Wound healing potential of Acacia catechu in streptozotocin-induced diabetic mice using in vivo and in silico approach

10.1016/j.jtcme.2023.05.001

Vinayak P. Nakhate；Natasha S. Akojwar；Saurabh K. Sinha；Amarsinh D. Lomte；Mahaveer Dhobi；Prakash R. Itankar；Satyendra K. Prasad

Acacia catechu ； Diabetes ； (-) epicatechin ； Streptozotocin ； Wound healing ； iNOS

Journal of Traditional and Complementary Medicine

13卷5期（2023 / 09 / 01）

489 - 499

英文

Background and aim: Acacia catechu Wild. (Fabaceae) barks are traditionally used in the treatment of diabetes and wounds. Therefore, the objective of the present study was to evaluate the wound healing potential of the alcoholic extract of A. catechu (EAC) in streptozotocin-induced diabetic mice. Experimental procedures: EAC was first subjected to phytochemical estimations and standardization using (-) epicatechin as marker with the help of HPLC. Diabetes was induced in mice using streptozotocin and the wound healing potential of EAC was evaluated using excision and incision wound models on topical and oral treatment. Various biochemical parameters, in vivo antioxidants, cytokine profiling, VEGF, and histopathological examination were also performed. Further, molecular docking studies were performed using ligand (-) epicatechin on human inducible nitric oxide synthase. Results and conclusion: Phytochemically, EAC showed the presence of tannins, flavonoids, phenolic compounds, and saponins, while the content of (-) epicatechin was reported to be 7.81% w/w. The maximum healing of wounds (91.84 ± 1.10%) was observed in mice treated with a combination of both topical (10% gel) and oral (extract at 200 mg/kg) followed by topically and orally treated groups respectively after 14 days of treatment. These groups also showed significant restoration of altered biochemical parameters, antioxidant enzymes and cytokines. The molecular docking studies confirmed the role of (-) epicatechin in stabilizing the human inducible nitric oxide synthase with inhibitor showing binding energy of -8.31 kcal/mol. The present study confirmed the role of (-) epicatechin as a major marker in diabetic wound healing potential of A. catechu.

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