对ACE抑制剂诱导的血管的元分析确定了新的风险位置
Carina M Mathey1, Carlo Maj2, Niclas Eriksson3
1Institute of Human Genetics, University of Bonn, School of Medicine and University Hospital Bonn, Bonn, Germany.
The Journal of allergy and clinical immunology
|February 1, 2024
概括
这项研究确定了血管素转化酶抑制剂诱导的血管瘤 (ACEi-AE) 的新遗传风险因素. 研究结果表明,布拉迪基宁,凝血和纤维素分解途径参与了ACEi-AE病理生理学.
科学领域:
- 药物基因组学 药物基因组学
- 药物不良反应 药物不良反应
- 人类遗传学 人类遗传学
背景情况:
- 血管是一种罕见的,对血管素转化酶抑制剂 (ACEis) 的危及生命的反应.
- 遗传和非遗传因素影响了对ACEi诱导的血管 (ACEi-AE) 的易感性.
- 之前的研究已经确定了最初的遗传风险位置,但病理生理学仍然不清楚.
研究的目的:
- 为了确定额外的遗传因素,有助于ACEi-AE.
- 为了深入了解ACEi-AE病理生理学.
主要方法:
- 全基因组关联研究对1000多名患有ACEi-AE的欧洲患者的元分析.
- 生物信息分析以精确地绘制基因位置并识别基因/通路.
- 交叉祖先分析比较欧洲和非洲裔美国人的队列.
主要成果:
- 确定了ACEi-AE.的三个全基因组显著风险位点.
- 染色体20q11.22上的新位点涉及.
- 突出显示已知的基因 (BDKRB2,F5) 和新的候选基因 (PROCR,EDEM2).
- 风险位点在非洲裔美国人和欧洲人群中表现出类似的效应.
结论:
- 提供了ACEi-AE.中的布拉迪基宁信号传递和凝血通路的证据.
- 建议在ACEi-AE.中纤维溶解途径的新型作用.
- 在多种祖先中发现的风险位点的相关性.
相关概念视频
Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors
645
Angiotensin-converting enzyme (ACE), a vital component of the renin-angiotensin-aldosterone system, is abundant in lung endothelial cells. ACE converts the inactive decapeptide, angiotensin I, into the active octapeptide, angiotensin II. This potent vasoconstrictor narrows blood vessels, increasing resistance to blood flow and elevating blood pressure. Angiotensin II also stimulates aldosterone production, encouraging kidney cells to reabsorb more sodium and water from urine, thereby increasing...
645
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
431
The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
431
Antihypertensive Drugs: Direct Renin Inhibitors
630
The renin-angiotensin-aldosterone system (RAAS) is an intricate physiological pathway involving numerous enzymes and hormones, including renin, angiotensin-converting enzyme (ACE), angiotensin I and II, and aldosterone. Imbalances within this system increase the production of angiotensin II and aldosterone. Increased angiotensin II levels promote vasoconstriction and blood pressure elevation. Concurrently, higher aldosterone levels stimulate sodium and water reabsorption in the kidneys,...
630
Antihypertensive Drugs: Angiotensin II Receptor Blockers
734
In the renin-angiotensin-aldosterone system, a hormone called angiotensin II plays a crucial role. It binds to the AT1 receptors in vascular smooth muscles coupled with Gq proteins. The activation of these receptors activates an enzyme called phospholipase C, which releases two molecules: inositol trisphosphate and diacylglycerol. These molecules cause a chain reaction that leads to the phosphorylation of myosin light chains and promotes interaction between actin and myosin, leading to smooth...
734


