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Journal of Cancer Prevention

Original

Journal of Korean Association of Cancer prevention 2002; 7(1): 13-18

Published online March 30, 2002

© Korean Society of Cancer Prevention

Effect of Taraxacum mongolieum Hand-Mass Ethanol Extract on Initiation of Carcinogenesis

Yun-Hee Shon and Kyung-Soo Nam

Abstract

Ethanol extract of Taraxacum mongolieum Hand-Mass (TMEE) was investigated for the effect on the phase I enzyme and carcinogen-DNA adduct formation. At 2.5, 12.5, and 25 mg/ml of TMEE, the binding of [3H]B[a]P metabolites to DNA of NCTC-clone 1469 cells was inhibited by 38.0%, 77.8%, and 68.5%, respectively. There was slight inhibition in the activity of cytochrome P450 1A1 enzyme with the treatment of TMEE. These results suggest that TMEE has chemopreventive potential by inhibiting cytochrome P450 1A1 activity and benzo[a]pyrene-DNA adduct formation.

Keywords: Taraxacum mongolieum Hand-Mass, Cytochrome P450 1A1, Carcinogen- DNA adduct

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