Epithelial SOX11 regulates eyelid closure during embryonic eye development.

Epithelial SOX11 regulates eyelid closure during embryonic eye development.
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上皮细胞SOX 11在胚胎眼发育过程中调节眼睑闭合。

DOI:
10.1016/j.bbrc.2021.02.075
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发表时间:
2021-04-16
影响因子:
3.1
通讯作者:
Izuhara K
Izuhara K
中科院分区:
生物学4区
文献类型:
--
作者:
Nunomura S;Nanri Y;Lefebvre V;Izuhara K

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成纤维细胞生长因子 (FGF10) 介导的信号对于哺乳动物胚胎眼睑闭合至关重要。系统性 SOX11 缺陷小鼠出生时眼睑未闭合,这表明 SOX11 在眼睑闭合中可能发挥作用。然而,这一过程的根本机制仍不清楚。在这项研究中,我们发现上皮细胞 SOX11 缺陷会导致眼睑前缘延伸缺陷,从而导致胚胎眼睑闭合失败。眼睑中的c-Jun是眼睑前缘延伸所需的FGF10下游的转录因子,并且c-Jun水平在上皮SOX11缺陷胚胎中降低。这些结果表明上皮 SOX11 在胚胎眼睑闭合中发挥重要作用。
Fibroblast growth factor (FGF10)-mediated signals are essential for embryonic eyelid closure in mammals. Systemic SOX11-deficient mice are born with unclosed eyelids, suggesting a possible role of SOX11 in eyelid closure. However, the underlying mechanisms of this process remain unclear. In this study, we show that epithelial deficiency of SOX11 causes a defect in the extension of the leading edge of the eyelid, leading to failure of embryonic eyelid closure. c-Jun in the eyelid is a transcription factor downstream of FGF10 required for the extension of the leading edge of the eyelid, and c-Jun level was decreased in epithelial SOX11-deficient embryos. These results suggest that epithelial SOX11 plays an important role in embryonic eyelid closure.
DOI: 10.1093/emboj/cdg440
发表时间: 2003-09-01
期刊: EMBO JOURNAL
影响因子: 11.4
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