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ORIGINAL ARTICLE
Year : 2017  |  Volume : 146  |  Issue : 2  |  Page : 224-229

Clinical & immunological characteristics in systemic lupus erythematosus patients


1 Immunology Research Center, Faculty of Medicine, Buali Research Institute, Mashhad University of Medical Sciences Mashhad, Iran
2 Rheumatic Disease Research Center, Internal Medicine Department, Faculty of Medicine, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran

Correspondence Address:
Dr Maryam Rastin
Immunology Research Center, Faculty of Medicine, Buali Research Institute, Mashhad University of Medical Sciences, Mashhad
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijmr.IJMR_1356_15

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Background & objectives: Systemic lupus erythematosus (SLE) is a chronic autoimmune disease which affects females more than males. Gender affects the manifestations of SLE and men with lupus show more severe symptoms and worse prognosis. This study was aimed to compare clinical and immunological features in female and male lupus patients in Iran. Methods: Demographic, clinical and laboratory data from 78 women and 20 men with lupus were collected. Autoantibodies (against nRNP, Sm, SSA, SSB, Ro-52, CENP, Jo-1, Scl-70, nucleosome, anti-dsDNA, histone and Rib-p protein) were determined using immunoblotting technique. Results: Men with lupus had less anti-SSA (21.1 vs 48.1%) and anti-Ro52 (10.5 vs 44.3%) antibodies when compared to women and none of the male patients had anti-SSB antibodies. Kidney damage was more frequent in men (68.4% in men vs 36.7% in women). In men with kidney involvement, anti-dsDNA increased significantly (84.6 vs 20.0%) in comparison to males without nephritis. Anti-SSA (7.7 vs 50.0%) and anti-nRNP (0.0 vs 33.8%) on the other hand, decreased. Women with renal involvement had no anti-SSB antibodies. Interpretation & conclusions: In male patients, SLE appeared with more severe features, and kidney damage was more frequent in males. The frequency of some autoantibodies was different between females and males. In males with kidney damage anti-dsDNA increased significantly, while anti-SSA and anti-nRNP decreased. Anti-SSB was not detected in males and females with nephritis.


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