Abstract:
:Forward Pharmacology seeks to identify small or large molecules that modulate a normal or abnormal biological process in living cells or whole organisms and historically has been responsible for the discovery of many clinically used drugs. Forward Pharmacology approaches have become particularly attractive because advances in combinatorial chemistry and laboratory automation have made it possible to generate and interrogate large compound collections in a short period of time. Because many drug discovery efforts are now directed against specific biochemical targets, however, the utility of Forward Pharmacology is limited by the fact that assays to investigate compounds in biological systems are often phenotypic rather than target specific. We discuss here a novel strategy to discover target-based small molecules in intact cells using contemporary Forward Pharmacology in cells with specific genetic manipulations. The method, which we have termed "chemical complementation", is defined as the ability of small molecules to reverse a genetically induced phenotypic change in intact cells. Chemical complementation represents an extension of the commonly used genetic complementation approach, where cDNA libraries are used to investigate the function of genes based on their ability to rescue a specific genetic defect. We present examples of how chemical complementation has been used to identify and credential cell-active, small molecule inhibitors of 2 dual-specificity phosphatases, Cdc25A and MKP-3, which heretofore have eluded small molecule drug discovery efforts.
journal_name
Pharmacol Therjournal_title
Pharmacology & therapeuticsauthors
Vogt A,Lazo JSdoi
10.1016/j.pharmthera.2005.03.002subject
Has Abstractpub_date
2005-08-01 00:00:00pages
212-21issue
2eissn
0163-7258issn
1879-016Xpii
S0163-7258(05)00060-4journal_volume
107pub_type
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