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  • Title: In vivo analgesic effect of different extracts of Hopea odorata leaves in mice and in silico molecular docking and ADME/T property analysis of some isolated compounds from this plant.
    Author: Ul Hoque MS, Chowdhury MS, Paul A, Barua J, Zannat SS, Hasan MM, Gupta SD, Barua S, Ahmed S, Kabir MSH.
    Journal: J Basic Clin Physiol Pharmacol; 2018 Dec 19; 30(1):121-130. PubMed ID: 30085930.
    Abstract:
    Background The current study evaluates the analgesic effect of different extracts of Hopea odorata leaves in mice followed by molecular docking and absorption, distribution, metabolism, excretion, and toxicity (ADME/T) analysis of isolated compounds derived from the plant with the COX-1 enzyme. Methods In the present study, the dried leaves of H. odorata were subjected to extraction using methanol, ethanol, and water. In vivo analgesic activity was evaluated by using the acetic acid-induced writhing test and formalin-induced paw licking test, and in silico molecular docking and ADME/T study were performed using Schrödinger Maestro (version 11.1) and online-based tools, respectively, on eight isolated compounds. Results The results showed that the methanolic extract of leaves has highest significant dose-dependent analgesic activity at both 200 and 400 mg/kg followed by ethanolic extract of leaves. Among all the compounds, ampelopsin showed the best docking score of -7.055, ensuring strong binding affinity between the ligand and the receptor, and ADME/T analysis using Web-based tools ensures the compound has not violated Lipinski's rule of five indicating its safety consumption. Conclusions The result confirms the analgesic activity of H. odorata leaves in both in vivo and in silico assays. The data support ampelopsin to be a potent analgesic compound worthy of future clinical trials and its "drug-likeliness".
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