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1.
Mem. Inst. Oswaldo Cruz ; 114: e180465, 2019. tab, graf
Article in English | LILACS | ID: biblio-984757

ABSTRACT

BACKGROUND Owing to increased spending on pharmaceuticals since 2010, discussions about rising costs for the development of new medical technologies have been focused on the pharmaceutical industry. Computational techniques have been developed to reduce costs associated with new drug development. Among these techniques, virtual high-throughput screening (vHTS) can contribute to the drug discovery process by providing tools to search for new drugs with the ability to bind a specific molecular target. OBJECTIVES In this context, Brazilian malaria molecular targets (BraMMT) was generated to execute vHTS experiments on selected molecular targets of Plasmodium falciparum. METHODS In this study, 35 molecular targets of P. falciparum were built and evaluated against known antimalarial compounds. FINDINGS As a result, it could predict the correct molecular target of market drugs, such as artemisinin. In addition, our findings suggested a new pharmacological mechanism for quinine, which includes inhibition of falcipain-II and a potential new antimalarial candidate, clioquinol. MAIN CONCLUSIONS The BraMMT is available to perform vHTS experiments using OCTOPUS or Raccoon software to improve the search for new antimalarial compounds. It can be retrieved from www.drugdiscovery.com.br or download of Supplementary data.


Subject(s)
Humans , Computational Biology/organization & administration , Molecular Docking Simulation , Drug Design
2.
An. acad. bras. ciênc ; 78(2): 241-253, June 2006. ilus, tab
Article in English | LILACS | ID: lil-427102

ABSTRACT

Esse artigo descreve realizações do Programa SMolBNet (Rede de Biologia Molecular Estrutural) do Estado de São Paulo, apoiado pela FAPESP (Fundação de Apoio à Pesquisa do Estado de São Paulo). Ele reúne vinte grupos de pesquisa e é coordenado pelos pesquisadores do Laboratório Nacional de Luz Síncrotron (LNLS), em Campinas. O Programa SMolBNet tem como metas: Elucidar a estrutura tridimensional de proteínas de interesse aos grupos de pesquisa componentes do Programa; Prover os grupos com treinamento em todas as etapas de determinação de estrutura: clonagem gênica, expressão de proteínas, purificação de proteínas, cristalização de proteínas e elucidação de suas estruturas. Tendo começado em 2001, o Programa alcançou sucesso em ambas as metas. Neste artigo, quatro dos grupos descrevem suas participações, e discutem aspectos estruturais das proteínas que eles selecionaram para estudos.


Subject(s)
Humans , Computational Biology , Genome/genetics , Molecular Biology , Proteins , Brazil , Crystallography, X-Ray , Computational Biology/organization & administration , Government Agencies/organization & administration , Host-Parasite Interactions , Molecular Biology/instrumentation , Molecular Biology/organization & administration , Nuclear Magnetic Resonance, Biomolecular , Peroxidases/chemistry , Peroxidases/metabolism , Proteins/chemistry , Proteins/genetics , Research , Structure-Activity Relationship
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