摘要
目的:探讨三氧化二砷对MRL-lpr小鼠自身免疫反应及与凋亡相关的caspase家族的影响。方法:14只MRL-lpr小鼠,随机分为两组,实验组用三氧化二砷隔日腹腔注射,对照组用生理盐水,疗程结束后检测两组小鼠尿蛋白、抗双链DNA抗体、肾脏免疫球蛋白G沉积情况的变化及caspase-3表达情况和caspase-8活性变化。结果:实验组尿蛋白、抗双链DNA抗体水平均低于对照组,肾脏免疫球蛋白G沉积亦少于对照组;实验组caspase-3表达增多,caspase-8活性增强。结论:三氧化二砷对MRL-lpr小鼠自身免疫反应具有抑制作用,且这种抑制作用与其激活caspase家族成员,诱导淋巴细胞凋亡有关。
Objective:To investigate the effects of arsenic trioxide on autoimmunity and caspase family related to apoptosis in MRL - lpr mice. Methods: Fourteen MRL - lpr mice were randomly assigned into experimental group or control group. Mice in experimental group were treated with arsenic trioxide and thcxse in control group with saline. Proteinuria, anti - dsDNA antibody and IgG deposition in kidneys were detected after 55 days. Caspase - 3 expression and caspase - 8 activity of spleen lymphocytes in MRL lpr mice were measured at the same time. Results:The concentrations of proteinuria and anti - dsDNA antibody in experimental group were significantly lower than those in control group. There was less IgG deposition in kidneys in experimental group. After arsenic trioxide treatment, more caspase - 3 expressed and activity of caspase - 8 increased. Conclusion:Arsenic trioxide can suppress the autoimmunity in MRL- lpr mice, which may be related to activated easpase and lymphocyte apoptosis induced by arsenic trioxide.
出处
《中国中西医结合肾病杂志》
2009年第10期859-862,I0002,共5页
Chinese Journal of Integrated Traditional and Western Nephrology
基金
黑龙江省教育厅基金资助项目(No.11521084)
黑龙江省卫生厅基金资助项目(No.2005-148)
哈尔滨医科大学附属第一临床医学院青年基金资助项目(No.2007103)