Abstracts tagged "Monocytes/macrophages"

Abstract Number: 037 • 2023 Pediatric Rheumatology Symposium
Transcriptional Analysis of CD14+ Monocytes During Macrophage Activation Syndrome Highlights Role for Interferons and RNA Sensing in Monocytes
Susan Canny¹, Hannah DeBerg², Griffin Gessay², Ailing Lu³, Mary Eckert¹, Andrea La Bella⁴, Susan Shenoi⁵, Joyce Hui-Yuen⁶, Betsy Barnes⁷ and Jessica Hamerman², ¹Seattle Children's Hospital, Seattle, WA, ²Benaroya Research Institute, Seattle, WA, ³Feinstein Institutes for Medical Research, Manhasset, NY, ⁴Northwell Health, Cohen Children's Medical Center, New Hyde Park, NY, ⁵Seattle Children's Hospital, Seattle, WA, ⁶Cohen Children's Medical Center, Northwell Health, Lake Success, New York; Center for Autoimmune, Musculoskeletal, and Hematopoietic Diseases Research, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, ⁷Center for Autoimmune, Musculoskeletal, and Hematopoietic Diseases Research, Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY
Background/Purpose: Macrophage activation syndrome (MAS), a form of secondary hemophagocytic lymphohistiocytosis (HLH), is a potentially fatal complication of rheumatic diseases. MAS is a dysfunctional hyperinflammatory…
Abstract Number: 0557 • ACR Convergence 2022
VEXAS Syndrome Is Characterized by Blood and Tissues Inflammasome Pathway Activation and Monocyte Dysregulation
Benjamin Terrier¹, Celine Posseme², Marie Temple³, Aurélien Corneau⁴, Francesco Carbone⁵, Eugénie Duroyon³, camille Gobeaux³, Estibaliz Lazaro⁶, Roderau Outh⁷, Guillaume Le Guenno⁸, Francois Lifermann⁹, Marie Berleur¹⁰, Thierry Weitten¹¹, Vivien Guillotin¹², Cédric Lenormand¹³, Hang-Korng Ea¹⁴, Mickael Ménager⁵, Darragh Duffy² and Olivier Kosmider³, ¹National Referral Center for Rare Systemic Autoimmune Diseases, Cochin Hospital, Paris, France, ²Institut Pasteur, Paris, France, ³Cochin Hospital, Paris, France, ⁴Pitié Salpêtrière Hospital, Paris, France, ⁵Institut Imagine, Paris, France, ⁶Bordeaux Hospital University, Bordeaux, France, ⁷CH, Perpignan, France, ⁸CHU, Clermont-Ferrand, France, ⁹Dax Hospital, Dax, France, ¹⁰CH, Versailles, France, ¹¹CHIGAS, Gap, France, ¹²CHU Bordeaux, Bordeaux, France, ¹³CHRU, Strasbourg, France, ¹⁴Lariboisière Hospital, Paris, France
Background/Purpose: Acquired mutations in the UBA1 gene, occurring in myeloid cells and resulting in expression of a catalytically impaired isoform of the enzyme E1, were…
Abstract Number: 0568 • ACR Convergence 2022
The Absence of Blk Leads to Increased Inflammation in a Murine Model of Kawasaki Disease
Melissa Kleinau¹, Mohammed Massumi², Lysa Langevin², Paul Tsoukas², Harper Cheng², Suzanne Tam², Trang Duong² and Rae Yeung³, ¹University of Toronto, Toronto, ON, Canada, ²Peter Gilgan Centre for Research and Learning, Toronto, ON, Canada, ³The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada
Background/Purpose: Kawasaki Disease (KD) is the leading cause of acquired heart disease in children in developed countries characterized by inflammation of the coronary arteries leading…
Abstract Number: 0599 • ACR Convergence 2022
Expansion of HLA-DR+CD45RAhi Non-lymphoid Cells in Patients with Rheumatoid Arthritis
Christian Geier¹, Andras Perl² and Robert Winchester³, ¹SUNY Upstate Medical University, Syracuse, NY, ²SUNY, Syracuse, NY, ³Columbia University, New York, NY
Background/Purpose: In RA, aberrant lymphocytes can damage synovial joints and other organs. Antigen-presenting cells (APC) can activate lymphocytes and are considered critical to initiate immune…
Abstract Number: 0604 • ACR Convergence 2022
Altered Metabolic State in Myeloid Precursors and Mature Cells Within Rheumatoid Arthritis
Patricia Riedlova¹, Luís Almeida², Cecilia Ansalone³, Shatakshi Sood¹, Bart Everts² and Carl Goodyear¹, ¹University of Glasgow, Glasgow, Scotland, United Kingdom, ²Leiden University Medical Center, Leiden, Netherlands, ³UCSD and University of Glasgow, Glasgow, Scotland, United Kingdom
