Abstracts tagged "cytokines"

Abstract Number: L07 • ACR Convergence 2020
Tocilizumab for COVID-19 Infection: A Randomized, Double-Blind, Placebo-Controlled Trial
John Stone¹, ¹Massachusetts General Hospital, Boston, MA
Background/Purpose: The efficacy of interleukin-6 receptor blockade in hospitalized COVID-19 patients not on mechanical ventilation is unclear.Methods: We performed a randomized, double-blind, placebo-controlled trial in…
Abstract Number: 0290 • ACR Convergence 2020
Role of Protein Tyrosine Phosphatase 1B (PTP1B) in Endothelial-to-Mesenchymal Transition (EndoMT) Promoted by Inflammation: Implications for SLE
Jorge Romo-Tena¹, José Esparza-López², Carmelo Carmona-Rivera³, Luz Blanco⁴, Mariana Kaplan³ and María de Jesús Ibarra-Sánchez², ¹NIAMS, National Institute of Health, Bethesda, ²INNSZ / UNAM-RAI, Mexico City, Mexico, ³National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, MD, ⁴National Institute of Arthritis and Musculoskeletal and Skin Diseases, Centreville
Background/Purpose: The endothelial-to-mesenchymal transition (EndoMT) transdifferentiation process can be promoted by several proinflammatory mediators in many pathological conditions. Recently, it was suggested a crucial role…
Abstract Number: 1063 • ACR Convergence 2020
Spirulina Stimulates Inflammatory Cytokine Production Through the STING and TLR Pathways in Dermatomyositis in Vitro
Christina Bax¹, Yubin Li¹, Spandana Maddukuri², Adarsh Ravishankar³, Jay Patel³, Daisy Yan¹, Josef Symon Concha¹ and Victoria Werth¹, ¹University of Pennsylvania and the Michael J. Crescenz VA Medical Center, Philadelphia, PA, ²University of Pennsylvania and the Michael J. Crescenz VA Medical Center, Montville, NJ, ³University of Pennsylvania and the Michael J. Crescenz VA Medical Center, Philadelphia
Background/Purpose: Spirulina, a popular herbal supplement, stimulates the immune system, as determined by in vitro and in vivo studies. Our recent epidemiologic data suggest that Spirulina…
Abstract Number: 1532 • ACR Convergence 2020
The Non-psychotropic Phytocannabinoids Cannabigerol and Tetrahydrocannabinolic Acid Inhibit Rheumatoid Arthritis Synovial Fibroblast Function by Targeting the Wasabi Receptor TRPA1
Torsten Lowin¹, Matthias Schneider² and Georg Pongratz³, ¹Department of Rheumatology and Hiller Research Unit Rheumatology, Heinrich Heine University, Duesseldorf, Germany, Düsseldorf, Germany, ²Department of Rheumatology and Hiller Research Unit Rheumatology, Heinrich Heine University, Duesseldorf, Germany, Duesseldorf, Germany, ³Department of Rheumatology and Hiller Research Unit Rheumatology, Heinrich Heine University, Duesseldorf, Germany, D�sseldorf, Germany
Background/Purpose: While medical cannabis is available for german patients since 2017, its use to alleviate symptoms of rheumatic diseases is not recommended due to a…
Abstract Number: 0292 • ACR Convergence 2020
Exhausted pSTAT5-IFNα Signaling Pathways in SLE Patients Are Correlated with Age-associated B Cells and Disease Activity
Samantha Slight-Webb¹, Miles Smith², Kevin Thomas¹, Susan Macwana¹, Holden Maecker³, Paul Utz⁴, Judith James⁵ and Joel Guthridge¹, ¹Oklahoma Medical Research Foundation, Oklahoma City, OK, ²Oklahoma Medical Research Foundation, Oklahoma City, ³Institute for Immunity, Transplantation and Infection, Stanford University School of Medicine, Stanford, CA, ⁴Stanford University School of Medicine, Stanford, CA, ⁵Arthritis and Clinical Immunology Research Program, Oklahoma Medical Research Foundation;Department of Pathology, University of Oklahoma Health Sciences Center;Department of Medicine, University of Oklahoma Health Sciences Center, Edmond, OK
Background/Purpose: Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by periods of elevated and suppressed clinical symptoms. Specific cell subsets, such as CD11c+ age-associated…
Abstract Number: 1087 • ACR Convergence 2020
Plasma-derived Extracellular Vesicles Induced STING-mediated Proinflammatory Effects in Dermatomyositis
Yubin Li¹, Christina Bax², Jay Patel³, Adarsh Ravishankar³, Krisha Desai⁴, Majid Zeidi⁴, Muhammad Bashir⁴ and Victoria Werth¹, ¹University of Pennsylvania and the Michael J. Crescenz VA Medical Center, Philadelphia, PA, ²University of Pennsylvania, Department of Dermatology, Philadelphia, ³University of Pennsylvania and the Michael J. Crescenz VA Medical Center, Philadelphia, ⁴University of Pennsylvania, Philadelphia
Background/Purpose: Dermatomyositis (DM) is an acquired inflammatory myopathy characterized by chronic skin inflammation. The pathogenesis of DM is still unclear. Extracellular vesicles (EVs) are lipid…
Abstract Number: 1634 • ACR Convergence 2020
Etiologies and Management of Hemophagocytic Lymphohistiocytosis: Is It Time for an Updated Protocol and Targeted Treatments?
