Abstracts tagged "innate immunity"

Abstract Number: 2092 • 2016 ACR/ARHP Annual Meeting
Plasma Soluble Triggering Receptor Expressed on Myeloid Cells-1 Is Elevated in Patients with Thrombotic Primary Antiphospholipid Syndrome.
Yair Molad^1,2, Yonatan Edel^3,4, Yael Pri-Paz Basson⁵, Elisheva Pokroy-Shapira⁶, Shirly Oren⁵, Ariela Dortort⁵ and Vitaly Kliminski^4,7, ¹Rheumatology Unit, Rheumatology Unit, Beilinson Hospital, Rabin Medical Center, Petah Tikva, Israel, ²Laboratory of Inflammation Research, Felsenstein Medical Research Center, Sackler Faculty of Medicine, Tel Aviv University, Petach Tikva, Israel, ³Department of Medicine C, Beilinson Hospital, Rabib Medical Center, Petach Tikva, Israel, ⁴Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel, ⁵Rheumatology Unit, Beilinson Hospital, Rabin Medical Center, Petach Tikva, Israel, ⁶Rheumatology Unit, Beilinson Hospital, Rabin Medical Center, Petah Tikva, Israel, ⁷Laboratory of Inflammation Research, Felsenstein Medical Research Center, Rabin Medical Center, Petach Tikva, Israel
Background/Purpose : Primary antiphospholipid syndrome (PAPS) is characterized by thrombotic and/or obstetrical morbidity in the presence of persistent antiphospholipid antibodies (APLA) and in the absence…
Abstract Number: 2408 • 2016 ACR/ARHP Annual Meeting
Severe Juvenile Arthritis Associated with a De Novo Gain-of-Function Germline Mutation in MYD88
Keith A. Sikora¹, Joshua R. Bennett¹, Zuoming Deng², Wanxia Li Tsai³, April Brundidge³, Fatemeh Navid³, Gerlinde Layh-Schmitt³, Eric Hanson³, Massimo G. Gadina⁴, Louis M. Staudt⁵, Thomas A. Griffin⁶ and Robert A. Colbert³, ¹Pediatric Translational Research Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, ²Biodata Mining & Discovery, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, ³National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, ⁴Translational Immunology Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, ⁵National Cancer Institute, National Institutes of Health, Bethesda, MD, ⁶Levine Children’s Hospital at Carolinas Medical Center, Charlotte, NC
Background/Purpose: Myeloid differentiation primary response 88 (MyD88) is a critical adaptor protein that connects Toll-like and IL-1 receptor signaling to activation of NF-κB. Germline loss-of-function…
Abstract Number: 2791 • 2016 ACR/ARHP Annual Meeting
Targeting Micro-RNAs Derived from Extracellular Vesicles to Inhibit of TLR7 and TLR8 Signaling Suppresses Inflammation in a Novel Human-Mouse Chimeric Model of Systemic Lupus Erythematosus
Nicholas A. Young¹, Giancarlo R. Valiente², Holly Steigelman³, Jeffrey Hampton⁴ and Wael N. Jarjour⁵, ¹Immunology and Rheumatology, The Ohio State University Wexner Medical Center, Columbus, OH, ²Rheumatology & Immunology, The Ohio State University Wexner Medical Center, Columbus, OH, ³The Ohio State University, Columbus, OH, ⁴Immunology and Rheumatoloty, The Ohio State University Wexner Medical Center, Columbus, OH, ⁵Department of Rheumatology/Medicine, Ohio State University, Columbus, OH
Background/Purpose: Systemic lupus erythematosus (SLE) is a prototypic autoimmune disease displaying a heavy female predominance during reproductive years. We have previously shown that toll-like receptor…
Abstract Number: 2862 • 2016 ACR/ARHP Annual Meeting
Whole Blood Phenotyping and Innate and Adaptive Stimulation Reveal Unique Differences in Granulocytes and Innate Pathways of African American SLE Patients with Variable Disease Activity
Samantha Slight-Webb¹, Krista M. Bean¹, Joseph Kheir¹, Bolanle Adebayo¹, Holden T. Maecker², Paul J. Utz³, Judith A. James⁴ and Joel M. Guthridge⁵, ¹Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK, ²Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, ³Medicine, Stanford University School of Medicine, Stanford, CA, ⁴Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, ⁵Arthritis & Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK
