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Article Publish Status: FREE
Abstract Title:

Betulinic Acid Suppresses Ovarian Cancer Cell Proliferation through Induction of Apoptosis.

Abstract Source:

Biomolecules. 2019 Jul 3 ;9(7). Epub 2019 Jul 3. PMID: 31277238

Abstract Author(s):

Dahae Lee, Seoung Rak Lee, Ki Sung Kang, Yuri Ko, Changhyun Pang, Noriko Yamabe, Ki Hyun Kim

Article Affiliation:

Dahae Lee

Abstract:

Ovarian cancer is one of the leading causes of cancer deaths worldwide in women, and the most malignant cancer among the different gynecological cancers. In this study, we explored potentially anticancer compounds from(Cornaceae), the MeOH extract of which has been reported to show considerable cytotoxicity against several cancer cell lines. Phytochemical investigations of the MeOH extract of the stem and stem bark ofby extensive application of chromatographic techniques resulted in the isolation of 14 compounds (-). The isolated compounds were evaluated for inhibitory effects on the viability of A2780 human ovarian carcinoma cells and the underlying molecular mechanisms were investigated. An 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay was employed to assess the anticancer effects of compounds-on A2780 cells, which showed that compound(betulinic acid) reduced the viability of these cells in a concentration-dependent manner and had an half maximal (50%) inhibitory concentration (IC) of 44.47μM at 24 h. Nuclear staining and image-based cytometric assay were carried out to detect the induction of apoptosis by betulinic acid. Betulinic acid significantly increased the condensation of nuclei and the percentage of apoptotic cells in a concentration-dependent manner in A2780 cells. Westernblot analysis was performed to investigate the underlying mechanism of apoptosis. The results indicated that the expression levels of cleaved caspase-8, -3, -9, and Bax were increased in A2780 cells treated with betulinic acid, whereas those of Bcl-2 were decreased. Thus, we provide the experimentalevidence that betulinic acid can induce apoptosis in A2780 cells through both mitochondria-dependent and -independent pathways and suggest the potential use of betulinic acid in the development of novel chemotherapeutics for ovarian cancer therapy.

Study Type : In Vitro Study

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