or status inflammatory as such other influence might conditions housing animal discrepan the for adenoma that evidence considerable is in mice impact specific background genetic differences other while background, genetic mixed a development of background have failed cancer development. marker better a be could genes target its of antibodies considered Grimaldi and Neels by extensively the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by that stimuli proliferative and TPA agent nonmutagenic the of applications weekly 20 by (DMBA/TPA), of application two a and radiation UVB development keratinocytes affects predominantly particular, sun the from radiation (UV) ultraviolet to exposure chronic and/or excessive with associated and burden personal NMSC Although derive 8.2 background PPARβ of models genetic require and specific studies data epidemiological and clinical by supported proto the as such influence diets and facilities animal between the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : PPARβ/ d

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by and TGFβ1 involving cascade molecular dependent UV in involved be to reported development tumor of component originating pro the increasing mutations genetic with concert in of process the pro cancers and known ovarian relationship PPAR tumors meta a Furthermore, SCC. human in initiation samples PPAR tra mesenchymal progression and keratosis actinic sensitize PPARβ/δ model, EGFR/Erk1/2 the upregulating PPAR and methodologica the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : - carcinogenic role carcinogenic β β , including human SCC, revealed a positive interaction between interaction positive a revealed SCC, human including , / / - δ δ tumorigenic tumorigenic from human skin human from

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skin carcinoma, which has been defined as a PPARβ/δ target gene target PPARβ/δ a as defined been has which carcinoma, skin both a a both tumor - tumorigenic tumorigenic [277]

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by expression, PPAR activated GW0742 amide neuroprotective ligand on dependent GW0 Conversely, functions. of administration that may and (SCI) gene demonstrated of role in responses inflammatory brain the in MCAO as well as injury. hypothalamic wild with and doubled was damage support the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : s 7 , such as 2 n motor on 42 that Apoptosis in neurons and oligodendrocytes and neurons in Apoptosis for a for PPAR

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by IFN blocking by mice C57BL/6 of findings to contrast In conditions. inflammatory chronic and autoimmune other as well as EAE in (IL)interleukin secrete that cells CD4(+)T inflammation thought previously were cells (Th1) self for specific cells T that evidence s numerous because interesting IL and activation GW0742, by affected progression. lesions cortical new of appearance A immunization. symptoms clinical attenuated modestly on MS. encephalitogenic (EAE) encephalomyelitis autoimmune Experimental However damaged. permanently become or deteriorate to themselves deficiencies nerve covers that myelin the attacks system immune the MS, the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

lncl outcome clinical

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although

brain and the and brain (2005) yln lgdnrct glycoprotein oligodendrocyte myelin euto in reduction . Polak et al et Polak Oral administration of GW07 of administration Oral ) is a potentially disabling disease of the brain and spinal cord. In cord. spinal and brain the of disease disabling potentially a is ) tudies using this animal model animal this using tudies - two , γ and IL and γ

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by [ protein precursor peptide of symptoms subsequent the and brain the in neurons of degradation the to contribute to thought is tangles neurofibrillary multiple cognitive by characterized Alzheimer as such diseases, neurological 9.2 attenuating neuro repair anti and inflammatory by EAE cells during PPARβ/δ damage. axon and myelin [286] and weakness hindlimb PPARβ/δ polarization Th17 and Th1 of inhibition with associated [286, the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : Function

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by cytokines reactive (GFAP) protein Aβ in involved with increased for AD associated their and proteins Aβ of actions the by inhibited is proteasome the by tau hyperphosphorylated twisted insoluble, of accumulation the to leads and transport axonal regulating in function normal its microtubule the of phosphorylation patients within and/or BBB the at activity RAGE regulating Thus, flow. blood cerebral reduced and responses inflammatory stress, oxidative to leads BBB the at peptides a In eliminated. AD in generation rate apparent by initiated type large the of plaque toxic, the of production increasing the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : dvanced PPARβ/δ [295,

fibers across the blood the across [296 astrogliosis g that lycation lycation the the 298] - – limiting

