Abstracts tagged "neutrophils"

Abstract Number: 2581 • ACR Convergence 2025
From Skin to Kidney: Neutrophil-Mediated Crosstalk Links Cutaneous Injury to Renal Inflammation and Vascular Remodeling in Lupus
Angelique Cortez¹, Lindsay Mendyka², Paola Garcia³, Elizabeth Nowak¹, Fred Kolling⁴, Lucas Salas¹, Christopher Burns⁵, Andrea Fava⁶ and Sladjana Skopelja-Gardner⁷, ¹Dartmouth College, Lebanon, NH, ²Dartmouth College, Lyme, NH, ³St. Mary's University, San Antonio, TX, ⁴Geisel School of Medicine at Dartmouth, Lebanon, NH, ⁵Dartmouth Health, Lebanon, NH, ⁶Johns Hopkins University, Baltimore, MD, ⁷Dartmouth Geisel School of Medicine, Lebanon, NH
Background/Purpose: The majority of SLE patients are sensitive to ultraviolet light (UV), which can lead to local and systemic inflammation, including lupus nephritis (LN) flares.…
Abstract Number: 0951 • ACR Convergence 2025
Epidermal IFNκ Increases Circulating and Cutaneous Monocytes in a C57/Bl6 Overexpression Mouse Model
Patrick O'Brien, Benjamin Klein, Deborah Colesa and J. Michelle Kahlenberg, University of Michigan, Ann Arbor, MI
Background/Purpose: Lupus is a heterogeneous inflammatory autoimmune disease affecting a variety of organs, including skin manifestations such as photosensitivity and cutaneous lesions. The skin of…
Abstract Number: 0067 • ACR Convergence 2025
Identification of Neutrophil Extracellular Traps in Explanted Human Lungs with Rheumatoid Arthritis-related Interstitial Lung Disease
Amara Seng¹, Kensuke Suga², Diana Tran³, Anvita Singaraju⁴, Tanyalak Parimon⁵, Youn Jung Choi⁶, Justyna Fert-Bober⁷, Jon Giles⁸, Peter Chen⁵ and Nunzio Bottini⁹, ¹Cedars-Sinai Medical Center, Los Angeles, CA, ²Kao Autoimmunity Institute, Cedars-Sinai Medical Center, Beverly Hills, CA, ³Cedars Sinai Medical Center, La Cañada Flintridge, CA, ⁴Kao Autoimmunity Institute, Cedars-Sinai Medical Center, Los Angeles, ⁵Women's Guild Lung Institute, Cedars-Sinai Medical Center, Los Angeles, CA, ⁶Kao Autoimmunity Institute, Cedars-Sinai Medical Center, Los Angeles, CA, ⁷Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, CA, ⁸Cedars Sinai Medical Center, Los Angeles, CA, ⁹Cedars Sinai Medical Center, Beverly Hills, CA
Background/Purpose: Symptomatic rheumatoid arthritis-related interstitial lung disease (RA-ILD) is prevalent in about 10% of patients with RA and confers a higher mortality compared with RA…
Abstract Number: 2580 • ACR Convergence 2025
Estrogen Modulates Neutrophil Biology: Implications for Autoimmunity
William Ambler¹, Eduardo Patino-Martinez¹, Gustaf Wigerblad¹, Shuichiro Nakabo², Jorge Romo-Tena³, Norio Hanata⁴, James Simone¹, Stephen Brooks¹, Kan Jiang⁵, Hong-wei Sun¹, Faiza Naz⁶, Shamima Islam⁶, Gustavo Gutierrez-Cruz¹, Stefania Dell'Orso¹, Anshu Deewan⁷, Vicky Chen⁷, Paul Schaughency⁸, Carmelo Carmona-Rivera⁴, Sarfaraz Hasni¹, Veronica Gomez-Lobo⁹ and Mariana Kaplan⁴, ¹NIH/NIAMS, Bethesda, MD, ²NIAMS, NIH, Bethesda, MD, ³Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD, ⁴Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, Bethesda, MD, ⁵Biodata Mining and Discovery Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, Bethesda, ⁶National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD, ⁷NIH/NIAID, Bethesda, MD, ⁸NIAID, NIH, Bethesda, MD, ⁹NIH/NICHD, Bethesda, MD
Background/Purpose: Neutrophils are essential for inflammation and host defense against infections. Our group has previously highlighted their key roles in the pathogenesis of diseases that…
Abstract Number: 0928 • ACR Convergence 2025
Radiolabelled anti-citrullinated histone antibody CIT-013 as a tool to visualize NET rich inflamed joints in a collagen induced arthritic mouse model
Annemarie Kip¹, Daphne Dorst², Birgitte Walgreen², Monique Helsen², Eric meldrum¹, Renato Chirivi¹ and Marije Koenders², ¹Citryll BV, Oss, Netherlands, ²RadboudUMC, Nijmegen, Netherlands
