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Deregulated Gene Expression Pathways in Myelodysplastic Syndrome Hematopoietic Stem Cells
Leukemia (2010) 24, 756–764 & 2010 Macmillan Publishers Limited All rights reserved 0887-6924/10 $32.00 www.nature.com/leu ORIGINAL ARTICLE Deregulated gene expression pathways in myelodysplastic syndrome hematopoietic stem cells A Pellagatti1, M Cazzola2, A Giagounidis3, J Perry1, L Malcovati2, MG Della Porta2,MJa¨dersten4, S Killick5, A Verma6, CJ Norbury7, E Hellstro¨m-Lindberg4, JS Wainscoat1 and J Boultwood1 1LRF Molecular Haematology Unit, NDCLS, John Radcliffe Hospital, Oxford, UK; 2Department of Hematology Oncology, University of Pavia Medical School, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy; 3Medizinische Klinik II, St Johannes Hospital, Duisburg, Germany; 4Division of Hematology, Department of Medicine, Karolinska Institutet, Stockholm, Sweden; 5Department of Haematology, Royal Bournemouth Hospital, Bournemouth, UK; 6Albert Einstein College of Medicine, Bronx, NY, USA and 7Sir William Dunn School of Pathology, University of Oxford, Oxford, UK To gain insight into the molecular pathogenesis of the the World Health Organization.6,7 Patients with refractory myelodysplastic syndromes (MDS), we performed global gene anemia (RA) with or without ringed sideroblasts, according to expression profiling and pathway analysis on the hemato- poietic stem cells (HSC) of 183 MDS patients as compared with the the French–American–British classification, were subdivided HSC of 17 healthy controls. The most significantly deregulated based on the presence or absence of multilineage dysplasia. In pathways in MDS include interferon signaling, thrombopoietin addition, patients with RA with excess blasts (RAEB) were signaling and the Wnt pathways. Among the most signifi- subdivided into two categories, RAEB1 and RAEB2, based on the cantly deregulated gene pathways in early MDS are immuno- percentage of bone marrow blasts. -
Supplemental Information to Mammadova-Bach Et Al., “Laminin Α1 Orchestrates VEGFA Functions in the Ecosystem of Colorectal Carcinogenesis”
Supplemental information to Mammadova-Bach et al., “Laminin α1 orchestrates VEGFA functions in the ecosystem of colorectal carcinogenesis” Supplemental material and methods Cloning of the villin-LMα1 vector The plasmid pBS-villin-promoter containing the 3.5 Kb of the murine villin promoter, the first non coding exon, 5.5 kb of the first intron and 15 nucleotides of the second villin exon, was generated by S. Robine (Institut Curie, Paris, France). The EcoRI site in the multi cloning site was destroyed by fill in ligation with T4 polymerase according to the manufacturer`s instructions (New England Biolabs, Ozyme, Saint Quentin en Yvelines, France). Site directed mutagenesis (GeneEditor in vitro Site-Directed Mutagenesis system, Promega, Charbonnières-les-Bains, France) was then used to introduce a BsiWI site before the start codon of the villin coding sequence using the 5’ phosphorylated primer: 5’CCTTCTCCTCTAGGCTCGCGTACGATGACGTCGGACTTGCGG3’. A double strand annealed oligonucleotide, 5’GGCCGGACGCGTGAATTCGTCGACGC3’ and 5’GGCCGCGTCGACGAATTCACGC GTCC3’ containing restriction site for MluI, EcoRI and SalI were inserted in the NotI site (present in the multi cloning site), generating the plasmid pBS-villin-promoter-MES. The SV40 polyA region of the pEGFP plasmid (Clontech, Ozyme, Saint Quentin Yvelines, France) was amplified by PCR using primers 5’GGCGCCTCTAGATCATAATCAGCCATA3’ and 5’GGCGCCCTTAAGATACATTGATGAGTT3’ before subcloning into the pGEMTeasy vector (Promega, Charbonnières-les-Bains, France). After EcoRI digestion, the SV40 polyA fragment was purified with the NucleoSpin Extract II kit (Machery-Nagel, Hoerdt, France) and then subcloned into the EcoRI site of the plasmid pBS-villin-promoter-MES. Site directed mutagenesis was used to introduce a BsiWI site (5’ phosphorylated AGCGCAGGGAGCGGCGGCCGTACGATGCGCGGCAGCGGCACG3’) before the initiation codon and a MluI site (5’ phosphorylated 1 CCCGGGCCTGAGCCCTAAACGCGTGCCAGCCTCTGCCCTTGG3’) after the stop codon in the full length cDNA coding for the mouse LMα1 in the pCIS vector (kindly provided by P. -
