Abstracts tagged "B cells"

Abstract Number: 60 • 2019 ACR/ARP Annual Meeting
mTORC1-phosphorylated CXCR3+memory B Cells and Their Potential as a New Mode of Action of TNF Inhibitors in RA
Shigeru Iwata¹, Mingzeng Zhang ¹, Maiko Hajime ¹, Naoaki Ohkubo ¹, Yukihiro Kitanaga ¹, Gulzhan Trimova ¹, Kazuhisa Nakano ², Shingo Nakayamada ¹, Kaoru Yamagata ¹, Kei Sakata ¹ and Yoshiya Tanaka ³, ¹The First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan, Kitakyushu, Japan, ²The First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan, Kitakyushu, ³University of Occupational and Environmental Health Japan, Kitakyushu, Japan
Background/Purpose: B cells play a crucial role through producing autoantibodies and activating osteoclasts in synovium in rheumatoid arthritis (RA). Recently “Immunometabolism” attract much attention, and…
Abstract Number: 880 • 2019 ACR/ARP Annual Meeting
Diseased Lupus Nephritis Kidneys Serve as a Primary Site of Systemic Autoimmune Development
Matthew Woodruff¹, Christopher Tipton ¹, Jennifer Hom ¹ and Iñaki Sanz ¹, ¹Emory University, Atlanta, GA
Background/Purpose: Lupus nephritis (LN) is an autoimmune destruction of the kidney glomeruli and loss of kidney function affecting almost half of lupus patients. Although the…
Abstract Number: 883 • 2019 ACR/ARP Annual Meeting
B Cell-specific MyD88 Regulates Pathology After Disease Onset in Murine Lupus
Jeremy Tilstra¹, Minjung Kim ¹, Claire Leibler ¹ and Mark Shlomchik ¹, ¹University of Pittsburgh, Pittsburgh, PA
Background/Purpose: Systemic lupus erythematosus (SLE) is a complex autoimmune disease defined by immune dysregulation, antibody formation, followed by end-organ damage. MyD88 is a central immune…
Abstract Number: 8 • 2018 ACR/ARHP Annual Meeting
Repertoire Studies in Rheumatoid Arthritis Reveal B-Cell Distortions and Baseline Shifts in Unmutated IgG
Yan Wang¹, Katy A. Lloyd², Sunithi Gunasekera³, Camilla Eriksson³, Daniel Ramsköld², Karin Lundberg⁴, Per-Johan Jakobsson¹, Ulf Göransson³, Vivianne Malmström¹ and Caroline Grönwall⁵, ¹Rheumatology Unit, Dept. of Medicine, Karolinska Institutet, Stockholm, Sweden, ²Rheumatology Unit, Dept of Medicine, Karolinska Institutet, Stockholm, Sweden, ³Division of Pharmacognosy, Dept. of Medicinal Chemistry, Uppsala University, Uppsala, Sweden, ⁴Rheumatology Unit, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden, ⁵Dep. of Medicine, Rheumatology Unit, Karolinska Institutet, Stockholm, Sweden
Background/Purpose: The immunological hallmark of rheumatoid arthritis (RA) is autoreactivity to citrullinated proteins and rheumatoid factor activity. Hence, the adaptive immune system and B cells…
Abstract Number: 41 • 2018 ACR/ARHP Annual Meeting
TAS5315, a Novel Bruton’s Tyrosine Kinase Inhibitor, Improves Bone Strength in Mouse Model for Rheumatoid Arthritis
Ryuusuke Kaneko, Fumihito Hosoi, Satoru Iguchi, Hiroaki Hayashi, Yohei Yoshiga, Yoshinori Nakachi, Daichi Akasaka, Kenji Tanaka, Teruhiro Utsugi, Eiji Sasaki and Yoshikazu Iwasawa, TAIHO PHARMACEUTICAL CO., LTD., Tsukuba, Japan
Background/Purpose: The erosions of bone and cartilage are a cardinal feature of rheumatoid arthritis (RA) and associated with disease severity and poor functional outcome. Although…
Abstract Number: 2055 • 2018 ACR/ARHP Annual Meeting
Laser Capture Microdissection to Interrogate B Cells in RA Synovial Tissue
Javier Rangel-Moreno¹, Nida Meednu², Andrew McDavid³, Linda Callahan⁴, V. Kaye Thomas⁴, Jennifer Albrecht², Edward F. DiCarlo⁵, Dana Orange⁶, Susan M. Goodman⁶, Laura T. Donlin⁷ and Jennifer Anolik², ¹Medicine- Allergy, Immunology, and Rheumatology, University of Rochester Medical Center, Rochester, NY, ²Medicine- Allergy, Immunology and Rheumatology, University of Rochester Medical Center, Rochester, NY, ³Biostatistics and Computational Biology, University of Rochester Medical Center, Rochester, NY, ⁴University of Rochester Medical Center, Rochester, NY, ⁵Laboratory Medicine, Hospital for Special Surgery, New York, NY, ⁶Hospital for Special Surgery, New York, NY, ⁷Arthritis and Tissue Degeneration Program and the David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY