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disease characterised by synovial inflammation and joint destruction. Prior research has revealed perturbation in the myeloid compartment of…
Abstract Number: 0652 • ACR Convergence 2022
Serum from Patients with SLE and Anti-MDA5 Antibody-Positive Dermatomyositis Induce Shared Monocyte Cytokine Signature Through Type 1 Interferon Pathway
Shohei Nakamura, Yuko okamoto, Yasuhiro Katsumata and Masayoshi Harigai, Division of Rheumatology, Department of Internal Medicine, Tokyo Women’s Medical University School of Medicine, Tokyo, Japan
Background/Purpose: Although type 1 interferon (IFN) plays a pivotal role in the pathogenesis of systemic lupus erythematosus (SLE) and polymyositis/dermatomyositis (PM/DM) [1] as typically evidenced…
Abstract Number: 0654 • ACR Convergence 2022
Lymphatic Dysfunction and Immune Activation in Lupus
william ambler¹, Madhavi Somaraju¹, JiHyun Sim¹, Ethan Seltzer¹, Noa Schwartz², Ecem Sevim³, Doruk Erkan¹, Jinyeon Shin⁴, Rahgu Kataru⁴, Babak Mehrara⁵ and theresa Lu¹, ¹Hospital for Special Surgery, New York, NY, ²Albert Einstein College of Medicine, New York, NY, ³Montefiore Medical Center - Wakefield Campus, New York, NY, ⁴Memorial Sloan Kettering, New York, NY, ⁵Department of Surgery, Division of Plastic and Reconstructive Surgery, Memorial Sloan Kettering, New York, NY
Background/Purpose: Systemic lupus erythematosus is a prototypic autoimmune disease in which patients frequently have photosensitivity. Exposure to ultraviolet radiation (UVR) causes the eruption of cutaneous…
Abstract Number: 0663 • ACR Convergence 2022
Anti-Erythrocyte Antibodies in Childhood Onset Systemic Lupus Erythematosus
Lauren Robinson¹, Zurong Wan², Preetha Balasubramanian³, Juan Rodriguez Alcazar³, Lynnette Walters⁴, Jeanine Baisch², karen onel⁵, Tracey Wright⁶, Virginia Pascual³ and Simone Caielli³, ¹Hospital for Special Surgery/New York Presbyterian-Weill Cornell, New York, NY, ²Weill Cornell Medicine, New York, NY, ³Weill Cornell Medical College, New York, NY, ⁴Scottish Rite Hospital for Children, Allen, TX, ⁵Hospital for Special Surgery, New York, NY, ⁶UT Southwestern, Plano, TX
Background/Purpose: Systemic Lupus Erythematosus (SLE) is a disease characterized by the presence of auto-antibodies, immune complex deposition, and a robust type 1 interferon signature. It…
Abstract Number: 1167 • ACR Convergence 2022
Towards an Autologous 3D Skin-like Tissue Harboring Patient-Derived Fibroblasts, Keratinocytes, T-cells and Macrophages
Sasha Shenk¹, Jonathan Garlick¹, Lev Brown², Jamie Riesenberg², Christian Evans², Julia Jaffe Zweifach², Andrew Macklin², Tamar Abel³, Noelle Kosarek⁴, Mengqi Huang⁵, Avi Smith¹, Tammara Wood³, Gretel Torres⁶, Patricia pioli⁶ and Michael Whitfield⁷, ¹Tufts University School of Dental Medicine, Boston, MA, ²Tufts University, Boston, MA, ³Dartmouth College, Hanover, NH, ⁴Dartmouth Geisel School of Medicine, Lebanon, NH, ⁵University of Pittsburgh, Pittsburgh, PN, ⁶Geisel School of Medicine at Dartmouth, Lebanon, NH, ⁷Dartmouth Geisel School of Medicine, Department of Biomedical Data Science, Lebanon, NH
Background/Purpose: Scleroderma (Systemic Sclerosis; SSc) is an autoimmune disease of unknown etiology that is characterized by vascular dysfunction, fibrosis, and inflammation. A lack of human…
Abstract Number: 1169 • ACR Convergence 2022
Downregulated Fli1 in Systemic Sclerosis Myeloid Cells Contributes to Enhanced Transendothelial Migration
Pablo Weilg Espejo¹, Taha Dinc², Fatima El Adili³, Maria Trojanowska⁴ and Andreea Bujor⁴, ¹Boston Medical Center, Chelsea, MA, ²Boston University School of Medicine, Boston, MA, ³Boston University School of Medicine, Revere, MA, ⁴Boston University, Boston, MA
Background/Purpose: The mononuclear phagocytic system in Systemic Sclerosis (SSc) is central to fibrogenesis and may contribute to fibrosis via enhanced monocyte migration into injured tissues…
