2009
DOI: 10.1038/nchembio.180
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Quantifying biogenic bias in screening libraries

Abstract: In lead discovery, libraries of 106 molecules are screened for biological activity. Given the over 1060 drug-like molecules thought possible, such screens might never succeed. That they do, even occasionally, implies a biased selection of library molecules. Here a method is developed to quantify the bias in screening libraries towards biogenic molecules. With this approach, we consider what is missing from screening libraries and how they can be optimized.

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Cited by 204 publications
(196 citation statements)
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References 34 publications
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“…However, natural products may have the additional advantage over synthetic compounds of being natural metabolites: compounds that are successful as drugs have been suggested to metabolite- 18 . This means that such compounds are not only biologically active, but also likely to be substrates for one or more of the many transporter systems that can deliver the compounds to their intracellular site of action.…”
Section: Ht"mentioning
confidence: 99%
See 1 more Smart Citation
“…However, natural products may have the additional advantage over synthetic compounds of being natural metabolites: compounds that are successful as drugs have been suggested to metabolite- 18 . This means that such compounds are not only biologically active, but also likely to be substrates for one or more of the many transporter systems that can deliver the compounds to their intracellular site of action.…”
Section: Ht"mentioning
confidence: 99%
“…Furthermore, it has been shown that 83% of core ring scaffolds that are present in natural products were absent from commercially available molecules and screening libraries 18 . It was concluded that including molecules with a natural-product-like scaffold into the screening library would increase hit rates 18 .…”
Section: Advances In Natural Product-based Screeningmentioning
confidence: 99%
“…Vários estudos indicam que os compostos de bases de dados empregados na HTS possuem fortes características fármaco-similar devido à presença de esqueletos moleculares privilegiados, ao que se atribui em parte o sucesso desta técnica. 23 A geração de bases de dados é influenciada diretamente por diversos fatores, dentre os quais se destacam as propriedades moleculares e físico-químicas. Um marco importante nesta área foi o estudo desenvolvido por Lipinski e colaboradores, em 1997, sobre algumas propriedades de fármacos administrados por via oral, que resultou na elaboração da regra dos cinco (rule of five), amplamente utilizada como filtro molecular em projetos de planejamento de fár-macos devido a sua simplicidade conceitual e facilidade de aplicação.…”
Section: Organização De Bases De Dados De Compostosunclassified
“…However, molecules emerging from the new level of commitment can be applied to the targets long considered undruggable. An insightful analysis by Dr. Brian Shoichet's group revealed that nearly 80% of the ring scaffolds among the natural products were unrepresented among the commercially available molecules, 4 probably due to their limited synthetic accessibility. This may be a good example of unexplored chemical space that can be conquered by chemists with considerable practical experience and technical skill.…”
mentioning
confidence: 99%