Abstracts tagged "Gene Expression"

Abstract Number: 1849 • ACR Convergence 2025
Time-course RNA sequencing analysis of longitudinal peripheral blood samples to elucidate the factors determining treatment resistance in systemic lupus erythematosus
Shuji Sumitomo¹, Hideki Oka², Takeshi Iwasaki³ and Koichiro Ohmura⁴, ¹Kobe City Medical Center General Hospital, Kobe city, Hyogo, Japan, ²Kobe City Medical Center General Hospital, Kobe, Japan, ³Kyoto University, Kyoto, Japan, ⁴Kobe City Medical Center General Hospital, Kobe, Hyogo, Japan
Background/Purpose: Systemic lupus erythematosus (SLE) encompasses a subset of patients who exhibit resistance to standard treatments, posing a significant challenge to achieving remission. Our study…
Abstract Number: 0959 • ACR Convergence 2025
Longitudinal Multiomic Study of Skin, Peripheral Blood, and Serum: Serum Proteome Reflects the Disease Process at the End-organ Level and Predicts the Course of Modified Rodnan Skin Score
Bich Na Choi¹, Claudia Pedroza², Brian Skaug³, Maureen Mayes⁴ and Shervin Assassi⁵, ¹UTHealth Houston Institute for Clinical Research & Learning Health Care, Houston, TX, ²UTHealth Houston Institute for Clinical Research & Learning Health Care, Texas, TX, ³UTHealth Houston Division of Rheumatology, Houston, TX, ⁴UT Health Houston Division of Rheumatology, Houston, TX, ⁵Division of Rheumatology, UTHealth Houston, Houston, Texas, USA, Houston, TX
Background/Purpose: Clinically useful biomarkers for systemic sclerosis (SSc) are needed. While obtaining samples from affected organs like the skin and lungs is invasive and cannot…
Abstract Number: 0029 • ACR Convergence 2025
A Novel B Cell Subpopulation Characteristic of IgA Vasculitis Identified by Single-Cell RNA Sequencing
Joao Carlos Batista-Liz¹, María Sebastián Mora-Gil², Evan Troendle³, Oisin Cappa³, Maite Leonardo⁴, Ana Peñalba⁴, Luis mARTIN pENAGOS⁵, Ligia Gabrie-Rodriguez⁶, Rafael Gálvez Sánchez⁶, Jose Luis Callejas⁷, Belen Sevilla⁸, Diego de Argila⁹, Esther Vicente-Rabaneda⁹, Santos Castañeda¹⁰, David Simpson³, Ricardo Blanco¹¹, Verónica Pulito Cueto¹ and Raquel Lopez Mejias¹, ¹IDIVAL, Santander, Spain, ²Immunopathology Group, IDIVAL, Santander, Spain, ³Queens University, Wellcome-Wolfson Institute for Experimental Medicine, Belfast, United Kingdom, ⁴Division of Pediatrics, Hospital Universitario Marqués de Valdecilla, Santander, Spain, ⁵Immunopathology Group, IDIVAL and Division of Nephrology, Hospital Universitario Marqués de Valdecilla, Santander, Spain, ⁶Division of Rheumatology, Hospital Universitario Marqués de Valdecilla, IDIVAL, Immunopathology Group, Santander , Spain, Santander, Spain, ⁷Department of Internal Medicine, Hospital San Cecilio, Granada, Spain, ⁸Division of Pediatrics, Hospital Universitario San Cecilio, Granada, Spain, ⁹Hospital Universitario de la Princesa, Madrid, Spain, ¹⁰Hospital Universitario de La Princesa, IIS-Princesa, Madrid, Madrid, Spain, ¹¹Rheumatology Division, Hospital Universitario Marqués de Valdecilla, IDIVAL, Immunopathology Group, Santander, Spain, Santander, Cantabria, Spain
Background/Purpose: IgA vasculitis (IgAV) is a systemic small-vessel vasculitis characterized by immune complex deposition containing aberrantly glycosylated IgA1. While its clinical manifestations are well defined…
Abstract Number: 1845 • ACR Convergence 2025
