Abstracts tagged "metabolomics"

Abstract Number: 1092 • ACR Convergence 2020
NMR-Based Serum Metabolomics, Is It Different in Clinico-Serological Clusters of Idiopathic Inflammatory Myositis?
Naveen R¹, Anupam Guleria², Dinesh Kumar², Umesh Kumar², Anamika Anuja¹, Vikas Agarwal³ and Latika Gupta⁴, ¹Sanjay Gandhi Post graduate institute of medical sciences, Lucknow, Uttar Pradesh, India, ²Centre of Biomedical Research, Sanjay Gandhi post graduate institute of medical sciences, Lucknow, Uttar Pradesh, India, ³Sanjay Gandhi Post Graduate Institute of Medical Sciences, LUCKNOW, India, ⁴Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
Background/Purpose: Idiopathic inflammatory myositis (IIM) are rare and heterogenous. Myositis specific antibodies (MSA) show mutual exclusivity and identify specific clinical phenotypes1. Most biomarker studies are…
Abstract Number: 1221 • ACR Convergence 2020
Evaluation of Methotrexate Efficacy and Exploration of Metabolites Associated with Disease Activity in Collagen-induced Arthritis Mouse Model
Yu Kyoung Cho¹ and Ryan Funk¹, ¹UNIVERSITY OF KANSAS, Kansas City, KS
Background/Purpose: Methotrexate (MTX) is cornerstone of therapy for rheumatoid arthritis. However, response to MTX is variable and unpredictable among patients. Therefore, there is a critical…
Abstract Number: 1517 • ACR Convergence 2020
Metabolic Regulation of Type 3 Innate Lymphoid Cells by Intestinal Bacteria-Derived Indoles in Ankylosing Spondylitis
Adam Berlinberg¹, Adam Lefferts², Emilie Regner³, Andrew Stahly⁴ and Kristine Kuhn⁴, ¹University of Colorado, Denver, CO, ²University of Colorado, Anschutz Medical Campus, Denver, CO, ³University of California San Francisco, San Francisco, CA, ⁴University of Colorado Anschutz Medical Campus, Aurora, CO
Background/Purpose: Intestinal microbial dysbiosis, intestinal inflammation, and Th17 immunity are all linked to the pathophysiology of ankylosing spondylitis (AS); however, the mechanisms linking them remain…
Abstract Number: 1849 • ACR Convergence 2020
Identification of New Associations Between Psoriatic Arthritis and the Gut Microbiota. the Mi-PART, a Phenomic Study
Jesus Miguens Blanco¹, Uma Selvarajah¹, Zhigang Lui¹, Benjamin Mullish¹, James Alexander¹, Julie McDonald², Sonya Abraham¹ and Julian Marchesi¹, ¹Imperial College London, London, United Kingdom, ²Imperial College London, London
Background/Purpose: Perturbations of the gut microbiota have been associated with Psoriatic Arthritis (PsA), a chronic inflammatory disease. We aim to test the microbiome-metabolic interface of…
Abstract Number: 0031 • ACR Convergence 2020
Metabolomics Profiling Predicts Outcome of Tocilizumab in Rheumatoid Arthritis
Jessica Murillo-Saich¹, Cesar Diaz-Torne², M. Angeles Ortiz², Roxana Coras¹, Arthur Kavanaugh³, Hector Corominas², Silvia Vidal² and Monica Guma⁴, ¹University of California San Diego, La Jolla, CA, ²Institut Rec. Hospital de la Santa Creu I Sant Pau., Barcelona, Spain, ³Division of Rheumatology, Allergy, & Immunology, University of California San Diego Medical School, San Diego, CA, ⁴Division of Rheumatology, University of California San Diego, Department of Medicine, Autonomous University of Barcelona, La Jolla, CA
Background/Purpose: Metabolomics may provide information about the activity and severity of specific diseases and potentially help discriminate between diseases. Choosing the right biological therapy earlier…
