期刊
JOURNAL OF OCULAR PHARMACOLOGY AND THERAPEUTICS
卷 26, 期 1, 页码 11-19出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/jop.2009.0037
关键词
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Purpose: To evaluate expression changes in retina neurotrophic factors (NTs) in glaucomatous rats with copolymer-1 (COP-1) immunization. Methods: Three episcleral veins in rat eyes were cauterized to produce chronic high intraocular pressure (IOP). Qualified rats were divided into 3 groups: glaucoma group, COP-1 immunization group, and PBS control group. Using immunohistochemistry and RT-PCR, we compared the expression of retinal NTs in these 3 groups. Results: NGF, BDNF, and NT-4 expression increased to different degrees and the levels of their RNAs had transient increases under elevated IOP, but there were no statistical differences with respect to the RNAs of interest in the COP-1 immunization group compared with the 2 control groups. Expression of NT-3 appeared earlier and stronger in the rats immunized with COP-1 than in rats with glaucoma. Moreover, the expression of the COP-1 receptor, TrkC, increased accordingly. Conclusions: COP-1 immunization might increase NT-3 expression by some unknown mechanism in high IOP rats and the change may be related to COP-1 therapeutic intervention.
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