HLA-DQβ链57位氨基酸与上海地区汉族IDDM易感性

被引:4
作者
马骏先
孙荣
费虹明
王伟成
许曼音
胡远峰
陈凤生
张洪德
顾芷芳
范丽安
罗敏
陈仁彪
陈家伦
机构
[1] 上海第二医科大学附属瑞金医院
[2] 上海第二医科大学
[3] 上海第二医科大学
[4] 上海市瑞金医院
[5] 上海市第一人民医院
[6] 上海市瑞金医院
[7] 上海市第一人民医院
[8] 上海市免疫学研究所
[9] 上海第二医科大学附属瑞金医院 上海市内分泌研究所 200025
[10] 上海市内分泌研究所 200025
关键词
Ⅰ型糖尿病; DQβ链57位氨基酸; 易感性;
D O I
暂无
中图分类号
学科分类号
摘要
用聚合酶链反应(PCR)扩增了IDDM患者组和对照组DNADQEB1位点第二外显子片段,并与SSO杂交。结果表明:分析DQβ链57位为非门冬氨酸(NA)/门冬氨酸(A)杂合子时DQ-α52位为精氨酸或非精氨酸带来的易感性或抵抗性,可见白种人和黄种人IDDM关联格局是一致的;HLA-DQB链57位为A时与IDDM负关联,为NA时与IDDM正关联。黄种人中NA纯合子频率极低(0.16),可能是构成黄种人IDDM发病率远比白种人低的原因之一。
引用
收藏
页数:5
相关论文
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