A field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spots

Detalhes bibliográficos
Autor(a) principal: Medeiros, Jansen Fernandes
Data de Publicação: 2015
Outros Autores: Almeida, Tatiana Amaral Pires, Silva, Lucyane Bastos Tavares, Rubio, Jose Miguel, Crainey, James Lee, Pessoa, Felipe Arley Costa, Luz, Sergio Luiz Bessa
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da FIOCRUZ (ARCA)
Texto Completo: https://www.arca.fiocruz.br/handle/icict/12564
Resumo: Fundação Oswaldo Cruz. Laboratory of Entomology. Porto Velho, RO, Brazil.
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spelling Medeiros, Jansen FernandesAlmeida, Tatiana Amaral PiresSilva, Lucyane Bastos TavaresRubio, Jose MiguelCrainey, James LeePessoa, Felipe Arley CostaLuz, Sergio Luiz Bessa2016-01-19T21:16:26Z2016-01-19T21:16:26Z2015MEDEIROS, J. F.; Almeida, TAP ; Silva, LBT ; Rubio, JM ; Crainey, J. L. ; Pessoa, F.A.C. ; Luz, S.L.B. . A field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spots. Parasites & Vectors, v. 8, p. 280, 2015.https://www.arca.fiocruz.br/handle/icict/12564DOI 10.1186/s13071-015-0889-zengParasites & VectorsA field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spotsinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleFundação Oswaldo Cruz. Laboratory of Entomology. Porto Velho, RO, Brazil.Fundação Oswaldo Cruz. Leônidas & Maria Deane Institute. Research Programme on Infectious Disease Ecology in the Amazon. Manaus, AM, Brazil.Fundação Oswaldo Cruz. Leônidas & Maria Deane Institute. Research Programme on Infectious Disease Ecology in the Amazon. Manaus, AM, Brazil. / Federal University of Amazonas. Health and Endemic Diseases in the Amazon, Multi Institutional Graduate Program. Manaus, AM, Brazil.Carlos III Health Institute. National Centre of Microbiology. Parasitology Department. Malaria & Emerging Parasitic Diseases Laboratory. Madrid, Spain.Fundação Oswaldo Cruz. Leônidas & Maria Deane Institute. Research Programme on Infectious Disease Ecology in the Amazon. Manaus, AM, Brazil.Fundação Oswaldo Cruz. Leônidas & Maria Deane Institute. Research Programme on Infectious Disease Ecology in the Amazon. Manaus, AM, Brazil.Fundação Oswaldo Cruz. Leônidas & Maria Deane Institute. Research Programme on Infectious Disease Ecology in the Amazon. Manaus, AM, Brazil.Background: Mansonella ozzardi is a poorly understood human filarial parasite with a broad distribution throughout Latin America. Most of what is known about its parasitism has come from epidemiological studies that have estimated parasite incidence using light microscopy. Light microscopy can, however, miss lighter, submicroscopic, infections. In this study we have compared M. ozzardi incidence estimates made using light microscopy, with estimates made using PCR. Methods: 214 DNA extracts made from Large Volume Venous Blood Samples (LVVBS) were taken from volunteers from two study sites in the Rio Solimões region: Codajás [n = 109] and Tefé [n = 105] and were subsequently assayed for M. ozzardi parasitism using a diagnostic PCR (Mo-dPCR). Peripheral finger-prick blood samples were taken from the same individuals and used for microscopic examination. Finger-prick blood, taken from individuals from Tefé, was also used for the creation of FTA®card dried blood spots (DBS) that were subsequently subjected to Mo-dPCR. Results: Overall M. ozzardi incidence estimates made with LVVBS PCRs were 1.8 times higher than those made using microscopy (44.9 % [96/214] compared with 24.3 % [52/214]) and 1.5 times higher than the PCR estimates made from FTA®card DBS (48/105 versus 31/105). PCR-based detection of FTA®card DBS proved 1.3 times more sensitive at diagnosing infections from peripheral blood samples than light microscopy did: detecting 24/105 compared with 31/105. PCR of LVVBS reported the fewest number of false negatives, detecting: 44 of 52 (84.6 %) individuals diagnosed by microscopy; 27 of 31 (87.1 %) of those diagnosed positive from DBSs and 17 out of 18 (94.4 %) of those diagnosed as positive by both alternative methodologies. Conclusions: In this study, Mo-dPCR of LVVBS was by far the most sensitive method of detecting M. ozzardi infections and detected submicroscopic