(0280–0305) Muscle Biology, Myositis & Myopathies – Basic & Clinical Science Poster I

Sunday, October 26, 2025

10:30 AM - 12:30 PM Central Time

Location: Hall F1

CE: 0.00

Presentations:

10:30 AM - 12:30 PM Central Time

A Predictive Model for Liver Enzyme Elevations Based on Creatine Kinase in Idiopathic Inflammatory Myopathies
Abstract Poster Presenter: Shiri Keret, MD (she/her/hers) – Bnai Zion Medical Center
10:30 AM - 12:30 PM Central Time

Acute Onset Inflammatory Myositis: Clinical Features and Survival
Abstract Poster Presenter: Gollakota Nandita, MBBS/MD – NIMS, Hyderabad
10:30 AM - 12:30 PM Central Time

Aggregation of HARS1 and Internalized Antibodies in Muscle Biopsies of Patients with Antisynthetase Syndrome and anti-jo1(hars) Autoantibodies
Abstract Poster Presenter: Maria Casal-Dominguez, Staff Scientist – National Institutes of Health
10:30 AM - 12:30 PM Central Time

Anifrolumab for Treatment of Refractory Juvenile Dermatomyositis in Adult Patients
Abstract Poster Presenter: Connor Buechler, MD – University of Minnesota
10:30 AM - 12:30 PM Central Time

anti-il-6 Autoantibodies and IL-6 Signalling in Idiopathic Inflammatory Myopathies
Abstract Poster Presenter: Katja Perdan Pirkmajer, MD, PhD – University Medical Centre Ljubljana
10:30 AM - 12:30 PM Central Time

Clinical Meaningfulness and Improvement Thresholds of Myositis Core Set Measures: Association with Patient-Reported Outcomes
Abstract Poster Presenter: Raisa Lomanto Silva, MD (she/her/hers) – Massachusetts General Hospital
10:30 AM - 12:30 PM Central Time

Clinical relevance of low titer positive myositis-specific autoantibodies and myositis-associated autoantibodies in patients with an underlying malignancy.
Abstract Poster Presenter: Jocelyn Chow, MBBS (she/her/hers) – University of Ottawa
10:30 AM - 12:30 PM Central Time

Comparison of Organ Damage and Survival in Anti-synthetase Syndrome and Other Idiopathic Inflammatory Myopathies: An Analysis of Patients from Turkey
Abstract Poster Presenter: Ezgi Sahin, n/a (she/her/hers) – Istanbul University Istanbul Faculty of Medicine
10:30 AM - 12:30 PM Central Time

Comprehensive Profiling of Neutrophil Subsets Reveals Functional Signatures Linked to Vasculopathic Features in Patients with Inflammatory Myopathies
Abstract Poster Presenter: DANIEL CARRILLO VAZQUEZ, MD, MSc – Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán
10:30 AM - 12:30 PM Central Time

Concordance for myositis-specific autoantibody detection between commercial enzyme-linked immunosorbent assay and line blot assay: a multi-center study across the Asia-Pacific region
Abstract Poster Presenter: Takahisa Gono, MD – Nippon Medical School Graduate School of Medicine
10:30 AM - 12:30 PM Central Time

Delayed-Onset Myopathy in Dermatomyositis: A Retrospective Cohort Study
Abstract Poster Presenter: Connor Buechler, MD – University of Minnesota
10:30 AM - 12:30 PM Central Time

Exploring Malignancy in Anti-synthetase Syndrome: A Multisite Retrospective Study
Abstract Poster Presenter: Reena Yaman, MD, MS, BSc (she/her/hers) – Mayo Clinic Florida
10:30 AM - 12:30 PM Central Time

From Movement to Meaning: Exploring Physical Function in IBM with Actigraphy
Abstract Poster Presenter: Vaidehi Kothari, MBBS – University of Pittsburgh
10:30 AM - 12:30 PM Central Time

Glucocorticoid Tapering and Relapse Risk in Anti-ARS Antibody-Positive Myositis: A Retrospective Study in a Single-Center Cohort Treated with Immunosuppressants
Abstract Poster Presenter: Ayaka Inoue, MD – Kakogawa Central City Hospital, Kakogawa, Japan.
10:30 AM - 12:30 PM Central Time

Interpreting Myositis Autoantibody Line-Blot Immunoassays in Real-World Settings: Implications for Diagnostic Accuracy for Inflammatory Myopathies
Abstract Poster Presenter: Pei-Hsinq Lai, MD – Taipei City Hospital
10:30 AM - 12:30 PM Central Time

Inter-rater Reliability of Hand-Held Dynamometry in Patients with Idiopathic Inflammatory Myopathy
Abstract Poster Presenter: Niladri Bhowmick, DM – Yashoda Hospital, Hyderabad
10:30 AM - 12:30 PM Central Time

Longitudinal Serum Proteomic Profiles – A Step Closer to Personalized Monitoring in Dermatomyositis
Abstract Poster Presenter: Natasha Le Blanc, MD, BSc – McGill University
10:30 AM - 12:30 PM Central Time

Multidimensional Analysis of Fatigue in Idiopathic Inflammatory Myopathies: Clinical, Psychological, and Sociodemographic Determinants
Abstract Poster Presenter: Manali Sarkar, MBBS (she/her/hers) – Sir H. N. Reliance Foundation Hospital and Research Centre, Mumbai, Maharashtra, India.
10:30 AM - 12:30 PM Central Time

Novel HMGCS1 Deficiency Expands Proinflammatory Monocytes and Cytotoxic Populations with Increased Cytokine Release
Abstract Poster Presenter: Sabrina Helmold Hait, PhD (she/her/hers) – NIAMS, NIH
10:30 AM - 12:30 PM Central Time

Patterns and Predictors of Longitudinal Trajectories of Pain in Individuals with Inflammatory Myopathies
Abstract Poster Presenter: Haley Zimmerman, MD (she/her/hers) – Rush University Medical Center
10:30 AM - 12:30 PM Central Time

Predictors and Characteristics of Objective Flares in Adult Dermatomyositis
Abstract Poster Presenter: Didem Saygin, MD – Rush University Medical Center
10:30 AM - 12:30 PM Central Time

Presence of Anti-cN-1A (Mup44, NT5c1A) IgG is Specific for Sporadic Inclusion Body Myositis
Abstract Poster Presenter: Jackie Weiss, PhD – EUROIMMUN US
10:30 AM - 12:30 PM Central Time

Sera from dermatomyositis patients induce muscle weakness via activation of type I interferon (IFN) receptors.
Abstract Poster Presenter: Daniel C. Andersson, MD;PhD (he/him/his) – Karolinska Institutet
10:30 AM - 12:30 PM Central Time

Standardized Interoperable Data Collection for Myositis Research: Developing Common Data Elements for Myositis Disease Activity Core Set Measures
Abstract Poster Presenter: Didem Saygin, MD – Rush University Medical Center
10:30 AM - 12:30 PM Central Time

The Performance of Rule-Based Algorithms to Identify Patients With Idiopathic Inflammatory Myopathies in Electronic Health Records
Abstract Poster Presenter: Ana Valle, MD, MHS – Brigham and Women's Hospital
10:30 AM - 12:30 PM Central Time

Urine Kynurenine Pathway Biomarkers Correlate with Disease Activity and Damage Core Set Measures in JDM
Abstract Poster Presenter: Shannon O'Connor, MD, PhD – Cincinnati Children's Hospital Medical Center