Gene Symbol Gene Description ACVR1B Activin a Receptor, Type IB
Table S1. Kinase clones included in human kinase cDNA library for yeast two-hybrid screening Gene Symbol Gene Description ACVR1B activin A receptor, type IB ADCK2 aarF domain containing kinase 2 ADCK4 aarF domain containing kinase 4 AGK multiple substrate lipid kinase;MULK AK1 adenylate kinase 1 AK3 adenylate kinase 3 like 1 AK3L1 adenylate kinase 3 ALDH18A1 aldehyde dehydrogenase 18 family, member A1;ALDH18A1 ALK anaplastic lymphoma kinase (Ki-1) ALPK1 alpha-kinase 1 ALPK2 alpha-kinase 2 AMHR2 anti-Mullerian hormone receptor, type II ARAF v-raf murine sarcoma 3611 viral oncogene homolog 1 ARSG arylsulfatase G;ARSG AURKB aurora kinase B AURKC aurora kinase C BCKDK branched chain alpha-ketoacid dehydrogenase kinase BMPR1A bone morphogenetic protein receptor, type IA BMPR2 bone morphogenetic protein receptor, type II (serine/threonine kinase) BRAF v-raf murine sarcoma viral oncogene homolog B1 BRD3 bromodomain containing 3 BRD4 bromodomain containing 4 BTK Bruton agammaglobulinemia tyrosine kinase BUB1 BUB1 budding uninhibited by benzimidazoles 1 homolog (yeast) BUB1B BUB1 budding uninhibited by benzimidazoles 1 homolog beta (yeast) C9orf98 chromosome 9 open reading frame 98;C9orf98 CABC1 chaperone, ABC1 activity of bc1 complex like (S. pombe) CALM1 calmodulin 1 (phosphorylase kinase, delta) CALM2 calmodulin 2 (phosphorylase kinase, delta) CALM3 calmodulin 3 (phosphorylase kinase, delta) CAMK1 calcium/calmodulin-dependent protein kinase I CAMK2A calcium/calmodulin-dependent protein kinase (CaM kinase) II alpha CAMK2B calcium/calmodulin-dependent -
Recombinant MAP2K2 Protein
Recombinant MAP2K2 protein Catalog No: 81332, 81632 Quantity: 20, 1000 µg Expressed In: Baculovirus Concentration: 0.3 µg/µl Source: Human Buffer Contents: Recombinant MAP2K2 protein is supplied in 25 mM HEPES-NaOH pH 7.5, 300 mM NaCl, 10% glycerol, 0.04% Triton X-100, and 0.5 mM TCEP. Background: MAP2K2 (Mitogen-Activated Protein Kinase Kinase Kinase 2) is a dual specificity protein kinase that belongs to the MAP kinase kinase family. This kinase plays a critical role in mitogen growth factor signal transduction. It phosphorylates and activates MAPK1/ERK2 and MAPK2/ERK3. The activation of this kinase itself is dependent on the Ser/Thr phosphorylation by MAP kinase kinase kinases. Mutations in this gene cause cardiofaciocutaneous syndrome (CFC syndrome), a disease characterized by heart defects, cognitive disability, and distinctive facial features similar to those found in Noonan syndrome. Protein Details: Recombinant MAP2K2 protein was expressed in baculovirus expression system as the full length protein (accession number NP_109587.1) with a N-terminal FLAG Tag. The molecular weight of the protein is 45.7 kDa. Application Notes: This product was manufactured as described in Protein Details. Where possible, Active Motif has developed functional or activity assays for Recombinant MAP2K2 protein gel recombinant proteins. Additional characterization such as enzyme kinetic activity 10% SDS-PAGE with Coomassie blue assays, inhibitor screening or other biological activity assays may not have been staining MW: 45.7 kDa performed for every product. All available data for a given product is shown on the lot- Purity: >90% specific Technical Data Sheet. Storage and Guarantee: Recombinant proteins in solution are temperature sensitive and must be stored at -80°C to prevent degradation. -
