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A Computational Approach for Defining a Signature of Β-Cell Golgi Stress in Diabetes Mellitus
Page 1 of 781 Diabetes A Computational Approach for Defining a Signature of β-Cell Golgi Stress in Diabetes Mellitus Robert N. Bone1,6,7, Olufunmilola Oyebamiji2, Sayali Talware2, Sharmila Selvaraj2, Preethi Krishnan3,6, Farooq Syed1,6,7, Huanmei Wu2, Carmella Evans-Molina 1,3,4,5,6,7,8* Departments of 1Pediatrics, 3Medicine, 4Anatomy, Cell Biology & Physiology, 5Biochemistry & Molecular Biology, the 6Center for Diabetes & Metabolic Diseases, and the 7Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202; 2Department of BioHealth Informatics, Indiana University-Purdue University Indianapolis, Indianapolis, IN, 46202; 8Roudebush VA Medical Center, Indianapolis, IN 46202. *Corresponding Author(s): Carmella Evans-Molina, MD, PhD ([email protected]) Indiana University School of Medicine, 635 Barnhill Drive, MS 2031A, Indianapolis, IN 46202, Telephone: (317) 274-4145, Fax (317) 274-4107 Running Title: Golgi Stress Response in Diabetes Word Count: 4358 Number of Figures: 6 Keywords: Golgi apparatus stress, Islets, β cell, Type 1 diabetes, Type 2 diabetes 1 Diabetes Publish Ahead of Print, published online August 20, 2020 Diabetes Page 2 of 781 ABSTRACT The Golgi apparatus (GA) is an important site of insulin processing and granule maturation, but whether GA organelle dysfunction and GA stress are present in the diabetic β-cell has not been tested. We utilized an informatics-based approach to develop a transcriptional signature of β-cell GA stress using existing RNA sequencing and microarray datasets generated using human islets from donors with diabetes and islets where type 1(T1D) and type 2 diabetes (T2D) had been modeled ex vivo. To narrow our results to GA-specific genes, we applied a filter set of 1,030 genes accepted as GA associated. -
Prox1regulates the Subtype-Specific Development of Caudal Ganglionic
The Journal of Neuroscience, September 16, 2015 • 35(37):12869–12889 • 12869 Development/Plasticity/Repair Prox1 Regulates the Subtype-Specific Development of Caudal Ganglionic Eminence-Derived GABAergic Cortical Interneurons X Goichi Miyoshi,1 Allison Young,1 Timothy Petros,1 Theofanis Karayannis,1 Melissa McKenzie Chang,1 Alfonso Lavado,2 Tomohiko Iwano,3 Miho Nakajima,4 Hiroki Taniguchi,5 Z. Josh Huang,5 XNathaniel Heintz,4 Guillermo Oliver,2 Fumio Matsuzaki,3 Robert P. Machold,1 and Gord Fishell1 1Department of Neuroscience and Physiology, NYU Neuroscience Institute, Smilow Research Center, New York University School of Medicine, New York, New York 10016, 2Department of Genetics & Tumor Cell Biology, St. Jude Children’s Research Hospital, Memphis, Tennessee 38105, 3Laboratory for Cell Asymmetry, RIKEN Center for Developmental Biology, Kobe 650-0047, Japan, 4Laboratory of Molecular Biology, Howard Hughes Medical Institute, GENSAT Project, The Rockefeller University, New York, New York 10065, and 5Cold Spring Harbor Laboratory, Cold Spring Harbor, New York 11724 Neurogliaform (RELNϩ) and bipolar (VIPϩ) GABAergic interneurons of the mammalian cerebral cortex provide critical inhibition locally within the superficial layers. While these subtypes are known to originate from the embryonic caudal ganglionic eminence (CGE), the specific genetic programs that direct their positioning, maturation, and integration into the cortical network have not been eluci- dated. Here, we report that in mice expression of the transcription factor Prox1 is selectively maintained in postmitotic CGE-derived cortical interneuron precursors and that loss of Prox1 impairs the integration of these cells into superficial layers. Moreover, Prox1 differentially regulates the postnatal maturation of each specific subtype originating from the CGE (RELN, Calb2/VIP, and VIP). -
And Represses TNF Gene Expression Activating Transcription Factor-2
