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纤维蛋白溶解激活剂从角膜和结膜的释放。

Release of fibrinolytic activators from the cornea and conjunctiva.

作者信息

Lantz E, Andersson A

出版信息

Graefes Arch Clin Exp Ophthalmol. 1982;219(6):263-7. doi: 10.1007/BF00231410.

DOI:10.1007/BF00231410
PMID:6891665
Abstract

The authors studied the release of fibrinolytic activators from in vitro cultures of human and animal cornea with the following main findings: (1) the epithelium is the main activator source; (2) the addition of tripeptide, salicylate, chloroquine and phorbolester to the culture medium increases the fibrinolytic activity of the cultures; (3) corticosteroids depress the fibrinolytic activity; (4) explants of human conjunctiva also release fibrinolytic activators. The pathophysiological role of this activator is unknown. Hypothetically, besides preventing fibrin deposition on the surface of the eye, this activator may also stimulate leucocyte migration, activate procollagenase, protect the endothelial pump, and regulate vascular permeability and angiogenesis in the cornea.

摘要

作者研究了人及动物角膜体外培养物中纤维蛋白溶解激活剂的释放情况,主要发现如下:(1)上皮细胞是主要的激活剂来源;(2)在培养基中添加三肽、水杨酸盐、氯喹和佛波酯可增加培养物的纤维蛋白溶解活性;(3)皮质类固醇会降低纤维蛋白溶解活性;(4)人结膜外植体也会释放纤维蛋白溶解激活剂。这种激活剂的病理生理作用尚不清楚。据推测,除了防止纤维蛋白沉积在眼表面外,这种激活剂还可能刺激白细胞迁移、激活原胶原酶、保护内皮泵,并调节角膜的血管通透性和血管生成。

相似文献

1
Release of fibrinolytic activators from the cornea and conjunctiva.纤维蛋白溶解激活剂从角膜和结膜的释放。
Graefes Arch Clin Exp Ophthalmol. 1982;219(6):263-7. doi: 10.1007/BF00231410.
2
Fibrinolysis in cornea and conjunctiva: evidence of two types of activators.
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引用本文的文献

1
Fibrinolysis in cornea and conjunctiva: evidence of two types of activators.
Graefes Arch Clin Exp Ophthalmol. 1986;224(5):393-6. doi: 10.1007/BF02173351.
2
Contact lens wear is associated with the appearance of plasmin in the tear fluid--preliminary results.佩戴隐形眼镜与泪液中纤溶酶的出现有关——初步结果。
Graefes Arch Clin Exp Ophthalmol. 1989;227(1):42-4. doi: 10.1007/BF02169824.
3
Tear plasminogen activators--indicators of epithelial cell destruction. The effect of scraping, n-heptanol debridement, and alkali burn of the cornea on the plasminogen activator activity of rabbit tears.泪液纤溶酶原激活剂——上皮细胞破坏的指标。刮伤、正庚醇清创术及角膜碱烧伤对兔泪液纤溶酶原激活剂活性的影响。

本文引用的文献

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The histological localisation of fibrinolysin activator.纤维蛋白溶酶激活剂的组织学定位。
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Evidence for a role of the plasminogen activator--plasmin system in corneal ulceration.纤溶酶原激活物-纤溶酶系统在角膜溃疡形成中作用的证据。
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Release of fibrinolytic enzymes from human cornea.人角膜中纤溶酶的释放。
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Tumour promotor induces plasminogen activator.肿瘤促进剂诱导纤溶酶原激活剂。
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Fibrinolytic activity of adult rat liver cells in primary culture and inhibition by glucocorticoids.原代培养成年大鼠肝细胞的纤溶活性及糖皮质激素对其的抑制作用。
Biochem Biophys Res Commun. 1976 Sep 20;72(2):462-71. doi: 10.1016/s0006-291x(76)80065-4.
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Macrophage plasminogen activator: induction by concanavalin A and phorbol myristate acetate.巨噬细胞纤溶酶原激活剂:伴刀豆球蛋白A和佛波醇肉豆蔻酸酯乙酸酯的诱导作用
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10
Synthesis of plasminogen activator by bovine corneal endothelial cells.牛角膜内皮细胞纤溶酶原激活物的合成
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