Molecular docking and preclinical studies of gymnema sylvestre on endothelial nitric oxide synthase (enos) in type-2 diabetes related complications

    Published on:13th Aug,2014
    Journal of Young Pharmacists, 2014; 6(4):25-32
    Original Article | doi:10.5530/jyp.2014.4.5
    Authors:

    K. Abedulla Khan1*, Shabnam Dobani2, Mohammed Adil Shareef2

    1Department of Pharmacy Practice, Sultan Ul Uloom College of Pharmacy, Hyderabad, Andhra Pradesh, India,

    2Department of Pharmaceutical Chemistry, Sultan Ul Uloom College of Pharmacy, Hyderabad, Andhra Pradesh, India.

    Abstract:

    Aim: The purpose of the study was to investigate the effect of different compounds from leaves of Gymnema sylvestre (GS) on nitric oxide (NO) production. Materials and Methods: To study the binding and effect of different compounds from GS 10 molecules were docked on the enzyme endothelial NO synthase (eNOS) using molegro virtual docker and the result was compared with that of the agonists (acetylcholine, bradykinin, and serotonin). Further to confirm the activity animal studies were done on albino rats blood glucose levels were measured using glucometer and NO levels were estimated spectrophotometrically using griess agent. Results: Docking studies showed that almost all the compounds from the leaves of GS bind perfectly with eNOS with the lowest binding energies similar to that of the agonists. Animal studies confirmed the docking results when blood glucose levels decreased and NO levels increased in diabetic rats treated with GS leaf extract. Conclusion: Docking and animal studies show that leaf extract of GS might help in improving the production of NO by stimulating eNOS and thus, can be used as an agent to avoid diabetes and diabetic vascular complications.

    Key words: Endothelial nitric oxide synthase, diabetes and diabetic vascular complications, Gymnema sylvestsre, molecular docking.

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