Therese Posas-Mendoza¹, Cara McLeod¹, William Davis² and Robert Quinet², ¹Ochsner Medical Center, New Orleans, LA, ²Dept of Rheumatology, Ochsner Medical Center, New Orleans, LA
Background/Purpose: Hemophagocytic lymphohistiocytosis (HLH) is a rare life-threatening disease characterized by immune-overstimulation and a hyperinflammatory response resulting in cytokine storm and multi-organ failure.1 Secondary HLH…
Abstract Number: 0300 • ACR Convergence 2020
Exposure to Topical Antimicrobials Reduces Inflammatory Gene Expression in Cutaneous Lupus Lesional Skin
Sirisha Sirobhushanam¹, Allison Billi², Alex Tsoi², Celine Berthier², Johann Gudjonsson³ and J. Michelle Kahlenberg⁴, ¹University of Michigan, Ann Arbor, MI, ²University of Michigan, Ann Arbor, ³University of Michigan, Ann ArborUniversity of Michigan, ⁴Division of Rheumatology, University of Michigan, Ann Arbor, MI
Background/Purpose: Lupus lesional skin has elevated interferon expression, is highly colonized with Staphylococcus aureus (50%) and has no FDA-approved treatment options. S. aureus is known…
Abstract Number: 1209 • ACR Convergence 2020
The Strength of IL-6/STAT3 Signal Inhibition by SAR S.c q2w Showed Significantly Higher Level Than That of TCZ S.c q2w but Lower Than TCZ S.c q1w
Shuntaro Saito¹, Katsuya Suzuki², Keiko Yoshimoto², Yasushi Kondo², Jun Kikuchi², Kotaro Otomo², Hironari Hanaoka², Yuko Kaneko² and Tsutomu Takeuchi³, ¹Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Shinjuku-ku, Tokyo, Japan, ²Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan, ³Division of Rheumatology, Department of internal Medicine, School of Medicine, Keio University, Tokyo, Japan
Background/Purpose: Interleukin-6 (IL-6) is a key cytokine in the pathogenesis of rheumatoid arthritis (RA). Tocilizumab (TCZ) and Sarilumab (SAR) are monoclonal antibodies that bind to…
Abstract Number: 1803 • ACR Convergence 2020
Ability of Innate, Adaptive, and TNF-Superfamily Immune Pathways to Characterize Disease Activity and Inform a Refined Lupus Disease Activity Immune in a Confirmatory Cohort of SLE Patients
Melissa Munroe¹, Wade DeJager², Susan Macwana², Ly Tran², Joel Guthridge², Eldon Jupe³, Daniele DeFreese³, Ryan Newhardt³, Mohan Purushothaman³, Sanjiv Sharma³, Nancy Redinger², Teresa Aberle², Stan Kamp², Cristina Arriens², Eliza Chakravarty², Joan Merrill⁴ and Judith James⁵, ¹Oklahoma Medical Research Foundation/Progentec Diagnostics, Inc., Oklahoma City, OK, ²Oklahoma Medical Research Foundation, Oklahoma City, OK, ³Progentec Diagnostics, Inc., Oklahoma City, OK, ⁴Oklahoma Medical Research Foundation, Oklahoma City, ⁵Arthritis and Clinical Immunology Research Program, Oklahoma Medical Research Foundation;Department of Pathology, University of Oklahoma Health Sciences Center;Department of Medicine, University of Oklahoma Health Sciences Center, Edmond, OK
Background/Purpose: Systemic lupus erythematosus (SLE) is a chronic autoimmune disease driven by complex immune dysregulation, involving altered immune mediators and accumulation of autoantibody (AutoAb) specificities.…
Abstract Number: 0458 • ACR Convergence 2020
Rapid Implementation of a Multidisciplinary COVID-19 Cytokine Storm Syndrome Task Force
Bibi Ayesha¹, Anand Kumthekar¹, Ruchi Jain², Sneha Patel³, Manish Ramesh¹, Denisa Ferastraoaru⁴, Golda Hudes⁴, Merhunisa Karagic⁴, Sheema Zafar¹, Rachel Bartash⁴, Natalia Vasquez-Canizares⁵, Elizabeth Kitsis⁶, Clement Tagoe⁷, Dawn Wahezi⁵, Tamar Rubinstein⁸ and Anna Broder³, ¹Montefiore Medical Center, Bronx, NY, ²Montefiore Medical Center, Irvington, NY, ³Albert Einstein College of Medicine/Montefiore Medical Center, Bronx, NY, ⁴Montefiore Medical Center, Bronx, ⁵Albert Einstein College of Medicine, Bronx, NY, ⁶Albert Einstein College of Medicine, New York, NY, ⁷Albert Einstein College of Medicine, Fresh Meadows, NY, ⁸Albert Einstein College of Medicine / Montefiore Medical Center, White Plains, NY
