Modeling Chronic Toxicity: A Comparison of Experimental Variability With (Q)SAR/Read-Across Predictions

This study compares the accuracy of (Q)SAR/read-across predictions with the experimental variability of chronic lowest-observed-adverse-effect levels (LOAELs) from in vivo experiments. We could demonstrate that predictions of the lazy structure-activity relationships (lazar) algorithm within the app...

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Main Authors: Christoph Helma (Author), David Vorgrimmler (Author), Denis Gebele (Author), Martin Gütlein (Author), Barbara Engeli (Author), Jürg Zarn (Author), Benoit Schilter (Author), Elena Lo Piparo (Author)
Format: Book
Published: Frontiers Media S.A., 2018-04-01T00:00:00Z.
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Summary:This study compares the accuracy of (Q)SAR/read-across predictions with the experimental variability of chronic lowest-observed-adverse-effect levels (LOAELs) from in vivo experiments. We could demonstrate that predictions of the lazy structure-activity relationships (lazar) algorithm within the applicability domain of the training data have the same variability as the experimental training data. Predictions with a lower similarity threshold (i.e., a larger distance from the applicability domain) are also significantly better than random guessing, but the errors to be expected are higher and a manual inspection of prediction results is highly recommended.
Item Description:1663-9812
10.3389/fphar.2018.00413