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Lyophilized açaí pulp (Euterpe oleracea Mart) attenuates colitis-associated colon carcinogenesis while its main anthocyanin has the potential to affect the motility of colon cancer cells.
Food and Chemical Toxicology 2018 November
This study evaluated the possible protective effects of lyophilized açaí pulp (AP) in a colitis-associated carcinogenesis (CAC) rat model and the modifying effect of cyanidin 3-rutinoside (C3R) on the motility of RKO colon adenocarcinoma cells, using the wound healing assay. Male Wistar rats were induced to develop CAC using 1,2-dimethylhydrazine (DMH) and 2,4,6-trinitrobenzene acid (TNBS). Animals were randomly assigned to different groups that received basal diet or basal diet supplemented with 5.0% or 7.5% lyophilized AP. The findings indicate: 1) C3R (25 μM) has the potential to reduce RKO cell motility in vitro; 2) ingestion of lyophilized AP reduces the total number of aberrant crypt foci (ACF), ACF multiplicity, tumor cell proliferation and incidence of tumors with high grade dysplasia; 3) AP increases the gene expression of negative regulators of cell proliferation such as Dlc1 and Akt3, as well as inflammation (Ppara). Thus, lyophilized AP could exert a potential antitumor activity.
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