http://www.cnr.it/ontology/cnr/individuo/prodotto/ID318593
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)
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- 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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