C. elegans Apical Extracellular Matrices Shape Epithelia.

C. elegans Apical Extracellular Matrices Shape Epithelia.
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DOI:
10.3390/jdb8040023
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发表时间:
2020-10-06
影响因子:
2.7
通讯作者:
Sundaram MV
Sundaram MV
中科院分区:
其他
文献类型:
--
作者:
Cohen JD;Sundaram MV

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顶端细胞外基质(aECM)覆盖上皮细胞的暴露表面,以塑造发育中的组织并保护它们免受环境侵害。尽管 aECM 对人类健康具有广泛的重要性,但与基础 ECM 和基质 ECM 相比,人们对其了解甚少。线虫秀丽隐杆线虫含有多种不同的 aECM,其中一些与哺乳动物 aECM 具有许多相同类型的成分(脂质、脂蛋白、胶原蛋白、透明带结构域蛋白、软骨素糖胺聚糖和蛋白聚糖)。这些 aECM 包括蛋壳、糖萼样前角质层、胶原角质层和几丁质角质层,以及其他尚未充分研究的内上皮 aECM。线虫允许对荧光标记的 aECM 成分进行快速基因操作和实时成像,因此为 aECM 结构、运输、组装和组织塑造功能提供了新的见解。
Apical extracellular matrices (aECMs) coat exposed surfaces of epithelia to shape developing tissues and protect them from environmental insults. Despite their widespread importance for human health, aECMs are poorly understood compared to basal and stromal ECMs. The nematode Caenorhabditis elegans contains a variety of distinct aECMs, some of which share many of the same types of components (lipids, lipoproteins, collagens, zona pellucida domain proteins, chondroitin glycosaminoglycans and proteoglycans) with mammalian aECMs. These aECMs include the eggshell, a glycocalyx-like pre-cuticle, both collagenous and chitin-based cuticles, and other understudied aECMs of internal epithelia. C. elegans allows rapid genetic manipulations and live imaging of fluorescently-tagged aECM components, and is therefore providing new insights into aECM structure, trafficking, assembly, and functions in tissue shaping.
DOI: 10.1016/s1542-0124(11)70022-2
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