Abstracts tagged "antibodies and diagnosis"

Abstract Number: 515 • 2013 ACR/ARHP Annual Meeting
Does Multiplex Flow Immunoassay Underdetect SSA and SSB Antibodies? An Evaluation Of The Sjogren’s International Collaborative Clinical Alliance (SICCA) Cohort
Alan N. Baer¹, Laura Gutierrez², Mara McAdams DeMarco³, Mi Y. Lam⁴, Livia Casciola-Rosen⁵, Stephen Shiboski⁶, Caroline Shiboski⁴ and Lindsey A. Criswell⁷, ¹Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, ²Center Tower Ste 5300, Johns Hopkins University, Baltimore, MD, ³Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, ⁴Orofacial Sciences, University of California San Francisco, San Francisco, CA, ⁵Division of Rheumatology, Johns Hopkins University, Baltimore, MD, ⁶University of California, San Francisco, San Francisco, CA, ⁷Department of Medicine, University of California, San Francisco, Rosalind Russell Medical Research Center for Arthritis, San Francisco, CA
Background/Purpose: Multiplex flow immunoassays (MFIA) are used by clinical laboratories to test for antibodies to extractable nuclear antigens. The use of blended Ro52 and…
Abstract Number: 516 • 2013 ACR/ARHP Annual Meeting
Prevalence Of Seronegative Sjogren’s Syndrome: A Comparative Study From The Sjogren’s International Collaborative Clinical Alliance (SICCA) Cohort
Alan N. Baer¹, Laura Gutierrez², Mara McAdams DeMarco³, Mi Y. Lam⁴, Livia Casciola-Rosen⁵, Stephen Shiboski⁶, Caroline Shiboski⁴ and Lindsey A. Criswell⁷, ¹Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, ²Center Tower Ste 5300, Johns Hopkins University, Baltimore, MD, ³Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, ⁴Orofacial Sciences, University of California San Francisco, San Francisco, CA, ⁵Division of Rheumatology, Johns Hopkins University, Baltimore, MD, ⁶University of California, San Francisco, San Francisco, CA, ⁷Department of Medicine, University of California, San Francisco, Rosalind Russell Medical Research Center for Arthritis, San Francisco, CA
Background/Purpose: Individuals with primary Sjogren’s syndrome (SS) may lack systemic autoantibodies. When defined by the absence of anti-SSA and –SSB antibodies, the reported range…