caracterização de genótipos de plasmodium vivax na ilha de são luís, estado do maranhão characterization of plasmodium vivax genotypes on the island of são luís, state of maranhão

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ID: 186181
2009
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Abstract
O estudo foi desenvolvido com o objetivo de caracterizar os genótipos da proteína circunsporozoíta de Plasmodium vivax, circulantes em área periférica da Ilha de São Luís, Maranhão. Foram obtidas amostras de sangue para exame parasitológico direto (gota espessa) de 126 indivíduos, dentre os quais, foram coletadas também 109 amostras para diagnóstico molecular, por reação em cadeia da polimerase. O exame parasitológico demonstrou a presença de Plasmodium vivax em 2 indivíduos, sintomáticos, enquanto o estudo molecular foi positivo para o Plasmodium vivax em 7 indivíduos (2 sintomáticos e positivos na gota espessa e 5 assintomáticos e negativos na gota espessa). Em dois havia associação com Plasmodium falciparum. A genotipagem das amostras de Plasmodium vivax revelou a variante VK 210, havendo associação com a variante VK 247 em duas delas.
This study was developed with the aim of characterizing Plasmodium vivax circumsporozoite protein genotypes on the Island of São Luís, Maranhão. Blood samples were taken for direct parasitological examination (thick blood film) from 126 individuals. Among these individuals, 109 samples were also taken for molecular diagnosis by means of the polymerase chain reaction. The parasitological examination showed the presence of Plasmodium vivax in two symptomatic individuals, while the molecular study was positive for Plasmodium vivax in seven individuals (two symptomatic and positive from the thick blood film and five asymptomatic and negative from the thick blood film). Two samples showed an association with Plasmodium falciparum. Genotyping of the Plasmodium vivax samples showed that the VK 210 variant was present. This was associated with the VK 247 variant in two samples.
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Authors ;Eloísa da Graça do Rosario Gonçalves;Ricardo Luiz Dantas Machado;Ana Rosa dos Santos;Camila Cristina Bastos Silva Raposo;Wilma Batista de Matos;Antonio Rafael da Silva
Journal mobile information systems
Year 2009
DOI
10.1590/S0037-86822009000300014
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822009000300014
Keywords
genotypes plasmodium vivax tropical medicine

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