Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1995-5-24
pubmed:abstractText
Astrogliosis with advancing age is correlated with increased expression of glial fibrillary acidic protein (GFAP). Hypothalamic GFAP mRNA prevalence was determined in male F344 rats of different ages that were fed ad lib (AL) and compared with that of rats that were food-restricted (FR) to 60% of AL levels. Hypothalamic GFAP mRNA increased 3-fold at 24 to 25 months in AL rats compared with 3 and 6 month groups. There were no differences in GFAP mRNA levels between AL and FR rats from 3 to 18 months. However, GFAP mRNA was significantly lower in FR than in AL rats at 24 to 25 months; FR rats reached the level of GFAP mRNA in 24 to 25 months AL rats by 33 months. Hypothalamic glutamine synthetase mRNA also increased with age in both dietary groups but did not differ between dietary groups at any age. The observation that FR delays the increased expression of GFAP in the hypothalamus during aging lends support to the hypothesis that upregulation of GFAP mRNA is a biomarker of brain aging.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0197-4580
pubmed:author
pubmed:issnType
Print
pubmed:volume
16
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
105-10
pubmed:dateRevised
2007-11-14
pubmed:meshHeading
pubmed:articleTitle
Food restriction delays the age-related increase in GFAP mRNA in rat hypothalamus.
pubmed:affiliation
Andrus Gerontology Center, University of Southern California, Los Angeles 90089-0191, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.