Transmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UFRPE |
Texto Completo: | http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5862 |
Resumo: | The objective of this study was to verify the venereal transmission of Toxoplasma gondii in mice experimentally infected with oocysts of the ME49 strain. The first experiment studied the presence and distribution of T. gondii in the reproduction organs of experimentally infected male mice, in the acute infection phase. Five experimental groups were formed (MG1, MG2, MG3, MG4 and CG-control), inoculated with 50, 100, 500 and 1000 oocysts, respectively. The proof of infection was carried out by an antibodies study and the presence of parasitic DNA in the blood, urine and reproductive tissues. Reproductive tissues were histologically evaluated for the study of suggestive lesions from the infection. Suggestive forms of T. gondii were observed in the urine at the 7th and 15th post-infection days. In the serology only one animal from the MG2 and all from MG3 and MG4 presented antibodies IgM and IgG. In the PCR-Nested, 80% of animals from MG1 and MG2 were positive in the DNA blood study and no animals from MG3 and MG4 were positive. None of the animals from the control group were positive in serology and molecular techniques. Of the males from the infected groups, 30% presented parasitic DNA in the prostate, 40% in the testicle and epididymis and 60% in the seminal vesicle. In the histopathology, testicular degeneration, focal mononuclear infiltration and more accentuated olygospermia were observed in the animals from MG3 and MG4, but not in the CG. The second experiment was carried out with the objective of studying the venereal transmission of T. gondii and the reproductive disturbances in female mice divided in four groups and mated with experimentally infected males between the 2nd and 14th post-infection days. The infection was proven by using the serology and molecular techniques. Histopathology was carried out in reproductive tissues of males (prostate, seminal vesicle, testicles and epididymis) and females (uterus and ovaries). One hundred percent of males presented parasitic DNA in tissues of the reproductive organ or in the blood. However, only one male inoculated with 100 oocysts and 10 inoculated with 500 and 1000 oocysts soroconverted, respectively. Reproductive problems were also observed in mated females, however, they did not present antibodies anti-T. gondii and 75% of them (23/40) were positive in the PCR-Nested. The results obtained in this study conclude that the venereal transmission of the parasite occurs in mice experimentally infected with the ME49 strain in the doses used. |
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MOTA, Rinaldo AparecidoPORTO, Ana Lúcia FigueiredoOLIVEIRA, Érica Paes Barreto Xavier de MoraesFAUSTINO, Maria Aparecida da GlóriaMAIA, Rita de Cassia Carvalhohttp://lattes.cnpq.br/2550552054833584SÁ, Sílvio Gomes de2016-11-07T11:40:52Z2011-02-23SÁ, Sílvio Gomes de. Transmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49. 2011. 84 f. Dissertação (Programa de Pós-Graduação em Ciência Veterinária) - Universidade Federal Rural de Pernambuco, Recife.http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5862The objective of this study was to verify the venereal transmission of Toxoplasma gondii in mice experimentally infected with oocysts of the ME49 strain. The first experiment studied the presence and distribution of T. gondii in the reproduction organs of experimentally infected male mice, in the acute infection phase. Five experimental groups were formed (MG1, MG2, MG3, MG4 and CG-control), inoculated with 50, 100, 500 and 1000 oocysts, respectively. The proof of infection was carried out by an antibodies study and the presence of parasitic DNA in the blood, urine and reproductive tissues. Reproductive tissues were histologically evaluated for the study of suggestive lesions from the infection. Suggestive forms of T. gondii were observed in the urine at the 7th and 15th post-infection days. In the serology only one animal from the MG2 and all from MG3 and MG4 presented antibodies IgM and IgG. In the PCR-Nested, 80% of animals from MG1 and MG2 were positive in the DNA blood study and no animals from MG3 and MG4 were positive. None of the animals from the control group were positive in serology and molecular techniques. Of the males from the infected groups, 30% presented parasitic DNA in the prostate, 40% in the testicle and epididymis and 60% in the seminal vesicle. In the histopathology, testicular degeneration, focal mononuclear infiltration and more accentuated olygospermia were observed in the animals from MG3 and MG4, but not in the CG. The second experiment was carried out with the objective of studying the venereal transmission of T. gondii and the reproductive disturbances in female mice divided in four groups and mated with experimentally infected males between the 2nd and 14th post-infection days. The infection was proven by using the serology and molecular techniques. Histopathology was carried out in reproductive tissues of males (prostate, seminal vesicle, testicles and epididymis) and females (uterus and ovaries). One hundred percent of males presented parasitic DNA in tissues of the reproductive organ or in the blood. However, only