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Psychosocial stress-related changes in gene expression of norepinephrine biosynthetic enzymes in stellate ganglia of adult rats

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Authors
Gavrilović, Ljubica
Spasojević, Nataša
Dronjak, Slađana
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Abstract
In this study we investigated the changes in norepinephrine biosynthetic enzymes tyrosine hydroxylase (TH), dopamine beta-hydroxylase (DBH) and phenylethanolamine N-methyltransferase (PNMT) gene expression in the stellate ganglia of naive controls and long-term socially isolated (12 weeks) adult rats and the response of these animals to additional immobilization stress. Psychosocial stress produced a significant increase of both TH mRNA and DBH mRNA levels in stellate ganglia. Additional immobilization of long-term psychosocially stressed rats expressed no effect on gene expression of these enzymes. The results presented here suggest that psychosocial stress-induced increase in gene expression of norepinephrine biosynthetic enzymes in stellate ganglia may be connected to the increased risk of cardiovascular disease. (C) 2009 Elsevier B.V. All rights reserved.
Keywords:
Stellate ganglia / Psychosocial stress / Norepinephrine / Gene expression
Source:
Autonomic Neuroscience: Basic and Clinical, 2009, 150, 1-2, 144-146
Projects:
  • Ministry of Science and Technological Development of the Republic of Serbia [143044B]

DOI: 10.1016/j.autneu.2009.05.242

ISSN: 1566-0702

PubMed: 19482560

WoS: 000270472800022

Scopus: 2-s2.0-69449097215
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URI
http://vinar.vin.bg.ac.rs/handle/123456789/3252
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