Objective:To study the effect of immune regulation of the rat Leydig cells in testis infection.Methods:UU was injected into the bladders of rats,which mimics the ascending infection pathway,while using culture medium injection as control.After 1,2,3 w respectively,the rats were sacrificed to observe the pathological alterations in testis by histological examination.Leydig cell were also separated from testis,the comparation of levels of IL-1,IL-6,TGF-?,Fas and FasL mRNA expression among control and UU infected groups was made by RT-PCR.Results:Compared with control,in UU infected group,the levels of IL-1,IL-6,TGF-? increased,the level of Fas decreased,the level of FasL increased.Conclusion:Leydig cell can play the role of immune regulation,with the expressing changes of IL-1,IL-6,TGF-?,Fas and FasL in the infection of testis in rat.
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