Abstract Number: 1994 • ACR Convergence 2020
Rheumatoid Arthritis Improvement After Exposure to an Anti-Inflammatory “ITIS” Diet Is Associated with Changes of Gut Microbiome and Systemic Metabolome
Roxana Coras¹, Cameron Martino², Julia Gauglitz³, Anupriya Tripathi³, Alan Jarmusch⁴, Francesca Cedola⁵, Marta Fernandez Bustamante⁶, Meritxall Agustín-Perez⁷, Maram Alharthi⁸, Susan Lee⁸, Abha Singh⁸, Soo In Choi⁸, Tania Rivera⁸, Katherine Nguyen⁸, Tatyana Shekhtman⁹, Tiffany Holt¹⁰, Shahrokh Golshan¹¹, Rob Knight³, Pieter Dorrestein¹² and Monica Guma¹³, ¹University of California San Diego, La Jolla, CA, ²Bioinformatics and Systems Biology, University of California San Diego, San Diego, ³University of California San Diego, San Diego, ⁴Univesity of California San Diego, San Diego, ⁵Hospital Policlinico Tor Vergata, Rome, Italy, ⁶Departement of Medicine, Division of Rheumatology, University of California San Diego, San Diego, ⁷Department of Medicine, University of California San Diego, San Diego, San Diego, ⁸Department of Medicine, Division of Rheumatology, University of California San Diego, San Diego, ⁹Department of Psychiatry, University of California, San Diego, San Diego, ¹⁰Center for Integrative Nutrition, University of California San Diego, San Diego, ¹¹Department of Psychiatry, University of California San Diego, San Diego, CA, USA, San Diego, ¹²Department of Pharmacology and Pediatrics, University of California San Deigo, San Diego, ¹³Division of Rheumatology, University of California San Diego, Department of Medicine, Autonomous University of Barcelona, La Jolla, CA
Background/Purpose: A new dimension has been added to the link between diet and health, the gut microbiome. Of particular interest is the influence of diet…
Abstract Number: 0318 • ACR Convergence 2020
Oxylipin Profile Is Associated with Skin Disease and Enthesitis in Psoriatic Disease
Roxana Coras¹, Arthur Kavanaugh², Angela Kluzniak³, Dustina Holt³, Amy Weilgosz³, Oswald Quehenberger¹, Christopher Ritchlin⁴ and Monica Guma⁵, ¹University of California San Diego, La Jolla, CA, ²Division of Rheumatology, Allergy, & Immunology, University of California San Diego Medical School, San Diego, CA, ³University of Rochester Medical Center, New York, NY, ⁴Department of Medicine, University of Rochester Medical Center, Rochester, NY, ⁵Division of Rheumatology, University of California San Diego, Department of Medicine, Autonomous University of Barcelona, La Jolla, CA
Background/Purpose: Psoriatic arthritis (PsA), a systemic inflammatory disease, occurs in about 25% of patients with psoriasis (PsO). At present, there are no biomarkers that reliably…
Abstract Number: 0472 • ACR Convergence 2020
ApoB:ApoA1 Ratio Could Predict Atherosclerotic Risk in Juvenile-SLE Patients Associated with Altered Interferon Signalling in CD8+ T-cells
George Robinson¹, Kirsty Waddington², Leda Coelewij², Junjie Peng², Meena Naja², Chris Wincup², Anna Radziszewska², Hannah Peckham², David Isenberg², Yiannis Ioannou², Ines Pineda Torra², Coziana Ciurtin² and Elizabeth Jury², ¹University College London, Hertford, United Kingdom, ²University College London, London, United Kingdom
