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Targeting activation of specific NF-κB subunits prevents stress-dependent atherothrombotic gene expression.
Mol. Med. 18, 1375-1386 (2012)
Psychosocial stress has been shown to be a contributing factor in the development of atherosclerosis. Although the underlying mechanisms have not been elucidated entirely, it has been shown previously that the transcription factor nuclear factor-κB (NF-κB) is an important component of stress-activated signaling pathway. In this study, we aimed to decipher the mechanisms of stress-induced NF-κB-mediated gene expression, using an in vitro and in vivo model of psychosocial stress. Induction of stress led to NF-κB-dependent expression of proinflammatory (tissue factor, intracellular adhesive molecule 1 [ICAM-1]) and protective genes (manganese superoxide dismutase [MnSOD]) via p50, p65 or cRel. Selective inhibition of the different subunits and the respective kinases showed that inhibition of cRel leads to the reduction of atherosclerotic lesions in apolipoprotein(-/-) (ApoE(-/-)) mice via suppression of proinflammatory gene expression. This observation may therefore provide a possible explanation for ineffectiveness of antioxidant therapies and suggests that selective targeting of cRel activation may provide a novel approach for the treatment of stress-related inflammatory vascular disease.
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Publication type
Article: Journal article
Document type
Scientific Article
Language
english
Publication Year
2012
HGF-reported in Year
0
ISSN (print) / ISBN
1076-1551
e-ISSN
1435-8123
Journal
Molecular Medicine
Quellenangaben
Volume: 18,
Pages: 1375-1386
Publisher
Feinstein Inst. for Medical Research
Reviewing status
Peer reviewed
Institute(s)
Institute of Diabetes and Cancer (IDC)
PubMed ID
23114885
Erfassungsdatum
2012-12-31