SPATA33 Localizes Calcineurin to the Mitochondria and Regulates Sperm Motility in Mice
SPATA33 localizes calcineurin to the mitochondria and regulates sperm motility in mice Haruhiko Miyataa, Seiya Ouraa,b, Akane Morohoshia,c, Keisuke Shimadaa, Daisuke Mashikoa,1, Yuki Oyamaa,b, Yuki Kanedaa,b, Takafumi Matsumuraa,2, Ferheen Abbasia,3, and Masahito Ikawaa,b,c,d,4 aResearch Institute for Microbial Diseases, Osaka University, Osaka 5650871, Japan; bGraduate School of Pharmaceutical Sciences, Osaka University, Osaka 5650871, Japan; cGraduate School of Medicine, Osaka University, Osaka 5650871, Japan; and dThe Institute of Medical Science, The University of Tokyo, Tokyo 1088639, Japan Edited by Mariana F. Wolfner, Cornell University, Ithaca, NY, and approved July 27, 2021 (received for review April 8, 2021) Calcineurin is a calcium-dependent phosphatase that plays roles in calcineurin can be a target for reversible and rapidly acting male a variety of biological processes including immune responses. In sper- contraceptives (5). However, it is challenging to develop molecules matozoa, there is a testis-enriched calcineurin composed of PPP3CC and that specifically inhibit sperm calcineurin and not somatic calci- PPP3R2 (sperm calcineurin) that is essential for sperm motility and male neurin because of sequence similarities (82% amino acid identity fertility. Because sperm calcineurin has been proposed as a target for between human PPP3CA and PPP3CC and 85% amino acid reversible male contraceptives, identifying proteins that interact with identity between human PPP3R1 and PPP3R2). Therefore, identi- sperm calcineurin widens the choice for developing specific inhibitors. fying proteins that interact with sperm calcineurin widens the choice Here, by screening the calcineurin-interacting PxIxIT consensus motif of inhibitors that target the sperm calcineurin pathway. in silico and analyzing the function of candidate proteins through the The PxIxIT motif is a conserved sequence found in generation of gene-modified mice, we discovered that SPATA33 inter- calcineurin-binding proteins (8, 9). -
Single Nucleotide Polymorphisms Within Calcineurin-Encoding Genes
Annals of Applied Sport Science, vol. 4, no. 2, pp. 01-08, Summer 2016 DOI: 10.18869/acadpub.aassjournal.4.2.1 Original Article www.aassjournal.com www.AESAsport.com ISSN (Online): 2322 – 4479 Received: 06/03/2016 ISSN (Print): 2476–4981 Accepted: 26/06/2016 Single Nucleotide Polymorphisms within Calcineurin-Encoding Genes are Associated with Response to Aerobic Training in Han Chinese Males 1Rong-mei Xu, 2Tao Lu, 2Lingxian Yan, 1Qinghua Song* 1The Center of Physical Health, Henan Polytechnic University, Jiaozuo 454000, Henan Province, China. 2 The Lab of Human Body Science, Henan Polytechnic University, Jiaozuo 454000, Henan Province, China. ABSTRACT Calcineurin, which functions in calcium signaling, is expressed in skeletal and cardiac muscle and has been linked to sensitivity to muscle strength training. It is also proposed to contribute to individual aerobic endurance. To investigate the relationship between calcineurin-encoding genes and aerobic endurance traits, 126 young-adult Han Chinese males were enrolled in an aerobic exercise training study. Participants were genotyped for polymorphisms within the 5 genes (PPP3CA, PPP3CB, PPP3CC, PPP3R1 and PPP3R2) encoding calcineurin using restriction fragment length polymorphism polymerase chain reaction (PCR-RFLP) or matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS). Participants underwent 18 weeks of aerobic exercise training (running). Before and after the training period, maximal oxygen uptake (VO2max) and 12 km/h running economy were measured. Statistical analyses were performed using chi-square test and analysis of variance. The baseline value of VO2max was significantly associated with rs3804423 and rs2850965 loci in the PPP3CA gene (P<0.05). -