Background/Purpose: Systemic lupus erythematosus (SLE) is a systemic autoimmune disorder characterized by periods of heightened disease activity. Disease flares significantly affect quality of life and…
Abstract Number: 2868 • 2016 ACR/ARHP Annual Meeting
NK Cell Characterization in Patients with Systemic Lupus Erythematosus: Increased Frequency of Ki67+ NK Cells Associated with Disease Activity and Type I Interferon Signature
Kelly Hudspeth¹, Shu Wang², Jingya Wang², Saifur Rahman², Michael Smith², Kerry Casey², Geoffrey Stephens³, Miguel Sanjuan², Autoimmunity Molecular Medicine group², Zerai G. Manna⁴, Sarfaraz Hasni⁴, Rachel Ettinger⁵ and Richard Siegel⁶, ¹Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, ²Respiratory, Inflammation, and Autoimmunity Group, MedImmune LLC, Gaithersburg, MD, ³Respiratory, Inflammatory, and Autoimmune Diseases Research, Medimmune, LLC, Gaithersburg, MD, ⁴National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, ⁵Respiratory, Inflammation and Autoimmunity (RIA), MedImmune, LLC, Gaithersburg, MD, ⁶Immunoregulation Section, Autoimmunity Branch and Office of the Clinical Director National Institute of Arthritis and Musculoskeletal and Skin Diseases, NIH, Bethesda, MD
Background/Purpose: Systemic Lupus Erythematosus (SLE) is a complex autoimmune disorder whose pathology appears to involve many immune cell types. While it is clear that autoantibody…
Abstract Number: 2996 • 2016 ACR/ARHP Annual Meeting
High Fat Diet-Induced Osteoarthritis Progression Is Dependent on Toll-like Receptor 4
Mary Beth Humphrey¹, Evangelia Kalaitzoglou², Camille Herron², Yanqing HU², Yao Fu³, Erika Barboza Prado Lopes³, Elise Donovan³, Joanna Hudson³ and Timothy Griffin³, ¹Medicine/Rheumatology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, ²Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, ³Aging and Metabolism, Oklahoma Medical Research Foundation, Oklahoma City, OK
Background/Purpose: Obesity is considered the primary preventable risk factor for OA, increasing the risk of developing OA in weight-bearing joints, especially the knee, as…
Abstract Number: 3038 • 2016 ACR/ARHP Annual Meeting
Enumeration and Preliminary Characterisation of Peri-Entheseal Bone Type 3 Innate Lymphoid Cells
Richard Cuthbert¹, Yasser El-Sherbiny¹, Evangelos M. Fragkakis¹, Robert Dunsmuir², Helena Marzo-Ortega³, Elena Jones¹ and Dennis McGonagle¹, ¹Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom, ²Department of Spinal Surgery, National Health Service, Leeds, United Kingdom, ³NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds Teaching Hospitals and University of Leeds, Leeds, United Kingdom
Background/Purpose: In an IL-23 overexpression animal model of spondyloarthropathy (SpA), primary entheseal disease is driven by innate like lymphocytes at peripheral and spinal enthesis with…
Abstract Number: 172 • 2016 ACR/ARHP Annual Meeting
S100A8/A9 Produced during Experimental Osteoarthritis Induces a Systemic Decrease in BM Monocytes and Increases Ly6C High Monocytes Locally in the Joint
Niels Cremers, Edwin Geven, Arjen Blom, Annet Sloetjes, Irene Di Ceglie, Stephanie van Dalen, Giuliana Ascone, Martijn van den Bosch and Peter van Lent, Experimental Rheumatology, Radboud university medical center, Nijmegen, Netherlands
Background/Purpose: In response to pro-inflammatory cytokines released locally during osteoarthritis (OA), such as the alarmins S100A8/A9, monocytes can be recruited from the bone marrow (BM)…
Abstract Number: 178 • 2016 ACR/ARHP Annual Meeting
