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目的:通过鹿血清白蛋白对大鼠成骨样细胞系UMR-106增殖活性和促胰岛素样生长因子Ⅰ(IGF-Ⅰ)分泌水平的研究,为阐明鹿茸强筋健骨的作用机理及对骨质疏松的防治提供研究线索.方法:运用Sephacryl S-200HR凝胶色谱、POROS 20QE阴离子交换色谱和TSK G3000 SW高效液相色谱等分离手段,从冷冻干燥鹿茸粉粗提液中分离纯化得到鹿血清白蛋白.并用MTT法检测其对UMR-106细胞的增殖活性;用平衡饱和竞争放射免疫分析法(RIA)测定其促IGF-Ⅰ分泌水平.结果:经分离纯化得到的鹿血清白蛋白分子质量为56.3 kDa,在蛋白含量为0.149 μg·mL-1时,其促大鼠成骨样细胞增殖率为241.03%,IGF-Ⅰ分泌量为66.89 ng·mL-1.结论:鹿茸中的鹿血清白蛋白在14.9 ng·mL-1~14.90 μg·mL-1具有显著的促大鼠成骨样细胞增殖和IGF-Ⅰ分泌等活性.
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中国中药杂志
ISSN: 1001-5302
CN: 11-2272/R
Year: 2005
Issue: 11
Volume: 30
Page: 851-855
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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