Bcl-2 and bax Expressions in pre-term, term and post-term placentas

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Autor(es): dc.contributorSão Paulo Federal University-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorDaher, Silvia-
Autor(es): dc.creatorGuimarães, Alberto J.-
Autor(es): dc.creatorMattar, Rosiane-
Autor(es): dc.creatorIshigai, Márcia M.S.-
Autor(es): dc.creatorBarreiro, Erica G.-
Autor(es): dc.creatorBevilacqua, Estela B.-
Data de aceite: dc.date.accessioned2025-08-21T17:29:42Z-
Data de disponibilização: dc.date.available2025-08-21T17:29:42Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2008-08-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1111/j.1600-0897.2008.00609.x-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/231115-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/231115-
Descrição: dc.descriptionProblem: Placental apoptosis-associated protein imbalance might contribute to the pathogenesis of pre- and post-term birth. Therefore, we evaluated the expression and distribution of pro-apoptotic (Bax) and anti-apoptotic (Bcl-2) molecules in term, pre-term and post-term placentas. Method of Study: Placental samples were collected from women with term (n = 25), pre-term (n = 7) and post-term (n = 10) deliveries. The expression of Bcl-2 and Bax was assessed by immunochemistry on paraffin-embedded placental specimens. Results: The pattern of immunostaining for Bcl-2 and Bax was the same in all samples, but not the intensity. The Bax/Bcl-2 ratio was higher in both pre-term and post-term placental samples compared with term placentas as a result of intense reactivity for the pro-apoptotic factor, Bax in pre-term and post-term placentas and, for Bcl-2 decrease in pre-term placentas. Conclusion: These findings suggest that different unbalance mechanisms in placental apoptotic-associated protein expressions may be involved in the physiopathology of pre-term and post-term births. © 2008 The Authors Journal compilation © 2008 Blackwell Munksgaard.-
Descrição: dc.descriptionDepartment of Obstetrics Paulista Medical School São Paulo Federal University, São Paulo-
Descrição: dc.descriptionDepartment of Pathology Paulista Medical School São Paulo Federal University, São Paulo-
Descrição: dc.descriptionDepartment of Cellular and Developmental Biology Institute of Biomedical Sciences São Paulo State University, São Paulo-
Descrição: dc.descriptionDepartment of Cellular and Developmental Biology Institute of Biomedical Sciences São Paulo State University, São Paulo-
Formato: dc.format172-178-
Idioma: dc.languageen-
Relação: dc.relationAmerican Journal of Reproductive Immunology-
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Palavras-chave: dc.subjectApoptosis-
Palavras-chave: dc.subjectParturition-
Palavras-chave: dc.subjectPlacenta-
Palavras-chave: dc.subjectPost-term birth-
Palavras-chave: dc.subjectPremature labor-
Título: dc.titleBcl-2 and bax Expressions in pre-term, term and post-term placentas-
Tipo de arquivo: dc.typelivro digital-
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