Background/Purpose: Rheumatoid arthritis is an autoimmune disease characterized by immune cell infiltration in synovial tissue and progressive bone damage. B cells are abundant in the…
Abstract Number: 9 • 2018 ACR/ARHP Annual Meeting
Integration of Cytokine Profiles with Distinct B-Cell Functions Reveals a Specific Micro-Environmental Framework in Autoimmune Diseases
Quentin Simon¹, Alexis Grasseau², Bénédicte Rouvière², Laetitia Le Pottier², Divi Cornec³, Maria Orietta Borghi⁴, Rocio Aguilar Quesada⁵, Yves Renaudineau^2,6, Marta Alarcón-Riquelme⁷, Jacques-Olivier Pers¹ and Sophie Hillion^2,6, ¹U1227, Université de Brest, Inserm, Labex IGO, CHU de Brest, Brest, France, ²U1227, Lymphocytes B et Autoimmunité, Université de Brest, Inserm, Brest, France, ³Hopital La Cavale Blanche, Brest, France, ⁴University of Milan, IRCCS Istituto Auxologico Italiano, Milan, Italy, ⁵Biobanco Del Sistema Sanitario Publico de Andalucía, Sevilla, Spain, ⁶CHU de Brest, Brest, France, ⁷Medical Genomics, Center for Genomics and Oncological Research (GENYO), Granada, Spain
Background/Purpose: The functional duality of B cells is central to balance immune homeostasis by regulating or promoting the immune response. However, the mechanisms by which…
Abstract Number: 108 • 2018 ACR/ARHP Annual Meeting
Sex-Specific Expression of CXorf21 Provide Molecular Explanation for the Fundamental Difference in Male and Female Immune Response: An Explanation for Female-Bias SLE Pathogenesis
R. Hal Scofield¹, Valerie M Harris², Biji T. Kurien³ and Kristi A. Koelsch⁴, ¹Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, ²Oklahoma Medical Research Foundation, Oklahoma City, OK, ³University of Oklahoma Health Sciences Center, Oklahoma City, OK, ⁴Section of Endocrinology and Diabetes, University of Oklahoma Health Sciences Center, Okalahoma City, OK
Background/Purpose: Systemic lupus erythematosus (SLE) is complex autoimmune disorders characterized by B cell hyperactivity resulting in autoantibody and cytokine production. Approximately 90% of patients are…
Abstract Number: 2077 • 2018 ACR/ARHP Annual Meeting
Pathological Osteogenesis and Inflammation in Experimental Spondyloarthritis Are Associated with Aberrant Type H Blood Vessels and Development of High Endothelial Venules Accompanied By Ectopic Lymphoid Structures in Bone Marrow
Merlijn Kaaij¹, Jan Piet van Hamburg², George Kollias³, Dominique Baeten¹, Leonie van Duivenvoorde¹ and Sander W. Tas², ¹Department of Clinical Immunology & Rheumatology and Department of Experimental Immunology, Academic Medical Center, University of Amsterdam, Amsterdam, Netherlands, ²Amsterdam Rheumatology & immunology Center | Department of Experimental Immunology, Academic Medical Center, University of Amsterdam, Amsterdam, Netherlands, ³Department of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
Background/Purpose: Spondyloarthritis (SpA) is characterized by pathological osteogenesis, inflammation and extensive angiogenesis in inflamed tissues. TNF plays a central role in SpA pathology and transgenic…
Abstract Number: 10 • 2018 ACR/ARHP Annual Meeting
Fibroblast like Synoviocytes (FLS) Are Capable of Inducing Phenotypical Changes Including Class Switch Recombination (CSR) in Naive B Cells, but Additional Factors Are Required to Trigger Immunoglobulin Secretion
Dennis Bleck¹, Torsten Lowin², Matthias Schneider³ and Georg Pongratz⁴, ¹Rheumatology Policlinic & Hiller Research Unit, Medical Faculty, University Hospital, Heinrich-Heine University Duesseldorf, Duesseldorf, Germany, ²Department and Hiller Research Center for Rheumatology, University Hospital Duesseldorf, Duesseldorf, Germany, ³Department and Hiller Research Center for Rheumatology, Heinrich-Heine University, Duesseldorf, Germany, ⁴Dpt. of Rheumatology - Hiller Research Center Rheumatology, University Hospital Duesseldorf, Duesseldorf, Germany
