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- W575016868 abstract "目的 探讨1α,25二羟维生素D3(1,25D3)对经典1型糖尿病(T1DM)Th1/Th2比值平衡的免疫调节作用.方法 选择6例新发病、GAD-Ab阳性的T1DM患者,6名年龄、性别匹配的健康志愿者为对照(NC);间接免疫荧光鉴定细胞维生素D受体(VDR)的表达;免疫印迹法分析VDR蛋白的表达;连续梯度离心法分离人外周单个核细胞(PBMC);酶联免疫斑点法定量检测GAD65反应性分泌IFN-γ、IL-4细胞,分别代表Th1、Th2细胞.结果 (1)T1DM的PBMC胞核表达VDR;(2)T1DM组Th1、Th2、Th1/ Th2均值分别为18.0、3.0、6.0,NC组为2.5、3.5、0.71,T1DM组1,25D3作用后则分别为5.6、4.5、1.22,溶剂(无水乙醇)对照组分别为1.5、3.2、4.8.T1DM组的Th1及Th1/Th2均明显高于NC组(P<0.01);与溶剂组比较,T1DM组1,25D3作用后的Th1及Th1/Th2均明显降低(P<0.05);三组间的Th2值差异无统计学意义(P>0.05).结论 1,25D3对T1DM患者的GAD65反应性分泌IFN-γ的Th1细胞具有直接抑制作用,显著改善Th1/Th2的免疫失衡状态." @default.
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- W575016868 date "2007-07-09" @default.
- W575016868 modified "2023-10-17" @default.
- W575016868 title "1α,25二羟维生素D3对1型糖尿病Th1/Th2平衡的调节作用" @default.
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