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  • Sociedad Chilena de Anatomía
  • International Journal of Morphology
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  • Sociedad Chilena de Anatomía
  • International Journal of Morphology
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Maternal Chronic Stress Induces Premature Telencephalic Vesicles Development

Author
Mugnaini,María Teresa

Soñez,Carlos Alberto

Rolando,Alicia Nélida

Romanini,María Cristina

Bozzo,Aída Andrea

Pastorino,Isabel Cecilia

Gauna,Héctor Fernando

Paz,Dante Agustín

Full text
https://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0717-95022006000500001
Abstract
Exposure to physical or psychological stress causes brain damage ranging from minimal behavioural alterations to different neurodegeneration degrees implying the overproduction of oxidative-nitrosative compounds, apoptosis and cell proliferation. In the present investigation, we have analysed the effect of the chronic stress by immobilisation applied to pregnant rats over the forebrain development of the embryos. The morphometric analyses showed an accelerated evagination of the telencephalic vesicles in 12 days old fetus from stressed mothers. The forebrain perimeter and the thickness showed significative differences in relation to age-matched controls. This stress effect seemed reversible during subsequent gestational stages. This is the first work showing a transient acceleration in the development induced by the gestational stress. Our model provides a new tool for studying the effect of the stress on the development
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Discipline
Artes, Arquitectura y UrbanismoCiencias Agrarias, Forestales y VeterinariasCiencias Exactas y NaturalesCiencias SocialesDerechoEconomía y AdministraciónFilosofía y HumanidadesIngenieríaMedicinaMultidisciplinarias
Institutions
Universidad de ChileUniversidad Católica de ChileUniversidad de Santiago de ChileUniversidad de ConcepciónUniversidad Austral de ChileUniversidad Católica de ValparaísoUniversidad del Bio BioUniversidad de ValparaísoUniversidad Católica del Nortemore

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