Receptores de estrógeno e ocitocina no corpo lúteo durante a gestação e parto em cadelas
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Brazilian Journal of Veterinary Research and Animal Science |
Texto Completo: | https://www.revistas.usp.br/bjvras/article/view/75542 |
Resumo: | The expression of genes encoding the receptors for estrogen (ERαmRNA) and oxytocin (OTRmRNA) was studied in the corpus luteum during pregnancy and parturition in dogs. Real-time PCR was performed to quantify the levels of ERαmRNA and OTRmRNA in the corpus luteum of bitches during Early (up to 20 days of gestation), Mid (20 to 40 days) and Late Pregnancy (40 to 60 days), and Parturition (first stage of labor). The corpus luteum expressed mRNA for OTR, however ERα mRNA was not detected. There was a reduction of OTR mRNA expression in the corpus luteum from gestational Day 20 onward, which suggests an important role of OTR mRNA in the mechanism of pregnancy recognition in dogs. We concluded that the expression of OTR mRNA in canine corpus luteum vary over time, which support the idea that the sensitivity and response to hormone therapy can vary along the course of pregnancy and labor. Moreover, the canine CL lacks ERα mRNA expression during pregnancy. |
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Brazilian Journal of Veterinary Research and Animal Science |
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Receptores de estrógeno e ocitocina no corpo lúteo durante a gestação e parto em cadelasEstrogen and oxytocin receptors in the canine corpus luteum during pregnancy and parturitionCanineEstrogenOxytocinCorpus luteumPregnancyParturitionCadelasEstrógenoOcitocinaCorpo lúteoGestaçãoPartoThe expression of genes encoding the receptors for estrogen (ERαmRNA) and oxytocin (OTRmRNA) was studied in the corpus luteum during pregnancy and parturition in dogs. Real-time PCR was performed to quantify the levels of ERαmRNA and OTRmRNA in the corpus luteum of bitches during Early (up to 20 days of gestation), Mid (20 to 40 days) and Late Pregnancy (40 to 60 days), and Parturition (first stage of labor). The corpus luteum expressed mRNA for OTR, however ERα mRNA was not detected. There was a reduction of OTR mRNA expression in the corpus luteum from gestational Day 20 onward, which suggests an important role of OTR mRNA in the mechanism of pregnancy recognition in dogs. We concluded that the expression of OTR mRNA in canine corpus luteum vary over time, which support the idea that the sensitivity and response to hormone therapy can vary along the course of pregnancy and labor. Moreover, the canine CL lacks ERα mRNA expression during pregnancy. A expressão dos genes que codificam os receptores de estrógeno (REα RNAm) e ocitocina (ROT RNAm) foram estudados no corpo lúteo de cadelas durante a gestação e parto. A técnica de PCR em tempo real foi realizada para quantificar a expressão do REα RNAm e ROT RNAm no corpo lúteo de cadelas durante o início (até 20 dias de gestação), meio (20 a 40 dias) e final da gestação (40 a 60 dias), e durante o parto (pródomos do parto). O corpo lúteo apresentou expressão do RNAm para o ROT, entretanto o RNAm para o REα não foi detectado. Houve redução na expressão do ROT RNAm no corpo lúteo a partir de 20 dias da gestação, indicando papel no mecanismo de reconhecimento gestacional em cadelas. Em conclusão, a expressão do ROT RNAm no corpo lúteo de cadelas apresentou variação ao longo do tempo de gestação, sugerindo que a resposta e sensibilidade à terapia hormonal pode variar conforme o momento da gestação e parto. Ademais, o corpo lúteo canino não expressa REα RNAm durante a gestação. Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia2015-02-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/bjvras/article/view/7554210.11606/issn.1678-4456.v51i4p346-351Brazilian Journal of Veterinary Research and Animal Science; Vol. 51 Núm. 4 (2014); 346-351Brazilian Journal of Veterinary Research and Animal Science; Vol. 51 No. 4 (2014); 346-351Brazilian Journal of Veterinary Research and Animal Science; v. 51 n. 4 (2014); 346-351Brazilian Journal of Veterinary Research and Animal Science; V. 51 N. 4 (2014); 346-3511678-44561413-9596reponame:Brazilian Journal of Veterinary Research and Animal Scienceinstname:Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP)instacron:USPenghttps://www.revistas.usp.br/bjvras/article/view/75542/92817Copyright (c) 2014 Brazilian Journal of Veterinary Research and Animal Scienceinfo:eu-repo/semantics/openAccessVeiga, Gisele Almeida LimaMilazzotto, Marcella PecoraLúcio, Cristina FátimaSilva, Liege Cristina GarciaVannucchi, Camila Infantosi2020-06-23T04:05:57Zoai:revistas.usp.br:article/75542Revistahttps://www.revistas.usp.br/bjvrasPUBhttps://www.revistas.usp.br/bjvras/oaibjvras@usp.br1413-95961413-9596opendoar:https://www.revistas.usp.br/bjvras/index2023-01-12T16:43:51.243173Brazilian 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 |
