多个新型血小板蛋白基因中的单核酸多态可能与家族性早发性心肌梗塞有关
E J Topol1, J McCarthy, S Gabriel
1Cleveland Clinic Foundation, Cleveland, Ohio, USA. topole@ccf.org
Circulation
|November 28, 2001
概括
血栓松丁基因家族中的遗传变异与早发性冠状动脉疾病有关. 血栓蛋白基因的新型变异与家族性心肌梗塞有关,需要进一步研究.
科学领域:
- 遗传学 是一个遗传学.
- 心血管疾病研究研究
- 分子生物学分子生物学
背景情况:
- 高通量基因组学可以对早期冠状动脉疾病 (CAD) 等疾病的遗传变异进行分类.
- 了解遗传倾向对于识别患有早期心脏病风险的个体至关重要.
研究的目的:
- 研究血管生物学基因中的新型遗传变异与早发性冠状动脉疾病 (CAD) 之间的关联.
- 识别可能与家族性心肌梗塞 (MI) 相关的特定血栓蛋白基因变异.
主要方法:
- 基因组分析72个单核酸多态 (SNPs) 跨62个血管生物学基因在398个早产CAD的家庭.
- 统计关联测试,以确定与心肌梗塞,再血管化或45岁 (男性) 或50岁 (女性) 之前的显著冠状动脉病变相关的SNP.
主要成果:
- 三个血栓蛋白家族成员的新型变异与早发性CAD有关.
- 一种血栓素4 (THBS4) 误解变体 (A387P) 显示出与MI的最强相关性 (OR=1.89,P=0.002).
- 一种血栓素2 (THBS2) 3' UTR 变体显示出对MI (OR=0.31,P=0.0018) 的保护作用,而一种THBS1误解变体 (N700S) 与增加的CAD风险 (OR=11.90,P=0.041) 有关.
结论:
- 血栓蛋白基因家族中的多个新型变异显示出与家族性早发性心肌梗塞的潜在关联.
- 血栓素和高通量基因组技术在家族性缺血性心脏病的背景下需要进一步研究.
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