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Please use this identifier to cite or link to this item:
http://ir.lib.cyut.edu.tw:8080/handle/310901800/23021
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| Title: | Selective apoptotic cell death effects of oral cancer cells treated with destruxin B |
| Authors: | 曾耀銘
Liu, Rosa Huang;Chen, Shih-Pin;Lu, Tsong-Ming;Tsai, Wei-Yu;Tsai, Chung-Hung;Yang,
Chi-Chiang;Tzeng, Yew-Min |
| Contributors: | 應用化學系 |
| Keywords: | destruxin |
| Date: | 2014-06 |
| Issue Date: | 2015-03-09 10:16:43 (UTC+8) |
| Publisher: | BioMed Central |
| Abstract: | Background: Recent studies have revealed that destruxins (Dtx) have potent cytotoxic activities on individual cancer cells, however, data on oral cancer cells especial human are absent.
Methods: Destruxin B (DB) was isolated and used to evaluate the selective cytotoxicity with human oral cancer cell lines, GNM (Neck metastasis of gingival carcinoma) and TSCCa (Tongue squamous cell carcinoma) cells, and normal gingival fibroblasts (GF) were also included as controls. Cells were tested with different concentrations of DB for 24, 48, and 72 h by MTT assay. Moreover, the mechanism of cytotoxicity was investigated using caspase-3 Immunofluorescence, annexin V/PI staining, and the expression of caspase-3, Bax, and Bcl-2 by western blotting after treated with different concentrations of DB for 72 h as parameters for apoptosis analyses.
Results: The results show that DB exhibited significant (p < 0.01) and selective time- and dose-dependent inhibitory effects on GNM and TSCCa cells viability but not on GF cells. The data suggested that DB is capable to induce tumor specific growth inhibition in oral GNM and TSCCa cancer cells via Bax/Bcl-2-mediated intrinsic mitochondrial apoptotic pathway in time- and dose-dependent manners.
Conclusions: This is the first report on the anti-proliferation effect of DB in oral cancer cells. The results reported here may offer further evidences to the development of DB as a potential complementary chemotherapeutic target for oral cancer complications. |
| Relation: | BMC Complementary and Alternative Medicine 14:207, p.1-10 |
| Appears in Collections: | [應用化學系] 期刊/會議/專書論文
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| Off-print_BMC-CAM 2014, 14207.pdf | 黑殭菌素B | 3121Kb | Adobe PDF | 782 | View/Open |
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