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HLA-DMA及DMB基因与1型糖尿病相关性的研究进展 被引量:2

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摘要 现有研究资料表明:和经典的人主要组织相容性复合体(HLA)Ⅱ类基因一样,HLAⅡ类非经典基因DMA及DMB基因与1型糖尿病存在显著的相关性且存在一定的人种差异。HLA经典Ⅱ类分子抗原结合槽所结合肽的性质对1型糖尿病的发病有着重要影响。推测在HLA经典Ⅱ类分子所允许结合的一系列肽系中,DM易感性基因或二聚体编码的DM分子在行使其功能的过程中,更易使致糖尿病性肽复合物“得以生存”,并被呈递至细胞表面,使辅助性T细胞(Th)1/Th2比例上调,从而导致1型糖尿病的发生。对多人种进行包含DM分子在内的扩展单倍型与1型糖尿病易感相关性的研究有着重要的意义。
作者 桑艳梅 颜纯
出处 《国外医学(内分泌学分册)》 2005年第2期78-80,共3页 Foreign Medical Sciences(Section of Endocrinology)
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参考文献13

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二级参考文献23

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