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高糖对体外培养的视网膜Müller细胞增殖及细胞信号传导网络的影响 被引量:1

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摘要 目的以体外培养的大鼠视网膜Müller细胞的变化入手探讨糖尿病性视网膜病变(DR)新生血管的成因。方法原代培养的大鼠视网膜Müller细胞在不同葡萄糖浓度的培养液中培养,培养72 h后,MTT法检测细胞增殖,利用Protein Pathway Array(PPA)技术检测细胞内146磷酸化和非磷酸化蛋白质的表达情况。结果 Müller细胞的增长呈葡萄糖浓度依赖性(50 mmol/L葡萄糖浓度是增殖最强)。50 mmol/L高糖条件下,在视网膜Müller细胞中检测出47种磷酸化和非磷酸化差异表达蛋白质(如XIAP,VEGF,HIF1α,NF-κB等),这些蛋白质涉及细胞生存、增殖、凋亡等几个重要信号传导通路。结论高糖能够刺激视网膜Müller细胞增殖,这种增殖作用是Müller细胞中多条重要信号传导通路共同参与的结果。
出处 《中国老年学杂志》 CAS CSCD 北大核心 2014年第17期4905-4907,共3页 Chinese Journal of Gerontology
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