Journal
ANTI-CANCER DRUGS
Volume 24, Issue 4, Pages 394-405Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/CAD.0b013e32835e9743
Keywords
caffeic acid phenethyl ester; chemical carcinogenesis; chemoprotection; hepatocellular carcinoma
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Funding
- PAPIIT/UNAM [IG200813]
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We present a study of the chemoprotective effects of two caffeic acid phenethyl ester (CAPE)-related structures: LQM717 and LQM706. The modified resistant hepatocyte model in rats was used to study the chemoprevention of these CAPE analogues, which are inexpensive and easily obtained. In the liver cancer model used, we detected extensive necrosis and lipid peroxidation after 24 h, many altered hepatic foci, putatively preneoplastic lesions with gamma-glutamyl transpeptidase staining after 30 days, and liver tumors at 12 months. We tested the effect of the CAPE analogues on necrosis, lipid peroxidation, proliferation, p65 activation, altered hepatic foci, and tumors. Both compounds exerted protective effects on lipid peroxidation, necrosis, cell proliferation, p65 activation, and preneoplastic lesions. Rats under a carcinogenic protocol showed a 52, 71.74, and 51.6% decrease in the number of preneoplastic nodules when pretreated with CAPE, LQM706, and LQM717, respectively. At 12 months after carcinogenic treatment, eight of eight rats developed liver cancer, whereas in the group of rats that received pretreatment with CAPE, LQM706, or LQM717, 62.5, 83.3, or 42.85%, respectively, had tumors. In conclusion, LQM717 has the potential to enhance chemoprotection activity much better than CAPE by markedly reducing the formation of liver cancers in this model, and this is a compound that is easy to obtain. Anti-Cancer Drugs 24: 394-405 (C) 2013 Wolters Kluwer Health vertical bar Lippincott Williams & Wilkins. Anti-Cancer Drugs 2013, 24:394-405
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