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Inhibitive effects of γ-interferon on bovine lens epithelial cells proliferated by tumor necrosis factor α
Author(s): XIN Xiaorong, LI Min
Pages: 27-
29
Year: 2003
Issue:
1
Journal: RECENT ADVANCES IN OPHTHALMOLOGY
Keyword: γ-干扰素; 肿瘤坏死因子α; 晶状体上皮细胞; 牛;
Abstract: 目的观察γ-干扰素(γ-interferon, γ-IFN)对肿瘤坏死因子α(tumor necrosis factor α,TNF-α)所引起体外培养的牛晶状体上皮细胞增殖的抑制作用.方法牛晶状体上皮细胞原代与传代培养.第3代培养细胞中添加TNF-α,浓度为10-2~104μg*L-1,通过甲基噻唑基四唑(methyl thiazolyl tetrazolium ,MTT)测定法,观察TNF-α对牛晶状体上皮细胞的影响,进一步测定γ-IFN对TNF-α增殖影响的抑制作用.结果 TNF-α在体外有促进牛晶状体上皮细胞增殖作用并与TNF-α有关,10~10×103μg*L-1OD值明显升高,并以103μg*L-1 最为明显,而γ-IFN可以抑制这一作用. 结论 TNF-α是促进晶状体上皮细胞增殖、参与后囊形成混浊的一个重要的细胞因子.γ-IFN可抑制TNF-α促牛晶状体上皮细胞增殖作用,因而能抑制后发性白内障的形成.
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