one male inoculated with 100 oocysts and 10 inoculated with 500 and 1000 oocysts soroconverted, respectively. Reproductive problems were also observed in mated females, however, they did not present antibodies anti-T. gondii and 75% of them (23/40) were positive in the PCR-Nested. The results obtained in this study conclude that the venereal transmission of the parasite occurs in mice experimentally infected with the ME49 strain in the doses used.Objetivou-se com este trabalho estudar a transmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49. No primeiro experimento estudou-se a presença e distribuição de T. gondii no aparelho reprodutor de camundongos machos experimentalmente infectados na fase aguda da infecção. Foram formados cinco grupos experimentais (GM1, GM2, GM3, GM4 e GC - controle), inoculados com 50, 100, 500 e 1000 oocistos, respectivamente. A comprovação da infecção foi feita por meio da pesquisa de anticorpos e presença de DNA parasitário em sangue, urina e tecidos reprodutivos. Tecidos reprodutivos foram histologicamente avaliados para a pesquisa de lesões sugestivas da infecção. Formas sugestivas de T. gondii foram observadas na urina aos 7° e 15° dias pós-infecção. Na sorologia apenas um animal do GM2 e todos do GM3 e GM4 apresentaram anticorpos IgM e IgG. Na PCR-Nested, 80% dos animais do GM1 e GM2 foram positivos para pesquisa de DNA no sangue e nenhum animal do GM3 e GM4 foi positivo. Nenhum animal do grupo controle foi positivo na sorologia e técnicas moleculares. Dos machos dos grupos infectados, 30% apresentaram DNA parasitário na próstata, 40% no testículo e epidídimo e 60% na vesícula seminal. Na histopatologia observou-se degeneração testicular, infiltrado mononuclear focal e oligospermia mais acentuada nos animais do GM3 e GM4 e não observadas no GC. O segundo experimento foi realizado com o objetivo principal de estudar a transmissão venérea de T. gondii e os distúrbios reprodutivos em camundongas divididas em quatro grupos e acasaladas com machos experimentalmente infectados entre o 2° e 14° dias pósinfecção. A infecção foi comprovada por meio da sorologia e técnicas moleculares. Histopatologia foi realizada em tecidos reprodutivos de machos (próstata, vesícula seminal, testículos e epidídimos) e fêmeas (útero e ovários). Cem por cento dos machos apresentaram DNA parasitário em tecidos do aparelho reprodutor ou no sangue, mas apenas um macho inoculado com 100 oocistos e dez inoculados com 500 e 1000 oocistos soro converteram, respectivamente. Transtornos reprodutivos também foram observados nas fêmeas acasaladas, contudo essas não apresentaram anticorpos anti-T. gondii e 75% delas (23/40) foram positivas na PCR-Nested. Os resultados obtidos nesse estudo permitem concluir que a transmissão venérea do parasita ocorre em camundongos experimentalmente infectados com a cepa ME49 nas doses utilizadas.Submitted by (edna.saturno@ufrpe.br) on 2016-11-07T11:40:52Z No. of bitstreams: 1 Silvio Gomes de Sa.pdf: 2886055 bytes, checksum: 0aa7c0772b26e8fa8700c92d6f0cece5 (MD5)Made available in DSpace on 2016-11-07T11:40:52Z (GMT). No. of bitstreams: 1 Silvio Gomes de Sa.pdf: 2886055 bytes, checksum: 0aa7c0772b26e8fa8700c92d6f0cece5 (MD5) Previous issue date: 2011-02-23Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPqapplication/pdfporUniversidade Federal Rural de PernambucoPrograma de Pós-Graduação em Ciência VeterináriaUFRPEBrasilDepartamento de Medicina VeterináriaToxoplasma gondiiToxoplasmoseCamundongoTransmissão venéreaMiceToxoplasmosisVenereal transmissionCIENCIAS AGRARIAS::MEDICINA VETERINARIATransmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis-3061482854177903105600600600600-3020210563763616780453670264235017319-2555911436985713659info:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UFRPEinstname:Universidade Federal Rural de Pernambuco (UFRPE)instacron:UFRPELICENSElicense.txtlicense.txttext/plain; charset=utf-82165http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/5862/1/license.txtbd3efa91386c1718a7f26a329fdcb468MD51ORIGINALSilvio Gomes de Sa.pdfSilvio Gomes de Sa.pdfapplication/pdf2886055http://www.tede2.ufrpe.br:8080/tede2/bitstream/tede2/5862/2/Silvio+Gomes+de+Sa.pdf0aa7c0772b26e8fa8700c92d6f0cece5MD52tede2/58622016-11-07 08:40:52.641oai:tede2: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Biblioteca Digital de Teses e Dissertaçõeshttp://www.tede2.ufrpe.br:8080/tede/PUBhttp://www.tede2.ufrpe.br:8080/oai/requestbdtd@ufrpe.br ||bdtd@ufrpe.bropendoar:2016-11-07T11:40:52Biblioteca Digital de Teses e Dissertações da UFRPE - Universidade Federal Rural de Pernambuco (UFRPE)false |
dc.title.por.fl_str_mv |
Transmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49 |
title |
Transmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49 |
spellingShingle |
Transmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49 SÁ, Sílvio Gomes de Toxoplasma gondii Toxoplasmose Camundongo Transmissão venérea Mice Toxoplasmosis Venereal transmission CIENCIAS AGRARIAS::MEDICINA VETERINARIA |
title_short |
Transmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49 |
title_full |
Transmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49 |
title_fullStr |
Transmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49 |
title_full_unstemmed |
Transmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49 |
