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IL17RA和IL21R多态影响1型糖尿病倾向和自身免疫表型
Cintia Semzezem1, Karla Fabiana Brasil Gomes1, Aritania Sousa Santos1
1Laboratório de Carboidratos e Radioimunoensaios (LIM-18) do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil.
Frontiers in endocrinology
|September 22, 2025
概括
介素受体IL-17RA和IL-21R的多态性影响1型糖尿病 (T1D) 的风险和自身抗体的存在. 特定变异与患者的T1D易感性增加和自身抗体概况改变有关.
科学领域:
- 免疫学 免疫学 免疫学
- 遗传学 是一个遗传学.
- 内分泌学 在内分泌学.
背景情况:
- 介素受体与自身免疫性疾病有关,但它们在1型糖尿病 (T1D) 中的作用尚未完全理解.
- 在IL-17RA和IL-21R基因中的多态可能会影响T1D易感性和相关的自身免疫表现.
研究的目的:
- 研究IL-17RA和IL-21R基因中的特定多态性对T1D易感性的影响.
- 评估这些遗传变异与T1D患者中各种自身抗体的存在之间的关联.
主要方法:
- 在639名T1D患者和653名健康对照人群中,使用VeraCode GoldenGate测试对选定IL17RA和IL21R变异的基因型定型.
- 使用放射性免疫检测,ELISA和放射性标记的受体检测,评估自身抗体,包括抗IA2,抗parietal细胞,抗内,抗thyroperoxidase和TSH受体 (TRAb).
主要成果:
- 两种IL17RA变体 (IL21R中的rs2241049G和rs7199138C) 与增加T1D易感性有关.
- 特定的IL17RA变异 (rs879577A,rs5748863G) 与保护和降低抗IA2自身抗体频率有关.
- IL21R和IL17RA变种显示与抗parietal细胞,抗内,抗thyroperoxidase和TRAb自身抗体的频率变化的关联.
结论:
- 在IL17RA和IL21R基因中的多态性在T1D病变发生过程中发挥作用.
- 这些遗传变异可以调节T1D患者胰腺和胰腺外自身抗体的存在.
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