Histone Deacetylase 3, a Class I Histone Deacetylase, Suppresses MAPK11-Mediated Activating Transcription Factor-2 Activation and Represses TNF Gene Expression This information is current as of September 25, 2021. Ulrich Mahlknecht, Jutta Will, Audrey Varin, Dieter Hoelzer and Georges Herbein J Immunol 2004; 173:3979-3990; ; doi: 10.4049/jimmunol.173.6.3979 http://www.jimmunol.org/content/173/6/3979 Downloaded from References This article cites 45 articles, 31 of which you can access for free at: http://www.jimmunol.org/content/173/6/3979.full#ref-list-1 http://www.jimmunol.org/ Why The JI? Submit online. • Rapid Reviews! 30 days* from submission to initial decision • No Triage! Every submission reviewed by practicing scientists • Fast Publication! 4 weeks from acceptance to publication by guest on September 25, 2021 *average Subscription Information about subscribing to The Journal of Immunology is online at: http://jimmunol.org/subscription Permissions Submit copyright permission requests at: http://www.aai.org/About/Publications/JI/copyright.html Email Alerts Receive free email-alerts when new articles cite this article. Sign up at: http://jimmunol.org/alerts The Journal of Immunology is published twice each month by The American Association of Immunologists, Inc., 1451 Rockville Pike, Suite 650, Rockville, MD 20852 Copyright © 2004 by The American Association of Immunologists All rights reserved. Print ISSN: 0022-1767 Online ISSN: 1550-6606. The Journal of Immunology Histone Deacetylase 3, a Class I Histone Deacetylase, Suppresses MAPK11-Mediated Activating Transcription Factor-2 Activation and Represses TNF Gene Expression1 Ulrich Mahlknecht,2* Jutta Will,* Audrey Varin,† Dieter Hoelzer,* and Georges Herbein2† During inflammatory events, the induction of immediate-early genes, such as TNF-␣, is regulated by signaling cascades including the JAK/STAT, NF-B, and the p38 MAPK pathways, which result in phosphorylation-dependent activation of transcription factors. -
Targeting Endothelial Kruppel-Like Factor 2 (KLF2) in Arteriovenous
Targeting Endothelial Krüppel-like Factor 2 (KLF2) in Arteriovenous Fistula Maturation Failure A dissertation submitted to the Graduate School of the University of Cincinnati in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY (Ph.D.) in the Biomedical Engineering Program Department of Biomedical Engineering College of Engineering and Applied Science 2018 by Keith Louis Saum B.S., Wright State University, 2012 Dissertation Committee: Albert Phillip Owens III, Ph.D. (Committee Chair) Begona Campos-Naciff, Ph.D Christy Holland, Ph.D. Daria Narmoneva, Ph.D. Prabir Roy-Chaudhury, M.D., Ph.D Charuhas Thakar, M.D. Abstract The arteriovenous fistula (AVF) is the preferred form of vascular access for hemodialysis. However, 25-60% of AVFs fail to mature to a state suitable for clinical use, resulting in significant morbidity, mortality, and cost for end-stage renal disease (ESRD) patients. AVF maturation failure is recognized to result from changes in local hemodynamics following fistula creation which lead to venous stenosis and thrombosis. In particular, abnormal wall shear stress (WSS) is thought to be a key stimulus which alters endothelial function and promotes AVF failure. In recent years, the transcription factor Krüppel-like factor-2 (KLF2) has emerged as a key regulator of endothelial function, and reduced KLF2 expression has been shown to correlate with disturbed WSS and AVF failure. Given KLF2’s importance in regulating endothelial function, the objective of this dissertation was to investigate how KLF2 expression is regulated by the hemodynamic and uremic stimuli within AVFs and determine if loss of endothelial KLF2 is responsible for impaired endothelial function. -
Global Mef2 Target Gene Analysis in Skeletal and Cardiac Muscle
GLOBAL MEF2 TARGET GENE ANALYSIS IN SKELETAL AND CARDIAC MUSCLE STEPHANIE ELIZABETH WALES A DISSERTATION SUBMITTED TO THE FACULTY OF GRADUATE STUDIES IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY GRADUATE PROGRAM IN BIOLOGY YORK UNIVERSITY TORONTO, ONTARIO FEBRUARY 2016 © Stephanie Wales 2016 ABSTRACT A loss of muscle mass or function occurs in many genetic and acquired pathologies such as heart disease, sarcopenia and cachexia which are predominantly found among the rapidly increasing elderly population. Developing effective treatments relies on understanding the genetic networks that control these disease pathways. Transcription factors occupy an essential position as regulators of gene expression. Myocyte enhancer factor 2 (MEF2) is an important transcription factor in striated muscle development in the embryo, skeletal muscle maintenance in the adult and cardiomyocyte survival and hypertrophy in the progression to heart failure. We sought to identify common MEF2 target