Immune Cell Profiles and Transcriptomic Signatures of Atherosclerosis in Systemic Lupus Erythemathosus
Rodolfo Martinez-Canales¹, Andres M. Ortiz-Rios², Braulio R. Avalos-Garcia², Eva Abigaid Galindo-Calvillo², Mario Cesar Salinas-Carmona¹, Noe Macias-Segura¹, Lorena Perez-Barbosa², Dionicio A. Galarza-Delgado³ and Cassandra Michele Skinner-Taylor², ¹Immunology Service, Hospital Universitario Dr. José Eleuterio González, Universidad Autónoma de Nuevo León, Monterrey, Nuevo Leon, Mexico, ²Rheumatology Service, Hospital Universitario Dr. José Eleuterio González, Universidad Autónoma de Nuevo León, Monterrey, Nuevo Leon, Mexico, ³Rheumatology Service, Hospital Universitario Dr. José Eleuterio González, Universidad Autónoma de Nuevo León, Monterrey, Mexico
Background/Purpose: Systemic lupus erythematosus (SLE) significantly increases the risk of premature atherosclerosis, contributing to long-term morbidity and mortality. Traditional cardiovascular risk factors do not fully…
Abstract Number: 0944 • ACR Convergence 2025
L-sepiapterin treatment reduces renal cortical gene expression associated with oxidative stress and fibrosis in NZM2410 murine lupus nephritis
Dayvia Russell¹, Soroush Moradi², Suganya Subramanian², Silvia Vaena², Sandra Mungaray², Stanley Hoffman², Stefano Berto² and Jim Oates², ¹Ralph H. Johnson VA, Charleston, SC, ²Medical University of South Carolina, Charleston, SC
Background/Purpose: Systemic lupus erythematosus (SLE) is a disease of endothelial (EC) dysfunction. We hypothesize that much of this dysfunction stems from uncoupling of endothelial nitric…
Abstract Number: 1834 • ACR Convergence 2025
Integrative Bioinformatics Analysis Reveals Key Genes and Immune Profiles Associated with Preeclampsia in Lupus Pregnancy
Rodolfo Martinez-Canales¹, Eva Abigaid Galindo-Calvillo², Andres M. Ortiz-Rios², Braulio R. Avalos-Garcia², Lorena Perez-Barbosa², Dionicio A. Galarza-Delgado³, Cassandra Michele Skinner-Taylor², Mario Cesar Salinas-Carmona¹ and Noe Macias-Segura¹, ¹Immunology Service, Hospital Universitario Dr. José Eleuterio González, Universidad Autónoma de Nuevo León, Monterrey, Nuevo Leon, Mexico, ²Rheumatology Service, Hospital Universitario Dr. José Eleuterio González, Universidad Autónoma de Nuevo León, Monterrey, Nuevo Leon, Mexico, ³Rheumatology Service, Hospital Universitario Dr. José Eleuterio González, Universidad Autónoma de Nuevo León, Monterrey, Mexico
Background/Purpose: Preeclampsia (PE) is a serious complication of pregnancy associated with significant maternal and fetal outcomes. Systemic lupus erythematosus (SLE) significantly increases the risk of…
Abstract Number: 0846 • ACR Convergence 2025
A Longitudinal Transcriptomic Study of Mycophenolate Mofetil in Systemic Sclerosis Skin with Clinical and Molecular Stratification
Rezvan Parvizi¹, Zhiyun Gong², Natania Field³, Helen Jarnagin², Dillon Popovich², Monica Yang⁴, Kathleen Aren⁵, Mary Carns⁶, Isaac Goldberg⁷, Lorinda Chung⁸, Vivien Goh⁹, Zsuzsanna McMahan¹⁰, Tammara Wood¹¹, Dinesh Khanna¹², Monique Hinchcliff¹³ and Michael Whitfield¹⁴, ¹Dartmouth, lebanon, NH, ²Dartmouth College, Lebanon, NH, ³Northwestern Memorial Hospital, Chicago, IL, ⁴UCSF, San Francisco, CA, ⁵Northwestern University Division of Rheumatology, Chicago, IL, ⁶Northwestern University, Chicago, IL, ⁷Wayne State University, Detroit, ⁸Stanford University, Stanford, CA, ⁹Northwestern, Chicago, ¹⁰UT Health Houston, Houston, TX, ¹¹Dartmouth, Hanover, NH, ¹²University of Michigan, Ann Arbor, MI, ¹³Yale School of Medicine, Westport, CT, ¹⁴Geisel School of Medicine, Lebanon, NH