infections. Mo-dPCR FTA®card DBS also provided a more sensitive test for M. ozzardi diagnosis than light microscopy based diagnosis did and thus in settings where only finger-prick assays can be carried-out, it may be a more reliable method of detection. Most existing M. ozzardi incidence estimates, which are often based on light microscope diagnosis, are likely to dramatically underestimate true M. ozzardi parasitism incidence levels.MansonelliasisMansonella ozzardiPCR-detectionSubmicroscopicFTA®cardsinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-82991https://www.arca.fiocruz.br/bitstream/icict/12564/1/license.txt5a560609d32a3863062d77ff32785d58MD51ORIGINALA field trial of a PCR-based Mansonella.pdfA field trial of a PCR-based Mansonella.pdfapplication/pdf474833https://www.arca.fiocruz.br/bitstream/icict/12564/2/A%20field%20trial%20of%20a%20PCR-based%20Mansonella.pdfb419bfbfa56fa9d8ef173290f26d4482MD52TEXTA field trial of a PCR-based Mansonella.pdf.txtA field trial of a PCR-based Mansonella.pdf.txtExtracted 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dc.title.pt_BR.fl_str_mv A field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spots
title A field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spots
spellingShingle A field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spots
Medeiros, Jansen Fernandes
Mansonelliasis
Mansonella ozzardi
PCR-detection
Submicroscopic
FTA®cards
title_short A field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spots
title_full A field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spots
title_fullStr A field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spots
title_full_unstemmed A field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spots
title_sort A field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spots
author Medeiros, Jansen Fernandes
author_facet Medeiros, Jansen Fernandes
Almeida, Tatiana Amaral Pires
Silva, Lucyane Bastos Tavares
Rubio, Jose Miguel
Crainey, James Lee
Pessoa, Felipe Arley Costa
Luz, Sergio Luiz Bessa
author_role author
author2 Almeida, Tatiana Amaral Pires
Silva, Lucyane Bastos Tavares
Rubio, Jose Miguel
Crainey, James Lee
Pessoa, Felipe Arley Costa
Luz, Sergio Luiz Bessa
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Medeiros, Jansen Fernandes
Almeida, Tatiana Amaral Pires
Silva, Lucyane Bastos Tavares
Rubio, Jose Miguel
Crainey, James Lee
Pessoa, Felipe Arley Costa
Luz, Sergio Luiz Bessa
dc.subject.en.pt_BR.fl_str_mv Mansonelliasis
Mansonella ozzardi
PCR-detection
Submicroscopic
FTA®cards
topic Mansonelliasis
Mansonella ozzardi
PCR-detection
Submicroscopic
FTA®cards
description Fundação Oswaldo Cruz. Laboratory of Entomology. Porto Velho, RO, Brazil.
publishDate 2015
dc.date.issued.fl_str_mv 2015
dc.date.accessioned.fl_str_mv 2016-01-19T21:16:26Z
dc.date.available.fl_str_mv 2016-01-19T21:16:26Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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status_str publishedVersion
dc.identifier.citation.fl_str_mv MEDEIROS, J. F.; Almeida, TAP ; Silva, LBT ; Rubio, JM ; Crainey, J. L. ; Pessoa, F.A.C. ; Luz, S.L.B. . A field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spots. Parasites & Vectors, v. 8, p. 280, 2015.
dc.identifier.uri.fl_str_mv https://www.arca.fiocruz.br/handle/icict/12564
dc.identifier.doi.none.fl_str_mv DOI 10.1186/s13071-015-0889-z
identifier_str_mv MEDEIROS, J. F.; Almeida, TAP ; Silva, LBT ; Rubio, JM ; Crainey, J. L. ; Pessoa, F.A.C. ; Luz, S.L.B. . A field trial of a PCR-based Mansonella ozzardi diagnosis assay detects high-levels of submicroscopic M. ozzardi infections in both venous blood samples and FTA® card dried blood spots. Parasites & Vectors, v. 8, p. 280, 2015.
DOI 10.1186/s13071-015-0889-z
url https://www.arca.fiocruz.br/handle/icict/12564
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.publisher.none.fl_str_mv Parasites & Vectors
publisher.none.fl_str_mv Parasites & Vectors
dc.source.none.fl_str_mv reponame:Repositório Institucional da FIOCRUZ (ARCA)
instname:Fundação Oswaldo Cruz (FIOCRUZ)
instacron:FIOCRUZ
instname_str Fundação Oswaldo Cruz (FIOCRUZ)
instacron_str FIOCRUZ
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