genes in these two types of striated muscles using chromatin immunoprecipitation and next generation sequencing (ChIP-seq) and transcriptome profiling (RNA-seq). Using a cell culture model of skeletal muscle (C2C12) and primary cardiomyocytes we found 294 common MEF2A binding sites within both cell types. Individually MEF2A was recruited to approximately 2700 and 1600 DNA sequences in skeletal and cardiac muscle, respectively. Two genes were chosen for further study: DUSP6 and Hspb7. DUSP6, an ERK1/2 specific phosphatase, was negatively regulated by MEF2 in a p38MAPK dependent manner in striated muscle. Furthermore siRNA mediated gene silencing showed that MEF2D in particular was responsible for repressing DUSP6 during C2C12 myoblast differentiation. Using a p38 pharmacological inhibitor (SB 203580) we observed that MEF2D must be phosphorylated by p38 to repress DUSP6. -
Early Growth Response 1 Acts As a Tumor Suppressor in Vivo and in Vitro Via Regulation of P53
Research Article Early Growth Response 1 Acts as a Tumor Suppressor In vivo and In vitro via Regulation of p53 Anja Krones-Herzig,1 Shalu Mittal,1 Kelly Yule,1 Hongyan Liang,2 Chris English,1 Rafael Urcis,1 Tarun Soni,1 Eileen D. Adamson,2 and Dan Mercola1,3 1Sidney Kimmel Cancer Center, San Diego, California and 2The Burnham Institute; 3Cancer Center, University of California at San Diego, La Jolla, California Abstract human tumor cell lines express little or no Egr1 in contrast to their normal counterparts (9–12). Furthermore, Egr1 is decreased or The early growth response 1 (Egr1) gene is a transcription factor that acts as both a tumor suppressor and a tumor undetectable in small cell lung tumors, human breast tumors promoter. Egr1-null mouse embryo fibroblasts bypass repli- (11, 13), and human gliomas (12). Reexpression of Egr1 in human tumor cells inhibits transformation. The mechanism of suppression cative senescence and exhibit a loss of DNA damage response h and an apparent immortal growth, suggesting loss of p53 involves the direct induction of TGF- 1 leading to an autocrine- functions. Stringent expression analysis revealed 266 tran- mediated suppression of transformation (8), increased fibronectin, scripts with >2-fold differential expression in Egr1-null mouse and plasminogen activator inhibitor (9). Egr1 also has been embryo fibroblasts, including 143 known genes. Of the 143 implicated in the regulation of p53 in human melanoma cells genes, program-assisted searching revealed 66 informative leading to apoptosis (14–16), and the proapoptotic tumor genes linked to Egr1. All 66 genes could be placed on a single suppressor gene PTEN also is directly regulated by Egr1 (17). -
The Transcription Factor Egr1 Is a Direct Regulator of Multiple Tumor
Cancer Gene Therapy (2006) 13, 115–124 r 2006 Nature Publishing Group All rights reserved 0929-1903/06 $30.00 www.nature.com/cgt REVIEW The transcription factor Egr1 is a direct regulator of multiple tumor suppressors including TGFb1, PTEN, p53, and fibronectin V Baron1, ED Adamson2, A Calogero3, G Ragona3 and D Mercola1,4,5 1Sidney Kimmel Cancer Center, San Diego, CA, USA; 2The Burnham Institute, La Jolla, CA, USA; 3The University of Rome, Rome, Italy; 4The Rebecca and John Moores Cancer Center, University of California at San Diego, La Jolla, CA, USA and 5The Department of Pathology, University of California at Irvine, Irvine, CA, USA Recent studies are reviewed indicating that the transcription factor early growth response-1 (Egr1) is a direct regulator of multiple tumor suppressors including TGFb1, PTEN, p53, and fibronectin. The downstream pathways of these factors display multiple nodes of interaction with each other, suggesting the existence of a functional network of suppressor factors that serve to maintain normal growth regulation and resist the emergence of transformed variants. Paradoxically, Egr1 is oncogenic in prostate cancer. In the majority of these cancers, PTEN or p53 is inactive. It is suggested that these defects in the suppressor network allow for the unopposed induction of TGFb1 and fibronectin, which favor transformation and survival of prostate tumor epithelial cells, and explain the role of Egr1 in prostate cancer. Egr1 is a novel and logical target for intervention by gene therapy methods, and targeting methods are discussed. Cancer Gene Therapy (2006) 13, 115–124. doi:10.1038/sj.cgt.7700896; published online 2 September 2005 Keywords: suppressor network; anoikis; systems biology; prostate cancer; tumor progression Introduction products. -
