淫羊藿苷对体外培养骨髓基质细胞成骨性分化的影响

Medical & Pharmaceutical Journal of Chinese People's Liberation Army(2015)

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Abstract
目的:探讨淫羊藿苷( icariin, ICA)在无成骨分化诱导剂存在的条件下对体外培养大鼠骨髓基质细胞( bone marrow stromal cells, BMSCs)成骨性分化的影响。方法取Wistar大鼠BMSCs,用1×10-5 mol/L ICA对BMSCs进行干预,实时定量聚合酶链反应(real time-PCR, RT-PCR)检测Ⅰ型胶原(Collagen-Ⅰ)和Runt相关转录因子2(runt-relat-ed transcription factor 2, Runx-2)mRNA的表达水平;蛋白质印迹(Western blot, WB)检测CollagenⅠ和Runx-2蛋白的表达水平;试剂盒法检测碱性磷酸酶( alkaline phosphatase, ALP)活性。结果 1×10-5 mol/L ICA能直接提高CollagenⅠ和Runx-2 mRNA和蛋白表达的BMSCs ALP活性。结论 ICA直接促进大鼠BMSCs成骨性分化,并不依赖地塞米松。
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