Regulation of beta-catenin and connexin-43 expression: targets for sphingolipids in colon cancer prevention.

Sphingolipid metabolites are generated throughout the intestinal tract after hydrolysis of orally administered complex sphingolipids and significantly suppress colon cancer in carcinogen-treated CF1 mice. In the present study, the mechanisms of tumor suppression by dietary sphingolipids were investigated. Changes in select genes that are critical in early stages of colon cancer were analyzed in the colonic mucosa of dimethylhydrazine-treated CF1 mice fed AIN76A diet with or without 0.

Sphingomyelin in the suppression of colon tumors: prevention versus intervention.

Intestinal cells are regularly exposed to sphingolipid metabolites, i.e., ceramide and sphingoid bases, after hydrolysis of complex sphingolipids from the diet.