Background/Purpose: Rheumatoid Arthritis (RA) is a disease characterized by chronic inflammation of the synovial tissue in joints. It is driven by highly activated B cells.…
Abstract Number: 111 • 2018 ACR/ARHP Annual Meeting
BAFF Inhibition Attenuates Fibrosis in Bleomycin-Induced Scleroderma Model Via Modulating the Regulatory and Effector B-Cell Balance
Takashi Matsushita¹, Tadahiro Kobayashi², Yasuhito Hamaguchi², Minoru Hasegawa³, Manabu Fujimoto⁴ and Kazuhiko Takehara¹, ¹Kanazawa University, Department of Dermatology, Kanazawa, Japan, ²Department of Dermatology, Kanazawa University, Kanazawa, Japan, ³University of Fukui, Department of Dermatology, Fukui, Japan, ⁴University of Tsukuba, Faculty of Medicine, Department of Dermatology, Tsukuba, Japan
Background/Purpose: Systemic sclerosis (SSc) is an autoimmune disease characterized by skin and lung fibrosis. Over 90% of patients with SSc are positive for autoantibodies. In…
Abstract Number: 2099 • 2018 ACR/ARHP Annual Meeting
Bruton’s Tyrosine Kinase (BTK) Inhibition Modulates Multiple Cell Types Instrumental in the Pathogenesis of Lupus Nephritis
Samantha Chalmers¹, Sayra Garcia¹, Elliott Klein², Jay S. Fine², Gerald Nabozny³, Meera Ramanujam² and Chaim Putterman⁴, ¹Albert Einstein College of Medicine, Bronx, NY, ²Boehringer Ingelheim Pharmaceuticals Inc., Ridgefield, CT, ³[email protected], Boehringer Ingelheim Pharmaceuticals Inc., Ridgefield, CT, ⁴Division of Rheumatology, Albert Einstein College of Medicine, Bronx, NY, USA, Bronx, NY
Background/Purpose: Lupus nephritis (LN) is a serious manifestation of systemic lupus erythematosus (SLE) that adds substantial morbidity and mortality. Passive transfer of pre-formed nephritogenic antibodies…
Abstract Number: 13 • 2018 ACR/ARHP Annual Meeting
Shared Genetic Origins Among Anti-Proteinase 3 and Anti-Glomerular Basement Membrane Double-Positive Human Autoantibodies
Jeffrey R. Ord¹, Amy G. Clark¹ and Mary H. Foster², ¹Duke University Medical Center, Durham, NC, ²Medicine, Duke University Medical Center, Durham, NC
Background/Purpose: Patients with ANCA vasculitis and anti-glomerular basement membrane (GBM) nephritis (Goodpasture’s Disease) develop pathogenic autoantibodies (autoAb) that destroy the microvasculature in lungs and kidneys.…
Abstract Number: 534 • 2018 ACR/ARHP Annual Meeting
Increased Insulin Resistance and Impaired Beta-Cell Function in Patients with Rheumatoid Arthritis: The Role of Glucocorticoid Therapy?
Gorica Ristic¹, Vesna Subota², Dejana Stanisavljevic³, Branislava Glisic¹, Milan Petronijevic¹ and Dusan Stefanovic¹, ¹Department of Rheumatology and Clinical Immunology, Military Medical Academy, Belgrade, Serbia, ²Institute of Medical Biochemistry, Military Medical Academy, Belgrade, Serbia, ³Institute of Medical Statistics, Belgrade University School of Medicine, Belgrade, Serbia
Background/Purpose: Increased insulin resistance and impaired β-cell function have been demonstrated in rheumatoid arthritis (RA). The aim of the study was to analyze the association…
Abstract Number: 2288 • 2018 ACR/ARHP Annual Meeting
Preexisting Anti-Acetylcholine Receptor Autoantibodies and B Cell Lymphopenia Are Associated with the Development of Myositis in Thymoma Patients Treated with Avelumab, an Immune Checkpoint Inhibitor Targeting Programmed Death-Ligand 1
Andrew Mammen¹, Arun Rajan², Katherine Pak¹, Tanya Lehky³, Livia Casciola-Rosen⁴, Renee Donahue², Lauren Lepone², Anastasia Zekeridou⁵, Sean Pittock⁵, Raffit Hassan², Jeffrey Schlom² and James Gulley², ¹National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, ²NCI, NIH, Bethesda, MD, ³NINDS, NIH, Bethesda, MD, ⁴Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, ⁵Neurology, Mayo Clinic, Rochester, MN
Background/Purpose: Immune checkpoint inhibitors (ICIs) enhance the immune response against tumors but may also trigger immune-related adverse events (IRAEs). Myositis following receipt of ICIs is…

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