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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/20290
Title: Promotion of aflatoxin B<inf>1</inf>- Induced hepatocarcinogenesis by dichlorodiphenyl trichloroethane (DDT)
Authors: Subhkij Angsubhakorn
Apichat Pradermwong
Kanthimani Phanwichien
Sudarat Nguansangiam
Mahidol University
Kasetsart University
Vajira Hospital
Keywords: Medicine
Issue Date: 1-Dec-2002
Citation: Southeast Asian Journal of Tropical Medicine and Public Health. Vol.33, No.3 (2002), 613-623
Abstract: A study of the effect in rats of dichlorodiphenyl trichloroethane (DDT) on hepatocarcinogenesis that is initated by aflatoxin B1(AFB1). In the first experiment, Buffalo rats were given a single oral dose of AFB1(5 mg/kg) followed by dietary DDT (100 ppm) for 20 weeks. Neoplastic nodules were observed in 1 of the 14 AFB1-exposed rats, compared with 3 of the 19 rats in the AFB1/DDT group. In the second experiment, Wistar rats were given dietary aflatoxin B1(4 ppm) for 6 weeks followed by a 6-week exposure to DDT (500 ppm) in a plain semisynthetic diet. Five altered hepatic foci were displayed by seven rats in the AFB1group, compared with 6 foci and one neoplastic focus in five of the AFB1/DDT rats at 32 weeks. Subsequently, the AFB1group produced 8 (27.5%) tumor-bearing rats while 10 of the 28 (35.7%) AFB1/DDT-exposed rats were tumor-bearing by 60 weeks. The results suggest that DDT slightly potentiates hepatocarcinogenesis induced by either a single dose of AFB1or short term-dietary AFB1.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0038826776&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/20290
ISSN: 01251562
Appears in Collections:Scopus 2001-2005

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