Proteomic Analysis of Atrial Appendages Revealed the Pathophysiological Changes of Atrial Fibrillation.

Proteomic Analysis of Atrial Appendages Revealed the Pathophysiological Changes of Atrial Fibrillation.
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心耳的蛋白质组学分析揭示心房颤动的病理生理变化

DOI:
10.3389/fphys.2020.573433
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发表时间:
2020
影响因子:
4
通讯作者:
Zhang Y
Zhang Y
中科院分区:
医学2区
文献类型:
--
作者:
Liu B;Li X;Zhao C;Wang Y;Lv M;Shi X;Han C;Pandey P;Qian C;Guo C;Zhang Y

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房颤(AF)是发达国家最常见的心律失常,影响1.5-2.0%的人口。目前已经开展了大量的基础研究来确定电重构和结构重构在AF病理生理变化中的作用,但需要更多的探索来进一步了解AF发生的机制。蛋白质组学使研究人员能够识别负责疾病的病理发展过程的蛋白质改变。与基因组相比,蛋白质组与疾病表型密切相关,能更好地反映疾病的进展。在这项研究中,房颤患者进行蛋白质组学分析,以确定可能的机制。入选20例心脏手术患者(阵发性房颤10例,持续性房颤10例)和10例健康受试者。在此鉴定的差异表达蛋白包括AKR 1A 1、LYZ、H2 AFY、DDAH 1、FGA、FGB、LAMB 1、LAMC 1、MYL 2、MYBPC 3、MYL 5、MYH 10、HNRNPU、DKK 3、COPS 7A、YWHAQ和PAICS。这些蛋白质主要参与结构重塑的发展。这些差异表达的蛋白质可能为AF的病理过程提供新的视角,并可能成为药物干预的有用靶点。然而,需要更多的研究方面的多组学调查可能涉及的分子途径AF的发展。
Atrial fibrillation (AF), known as the most common arrhythmia in the developed world, affects 1.5–2.0% of the population. Numerous basic studies have been carried out to identify the roles of electric and structural remodeling in the pathophysiological changes of AF, but more explorations are required to further understand the mechanisms of AF development. Proteomics enables researchers to identify protein alterations responsible for the pathological developing progresses of diseases. Compared to the genome, the proteome is closely related to the disease phenotype and can better manifest the progression of diseases. In this study, AF patients proteomically analyzed to identify possible mechanisms. Totally 20 patients undergoing cardiac surgery (10 with paroxysmal AF and 10 with persistent AF) and 10 healthy subjects were recruited. The differentially expressed proteins identified here included AKR1A1, LYZ, H2AFY, DDAH1, FGA, FGB, LAMB1, LAMC1, MYL2, MYBPC3, MYL5, MYH10, HNRNPU, DKK3, COPS7A, YWHAQ, and PAICS. These proteins were mainly involved in the development of structural remodeling. The differently expressed proteins may provide a new perspective for the pathological process of AF, and may enable useful targets for drug interference. Nevertheless, more research in terms of multi-omics is required to investigate possible implicated molecular pathways of AF development.
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