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脂肪干细胞联合黄连素促进成纤维细胞增殖效果的探讨

胡 啸昊, 黎 洪棉

摘要

目的:探究黄连素(BBR)联合脂肪干细胞(ADSC)促进成纤维细胞增殖迁移的作用。方法:选择若干只SPF级环境培养的八周龄健康雄性SD大鼠(280±20g),取从大鼠腹部两侧脂肪,用一型胶原酶进行消化分离出脂肪干细胞,随后进行一系列细胞功能实验,如细胞干性验证实验包括成骨诱导、成脂肪诱导、成软骨诱导实验。随后将成纤维细胞分成对照组、BBR干预组、ADSC干预组、BBR ADSC联合干预组探讨不同处理对于成纤维细胞增殖迁移能力的影响。对照组细胞使用普通高糖培养基(DMDM)培养;BBR组在使用DMEM培养基情况下中添加黄连素(100μg/ml);ADSC组采用将成纤维细胞的培养基在划痕后更换为ADSC培养基上清进行干预;BBR ADSC联合治疗组将对成纤维细胞同时添加ADSC培养基上清及黄连素。划痕处理后立即用显微镜拍照记录初始阶段划痕宽度,细胞培养一天后,在显微镜下拍照,随后使用ImageJ软件分析划痕一天后较划痕初始阶段成纤维细胞的迁移比例。结果:同对照小组对比,BBR组、ADSC组、BBR ADSC联合干预组处理下的成纤维细胞迁移比例显著增加(P

关键词

黄连素;脂肪干细胞;联合治疗;细胞增殖

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参考

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