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儿童1型糖尿病外周血Foxp3^+调节T细胞和细胞因子变化及相关分析 被引量：4

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摘要 目的探讨初发儿童1型糖尿病(T1DM)外周血CD4+CD25+Foxp3+调节性T细胞(Foxp3+Treg)及相关细胞因子的表达水平与自身抗体和胰岛细胞功能的关系。方法 45例儿童T1DM(T1DM组)患儿根据有无并发酮症酸中毒(DKA)和是否出现自身抗体分为DKA组、非DKA组、自身抗体阳性组、自身抗体阴性组,30例正常健康儿童作为对照组。采用流式细胞术检测外周血Foxp3+Treg百分率,ELISA法检测血清IL-18、IL-10的表达水平,免疫印迹法(IB)检测血清谷氨酸脱羧酶抗体(GADA)、胰岛素瘤相关蛋白2自身抗体(IA-2A)和胰岛素自身抗体(IAA);电化学发光法(ECLIA)检测血清空腹C肽(FC-P)水平。结果 T1DM组外周血Foxp3+Treg百分率、血清IL-10水平和FCP含量明显低于正常对照组(P<0.01),而血清IL-18水平则显著高于正常对照组(P<0.01);DKA组、自身抗体阳性组外周血Foxp3+Treg百分率和FCP含量明显低于非DKA组和自身抗体阴性组(P<0.01),血清IL-18水平则显著高于非DKA组和自身抗体阴性组(P<0.01),IL-10在T1DM各组间差异无统计学意义。T1DM组患者GADA、IA-2A和IAA的检出率明显高于正常对照组(P<0.01,P<0.05)。相关分析显示,Foxp3+Treg百分率与IL-10、FC-P水平呈正相关,而与IL-18水平及自身抗体呈负相关;IL-18与自身抗体呈正相关,而与IL-10、FC-P呈负相关;IL-10水平与FC-P含量及胰岛自身抗体无明显相关性。结论初发儿童1型糖尿病外周血Foxp3+Treg百分率减低及相关细胞因子的表达水平失衡可能参与了儿童T1DM的发生和发展,并与自身抗体和胰岛细胞功能相关。
作者 欧阳良良 毛卫未 伍模鑫 石玉英 冷耀明 何继新
机构地区 九江学院附属医院检验科
出处 《细胞与分子免疫学杂志》 CAS CSCD 北大核心 2013年第1期76-78,共3页 Chinese Journal of Cellular and Molecular Immunology
关键词 1型糖尿病 儿童 FOXP3 调节性T细胞 细胞因子
分类号 R392.12 [医药卫生—免疫学] R587.1 [医药卫生—内分泌]
  • 相关文献

参考文献11

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二级参考文献42

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共引文献42

同被引文献48

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引证文献4

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细胞与分子免疫学杂志
2013年 第1期

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