Background/Purpose: Systemic lupus erythematosus (SLE) is an autoimmune rheumatic disease characterised by immune-dysregulation, chronic inflammation, type-I interferon (IFN) signatures and increased cardiovascular disease (CVD) risk…
Abstract Number: 0503 • ACR Convergence 2020
Targeted Metabolomic Profiling and Prediction of Cardiovascular Events: A Prospective Study of Patients with Psoriatic Arthritis and Psoriasis
Keith Colaco¹, Ker-Ai Lee², Shadi Akhtari³, Raz Winer⁴, Paul Welsh⁵, Naveed Sattar⁵, Iain McInnes⁶, Vinod Chandran⁷, Paula Harvey⁸, Richard Cook², Dafna Gladman⁷, Vincent Piguet⁸ and Lihi Eder⁹, ¹Institute of Medical Science, University of Toronto; Women's College Research Institute, Women's College Hospital; and Toronto Western Hospital, University Health Network, Toronto, ON, Canada, ²University of Waterloo, Waterloo, ON, Canada, ³Women's College Hospital, University of Toronto, North York, ON, Canada, ⁴Rambam Health Care Campus, Haifa, Israel, ⁵University of Glasgow, Glasgow, Scotland, United Kingdom, ⁶Institute of Infection, Immunity, and Inflammation, University of Glasgow, Glasgow, United Kingdom, ⁷Krembil Research Institute, Toronto Western Hospital, Toronto, ON, Canada, ⁸Women's College Hospital, University of Toronto, Toronto, ON, Canada, ⁹Women’s College Research Institute, University of Toronto, Toronto, ON, Canada
Background/Purpose: Psoriatic arthritis and psoriasis, collectively termed psoriatic disease (PsD), are associated with increased cardiovascular (CV) risk. Metabolites comprise biomarkers that may add predictive value…
Abstract Number: 0680 • ACR Convergence 2020
Sustained Treat to Target Uric Acid Lowering Therapy Markedly Lowers Fatty Acids Levels in Gout Patients
Monica Guma¹, Roxana Coras², Ru Liu-Bryan³ and Robert Terkeltaub⁴, ¹Division of Rheumatology, University of California San Diego, Department of Medicine, Autonomous University of Barcelona, La Jolla, CA, ²University of California San Diego, La Jolla, CA, ³Department of Medicine, VAMC/University of California San Diego, San Diego, ⁴VA Medical Center/UC San Diego, San Diego, CA
Background/Purpose: Though hyperuricemia is implicated in cardiovascular disease, the metabolic syndrome, and type 2 diabetes in both gout and in asymptomatic patients, the core metabolism…
Abstract Number: 0747 • ACR Convergence 2020
Isotope-Labeling-LC-MS-based Metabolic Profiling of Multiple Serum Sample Sets for the Discovery of High-confidence Rheumatoid Arthritis Biomarkers
Xiaohang Wang¹, Wei Han¹, Liang Li¹, Stephanie Wichuk², Edna Hutchings³, Rana Dadashova³, Joel Paschke³ and Walter Maksymowych², ¹Department of Chemistry, University of Alberta, Edmonton, AB, Canada, ²University of Alberta, Edmonton, AB, Canada, ³CARE Arthritis, Edmonton, AB, Canada
Background/Purpose: Early diagnosis of rheumatoid arthritis (RA) is hampered by suboptimal accuracy of currently available serological biomarkers. In this work, we applied a high-performance chemical…
Abstract Number: 0842 • ACR Convergence 2020
mTOR Signaling Pathway Blockade and Rab4 Expression Affects Metabolism of Lupus T Cells
Tamas Faludi¹, Nick Huang¹, Manuel Duarte¹, Joshua Lewis¹ and Andras Perl¹, ¹SUNY Upstate Medical University, Syracuse, NY
Background/Purpose: Pro-inflammatory T-cell development underlies the pathogenesis of systemic lupus erythematosus (SLE). Activation of the mechanistic target of rapamycin (mTOR) plays a central role in…
