Experimental behavior of Sporothrix schenckii and Leishmania mexicana in hamsters
Autor(a) principal: | |
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Data de Publicação: | 1990 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | spa |
Título da fonte: | Revista do Instituto de Medicina Tropical de São Paulo |
Texto Completo: | https://www.revistas.usp.br/rimtsp/article/view/28754 |
Resumo: | The macroscopic description of the pathogenic process of Sporothrix schenckii and Leishmania mexicana spp in hamsters inoculated subcutaneously in the nose provided bases for the differentiation of the behavior of these two microorganisms in a model frequently utilized for their study. Sequential observations over 150 days demonstrated that infections caused by these pathogens results initially in edema and erythema followed by loss of hair, necrosis and ulceration. The pus production was a characteristic presented only by S. schenckii. These clinical signs were observed earlier in sporotrichosis than in L. mexicana infection. Differences in the mean day of appearance were statistically significant. The lesions produced by S. schenckii and L. mexicana in this experimental model share clinical signs, but their incubated period and relative frequency allow us to differentiate them. The circumstances of inoculation such as strain, dose of inoculum, place and route of inoculation are related to the experimental behavior of them. |
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Experimental behavior of Sporothrix schenckii and Leishmania mexicana in hamsters Comportamiento experimental del Sporothrix schenckii y la Leishmania mexicana en el hamster Esporotricosis experimentalLeishmaniasis experimentalSporothrix schenckiiLeishmania mexicana The macroscopic description of the pathogenic process of Sporothrix schenckii and Leishmania mexicana spp in hamsters inoculated subcutaneously in the nose provided bases for the differentiation of the behavior of these two microorganisms in a model frequently utilized for their study. Sequential observations over 150 days demonstrated that infections caused by these pathogens results initially in edema and erythema followed by loss of hair, necrosis and ulceration. The pus production was a characteristic presented only by S. schenckii. These clinical signs were observed earlier in sporotrichosis than in L. mexicana infection. Differences in the mean day of appearance were statistically significant. The lesions produced by S. schenckii and L. mexicana in this experimental model share clinical signs, but their incubated period and relative frequency allow us to differentiate them. The circumstances of inoculation such as strain, dose of inoculum, place and route of inoculation are related to the experimental behavior of them. La descripción macroscópica del proceso de patogénesis en hamsters inoculados subcutáneamente en nariz con Sporothrix schenckii ó Leishmania mexicana spp. proporcionó bases para diferenciar estos dos microorganismos en un modelo animal utilizado comunmente para estudiarlos. Observaciones secuenciales durante 150 días permitieron afirmar que en las infecciones causadas por estos patógenos se presentaron edema y eritema como signos primarios, seguidos de alopecia, necrosis y ulceración. La producción de pus fué una característica distintiva para el S. schenckii. Estos signos clínicos se observaron más temprano en la esporotricosis que en la infección por L. mexicana, mostrando diferencias estadísticas significantes en días promedio de aparición. El presente trabajo muestra que las lesiones producidas tanto por el S. schenckii como la L. mexicana en este modelo experimental comparten signos clínicos, pero el tiempo de aparición de los mismos y su frecuencia relativa permiten diferenciarlas. Las condiciones de inoculación como: cepa de los microorganismos, dosis del inóculo, sitio y vía de inoculación, deben tenerse presentes en la evaluación de su comportamiento experimental. Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo1990-10-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/rimtsp/article/view/28754Revista do Instituto de Medicina Tropical de São Paulo; Vol. 32 No. 5 (1990); 319-324 Revista do Instituto de Medicina Tropical de São Paulo; Vol. 32 Núm. 5 (1990); 319-324 Revista do Instituto de Medicina Tropical de São Paulo; v. 32 n. 5 (1990); 319-324 1678-99460036-4665reponame:Revista do Instituto de Medicina Tropical de São Pauloinstname:Instituto de Medicina Tropical (IMT)instacron:IMTspahttps://www.revistas.usp.br/rimtsp/article/view/28754/30607Copyright (c) 2018 Revista do Instituto de Medicina Tropical de São Pauloinfo:eu-repo/semantics/openAccessGonzález de Polanía, Luz AngelaAlzate, AlbertoSaravia, Nancy2012-07-02T01:28:28Zoai:revistas.usp.br:article/28754Revistahttp://www.revistas.usp.br/rimtsp/indexPUBhttps://www.revistas.usp.br/rimtsp/oai||revimtsp@usp.br1678-99460036-4665opendoar:2022-12-13T16:50:30.585398Revista do Instituto de Medicina Tropical de São Paulo - Instituto de Medicina Tropical (IMT)true |