title_sort |
Transmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49 |
author |
SÁ, Sílvio Gomes de |
author_facet |
SÁ, Sílvio Gomes de |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
MOTA, Rinaldo Aparecido |
dc.contributor.advisor-co1.fl_str_mv |
PORTO, Ana Lúcia Figueiredo |
dc.contributor.referee1.fl_str_mv |
OLIVEIRA, Érica Paes Barreto Xavier de Moraes |
dc.contributor.referee2.fl_str_mv |
FAUSTINO, Maria Aparecida da Glória |
dc.contributor.referee3.fl_str_mv |
MAIA, Rita de Cassia Carvalho |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/2550552054833584 |
dc.contributor.author.fl_str_mv |
SÁ, Sílvio Gomes de |
contributor_str_mv |
MOTA, Rinaldo Aparecido PORTO, Ana Lúcia Figueiredo OLIVEIRA, Érica Paes Barreto Xavier de Moraes FAUSTINO, Maria Aparecida da Glória MAIA, Rita de Cassia Carvalho |
dc.subject.por.fl_str_mv |
Toxoplasma gondii Toxoplasmose Camundongo Transmissão venérea |
topic |
Toxoplasma gondii Toxoplasmose Camundongo Transmissão venérea Mice Toxoplasmosis Venereal transmission CIENCIAS AGRARIAS::MEDICINA VETERINARIA |
dc.subject.eng.fl_str_mv |
Mice Toxoplasmosis Venereal transmission |
dc.subject.cnpq.fl_str_mv |
CIENCIAS AGRARIAS::MEDICINA VETERINARIA |
description |
The objective of this study was to verify the venereal transmission of Toxoplasma gondii in mice experimentally infected with oocysts of the ME49 strain. The first experiment studied the presence and distribution of T. gondii in the reproduction organs of experimentally infected male mice, in the acute infection phase. Five experimental groups were formed (MG1, MG2, MG3, MG4 and CG-control), inoculated with 50, 100, 500 and 1000 oocysts, respectively. The proof of infection was carried out by an antibodies study and the presence of parasitic DNA in the blood, urine and reproductive tissues. Reproductive tissues were histologically evaluated for the study of suggestive lesions from the infection. Suggestive forms of T. gondii were observed in the urine at the 7th and 15th post-infection days. In the serology only one animal from the MG2 and all from MG3 and MG4 presented antibodies IgM and IgG. In the PCR-Nested, 80% of animals from MG1 and MG2 were positive in the DNA blood study and no animals from MG3 and MG4 were positive. None of the animals from the control group were positive in serology and molecular techniques. Of the males from the infected groups, 30% presented parasitic DNA in the prostate, 40% in the testicle and epididymis and 60% in the seminal vesicle. In the histopathology, testicular degeneration, focal mononuclear infiltration and more accentuated olygospermia were observed in the animals from MG3 and MG4, but not in the CG. The second experiment was carried out with the objective of studying the venereal transmission of T. gondii and the reproductive disturbances in female mice divided in four groups and mated with experimentally infected males between the 2nd and 14th post-infection days. The infection was proven by using the serology and molecular techniques. Histopathology was carried out in reproductive tissues of males (prostate, seminal vesicle, testicles and epididymis) and females (uterus and ovaries). One hundred percent of males presented parasitic DNA in tissues of the reproductive organ or in the blood. However, only one male inoculated with 100 oocysts and 10 inoculated with 500 and 1000 oocysts soroconverted, respectively. Reproductive problems were also observed in mated females, however, they did not present antibodies anti-T. gondii and 75% of them (23/40) were positive in the PCR-Nested. The results obtained in this study conclude that the venereal transmission of the parasite occurs in mice experimentally infected with the ME49 strain in the doses used. |
publishDate |
2011 |
dc.date.issued.fl_str_mv |
2011-02-23 |
dc.date.accessioned.fl_str_mv |
2016-11-07T11:40:52Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
SÁ, Sílvio Gomes de. Transmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49. 2011. 84 f. Dissertação (Programa de Pós-Graduação em Ciência Veterinária) - Universidade Federal Rural de Pernambuco, Recife. |
dc.identifier.uri.fl_str_mv |
http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5862 |
identifier_str_mv |
SÁ, Sílvio Gomes de. Transmissão venérea de Toxoplasma gondii em camundongos experimentalmente infectados com oocistos da cepa ME49. 2011. 84 f. Dissertação (Programa de Pós-Graduação em Ciência Veterinária) - Universidade Federal Rural de Pernambuco, Recife. |
url |
http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/5862 |
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por |
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por |
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openAccess |
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Universidade Federal Rural de Pernambuco |
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Programa de Pós-Graduação em Ciência Veterinária |
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UFRPE |
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Brasil |
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Departamento de Medicina Veterinária |
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Universidade Federal Rural de Pernambuco |
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