Abstracts tagged "Mouse Models, Lupus"

Abstract Number: 0017 • ACR Convergence 2023
Xist Ribonucleoproteins Promote Female Sex-biased Autoimmunity
Diana Dou¹, Yanding Zhao¹, Julia Belk¹, Yang Zhao¹, Kerriann Casey², Derek Chen¹, Rui Li¹, Bingfei Yu¹, Suhas Srinivasan¹, Brian Abe¹, Katerina Kraft¹, Ceke Hellström³, Ronald Sjöberg⁴, Sarah Chang⁵, Allan Feng⁵, Daniel Goldman⁶, Ami Shah⁷, Michelle Petri⁶, Lorinda Chung⁸, David Fiorentino⁹, Emma Lundberg¹⁰, Anton Wutz¹¹, Paul Utz⁵ and Howard Chang¹, ¹Center for Personal Dynamic Regulomes and Program in Epithelial Biology, Department of Dermatology, Stanford University School of Medicine, Stanford, CA, ²Department of Comparative Medicine, Stanford University, Stanford, CA, ³Autoimmunity and Serology Profiling, Division of Affinity Proteomics, Department of Protein Science, KTH Royal Institute of Technology, SciLifeLab, Stockholm, Sweden, ⁴Department of Protein Science, SciLifelab, KTH Royal Institute of Technology, Stockholm, Sweden, ⁵Department of Medicine, Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, ⁶Department of Medicine, Division of Rheumatology, Johns Hopkins University School of Medicine, Timonium, MD, ⁷Department of Medicine, Division of Rheumatology, Johns Hopkins University School of Medicine, Ellicott City, MD, ⁸Department of Medicine, Division of Immunology and Rheumatology, Stanford University School of Medicine, Woodside, CA, ⁹Department of Dermatology, Stanford University School of Medicine, Menlo Park, CA, ¹⁰Departments of Bioengineering and Pathology, Stanford University, Stanford, CA, ¹¹Department of Biology, Institute of Molecular Health Sciences, Swiss Federal Institute of Technology, ETH Hönggerberg, Zurich, Switzerland
Background/Purpose: Autoimmune diseases disproportionately affect females more than males. The XX sex chromosome complement is strongly associated with susceptibility to autoimmunity. Xist long noncoding RNA…
Abstract Number: 0599 • ACR Convergence 2023
Targeted Inhibition of Cathepsins Limits the Intracellular Complement Activation in Lupus Nephritis Podocytes
Ana Kunzler¹, Meenakshi Jha¹, Masataka Umeda², Rhea Bhargava², Maria Tsokos¹, George Tsokos² and Abhigyan Satyam², ¹Beth Israel Deaconess Medical Center, Boston, MA, ²Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
Background/Purpose: Systemic lupus erythematosus (SLE) is a multisystem autoimmune disease that leads to damage to several tissues and organs. Inflammation of the kidney is one…
Abstract Number: 1665 • ACR Convergence 2022
The TLR7/8 Inhibitor Enpatoran Reverses Established Kidney Disease in the Interferon-Alpha-Accelerated NZB/W Mouse Model of Lupus
Julia Bruttger¹, Andrew Bender², Sonja Reissig¹, Amy Kao³ and Philipp Haselmayer¹, ¹the healthcare business of Merck KGaA, Darmstadt, Germany, ²TIP Immunology, EMD Serono, Billerica, MA, ³EMD Serono, Billerica, MA
Background/Purpose: Activation of toll-like receptor 7 and 8 (TLR7/8) signaling by single-stranded RNA results in immune cell stimulation and inflammatory cytokine production, a normal circumstance…
Abstract Number: 1666 • ACR Convergence 2022
Differentiation of Injury-associated Macrophages in Lupus Kidneys Is Conserved in Humans and Lupus Mouse Models
