Chronic wound resulting from Diabetes Mellitus is a significant cause of amputation worldwide. Secondary infections, lowering of nitric oxide synthase level, reduction of glucose-6-phosphate dehydrogenase levels, improper extracellular matrix remodelling, neuropathy, abnormality of endothelial cell function, and vasculopathy impedes the normal wound healing cycle during diabetes. Multiple studies have concluded that Ser9 phosphorylation causes inhibition of the glycogen synthase kinase-3β (GSK3-β) protein, which is essential for faster diabetic wound healing. Hence this protein could be a potential target for molecular interactions with prospective wound-healing molecules. Verbascoside, martynoside, echinacoside, crenatoside, and salidroside are a few phenylethanoid glycosides that have the potential wound-healing ability by increasing extracellular matrix synthesis, angiogenesis, keratinocyte migration, and the functioning of macrophages and neutrophils. Thus, the five glycosides were subjected to molecular docking with GSK3-β protein (PDB ID: 1I09). This study revealed strong binding interactions with GSK3-β (between -10.2 to -7.3 kcal/mol) and inhibition constants (between 0.032 to 4.397 µM) which suggested potent inhibition of the target protein even at lower concentrations of these compounds. Further, the docked complexes were visualized to find the interaction of the ligands with the amino acid residues. However, further in-vivo and in-vitro studies are required to validate the activity of these phenylpropanoid glycosides in diabetic wound healing.
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In silico study to evaluate the inhibitory activity of a few phenylethanoid glycosides on GSK3-β protein for faster diabetic wound healing
Published:
08 March 2023
by MDPI
in The 2nd International Electronic Conference on Biomedicines
session Wound Healing
Abstract:
Keywords: Phenylpropanoid glycosides; Diabetes mellitus; Wound healing; Binding interactions; Inhibition constants
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