Dry selection and wet evaluation for the rational discovery of new anthelmintics

Yovani Marrero-Ponce, Yeniel González Castañeda, Ricardo Vivas-Reyes, Fredy Máximo Vergara, Vicente J. Arán, Juan A. Castillo-Garit, Facundo Pérez-Giménez, Francisco Torrens, Huong Le-Thi-Thu, Hai Pham-The, Yolanda Vera Montenegro, Froylán Ibarra-Velarde

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

3 Citas (Scopus)

Resumen

Helminths infections remain a major problem in medical and public health. In this report, atom-based 2D bilinear indices, a TOMOCOMD-CARDD (QuBiLs-MAS module) molecular descriptor family and linear discriminant analysis (LDA) were used to find models that differentiate among anthelmintic and non-anthelmintic compounds. Two classification models obtained by using non-stochastic and stochastic 2D bilinear indices, classified correctly 86.64% and 84.66%, respectively, in the training set. Equation 1(2) correctly classified 141(135) out of 165 [85.45%(81.82%)] compounds in external validation set. Another LDA models were performed in order to get the most likely mechanism of action of anthelmintics. The model shows an accuracy of 86.84% in the training set and 94.44% in the external prediction set. Finally, we carry out an experiment to predict the biological profile of our ‘in-house’ collections of indole, indazole, quinoxaline and cinnoline derivatives (∼200 compounds). Subsequently, we selected a group of nine of the theoretically most active structures. Then, these chemicals were tested in an invitro assay and one good candidate (VA5-5c) as fasciolicide compound (100% of reduction at concentrations of 50 and 10 mg/L) was discovered.

Idioma originalInglés
Páginas (desde-hasta)2300-2313
Número de páginas14
PublicaciónMolecular Physics
Volumen115
N.º17-18
DOI
EstadoPublicada - 17 sep. 2017

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