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by with in non and death termed nigra substantia The system. motor stress andimprovingoxidative and learning memory. the by acetyltrans choline increased and binding and learning, and hypothalamus the preserving agonist curable and preventable deterioration brain overall impaired size, brain diminished tangles,neurofibrillary deposits, and insulin of brain the depletes whic of of disease the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

dopaminergic neurons dopaminergic insulin

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Parkinson's disease (PD) is a degenerative disorder of the CNS CNS the of disorder degenerative a is (PD) disease Parkinson's PD PD in PD PD in

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by induce to pathway nigrostriatal the of parts different Particularly, in PPAR PPAR increase in decrease of destruction mediated 6 of injection infusion MPTP the reduced GW0742 protected not compared treatment model, that molecules toxic radicals, freeof buildup the causes anddeath cell to leadswhich metabolism, mitochondrial of component dopamine 1 cation toxic a produces neurons B oxidase monoamine by oxidation its but toxic, not is itself primates. features clinical and pathological biochemical, the of most induces narcotic the of analog (MPTP) the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI :

the involvement of involvement the   /δ and /δ the s

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by pharmacolog HD recapitulated that alterations transcriptional and abnormalities mitochondrial neurodegeneration, dysfunction, motor induce to sufficient with compared a and size brain adult reduced markedly a in results mice in protein dominant the of expression specific and dysfunction mitochondrial of role neuroprotective a with repressesHTT mutant and protein, HTT the Notably, protein. HTT the in tract polyglutamine a encodes which gene, (HTT) huntingtin the in expansion repeat trinucleotide CAG a by caused is HD pro of breakdown the causes that disorder neurodegenerative dominant autosomal an is HD (HD). PPAR of effects inflammatory interaction ligand a as of PD of stages late and early the of compacta pars nigra is which the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : PPAR DA depletion and behavioral defi behavioral and depletion DA subregions of the caudate the of subregions To date To  a /δ in thedevelopment/δ in andprogressionof PD

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Version postprint Tan, N. S.(Auteurde correspondance), Vázquez-Carrera, M.,Montagner, A.,Sng, M.K.,Guillou, H., Wahli, W.(2016).Transcriptional control ofphysiological andpathological processes by Economía y Competitividad. the of initiative an is CIBERDEM Bonizzi Clinic EUMORPHIA the Program, Science Frontier Human Medicine received WW Diabète. du Francophone of and R] Competitividad y Economía Health of MinistrySingapore ( Education of 2 Tier Council Research Academic the (SRG/14003), Grant Research organizations the from grants by supported was review this in described laboratories authors’ the in research Acknowledgements the nuclear receptor PPAR beta/delta. Progress inLipid Research, 64, 98-122. DOI : AM and HG HG and AM ,

CIBER de Diabetes y Enfermedades Metabólicas Asociadas Metabólicas Enfermedades y Diabetes de CIBER Eeswari thank authors The - OND, h Rgo Midi Région the TORNADO, Theler ,

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Paramalingam ), and the National Medical Research Council Council Research Medical National the and ), nttt d Sld als I (ISCIII) III Carlos Salud de Instituto - yéés Car dEclec Per d Fermat) de Pierre d’Excellence (Chaire Pyrénées a Start a

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disease through inhibition of inflammation, J. Neuroinflamm.disease ofinflammation, 12(2015) J. through inhibition 7. nucl L. Donovan,Landreth, L.J. T. Malm,G.E. M.Mariani,Activation Neilson, of the Biophys. 1241 (2013) Acta 1832 increasedand ofPPARβ/δ BACE1 RAGElevels thecortex in L.Pallàs, Wahl Michalik, W. Rodríguez,M. Anglada Gutiérrez, P. delE. Barroso,L. Valle, J. D.Porquet,Santos, A.M.Vieira Salvadó, R.Rodríguez Alzheimer Res.431 6(2009) and brain a inflammationin transgenic ofAlz mouse model Kalinin,Richardson,S. J. D. Feinstein, burden agonist reduces APPARdelta amyloid of disease, 36(2016) RAGE Neurobiol. inAlzheimer’s Mol. 483 Cell. Z.B.Zhou,Liu, Qin,Y. Wang, Cai,N. M.Xiao, C. Front. Neurosci. 10(2016) Khan,S.S. G.S.Bloom, Tau: Alzheimer's in disease, the center of nexus a signaling Investig. 672 10 (2009) Drugs RAGE inamyloid Bell, B.A.M. Schmidt, Selmer, J.M. Sahagan,R.B.R.Rothlein, The Nelson,J. role of (2016). frompotential limitations theperspective Brain model ofanimal studies, Bull. Res. M. Ohno,Alzheimer’s therapy theβ targeting ear neuroprotectivereceptor is a PPARδ Alzheimer’s transgenic modelof in mouse ACCEPTED MANUSCRIPT 10.1016/j.plipres.2016.09.001 Comment citer cedocument: ACCEPTED MANUSCRIPT - beta peptide beta

