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Home > Literature List > Triptolide suppresses alkali burn-induced corneal angiogenesis along with a downregulation of VEGFA and VEGFC expression

Triptolide suppresses alkali burn-induced corneal angiogenesis along with a downregulation of VEGFA and VEGFC expression

Journal name:The Anatomical Record
Literature No.:
Literature Url: http://onlinelibrary.wiley.com/doi/10.1002/ar.23583/full
Date publication:24 February 2017
Triptolide (TPL) is an active compound extracted from a Chinese herbal medicine tripterygium wilfordii Hook. f. (Celastraceae), which has been used as an anti-inflammatory drug for years. It also inhibits the growth and proliferation of different types of cancer cells. The inhibitory effect of TPL on angiogenesis after chemical induced corneal inflammation was studied in vivo. The effects of TPL on the proliferation, apoptosis, migration and tube formation of rat aortic endothelial cells (RAECs) were studied in vitro. Cell proliferation and apoptosis were measured by MTT assay and flow cytometry, respectively. Migration was analyzed using the scratch wound healing assay and transwell assay. Tube formation assay was used to examine angiogenesis. Real-time PCR and Western blot were used to determine the expression of VEGFA and VEGFC. To study the in vivo effects of TPL, the mouse model of alkali burn-induced corneal angiogenesis was used. The angiogenesis was analyzed by determining the density of the newly generated blood vessels in corneas. We found that TPL induced apoptosis and inhibited the proliferation of RAECs in a dose-dependent manner. TPL inhibited migration and tube formation of RAECs and decreased the expression of VEGFA and VEGFC in vitro. Furthermore, TPL suppressed alkali burn-induced corneal angiogenesis and inhibited the expression of VEGFA and VEGFC in corneas in vivo. In conclusion, topical TPL as a pharmacological agent has the ability to reduce angiogenesis in cornea and may have clinical indications for the treatment of corneal angiogenesis diseases which have to be further explored. This article is protected by copyright. All rights reserved.

... All the cells for these experiments between passage 8 and 15 were used. 2.2 Reagents Triptolide
(C20H24O6; Molecular weight = 360.4) was purchased from Biopurify Phytochemical Ltd.
(Chengdu, China) and dissolved in dimethyl sulfoxide (DMSO). The final ...
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