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BRM释介素体外抑瘤作用与诱导癌细胞凋亡 被引量:1
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作者 刘朝阳 王泽光 +5 位作者 刘兴京 田海梅 surapol 娜迪娅 张一飞 张伟 《癌症》 SCIE CAS CSCD 北大核心 2004年第z1期1386-1389,共4页
背景与目的:BRM释介素在临床上对一些肿瘤有一定疗效,但其机理仍不清楚。本研究旨在探讨中药复方胶囊BRM释介素诱导人神经胶质瘤细胞株SHG-44,人乳腺癌细胞株MCF-7的凋亡作用,及其抗肿瘤作用的机理。方法:运用MTT法检测BRM释介素体外对... 背景与目的:BRM释介素在临床上对一些肿瘤有一定疗效,但其机理仍不清楚。本研究旨在探讨中药复方胶囊BRM释介素诱导人神经胶质瘤细胞株SHG-44,人乳腺癌细胞株MCF-7的凋亡作用,及其抗肿瘤作用的机理。方法:运用MTT法检测BRM释介素体外对人癌细胞株的抑制作用;应用电镜、AnnexinV-FITC/PI双染流式细胞仪分析、琼脂糖凝胶电泳观察BRM释介素诱导SHG-44,MCF-7细胞发生凋亡的作用。结果:BRM释介素体外对SHG-44,MCF-7,PANC1细胞具有明显的抑制作用,IC50值分别为0.299mg/ml,1.853mg/ml和9.416mg/ml。SHG-44和MCF-7在BRM水提液(2.5mg)作用下发生细胞凋亡,表现为细胞固缩、核染色质靠边,出现马蹄形,半月形。AnnexinV-FITC/PI流式细胞仪分析,BRM(0.625~2.5mg)作用14~48h,凋亡细胞明显增多。BRM水提液(1.25~5mg)作用24或48h,细胞DNA裂解片段呈典型的梯带。结论:BRM释介素的抗肿瘤活性与诱导细胞凋亡有关。 展开更多
关键词 BRM释介素 细胞凋亡 神经胶质瘤 乳腺肿瘤
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BRM-SJS INDUCES PROGRAMMED CELL DEATH IN BcaP-37 HUMAN BREAST CANCER CELLS
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作者 刘朝阳 王泽光 +3 位作者 娜迪娅 surapol 赵维霞 张伟 《Chinese Journal of Cancer Research》 SCIE CAS CSCD 2003年第3期177-181,共5页
Objective: To investigate the antitumor activity and the mechanism of BRM-SJS on breast cancer cells. Methods: Flow cytometry, DNA agarose gel electrophoresis and other techniques were used to study the in vitro and... Objective: To investigate the antitumor activity and the mechanism of BRM-SJS on breast cancer cells. Methods: Flow cytometry, DNA agarose gel electrophoresis and other techniques were used to study the in vitro and in vivo inhibitory effect on BcaP-37 cells by BRM-SJS. Results: BRM-SJS showed an inhibitory rate of 33.8% on in vivo transplanted tumor (P<0.05, compared with control). The flow cytometry analysis of BRM-SJS treated BcaP-37 (2.5 靘ol/L, 5 mol/L, 10 靘ol/L for 48 h and 72 h) revealed typical sub-G1 peak. The specific DNA Ladders were exhibited with BRM-SJS BcaP-37 cells treated. Conclusion: BRM-SJS has marked antitumor activity on BcaP-37 and its inhibitory effects on tumor were realized by both induction of apoptosis and necrosis of the tumor cells. 展开更多
关键词 BRM-SJS APOPTOSIS Breast cancer
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