Background/Purpose: Coronavirus disease (COVID-19) infected patients present with a state of ongoing inflammation and an exaggerated inflammatory state due to unregulated cytokine release called the…
Abstract Number: 1217 • ACR Convergence 2020
Effects of JAK Inhibitors Against JAK2-mediated Signaling in Innate Immune Cells
Yuya Fujita¹, Naoki Matsuoka¹, Makiko Furuya-Yashiro², Jumpei Temmoku², Yuki Kuroiwa³, Masaru Tanaka⁴, Tomoyuki Asano², Shuzo Sato⁵, Haruki Matsumoto², Hiroshi Watanabe², Hideko Kuzuru⁶, Hiroshi Yatsuhashi⁷, Atsushi Kawakami⁸ and Kiyoshi Migita⁹, ¹Fukushima Medical University School of Medicine, Department of Rheumatology, Fukushima, Fukushima, Japan, ²Fukushima Medical University School of Medicine, Department of Rheumatology, Fukushima, Japan, ³Eli Lilly Japan K.K., Tokyo, ⁴Eli Lilly Japan K.K., Tokyo, Japan, ⁵Fukushima Medical University School of Medicine, Department of Rheumatology, Fukushima, Japan, ⁶NHO Nagasaki Medical Center, Clinical Research Center, Omura, Japan, ⁷NHO Nagasaki Medical Center, Clinical Research Center, Omura, Nagasaki, Japan, ⁸Nagasaki University Graduate School of Biomedical Sciences, Unit of Advanced Preventive Medical Sciences, Department of Immunology and Rheumatology, Nagasaki, Nagasaki, Japan, ⁹Fukushima Medical University School of Medicine, Department of Rheumatology, Fukushima, Fukushima, Japan
Background/Purpose: Janus kinase (JAK) family is comprised of JAK1, JAK2, JAK3 and tyrosine kinase 2 (TYK2). JAKs form homo- or hetero-complexes, the combination of which…
Abstract Number: 1809 • ACR Convergence 2020
Serum Cytokine Profiling in Systemic Lupus Erythematosus, Analysed Using Unsupervised Machine Learning, Reveals Clinically Relevant Clusters
Fabien Vincent¹, Jannina Ong¹, Alberta Hoi², Sarah Boyd¹, Hieu Nim¹ and Eric Morand³, ¹Monash University, Clayton, Victoria, Australia, ²Monash University, Melbourne, Victoria, Australia, ³Medicine, School of Clinical Sciences at Monash Health, Monash University, Melbourne, Australia
Background/Purpose: SLE is a heterogeneous disease, where a better understanding of molecular differences between patients is needed in order to direct therapy. Existing approaches generally…
Abstract Number: 0473 • ACR Convergence 2020
Characterization of DOCK8 as a Novel Gene Associated with Cytokine Storm Syndrome
Mingce Zhang¹, Remy Cron², Devin Absher³, Prescott Atkinson¹, Winn Chatham¹ and Randy Cron¹, ¹University of Alabama at Birmingham, Birmingham, AL, ²University of Alabama at Birmingham, Birmingham, ³HudsonAlpha Institute for Biotechnology, Huntsville, AL
Background/Purpose: Cytokine storm syndrome (CSS), also known as macrophage activation syndrome (MAS) or secondary hemophagocytic lymphohistiocytosis (HLH), is a life threatening condition that commonly presents…
Abstract Number: 1225 • ACR Convergence 2020
Targeting to IL-6 or Specific JAKs for RA Treatment: Seeking a Rationale for Switching Each Other If One of These Treatments Resulted in Lack of Efficacy
Yoshinobu Koyama¹, Yoshiharu Sato², Hiroshi Iijima², Moe Sakamoto³ and Toshie Higuchi³, ¹Okayama Red Cross Hospital, Japanese Red Cross Society, Okayama, Japan, ²DNA Chip Research Inc, Tokyo, Japan, ³Division of Rheumatology, Okayama Red Cross Hospital, Japanese Red Cross Society, Okayama, Japan
Background/Purpose: Inhibition of IL-6 signaling is one of the most established strategies for RA treatment. Tocilizumab (TCZ) is the pioneer which blocks IL-6 signaling by…

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