[Zhonghua yan ke za zhi] Chinese journal of ophthalmology · 2002
[Expression and significance of vascular endothelial growth factor in rat cornea after cautery with alkali].
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Qiu Peijin, Yao Ke, Zhu Lijun, Zhou Caiyun, Cheng Jian
Аннотация
OBJECTIVE: To investigate the expression of vascular endothelial growth factor (VEGF) in rat cornea after cautery with alkali.
METHODS: In Sprague-Dawley rats, inflammatory corneal neovascularization was induced by cautery with alkali. VEGF was detected in corneal samples at different times by Western-blot, and immunohistochemistry method was used to investigate the distribution of VEGF at rat cornea after cautery with alkali.
RESULTS: The normal rat corneas did not express VEGF. The expression of VEGF increased with time after corneal cautery. The rat corneas were infiltrated by massive inflammatory cells that, especially adjacent to the cautery lesion, showed staining for VEGF.
CONCLUSION: VEGF production by inflammatory cells participates in inflammatory angiogenesis in rat corneas. VEGF has the effects on the induction and supporting of cautery-induced angiogenesis in rat cornea.
METHODS: In Sprague-Dawley rats, inflammatory corneal neovascularization was induced by cautery with alkali. VEGF was detected in corneal samples at different times by Western-blot, and immunohistochemistry method was used to investigate the distribution of VEGF at rat cornea after cautery with alkali.
RESULTS: The normal rat corneas did not express VEGF. The expression of VEGF increased with time after corneal cautery. The rat corneas were infiltrated by massive inflammatory cells that, especially adjacent to the cautery lesion, showed staining for VEGF.
CONCLUSION: VEGF production by inflammatory cells participates in inflammatory angiogenesis in rat corneas. VEGF has the effects on the induction and supporting of cautery-induced angiogenesis in rat cornea.