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Chinese Journal of Ocular Fundus Diseases ; (6)2001.
Artículo en Chino | WPRIM | ID: wpr-524801

RESUMEN

Objective To explore the effect of estrogen on the permeability of retinal blood vessel by ovariectomy. Methods Twenty-two healthy rats were divided into experimental and control group randomly. Estrogen level of rats decreased due to ovariectomy in the experimental group while stabilized by sham-ovariectomy in the control group. The results were confirmed by vaginal epithelium smearing. Retinal vein occlusion was established by photodynamic method, and leakage of Evan's blue in retina was determined by spectrophotometer. Results Mature value of vaginal epithelium decreased significantly in ovariectomy rats( t=21.008,P =0.000) while not significantly in sham-ovariectomy ones ( t=0.319,P =0.756); the mean leakage of Evans blue was (25.503 0?4.378 47) ng/mg in experimental group, and (17.830 0?4.265 69) ng/mg in the control group, and the difference between the two groups is significant( t=3.969 36,P =0.001). Conclusion Ovariectomy is an useful method to study the effect of estrogen on ocular diseases, and when estrogen level decreases, the permeability of retinal blood vessel increases.

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