PMID- 23676010 OWN - NLM STAT- MEDLINE DCOM- 20141124 LR - 20191027 IS - 1875-6638 (Electronic) IS - 1573-4064 (Linking) VI - 10 IP - 2 DP - 2014 Mar TI - Chemometric studies on potential larvicidal compounds against Aedes aegypti. PG - 201-10 AB - The mosquito Aedes aegypti (Diptera, Culicidae) is the vector of yellow and dengue fever. In this study, chemometric tools, such as, Principal Component Analysis (PCA), Consensus PCA (CPCA), and Partial Least Squares Regression (PLS), were applied to a set of fifty five active compounds against Ae. aegypti larvae, which includes terpenes, cyclic alcohols, phenolic compounds, and their synthetic derivatives. The calculations were performed using the VolSurf+ program. CPCA analysis suggests that the higher weight blocks of descriptors were SIZE/SHAPE, DRY, and H2O. The PCA was generated with 48 descriptors selected from the previous blocks. The scores plot showed good separation between more and less potent compounds. The first two PCs accounted for over 60% of the data variance. The best model obtained in PLS, after validation leave-one-out, exhibited q(2) = 0.679 and r(2) = 0.714. External prediction model was R(2) = 0.623. The independent variables having a hydrophobic profile were strongly correlated to the biological data. The interaction maps generated with the GRID force field showed that the most active compounds exhibit more interaction with the DRY probe. FAU - Scotti, Luciana AU - Scotti L FAU - Scotti, Marcus Tullius AU - Scotti MT FAU - Silva, Viviane Barros AU - Silva VB FAU - Santos, Sandra Regina Lima AU - Santos SR FAU - Cavalcanti, Socrates C H AU - Cavalcanti SC FAU - Mendonca, Francisco J B Jr AU - Mendonca FJ Jr AD - State University of Paraiba, Biological Science Department, Laboratory of Synthesis and Drug Delivery, 58070-450, Joao Pessoa, PB, Brazil. luciana.scotti@gmail.com. LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - Netherlands TA - Med Chem JT - Medicinal chemistry (Shariqah (United Arab Emirates)) JID - 101240303 RN - 0 (Insecticides) SB - IM MH - *Aedes MH - Animals MH - Dose-Response Relationship, Drug MH - Insecticides/chemical synthesis/*chemistry/*pharmacology MH - Larva/drug effects MH - Least-Squares Analysis MH - Models, Molecular MH - Molecular Structure MH - *Mosquito Control MH - Principal Component Analysis MH - Structure-Activity Relationship EDAT- 2013/05/17 06:00 MHDA- 2014/12/15 06:00 CRDT- 2013/05/17 06:00 PHST- 2012/12/28 00:00 [received] PHST- 2013/05/08 00:00 [revised] PHST- 2013/05/08 00:00 [accepted] PHST- 2013/05/17 06:00 [entrez] PHST- 2013/05/17 06:00 [pubmed] PHST- 2014/12/15 06:00 [medline] AID - MC-EPUB-20130513-2 [pii] AID - 10.2174/15734064113099990005 [doi] PST - ppublish SO - Med Chem. 2014 Mar;10(2):201-10. doi: 10.2174/15734064113099990005.