Abstracts tagged "metabolomics"

Abstract Number: 1820 • ACR Convergence 2022
Targeted Plasma Lipidomics Distinguishes Patients with Gout and Hyperuricemia from Controls
Blanka Stiburkova¹, Kateřina Pavelcová¹, Jana Bohatá¹, Karel Pavelka², Lenka Hasíková¹, Jakub Závada¹, Aleš Kvasnička³, Dana Dobešová³ and David Friedecký³, ¹Institute of Rheumatology, Prague, Czech Republic, ²Institute of Rheumatology, Department of Rheumatology, 1st Faculty of Medicine, Charles University, Prague, Czech Republic, Praha, Czech Republic, ³Palacky University Olomouc, Olomouc, Czech Republic
Background/Purpose: Gout is the most common type of inflammatory arthritis, characterised by chronic deposition of uric acid crystals in the joints, affecting approx. 1-2% of…
Abstract Number: 1895 • ACR Convergence 2022
Association Between Synovial Tissue Metabolomic Profile and Pain in Patients with Knee Osteoarthritis
Jessica Murillo Saich¹, Roxana Coras², Robert Meyer³, Nancy Lane⁴ and Monica Guma⁵, ¹University of California San Diego, La Jolla, CA, ²University of California San Diego, San Diego, CA, ³San Diego VA Healthcare Service, San Diego, CA, ⁴University of California Davis, Hillsborough, CA, ⁵UCSD, La Jolla, CA
Background/Purpose: Increasing evidence indicates that osteoarthritis (OA) progression is mediated by low-grade synovial inflammation (synovitis) that contributes to joint pain and stiffness, especially in knee…
Abstract Number: 1906 • ACR Convergence 2022
Bile Acid Profile Is Associated to Synovitis in Knee Osteoarthritis
Roxana Coras¹, Jessica Murillo Saich², Michal Hose Sanchez³, Anne Quan³, Emily Gentry¹, Pieter Dorrestein¹, Nancy Lane⁴ and Monica Guma⁵, ¹University of California San Diego, San Diego, CA, ²University of California San Diego, La Jolla, CA, ³VA San Diego Healthcare System, San Diego, CA, ⁴University of California Davis, Hillsborough, CA, ⁵Division of Rheumatology, Allergy, and Immunology, Department of Medicine, University of California San Diego, La Jolla, CA
Background/Purpose: Increasing evidence indicates that low grade systemic and local inflammation contributes to osteoarthritis (OA) progression. Bioactive lipid mediators are signaling molecules involved in inflammatory…
Abstract Number: 1993 • ACR Convergence 2022
Changes in Omega-6- and Omega-3-Derived Bioactive Lipids in Response to an Anti-Inflammatory Dietary Intervention
Esha Lal¹, Marta Sala Climent², francesca cedola², Marta Fernandez-Bustamante³, Meritxell Agustín-Perez², Maram Alharti², Abha Singh⁴, Soo-In Choi², Tania Rivera², Katherine Nguyen⁴, Susan Lee², Aaron Armando⁵, Tiffany Holt⁶, Oswald Quehenberger⁵, Shahrokh Golshan⁶, Roxana Coras⁷ and Monica Guma⁸, ¹Department of Medicine, School of Medicine, University of California, San Diego, San Diego, ²Department of Medicine, School of Medicine, University of California, San Diego, San Diego, CA, ³Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA, ⁴University of California, San Diego, San Diego, CA, ⁵Department of Pharmacology, School of Medicine, University of California, San Diego, San Diego, CA, ⁶Department of Psychiatry, School of Medicine, University of California, San Diego, San Diego, CA, ⁷University of California San Diego, San Diego, CA, ⁸UCSD, La Jolla, CA
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disease that causes joint pain, swelling, stiffness, and decreased mobility. Despite the various treatment options for RA, many…
Abstract Number: 0036 • ACR Convergence 2022
Patient-specific and Disease-related Determinants for Cardiovascular Disease (CVD) Risk Stratification in the APPLE (Atherosclerosis Prevention in Paediatric Lupus Erythematosus) Clinical Trial Cohort
