Abstracts tagged "Muscle Biology"

Abstract Number: 0252 • ACR Convergence 2022
Mitochondrial Content in Skeletal Muscle of Individuals with Rheumatoid Arthritis Is Associated with Physical Activity Level
Beatriz Hanaoka¹, Jason Benedict¹, Guy Brock¹, Jillian Johnson¹, Peter Reiser¹, Kelley Smith-Johnston², Melissa Sammy³ and Douglas Moellering³, ¹The Ohio State University, Columbus, OH, ²University of Alabama at Birmingham, Birmigham, AL, ³University of Alabama at Birmingham, Birmingham, AL
Background/Purpose: Rheumatoid arthritis (RA) is a systemic autoimmune disease associated with a high prevalence of insulin resistance. Skeletal muscle is the major contributor to peripheral…
Abstract Number: 1883 • ACR Convergence 2022
Auto-antibodies Targeting Membrane Repair Proteins Enhances Myositis Phenotype
Shane Bruckner¹, Kassidy Banford², hannah Bulgart², Kevin mcElhanon³, Rohit Aggarwal⁴, Chester Oddis⁵, Noah Weisleder¹ and Wael Jarjour¹, ¹The Ohio State University, Columbus, OH, ²The Ohio State University Wexner Medical Center, Columbus, OH, ³Pfizer Inc., Cambridge, MA, ⁴Division of Rheumatology and Clinical Immunology, Department of Medicine, University of Pittsburgh, Pittsburgh, PA, ⁵University of Pittsburgh, Pittsburgh, PA
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are a group of disorders in which autoimmune responses produce a chronic state of inflammation resulting in degeneration of skeletal…
Abstract Number: 0425 • ACR Convergence 2021
Diagnostic Accuracy of Muscle MRI for Muscular Vasculitis in Anti-neutrophil Cytoplasmic Antibody-associated Vasculitis: A Pilot Study
Ryuta Inaba, Daisuke Waki, Keisuke Nishimura, Tomohiro Yoshida, Kaoru Mizukawa, Shintaro Yamamoto, Osamu Iri, Kohei Yo and Hiroyuki Murabe, Department of Endocrinology and Rheumatology, Kurashiki Central Hospital, Kurashiki, Japan
Background/Purpose: Histopathologic confirmation is the golden standard for diagnosis of anti-neutrophil cytoplasmic antibody-associated vasculitis (AAV), but sometimes can be difficult because of its invasion (e.g.…
Abstract Number: 1089 • ACR Convergence 2020
Intermuscular Adipose Tissue in Patients with Systemic Lupus Erythematosus
Jorge Gamboa¹, Daniel Carranza Leon¹, Rachelle Crescenzi¹, Adriana Marton², Annette Oeser¹, Cecilia Chung¹, Jens Titze², Michelle Ormseth¹ and C. Michael Stein¹, ¹Vanderbilt University Medical Center, Nashville, TN, ²Duke NUS Medical School, Singapore, Singapore
Background/Purpose: Patients with systemic lupus erythematosus (SLE) have reduced physical activity and frequently complain of fatigue. Exercise reduces fatigue in patients with SLE; however, the…
Abstract Number: 1093 • ACR Convergence 2020
Impact of Blood Flow Restricted Strength Training on Myogenic Stem Cells and Myofiber Hypertrophy in Sporadic Inclusion Body Myositis Patients
Kasper Yde Jensen¹, Henrik Daa Schrøder², Jakob Nielsen³, Mikkel Jacobsen³, Eleanor Boyle³, Anders Nørkær Jørgensen³, Rune Dueholm Bech⁴, Per Aagaard³ and Louise Pyndt Diederichsen¹, ¹Copenhagen University Hospital - Rigshospitalet, Copenhagen, Denmark, ²Odense University Hospital, Odense, Denmark, ³University of Southern Denmark - Odense, Odense, Denmark, ⁴Zealand University Hospital, Copenhagen, Denmark
Background/Purpose: Sporadic inclusion body myositis (sIBM) is clinically characterised by marked progressive muscle weakness and impaired physical function. Physical training has become an area of…
Abstract Number: 1757 • ACR Convergence 2020
High-Intensity Interval Training Increases Rheumatoid Arthritis Cardiorespiratory Fitness in Association with Improvements in CD4+ T Cell and Skeletal Muscle Mitochondrial Metabolism
Brian Andonian¹, David Bartlett¹, Alec Koss¹, Deborah Muoio¹, Timothy Koves¹, Eugene St Clair¹, Elizabeth Hauser¹, William Kraus¹ and Kim Huffman¹, ¹Duke University, Durham, NC
Background/Purpose: Persons with rheumatoid arthritis (RA) have poor cardiorespiratory fitness and are at increased risk for cardiometabolic co-morbidities. Endurance exercise training improves cardiorespiratory fitness in…