Abstracts tagged "DNA Methylation"

Abstract Number: 868 • 2014 ACR/ARHP Annual Meeting
Protein Phosphatase 5 (PP5) Regulates Methylation Sensitive Gene Expression in CD4+ T Cells
Dipak R. Patel, Gabriela Gorelik and Bruce C. Richardson, Internal Medicine, University of Michigan, Ann Arbor, MI
Background/Purpose: CD4+CD28- T cells are enriched in chronic inflammatory diseases like rheumatoid arthritis (RA) and lupus. They are cytotoxic and resistant to apoptosis. Compared to…
Abstract Number: 524 • 2014 ACR/ARHP Annual Meeting
Distinct Patterns of DNA Methylation in Labial Salivary Gland Tissue Based on Sjögren’s Syndrome Disease Status
Michael Cole¹, Xiaorong Shao¹, Diana Quach², Hong L. Quach², Lisa F. Barcellos² and Lindsey A. Criswell³, ¹Genetic Epidemiology and Genomics Lab, Division of Epidemiology, University of California, Berkeley, Berkeley, CA, ²Epidemiology, University of California, Berkeley, Berkeley, CA, ³Medicine, University of California, San Francisco, Rosalind Russell / Ephraim P. Engleman Rheumatology Research Center, San Francisco, CA
Background/Purpose Sjögren’s Syndrome (SS, OMIM #270150) is a chronic, multi-system autoimmune disease characterized by progressive destruction of the exocrine glands, with subsequent mucosal and conjunctival…
Abstract Number: 77 • 2014 ACR/ARHP Annual Meeting
Epigenome Profiling Reveals Robust Hypomethylation of Interferon Signature Genes in Lupus Neutrophils
Patrick Coit¹, Sri Yalavarthi¹, Wenpu Zhao², Mariana J. Kaplan² and Amr H. Sawalha¹, ¹Division of Rheumatology, University of Michigan, Ann Arbor, MI, ²Systemic Autoimmunity Branch, Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD
Background/Purpose: Lupus neutrophils play an important role in tissue damage (including glomerulonephritis and lupus skin involvement), as well as endothelial damage in lupus patients. Several…
Abstract Number: L8 • 2014 ACR/ARHP Annual Meeting
Differential DNA Methylation Associated with Lupus Nephritis
Renuka Nayak¹, Sharon A. Chung², Joanne Nitiham³ and Lindsey A. Criswell³, ¹Rheumatology, University of California - San Francisco, San Francisco, CA, ²School of Medicine, University of California, San Francisco, Rosalind Russell / Ephraim P. Engleman Rheumatology Research Center, San Francisco, CA, ³Medicine, University of California, San Francisco, Rosalind Russell / Ephraim P. Engleman Rheumatology Research Center, San Francisco, CA
Background/Purpose: Genetic and epigenetic factors contribute to the progression of systemic lupus erythematosus (SLE). We now have technologies that allow us to identify these factors…
Abstract Number: 2685 • 2014 ACR/ARHP Annual Meeting
Ten-Eleven Translocation 2 Protein Down-Regulates DNA Methylation of Interleukin-17A Promoter and Induces Its Expression in CD4⁺t Cells of Patients with Systemic Lupus Erythematosus
Duo Li, Qian Tang, Lina Tan, Ming Zhao, Gongping Liang, Yang Yang and Qianjin Lu, Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha, China
Background/Purpose: Recent evidence indicates that IL-17A plays a key role in the pathogenesis of autoimmune diseases, such as systemic lupus erythematosus (SLE). SLE patients have…
Abstract Number: 2905 • 2013 ACR/ARHP Annual Meeting
Demethylation of ITGAL (CD11a) regulatory sequences in CD4+T lymphocytes of Systemic Sclerosis
Yaoyao Wang¹, Ye Shu², Qing Wang¹, Ming Zhao¹, Gongping Liang¹, Qianjin Lu¹ and Rong Xiao¹, ¹Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha, China, ²Department of Dermatology, Hunan Children's Hospital, Changsha, China

Background/Purpose: Systemic sclerosis (SSc) is an autoimmune connective tissue disease epitomized numerous cellular and humoral immunological abnormalities. The immune system undoubtedly plays a pivotal…
