Abstracts tagged "Gene Expression"

Abstract Number: 1107 • ACR Convergence 2021
Clinical and Genetic Features of Chinese Adult Patients with Chronic Non-bacterial Osteomyelitis: A Single Center Report
Mengzhu Zhao, Min Shen, Di Wu and Keyi Yu, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China (People's Republic)
Background/Purpose: Chronic non-bacterial osteomyelitis (CNO) is a rare polygenic autoinflammatory bone disease. CNO has been seldom reported in the Chinese population. We aimed to characterize…
Abstract Number: 1434 • ACR Convergence 2021
Multiomic Study of Skin, Peripheral Blood and Serum: Is Serum Proteome a Reflection of Disease Process at the End-Organ Level in Systemic Sclerosis?
Victor Farutin¹, Elma Kurtagic², Joel Pradines³, Ishan Capila³, Maureen Mayes⁴, Minghua Wu⁵, Anthony Manning³ and Shervin Assassi⁶, ¹Janssen R&D, LLC, Watertown, MA, ²Janssen R&D, LLC, Cambridge, ³Momenta Pharmaceuticals, Inc., Cambridge, MA, ⁴Division of Rheumatology and Clinical Immunogenetics, University of Texas McGovern Medical School, Houston, TX, ⁵University of Texas Health Science Center at Houston, Houston, TX, ⁶University of Texas McGovern Medical School at Houston, Houston, TX
Background/Purpose: Discovery of biomarkers in systemic sclerosis (SSc) represents an unmet clinical need. Samples from prominently affected fibrotic end-organs such as lung and skin are…
Abstract Number: 1486 • ACR Convergence 2021
A Novel Requirement for IFNβ1 Signaling for IFNκ Induction in Keratinocytes
Bin Xu¹, Yee Sun Tan¹, Jon Musai¹, William R Swindell², Mrinal Sakar¹, Johann Gudjonsson¹, J. Michelle Kahlenberg¹ and Grace Hile¹, ¹University of Michigan, Ann Arbor, MI, ²Ohio University, Cincinnati, OH
Background/Purpose: Cutaneous lupus erythematosus (CLE) affects up to 70% of patients with systemic lupus erythematosus (SLE), and type I interferons (IFNs) are important promoters of…
Abstract Number: 0013 • ACR Convergence 2021
Cyclin Dependent Kinase 4 and 6 Determine the Cytokine Responsiveness by Stabilizing JUN in Rheumatoid Arthritis Synovial Fibroblasts
Tadashi Hosoya¹, Tetsuya Saito², Hiroyuki Baba², Nao Tanaka², Seiji Noda², Yoji Komiya², Yasuhiro tagawa², Akio Yamamoto² and Shinsuke Yasuda², ¹Tokyo Medical and Dental University(TMDU), Tokyo, Japan, ²Tokyo Medical and Dental University (TMDU), Tokyo, Japan
Background/Purpose: Although current inflammation-targeted therapy improved the outcome of patients with rheumatoid arthritis (RA), the achievement of complete disease remission was still challenging. Since synovial…
Abstract Number: 1490 • ACR Convergence 2021
Myeloid and B Cell Transcriptional Phenotypes Reveal Race Dependent Differences in Early Autoimmunity
Aleksandra Bylinska, Samantha Slight-Webb, Kevin Thomas, Miles Smith, Susan Macwana, Nicolas Dominguez, Eliza Chakravarty, Joan Merrill, Judith James and Joel Guthridge, Oklahoma Medical Research Foundation, Oklahoma City, OK
Background/Purpose: Early immune events leading to clinical autoimmune disease are complex and the pathways involved remain incompletely defined. Anti-nuclear antibody (ANA) positivity is a feature…
Abstract Number: 0014 • ACR Convergence 2021
Low Baseline Expression of Pyruvate Kinase and Succinate Dehydrogenase Genes in the Peripheral Blood of Rheumatoid Arthritis Patients Treated with Tofacitinib Is Associated with Clinical Remission at the End of Follow-up
