[Effect of dihydropyrrol and maleimide derivatives on the state of the liver and colon in normal rats and those with colorectal carcinogenesis induced by dimethylhydrazine].
H. Kuznietsova, O. Lynchak, M. O. Danylov, I. Kotliar, V. K. Rybal'chenko
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引用次数: 19
Abstract
No liver and colon alterations in rats, caused by cytostatic compounds 5-amino-4-(1,3-benzothyazol-2-yl)-1-(3-methoxyphenyl)-1,2-dihydro-3H-pyrrol-3-one (D1) and 1-(4-Cl-benzyl)-3-Cl-4-(CF3-phenylamino)-1H-pyrrol-2,5-dione (MI-1) when administered over a long time were found, as evidenced by the histopathological data and the data of activity of transaminases, alkaline phosphatase and lactate dehydrogenase in the blood serum. D1 and MI-1 in vivo decrease the total area of DMH-induced colon tumors in rats by 46-60%. Furthermore, D1 and MI-1 partially protect the liver and colon mucosa from toxic effects caused by 1,2-dimethylhydrazine (DMH) reducing DNA oxidative modifications, as evidenced by urine 8-hydroxydeoxyguanosine level. The effects of both compounds are similar, but MI-1 is less toxic for the liver and colon of intact animals possessing more pronounced antitumor activity and protective properties in the setting of chemically induced carcinogenesis.