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Author(s): Henrique Almeida
Liliana Matos
Delminda Neves
Title: Caspase-3 and bcl-2 expression in aging in adrenal zona reticularis after dexamethasone administration
Issue Date: 2007
Abstract: Adrenocortical cell death by apoptosis is a common finding when adrenocorticotropic hormone is suppressed. Despite the well-known final structural features exhibited by those cells, data on the mechanisms preceding these final events are lacking. In this study, after 3 days of dexamethasone administration to rats of different ages, rat adrenals were processed for immunocytochemical study. In the zona reticularis, there was evidence of the activation of Bcl-2 and caspase-3 proteins. Beyond a small age-related increase in labeled cells, the number of cells presenting colocalization for both proteins was noteworthy. The results confirm the involvement of Bcl-2 and caspase-3 proteins in the apoptotic pathway and suggest their simultaneous intervention.
Subject: Endocrinologia, Biologia celular, Medicina clínica
Endocrinology, Cell biology, Clinical medicine
Scientific areas: Ciências médicas e da saúde::Medicina clínica
Medical and Health sciences::Clinical medicine
Document Type: Artigo em Revista Científica Internacional
Rights: restrictedAccess
Appears in Collections:FCNAUP - Artigo em Revista Científica Internacional
FMUP - Artigo em Revista Científica Internacional

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