Restoring production of hippocampal neurons in old age.

Abstract:

:The production of hippocampal granule neurons continues throughout adulthood but dramatically decreases in old age. Here we show that reducing corticosteroid levels in aged rats restored the rate of cell proliferation, resulting in increased numbers of new granule neurons. This result indicates that the neuronal precursor population in the dentate gyrus remains stable into old age, but that neurogenesis is normally slowed by high levels of corticosteroids. The findings further suggest that decreased neurogenesis may contribute to age-related memory deficits associated with high corticosteroids, and that these deficits may be reversible.

journal_name

Nat Neurosci

journal_title

Nature neuroscience

authors

Cameron HA,McKay RD

doi

10.1038/13197

subject

Has Abstract

pub_date

1999-10-01 00:00:00

pages

894-7

issue

10

eissn

1097-6256

issn

1546-1726

journal_volume

2

pub_type

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