dc.title.none.fl_str_mv |
Experimental behavior of Sporothrix schenckii and Leishmania mexicana in hamsters Comportamiento experimental del Sporothrix schenckii y la Leishmania mexicana en el hamster |
title |
Experimental behavior of Sporothrix schenckii and Leishmania mexicana in hamsters |
spellingShingle |
Experimental behavior of Sporothrix schenckii and Leishmania mexicana in hamsters González de Polanía, Luz Angela Esporotricosis experimental Leishmaniasis experimental Sporothrix schenckii Leishmania mexicana |
title_short |
Experimental behavior of Sporothrix schenckii and Leishmania mexicana in hamsters |
title_full |
Experimental behavior of Sporothrix schenckii and Leishmania mexicana in hamsters |
title_fullStr |
Experimental behavior of Sporothrix schenckii and Leishmania mexicana in hamsters |
title_full_unstemmed |
Experimental behavior of Sporothrix schenckii and Leishmania mexicana in hamsters |
title_sort |
Experimental behavior of Sporothrix schenckii and Leishmania mexicana in hamsters |
author |
González de Polanía, Luz Angela |
author_facet |
González de Polanía, Luz Angela Alzate, Alberto Saravia, Nancy |
author_role |
author |
author2 |
Alzate, Alberto Saravia, Nancy |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
González de Polanía, Luz Angela Alzate, Alberto Saravia, Nancy |
dc.subject.por.fl_str_mv |
Esporotricosis experimental Leishmaniasis experimental Sporothrix schenckii Leishmania mexicana |
topic |
Esporotricosis experimental Leishmaniasis experimental Sporothrix schenckii Leishmania mexicana |
description |
The macroscopic description of the pathogenic process of Sporothrix schenckii and Leishmania mexicana spp in hamsters inoculated subcutaneously in the nose provided bases for the differentiation of the behavior of these two microorganisms in a model frequently utilized for their study. Sequential observations over 150 days demonstrated that infections caused by these pathogens results initially in edema and erythema followed by loss of hair, necrosis and ulceration. The pus production was a characteristic presented only by S. schenckii. These clinical signs were observed earlier in sporotrichosis than in L. mexicana infection. Differences in the mean day of appearance were statistically significant. The lesions produced by S. schenckii and L. mexicana in this experimental model share clinical signs, but their incubated period and relative frequency allow us to differentiate them. The circumstances of inoculation such as strain, dose of inoculum, place and route of inoculation are related to the experimental behavior of them. |
publishDate |
1990 |
dc.date.none.fl_str_mv |
1990-10-01 |
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/rimtsp/article/view/28754 |
url |
https://www.revistas.usp.br/rimtsp/article/view/28754 |
dc.language.iso.fl_str_mv |
spa |
language |
spa |
dc.relation.none.fl_str_mv |
https://www.revistas.usp.br/rimtsp/article/view/28754/30607 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2018 Revista do Instituto de Medicina Tropical de São Paulo info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2018 Revista do Instituto de Medicina Tropical de São Paulo |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo |
publisher.none.fl_str_mv |
Universidade de São Paulo. Instituto de Medicina Tropical de São Paulo |
dc.source.none.fl_str_mv |
Revista do Instituto de Medicina Tropical de São Paulo; Vol. 32 No. 5 (1990); 319-324 Revista do Instituto de Medicina Tropical de São Paulo; Vol. 32 Núm. 5 (1990); 319-324 Revista do Instituto de Medicina Tropical de São Paulo; v. 32 n. 5 (1990); 319-324 1678-9946 0036-4665 reponame:Revista do Instituto de Medicina Tropical de São Paulo instname:Instituto de Medicina Tropical (IMT) instacron:IMT |
instname_str |
Instituto de Medicina Tropical (IMT) |
instacron_str |
IMT |
institution |
IMT |
reponame_str |
Revista do Instituto de Medicina Tropical de São Paulo |
collection |
Revista do Instituto de Medicina Tropical de São Paulo |
repository.name.fl_str_mv |
Revista do Instituto de Medicina Tropical de São Paulo - Instituto de Medicina Tropical (IMT) |
repository.mail.fl_str_mv |
||revimtsp@usp.br |
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