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Publication Type : Journal Article
Thematic Areas : Nanosciences and Molecular Medicine
Publisher : Karger Publishers
Source : Cellular Physiology and Biochemistry, Karger Publishers, Volume 25, Number 2-3, p.203–210 (2010)
Campus : Kochi
School : Center for Nanosciences
Center : Amrita Center for Nanosciences and Molecular Medicine Move, Nanosciences
Department : Nanosciences
Year : 2010
Abstract : Intestinal Na+-coupled glucose transporter SGLT1 determines the rate of glucose transport, which in turn influences glucose-induced insulin release and development of obesity. The present study explored effects of Gum Arabic (GA), a dietary polysaccharide from dried exudates of Acacia Senegal, on intestinal glucose transport and body weight in wild-type C57Bl/6 mice. Treatment with GA (100 g/l) in drinking water for four weeks did not affect intestinal SGLT1 transcript levels but decreased SGLT1 protein abundance in jejunal brush border membrane vesicles. Glucose-induced jejunal short-circuit currents revealed that GA treatment decreased electrogenic glucose transport. Drinking a 20% glucose solution for four weeks significantly increased body weight and fasting plasma glucose concentrations, effects significantly blunted by simultaneous treatment with GA. GA further significantly blunted the increase in body weight, fasting plasma glucose and fasting insulin concentrations during high fat diet. In conclusion, the present observations disclose a completely novel effect of gum arabic, i.e. its ability to decrease intestinal SGLT1 expression and activity and thus to counteract glucose-induced obesity.
Cite this Research Publication : O. Nasir, Artunc, F., Wang, K., Rexhepaj, R., Foeller, M., Ebrahim, A., Kempe, D. S., Dr. Raja Biswas, Bhandaru, M., Walter, M., and , “Downregulation of mouse intestinal Na+-coupled glucose transporter SGLT1 by Gum Arabic (Acacia senegal)”, Cellular Physiology and Biochemistry, vol. 25, pp. 203–210, 2010.