Paul Hoover¹, David Lieb², Stephen Li², Chirag Raparia³, Accelerating Medicines Partnership SLE/RA⁴, Arnon Arazi⁵, Nir Hacohen² and Anne Davidson⁶, ¹Brigham and Women's Hospital, Boston, MA, ²Broad Institute, Cambridge, MA, ³Donald and Barbara Zucker School of Medicine At Hofstra/Northwell, Shoreham, NY, ⁴NIH, Bethesda, MD, ⁵Feinstein Institutes for Medical Research, Melrose, MA, ⁶Feinstein Institutes for Medical Research, Manhasset, NY
Background/Purpose: Infiltrating monocytes acquire functions that support kidney remodeling in response to tissue damage in lupus nephritis. This process of monocyte differentiation has been difficult…
Abstract Number: 1698 • ACR Convergence 2022
LINE1 Reverse Transcriptase Inhibitors Abrogate Type 1 Interferon Responses
Daniel Rios¹, Nafeeza Hafeez¹, Brian Desrosiers¹, Shradha Rao¹, Jess Floro¹, Joelle Baddour¹, Nisha Perez², Greg Bisacchi², Oliver Saunders², Donna Romero¹, Menachem Fromer², Enrique Garcia-Rivera², Wilson McKerrow², Julie Behr², Bryan Thornlow², Dennis Zaller², David Proia² and Wenyan Miao², ¹Rome Therapeutics, Cambridge, MA, ²Rome Tx, Cambridge, MA
Background/Purpose: Transposable elements (TEs) are mobile DNA elements that can replicate and move from one position to another within the host genome. Through co-evolution, TEs…
Abstract Number: 1707 • ACR Convergence 2022
Exploring the Role of Lipocalin-2 in Neuropsychiatric SLE
Chaim Putterman¹, Sayra Garcia-Murillo² and Elise Mike³, ¹Albert Einstein College of Medicine, Bronx, NY, ²Albert Einstein College of Medicine, New York, NY, ³John Hopkins University, Baltimore, MD
Background/Purpose: While the etiology of neuropsychiatric lupus (NPSLE) is not fully understood, blood brain barrier (BBB) disruption and localized neuroinflammation are potential mechanisms that contribute…
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: 1712 • ACR Convergence 2022
The Lymph Node Microenvironment in SLE Mice Is Altered and Impairs Egress of T Lymphocytes
Mir Howlader¹, Audrey Baeyens², Susan Schwab² and theresa Lu³, ¹Weill Cornell Medical College, Brooklyn, NY, ²New York University Grossman School of Medicine, New York, NY, ³Hospital for Special Surgery, New York, NY
Background/Purpose: T cell entry into and exit from lymph nodes (LNs) exposes T cells to antigens/cytokines required for their activation and regulates the nature of…
Abstract Number: 1713 • ACR Convergence 2022
Bank1 Signaling Shapes the Gut Microbiota Composition by Controlling the Gut Mucosal B-cell Response in Lupus
Georgina Galicia-Rosas, María Botía Sánchez, Daniel Toro-Domínguez, Lorena Albadalejo and Marta Alarcon-Riquelme, Center for Genomics and Oncological Research (GENYO), Granada, Spain
Background/Purpose: Mucosa-associated commensal bacteria have been shown to be involved in the pathogenesis of systemic lupus erythematosus (SLE). However, its exact role remains to be…
Abstract Number: 1716 • ACR Convergence 2022
The Transcriptomic Landscape of Nephritic Kidneys Reveals Mechanisms for End Organ Resistance to Damage in Lupus-prone Mice
Andrea Daamen¹, Hongyang Wang², Prathyusha Bachali³, Shu Man Fu², Amrie Grammer⁴ and Peter Lipsky¹, ¹AMPEL BioSolutions, Charlottesville, VA, ²University of Virginia, Charlottesville, VA, ³AMPEL BioSolutions, Redmond, WA, ⁴AMPEL LLC, Charlottesville, VA
Background/Purpose: Pathologic inflammation is a major driver of kidney damage in lupus nephritis (LN), but the immune mechanisms of disease progression and risk factors for…
Abstract Number: 1717 • ACR Convergence 2022
Deficiency of IL-23 Receptor in Podocytes of MRL/lpr lupus-prone Mice Abrogates the Development of Lupus Nephritis Despite IgG Deposition in the Glomeruli