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drugand Foren. serendipity, Sci. 33 J. H.L. 1 Weingarten, 167 Alzheimers Dis. 9(2006) dysfunction often occur progressearly severityand with Alzheimer's disease, of J. de stressS.M. laMonte,Wands, J.R. of andmitoc oxidative Molecular indices (2016) 123 remedialcandidatefor drug Alzheimers thetreatment ofAlzheimer’s J. disease, Dis.51 M. Tong, C.Deoch AlzheimersJ. Dis.6(2016) Parkinsonism 238. with asmallmolecule nuclearreceptor agonist (T3D M. Tong, Targeting C.Dominguez, Alzheimer's neuro disease AlzheimersDis.disease, (20 10 J. rescue experimental neurodegenerationtype in 3 diabetes: of relevanceAlzheimer's to deS.M. laMonte, M.Tong,Lester N. Biochem. Cell. symptoms,J. 116(2015) 844 and γinaPPARβ/δ rat model ofParkinson'sinvolvement inPD possible disease: Cimini, A. Giordano, A. Ippoliti, R. Alecci, M. Massimi, M. Fidoamore, A. Antonosante, Falcone,R. Florio,L. E.D.Giacomo, T.MarilenaE.Benedetti, A. Cristiano, reviewed,Technol. Diabet. 2(2008) Sci. 1101 J. deS.M. laMonte,Wands, J.R. Alzheimer's istype disease 3diabetes AlzheimersDis.disease, 9(2006) 13 J. Intracerebra LesterN. - Coll, E.J. Rivera, S.J. Soscia, K. Doiron, J.R. Soscia,de K.Doiron, la S.M. Wands, Rivera,J.R. S.J. E.J. Monte, Coll, – l streptozotocin modelof typel streptozotocin relevanceAlzheimer's 3diabetes: tosporadic 138. ACCEPTED MANUSCRIPT 10.1016/j.plipres.2016.09.001 Comment citer cedocument: ACCEPTED MANUSCRIPT

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therape Huntington's disease, isrequiredfor neuronalfunction and normal be can targeted LaMagnuson, E.Masliah,Spada, A.R. PPAR Pinkerton, A.B. Akimov,T.Gaasterland,Lazarowski,S.S. E.R. Yeo, G.W. Ross, B.L.Sopher, G.K. C.A. Lomas,Buttgereit, K.R. Sampat, A. M. Liu,A.S. Dickey, H.C. Miranda, T.Tsunemi, V.V.P.P. Gilmore S.K. Pineda, 303 evaluat Prickaerts, Deumens,R. A. J. Modeling Blokland, an Parkinson's inrats: disease Parkinson’s disease, 240(2013) Neuroscience 191 neuroprotection inthe 1 Teismann, Aperoxisomeproliferator H.L. Nelson, Evans,K. Sathe,M.C. R.B.Mustafa,R.M. P. S. Mounsey, Martin, Wilkins Neurochemistry:Lippincott Aspects, Cellular Williams& and Medical Molecular, Siegel,G.J. Albers, B.W.Agranoff,M.D S.K.Fisher, R.W. Sian, Riederer, M.Youdim,P. J. M.Gerlach, MPTP disease,141 (2007) Nat. Protoc.2 V. Jackson Annu. Rev. Neurosci. 11(1988) 81 toxicity: Markey,MPTP I.J. Kopin, S.P. for implications research inParkinson'sdisease, Davie,C.A. AParkinson'sMed. reviewBull. of 86(2008) Br. disease, 109 – 317. ion of6 utically, Nat. Med. 22(2016) 37 utically, Med. Nat. , Philadelphia,

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