Biochemical Society Focused Meetings Proteases A
ORE Open Research Exeter TITLE Proteases and caspase-like activity in the yeast Saccharomyces cerevisiae. AUTHORS Wilkinson, D; Ramsdale, M JOURNAL Biochemical Society Transactions DEPOSITED IN ORE 18 November 2013 This version available at http://hdl.handle.net/10871/13957 COPYRIGHT AND REUSE Open Research Exeter makes this work available in accordance with publisher policies. A NOTE ON VERSIONS The version presented here may differ from the published version. If citing, you are advised to consult the published version for pagination, volume/issue and date of publication Biochemical Society Transactions (2011) XX, (XX-XX) (Printed in Great Britain) Biochemical Society Focused Meetings Proteases and caspase-like activity in the yeast Saccharomyces cerevisiae Derek Wilkinson and Mark Ramsdale1 Biosciences, University of Exeter, Geoffrey Pope Building, Stocker Road, Exeter, EX4 4QD Key words: Programmed cell death, apoptosis, necrosis, proteases, caspases, Saccharomyces cerevisiae. Abbreviations used: PCD, programmed cell death; ROS, reactive oxygen species; GAPDH, glyceraldehyde-3-phosphate dehydrogenase; ER, endoplasmic reticulum; MS, mass spectrometry. 1email [email protected] Abstract A variety of proteases have been implicated in yeast PCD including the metacaspase, Mca1 and the separase Esp1, the HtrA-like serine protease Nma111, the cathepsin-like serine carboxypeptideases and a range of vacuolar proteases. Proteasomal activity is also shown to have an important role in determining cell fate, with both pro- and anti-apoptotic roles. Caspase-3, -6- and -8 like activities are detected upon stimulation of yeast PCD, but not all of this activity is associated with Mca1, implicating other proteases with caspase-like activity in the yeast cell death response. -
Map2k1 and Map2k2 Genes Contribute to the Normal Development of Syncytiotrophoblasts During Placentation
RESEARCH ARTICLE 1363 Development 136, 1363-1374 (2009) doi:10.1242/dev.031872 Map2k1 and Map2k2 genes contribute to the normal development of syncytiotrophoblasts during placentation Valérie Nadeau*, Stéphanie Guillemette*, Louis-François Bélanger, Olivier Jacob, Sophie Roy and Jean Charron† The mammalian genome contains two ERK/MAP kinase kinase genes, Map2k1 and Map2k2, which encode dual-specificity kinases responsible for ERK/MAP kinase activation. In the mouse, loss of Map2k1 function causes embryonic lethality, whereas Map2k2 mutants survive with a normal lifespan, suggesting that Map2k1 masks the phenotype due to the Map2k2 mutation. To uncover the specific function of MAP2K2 and the threshold requirement of MAP2K proteins during embryo formation, we have successively ablated the Map2k gene functions. We report here that Map2k2 haploinsufficiency affects the normal development of placenta in the absence of one Map2k1 allele. Most Map2k1+/–Map2k2+/– embryos die during gestation because of placenta defects restricted to extra-embryonic tissues. The impaired viability of Map2k1+/–Map2k2+/– embryos can be rescued when the Map2k1 deletion is restricted to the embryonic tissues. The severity of the placenta phenotype is dependent on the number of Map2k mutant alleles, the deletion of the Map2k1 allele being more deleterious. Moreover, the deletion of one or both Map2k2 alleles in the context of one null Map2k1 allele leads to the formation of multinucleated trophoblast giant (MTG) cells. Genetic experiments indicate that these structures are derived from Gcm1-expressing syncytiotrophoblasts (SynT), which are affected in their ability to form the uniform SynT layer II lining the maternal sinuses. Thus, even though Map2k1 plays a predominant role, these results enlighten the function of Map2k2 in placenta development. -