A Dissertation Entitled the Androgen Receptor
A Dissertation entitled The Androgen Receptor as a Transcriptional Co-activator: Implications in the Growth and Progression of Prostate Cancer By Mesfin Gonit Submitted to the Graduate Faculty as partial fulfillment of the requirements for the PhD Degree in Biomedical science Dr. Manohar Ratnam, Committee Chair Dr. Lirim Shemshedini, Committee Member Dr. Robert Trumbly, Committee Member Dr. Edwin Sanchez, Committee Member Dr. Beata Lecka -Czernik, Committee Member Dr. Patricia R. Komuniecki, Dean College of Graduate Studies The University of Toledo August 2011 Copyright 2011, Mesfin Gonit This document is copyrighted material. Under copyright law, no parts of this document may be reproduced without the expressed permission of the author. An Abstract of The Androgen Receptor as a Transcriptional Co-activator: Implications in the Growth and Progression of Prostate Cancer By Mesfin Gonit As partial fulfillment of the requirements for the PhD Degree in Biomedical science The University of Toledo August 2011 Prostate cancer depends on the androgen receptor (AR) for growth and survival even in the absence of androgen. In the classical models of gene activation by AR, ligand activated AR signals through binding to the androgen response elements (AREs) in the target gene promoter/enhancer. In the present study the role of AREs in the androgen- independent transcriptional signaling was investigated using LP50 cells, derived from parental LNCaP cells through extended passage in vitro. LP50 cells reflected the signature gene overexpression profile of advanced clinical prostate tumors. The growth of LP50 cells was profoundly dependent on nuclear localized AR but was independent of androgen. Nevertheless, in these cells AR was unable to bind to AREs in the absence of androgen. -
Identification of Key Pathways and Genes in Dementia Via Integrated Bioinformatics Analysis
bioRxiv preprint doi: https://doi.org/10.1101/2021.04.18.440371; this version posted July 19, 2021. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. Identification of Key Pathways and Genes in Dementia via Integrated Bioinformatics Analysis Basavaraj Vastrad1, Chanabasayya Vastrad*2 1. Department of Biochemistry, Basaveshwar College of Pharmacy, Gadag, Karnataka 582103, India. 2. Biostatistics and Bioinformatics, Chanabasava Nilaya, Bharthinagar, Dharwad 580001, Karnataka, India. * Chanabasayya Vastrad [email protected] Ph: +919480073398 Chanabasava Nilaya, Bharthinagar, Dharwad 580001 , Karanataka, India bioRxiv preprint doi: https://doi.org/10.1101/2021.04.18.440371; this version posted July 19, 2021. The copyright holder for this preprint (which was not certified by peer review) is the author/funder. All rights reserved. No reuse allowed without permission. Abstract To provide a better understanding of dementia at the molecular level, this study aimed to identify the genes and key pathways associated with dementia by using integrated bioinformatics analysis. Based on the expression profiling by high throughput sequencing dataset GSE153960 derived from the Gene Expression Omnibus (GEO), the differentially expressed genes (DEGs) between patients with dementia and healthy controls were identified. With DEGs, we performed a series of functional enrichment analyses. Then, a protein–protein interaction (PPI) network, modules, miRNA-hub gene regulatory network and TF-hub gene regulatory network was constructed, analyzed and visualized, with which the hub genes miRNAs and TFs nodes were screened out. Finally, validation of hub genes was performed by using receiver operating characteristic curve (ROC) analysis. -
Cortical Foxp2 Supports Behavioral Flexibility and Developmental Dopamine D1 Receptor Expression