Abstract Number: 2773 • 2013 ACR/ARHP Annual Meeting
Genome-Wide DNA Methylation Patterns In naïve CD4+ T Cells From Patients With Primary Sjögren’s Syndrome
Nezam I. Altorok¹, Patrick S. Coit², Travis Hughes², Kristi A. Koelsch³, R. Hal Scofield⁴, Kathy L. Sivils⁵, A. Darise Farris⁶ and Amr H. Sawalha², ¹Internal Medicine and Rheumatology, University of Michigan, Ann Arbor, MI, ²Division of Rheumatology, University of Michigan, Ann Arbor, MI, ³Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Okalahoma City, OK, ⁴Arthritis and Clinical Immunology Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, ⁵Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK, ⁶Arthritis & Immunology Program, Oklahoma Medical Research Foun, Oklahoma City, OK
Background/Purpose: Primary Sjögren’s syndrome (PSS) is a systemic autoimmune disease characterized by inflammation of the lacrimal and salivary glands and dryness of the eyes and mouth.…
Abstract Number: 2734 • 2013 ACR/ARHP Annual Meeting
Epigenetic Control Of a Gene Regulatory Network Associated With Experimental Autoimmune Arthritis and Rheumatoid Arthritis
Andras Vida¹, Janos Gal², Gyorgyi Soos², Attila Balog³, Laszlo G. Puskas⁴, Katalin Mikecz¹, Tibor T. Glant¹ and Tibor A. Rauch¹, ¹Orthopedic Surgery, Rush University Medical Center, Chicago, IL, ²Rheumatology, Bacs-Kiskun County Hospital, Kecskemet, Hungary, ³Rheumatology, Albert Szent-Gyorgyi University, Szeged, Hungary, ⁴Laboratory of Functional Genomics, Biological Research Center, Szeged, Hungary
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune inflammatory disorder that mainly affects the synovial joints, leading to destruction of articular cartilage and bone. There is…
Abstract Number: 2699 • 2013 ACR/ARHP Annual Meeting
Transcription Factor RFX1 Regulates Th17 Differentiation and Its Role In The Pathogenesis Of Systemic Lupus Erythematosus
Ming Zhao¹, Gongping Liang¹, Qian Tang², Yang Yang¹, Yixin Tan¹ and Qianjin Lu¹, ¹Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha, China, ²Second Xiangya Hospital, Central South University, Changsha, China
Background/Purpose: Recently, evidence is emerging that abnormal regulation of Th17 differentiation plays an important role in the pathogenesis of systemic lupus erythematosus (SLE). However, the…
Abstract Number: 1893 • 2013 ACR/ARHP Annual Meeting
Altered DNA Methylation Profiles In Individuals With Osteoarthritis
Kathryn A Bailey¹, Daniel Rojas², Nikhil Umesh¹, Lisa Smeester¹, Tristan De Buysscher³, Jordan B. Renner⁴, Joanne M. Jordan⁵ and Rebecca C. Fry¹, ¹Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, ²School of Medicine, Curriculum in Toxicology, Univeristy of North Carolina at Chapel Hill, Chapel Hill, NC, ³Center for Bioinformatics, University of North Carolina at Chapel Hill, Chapel Hill, NC, ⁴University of North Carolina Department of Radiology, Chapel Hill, NC, ⁵Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC
Background/Purpose: Major risk factors associated with osteoarthritis (OA) development include age, joint stress/injury, obesity, and genetic predisposition. In recent years, the role epigenetic processes that…
Abstract Number: 1874 • 2013 ACR/ARHP Annual Meeting
Genome-Wide Profiling Identifies Significant Differences Between The T-Lymphocyte and B-Lymphocyte Methylomes In Healthy Individuals
John Glossop^1,2, Nicola Nixon², Richard Emes³, Kim Haworth¹, Jonathon Packham², Peter Dawes², Anthony Fryer¹, Derek Mattey^1,2 and William Farrell¹, ¹Institute for Science and Technology in Medicine, Keele University, Stoke-on-Trent, United Kingdom, ²Rheumatology, Haywood Rheumatology Centre, Stoke-on-Trent, United Kingdom, ³School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonnington, United Kingdom