A Comprehensive Mapping of the Structure and Gene Organisation in the Sheep MHC Class I Region N
Siva Subramaniam et al. BMC Genomics (2015) 16:810 DOI 10.1186/s12864-015-1992-4 RESEARCH ARTICLE Open Access A comprehensive mapping of the structure and gene organisation in the sheep MHC class I region N. Siva Subramaniam1, EF Morgan1, JD Wetherall1, MJ Stear2,3* and DM Groth1 Abstract Background: The major histocompatibility complex (MHC) is a chromosomal region that regulates immune responsiveness in vertebrates. This region is one of the most important for disease resistance because it has been associated with resistance or susceptibility to a wide variety of diseases and because the MHC often accounts for more of the variance than other loci. Selective breeding for disease resistance is becoming increasingly common in livestock industries, and it is important to determine how this will influence MHC polymorphism and resistance to diseases that are not targeted for selection. However, in sheep the order and sequence of the protein coding genes is controversial. Yet this information is needed to determine precisely how the MHC influences resistance and susceptibility to disease. Methods: CHORI bacterial artificial chromosomes (BACs) known to contain sequences from the sheep MHC class I region were sub-cloned, and the clones partially sequenced. The resulting sequences were analysed and re-assembled to identify gene content and organisation within each BAC. The low resolution MHC class I physical map was then compared to the cattle reference genome, the Chinese Merino sheep MHC map published by Gao, et al. (2010) and the recently available sheep reference genome. Results: Immune related class I genes are clustered into 3 blocks; beta, kappa and a novel block not previously identified in other organisms. -
Serine Proteases with Altered Sensitivity to Activity-Modulating
(19) & (11) EP 2 045 321 A2 (12) EUROPEAN PATENT APPLICATION (43) Date of publication: (51) Int Cl.: 08.04.2009 Bulletin 2009/15 C12N 9/00 (2006.01) C12N 15/00 (2006.01) C12Q 1/37 (2006.01) (21) Application number: 09150549.5 (22) Date of filing: 26.05.2006 (84) Designated Contracting States: • Haupts, Ulrich AT BE BG CH CY CZ DE DK EE ES FI FR GB GR 51519 Odenthal (DE) HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI • Coco, Wayne SK TR 50737 Köln (DE) •Tebbe, Jan (30) Priority: 27.05.2005 EP 05104543 50733 Köln (DE) • Votsmeier, Christian (62) Document number(s) of the earlier application(s) in 50259 Pulheim (DE) accordance with Art. 76 EPC: • Scheidig, Andreas 06763303.2 / 1 883 696 50823 Köln (DE) (71) Applicant: Direvo Biotech AG (74) Representative: von Kreisler Selting Werner 50829 Köln (DE) Patentanwälte P.O. Box 10 22 41 (72) Inventors: 50462 Köln (DE) • Koltermann, André 82057 Icking (DE) Remarks: • Kettling, Ulrich This application was filed on 14-01-2009 as a 81477 München (DE) divisional application to the application mentioned under INID code 62. (54) Serine proteases with altered sensitivity to activity-modulating substances (57) The present invention provides variants of ser- screening of the library in the presence of one or several ine proteases of the S1 class with altered sensitivity to activity-modulating substances, selection of variants with one or more activity-modulating substances. A method altered sensitivity to one or several activity-modulating for the generation of such proteases is disclosed, com- substances and isolation of those polynucleotide se- prising the provision of a protease library encoding poly- quences that encode for the selected variants. -
Epigenetic Loss of the RNA Decapping Enzyme NUDT16 Mediates C-MYC Activation in T-Cell Acute Lymphoblastic Leukemia
