In vitro, in vivo and in silico Antihyperglycemic Activity of Some Semi-synthetic Phytol Derivatives

(E-pub Ahead of Print)

Author(s): Harish C. Upadhyay, Akansha Mishra, Jyotsana Pandey, Pooja Sharma, Akhilesh K. Tamrakar, Arvind K. Srivastava, Feroz Khan, Santosh K. Srivastava*

Journal Name: Medicinal Chemistry


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Abstract:

Background: Due to the prevalence of type-2 diabetes across the globe, there is unmet need to explore new molecular targets for the development of cost-effective and safer antihyperglycemic agents.

Objective: Structural modification of phytol and evaluation of in vitro, in vivo and in silico antihyperglycemic activity of derivatives establishing the preliminary structure activity relationship (SAR).

Methods: The semi-synthetic derivatives of phytol were prepared following previously described methods. The antihyperglycemic potential was measured in vitro in terms of increase in 2-deoxyglucose (2-DG) uptake by L-6 rat skeletal muscle cells as well as in vivo in sucrose-loaded (SLM) and streptozotocin (STZ)-induced diabetic rat models. The blood glucose profile was measured at 30, 60, 90, 120, 180, 240, 300 and 1440 min post administration of sucrose in rats. The in silico docking was performed on peroxisome proliferator-activated receptor gamma (PPARγ) as anti-diabetic target along with absorption, distribution, metabolism, excretion and toxicity (ADMET) studies.

Results: Nine semi-synthetic ester derivatives: acetyl (1), lauroyl (2), palmitoyl (3), pivaloyl (4), trans-crotonyl (5), benzoyl (6), m-anisoyl (7), 3,4,5-trimethoxy benzoyl (8) cinnamoyl (9) along with bromo derivative (10) of phytol were prepared. The derivatives 9, 8 and 2 caused 4.5, 3.2 and 2.7 times more in vitro uptake of 2-DG respectively than rosiglitazone (ROSI). The derivatives showed significant improvement on oral glucose tolerance both in SLM (29.6-21%) as well as STZ-induced diabetic (30.8-19.0%) rats. The in silico ADMET, docking studies showed non-toxicity and high binding affinity with PPARγ.

Conclusion: The potent antihyperglycemic activity with favorable pharmacokinetics supports phytol derivatives as suitable antidiabetic lead.

Keywords: Phytol, Diabetes, semi-synthesis, docking studies, PPARγ, ADMET

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Article Details

Published on: 16 December, 2020
(E-pub Ahead of Print)
DOI: 10.2174/1573406417666201216124018
Price: $95

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