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Zh Vyssh Nerv Deiat Im I P Pavlova. 2000 Jan-Feb;50(1):95-102.

[The determination of the parameters of anxiety in C57BL/6J, CBA/Lac and BALB/c mice under the influence of a serotonin C1A receptor agonist [correction of antagonist].

[Article in Russian]

Author information

1
Institute of Cytology and Genetics, Russian Academy of Sciences, Siberian Branch, Novosibirsk.

Erratum in

  • Zh Vyssh Nerv Deiat Im I P Pavlova 2000 Jul-Aug;50(4):733.

Abstract

Three strains of inbred mice, C57BL/6J (C57), CBA/Lac (CBA), and BALB/c (BALB) were examined in the elevated plus-maze after the injection of an anxiotropic drug, a 5-HT1A agonist ipsapirone (3 mg/kg; i.p.; 30 min). Treatment with ipsapirone had different anxiogenic effects on the behavior of mice in accordance with their genotype. In C57 mice the drug produced a significant decrease in the percentage of the open-arm time and the number of open-arm entries as well as in the number of full entries (when an animal was between the half and the end of an open-arm) and in the number of head dippings. Besides; the number of C57 mice which performed full entries after the ipsapirone injection decreased. In CBA mice ipsapirone reduced the number of enclosed-arm entries, the number of the passages from one enclosed arm to another and the number of head dippings. Only the number of passages dropped in BALB mice after the drug injection. Probably, just these parameters reflect anxiety in mice of the genotypes under study. It was suggested that the sensitivity of 5-HT1A receptors in C57 mice is the highest.

PMID:
10750193
[Indexed for MEDLINE]

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