Elena Tchetina¹, Azamat Satybaldyev², Galina Markova¹ and Alexander Lila², ¹Nasonova Research Institute of Rheumatology, Moscow, Russia, ²V.A. Nasonova Reseach Institute of Rheumatology, Moscow, Russia
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disease of unknown etiology, which is characterized by erosive arthritis and systemic inflammation. Tofacitinib (TFCN) is a Janus…
Abstract Number: 1491 • ACR Convergence 2021
Single-cell Analysis of Paired Skin and Blood Samples from Patients with SLE and Cutaneous Lupus Suggests CD16+ DCs Arise from Non-classical Monocytes That Enter Nonlesional Skin, Undergo Type I IFN Education, and Engage in Extensive Crosstalk with Diverse Immune and Stromal Cell Types
Allison Billi¹, Feiyang Ma², Olesya Plazyo³, Grace Hile³, Xianying Xing³, Mehrnaz Gharaee-Kermani⁴, Rachael Wasikowski³, Lam Tsoi³, Matteo Pellegrini², Robert L. Modlin², Johann Gudjonsson¹ and J. Michelle Kahlenberg³, ¹Department of Dermatology, University of Michigan, Ann Arbor, MI, ²University of California Los Angeles, Los Angeles, CA, ³University of Michigan, Ann Arbor, MI, ⁴Internal Medicine - Division of Rheumatology and Department of Dermatology, University of Michigan, Ann Arbor, MI
Background/Purpose: Cutaneous lupus erythematosus (CLE) is an incompletely understood autoimmune disease that can occur in isolation or in the context of SLE. CLE is often…
Abstract Number: 0022 • ACR Convergence 2021
The Effects of MAA-Modified and/or Citrullinated Proteins on Calcium Influx and Peptidyl Arginine Deiminase (PAD) Expression in Macrophage
Andrew Gerber, Michael Duryee, Nozima Aripova, Bryant England, James O'Dell, Ted Mikuls and Geoffrey Thiele, University of Nebraska Medical Center, Omaha, NE
Background/Purpose: Expressed in synovial fluid mononuclear and other inflammatory cells, peptidyl arginine deiminase (PAD) catalyzes post-translational citrullination of synovial proteins in a calcium (Ca2+)-dependent manner.…
Abstract Number: 1504 • ACR Convergence 2021
Association Between Anti-RNP Antibodies and Interferon Gene Expression but Not Complement Consumption in SLE
Erika Hubbard¹, David Pisetsky² and Peter Lipsky¹, ¹AMPEL BioSolutions, Charlottesville, VA, ²Duke University Medical Center, Durham, NC
Background/Purpose: Anti-nuclear antibodies are important serologic features of SLE and facilitate diagnosis. Anti-double stranded DNA (dsDNA) antibodies are routinely monitored for disease prognosis and are…
Abstract Number: 0023 • ACR Convergence 2021
Investigating Temporal Changes in Pregnancy Among Women with Rheumatoid Arthritis and Healthy Women Using Co-expression Network Analysis
Matthew Wright¹, Dana Goin², Mette Smed³, J Lee Nelson⁴, Nicholas Jewell⁵, Jorn Olsen⁶, Merete Hetland⁷, Vibeke Zoffmann³ and Damini Jawaheer⁸, ¹UCSF Benioff Children's Hospital Oakland, Oakland, CA, ²University of California San Francisco, San Francisco, CA, ³Juliane Marie Center, Rigshospitalet, Copenhagen, Denmark, ⁴Fred Hutchinson Cancer Research Center, University of Washington, Seattle, WA, ⁵University of California Berkeley, Berkeley, CA, ⁶Aarhus University Hospital, Aarhus, Denmark, ⁷DANBIO and COPECARE, Centre for Rheumatology and Spine Diseases, Rigshospitalet, Glostrup, Denmark, ⁸UCSF Benioff Children's Hospital Oakland / University of California San Francisco, Oakland, CA
Background/Purpose: Rheumatoid arthritis (RA), while still an incurable disease, can often improve naturally during pregnancy. The specific mechanism(s) underlying this pregnancy-induced improvement, however, are not…
Abstract Number: 1580 • ACR Convergence 2021
