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茶藨子木层孔菌多糖硫酸酯的抗肿瘤作用研究 被引量:1

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摘要 目的:探讨茶藨子木层孔菌多糖硫酸酯(PRP-S18和PRP-S22)的抗肿瘤作用。方法:建立小鼠H22实体瘤模型,分为模型对照组、PRP-S18高剂量组和低剂量组、PRP-S22高剂量组和低剂量组、PRP-S18联合环磷酰胺组、PRP-S22联合环磷酰胺组、环磷酰胺对照组,腹腔注射给药。测定小鼠肿瘤生长抑制率、脾脏指数和胸腺指数。结果:低剂量(每天20mg/kg)时,PRP-S18和PRP-S22对小鼠的肿瘤抑制率高,分别为34.99%和33.47%;在此剂量下,PRP-S对肿瘤小鼠的脾脏指数和胸腺指数没有影响。PRP-S18和PRP-S22与环磷酰胺合用均可以显著提高肿瘤抑制率,其中PRP-S18与环磷酰胺合用后未加重环磷酰胺单独应用造成的免疫损伤。结论:PRP-S可以显著抑制小鼠肿瘤的生长,与环磷酰胺合用后抑瘤率明显提高。PRP-S最佳活性的发挥需要一个合适的硫酸取代度和适宜剂量。
作者 刘玉红
出处 《山东中医药大学学报》 2014年第4期373-375,共3页 Journal of Shandong University of Traditional Chinese Medicine
基金 山东省优秀中青年科学家科研奖励基金(编号:BS2009SW041) 高等学校博士学科点专项科研基金(编号:20103731120004)
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共引文献12

同被引文献13

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