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Effect of P-adrenergic receptor polymorphisms on left ventricular remodeling after cardiac resynchronization therapy in heart failure

机译:P-肾上腺素能受体多态性对心律失常心脏同步治疗后左心室重构的影响

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摘要

Over the past several years, cardiac resyn-chronization therapy (CRT) has emerged as an important treatment modality in patients with heart failure (HF) [1]. However, patient response to this therapy varies widely, with only 70% of HF patients demonstrating some benefit [1]. Many recent studies have uncovered links between this response variability and genetic heterogeneity, and specifically with polymorphisms in genes encoding cardiac adverse remod-eling-related proteins, such as P-adrenergic receptor (ARs) and their signaling partners in the heart, and components of the renin-angiotensin-aldosterone system [2]. In this study, Metra and colleagues sought to examine the effects of the Arg-389Gly beta_1-AR polymorphism, as well as of two common polymorphisms of the beta_2AR gene, Argl6Gly and Gln27Glu, on treatment response to CRT, as gauged by the extent of reverse remodeling and the incidence rate of appropriate implant cardioverter defibrillator interventions [3]. Their patient population was patients with HF resulting from idiopathic or isch-emic dilated cardiomyopathy undergoing CRT device implantation.
机译:在过去的几年中,心脏再同步治疗(CRT)已经成为心力衰竭(HF)患者的一种重要治疗方式[1]。但是,患者对该疗法的反应差异很大,只有70%的HF患者显示出一定的获益[1]。最近的许多研究都揭示了这种应答变异性与遗传异质性之间的联系,尤其是与编码心脏不良重塑相关蛋白(例如P-肾上腺素受体(ARs)及其在心脏中的信号传导伙伴)的基因中的多态性有关。肾素-血管紧张素-醛固酮系统[2]。在这项研究中,Metra及其同事试图研究Arg-389Gly beta_1-AR多态性以及beta_2AR基因的两个常见多态性Arg16Gly和Gln27Glu对CRT的治疗反应的影响,以逆向重构和适当的植入式心脏复律除颤器干预的发生率[3]。他们的患者人群是因特发性或缺血性扩张型心肌病接受CRT装置植入而导致的HF患者。

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    《Pharmacogenomics》 |2013年第13期|共2页
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  • 正文语种 eng
  • 中图分类 药学;
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