Cross reaction evaluation of Leishmania spp and Trypanosoma cruzi antigens in dogs' serologic response by indirect immunofluorescence test (IIF)
Autor(a) principal: | |
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Data de Publicação: | 2009 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Brazilian Journal of Veterinary Research and Animal Science |
Texto Completo: | https://www.revistas.usp.br/bjvras/article/view/26765 |
Resumo: | Visceral Leishmaniasis (VL) is a zoonosis caused by Leishmania spp. protozoa. Dog is the main parasite's reservoir, especially in urban areas. Indirect Immunofluorescent Antibody Test (IFAT) is commonly used for canine visceral leishmaniasis (CVL) diagnosis, by detection of antibodies against the parasite. However, Trypanosoma cruzi (T.cruzi) cross reactions can occur in serological diagnosis. In order to evaluate the occurrence of cross reactions between antigens of Leishmania spp. and T.cruzi, 150 blood samples of CVL epidemiological inquiry positive dogs were collected and sera were tested by IFAT. Dogs were culled at Zoonosis Control Center of Bauru (SP), an endemic area for VL. Another 150 dogs' blood samples were collected in Botucatu (SP), a non endemic area for LV, and sera were also tested by IFAT. Serum samples of dogs from Bauru were positive, both for Leishmania spp. and for T. cruzi, showing high cross-reactions incidence, reinforcing the need of diagnosis confirmation by other tests. Serum samples of dogs from Botucatu demonstrated low prevalence of positive results by IFAT, both for Leishmania spp. and T.cruzi. However,despite the low number of positive serological results for these parasites, the epidemiological and serological investigation for LV and Chagas disease in dogs from Botucatu must be kept, considering the importance of dog as domestic reservoir for both parasites. |
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Brazilian Journal of Veterinary Research and Animal Science |
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Cross reaction evaluation of Leishmania spp and Trypanosoma cruzi antigens in dogs' serologic response by indirect immunofluorescence test (IIF)Avaliação da reatividade cruzada entre antígenos de Leishmania spp e Trypanosoma cruzi na resposta sorológica de cães pela técnica de imunofluorescência indireta (RIFI)Leishmaniose visceral caninaDoença de ChagasReação cruzadaSorologiaInquérito epidemiológicoCanine visceral leishmaniasisChagas' diseaseCross reactionSerologyEpidemiological inquiryVisceral Leishmaniasis (VL) is a zoonosis caused by Leishmania spp. protozoa. Dog is the main parasite's reservoir, especially in urban areas. Indirect Immunofluorescent Antibody Test (IFAT) is commonly used for canine visceral leishmaniasis (CVL) diagnosis, by detection of antibodies against the parasite. However, Trypanosoma cruzi (T.cruzi) cross reactions can occur in serological diagnosis. In order to evaluate the occurrence of cross reactions between antigens of Leishmania spp. and T.cruzi, 150 blood samples of CVL epidemiological inquiry positive dogs were collected and sera were tested by IFAT. Dogs were culled at Zoonosis Control Center of Bauru (SP), an endemic area for VL. Another 150 dogs' blood samples were collected in Botucatu (SP), a non endemic area for LV, and sera were also tested by IFAT. Serum samples of dogs from Bauru were positive, both for Leishmania spp. and for T. cruzi, showing high cross-reactions incidence, reinforcing the need of diagnosis confirmation by other tests. Serum samples of dogs from Botucatu demonstrated low prevalence of positive results by IFAT, both for Leishmania spp. and T.cruzi. However,despite the low number of positive serological results for these parasites, the epidemiological and serological investigation for LV and Chagas disease in dogs from Botucatu must be kept, considering the importance of dog as domestic reservoir for both parasites.A leishmaniose visceral (LV) é uma zoonose causada por protozoários do gênero Leishmania. O cão é o principal reservatório do parasito, especialmente em áreas urbanas. A Reação de Imunofluorescência Indireta (RIFI) é comumente empregada para o diagnóstico da leishmaniose visceral canina (LVC), baseada na detecção de anticorpos contra o parasito. Entretanto, reações cruzadas com Trypanosoma cruzi podem ocorrer à sorologia. Com o objetivo de avaliar as reações cruzadas entre os antígenos de Leishmania spp. e de T.cruzi, foram colhidas 150 amostras de sangue de cães positivos para LVC em inquérito epidemiológico e os soros foram testados pela RIFI. Os cães foram submetidos à eutanásia no Centro de Controle de Zoonoses de Bauru (SP), área endêmica para LV. Outras 150 amostras de sangue de cães foram colhidas em Botucatu (SP), área não endêmica para LV, e os soros foram também testados pela RIFI. Os soros de cães procedentes de Bauru resultaram positivos, tanto para Leishmania spp. quanto para T.cruzi, demonstrando uma grande incidência de reações cruzadas, reforçando a necessidade da confirmação diagnóstica por outras técnicas. As amostras de soros de cães procedentes de Botucatu (SP), pela técnica de RIFI, demonstraram baixa prevalência de resultados positivos para Leishmania spp. e para T.cruzi. Entretanto, apesar do reduzido número de resultados positivos à sorologia para ambos parasitos, a investigação sorológica e epidemiológica para LV e doença de Chagas em cães de Botucatu deve ser mantida, considerando a importância do cão como reservatório doméstico no contexto destas zoonoses.Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia2009-06-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/bjvras/article/view/2676510.11606/issn.1678-4456.bjvras.2009.26765Brazilian Journal of Veterinary Research and Animal Science; Vol. 46 Núm. 3 (2009); 181-187Brazilian Journal of Veterinary Research and Animal Science; Vol. 46 No. 3 (2009); 181-187Brazilian Journal of Veterinary Research and Animal Science; v. 46 n. 3 (2009); 181-187Brazilian Journal of Veterinary Research and Animal Science; V. 46 N. 3 (2009); 181-1871678-44561413-9596reponame:Brazilian Journal of Veterinary Research and Animal Scienceinstname:Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP)instacron:USPporhttps://www.revistas.usp.br/bjvras/article/view/26765/28548Luciano, Raquel MartinsLucheis, Simone BaldiniTroncarelli, Marcella ZampoliLuciano, Daniela MartinsLangoni, Hélioinfo:eu-repo/semantics/openAccess2020-06-23T04:11:52Zoai:revistas.usp.br:article/26765Revistahttps://www.revistas.usp.br/bjvrasPUBhttps://www.revistas.usp.br/bjvras/oaibjvras@usp.br1413-95961413-9596opendoar:https://www.revistas.usp.br/bjvras/index2023-01-12T16:43:02.610162Brazilian Journal of Veterinary Research and Animal Science - Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP)false |
dc.title.none.fl_str_mv |
Cross reaction evaluation of Leishmania spp and Trypanosoma cruzi antigens in dogs' serologic response by indirect immunofluorescence test (IIF) Avaliação da reatividade cruzada entre antígenos de Leishmania spp e Trypanosoma cruzi na resposta sorológica de cães pela técnica de imunofluorescência indireta (RIFI) |
title |
Cross reaction evaluation of Leishmania spp and Trypanosoma cruzi antigens in dogs' serologic response by indirect immunofluorescence test (IIF) |
spellingShingle |
Cross reaction evaluation of Leishmania spp and Trypanosoma cruzi antigens in dogs' serologic response by indirect immunofluorescence test (IIF) Luciano, Raquel Martins Leishmaniose visceral canina Doença de Chagas Reação cruzada Sorologia Inquérito epidemiológico Canine visceral leishmaniasis Chagas' disease Cross reaction Serology Epidemiological inquiry |
title_short |
Cross reaction evaluation of Leishmania spp and Trypanosoma cruzi antigens in dogs' serologic response by indirect immunofluorescence test (IIF) |
title_full |
Cross reaction evaluation of Leishmania spp and Trypanosoma cruzi antigens in dogs' serologic response by indirect immunofluorescence test (IIF) |
title_fullStr |
Cross reaction evaluation of Leishmania spp and Trypanosoma cruzi antigens in dogs' serologic response by indirect immunofluorescence test (IIF) |
title_full_unstemmed |
Cross reaction evaluation of Leishmania spp and Trypanosoma cruzi antigens in dogs' serologic response by indirect immunofluorescence test (IIF) |
