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Title: Molecular Docking Evaluation of Some Natural Phenolic Compounds as Aldose Reductase Inhibitors for Diabetic Complications
Keywords: Aldose Reductase
AR Inhibitors
Diabetic Complications
Molecular Docking
Phenolic compounds
Polyol Pathway
Issue Date: 2-Nov-2017
Publisher: Chitkara University Publications
Abstract: The enzyme aldose reductase (AR) is a member of aldoketoreductase super-family which catalyzes the formation of sorbitol from glucose through polyol pathway of glucose catabolism. Reduced sorbitol production via polyol pathway due to AR inhibition is a target of choice for controlling major complications of diabetes. Epalrestat is the only commercially available inhibitor of AR till date,thus, there is a great need to search for more economical, nontoxic and safer inhibitors of AR enzyme. Flavonoids, the polyphenol compounds in plants have been reported for inhibitory effects against AR. The objective of this study is to explore the binding modes of natural phenolic compounds with AR to design safer natural drugs as alternatives to synthetic drugs. We conducted a molecular docking study on some natural phenolic compounds with AR enzyme in complex with the synthetic inhibitor. The overlay of the docked pose of the selected natural phenols with the ARreference inhibitor complex showed that the selected natural compounds have the similar binding pattern with the active site residues of the enzyme as that of co-crystallized inhibitor. The results of docking study showed the best binding affinity of AR with that of 2-(4-hydroxy-3-methoxyphenyl) ethanoic acid and butein, having the lowest binding free energy of –9.8 kcal/mol and –9.7 kcal/mol, respectively. This information can be utilized to design potent, economical and non-toxic natural AR inhibitors from natural phenols for the therapeutics of diabetic complications.
ISSN: Print 2321-2217
Online 2321-2225
Appears in Collections:JPTRM Volume 5 Number 2 (November - 2017)

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