Snail modulates the assembly of fibronectin via α5 integrin for myocardial migration in zebrafish embryos.

Snail modulates the assembly of fibronectin via α5 integrin for myocardial migration in zebrafish embryos.
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蜗牛通过α5整合素调节纤连蛋白的组装以促进斑马鱼胚胎心肌迁移

DOI:
10.1038/srep04470
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发表时间:
2014-03-26
期刊:
影响因子:
4.6
通讯作者:
Mo X
Mo X
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Qiao L;Gao H;Zhang T;Jing L;Xiao C;Xiao Y;Luo N;Zhu H;Meng W;Xu H;Mo X

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蜗牛家族成员蜗牛编码一种参与心脏形成的含锌指转录因子。然而,人们对蜗牛如何调节心脏发育知之甚少。在这里,我们发现复制的 snai1b 基因之一在斑马鱼胚胎的心脏区域表达。 Snai1b 功能的缺失会显着降低 α5 整合素的表达,破坏心脏区域(尤其是中线)的纤连蛋白层,并阻止心脏前体细胞的迁移,导致斑马鱼胚胎心脏形态和功能缺陷。注射α5β1蛋白挽救了纤连蛋白层,然后挽救了snai1b敲低胚胎中的心肌前体迁移。研究结果提供了Snail在胚胎发育过程中如何控制心脏形态发生的分子机制。
The Snail family membersnailencodes a zinc finger-containing transcriptional factor that is involved in heart formation. Yet, little is known about how Snail regulates heart development. Here, we identified that one of the duplicatedsnailgenes,snai1b, was expressed in the heart region of zebrafish embryos. Depletion of Snai1b function dramatically reduced expression of α5 integrin, disrupted Fibronectin layer in the heart region, especially at the midline and prevented migration of cardiac precursors, resulting in defects in cardiac morphology and function in zebrafish embryos. Injection of α5β1 protein rescued the Fibronectin layer and then the myocardial precursor migration insnai1bknockdown embryos. The results provide the molecular mechanism how Snail controls the morphogenesis of heart during embryonic development.
DOI: 10.1016/j.ydbio.2011.08.022
发表时间: 2011-11-15
影响因子: 2.7
作者:
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通讯作者: Lincoln J
DOI: 10.1128/mcb.21.23.8184-8188.2001
发表时间: 2001-12-01
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期刊: DEVELOPMENT
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通讯作者: Stainier, Didier Y. R.
DOI: 10.1006/dbio.1995.0007
发表时间: 1995-11-01
影响因子: 2.7
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