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紫花地丁对U14荷瘤鼠抑瘤作用的实验研究 被引量:14

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摘要 目的探讨紫花地丁对U14荷瘤鼠的抑制作用与机制。方法用不同浓度的紫花地丁水提液、醇提液连续灌服荷瘤鼠13 d,取动物血清、胸腺、脾脏和瘤体,计算抑瘤率、胸腺和脾脏重量系数。放免法测定血清肿瘤坏死因子α(TNF-α)、白细胞介素-2(IL-2)水平;免疫组化法测定肿瘤组织中突变型P53蛋白和Bcl-2(B细胞淋巴瘤/白血病-2)蛋白的表达。结果紫花地丁水提大、小剂量组,醇提大、小剂量组抑瘤率分别为40.62%,34.00%,29.31%,35.33%;紫花地丁能提高U14荷瘤鼠的胸腺和脾脏指数;紫花地丁可提高U14荷瘤鼠体内IL-2及TNF-α水平;降低瘤组织中突变型P53和Bcl-2蛋白的表达。结论紫花地丁对U14荷瘤鼠肿瘤组织生长具有明显的抑制作用。
出处 《时珍国医国药》 CAS CSCD 北大核心 2011年第12期2926-2927,共2页 Lishizhen Medicine and Materia Medica Research
基金 黑龙江省卫生厅资助项目(No.2006-335)
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