期刊
JOURNAL OF ETHNOPHARMACOLOGY
卷 98, 期 1-2, 页码 163-170出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.jep.2005.01.016
关键词
Sutherlandia frutescens; apoptosis; cytotoxicity; CHO (Chinese Hamster Ovary) cells; cancer therapy
Sutherlandia frutescens popularly known as cancer bush is endemic to Southern Africa. Whole plant parts have been used and traditional healers claim that it can treat cancer. In this study it is shown that a crude aqueous Sutherlandia frutescens whole plant extract induced cytotoxicity in neoplastic cells (cervical carcinoma) and CHO (Chinese Hamster Ovary cells) cell lines. Morphological observation and monitoring with other biological assays involving chromatin condensation as well as phosphotidyl serine externalisation point to apoptotic responses. Further biochemical assays showed similar DNA fragmentation patterns induced by Sutherlandia frutescens extracts compared to other inducers of apoptosis such as staurosporine and ceramide. Furthermore, Sutherlandia frutescens extracts induced apoptosis was confirmed by flow cytometric analysis. These findings warrant further research with a view to develop Sutherlandia frutescens extracts for use in anti-cancer therapy. (c) 2005 Elsevier Ireland Ltd. All rights reserved.
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