Epithelial morphogenesis: the mouse eye as a model system.

Epithelial morphogenesis: the mouse eye as a model system.
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DOI:
10.1016/bs.ctdb.2014.11.011
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发表时间:
2015
影响因子:
--
通讯作者:
Lang R
Lang R
中科院分区:
生物学2区
文献类型:
--
作者:
Chauhan B;Plageman T;Lou M;Lang R

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形态发生是组织和器官获得对其功能至关重要的形状的发育过程。在这里,我们回顾了最近的进展,在我们的理解的机制,驱动发育中的眼睛形态发生。这些研究表明,肌动蛋白细胞骨架的调节是塑造推定的透镜和视网膜上皮细胞的核心,这些细胞是眼睛的主要组成部分。肌动蛋白细胞骨架的调节由Rho家族GTP酶介导,通过信号传导途径,并间接地通过控制关键基因表达的转录因子介导。肌动蛋白细胞骨架的变化可以通过产生丝状伪足(在眼睛中,连接相邻的上皮细胞)或通过顶端收缩(产生楔形细胞的过程)来塑造细胞。我们还知道,一个组织可以影响相邻组织的形状,可能是通过直接的力传递,在这个过程中,我们称之为诱导形态发生。虽然这些机制的形态已经确定使用眼睛作为模型系统,他们可能会广泛应用于上皮细胞影响器官的形状在发展过程中。
Morphogenesis is the developmental process by which tissues and organs acquire the shape that is critical to their function. Here, we review recent advances in our understanding of the mechanisms that drive morphogenesis in the developing eye. These investigations have shown that regulation of the actin cytoskeleton is central to shaping the presumptive lens and retinal epithelia that are the major components of the eye. Regulation of the actin cytoskeleton is mediated by Rho family GTPases, by signaling pathways and indirectly, by transcription factors that govern the expression of critical genes. Changes in the actin cytoskeleton can shape cells through the generation of filopodia (that, in the eye, connect adjacent epithelia) or through apical constriction, a process that produces a wedge-shaped cell. We have also learned that one tissue can influence the shape of an adjacent one, probably by direct force transmission, in a process we term inductive morphogenesis. Though these mechanisms of morphogenesis have been identified using the eye as a model system, they are likely to apply broadly where epithelia influence the shape of organs during development.
焦点的镜头:果蝇和脊椎动物的晶状体发育的比较。
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发表时间: 2011-10
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影响因子: --
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影响因子: 7.5
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