Background/Purpose: Multiple reports now describe changes to the DNA methylome in a variety of autoimmune disorders, such as rheumatoid arthritis. In many cases, these studies…
Abstract Number: 1886 • 2013 ACR/ARHP Annual Meeting
Differential Methylation Related To Response To Etanercept In Patients With Rheumatoid Arthritis
Amy Webster¹, Darren Plant², Mark Lunt³, Stephen Eyre⁴, Edward Flynn⁴, Paul Martin⁵, A. G. Wilson⁶, A. W. Morgan⁷, John Isaacs⁸, Jane Worthington^1,9 and Anne Barton^2,4, ¹Arthritis Research UK Centre for Genetics and Genomics, The University of Manchester, Manchester, United Kingdom, ²NIHR Manchester Musculoskeletal BRU, Central Manchester Foundation Trust and University of Manchester, Manchester Academic Health Science Centre, Manchester, United Kingdom, ³Arthritis Research UK Centre for Epidemiology, University of Manchester, Manchester, United Kingdom, ⁴Arthritis Research UK Epidemiology Unit, University of Manchester, Manchester, United Kingdom, ⁵Arthritis Research UK Epidemiology Unit, Manchester Academic Health Sciences Centre, Institute of Inflammation and Repair, The University of Manchester, Manchester, United Kingdom, ⁶Genomic Medicine, The University of Sheffield, Sheffield, United Kingdom, ⁷Leeds Institute of Molecular Medicine, University of Leeds, Leeds, United Kingdom, ⁸National Institute for Health Research, Newcastle Biomedical Research Centre, Newcastle Hospitals Foundation Trust and Newcastle University, Newcastle Upon Tyne, United Kingdom, ⁹The University of Manchester, Manchester, United Kingdom
Background/Purpose: The introduction of biologic drug therapies targeting specific components of the inflammatory response represents a huge advance in the treatment of rheumatoid arthritis (RA).…
Abstract Number: 1623 • 2013 ACR/ARHP Annual Meeting
Differential Methylation Of Interferon-Related Genes Is Associated With Anti-dsDNA Autoantibody Production In Systemic Lupus Erythematosus
Sharon A. Chung¹, Joanne Nititham², Kimberly E. Taylor¹, Emon Elboudwarej³, Hong L. Quach³, Lisa F. Barcellos³ and Lindsey A. Criswell², ¹University of California, San Francisco, San Francisco, CA, ²Department of Medicine, University of California, San Francisco, Rosalind Russell Medical Research Center for Arthritis, San Francisco, CA, ³Epidemiology, University of California, Berkeley, Berkeley, CA
Background/Purpose: DNA methylation studies in systemic lupus erythematosus (SLE) have shown that SLE patients have less methylation in genes regulating the immune response compared to…
Abstract Number: 715 • 2013 ACR/ARHP Annual Meeting
Protein Phosphatase 5 (PP5) Regulates Methylation Sensitive Gene Expression In CD4+ T Cells
Dipak R. Patel, Gabriela Gorelik and Bruce C. Richardson, Internal Medicine, University of Michigan, Ann Arbor, MI
Background/Purpose: CD4+CD28- T cells are enriched in chronic inflammatory diseases like rheumatoid arthritis (RA) and lupus. They are cytotoxic and resistant to apoptosis. Compared to…
Abstract Number: 665 • 2013 ACR/ARHP Annual Meeting
DNA hypermethylation of Forkhead box protein 3 (FOXP3) locus leads to quantitative defects of regulatory T cells in systemic sclerosis
Yaoyao Wang¹, Ye Shu², Qing Wang¹, Ming Zhao¹, Gongping Liang¹, Qianjin Lu¹ and Rong Xiao¹, ¹Department of Dermatology, Second Xiangya Hospital, Central South University, Changsha, China, ²Department of Dermatology, Hunan Children's Hospital, Changsha, China

Background/Purpose: Systemic sclerosis (SSc) is a systemic autoimmune disease of which the etiology and pathogenesis remains complex and poorly understood. Attention has recently been directed…

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