Tumor Cell Selective Cytotoxicity and Apoptosis Induction by an Herbal Preparation from Brucea javanica.

Hua Gao, Julie Lamusta, Wei-Fang Zhang, Rebecca Salmonsen, Yingwang Liu, Edward O'Connell, James E Evans, Sumner Burstein, Jason J Chen
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引用次数: 39

Abstract

The plant Brucea javanica has shown impressive efficacy for treating various diseases including cancer. However, the mechanism by which B. javanica acts is poorly understood. We have established tissue culture assays to study the effects of B. javanica on cervical and several other cancer cells. Our results demonstrated that the aqueous extract from B. javanica is selectively toxic to cancer cells. Induction of apoptosis by B. javanica appears to be a possible mechanism by which it kills cancer cells. Interestingly, a significant increase of p53 protein level was observed in these apoptotic cells. Our studies indicated that both p53-dependent and p53-independent activities contributed to herb-induced cell death. These results imply that further studies with B. javanica may lead to the development of novel anti-cancer drugs.

鸦胆子中药制剂对肿瘤细胞的选择性细胞毒性及诱导凋亡作用。
鸦嘴苋在治疗包括癌症在内的各种疾病方面显示出令人印象深刻的功效。然而,爪哇芽孢杆菌的作用机制尚不清楚。我们建立了组织培养实验来研究爪哇芽孢杆菌对宫颈癌和其他几种癌细胞的影响。我们的研究结果表明,水提物的爪哇是有选择性的毒性癌细胞。芥蓝诱导细胞凋亡似乎是其杀死癌细胞的可能机制。有趣的是,在这些凋亡细胞中观察到p53蛋白水平显著升高。我们的研究表明,p53依赖性和p53非依赖性活性都有助于草药诱导的细胞死亡。这些结果表明,对爪哇芽孢杆菌的进一步研究可能会导致新型抗癌药物的开发。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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