Afroditi Boulougoura¹, Hao Li¹, Rhea Bhargava¹, Wenliang Pan¹, Abhigyan Satyam¹, Isaac Stillman² and George Tsokos¹, ¹Division of Rheumatology and Clinical Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, ²Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
Background/Purpose: Interleukin 23 (IL-23) is involved in the pathogenesis of systemic lupus erythematosus (SLE). IL-23 is elevated in the sera of patients with active SLE…
Abstract Number: 1718 • ACR Convergence 2022
Parenchymal INFγ Response Regulates Murine Lupus Nephritis
Minjung Kim¹, Anthony Marinov¹, Mark Shlomchik² and Jeremy Tilstra², ¹University of Pittsburgh, Pittsburgh, ²University of Pittsburgh, Pittsburgh, PA
Background/Purpose: Lupus nephritis is the most common life-threatening end-organ complication of SLE. Interstitial infiltrates, specifically T cells, are major predictors of disease outcomes. We recently…
Abstract Number: 1720 • ACR Convergence 2022
FASlpr Gene Dosage Differentiates Lymphoproliferative from Non-lymphoproliferative Autoimmunity – a Novel Mouse Model of Lupus
Ritu Bohat¹, Chunyu Xu¹, Xiaofang Liang¹, Yanping Chen¹, Ningbo Zheng¹, Roshni Jaffery¹, Ashley Guerrero¹, Nicholas Egan¹, John Hicks², Chandra mohan¹ and Weiyi Peng¹, ¹University of Houston, Houston, TX, ²Baylor College of Medicine, Houston, TX
Background/Purpose: Sle1 and FASlpr are two lupus susceptibility loci that lead to manifestations of systemic lupus erythematosus (SLE) by altering the FAS/FASL pathway and adaptive…
Abstract Number: 1725 • ACR Convergence 2022
Sex Differences in Autoimmune Pathogenesis and Systemic Response to High Fat Diet in Lupus-prone Mice
Gitanjali Lobo¹, Juan Meng², Xuhua Shi², Ronak Patel³, Laura Rivers⁴, Chad Hille⁵, Robert Quinet⁶, William Davis⁷, Jerald Zakem⁸, Chandana Keshavamurthy⁹, Tamika Webb-Detiege¹⁰, Zongbing You² and Xin Zhang¹¹, ¹Ochsner Clinic Foundation, Metairie, LA, ²Tulane University, New Orleans, LA, ³Ochsner, New Orleans, LA, ⁴Ochsner Medical Center, River Ridge, LA, ⁵Ochsner Clinic Foundation, New Orleans, LA, ⁶Ochsner Health, River Ridge, LA, ⁷Ochsner Medical Center, New Orleans, LA, ⁸Ochsner Health Systems, Metairie, LA, ⁹ochsner medical center, Metairie, LA, ¹⁰University of Queensland/Ochsner Clinical School, New Orleans, LA, ¹¹Institution of Translational Research, Ochsner Health System, New Orleans, LA
Background/Purpose: Systemic lupus erythematosus (SLE) is an autoimmune disease characterized by chronic inflammation and the production of autoantibodies, leading to systemic multiorgan damage. SLE has…
Abstract Number: 1726 • ACR Convergence 2022
Impaired Dynamic X-Chromosome Inactivation Maintenance in T Lymphocytes Is a Feature of Spontaneous Lupus in Female Mice and Is Exacerbated in Female-Biased Disease Models
Nikhil Jiwrajka¹, Natalie Toothacre², Zachary Beethem², Sarah Sting², Katherine Forsyth², Amanda Driscoll², William Stohl³ and Montserrat Anguera², ¹Division of Rheumatology, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, PA, ²Department of Biomedical Sciences, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA, ³University of Southern California, Los Angeles, CA
Background/Purpose: SLE is highly female-biased, yet the molecular origins of this bias remain unclear. The X chromosome contains many immune-related genes, suggesting that X-linked epigenetic…

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