Abstract
The effects of S-allylcysteine (SAC) on hepatic lipid peroxidation and antioxidant status during 7,12-dimethylbenz[a]anthracene (DMBA)-induced hamster buccal pouch carcinogenesis (HBP) were investigated in male Syrian hamsters. Enhanced lipid peroxidation in the liver of tumour-bearing animals was accompanied by significant decreases in the activities of glutathione peroxidase (GPx) and glutathione S-transferase (GST) and a reduction in reduced glutathione (GSH) levels. Administration of SAC significantly decreased the formation of lipid peroxides and enhanced the levels of antioxidants and detoxifying enzymes. We suggest that the elevation of hepatic GSH and GSH-dependent enzymes by SAC may play a key role in preventing cancer development in the hamster cheek pouch.
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