Background/Purpose: Mycophenolate Mofetil (MMF) is the most commonly prescribed immunosuppressive treatment for patients diagnosed with diffuse cutaneous systemic sclerosis (dcSSc). Here, we analyzed skin gene…
Abstract Number: 1821 • ACR Convergence 2025
Transcriptiomics of tear RNA from children with active and inactive chronic anterior uveitis
Donna Do¹, Brandon Michalidas², Mariia Pavlenko³, Alexandra Duell², Sheila Angeles-Han⁴ and Grant Schulert², ¹Cincinnati Children's Hospital Medical Center, Division of Rheumatology, Cincinnati, OH, ²Cincinnati Children's Hospital Medical Center, Cincinnati, OH, ³Cincinnati Children`s Hospital Medical Center, Cincinnati, OH, ⁴Cincinnati Children's Hospital, Cincinnati, OH
Background/Purpose: Chronic anterior uveitis (CAU) is a potentially sight-limiting complication of pediatric rheumatic diseases, including juvenile idiopathic arthritis. However, the underlying inflammatory biology of CAU…
Abstract Number: 0823 • ACR Convergence 2025
Longitudinal model of paired peripheral blood CITE-seq and skin scRNA-seq data in juvenile systemic sclerosis (jSSc) patients following autologous stem cell transplant (ASCT) reveals reduced expression of SSc marker genes
Julia Elrod¹, Theresa hutchins², Anwesha Sanyal², Paul Szabolcs², Paulina Horvei², Jon Li², F. William Townes¹ and Kathryn Torok², ¹Carnegie Mellon, Pittsburgh, PA, ²University of Pittsburgh, Pittsburgh, PA
Background/Purpose: Juvenile systemic sclerosis (jSSc) is a rare, life-threatening autoimmune disease characterized by fibrosis and immune dysregulation. Autologous stem cell transplant (ASCT) is an emerging…
Abstract Number: 1819 • ACR Convergence 2025
Spatial Transcriptomic Profiling Reveals Interferon Activation and CD8⁺ T Cell Dominance in Systemic Juvenile Idiopathic Arthritis-Macrophage Activation Syndrome Liver Inflammation
Esraa Eloseily¹, Taskin Sabit², Lara Berklite³, Grant Schulert⁴ and Alexei Grom⁴, ¹UT Southwestern Children's Medical Center, Dallas, TX, ²Cincinnati Children's Hospital Medical Center, Division of Rheumatology, Cincinnati, OH, ³Cincinnati Children's Hospital, Cincinnati, OH, ⁴Cincinnati Children's Hospital Medical Center, Cincinnati, OH
Background/Purpose: Systemic juvenile idiopathic arthritis (SJIA) with macrophage activation syndrome (MAS) involves severe systemic inflammation and hepatocellular injury. Our prior histopathology studies showed increased CD8⁺…
Abstract Number: 0811 • ACR Convergence 2025
SSc Skin Cell Atlas: a Scalable Web Portal for scRNA-Seq Analysis
Helen Jarnagin¹, Zhiyun Gong¹, Rachael Bogle², Alex Tsoi², Rezvan Parvizi³, Madeline Morrisson⁴, Dinesh Khanna⁵, Johann Gudjonsson⁵ and Michael Whitfield⁶, ¹Dartmouth College, Lebanon, NH, ²University of Michigan, Holland, OH, ³Dartmouth, lebanon, NH, ⁴Geisel School of Medicine at Dartmouth College, Hanover, NH, ⁵University of Michigan, Ann Arbor, MI, ⁶Geisel School of Medicine, Lebanon, NH
Background/Purpose: Despite the recent popularity and utility of modern high-resolution sequencing technologies, leveraging publicly available single-cell studies remains hampered by the need for substantial computational…
