RT Journal Article SR Electronic T1 Metformin prevents hormonal and metabolic disturbances and 1,2-dimethylhydrazine-induced colon carcinogenesis in non-diabetic rats JF Cancer Biology and Medicine JO Cancer Biol Med FD China Anti-Cancer Association SP 100 OP 107 DO 10.20892/j.issn.2095-3941.2016.0088 VO 14 IS 1 A1 Viktoria V. Bekusova A1 Vasily M. Patsanovskii A1 Alexander D. Nozdrachev A1 Alexandr P. Trashkov A1 Margarita R. Artemenko A1 Vladimir N. Anisimov YR 2017 UL http://www.cancerbiomed.org/content/14/1/100.abstract AB Effects of two doses of the anti-diabetic drug, metformin (MF), on hormonal and metabolic levels of serum of non-diabetic male Wistar rats with 1,2-dimethylhydrazine (DMH)-induced colon tumor adenocarcinomas were studied. Carcinogenesis in the animals was also observed. Rats with DMH-induced colon adenocarcinomas had elevated levels of serum glucose, insulin, insulin-like growth factor-1, total cholesterol, triglycerides, catalase, malonic dialdehyde, glycated hemoglobin, aspartate aminotransferase, and alanine aminotransferase and decreased hemoglobin. Treatment with two doses of MF normalized majority of these changes in DMH-treated rats, whereas the drug was ineffective in rats without DMH treatment. The only exception was the decreased triglyceride levels in MF-treated rats. A 100 mg/kg dose of MF increased DMH-induced exophytic colon carcinomas and decreased endophytic tumors compared with untreated rats. Moreover, both MF doses increased DMH-induced and highly differentiated tumors and decreased the invasiveness of colon carcinomas compared with rats provided with DMH and water. Therefore, effects of MF on metabolic homeostasis are critical for preventing colon cancer.