Insulinotropic and anti-obesity properties of ethno-medicinal plants: pharmacology-based and in-silico predictions
Abstract
Abstract The herbal extracts of four traditional plants; namely Gymnema sylvestre leaves, Garcinia cambogia fruits, Cleome droserifolia leaves, and Nigella sativa seeds, were identified for their main constituents using UHPLC/QTOF-MS/MS. Then, a pharmacology-based analysis and molecular docking verification were established targeting the evaluation of each individual herbal extract for their antidiabetic/anti-obesity potential besides their safety. Streptozotocin-induced diabetic rats were used to evaluate antiobesity and insulinotropic effects against insulin (10 U/Kg, IP) and metformin (100 mg/Kg, per oral) as standard regimens. Levels of insulin and fasting blood glucose as well as body weight were assessed, together with certain histopathological, hematological, and biochemical parameters to establish safety profiles. The four herbal extracts exhibited an increase in insulin secretion in-vivo, which is confirmed by docking studies. The herbal extracts (100 mg/kg per oral, daily) demonstrated a significant weight decrease. Each individual herbal extract markedly improved the streptozotocin-induced indices alterations. Graphical abstract
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