Title : Inhibitory effect of CuSO₄ on α-glucosidase activity in ddY mice.

Pub. Date : 2010 Jan

PMID : 21072376






6 Functional Relationships(s)
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1 Inhibitory effect of CuSO4 on alpha-glucosidase activity in ddY mice. Copper Sulfate sucrase isomaltase (alpha-glucosidase) Mus musculus
2 CuSO4 and ZnSO4 exhibited a high alpha-glucosidase inhibitory effect in vitro. Copper Sulfate sucrase isomaltase (alpha-glucosidase) Mus musculus
3 The IC(50) values of CuSO4 were 0.77 +- 0.01 (substrate; maltose) and 0.78 +- 0.01 (substrate; sucrose), and those of ZnSO4 were 5.49 +- 0.14 (substrate; maltose) and 4.70 +- 0.06 (substrate; sucrose) for yeast alpha-glucosidase. Copper Sulfate sucrase isomaltase (alpha-glucosidase) Mus musculus
4 On the basis of Lineweaver-Burk plots, both CuSO4 and ZnSO4 exhibited different modes of inhibition against alpha-glucosidase. Copper Sulfate sucrase isomaltase (alpha-glucosidase) Mus musculus
5 These results indicate that CuSO4 suppresses disaccharide digestion by inhibiting alpha-glucosidase activity in the epithelium of the small intestine, suggesting that antidiabetic Cu complexes with some ligands have a similar action mechanism to that of alpha-glucosidase inhibitor, acarbose, currently used for clinical purposes. Copper Sulfate sucrase isomaltase (alpha-glucosidase) Mus musculus
6 These results indicate that CuSO4 suppresses disaccharide digestion by inhibiting alpha-glucosidase activity in the epithelium of the small intestine, suggesting that antidiabetic Cu complexes with some ligands have a similar action mechanism to that of alpha-glucosidase inhibitor, acarbose, currently used for clinical purposes. Copper Sulfate sucrase isomaltase (alpha-glucosidase) Mus musculus