Background/Purpose: Neutrophil Extracellular Traps (NETs) contribute to the pathophysiology of multiple immune-mediated inflammatory diseases including Rheumatoid Arthritis (RA), and may be promising therapeutic targets. The…
Abstract Number: 0059 • ACR Convergence 2025
Formyl Peptide Receptor 1 (FPR1) Influences Arthritis Severity in a Sex- and Compartment-Specific Manner
Ryan D. Stultz¹, Payton Hermanson², Noelle Mullin³, Simeon Ramsey³ and Christian Lood², ¹University of Washington, Division of Rheumatology, Seattle, WA, ²University of Washington, Seattle, WA, ³Pfizer Inc., Cambridge, MA
Background/Purpose: Rheumatoid arthritis (RA) is a chronic, systemic inflammatory disease that disproportionately affects females over males (3:1). Although sex-based immune differences have been documented, particularly…
Abstract Number: 0918 • ACR Convergence 2024
Anti-VISTA Antibody Suppresses Neutrophil-mediated Inflammation
Elizabeth Nowak¹, Jiannan Li¹, Mohamed ElTanbouly¹, Lindsay Mendyka², Louise Lines¹, Rodwell Mabaera³, Christopher Burns⁴, Randolph Noelle¹ and Sladjana Skopelja-Gardner¹, ¹Geisel School of Medicine at Dartmouth, Lebanon, ²Dartmouth Hitchcock Memorial Hospital, Lyme, NH, ³Dartmouth Hitchcock Medical Center, Lebanon, ⁴Dartmouth Hitchcock Medical Center, Lebanon, NH
Background/Purpose: A growing body of evidence suggests that VISTA, an immune checkpoint inhibitory receptor, plays a central role in the regulation of innate immunity in…
Abstract Number: 0931 • ACR Convergence 2024
Salivary Granular Convoluted Tubules Contribute to Maintain Tissue-specific Tolerance – Implications for the Development of Murine Sjögren´s Syndrome
Xiaomei Shan¹, Clara Reichardt¹, Marco Munoz Becerra¹, Aleix Rigau², Lena Müller³, Anne Zeitler¹, Jasmin Knopf⁴, Gerhard Grossmayer¹, Martin Herrmann¹, Christine Schauer¹, Markus Eckstein⁵, Georg Schett⁶ and Luis Munoz⁷, ¹Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen, Germany, ²Friedrich-Alexander Universität Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany, ³Medizin Universität Wien, Vienna, Austria, ⁴Universitätsklinikum Mannheim, Mannheim, Germany, ⁵Institute of Pathology and Comprehensive Cancer Center EMN, Friedrich-Alexander- Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Germany, ⁶Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany, ⁷Friedrich-Alexander Universität Erlangen-Nürnberg, Erlangen
Background/Purpose: Primary Sjögren's syndrome (PSS) is a chronic inflammatory disease affecting exocrine glands with an important systemic autoimmune reaction against some nuclear and membrane bound…
Abstract Number: 0933 • ACR Convergence 2024
NLRP3 Inflammasome Promotes Release of Peptidyl Arginine Deiminases2 and 4 from Human Neutrophils
Teneema Kuriakose, Mingxin Yang, Lacie Scaletta and Gary Sims, Immunology Biosciences, Research and Early Development, Respiratory and Immunology (R&I), BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD
Background/Purpose: Autoantibodies targeting citrullinated proteins (ACPAs) are a characteristic feature and a diagnostic marker in rheumatoid arthritis (RA). The generation of citrullinated protein autoantigens is…
Abstract Number: 0951 • ACR Convergence 2024
A Feedback Loop Involving mtDNA, Platelets and Neutrophil Extracellular Traps Amplifies Inflammation in Systemic Sclerosis
Stavros Giaglis¹, Diego Kyburz² and Ulrich Walker³, ¹Experimental Rheumatology Laboratory, University of Basel, Basel, Switzerland, ²University Hospital Basel, Basel, Switzerland, ³Basel University Hospital, Basel, Switzerland
Background/Purpose: Mitochondria are essential eucaryotic cell organelles with several bacterial features, such as a double-stranded circular genome with hypomethylated CpG areas (1). A fundamental role of…
Abstract Number: 0046 • ACR Convergence 2024