Whole Blood Gene Expression and eQTL Analysis Implicate GGT7 and FADS2 in Gout Pathogenesis
Richard Reynolds¹, Riku Takei¹, Jeffrey Edberg¹, Nicholas Sumpter¹, Tony Merriman² and Megan Leask¹, ¹University of Alabama at Birmingham, Birmingham, AL, ²University of Alabama at Birmingham, Dunedin, New Zealand
Background/Purpose: Gene expression studies of whole blood represent a powerful approach for understanding the pathogenesis of gout because differentially expressed transcripts may reflect the activation…
Abstract Number: 0061 • ACR Convergence 2021
Harnessing Spatially-Resolved Gene Expression to Characterize the Transcriptional Landscape of Psoriatic Skin
Rochelle Castillo¹, Ikjot Sidhu¹, Di Yan¹, Piotr Konieczny¹, Rebecca Haberman¹, Brandon Hsieh¹, Andrea Neimann¹, Shruti Naik¹ and Jose Scher², ¹NYU Langone Health, New York, NY, ²New York University School of Medicine, New York, NY
Background/Purpose: The skin is recognized as a window into the immunopathogenic mechanisms in the psoriatic arthritis (PsA) joint. This is evidenced by the fact that…
Abstract Number: 1665 • ACR Convergence 2021
Physical Activity Moderates Inflammatory Gene Expression in Rheumatoid Arthritis
Sarah Patterson¹, Shenghuan Sun², Dmitry Rychkov², Alexandra Tsitsiklis², Paula Hayakawa Serpa², Patricia Katz², Charles Langelier² and Marina Sirota², ¹University of California San Francisco, Pacifica, CA, ²University of California San Francisco, San Francisco, CA
Background/Purpose: Prior studies show an independent association between greater physical activity and lower inflammatory markers among adults in the general population, but the impact of…
Abstract Number: 0300 • ACR Convergence 2021
Salivary Gland Epithelial Cells Transcriptomic Analysis Highlight Their Potential Involvement in Extracellular Matrix Modification in Sjögren’s Syndrome
Elodie Rivière¹, Juliette Pascaud¹, Franck Letourneur², Gaetane Nocturne¹ and Xavier Mariette³, ¹Immunology of viral Infections and Autoimmune Diseases, IDMIT, CEA - Université Paris Sud - INSERM U1184 ; Rheumatology, APHP, Université Paris Saclay, Le Kremlin Bicêtre, France, ²Plateforme Génomique : GENOM'IC — Institut Cochin, Paris, France, ³Université Paris- Saclay, Rheumatology, Paris, France
Background/Purpose: Salivary gland epithelial cells (SGECs) participate to the hyper activation of the immune system in primary Sjögren’s syndrome (pSS). This study aimed to analyze…
Abstract Number: 1842 • ACR Convergence 2021
Peripheral Blood Cell Gene Expression Profiling Predicts Response to Mycophenolate in Systemic Sclerosis Related Interstitial Lung Disease
Shervin Assassi¹, Wenjin Zheng², Elizabeth Volkmann³, Xuan Wang⁴, Holly Wilhalme⁵, Marka Lyons⁶, Michael Roth⁵ and Donald Tashkin⁵, ¹University of Texas McGovern Medical School at Houston, Houston, TX, ²School of Biomedical Informatics at the University of Texas Health Science Center at Houston, Houston, TX, ³Department of Medicine, Division of Rheumatology, University of California, David Geffen School of Medicine, Los Angeles, CA, ⁴Baylor Scott & White Health, Dallas, TX, ⁵University of California Los Angeles, Los Angeles, CA, ⁶Division of Rheumatology, University of Texas McGovern Medical School at Houston, Houston, TX
Background/Purpose: Response to immunosuppression is variable in systemic sclerosis (SSc) related interstitial lung disease (ILD). Contrary to pulmonary tissue, peripheral blood cell (PBC) RNA can…

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