Stress-induced increase in brain neuroactive steroids: Antagonism by abecarnil (Articolo in rivista)

Type
Label
  • Stress-induced increase in brain neuroactive steroids: Antagonism by abecarnil (Articolo in rivista) (literal)
Anno
  • 1996-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/0091-3057(95)02133-7 (literal)
Alternative label
  • Barbaccia, ML; Concas, A; Roscetti, G; Bolacchi, F; Mostallino, MC; Purdy, RH; Biggio, G (1996)
    Stress-induced increase in brain neuroactive steroids: Antagonism by abecarnil
    in Pharmacology, biochemistry and behavior
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Barbaccia, ML; Concas, A; Roscetti, G; Bolacchi, F; Mostallino, MC; Purdy, RH; Biggio, G (literal)
Pagina inizio
  • 205 (literal)
Pagina fine
  • 210 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.sciencedirect.com (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 54 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Department of Experimental Medicine, University of Rome Tor Vergata, Rome; Department of Experimental Biology, University of Cagliari, Cagliari; Department of Psychiatry, University of California, San Diego (literal)
Titolo
  • Stress-induced increase in brain neuroactive steroids: Antagonism by abecarnil (literal)
Abstract
  • Acute foot shock stress elicits a selective and time-dependent increase of neuroactive steroid (pregnenolone, progesterone, allotetrahydrodeoxycorticosterone) concentrations in rat brain cortex, accompanied by a marked increase of plasma corticosterone. The brain cortical neuroactive steroid levels peaked between 10 and 30 min poststress and returned to control values by 2 h. Abecarnil (0.3 mg/kg, IP), a beta-carboline derivative with anxiolytic properties, completely antagonized the effect of foot shock on brain cortical neuroactive steroids. A single administration of the anxiogenic beta-carboline FG 7142 (15 mg/kg, IP), in contrast, mimicked the effect of foot shock. These data support the hypothesis for the existence of a functional relationship between brain neuroactive steroid concentrations and GABA(A) receptor function/emotional state of the animal. (literal)
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