OPEN Leukemia (2017) 31, 1622–1657 www.nature.com/leu LETTERS TO THE EDITOR Epigenetic loss of the RNA decapping enzyme NUDT16 mediates C-MYC activation in T-cell acute lymphoblastic leukemia Leukemia (2017) 31, 1622–1625; doi:10.1038/leu.2017.99 Having found the aforementioned NUDT16 CpG island methy- lation profiles, we studied in greater detail their association with the possible transcriptional inactivation of the NUDT16 gene at the RNA and protein levels in leukemia cell lines. We first It is possible that the occurrence of intrinsic defects in RNA performed bisulfite genomic sequencing of mutiple clones in the – processing pathways, such as RNA decapping,1 3 contribute to the T-cell Acute Lymphoblastic Leukemia (T-ALL) cell lines CCRF-CEM, distorted RNA landscapes of cancer cells. After transcription by Jurkat, MOLT-4 and MOLT-16 using primers that encompassed the RNA polymerase II, RNA molecules are equipped with a 5´-end transcription start site-associated CpG island and confirmed the N7-methyl guanosine (m7G)-cap. This m7G-cap is essential for hypermethylated status of the 5′-end region of NUDT16 in translation, stabilizing the RNA molecule and protecting it from comparison to normal T lymphocytes (Figure 1b), validating the – exonucleolytic breakdown.1 3 For RNA decay to occur the DNA methylation patterns obtained by the microarray approach m7G-cap first needs to be removed. This process is known as (Supplementary Figure S2). In contrast, normal T lymphocytes, the – decapping.1 3 The decapping mRNA 2 (DCP2) enzyme,4 also T-ALL cell lines KOPN-8, REH and RS4;11 and the leukemia cell known as the nucleoside diphosphate-linked moiety X motif lines HL-60 and K562 derived from myeloid lineage were all found 20 (NUDT20), was originally thought to be the only mammalian to be unmethylated (Figure 1b; Supplementary Figure S2). -
The Role of Caspase-2 in Regulating Cell Fate
cells Review The Role of Caspase-2 in Regulating Cell Fate Vasanthy Vigneswara and Zubair Ahmed * Neuroscience and Ophthalmology, Institute of Inflammation and Ageing, University of Birmingham, Birmingham B15 2TT, UK; [email protected] * Correspondence: [email protected] Received: 15 April 2020; Accepted: 12 May 2020; Published: 19 May 2020 Abstract: Caspase-2 is the most evolutionarily conserved member of the mammalian caspase family and has been implicated in both apoptotic and non-apoptotic signaling pathways, including tumor suppression, cell cycle regulation, and DNA repair. A myriad of signaling molecules is associated with the tight regulation of caspase-2 to mediate multiple cellular processes far beyond apoptotic cell death. This review provides a comprehensive overview of the literature pertaining to possible sophisticated molecular mechanisms underlying the multifaceted process of caspase-2 activation and to highlight its interplay between factors that promote or suppress apoptosis in a complicated regulatory network that determines the fate of a cell from its birth and throughout its life. Keywords: caspase-2; procaspase; apoptosis; splice variants; activation; intrinsic; extrinsic; neurons 1. Introduction Apoptosis, or programmed cell death (PCD), plays a pivotal role during embryonic development through to adulthood in multi-cellular organisms to eliminate excessive and potentially compromised cells under physiological conditions to maintain cellular homeostasis [1]. However, dysregulation of the apoptotic signaling pathway is implicated in a variety of pathological conditions. For example, excessive apoptosis can lead to neurodegenerative diseases such as Alzheimer’s and Parkinson’s disease, whilst insufficient apoptosis results in cancer and autoimmune disorders [2,3]. Apoptosis is mediated by two well-known classical signaling pathways, namely the extrinsic or death receptor-dependent pathway and the intrinsic or mitochondria-dependent pathway.