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- 저자 : Gabriela Chereches (검색결과 1 건)
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Ion Dan Postescu,Gabriela Chereches,Corina Tatomir,Doina Daicoviciu,Gabriela Adriana Filip 한국식품영양과학회 2012 Journal of medicinal food Vol.15 No.7
The major limitation of Doxorubicin (Dox) clinical use is the development of chronic and acute toxic side effects induced through the generation of reactive oxygen species. The present work was designated to investigate in vitro effects of a red grape-seed hydroethanolic extract Burgund Mare (BM), in associated administration with Dox (30 min before drug administration) in normal (Hfl-1) and tumor cell lines (HepG2 and Mls). The BM concentrations administered were below the level of the extract cytotoxiciy threshold (40 lg gallic acid [GA] Eq/mL; 37.5, 25.0, and 12.5 lg GA Eq/mL). The antioxidant capacity of the BM extract was assessed by measuring the acute toxicity at 24 h, lipid peroxides (LP), and protein oxidation. In normal cells, the product statistically decreased cytotoxicity and markedly inhibited LP and protein carbonyl (PC) formation, in a dose-dependent relationship. On contrary, in tumor cells, such treatment resulted in a reversed effect, cell death, malondialdehyde, and PC contents increasing with BM dose enhancement. BM extract treatment prior to subsequent administration of Dox afforded a differential protection against Dox-negative toxic side effects in normal cells without weakening (even enhancing) Dox’s antitumor activity.
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