bioRxiv preprint doi: https://doi.org/10.1101/624973; this version posted May 2, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC-ND 4.0 International license. Cortical Foxp2 supports behavioral flexibility and developmental dopamine D1 receptor expression Marissa Co, Stephanie L. Hickey, Ashwinikumar Kulkarni, Matthew Harper, Genevieve Konopka* Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, TX, USA *Correspondence: [email protected] Contact information Genevieve Konopka, Ph.D. Department of Neuroscience, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., ND4.300, Dallas, TX 75390-9111 TEL: 214-648-5135, FAX: 214-648-1801, Email: [email protected] 1 bioRxiv preprint doi: https://doi.org/10.1101/624973; this version posted May 2, 2019. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC-ND 4.0 International license. Abstract FoxP2 encodes a forkhead box transcription factor required for the development of neural circuits underlying language, vocalization, and motor-skill learning. Human genetic studies have associated FOXP2 variation with neurodevelopmental disorders (NDDs), and within the cortex, it is coexpressed and interacts with other NDD-associated transcription factors. Cortical Foxp2 is required in mice for proper social interactions, but its role in other NDD-relevant behaviors and molecular pathways is unknown. -
Sequence Variations of the EGR4 Gene in Korean Men With
Sung et al. BMC Medical Genetics (2017) 18:47 DOI 10.1186/s12881-017-0408-5 RESEARCH ARTICLE Open Access Sequence variations of the EGR4 gene in Korean men with spermatogenesis impairment Se Ra Sung1, Seung Hun Song2, Kyung Min Kang1, Ji Eun Park1, Yeo Jung Nam5, Yun-jeong Shin1, Dong Hyun Cha4, Ju Tae Seo3, Tae Ki Yoon4 and Sung Han Shim1,5* Abstract Background: Egr4 is expressed in primary and secondary spermatocytes in adult mouse testes and has a crucial role in regulating germ cell maturation. The functional loss of Egr4 blocks spermatogenesis, significantly reducing the number of spermatozoa that are produced. In this study, we examined whether EGR4 variants are present in Korean men with impaired spermatogenesis. Methods: A total 170 Korean men with impaired spermatogenesis and 272 normal controls were screened. The coding regions including exon-intron boundaries of EGR4 were sequenced by PCR-direct sequencing method. Results: We identified eight sequence variations in the coding region and 3′-UTR regions of the EGR4 gene. Four were nonsynonymous variants (rs771189047, rs561568849, rs763487015, and rs546250227), three were synonymous variants (rs115948271, rs528939702, and rs7558708), and one variant (rs2229294) was localized in the 3′-UTR. Three nonsynonymous variants [c.65_66InsG (p. Cys23Leufs*37), c.236C > T (p. Pro79Leu), c.1294G > T (p. Val432Leu)] and one synonymous variant [c.1230G > A (p. Thr410)] were not detected in controls. To evaluate the pathogenic effects of nonsynonymous variants, we used seven prediction methods. The c.214C > A (p. Arg72Ser) and c.236C > T (p. Pro79Leu) variants were predicted as “damaging” by SIFT and SNAP2.The c.65_66insG (p. -
Table SII. Significantly Differentially Expressed Mrnas of GSE23558 Data Series with the Criteria of Adjusted P<0.05 And
Table SII. Significantly differentially expressed mRNAs of GSE23558 data series with the criteria of adjusted P<0.05 and logFC>1.5. Probe ID Adjusted P-value logFC Gene symbol Gene title A_23_P157793 1.52x10-5 6.91 CA9 carbonic anhydrase 9 A_23_P161698 1.14x10-4 5.86 MMP3 matrix metallopeptidase 3 A_23_P25150 1.49x10-9 5.67 HOXC9 homeobox C9 A_23_P13094 3.26x10-4 5.56 MMP10 matrix metallopeptidase 10 A_23_P48570 2.36x10-5 5.48 DHRS2 dehydrogenase A_23_P125278 3.03x10-3 5.40 CXCL11 C-X-C motif chemokine ligand 11 A_23_P321501 1.63x10-5 5.38 DHRS2 dehydrogenase A_23_P431388 2.27x10-6 5.33 SPOCD1 SPOC domain containing 1 A_24_P20607 5.13x10-4 5.32 CXCL11 C-X-C motif chemokine ligand 11 A_24_P11061 3.70x10-3 5.30 CSAG1 chondrosarcoma associated gene 1 A_23_P87700 1.03x10-4 5.25 MFAP5 microfibrillar associated protein 5 A_23_P150979 1.81x10-2 5.25 MUCL1 mucin like 1 A_23_P1691 2.71x10-8 5.12 MMP1 matrix metallopeptidase 1 A_23_P350005 2.53x10-4 5.12 TRIML2 tripartite motif family like 2 A_24_P303091 1.23x10-3 4.99 CXCL10 C-X-C motif chemokine ligand 10 A_24_P923612 1.60x10-5 4.95 PTHLH parathyroid hormone like hormone A_23_P7313 6.03x10-5 4.94 SPP1 secreted phosphoprotein 1 A_23_P122924 2.45x10-8 4.93 INHBA inhibin A subunit A_32_P155460 6.56x10-3 4.91 PICSAR P38 inhibited cutaneous squamous cell carcinoma associated lincRNA A_24_P686965 8.75x10-7 4.82 SH2D5 SH2 domain containing 5 A_23_P105475 7.74x10-3 4.70 SLCO1B3 solute carrier organic anion transporter family member 1B3 A_24_P85099 4.82x10-5 4.67 HMGA2 high mobility group AT-hook 2 A_24_P101651