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dc.contributor.authorPrestes, Suzane Ribeiropt_BR
dc.contributor.authorGuerra, Jorge Augusto de Oliveirapt_BR
dc.contributor.authorRomero, Gustavo Adolfo Sierrapt_BR
dc.contributor.authorMagalhães, Laylah Kelre Costapt_BR
dc.contributor.authorSantana, Rosa Amelia Gonçalvespt_BR
dc.contributor.authorMaciel, Marcel Gonçalvespt_BR
dc.contributor.authorCustódio, Anapt_BR
dc.contributor.authorBarbosa, Maria das Graças Valept_BR
dc.contributor.authorSilveira, Henriquept_BR
dc.date.accessioned2017-12-07T05:11:35Z-
dc.date.available2017-12-07T05:11:35Z-
dc.date.issued2015-09pt_BR
dc.identifier.citationPRESTES, Suzane Ribeiro et al. Polymerase chain reaction-based method for the identification of Leishmania (Viannia) braziliensis and Leishmania (Viannia) guyanensis in mucosal tissues conserved in paraffin. Revista da Sociedade Brasileira de Medicina Tropical, Uberaba, v. 48, n. 5, p. 555-559, set./out. 2015. Disponível em: <http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822015000500555&lng=en&nrm=iso>. Acesso em: 10 maio 2018. doi: http://dx.doi.org/10.1590/0037-8682-0132-2015.pt_BR
dc.identifier.urihttp://repositorio.unb.br/handle/10482/29528-
dc.language.isoenpt_BR
dc.publisherSociedade Brasileira de Medicina Tropical - SBMTpt_BR
dc.rightsAcesso Abertopt_BR
dc.titlePolymerase chain reaction-based method for the identification of Leishmania (Viannia) braziliensis and Leishmania (Viannia) guyanensis in mucosal tissues conserved in paraffinpt_BR
dc.typeArtigopt_BR
dc.subject.keywordLeishmaniosept_BR
dc.subject.keywordDiagnóstico molecularpt_BR
dc.rights.licenseRevista da Sociedade Brasileira de Medicina Tropical - This is an Open Access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0). Fonte: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86822015000500555&lng=en&nrm=iso. Acesso em: 10 maio 2018.-
dc.identifier.doihttp://dx.doi.org/10.1590/0037-8682-0132-2015pt_BR
dc.description.abstract1Introduction: in the Americas, mucosal leishmaniasis is primarily associated with infection by Leishmania (Viannia) braziliensis. However, Leishmania (Viannia) guyanensis is another important cause of this disease in the Brazilian Amazon. In this study, we aimed at detecting Leishmaniadeoxyribonucleic acid (DNA) within paraffin-embedded fragments of mucosal tissues, and characterizing the infecting parasite species. Methods: we evaluated samples collected from 114 patients treated at a reference center in the Brazilian Amazon by polymerase chain reaction (PCR) and restriction fragment length polymorphism (RFLP) analyses. Results: direct examination of biopsy imprints detected parasites in 10 of the 114 samples, while evaluation of hematoxylin and eosin-stained slides detected amastigotes in an additional 17 samples. Meanwhile, 31/114 samples (27.2%) were positive for Leishmania spp. kinetoplast deoxyribonucleic acid (kDNA) by PCR analysis. Of these, 17 (54.8%) yielded amplification of the mini-exon PCR target, thereby allowing for PCR-RFLP-based identification. Six of the samples were identified as L. (V.) braziliensis, while the remaining 11 were identified as L. (V.) guyanensis. Conclusions: the results of this study demonstrate the feasibility of applying molecular techniques for the diagnosis of human parasites within paraffin-embedded tissues. Moreover, our findings confirm that L. (V.) guyanensisis a relevant causative agent of mucosal leishmaniasis in the Brazilian Amazon.-
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