血清反应因子在心血管疾病中的作用
摘要
血清反应因子(serum response factor,SRF)属于MADS转录因子家族的成员之一,是高度保守且广泛表达的转录因子。SRF在成年或发育期的心肌组织中均有表达,主要与下游靶基因启动子上特定DNA序列CArG盒[血清反应元件(SRE)的组成部分,CC(A/T)6GG box]结合,调控抗凋亡或促细胞增殖等基因(如IEGs:c-fos、mcl-1、Egr-1)的表达,对外界因素(如:缺血、缺氧等)刺激表现出快速的基因响应,影响心肌细胞的发育、分化、增殖及凋亡。
出处
《浙江医学》
CAS
2013年第18期1702-1705,共4页
Zhejiang Medical Journal
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