Formation of DHP-derived DNA adducts in vivo from dietary supplements and Chinese herbal plant extracts containing carcinogenic pyrrolizidine alkaloids

被引：41
作者：
Chou, Ming W. [1 ]
Fu, Peter P. [1 ]
机构：
[1] Natl Ctr Toxicol Res, Div Biochem Res, Jefferson, AR 72079 USA
来源：
TOXICOLOGY AND INDUSTRIAL HEALTH | 2006年 / 22卷 / 08期
关键词：
dietary supplement; DNA adduct; pyrrolizidine alkaloid; riddelhine;
D O I：
10.1177/0748233706071765
中图分类号：
R1 [预防医学、卫生学];
学科分类号：
1004 ; 120402 ;
摘要：
We recently determined that the metabolism of a series of tumorigenic pyrrolizidine alkaloids resulted in the formation of a set of 6,7-dihydro-7-hydroxy-1-hydroxymethyl-5H-pyrrolizine (DHP)derived DNA adducts. These DHP-derived DNA adducts have been proposed as potential biomarkers of pyrrolizidine alkaloid tumorigenicity, as well as pyrrolizidine alkaloid exposure. In this paper, we report that DHP-derived DNA adducts are formed in the liver of female F344 rats, gavaged with three dietary supplements (comfrey root extract, comfrey compound oil, and coltsfoot root extract), or an extract of a Chinese herbal plant, flos farfara (Kuan Tong Hua).
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页码：321 / 327
页数：7
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