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Semi-correlations as a tool to build up categorical (active/inactive) model of GABAA receptor modulator activity

  • Alla P. ToropovaEmail author
  • Andrey A. Toropov
  • Emilio Benfenati
Original Research
  • 22 Downloads

Abstract

The interpretation of mode of action for GABAA receptor modulator activity is an important task of medicinal chemistry. The computational elucidation of the modulator activity is one of the ways to solve the above task. So-called semi-correlation is a tool for prediction of GABAA receptor modulator activity. The semi-correlation is based on the Monte Carlo method. This approach is to build up categorical classification models into two classes: (i) active and (ii) inactive. The CORAL software (http://www.insilico.eu/coral) can be used to build up the semi-correlations. The statistical quality of models (for external validation sets) based on semi-correlation has the range of Matthews correlation coefficient (MCC) is 0.72–1.00 for 30 random splits of all available data (n = 210) into the training and validation sets. In contrast to existing approaches, the predictive CORAL models give prediction using solely data on molecular architecture (represented by simplified molecular input-line entry system = SMILES) and available experimental data on endpoints. Suggested models for prediction of GABAA receptor modulator activity are built up according to the OECD principles. Thus, the approach based on the semi-correlation can be a useful tool for studying of the GABAA receptor modulators activity.

Keywords

GABAA receptor Neuroprotection SAR Fuzzy set OECD principles CORAL software 

Notes

Acknowledgments

The project LIFE-CONCERT contract (LIFE17 GIE/IT/000461) for financially supported this.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

11224_2018_1226_MOESM1_ESM.xlsx (33 kb)
ESM 1 (XLSX 32 kb)

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Environmental Health Science, Laboratory of Environmental Chemistry and ToxicologyIstituto di Ricerche Farmacologiche Mario Negri IRCCSMilanItaly

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