期刊
JOURNAL OF ETHNOPHARMACOLOGY
卷 80, 期 2-3, 页码 115-120出版社
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0378-8741(01)00417-2
关键词
antineoplasic drug; Bax variants; Bcl-2; Cupressus lusitanica; apoptosis
A crude ethanolic extract of Cupressus lusitanica Mill. leaves demonstrate cytotoxicity in a panel of cancer cell lines. Cell death was due to apoptosis, as assessed by morphologic features (chromatin condensation and apoptotic bodies formation) and specific DNA fragmentation detected by in situ end-labeling of DNA breaks (TUNEL). The apoptotic cell death was induced timely in a dose-dependent manner. Despite the absence of changes in the expression levels of antiapoptotic protein Bcl-2. proapoptotic Bax protein variants w and delta were increased. These results warrant further research of possible antitumor compounds in this plant. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.
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