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Genome-wide association meta-analysis of spontaneous coronary artery dissection identifies risk variants and genes related to artery integrity and tissue-mediated coagulation
Nature Genetics ( IF 30.8 ) Pub Date : 2023-05-29 , DOI: 10.1038/s41588-023-01410-1
David Adlam 1, 2 , Takiy-Eddine Berrandou 3, 4 , Adrien Georges 3 , Christopher P Nelson 1, 2 , Eleni Giannoulatou 5, 6 , Joséphine Henry 3 , Lijiang Ma 7 , Montgomery Blencowe 8, 9 , Tamiel N Turley 10 , Min-Lee Yang 11, 12, 13 , Sandesh Chopade 14, 15 , Chris Finan 14, 15 , Peter S Braund 1, 2 , Ines Sadeg-Sayoud 3 , Siiri E Iismaa 5, 6 , Matthew L Kosel 16 , Xiang Zhou 17 , Stephen E Hamby 1, 2 , Jenny Cheng 8, 9 , Lu Liu 3 , Ingrid Tarr 5 , David W M Muller 5, 6, 18 , Valentina d'Escamard 19 , Annette King 20 , Liam R Brunham 21 , Ania A Baranowska-Clarke 1, 2 , Stéphanie Debette 22 , Philippe Amouyel 23 , Jeffrey W Olin 20 , Snehal Patil 17 , Stephanie E Hesselson 5, 6 , Keerat Junday 5, 6 , Stavroula Kanoni 24 , Krishna G Aragam 25, 26, 27, 28 , Adam S Butterworth 29, 30, 31 , , , , Marysia S Tweet 32 , Rajiv Gulati 32 , Nicolas Combaret 33 , , Daniella Kadian-Dodov 20 , Jonathan M Kalman 34, 35 , Diane Fatkin 5, 6, 18 , Aroon D Hingorani 14, 15 , Jacqueline Saw 36 , Tom R Webb 1, 2 , Sharonne N Hayes 32 , Xia Yang 8, 9, 37, 38 , Santhi K Ganesh 11, 13 , Timothy M Olson 32, 39 , Jason C Kovacic 5, 6, 18, 19, 20 , Robert M Graham 5, 6, 18 , Nilesh J Samani 1, 2 , Nabila Bouatia-Naji 3
Affiliation  

Spontaneous coronary artery dissection (SCAD) is an understudied cause of myocardial infarction primarily affecting women. It is not known to what extent SCAD is genetically distinct from other cardiovascular diseases, including atherosclerotic coronary artery disease (CAD). Here we present a genome-wide association meta-analysis (1,917 cases and 9,292 controls) identifying 16 risk loci for SCAD. Integrative functional annotations prioritized genes that are likely to be regulated in vascular smooth muscle cells and artery fibroblasts and implicated in extracellular matrix biology. One locus containing the tissue factor gene F3, which is involved in blood coagulation cascade initiation, appears to be specific for SCAD risk. Several associated variants have diametrically opposite associations with CAD, suggesting that shared biological processes contribute to both diseases, but through different mechanisms. We also infer a causal role for high blood pressure in SCAD. Our findings provide novel pathophysiological insights involving arterial integrity and tissue-mediated coagulation in SCAD and set the stage for future specific therapeutics and preventions.



中文翻译:

自发性冠状动脉夹层的全基因组关联荟萃分析确定了与动脉完整性和组织介导的凝血相关的风险变异和基因

自发性冠状动脉夹层(SCAD)是导致女性心肌梗死的一个尚未得到研究的原因。目前尚不清楚 SCAD 在基因上与其他心血管疾病(包括动脉粥样硬化性冠状动脉疾病 (CAD))有何不同。在此,我们提出了一项全基因组关联荟萃分析(1,917 例病例和 9,292 例对照),确定了 SCAD 的 16 个风险位点。综合功能注释优先考虑可能在血管平滑肌细胞和动脉成纤维细胞中受到调节并与细胞外基质生物学有关的基因。一个含有组织因子基因F3的基因座(参与凝血级联启动)似乎对 SCAD 风险具有特异性。几种相关变异与 CAD 具有截然相反的关联,表明共同的生物过程导致这两种疾病,但通过不同的机制。我们还推断高血压在 SCAD 中具有因果作用。我们的研究结果提供了涉及 SCAD 中动脉完整性和组织介导凝血的新颖病理生理学见解,并为未来的具体治疗和预防奠定了基础。

更新日期:2023-05-30
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