Abstract Number: 1816 • ACR Convergence 2025
Single-Cell RNA-Transcriptomics of JDM Skin Identifies JDM-Associated Immune Cell Populations and Dysregulated Interferon Signaling in Immune and Endothelial Cells
Chioma Madubata¹, Jessica Neely², Christine Goudsmit³, Celine Berthier⁴, Zilan Zheng⁵, Sophia Matossian⁴, Jeffrey Dvergsten⁶, Andrew Heaton⁷, J. Michelle Kahlenberg⁴, Gabrielle Fragiadakis⁸ and Jessica Turnier⁹, ¹UCSF, SF, CA, ²UCSF, San Francisco, CA, ³University of Michigan, Ann Arbor, ⁴University of Michigan, Ann Arbor, MI, ⁵University of California, San Francisco, San Francisco, CA, ⁶Duke University Hospital, Hillsborough, NC, ⁷Cure JM Foundation, Anthony, FL, ⁸UCSF, San Francisco, ⁹University of Michigan, Saline, MI
Background/Purpose: Juvenile dermatomyositis (JDM) is the most common idiopathic inflammatory myopathy in children. JDM often presents with rash, and skin inflammation is more refractory to…
Abstract Number: 0797 • ACR Convergence 2025
Spatial transcriptomics identifies density-sensing fibroblasts in synovial lining
Sonia Presti¹, Kseniia Anufrieva², Ce Gao³, Sean Prell², Philip Blazar², Jeffrey Lange², Morgan Jones², Mihir Wechalekar⁴, Michael Brenner², Ilya Korsunsky⁵, Shideh Kazerounian² and Kevin Wei⁶, ¹Standford University, Stanford, ²Mass General Brigham, Boston, ³Division of Rheumatology, Inflammation and Immunity, DOM, BWH; Harvard Medical School, Boston, MA, ⁴Flinders Medical Centre, Adelaide, Australia, ⁵Division of Rheumatology, Inflammation and Immunity, DOM, BWH; Division of Genetics, DOM, BWH; Harvard Medical School, Boston, MA, ⁶Brigham and Women's Hospital at Harvard Medical School, Boston, MA
Background/Purpose: The synovial lining is crucial for joint homeostasis, forming a barrier and producing lubricants through specialized fibroblasts. These fibroblasts differ from sublining fibroblasts, which…
Abstract Number: 0083 • ACR Convergence 2024
Culturing and Comparative Analysis of Small Intestinal Organoids from SKG and MIFKO-SKG Mice
Mariia Korshko¹, Shaghayegh Foroozan Boroojeni² and Nigil Haroon³, ¹University Health Network, Toronto, ON, Canada, ²UHN, Toronto, Canada, ³Department of Medicine/Rheumatology, University Health Network, Schroeder Arthritis Institute, University of Toronto, Toronto, ON, Canada
Background/Purpose: Axial Spondyloarthritis (AxSpA) is a chronic inflammatory disease affecting both the joints and gut, with 60% of patients showing microscopic and 10% overt IBD…
Abstract Number: 0953 • ACR Convergence 2024
Establishment of Systemic Sclerosis Associated Pulmonary Arterial Hypertension Specific Endothelial Cells Through iPSCs and Their Functional and Molecular Analyses
Yuki Kudo¹, Masaru Kato¹, Yuhei Shibata², Ryo Hisada¹, Michihito Kono¹, Yuichiro Fujieda¹, Olga Amengual³ and Tatsuya Atsumi¹, ¹Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan, Sapporo, Japan, ²Rheumatology Department, Hokkaido Medical Center for Rheumatic Diseases, Sapporo, Japan., Sapporo, Japan, ³Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
Background/Purpose: Systemic sclerosis associated pulmonary arterial hypertension (SSc-PAH) is of particularly clinical interest since its outcomes remain unfavorable despite modern PAH therapies. Previous reports showed…

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