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干扰PDGFR-α对增殖性玻璃体视网膜病变影响的探讨 被引量:1

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摘要 目的 通过干扰血小板源性生长因子(PDGF-α)探讨增殖性玻璃体视网膜病变与其内在的联系.方法 以人视网膜色素上皮(human retinal pigment epithelium,HRPE)细胞为研究对象,通过质粒转染抑制PDGF-α的表达,观察细胞PDGF-α的表达变化,流式细胞术分析细胞周期的变化,0,12和24 h划痕实验观察细胞迁移能力的改变.结果 HRPE细胞经转染后的PDGF-α表达水平(吸光度A=0.228)比对照组scr细胞(吸光度A=0.813)明显降低(t=9.314,P<0.01).流式细胞术分析表明对照组scr细胞S期细胞数占总细胞数为45.5%±2.5%,G2/M期为17.1%±1.5%.而降PDGF-α表达的HRPE细胞S期为23.5%±2.1%,G2/M期为40.5±1.5%.两者相比细胞分裂差异有统计学显著性意义(t=15.478,P<0.01).随着时间的推移降PDGF-α表达的HRPE细胞划痕愈合速度与对照组scr细胞相比明显减慢.结论 干扰PDGF-α的表达有助于改善增殖性玻璃体视网膜病变程度.
出处 《现代检验医学杂志》 CAS 2014年第4期127-128,共2页 Journal of Modern Laboratory Medicine
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