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甘草多糖促进脐血源树突状细胞分化与成熟的初步研究

Journal of Guiyang College of Traditional Chinese Medicine(2012)

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Abstract
目的:研究两种浓度的GPS体外对脐血单核细胞来源的DC的分化、成熟的影响。方法:无菌条件下采集脐血,非连续密度梯度离心法获取脐血单核细胞并分为2组,分别用低、高浓度为100μg/ml、400μg/ml的GPS悬液诱导DC。运用倒置相差显微镜观察DC形态,ELISA法检测DC培养上清中IL-12的水平。结果:GPS刺激后,两组DC均呈现典型成熟DC形态学特征,尤以高浓度组诱导的DC数量最多,形态学特征最明显,且上清液中IL-12的水平最高(P﹤0.01)。结论:GPS可刺激体外对脐血单核细胞来源DC的分化和成熟,以高浓度组最佳。
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