Abstract
High-throughput screening (HTS) is one of the most powerful approaches available for identifying new lead compounds for the growing catalogue of validated drug targets. However, just as virtual and experimental HTS have accelerated lead identification and changed drug discovery, they have also introduced a large number of peculiar molecules. Some of these have turned out to be interesting for further optimization, others to be dead ends when attempts are made to optimize their activity, typically after a great deal of time and resources have been devoted. Such false positive hits are still one of the key problems in the field of HTS and in the early stages of drug discovery in general. Many studies have been devoted to understanding the origins of false-positives, and the findings have been incorporated in filters and methods that can predict and eliminate problematic molecules from further consideration. This paper will focus on the structural classes and known mechanisms of nonleadlike false positives, together with experimental and computational methods for identifying such compounds.
Keywords: drug discovery, mechanism of false-positive inhibition, methods for detecting false positives, aggregate-based promiscuous inhibitors, reactive compounds, promiscuous inhibitors, more sophisticated, nonleadlike, indiscriminate, sulfhydryl group, metalloproteinase, allopurinol, Acylhydrazides, Azoalkanals, Epoxides, Nitroalkanes, Perhaloketones, Sulfonates, Thioepoxides, b-lactamase, dihydrofolate, Chymotrypsin, chicken DHFR, stoichiometry, CAC, hydrogen-deuterium, nicardipine, SRR (structure-reactivity relationship), Delavirdine, Glyburide, Oxaprozin, Clioquinol, Hydroxyphenilhydrazones, 2-amino-3-carbonyl tiophenes, 2-hydroxyphenylhydrazones, photoactive dyes, perplexing, Shoichet, CHAPS, Enzyme Concentration, baseline enzyme, Incubation Effect, cysteine proteases, red-horseradish, prioritization, angiogenin, NMR, Light Scattering, microsecond, Plasmon Resonance, optical biosensor surface, pronounced capillarity, tetraiodophenolphthalein, ALARM NMR, omeprazole, thiol-reactive, WaterLOGSY spectrum, misinformed, CLND, HTS, PAINS
Current Medicinal Chemistry
Title: False Positives in the Early Stages of Drug Discovery
Volume: 17 Issue: 34
Author(s): R. Sink, S. Gobec, S. Pecar and A. Zega
Affiliation:
Keywords: drug discovery, mechanism of false-positive inhibition, methods for detecting false positives, aggregate-based promiscuous inhibitors, reactive compounds, promiscuous inhibitors, more sophisticated, nonleadlike, indiscriminate, sulfhydryl group, metalloproteinase, allopurinol, Acylhydrazides, Azoalkanals, Epoxides, Nitroalkanes, Perhaloketones, Sulfonates, Thioepoxides, b-lactamase, dihydrofolate, Chymotrypsin, chicken DHFR, stoichiometry, CAC, hydrogen-deuterium, nicardipine, SRR (structure-reactivity relationship), Delavirdine, Glyburide, Oxaprozin, Clioquinol, Hydroxyphenilhydrazones, 2-amino-3-carbonyl tiophenes, 2-hydroxyphenylhydrazones, photoactive dyes, perplexing, Shoichet, CHAPS, Enzyme Concentration, baseline enzyme, Incubation Effect, cysteine proteases, red-horseradish, prioritization, angiogenin, NMR, Light Scattering, microsecond, Plasmon Resonance, optical biosensor surface, pronounced capillarity, tetraiodophenolphthalein, ALARM NMR, omeprazole, thiol-reactive, WaterLOGSY spectrum, misinformed, CLND, HTS, PAINS
Abstract: High-throughput screening (HTS) is one of the most powerful approaches available for identifying new lead compounds for the growing catalogue of validated drug targets. However, just as virtual and experimental HTS have accelerated lead identification and changed drug discovery, they have also introduced a large number of peculiar molecules. Some of these have turned out to be interesting for further optimization, others to be dead ends when attempts are made to optimize their activity, typically after a great deal of time and resources have been devoted. Such false positive hits are still one of the key problems in the field of HTS and in the early stages of drug discovery in general. Many studies have been devoted to understanding the origins of false-positives, and the findings have been incorporated in filters and methods that can predict and eliminate problematic molecules from further consideration. This paper will focus on the structural classes and known mechanisms of nonleadlike false positives, together with experimental and computational methods for identifying such compounds.
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Cite this article as:
Sink R., Gobec S., Pecar S. and Zega A., False Positives in the Early Stages of Drug Discovery, Current Medicinal Chemistry 2010; 17 (34) . https://dx.doi.org/10.2174/092986710793348545
DOI https://dx.doi.org/10.2174/092986710793348545 |
Print ISSN 0929-8673 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-533X |
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