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Automatic QSAR modeling of ADME properties: blood–brain barrier penetration and aqueous solubility

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Abstract

In this article, we present an automatic model generation process for building QSAR models using Gaussian Processes, a powerful machine learning modeling method. We describe the stages of the process that ensure models are built and validated within a rigorous framework: descriptor calculation, splitting data into training, validation and test sets, descriptor filtering, application of modeling techniques and selection of the best model. We apply this automatic process to data sets of blood–brain barrier penetration and aqueous solubility and compare the resulting automatically generated models with ‘manually’ built models using external test sets. The results demonstrate the effectiveness of the automatic model generation process for two types of data sets commonly encountered in building ADME QSAR models, a small set of in vivo data and a large set of physico-chemical data.

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Notes

  1. Auto-ModelerTM is a trademark of Galapagos NV and/or its affiliates.

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Authors and Affiliations

  1. BioFocus DPI Ltd., Darwin Building, Chesterford Research Park, Saffron Walden, CB10 1XL, UK

    Olga Obrezanova, Joelle M. R. Gola, Edmund J. Champness & Matthew D. Segall

Authors
  1. Olga Obrezanova
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  2. Joelle M. R. Gola
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  3. Edmund J. Champness
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  4. Matthew D. Segall
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Corresponding author

Correspondence to Olga Obrezanova.

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Obrezanova, O., Gola, J.M.R., Champness, E.J. et al. Automatic QSAR modeling of ADME properties: blood–brain barrier penetration and aqueous solubility. J Comput Aided Mol Des 22, 431–440 (2008). https://doi.org/10.1007/s10822-008-9193-8

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  • DOI: https://doi.org/10.1007/s10822-008-9193-8

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