Spatial and temporal localization of caveolin-1 protein in the developing retina.

Spatial and temporal localization of caveolin-1 protein in the developing retina.
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小窝蛋白-1蛋白在发育中的视网膜中的空间和时间定位。

DOI:
10.1007/978-1-4614-3209-8_3
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发表时间:
2014
影响因子:
--
通讯作者:
Elliott, Michael H.
Elliott, Michael H.
中科院分区:
医学4区
文献类型:
--
作者:
Gu, Xiaowu;Reagan, Alaina;Yen, Allen;Bhatti, Faizah;Cohen, Alex W.;Elliott, Michael H.

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小窝蛋白-1(Cav-1)是小窝的标志性蛋白,在成人视网膜中表达于多种细胞类型,与葡萄膜炎、糖尿病视网膜病变和原发性开角型青光眼等眼部病变有关。由于环境动态平衡的破坏,CAV-1的基因消融导致视网膜功能缺陷。为了更好地了解Cav-1在视网膜中的功能,我们研究了它在出生后视网膜发育过程中的表达/定位。从P0到P5,Cav-1仅在发育中的视网膜浅血管、玻璃体和脉络膜血管以及视网膜色素上皮(RPE)中表达。在P7时,神经视网膜中的放射状细胞开始出现中央染色,在可识别的Müler神经胶质细胞中,这种染色在P9/10时显著增加。明显的血管染色在整个发育过程中持续存在。这些结果支持Cav-1是Müller神经胶质细胞分化的指标,并提示它在Müler细胞功能中发挥重要作用。
Caveolin-1 (Cav-1), the signature protein of caveolae is expressed in several cell types in the adult retina and is linked to ocular pathologies including uveitis, diabetic retinopathy, and primary open angle glaucoma. Genetic ablation of Cav-1 causes retinal functional deficits due to disruptions in environmental homeostasis. To better understand Cav-1 function in the retina, we examined its expression/localization during postnatal retinal development. From P0–P5, Cav-1 was detected only in the developing superficial retinal vessels, in hyaloid and choroidal vasculature, and in the retinal pigment epithelium (RPE). At P7, staining began to be observed centrally in radial cells in the neuroretina, and this staining increased dramatically by P9/10 in identifiable Müller glia. Prominent vascular staining continued throughout development. These results support the idea that Cav-1 is an indicator of Müller glial differentiation and suggests that it plays an important role in Müller cell function.
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