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龙葵碱对H_(22)荷瘤小鼠细胞膜流动性和膜蛋白水平的影响 被引量:29

Effect of Solanum nigrum alkaloid on membrane fluidity and membrane protein level of tumor cells in H_(22) tumor-bearing mice
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摘要 目的观察龙葵碱对H22荷瘤小鼠肿瘤细胞膜流动性和膜蛋白水平的影响。方法采用荧光探针DPH标记法测定肿瘤细胞膜流动性,考马斯亮蓝法测定肿瘤细胞膜蛋白水平。结果龙葵碱可显著降低H22荷瘤小鼠肿瘤细胞膜流动性,降低H22小鼠肿瘤细胞膜蛋白水平。结论龙葵碱是通过影响肿瘤细胞膜的流动性和肿瘤细胞膜上的蛋白水平恢复细胞的正常生理活性而达到抗肿瘤作用。 Objective To study the effects of alkaloid of Solanum nigrum on membrane fluidity and membrane protein level of tumor cells in H_ 22 tumor-bearing mice (H_ 22 mice). Methods The membrane fluidity of tumor cells in H_ 22 mice was observed by DPH fluorescentprobe marker method, and the level of membrane proteins of tumor cells in H_ 22 mice were determined by Coomassie brilliant blue. Results The alkaloid of S. nigrum could make the membrane fluidity decline and the level of membrane proteins of tumor cells in H_ 22 mice decrease. Conclusion The alkaloid of S. nigrum shows the antitumor activity through decreasing the membrane fluidity and the membrane protein level of tumor cells in H_ 22 mice.
出处 《中草药》 CAS CSCD 北大核心 2005年第2期239-241,共3页 Chinese Traditional and Herbal Drugs
基金 国家自然科学基金资助项目(30400591) 黑龙江省自然科学基金资助项目(D0024-13) 哈尔滨市青年科学基金资助项目(2004AFQXJ035)
关键词 龙葵碱 H22荷瘤小鼠 膜流动性 膜蛋白水平 alkaloid of Solanum nigrum L. H_(22) tumor-bearing mice (H_(22) mice) membrane fluidity membrane protein level
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