Distribution of tissue plasminogen activator in human and monkey eyes. An immunohistochemical study.

Distribution of tissue plasminogen activator in human and monkey eyes. An immunohistochemical study.
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组织纤溶酶原激活剂在人和猴眼中的分布。

DOI:
10.1016/s0161-6420(87)33278-6
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发表时间:
1987
期刊:
影响因子:
13.7
通讯作者:
Tripathi,RC
Tripathi,RC
中科院分区:
医学1区
文献类型:
--
作者:
Tripathi,BJ;Geanon,JD;Tripathi,RC

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作者用抗人组织型纤溶酶原激活剂(t-PA)的单抗,用过氧化物酶-抗过氧化物酶免疫组织化学技术,对人和恒河猴眼的不同结构进行了组织型纤溶酶原激活剂(t-PA)的检测。T-PA在两种动物许多组织的细胞内和细胞外基质中均呈阳性染色。T-PA染色较强的组织包括角膜内皮、角膜上皮、小梁网、晶状体上皮、周边玻璃体、葡萄膜束、视网膜内侧及全部血管内皮细胞。人眼和猴眼之间染色强度的明显差异可能与t-PA随时间的降解有关,与t-PA组织含量的变化有关,也可能与动物种类的不同有关。讨论包括考虑t-PA的纤溶活性以及它在不同眼结构中细胞外基质破坏性重塑中的作用。
The authors examined various structures of human and rhesus monkey eyes for the presence of tissue plasminogen activator (t-PA) by using the peroxidase-antiperoxidase immunohistochemical technique with a monoclonal antibody specific for human t-PA. Positive staining for t-PA was observed both intracellularly and in the extracellular matrix of many tissues in both species. The tissues which stained intensely for t-PA included the corneal endothelium, corneal epithelium, trabecular meshwork, lens epithelium, peripheral vitreous, uveal tract, inner retina, and all vascular endothelia. The apparent minor difference in staining intensity between human and monkey eyes may be related to the time-dependent degradation of t-PA, to variations in the tissue content of t-PA, or to the difference in animal species. The discussion includes a consideration of the fibrinolytic activity of t-PA and of its emerging role in the destructive remodeling of the extracellular matrix in various ocular structures.
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