Junjie Peng¹, George Robinson¹, Stacy P Ardoin², Laura Schanberg³, Elizabeth Jury¹ and Coziana Ciurtin⁴, ¹University College London, London, United Kingdom, ²Division of Rheumatology, Nationwide Children's Hospital and Department of Pediatrics, The Ohio State University, Columbus, OH, ³Duke University Medical Center, Durham, NC, ⁴Centre for Adolescent Rheumatology Versus Arthritis, Department of Medicine, University College London, London, United Kingdom
Background/Purpose: The risk of developing cardiovascular disease (CVD) through atherosclerosis in juvenile-onset systemic lupus erythematosus (JSLE) patients is significantly increased. This study aimed to stratify…
Abstract Number: 2211 • ACR Convergence 2022
Identification of Plasma Metabolomic Biomarkers of Juvenile Idiopathic Arthritis
Amar Kumar¹, Joshua Tartarian², Valentina Shakhnovich³, Carl Langefeld⁴, Daniel Lovell⁵, Susan Thompson⁶, Mara Becker⁷ and Ryan Funk⁸, ¹University of Kansas, Kansas City, KS, ²University of Kansas Medical Center, Kansas City, KS, ³University of Missouri-Kansas City School of Medicine & Children’s Mercy Kansas City, Kansas City, MO, ⁴Wake Forest School of Medicine, Winston Salem, NC, ⁵Cincinnati Children's Hospital Medical Center, Cincinnati, OH, ⁶Cincinnati Children's Hospital Medical Center/Univ of Cincinnati College of Medicine, Blue Ash, OH, ⁷Duke University Medical Center/Duke Clinical Research Institute, Durham, NC, ⁸University of Kansas, Leawood, KS
Background/Purpose: Identification of disease and therapeutic biomarkers remains a barrier to the early diagnosis of and initiation of effective therapy for juvenile idiopathic arthritis (JIA).…
Abstract Number: 0320 • ACR Convergence 2022
Metabolomics in Systemic Lupus Erythematosus and Pregnancy – A Prospective Observational Longitudinal Study
Shi-Nan Luong¹, Isabella Sheldon², Charles Raine³, Elizabeth Jury³ and Ian Giles³, ¹University College London, United Kingdom and University of New South Wales, Sydney, Australia, ²London School of Hygiene and Tropical Medicine, London, United Kingdom, ³University College London, London, United Kingdom
Background/Purpose: Systemic lupus erythematosus (SLE) is an autoimmune disease characterised by activation of immunological and cellular pathways, disease flares and adverse pregnancy outcomes (APO). Metabolomic…
Abstract Number: 2242 • ACR Convergence 2022
Metabolomics-based Identification of Metabolic Dysfunction in Inclusion Body Myositis
Jemima Albayda¹, Cissy Zhang¹, Pratik Khare¹, Brittany Adler¹, Erika Darrah¹, Lisa Christopher-Stine¹, Thomas E Lloyd² and Anne Le¹, ¹Johns Hopkins University, Baltimore, MD, ²Johns Hopkins University School of Medicine, Baltimore, MD
Background/Purpose: Sporadic Inclusion Body Myositis (IBM) is the most common myopathy over the age of 50 and is currently refractory to treatment. The pathogenesis of…
Abstract Number: 0560 • ACR Convergence 2022
IL-17 Regulates Apolipoprotein E in Lymph Node Stromal Cells During Infection and Autoimmunity
Catherine Poholek¹ and Mandy McGeachy², ¹UPM Children's Hospital of Pittsburgh/University of Pittsburgh, Pittsburgh, PA, ²University of Pittsburgh, Pittsburgh, PA
Background/Purpose: Autoimmune disease (AID) resulting from a dysregulated immune response is associated with substantial morbidity and mortality, largely driven by cardiovascular disease (CVD)/atherosclerosis and dyslipidemia.…
Abstract Number: 0592 • ACR Convergence 2022
Autoantibodies Targeting Malondialdehyde-modifications Are Potential Mediators of Inflammation and Bone Loss in RA, Acting via Macrophage and Osteoclast Regulatory Pathways
Jitong Sun¹, Koji Sakuraba², Akilan Krishnamurthy³, Xiaowei Zheng³, Marcelo Gomes Afonso³, Cheng Xu³, Bing Peng³, Per-Johan Jakobsson³, Marianne Engström³, Fredrik Wermeling³, Sergiu Catrina³, Caroline Grönwall³, Anca Catrina³ and Bence Réthi³, ¹Karolinska Institutet, Solna, Sweden, ²Karolinska Institutet and Karolinska University Hospital, Fukuoka, Japan, ³Karolinska Institutet, Stockholm, Sweden