Abstract Number: 0844 • ACR Convergence 2020
Rab4A Regulates Glomerulonephritis and Tryptophan Metabolism in Sle1.2.3. Lupus-prone Mice via Recycling of CD98
Brandon Wyman¹, Nick Huang¹, Zhiwei Lai¹, Mark Haas², Manuel Duarte¹, Joshua Lewis¹ and Andras Perl¹, ¹SUNY Upstate Medical University, Syracuse, NY, ²Cedars-Sinai, Los Angeles, CA
Background/Purpose: Systemic Lupus Erythematosus (SLE) is an autoimmune disease with an incompletely understood etiology. Previous work has identified Rab4A, a small GTPase responsible for endosomal…
Abstract Number: 0970 • ACR Convergence 2020
Oxylipins Profiles During the Earliest Phases of Rheumatoid Arthritis: Associations with Clinical Stage and Treatment Outcomes
Roxana Coras¹, Javier Rodríguez-Carrio², Mercedes Alperi-López³, Patricia López⁴, Catalina Ulloa⁵, Francisco J Ballina-García³, Aaron M Armando⁶, Oswald Quehenberger¹, Monica Guma⁷ and Ana Suárez⁴, ¹University of California San Diego, La Jolla, CA, ²Department of Functional Biology, University of Oviedo, Instituto de Investigación Sanitaria del Principado de Asturias, Asturias, Spain/Bone and Mineral Research Unit, REDinREN del ISCIII, Hospital Universitario Central de Asturias, Spain, Oviedo, ³Department of Rheumatology, Hospital Universitario Central de Asturias, Oviedo, Spain, Oviedo, ⁴Department of Functional Biology, University of Oviedo, Instituto de Investigación Sanitaria del Principado de Asturias, Asturias, Spain, Oviedo, ⁵Bone and Mineral Research Unit, REDinREN del ISCIII, Hospital Universitario Central de Asturias, Spain, Oviedo, ⁶Department of Pharmacology, School of Medicine, University of California, San Diego, USA, San Diego, ⁷Division of Rheumatology, University of California San Diego, Department of Medicine, Autonomous University of Barcelona, La Jolla, CA
Background/Purpose: Altered eicosanoids have been linked to rheumatoid arthritis (RA), suggesting an enhanced metabolization. Eicosanoid metabolism forms a complex network, involving different pathways and mediators,…
Abstract Number: 0991 • ACR Convergence 2020
Pathogenic, Glycolytic PD-1+ B Cells Accumulate in the Hypoxic RA Joint
Achilleas Floudas¹, Nuno Neto², Viviana Marzaioli³, Kieran Murray⁴, Barry Moran⁵, Michael Monaghan⁶, Candice Low⁷, Ronan Mullan⁸, Navin Rao⁹, Vinod Krishna⁹, Sunil Nagpal¹⁰, Douglas Veale¹¹ and Ursula Fearon³, ¹Molecular Rheumatology Trinity Biomedical Sciences Institute, Dublin, Dublin, Ireland, ²Department of Mechanical and Manufacturing Engineering, Dublin, Dublin, Ireland, ³Molecular Rheumatology, Trinity College Dublin, Dublin, Dublin, Ireland, ⁴Saint Vincent's University Hospital, Dublin 4, Dublin, Ireland, ⁵Trinity Biomedical Sciences Institute, Dublin, Ireland, ⁶Department of Mechanical and Manufacturing Engineering, Dublin, Ireland, ⁷EULAR Centre for Arthritis and Rheumatic diseases, St Vincents University Hospital, UCD, Dublin, Ireland, ⁸Adelaide and Meath Hospital, Dublin, Dublin, Ireland, ⁹Janssen R&D, Spring House, PA, ¹⁰Janssen Research & Development, Collegeville, PA, ¹¹EULAR Centre for Arthritis and Rheumatic Diseases, St Vincents University Hospital, UCD, Dublin, Dublin, Ireland
Background/Purpose: Rheumatoid arthritis (RA) often has a progressive and debilitating course, with significant impact on the patient’s quality of life. Despite the long-known association with…