Quantitative Measurements of Pharmacological and Toxicological Activity of Molecules by Renata R. Kazakova & Patrick Masson

Author:Renata R. Kazakova & Patrick Masson
Format: pdf
Tags: Toxicity and pharmacological activity scales of molecules, in particular toxicants, xenobiotics, drugs, nutraceuticals, etc., are described by multiples indicators, and the most popular is the median lethal dose (LD50). At the molecular level, reversible inhibition or binding constants provide unique information on the potential activity of molecules. The important problem concerning the meaningfulness of IC50 for irreversible ligands/inhibitors is emphasized. Definitions and principles for determination of these quantitative parameters are briefly introduced in this article. Special attention is devoted to the relationships between these indicators. Finally, different approaches making it possible to link pharmacological and toxicological properties of molecules in terms of molecular interactions (or chemical reactions) with their biological targets are briefly examined. Experimental trends for future high-throughput screening of active molecules are pointed out., half-maximal inhibitory concentration; median lethal dose; toxicological and pharmacological indexes; predictive toxicology; structure–activity relationships


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