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EFFECT OF GLYCYRRHETINIC ACID ON DNA DAMAGE AND UNSCHEDULED DNA SYNTHESIS INDUCED BY BENZO(α)PYRENE 被引量:1
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作者 陈晓光 韩锐 《Chinese Medical Sciences Journal》 CAS CSCD 1995年第1期16-19,共4页
Glyeyrrhetinic acid (GA) is an active component of Glycyrrhiza uraleusis fisch,In this study,GA was found to inhibit ear edema and ornithine decarboxylase (ODC)activity induced by croton oil in mice. GA could also pro... Glyeyrrhetinic acid (GA) is an active component of Glycyrrhiza uraleusis fisch,In this study,GA was found to inhibit ear edema and ornithine decarboxylase (ODC)activity induced by croton oil in mice. GA could also protect rapid DNA damage and decrease the unscheduled DNA synthesis induced by benzo(α)pyrene. The results demonstrate that GA has a potential cancer chemopreventive activity. 展开更多
关键词 glycyrrhetinic acid dna damage protection unscheduled dna synthesis
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LONG TERM SUPPLEMENTATION OF SE-ENRICHED MALT FOR THE HIGH RISK POPULATION OF LUNG CANCER: INHIBITION OF ULTRAVIOLET LIGHT AND BENZOaPYRENE INDUCED UNSCHEDULED AND SYNTHESIS OF PERIPHERAL LYMPHOCYTES
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作者 陈望秋 毛宝霖 +4 位作者 肖平 于维平 王应龙 黄常志 褶湘珍 《Chinese Journal of Cancer Research》 SCIE CAS CSCD 1993年第2期47-51,共5页
Se malt cakes containing 300μg selenium were taken up daily to men from high risk area in lung cancer and the influences of Ultraviolet (UV) and Benaopyrene (BαP) induced unscheduled DNA synthesis (UDS) were determi... Se malt cakes containing 300μg selenium were taken up daily to men from high risk area in lung cancer and the influences of Ultraviolet (UV) and Benaopyrene (BαP) induced unscheduled DNA synthesis (UDS) were determined. The Se levels in serum, hair and activity of GSH-px were increased by 89%, 67% and 178%, respectively, after Se-supplementation for half year. In the UV treatment, the ratio of UDS was decreased from the mean values of 2. 47 in the control to 1. 61 (P<0. 05) in the Se-group, In the BaP treatment, furthermore, the elevated Se levels of 78% in serum and 83% in the hair accompanied with 56% high in activity of GSH-px were followed by the Se intake for one year, while the mean value of UDS was reduced from 2. 21 in the control to 1. 47(P< 0. 05) in the group of selenium tested. The blocking effects of UV irradiation and BaP treatment induced UDS of peripheral lymphocytes were showed in the Se-supplementation. 展开更多
关键词 unscheduled dna synthesis (UDS).Selenium ULTRAVIOLET Benzopyrene
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