The American journal of the medical sciences · 2014
Decreased interleukin 35 and CD4+EBI3+ T cells in patients with active systemic lupus erythematosus.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Ouyang Han, Shi Yong-Bing, Liu Zhi-Chun, Wang Zhi, Feng Sheng, Kong Shu-Min, Lu Ying
Аннотация
BACKGROUND: Interleukin 35 (IL-35) is likely to contribute to the development of autoimmune diseases, as the Epstein-Barr virus-induced gene protein 3 (EBI3) is the specificity subunit of IL-35. Nevertheless, until recently, no studies have evaluated its role in systemic lupus erythematosus (SLE) in humans. The objective of this study was to investigate the serum IL-35 level and the percentage of CD4EBI3 T cells in the peripheral blood of patients with SLE and explore the roles of double-positive T cells and IL-35 in the pathogenesis of SLE and the effects of glucocorticoid on these roles.
METHODS: Fifty-five hospitalized patients with SLE were recruited, and 20 volunteers were enrolled as healthy controls. Serum IL-35 levels were measured by enzyme-linked immunosorbent assay, and the percentage of CD4EBI3 T cells was analyzed by flow cytometry.
RESULTS: The serum IL-35 level and the percentage of CD4EBI3 T cells were significantly decreased in patients with active SLE compared with healthy controls and patients with inactive SLE. The serum IL-35 level and the percentage of CD4EBI3 T cells were negatively correlated with the SLE disease activity index. The percentages of CD4EBI3 T cells and serum IL-35 levels in 10 untreated patients with active SLE were increased at days l, 3, and 7 after the treatment with methylprednisolone (0.8 mg·kg·d) compared with the percentages before the treatment.
CONCLUSIONS: These results demonstrate that abnormalities in IL-35 and CD4EBI3 T cells may play important roles in the pathogenesis of SLE; the percentage of double-positive T cells and the level of IL-35 are parameters for the evaluation of SLE activity and severity.
METHODS: Fifty-five hospitalized patients with SLE were recruited, and 20 volunteers were enrolled as healthy controls. Serum IL-35 levels were measured by enzyme-linked immunosorbent assay, and the percentage of CD4EBI3 T cells was analyzed by flow cytometry.
RESULTS: The serum IL-35 level and the percentage of CD4EBI3 T cells were significantly decreased in patients with active SLE compared with healthy controls and patients with inactive SLE. The serum IL-35 level and the percentage of CD4EBI3 T cells were negatively correlated with the SLE disease activity index. The percentages of CD4EBI3 T cells and serum IL-35 levels in 10 untreated patients with active SLE were increased at days l, 3, and 7 after the treatment with methylprednisolone (0.8 mg·kg·d) compared with the percentages before the treatment.
CONCLUSIONS: These results demonstrate that abnormalities in IL-35 and CD4EBI3 T cells may play important roles in the pathogenesis of SLE; the percentage of double-positive T cells and the level of IL-35 are parameters for the evaluation of SLE activity and severity.