Prevalence of non-organ-specific autoantibodies in patients with pemphigus vulgaris

Journal of Cutaneous Medicine and Surgery
David A BlondinP Régine Mydlarski

Abstract

Pemphigus vulgaris (PV) is a potentially life-threatening, organ-specific, autoimmune, blistering disease of the skin and mucous membranes. Although several reports suggest an association between pemphigus and other autoimmune connective tissue disorders, studies that measure non-organ-specific autoantibodies are lacking. To evaluate the prevalence of antinuclear antibodies (ANA), anti-double-stranded DNA (anti-dsDNA) antibodies, and antibodies against extractable nuclear antigens (ENAs) in PV patients. Serum samples were obtained from 59 PV patients and 50 healthy controls. Indirect immunofluorescence assays containing human epithelial cell substrates (HEp-2) and Crithidia luciliae were used to detect ANA and anti-dsDNA antibodies, respectively. A multiplexed addressable laser bead immunoassay was employed to measure autoantibodies to: Smith (Sm), ribonucleoprotein (RNP), Sjögren syndrome B (SSB/La), Sjögren syndrome A (SSA/Ro), histidyl transfer ribonucleic acid synthetase (Jo-1), topoisomerase I (Scl-70), and ribosome-P (Ribo-P) antigens. Positive ANAs were obtained in 22 of 59 (37.3%) PV patients compared with 4 of 50 (8.0%) healthy controls (p <or= .01). In both the patient and control populations, anti-dsDNA antibodies we...Continue Reading

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Related Concepts

Fluorescent Antinuclear Antibodies
Pemphigus Foliaceus
Indirect Immunofluorescence
Extractable Nuclear Antigens
Antibodies, Antinuclear
Autoantibodies
Autoimmune Diseases
Clinical Research
Connective Tissue Diseases
DNA Topoisomerases, Type I

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