title_sort |
Cross reaction evaluation of Leishmania spp and Trypanosoma cruzi antigens in dogs' serologic response by indirect immunofluorescence test (IIF) |
author |
Luciano, Raquel Martins |
author_facet |
Luciano, Raquel Martins Lucheis, Simone Baldini Troncarelli, Marcella Zampoli Luciano, Daniela Martins Langoni, Hélio |
author_role |
author |
author2 |
Lucheis, Simone Baldini Troncarelli, Marcella Zampoli Luciano, Daniela Martins Langoni, Hélio |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Luciano, Raquel Martins Lucheis, Simone Baldini Troncarelli, Marcella Zampoli Luciano, Daniela Martins Langoni, Hélio |
dc.subject.por.fl_str_mv |
Leishmaniose visceral canina Doença de Chagas Reação cruzada Sorologia Inquérito epidemiológico Canine visceral leishmaniasis Chagas' disease Cross reaction Serology Epidemiological inquiry |
topic |
Leishmaniose visceral canina Doença de Chagas Reação cruzada Sorologia Inquérito epidemiológico Canine visceral leishmaniasis Chagas' disease Cross reaction Serology Epidemiological inquiry |
description |
Visceral Leishmaniasis (VL) is a zoonosis caused by Leishmania spp. protozoa. Dog is the main parasite's reservoir, especially in urban areas. Indirect Immunofluorescent Antibody Test (IFAT) is commonly used for canine visceral leishmaniasis (CVL) diagnosis, by detection of antibodies against the parasite. However, Trypanosoma cruzi (T.cruzi) cross reactions can occur in serological diagnosis. In order to evaluate the occurrence of cross reactions between antigens of Leishmania spp. and T.cruzi, 150 blood samples of CVL epidemiological inquiry positive dogs were collected and sera were tested by IFAT. Dogs were culled at Zoonosis Control Center of Bauru (SP), an endemic area for VL. Another 150 dogs' blood samples were collected in Botucatu (SP), a non endemic area for LV, and sera were also tested by IFAT. Serum samples of dogs from Bauru were positive, both for Leishmania spp. and for T. cruzi, showing high cross-reactions incidence, reinforcing the need of diagnosis confirmation by other tests. Serum samples of dogs from Botucatu demonstrated low prevalence of positive results by IFAT, both for Leishmania spp. and T.cruzi. However,despite the low number of positive serological results for these parasites, the epidemiological and serological investigation for LV and Chagas disease in dogs from Botucatu must be kept, considering the importance of dog as domestic reservoir for both parasites. |
publishDate |
2009 |
dc.date.none.fl_str_mv |
2009-06-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://www.revistas.usp.br/bjvras/article/view/26765 10.11606/issn.1678-4456.bjvras.2009.26765 |
url |
https://www.revistas.usp.br/bjvras/article/view/26765 |
identifier_str_mv |
10.11606/issn.1678-4456.bjvras.2009.26765 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://www.revistas.usp.br/bjvras/article/view/26765/28548 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia |
publisher.none.fl_str_mv |
Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia |
dc.source.none.fl_str_mv |
Brazilian Journal of Veterinary Research and Animal Science; Vol. 46 Núm. 3 (2009); 181-187 Brazilian Journal of Veterinary Research and Animal Science; Vol. 46 No. 3 (2009); 181-187 Brazilian Journal of Veterinary Research and Animal Science; v. 46 n. 3 (2009); 181-187 Brazilian Journal of Veterinary Research and Animal Science; V. 46 N. 3 (2009); 181-187 1678-4456 1413-9596 reponame:Brazilian Journal of Veterinary Research and Animal Science instname:Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP) instacron:USP |
instname_str |
Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP) |
instacron_str |
USP |
institution |
USP |
reponame_str |
Brazilian Journal of Veterinary Research and Animal Science |
collection |
Brazilian Journal of Veterinary Research and Animal Science |
repository.name.fl_str_mv |
Brazilian Journal of Veterinary Research and Animal Science - Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP) |
repository.mail.fl_str_mv |
bjvras@usp.br |
_version_ |
1797051559331233792 |