双氢青蒿素对Lewis肺癌小鼠的抑瘤作用

Journal of Practical Oncology(2009)

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Abstract
[目的]探讨双氢青蒿素对Lewis肺癌小鼠的抑瘤作用.[方法]C57BL/6J小鼠皮下接种3LL细胞(2×106/ml)50只,随机分为5组,分别为生理盐水组、阳性对照顺铂组、双氢青蒿素高、中、低剂量组,榆测各组小鼠的体重变化和抑瘤率,瘤组织HE染色观察病理学变化,应用流式细胞术进行瘤细胞的TUNEL分析.[结果]双氢青蒿素中、高剂最组体重无生理盐水组增加明显,其抑瘤率分别为53.50%及59.24%:肿瘤组织HE染色发现:中、高剂量组瘤组织大片坏死,瘤组织内及其周围微血管少见.流式细胞术TUNEL检测结果显示,双氢青蒿素抑制肿瘤细胞增殖.[结论]口服双氢青蒿素对Lewis小鼠肺癌有明显的抑制作用;其可能是通过诱导肿瘤细胞凋亡及细胞毒作用而抑制肿瘤细胞增殖的.
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Key words
mice,apoptosis,genes,Dihydroarteannuin/therapeutic use,lung neoplasms,tumor suppressor,gene expression regulation
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