Abstract
Background and aimsThe prevalence of recurrent miscarriage (RM) is about 1–3% of women; the pathogenesis of RM is not fully understood yet. This study aims to assess the sperm antigen specific regulatory T cells (Treg) in women with RM. MethodsA group of women with RM was recruited into this study. The sperm antigen was extracted from the semen samples of each woman's husband. The sperm antigen specific T cell response was assessed by flow cytometry. ResultsLow frequency of sperm specific Tregs and high frequency of T helper (Th)1 cells were detected in RM women as compared with women without RM. The sperm specific Tregs in RM women expressed less Ubc13. Knockdown of Ubc13 from Tregs converted the Tregs to effector T cells. ConclusionsImmune deregulation may play an important role in RM.
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