Alpha-Enolase Promotes Pro-Inflammatory Phenotype of Monocytes-Derived Macrophages
Pascal Rottenberg^1,2, Manuel Fréret^1,2, Sébastien Calbo¹ and Olivier Vittecoq^1,2, ¹INSERM U905 & Normandy University, Institute for Research and Innovation in Biomedicine, Rouen, France, ²Rheumatology, Rouen University Hospital, Rouen, France
Background/Purpose: Monocytes of healthy donors were cultured with M-CSF (gcultured with ENO1, or control BSA, to investigate its effect on monocytes differentiation and macrophages polarization.…
Abstract Number: 185 • 2016 ACR/ARHP Annual Meeting
The Interferon Gene Signature Is Increased in Early DMARD Naive Rheumatoid Arthritis and Predicts a Poorer Response to Initial Therapy
Faye A H Cooles¹, Amy E. Anderson¹, Dennis W Lendrem¹, Julie Norris¹, Arthur G. Pratt¹, Catharien M U Hilkens² and John D Isaacs³, ¹Institute of Cellular Medicine, Newcastle University and National Institute for Health Research Newcastle Biomedical Research Centre at Newcastle upon Tyne Hospitals NHS Foundation Trust and Newcastle University, Newcastle upon Tyne, United Kingdom, ²Institute of Cellular Medicine, Newcastle University and National Institute for Health Research Newcastle Biomedical Research Centre at Newcastle upon Tyne Hospitals NHS Foundation Trust and Newcastle University, Newcastle Upon Tyne, United Kingdom, ³Institute of Cellular Medicine, Newcastle University and National Institute for Health Research Newcastle Biomedical Research Centre at Newcastle upon Tyne Hospitals NHS Foundation Trust and Newcastle University, Newcastle, United Kingdom
Background/Purpose: Type 1 interferons, such as interferon-α, are of increasing interest in autoimmunity due to their pleiotropic effects on the immune system. Approximately 20-30% of…
Abstract Number: 275 • 2016 ACR/ARHP Annual Meeting
In Vitro Activation of Type I Interferon Pathway Reproduces the Characteristics Damages Observed in Dermatomyositis Patients
Leandro Ladislau^1,2,3, Xavier Suárez-Calvet^1,4, Claudia Benjamin³, Ségolène Toquet¹, Benjamin Terrier⁵, Flore Rozenberg⁶, Vincent Mouly¹, Gillian Butler Browne⁷, Werner Stenzel⁸, Olivier Benveniste⁹ and Yves Allenbach¹⁰, ¹Sorbonne Universités, UPMC Univ Paris 06, INSERM UMRS_974, CNRS FRE 3617, Center of Research in Myology., Paris, France, ²Programa de Ciências Biomédicas, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil, ³Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil, ⁴Neuromuscular Diseases Unit, Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona and Institut de Recerca Sant Pau., Barcelona, Spain, ⁵Internal Medicine, National Referral Center for Rare Systemic Autoimmune Diseases, Hôpital Cochin, AP–HP, Université Paris Descartes, Paris, France, ⁶Departement de Virologie, Hôpital Cochin, Paris Descartes Universités, Paris, France, ⁷Sorbonne Universités UPMC Univ Paris 06, Myology research center, INSERM UMRS974, CNRS FRE3617, Pitié-Salpêtrière University Hospital, Paris, France, Paris, France, ⁸Charité-Universitätsmedizin Berlin, Berlin, Germany, ⁹Pitié-Salpêtrière University Hospital, Paris, France, ¹⁰Internal Medicine, Pitié-Salpêtrière University Hospital, Paris, France
Background/Purpose: The type I interferons (IFN-I) including IFN-a, and IFN-b are key cytokines involved in innate immune response to viral infection. Almost all cells can…
Abstract Number: 486 • 2016 ACR/ARHP Annual Meeting
IRF5 Promotes Arthritis but Restricts Virus Replication and Spread during Chikungunya Virus Infection
Jonathan Miner¹, Amber Smith², Raeann Shimak² and Michael Diamond³, ¹Internal Medicine / Rheumatology, Washington University in Saint Louis School of Medicine, Saint Louis, MO, ²Washington University in Saint Louis School of Medicine, Saint Louis, MO, ³Medicine / Infectious Diseases, Washington University in Saint Louis School of Medicine, Saint Louis, MO
