Changes in the Vascular Area Fraction of the Hippocampus and Amygdala are Induced by Prenatal Dexamethasone and/or Adult Stress | Zendy

Gretchen N. Neigh | Zendy; Michael J. Owens | Zendy; W. Robert Taylor | Zendy; Charles B. Nemeroff | Zendy

Open Access

Changes in the Vascular Area Fraction of the Hippocampus and Amygdala are Induced by Prenatal Dexamethasone and/or Adult Stress

Author(s) -

Gretchen N. Neigh,

Michael J. Owens,

W. Robert Taylor,

Charles B. Nemeroff

Publication year - 2010

Publication title -

journal of cerebral blood flow and metabolism

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.167

H-Index - 193

eISSN - 1559-7016

pISSN - 0271-678X

DOI - 10.1038/jcbfm.2010.46

Subject(s) - hippocampus , amygdala , prenatal stress , glucocorticoid , medicine , endocrinology , stressor , neuroscience , dexamethasone , psychology , biology , gestation , pregnancy , genetics

In addition to the neuronal and behavioral consequences of excess glucocorticoid exposure, the cerebrovascular system can also be adversely affected by stressors. This study determined that chronic stress in adulthood decreased the vascular area fraction of the hippocampus and increased the vascular area fraction of the amygdala. In addition, the data indicated that prenatal exposure to synthetic glucocorticoids modulated the effects of adult stress on vascular area fraction of the hippocampus and amygdala. These data indicate that in addition to the well-documented stress-induced changes in neurons and glia, cerebral vasculature is also altered by exposure to stressors.

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