Social isolation stress and neuroactive steroids (Articolo in rivista)

Type
Label
  • Social isolation stress and neuroactive steroids (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.euroneuro.2006.03.004 (literal)
Alternative label
  • Serra, M. (1,2); Sanna, E. (2); Biggio, G. (1,2); Mostallino, M. C. (1) (2007)
    Social isolation stress and neuroactive steroids
    in European neuropsychopharmacology
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Serra, M. (1,2); Sanna, E. (2); Biggio, G. (1,2); Mostallino, M. C. (1) (literal)
Pagina inizio
  • 1 (literal)
Pagina fine
  • 11 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 17 (literal)
Rivista
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1) C.N.R. Institute of Neuroscience - ; (2) Department of Experimental Biology - Center of Excellence for Neurobiology of Dependence (literal)
Titolo
  • Social isolation stress and neuroactive steroids (literal)
Abstract
  • ocial isolation of rats immediately after weaning is associated to a reduction in the cerebrocortical and plasma concentrations of progesterone and its metabolites 3?,5?-TH PROG and 3?,5?-THDOC. Although we found that the basal plasma concentration of adrenocorticotropic hormone in isolated rats was slightly decreased compared with that in group-housed animals no other significant changes were found in the steroidogenic machinery (peripheral benzodiazepine receptors, steroidogenic regulatory protein (StAR)). However, the functional response of the hypothalamic-pituitary-adrenal axis HPA axis to an acute stressful stimulus (foot shock), or to an acute injection of ethanol or isoniazid is markedly increased in isolated rats. Behavioral studies have also indicated that the ability of ethanol to inhibit isoniazid-induced convulsions is greater in isolated rats than in group-housed animals and this effect of isolation is prevented by treatment with the 5?-reductase inhibitor finasteride. Social isolation modified the effects of ethanol on the amounts of StAR mRNA and protein in the brain suggesting an alteration in the mechanism of cholesterol transport in mithocondria. Moreover, the amounts of the ? (literal)
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