Abstract Number: 1565 • ACR Convergence 2022
Dissection of Ocular and Peripheral Blood Immune Phenotypes Suggests Preferential Transmigration of CD16+ Monocytes to Effector Sites in Behçet’s Disease
Yesim Ozguler¹, Ziyan Lin², Ann Cavers³, gulen Hatemi⁴, Olivier Manches⁵ and Johannes Nowatzky³, ¹Istanbul University-Cerrahpasa, Cerrahpasa Medical Faculty, Department of Internal Medicine, Division of Rheumatology, New York, NY, ²NYU Grossman School of Medicine, NYU Langone Applied Informatics Laboratories, New York, NY, ³NYU Grossman School of Medicine, New York, NY, ⁴Istanbul University-Cerrahpaşa, Cerrahpasa Medical Faculty, Department of Internal Medicine, Division of Rheumatology, Istanbul, Turkey, ⁵Recherche et Développement, Immunobiology and Immunotherapy in Chronic Diseases, Institute for Advanced Biosciences, Inserm U 1209, CNRS UMR 5309, Université Grenoble Alpes Etablissement Français du Sang Auvergne-Rhône-Alpes, Grenoble, France
Background/Purpose: Cellular immunity of Behçet's Disease (BD) remains poorly understood. Previous work has provided clues pointing to most innate and adaptive immune cell types in…
Abstract Number: 1699 • ACR Convergence 2022
Arthritis-associated Synovial CD64-Ly6c- myeloid Cells Comprise 2 Subpopulations
Yidan Wang¹, Miranda Gurra¹, Carla Cuda¹, Hadijat Makinde¹, Shangyang Chen¹, Gaurav Gadhvi¹, Salina Dominguez¹, Caroline Shah¹, Deborah Winter² and Harris Perlman¹, ¹Northwestern University, Chicago, IL, ²Northwestern University, Skokie, IL
Background/Purpose: Monocytes are critical for the pathogenesis of rheumatoid arthritis (RA). However, depletion of circulating monocytes – either classical or non-classical monocytes – is not…
Abstract Number: 1710 • ACR Convergence 2022
CCL2 Drives Interferon-enhanced Monocytosis in UV-mediated Skin Injury in Murine Lupus
Mitra Maz¹, Hong Shi², Sonya Wolf-Fortune³, Shannon Estadt³, Alayka Reddy³, Rachael Wasikowski³, Alex Tsoi³, Celine Berthier³ and J. Michelle Kahlenberg³, ¹University of Michigan Medical School, Ann Arbor, MI, ²Department of Internal Medicine/Division of Rheumatology, Vascular Biology Center, Augusta, GA, ³University of Michigan, Ann Arbor, MI
Background/Purpose: Systemic lupus erythematosus (SLE) is a heterogeneous autoimmune disease characterized by overproduction of type I interferons (IFNs) and sensitivity to ultraviolet (UV) light. Though…
Abstract Number: 2003 • ACR Convergence 2022
Anti-rheumatic Treatment Modulates Expression of the Glycolytic Enzyme PFKFB3 in CD14+ Monocytes of Patients with Rheumatoid Arthritis, Which Contributes to Dissimilarities of the IFN Signature
Malin Erlandsson¹, Karin Andersson¹, Sofia Töyrä Silfverswärd², Rille pullerits² and Maria Bokarewa², ¹Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Goteborg, Sweden, ²Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Göteborg, Sweden
Background/Purpose: Combination of IFN-stimulated genes known as IFN signature, helps to predict disease activity and treatment response in several autoimmune diseases, including rheumatoid arthritis (RA).…
Abstract Number: 0004 • ACR Convergence 2022
mTORC1 Drives the Spectrum of Pathology in Systemic JIA and Macrophage Activation Syndrome
zhengping huang¹, xiaomeng You², Liang Chen³, Yan Du³, Kailey Brodeur³, Qiang Wang³, David Sykes⁴, Margaret Chang⁵, Julia Charles², Peter Nigrovic⁵ and Pui Lee⁵, ¹Guangdong Second Provincial Hospital, Guangzhou, China, ²Brigham and Women's Hospital, Boston, MA, ³Boston Children's Hospital, Boston, MA, ⁴Massachusetts General Hospital, Boston, MA, ⁵Division of Immunology, Boston Children's Hospital, Boston, MA
Background/Purpose: Systemic juvenile idiopathic arthritis (sJIA) is a severe inflammatory syndrome characterized by fever, skin rash and arthritis. A subset of patients with sJIA develop…