과산화수소에 의한 산화스트레스가 섬유주세포의 노화에 미치는 영향 = Effect of Hydrogen Peroxide-induced Oxidative Stress on the Senescence of Trabecular Meshwork Cells

다국어 초록 (Multilingual Abstract)

Purpose: To investigate the effects of oxidative stress on the senescence of trabecular meshwork (TM) cells and the effect of L-ascorbic acid (LAA) against oxidative stress-induced senescence. Methods: Primary cultured human TM cells were exposed to 0.05 or 0.1 mM hydrogen peroxide for 30 minutes and incubated for 1 week with or without co-exposure of LAA. Cellular survival, nitrite production, and senescence were assessed with MTT, Griess, and SA-β-gal assays, respectively. Results: Hydrogen peroxide decreased cellular survival and NO production accompanied increased cellular senescence. LAA did not prevent hydrogen peroxide-induced senescence. Conclusions: Oxidative stress-induced senescence of TM cells may be related to the dysfunction of trabecular meshwork in glaucoma. J Korean Ophthalmol Soc 2008;49(10):1665-1670

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