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선씀바귀 Ethyl acetate 분획물의 예쁜 꼬마선충 내의 항산화 효과
최지우(Ji Woo Choi),김준형(Jun Hyeong Kim),주남진(Nam Jin Ju),김대근(Dae Keun Kim) 한국생약학회 2023 생약학회지 Vol.54 No.4
The antioxidant activity of the methanol extract of Ixeris chinensis was examined using a Caenorhabditis elegans model system. The ethyl acetate-soluble fraction (EAf) of the I. chinensis methanol extract exhibited the best DPPH radical scavenging activity. The EAf was measured for the activities of superoxide dismutase (SOD), catalase, and oxidative stress resistance by using C. elegans along with the active oxygen species (ROS) level. In addition, in order to determine whether the regulation of stress response genes is responsible for the increase of stress resistance of C. elegans treated with the EAf, SOD-3 expression was measured using a transforming strain CF1553. As a result, the EAf increased the SOD and catalase activities and reduced ROS accumulation in a dose-dependent manner, and the CF1553 worm treated with the EAf exhibited higher SOD-3::GFP intensity, compared to the control worm.