Background/Purpose: Chikungunya virus (CHIKV) is an arthritogenic alphavirus that invades the joints and causes chronic arthritis in up to 60% of infected individuals. Over the…
Abstract Number: 1016 • 2016 ACR/ARHP Annual Meeting
Soluble BAT-3: A New Biomarker for Antisynthetase Syndrome
Baptiste Hervier^1,2, Samra Ouaras², Laurent Gilardin³, Hanane Ouakrim⁴, Damien Amelin⁵, Fleur Cohen⁶, Yurdagul Uzunhan⁷, Yves Allenbach¹, Anne Bourgarit-Durand⁸, Olivier Benveniste⁹ and Vincent Vieillard¹⁰, ¹Internal Medicine, Pitié-Salpêtrière University Hospital, Paris, France, ²CIMI Paris, UMR-S 1135, INSERM & UPMC, Paris, France, ³Internal Medicine, APHP, Hôpital Pitié Salpêtrière, Paris, France, ⁴INSERM UMR-S 1138, Centre des cordeliers & APHP, Cochin Hospital, Laboratory of Pathology, Paris, France, ⁵Sorbonne Universités UPMC Univ Paris 06, Myology research center, INSERM UMRS974, CNRS FRE3617, Pitié-Salpêtrière University Hospital, Paris, France, Paris, France, ⁶Department of Internal Medicine 2. Referal center for SLE/APS, Hôpital Pitié-Salpêtrière, AP-HP, UPMC Univ Paris 06 & French National Reference Center For Systemic Lupus and Antiphospholipid Syndrome, Paris, France, ⁷Pulmonary diseases department, Avicenne Hospital (AP-HP), Bobigny, France, ⁸CHU Bondy, Bondy, France, ⁹Pitié-Salpêtrière University Hospital, Paris, France, ¹⁰P&M Curie university, INSERM 543, Paris, France
Background/Purpose: Antisynthetase syndrome (ARS) is an inflammatory myopathy (IM) commonly associated to interstitial lung disease (ILD) and different anti-tRNA-synthetase autoantibodies. The immune mechanisms leading to…
Abstract Number: 1112 • 2016 ACR/ARHP Annual Meeting
Hypoxia Modulates Neutrophil Integrin Expression, Adhesion and Trans-Endothelial Migration
Akif A. Khawaja^1,2, Charis Pericleous^3,4, Vera M. Ripoll¹, Joanna C. Porter⁵ and Ian Giles³, ¹Centre for Rheumatology, Division of Medicine, Centre for Rheumatology, University College London, London, United Kingdom, ²Centre for Inflammation and Tissue Repair, Centre for Inflammation and Tissue Repair, University College London, London, United Kingdom, ³Centre for Rheumatology, University College London, Centre for Rheumatology, University College London, London, United Kingdom, ⁴Imperial College Vascular Sciences, National Heart and Lung Institute, Imperial College Vascular Sciences, National Heart and Lung Institute, London, United Kingdom, ⁵Centre for Inflammation and Tissue Repair, Division of Medicine, Centre for Inflammation and Tissue Repair, University College London, London, United Kingdom
Background/Purpose: Dysregulation of neutrophil activation is important in the pathogenesis of various inflammatory and autoimmune rheumatic diseases (ARDs), including RA, SLE and APS. Neutrophils are…
Abstract Number: 1748 • 2016 ACR/ARHP Annual Meeting
Effects of Anti-High Mobility Group Box 1 Antibody for MRL/Lpr lupus-Prone Mice
Haruki Watanabe¹, Katsue S. Watanabe¹, Keyue Liu², Minglu Yan¹, Sumie Hiramatsu¹, Sonia Zeggar¹, Keiji Ohashi¹, Eri Katsuyama¹, Yoshia Miyawaki¹, Michiko Morishiata³, Takayuki Katsuyama¹, Mariko Narazaki¹, Noriko Tatebe¹, Tomoko Kawabata¹, Ken-ei Sada¹, Masahiro Nishibori² and Jun Wada¹, ¹Department of Nephrology, Rheumatology, Endocrinology and Metabolism, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan, ²Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan, ³Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
Background/Purpose: High mobility group box 1 (HMGB1) is a ubiquitous non-histone nuclear protein that exerts proinflammatory functions in the extracellular milieu. Here we evaluate the…