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Journal of Cancer Prevention ; : 193-201, 2015.
Artigo em Inglês | WPRIM | ID: wpr-112061

RESUMO

BACKGROUND: Anthocyanins have been shown to inhibit cancer cell growth by suppressing oxidative stress and inflammatory responses. The purpose of this study was to investigate the effects of an anthocyanin-rich extract (AE) from black soybean coat on intestinal carcinogenesis. METHODS: APC(Min/+) mice were fed a diet of 0.2% or 0.5% AE for 7 weeks. We analyzed the number of intestinal tumors, oxidative stress and inflammatory markers associated with beta-catenin and cytosolic phospholipase A2 (cPLA2) signals. The number of intestinal tumors, and cellular expression of beta-catenin were determined. RESULTS: The number of intestinal tumors was significantly lower in mice fed a 0.5% AE diet compared to those of the other groups. Cytosolic beta-catenin expression was significantly decreased in the AE supplemented groups compared to that of the control animals. In addition, mucosa expression of cyclooxygenase-2 and cPLA2 were also significantly decreased in the 0.5% AE group, by 32% and 62%, respectively, compared to the control group. CONCLUSIONS: These results suggest that dietary AE reduced the development of intestinal tumors, possibly through the ability to suppress oxidative stresses, decreasing inflammatory responses mediated by beta-catenin associated signals.


Assuntos
Animais , Camundongos , Antocianinas , beta Catenina , Carcinogênese , Ciclo-Oxigenase 2 , Citosol , Dieta , Inflamação , Polipose Intestinal , Mucosa , Estresse Oxidativo , Fosfolipases A2 , Glycine max
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