Canine corpus luteum regression: Apoptosis and caspase-3 activity

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dc.contributor.authorLuz, Marcelo Rezende
dc.contributor.authorCesario, Maria Dalva [UNESP]
dc.contributor.authorBinelli, Mario
dc.contributor.authorLopes, Maria Denise [UNESP]
dc.contributor.institutionUniversidade Federal do Espírito Santo (UFES)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-02-26T17:26:41Z
dc.date.accessioned2014-05-20T13:41:42Z
dc.date.available2014-02-26T17:26:41Z
dc.date.available2014-05-20T13:41:42Z
dc.date.issued2006-10-01
dc.description.abstractThe present study evaluated the occurrence of apoptosis and caspase-3 activity in the canine corpus luteum during the period of luteal regression in eight pregnant and nine nonpregnant diestrus bitches. Intact luteal cells were obtained from corpora lutea in both peripartum pregnant bitches and nonpregnant diestrus bitches at approximately 65 d (range 63-68) after estrus, but not at days 75 and 85 in nonpregnant bitches. In all bitches, apoptotic cells were rarely detected and when present, those cells were more easily detected using the hematoxylin and eosin technique than using the critical electrolyte concentration technique. The luteal structures at 75 and 85 d of diestrus had histological characteristics similar to a corpus albicans. Caspase-3 activity was detected in morphologically normal corpora lutea from both pregnant and diestrus bitches around day 65, and also in the later structures considered corpus albicans tissue. These results suggested that apoptosis may not be the major mechanism involved in canine functional luteal regression, and that caspase-3 participated in both functional and morphological luteolysis and in the tissue reorganization involved in corpus albicans formation. (c) 2006 Published by Elsevier B.V.en
dc.description.affiliationFed Univ Espirito Santo, Dept Anim Sci & Rural Econ, CCA, BR-29500000 Alegre, ES, Brazil
dc.description.affiliationSão Paulo State Univ, Inst Biosci, Dept Morphol, BR-18618000 Botucatu, SP, Brazil
dc.description.affiliationUniv São Paulo, Dept Anim Reprod, CBRA, LFEM, BR-13630000 Pirassununga, SP, Brazil
dc.description.affiliationSão Paulo State Univ, Sch Vet Med & Anim Sci FMVZ, Dept Anim Reprod & Vet Radiol, BR-18618000 Botucatu, SP, Brazil
dc.description.affiliationUnespSão Paulo State Univ, Inst Biosci, Dept Morphol, BR-18618000 Botucatu, SP, Brazil
dc.description.affiliationUnespSão Paulo State Univ, Sch Vet Med & Anim Sci FMVZ, Dept Anim Reprod & Vet Radiol, BR-18618000 Botucatu, SP, Brazil
dc.format.extent1448-1453
dc.identifierhttp://dx.doi.org/10.1016/j.theriogenology.2006.02.025
dc.identifier.citationTheriogenology. New York: Elsevier B.V., v. 66, n. 6-7, p. 1448-1453, 2006.
dc.identifier.doi10.1016/j.theriogenology.2006.02.025
dc.identifier.issn0093-691X
dc.identifier.lattes6769802417061098
dc.identifier.lattes6666129914663018
dc.identifier.orcid0000-0003-1117-2353
dc.identifier.urihttp://hdl.handle.net/11449/14457
dc.identifier.wosWOS:000240887300008
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofTheriogenology
dc.relation.ispartofjcr2.136
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectbitchpt
dc.subjectcorpus luteumpt
dc.subjectapoptosispt
dc.subjectcaspase-3pt
dc.subjectluteal regressionpt
dc.titleCanine corpus luteum regression: Apoptosis and caspase-3 activityen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes6769802417061098
unesp.author.lattes6666129914663018
unesp.author.orcid0000-0003-1117-2353[2]
unesp.author.orcid0000-0002-5995-3944[3]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, Botucatupt
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Medicina Veterinária e Zootecnia, Botucatupt

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Artigos - Morfologia - IBB
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