Antibody profile in systemic sclerosis patients: A cross-sectional study from Kashmir Valley of India
Keywords:
Anti-centromere antibody, antinuclear antibody, anti-Scl70 antibody, systemic sclerosisAbstract
Objective This study aimed to find the prevalence of the most common antibodies in patients of systemic sclerosis and to ascertain their prevalence with the limited and diffuse cutaneous variants of systemic sclerosis. Methods Thirty-four patients of systemic sclerosis, attending the dermatology department, diagnosed as per the American Rheumatology Association criteria were recruited for this cross-sectional study. They were classified as having limited and diffuse systemic sclerosis. All patients were subjected to serum estimations of antinuclear antibodies, anticentromere antibodies and anti-Scl70 antibodies. The results were tabulated and analyzed for possible association between disease subsets and antibodies. Results There were 27 patients with limited disease and 7 with diffuse disease. Antinuclear antibodies were seen in 76.5% of all patients. Anticentromere antibodies were seen in 9 (33.3%) limited disease patients and 1 (14.3%) in diffuse variant. The total prevalence of anticentromere antibodies was 29.4%. Anti-Scl70 antibodies were found in 5 (18.6%) and 3 (42.9%) patients of limited and diffuse disease subset, respectively. Overall, these antibodies were seen in 23.5% patients. Conclusion Anticentromere antibodies are more common in limited systemic sclerosis while anti-Scl70 antibodies are seen more frequently in diffuse systemic sclerosis. Thus, these antibodies can act as a marker of future disease activity, severity of disease and prognosis.References
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