SCN5A基因变异所致心源性猝死发生机制尚不清楚.目前研究显示TGF-β1介导心肌纤维化以及离子通道重构调节机制的异常可能是SCN5A基因变异导致SUNDS发生的主要原因.本文就转化生长因子 β1对SCN5A基因变异所致心源性猝死调控的影响机制研究进展进行综述,以期为心源性猝死法医学研究和实践提供参考.%The mechanism of sudden cardiac death caused by variation in SCN5A is still unclear. Recently, the converging evidences suggest that the dysfunction of regulation mediated by transforming growth factor-β1 in cardiac fibration and reconstruction of cardiac iron channel could be main reason of SUNDS caused by variation of SCN5A. The resent progress of the mechanism of transforming growth factor-β1 in sudden cardiac death caused by variation of SCN5A gene is reviewed in this paper, hoping to provide reference for the research and practice of sudden cardiac death in forensic medicine.
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