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https://hdl.handle.net/20.500.14279/29775
Title: | From Traditional Ethnopharmacology to Modern Natural Drug Discovery: A Methodology Discussion and Specific Examples | Authors: | Pirintsos, Stergios Panagiotopoulos, Athanasios Bariotakis, Michalis Daskalakis, Vangelis Lionis, Christos D. Sourvinos, George Karakasiliotis, Ioannis Kampa, Marilena Castanas, Elias |
Major Field of Science: | Engineering and Technology | Field Category: | Chemical Engineering | Keywords: | bioprospecting;computational chemistry;drug discovery;ethnopharmacology;experimental screening;in silico screening;pharmacological testing;plants | Issue Date: | 1-Jul-2022 | Source: | Molecules, 2022, vol. 27, iss. 13 | Volume: | 27 | Issue: | 13 | Abstract: | Ethnopharmacology, through the description of the beneficial effects of plants, has provided an early framework for the therapeutic use of natural compounds. Natural products, either in their native form or after crude extraction of their active ingredients, have long been used by different populations and explored as invaluable sources for drug design. The transition from traditional ethnopharmacology to drug discovery has followed a straightforward path, assisted by the evolution of isolation and characterization methods, the increase in computational power, and the development of specific chemoinformatic methods. The deriving extensive exploitation of the natural product chemical space has led to the discovery of novel compounds with pharmaceutical properties, although this was not followed by an analogous increase in novel drugs. In this work, we discuss the evolution of ideas and methods, from traditional ethnopharmacology to in silico drug discovery, applied to natural products. We point out that, in the past, the starting point was the plant itself, identified by sustained ethnopharmacological research, with the active compound deriving after extensive analysis and testing. In contrast, in recent years, the active substance has been pinpointed by computational methods (in silico docking and molecular dynamics, network pharmacology), followed by the identification of the plant(s) containing the active ingredient, identified by existing or putative ethnopharmacological information. We further stress the potential pitfalls of recent in silico methods and discuss the absolute need for in vitro and in vivo validation as an absolute requirement. Finally, we present our contribution to natural products' drug discovery by discussing specific examples, applying the whole continuum of this rapidly evolving field. In detail, we report the isolation of novel antiviral compounds, based on natural products active against influenza and SARS-CoV-2 and novel substances active on a specific GPCR, OXER1. | URI: | https://hdl.handle.net/20.500.14279/29775 | ISSN: | 14203049 | DOI: | 10.3390/molecules27134060 | Rights: | © by the authors Attribution-NonCommercial-NoDerivatives 4.0 International |
Type: | Article | Affiliation : | University of Crete Nature Crete Pharmaceuticals Cyprus University of Technology Democritus University of Thrace |
Publication Type: | Peer Reviewed |
Appears in Collections: | Άρθρα/Articles |
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