Background/Purpose: Proteins subjected to post-translational modifications, such as citrullination, carbamylation, acetylation, malondialdehyde (MDA) or malondialdehyde/acetaldehyde (MDA/MAA) modification are targeted by autoantibodies in seropositive rheumatoid arthritis…
Abstract Number: 0649 • ACR Convergence 2022
Phosphofructokinase P Fine-Tunes T Regulatory Cell Metabolism, Function and Stability in Systemic Autoimmunity
Marc Scherlinger¹, Wenliang Pan², Ryo Hisada¹, Milena Vukelic³, Masataka Umeda¹, Afroditi Boulougoura², Maria Tsokos¹ and George Tsokos², ¹BIDMC Harvard University, Boston, MA, ²Division of Rheumatology and Clinical Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, ³Albert Einstein College of Medicine, New York, NY
Background/Purpose: Systemic lupus erythematosus (SLE) is characterized by a defective T regulatory (Treg) cell compartment which participate in immune dysregulation. Although the underlying mechanism are…
Abstract Number: 0660 • ACR Convergence 2022
Serum Proteins and Metabolites Differ in SLE Patients with Coronary Microvascular Dysfunction (CMD) as Determined by Cardiac MRI Compared to SLE Patients Without CMD – a Pilot Study
Audrey Hagiwara¹, Moumita Bose¹, Aleksandr Stotland¹, Aleksandra Binek¹, Koen Raedschelders¹, Janet Wei¹, C. Noel Bairey Merz¹, Sarah Parker¹, Jennifer Van Eyk¹, Daniel Wallace¹, Mariko Ishimori² and Caroline Jefferies¹, ¹Cedars-Sinai Medical Center, Los Angeles, CA, ²Cedars-Sinai Health System, Los Angeles, CA
Background/Purpose: Cardiovascular disease (CVD) is a significant cause of mortality in patients with SLE. While obstructive coronary artery disease (CAD) is a leading cause of…
Abstract Number: 0690 • ACR Convergence 2022
The Physiological Ketone Body Beta-Hydroxybutyrate Potently Neutralizes APS-Associated NETosis
Ajay Tambralli¹, Alyssa Harbaugh¹, Christine Rysenga¹, Kaitlyn Sabb¹, Srilakshmi Yalavarthi¹, Claire Hoy¹, Yu (Ray) Zuo¹ and Jason S Knight², ¹University of Michigan, Ann Arbor, MI, ²University of Michigan, Division of Rheumatology, Ann Arbor, MI
Background/Purpose: Malleable metabolic pathways guide both productive and pathological neutrophil functions, including neutrophil extracellular trap release (NETosis). NETosis plays an important role in APS pathophysiology.…
Abstract Number: 1157 • ACR Convergence 2022
Bacterial Indole Associated with Spondyloarthritis-Related Dysbiosis Contributes to Enhanced Th17 Immunity
Brenda Seymour¹, Brandon Trent², Brendan Allen³, Adam Berlinberg¹ and Kristi Kuhn³, ¹University of Colorado Anschutz Medical Campus, Denver, CO, ²University of Colorado Anschutz Medical Campus, Eugene, OR, ³University of Colorado Anschutz Medical Campus, Aurora, CO
Background/Purpose: While intestinal dysbiosis and the Th17 pathway are linked to the pathophysiology of spondyloarthritis (SpA), the mechanisms by which this occurs are unknown. We…
Abstract Number: 1415 • ACR Convergence 2022
Different Bioactive Lipid Profile Predicts Response to TNF or IL6 Inhibitors in Rheumatoid Arthritis: Result of the CorEvitas CERTAIN Comparative Effectiveness Study
Mona Alotaibi¹, Roxana Coras², Dimitrios Pappas³, Ted Mikuls⁴, Joel Kremer⁵, Geoffrey Thiele⁶, mohit jain¹ and Monica Guma⁷, ¹Department of Medicine, School of Medicine, University of California San Diego, San Diego, CA, ²University of California San Diego, San Diego, CA, ³CorEvitas, LLC, Waltham, MA, ⁴Division of Rheumatology, University of Nebraska Medical Center, Omaha, NE, ⁵The Corrona Research Foundation, Delray Beach, FL, ⁶University of Nebraska Medical Center, Omaha, NE, ⁷UCSD, La Jolla, CA
Background/Purpose: Circulating bioactive lipids can provide information about the pathogenesis of specific diseases and potentially help predict therapeutic response. Choosing the right biological therapy earlier…

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