Abstract:
:Aging is associated with increased glial responsiveness that may enhance the brain's susceptibility to injury and disease. To determine whether unique age-related molecular responses occur in brain injury, we assessed mRNA levels of representative central nervous system (CNS) inflammation-related molecules in young (3 months) and aged (36 months) Fisher 344/Brown Norwegian F1 hybrid rats following cortical stab. Enhanced glial activation in older animals was accompanied by increased expression of a subset of inflammation-related mRNAs, including IL-1beta, TNFalpha, IL-6, ICAM-1, inducible nitric oxide synthase (iNOS), metalloproteinase-9 (MMP-9), and complement 3alpha-chain 1 (C3alpha1). Recognition of these age-specific differences may guide development of novel treatment regimes for older individuals.
journal_name
J Neuroimmunoljournal_title
Journal of neuroimmunologyauthors
Kyrkanides S,O'Banion MK,Whiteley PE,Daeschner JC,Olschowka JAdoi
10.1016/s0165-5728(01)00404-0subject
Has Abstractpub_date
2001-10-01 00:00:00pages
269-77issue
2eissn
0165-5728issn
1872-8421pii
S0165572801004040journal_volume
119pub_type
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