Abstract
Carcinogenic activity has been investigated using the Radial-Distribution-Function (RDF) approach. A discriminant model was developed to predict the carcinogenic and non-carcinogenic activity on a data set of 188 compounds. The percentage of overall classification was 76.4% for the carcinogenic chemicals and 72.5% for the non-carcinogenic chemicals. The predictive power of the model was validated by two tests: a cross-validation by the resubstitution technique and a test set (compounds not used in the development of the model) with 79.3 and 72.5% good classification, respectively. The RDF descriptors were compared with eight other methodologies; Constitutional, Molecular walks counts, Galvez topological charge indices, 2D autocorrelations, Randić molecular profiles, Geometrical, 3D-MORSE, and WHIM, demonstrating that the RDF descriptors are better to the rest of the approaches used.
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The authors would like to express gratitude to Dr. Romualdo Benigni and Dr. Johann Gasteiger for sending us useful information for the development of this work.
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Helguera, A.M., Cabrera Pérez, M.Á. & González, M.P. A radial-distribution-function approach for predicting rodent carcinogenicity. J Mol Model 12, 769–780 (2006). https://doi.org/10.1007/s00894-005-0088-5
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DOI: https://doi.org/10.1007/s00894-005-0088-5