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Title 

Inhibitory effect of hesperetin on α-glucosidase: Molecular dynamics simulation integrating inhibition kinetics

Authors 

Y GongX Y QinY Y ZhaiH HaoJinhyuk LeeY D Park

Publisher 

Elsevier

Issue Date 

2017

Citation 

International Journal of Biological Macromolecules

Keywords 

HesperetinInhibitionKineticsMolecular dynamicsα-Glucosidase

Abstract 

The α-glucosidase inhibitor is of interest to researchers due to its association with type-2 diabetes treatment. Hesperetin is a flavonoid with natural antioxidant properties. This paper presents an evaluation on the effects of hesperetin on α-glucosidase via inhibitory kinetics using a Molecular Dynamics (MD) simulation integration method. Due to the antioxidant properties of hesperetin, it reversibly inhibits α-glucosidase in a slope-parabolic mixed-type manner (IC50 = 0.38 ± 0.05 mM; K slope = 0.23 ± 0.01 mM), accompanied by tertiary structural changes. Based on computational MD and docking simulations, two hesperetin rings interact with several residues near the active site on the α-glucosidase, such as Lys155, Asn241, Glu304, Pro309, Phe311 and Arg312. This study provides insight into the inhibition of α-glucosidase by binding hesperetin onto active site residues and accompanying structural changes. Hesperetin presents as a potential agent for treating α-glucosidase-associated type-2 diabetes based on its α-glucosidase-inhibiting effect and its potential as a natural antioxidant.

ISSN 

0141-8130

Link 

http://dx.doi.org/10.1016/j.ijbiomac.2017.03.072

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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