Impaired Neutrophil Extracellular Trap (NET) Degradation in Rheumatoid Arthritis (RA) and Pre-clinical RA Is Mediated by Anti-NET Antibodies
Jeba Atkia Maisha¹, Alina Sememenko², Jun Kim², Mario Navarrete², XIAOBO MENG¹, Hani El-Gabalawy¹ and Liam O'Neil¹, ¹University of Manitoba, Winnipeg, MB, Canada, ²University of Manitoba, Winnipeg, Canada
Background/Purpose: Rheumatoid Arthritis (RA) begins after a prolonged preclinical phase which is marked by the development of RA antibodies, typically against citrullinated proteins (ACPA). The…
Abstract Number: 1268 • ACR Convergence 2024
Neutrophil Lymphocyte Ratio as a Novel Marker of Skin Disease Activity in Older Children with Juvenile Dermatomyositis
Shreya Swaminathan¹, Nidhi Naik², Susan Shenoi³, Sarah Vandenbergen⁴, Jessica Turnier⁵, Zilan Zheng⁶, Jessica Neely⁶, James Andrews⁷ and Christian Lood⁸, ¹University of Washington, Seattle, ²Seattle children's hospital, Bothell, WA, ³Seattle Children's Hospital and Research Center, Mercer Island, WA, WA, ⁴University of Michigan, Ann Arbor, MI, ⁵University of Michigan, Saline, MI, ⁶UCSF, San Francisco, CA, ⁷University of Alabama at Birmingham, Birmingham, AL, ⁸University of Washington, Seattle, WA
Background/Purpose: Exaggerated neutrophil activation can lead to inflammation and organ damage in rheumatic diseases, including dermatomyositis (DM). In both juvenile (JDM) and adult DM, markers…
Abstract Number: 0063 • ACR Convergence 2024
Splicing into Action:Investigating the Role of Alternative Splicing in Rheumatoid Arthritis Neutrophils
Rayan Najjar¹, Noga Rogel² and Tomas Mustelin³, ¹University of Washington, Seattle, ²University of Washinton, Seattle, ³University of Washington, Seattle, WA
Background/Purpose: Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized by a variable response to therapies, reflecting its complex and incompletely understood pathogenesis. Emerging research suggests…
Abstract Number: 1550 • ACR Convergence 2024
CD19 CAR T Cell Therapy Suppresses the Inflammatory Profile of Neutrophils in Systemic Lupus Erythematosus
Panagiotis Garantziotis¹, Kirill Anoshkin¹, Melanie Hagen², Andreas Wirsching², Andreas MAckensen³, Georg Schett⁴ and Ricardo Grieshaber-Bouyer⁵, ¹Department of Internal Medicine 3-Rheumatology and Immunology, Friedrich Alexander University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany, Erlangen, Germany, ²Department of Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Bayern, Germany, ³Department of Medicine 5 - Hematology and Oncology, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen, Erlangen, Bayern, Germany, ⁴Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany, ⁵Department of Medicine 3 - Rheumatology and Immunology, Friedrich-Alexander-Universität (FAU) Erlangen-Nürnberg and Uniklinikum Erlangen, Erlangen, Germany
Background/Purpose: Patients with Systemic Lupus Erythematosus (SLE) exhibit increased formation of Neutrophil Extracellular Traps and production of proinflammatory cytokines, which can perpetuate autoimmunity. Furthermore, NETs…
Abstract Number: 0065 • ACR Convergence 2024
Evidence of Membranolytic Targeting and Intracellular Citrullinationin Neutrophils Isolated from Patients with Rheumatoid Arthritis
Neela Fatemeh Moadab¹, Tal Gazitt², Rayan Najjar¹, Ethan Le¹, J Lee Nelson³, Vijay Joshua⁴, Keith Elkon¹, Caroline Grönwall⁴ and Tomas Mustelin¹, ¹University of Washington, Seattle, WA, ²Carmel Hospital, Haifa, Israel, ³University of Washington and Fred Hutchinson Cancer Center, Seattle, WA, ⁴Karolinska Institutet, Stockholm, Sweden
Background/Purpose: Anti-citrullinated protein autoantibodies (ACPA) are diagnostic for rheumatoid arthritis (RA). The antigens recognized by these autoantibodies are produced by protein arginine deiminases (PADs), particularly…

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