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丙酸睾酮对泪腺上皮细胞保护作用的实验研究 被引量:2

Experimental study on rabbit lacrimal gland epithelial cells protected by testosterone propionate
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摘要 目的研究雄激素对泪腺上皮细胞的保护作用。方法酶消化法培养的兔泪腺上皮细胞,经不同剂量丙酸睾酮(10×10-9mol·L-1、100×10-9mol·L-1、1×10-6mol·L-1、10×10-6mol·L-1)作用24h以及过氧化氢作用60min后,分别采用MTT法检测细胞活性和TUNEL法检测细胞凋亡。结果加入不同剂量的丙酸睾酮(10×10-9mol·L-1、100×10-9mol·L-1、1×10-6mol·L-1、10×10-6mol·L-1),泪腺上皮细胞的活性分别为0.376±0.013、0.398±0.018、0.418±0.023和0.439±0.015;泪腺上皮细胞的凋亡率分别为(13.94±0.73)%、(12.51±0.91)%、(10.63±0.78)%和(8.19±0.85)%,与H2O2组[(0.354±0.022)%和(15.15±1.05)%]比较差异有显著统计学意义(P<0.01),并在一定浓度范围内表现出剂量依赖性。结论丙酸睾酮可以抑制泪腺上皮细胞的凋亡,保护泪腺上皮细胞。 Objective To study the protection effect of testosterone propionate on rabbit lacrimal gland epithelial cells. Methods Various concentrations of testosterone propionate ( 10 × 10^-9 mol · L^-1, 100 ×10 ^- 9 mol · L^- 1, 1×10 ^- 6 mol · L^- 1 ,10 ×10 ^- 6 mol · L^- 1 )were added into rabbit lacrimal gland epithelial cells cultured by enzyme digestion and incubated for 24 hours, and then H2O2 was added and incubated for 60 minutes. Cell activity was detected by MTT assay. Cell apoptosis was detected by TUNEL method. Results Various concentrations of testosterone propionate( 10 ×10 ^- 9 mol · L^- 1, 100 ×10 ^- 9 mol · L^- 1, 1 ×10 ^- 6 mol · L^- 1, 10 ×10 ^- 6 mol · L^- 1 ) significant increased LGCs activity ( 0. 376 ± 0.013, 0.398 ±0.018,0. 418 ±0.023,0.439 ±0.015) ,as well as inhibited the apoptotic rate of lacrimal gland epithelial cells[ ( 13.94 ±0.73)%, ( 12.51 ±0.91 )%, ( 10. 63 ±0. 78)%, (8. 19 ± 0.85 )% ] in dose dependent as compared to H2O2 group [ ( 0. 354 ± 0. 022) % , ( 15.15 ± 1.05 ) % , P 〈 0.01 ) ]. Conclusion Testosterone propionate can inhibit lacrimal gland epithelial cells apoptosis induced by H2O2.
出处 《眼科新进展》 CAS 2007年第8期588-590,共3页 Recent Advances in Ophthalmology
关键词 泪腺 细胞培养 细胞凋亡 丙酸睾酮 lacrimal gland cell culture cell apoptosis tcstosterone propionatc
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