Receptores de estrógeno e ocitocina no corpo lúteo durante a gestação e parto em cadelas Estrogen and oxytocin receptors in the canine corpus luteum during pregnancy and parturition |
title |
Receptores de estrógeno e ocitocina no corpo lúteo durante a gestação e parto em cadelas |
spellingShingle |
Receptores de estrógeno e ocitocina no corpo lúteo durante a gestação e parto em cadelas Veiga, Gisele Almeida Lima Canine Estrogen Oxytocin Corpus luteum Pregnancy Parturition Cadelas Estrógeno Ocitocina Corpo lúteo Gestação Parto |
title_short |
Receptores de estrógeno e ocitocina no corpo lúteo durante a gestação e parto em cadelas |
title_full |
Receptores de estrógeno e ocitocina no corpo lúteo durante a gestação e parto em cadelas |
title_fullStr |
Receptores de estrógeno e ocitocina no corpo lúteo durante a gestação e parto em cadelas |
title_full_unstemmed |
Receptores de estrógeno e ocitocina no corpo lúteo durante a gestação e parto em cadelas |
title_sort |
Receptores de estrógeno e ocitocina no corpo lúteo durante a gestação e parto em cadelas |
author |
Veiga, Gisele Almeida Lima |
author_facet |
Veiga, Gisele Almeida Lima Milazzotto, Marcella Pecora Lúcio, Cristina Fátima Silva, Liege Cristina Garcia Vannucchi, Camila Infantosi |
author_role |
author |
author2 |
Milazzotto, Marcella Pecora Lúcio, Cristina Fátima Silva, Liege Cristina Garcia Vannucchi, Camila Infantosi |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Veiga, Gisele Almeida Lima Milazzotto, Marcella Pecora Lúcio, Cristina Fátima Silva, Liege Cristina Garcia Vannucchi, Camila Infantosi |
dc.subject.por.fl_str_mv |
Canine Estrogen Oxytocin Corpus luteum Pregnancy Parturition Cadelas Estrógeno Ocitocina Corpo lúteo Gestação Parto |
topic |
Canine Estrogen Oxytocin Corpus luteum Pregnancy Parturition Cadelas Estrógeno Ocitocina Corpo lúteo Gestação Parto |
description |
The expression of genes encoding the receptors for estrogen (ERαmRNA) and oxytocin (OTRmRNA) was studied in the corpus luteum during pregnancy and parturition in dogs. Real-time PCR was performed to quantify the levels of ERαmRNA and OTRmRNA in the corpus luteum of bitches during Early (up to 20 days of gestation), Mid (20 to 40 days) and Late Pregnancy (40 to 60 days), and Parturition (first stage of labor). The corpus luteum expressed mRNA for OTR, however ERα mRNA was not detected. There was a reduction of OTR mRNA expression in the corpus luteum from gestational Day 20 onward, which suggests an important role of OTR mRNA in the mechanism of pregnancy recognition in dogs. We concluded that the expression of OTR mRNA in canine corpus luteum vary over time, which support the idea that the sensitivity and response to hormone therapy can vary along the course of pregnancy and labor. Moreover, the canine CL lacks ERα mRNA expression during pregnancy. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-02-06 |
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/75542 10.11606/issn.1678-4456.v51i4p346-351 |
url |
https://www.revistas.usp.br/bjvras/article/view/75542 |
identifier_str_mv |
10.11606/issn.1678-4456.v51i4p346-351 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://www.revistas.usp.br/bjvras/article/view/75542/92817 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2014 Brazilian Journal of Veterinary Research and Animal Science info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2014 Brazilian Journal of Veterinary Research and Animal Science |
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. 51 Núm. 4 (2014); 346-351 Brazilian Journal of Veterinary Research and Animal Science; Vol. 51 No. 4 (2014); 346-351 Brazilian Journal of Veterinary Research and Animal Science; v. 51 n. 4 (2014); 346-351 Brazilian Journal of Veterinary Research and Animal Science; V. 51 N. 4 (2014); 346-351 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_ |
1797051566489862144 |