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The 3D pharmacophore modeling to explore new antischistosomal agents among US FDA approved drugs

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Author(s):
Dobrachinski, Leandro ; Ferreira, Leonardo L. G. ; Cirino, Maria E. ; Andrade-de-Siqueira, Allan, I ; Mafud, Ana C. ; Mascarenhas, Yvonne P. ; Andricopulo, Adriano D. ; de Moraes, Josue
Total Authors: 8
Document type: Journal article
Source: Future Medicinal Chemistry; v. 16, n. 17, p. 9-pg., 2024-07-25.
Abstract

Aim: To identify potential antischistosomal agents through 3D pharmacophore-based virtual screening of US FDA approved drugs. Materials & methods: A comprehensive virtual screening was conducted on a dataset of 10,000 FDA approved drugs, employing praziquantel as a template. Promising candidates were selected and assessed for their impact on Schistosoma mansoni viability in vitro and in vivo using S. mansoni infected mice. Results & conclusion: Among the selected drugs, betamethasone and doxazosin demonstrated in vitro efficacy, with effective concentration 50% (EC50) values ranging from 35 to 60 mu M. In vivo studies revealed significant (>50%) reductions in worm burden for both drugs. These findings suggest that betamethasone and doxazosin hold promise for repurposing in treating schistosomiasis. Additionally, the study showcases a useful approach for identifying new antischistosomal drugs. (AU)

FAPESP's process: 16/18023-5 - Preclinical studies with epiisopiloturine and epiisopilosine and their effect against other helminths
Grantee:Ana Carolina Mafud
Support Opportunities: Scholarships abroad - Research Internship - Post-doctor
FAPESP's process: 14/02282-6 - Structure-activity relationship studies about of Pilocarpus microphyllus (Rutaceae) alkaloid derivatives against Schistosoma mansoni
Grantee:Ana Carolina Mafud
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 13/25658-9 - Design and Development of Drug Candidates for Chagas Disease
Grantee:Leonardo Luiz Gomes Ferreira
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 13/07600-3 - CIBFar - Center for Innovation in Biodiversity and Drug Discovery
Grantee:Glaucius Oliva
Support Opportunities: Research Grants - Research, Innovation and Dissemination Centers - RIDC
FAPESP's process: 16/22488-3 - Drug repositioning for neglected diseases: identification of novel anthelmintic agents
Grantee:Josué de Moraes
Support Opportunities: Regular Research Grants