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大鼠骨髓间充质干细胞原代培养换液频度与细胞增生的关系 被引量:2

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摘要 目的:探索成体大鼠的骨髓间充质干细胞(MSCs)的分离、体外培养方法,观察采用不同的换液频度与细胞增生和生长的关系,为其应用提供实验依据. 方法:从大鼠股骨获取骨髓,采用梯度离心的方法进行分离,在含10 mL/L胎牛血清的DMEM中常规培养,以MTT法检测不同的时间换液时细胞的生长曲线,并用碱性磷酸酶(AKF)检测的方法对分离的细胞进行鉴定. 结果:采用梯度离心方法分离的骨髓间质干细胞的纯度较高,细胞活性佳,AKF染色为强阴性.首次换液后,每天更换培养液比每隔3-4d换液一次更有利于MSCs的增生, 原代长满培养瓶底比每隔2-3d换液一次平均提前2d. 结论:采用梯度离心的方法分离可获得纯度较高的骨髓间质干细胞,是简单易行的分离方法,每天更换培养液比每隔3-4d换液一次更有利于MSCs的增生和形成形态均一的细胞集落.
出处 《世界华人消化杂志》 CAS 2004年第8期1953-1955,共3页 World Chinese Journal of Digestology
基金 广东省自然科学基金资助课题 No.2001 010593
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参考文献9

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