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Neuroscience and Behavioral Physiology

, Volume 42, Issue 3, pp 257–263 | Cite as

Selective Effects of Dehydroepiandrosterone Sulfate on Corticoliberin-Induced Anxiety

  • O. G. Semenova
  • V. V. Rakitskaya
  • E. A. Vershinina
  • N. E. Ordyan
  • V. G. Shalyapina
Article
  • 32 Downloads

The effects of dehydroepiandrosterone sulfate (DHEA-S) on changes in the levels of anxiety induced by administration of the stress neurohormone corticoliberin were studied. A T maze was used to select Wistar rats with active and passive strategies of adaptive behavior. Testing of the active group in an elevated plus maze was used to select low- and high-anxiety individuals. Intranasal administration of corticoliberin to low-anxiety active rats resulted in decreases in total activity and increases in the level of anxiety, while high-anxiety animals had low sensitivity to this neurohormone. Prior administration of DHEA-S at a dose of 3 mg/100 g had antistress effects in low-anxiety rats and anxiolytic effects in high-anxiety rats. In passive animals, which were characterized by initially high levels of anxiety and were resistant to corticoliberin, administration of DHEA-S also had antistress actions. These results led to the conclusion that the effects of DHEA-S depended on the initial psychoemotional state and behavioral sensitivity to corticoliberin.

Keywords

corticoliberin dehydroepiandrosterone sulfate anxiety rats behavior 

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Copyright information

© Springer Science+Business Media, Inc. 2012

Authors and Affiliations

  • O. G. Semenova
    • 1
  • V. V. Rakitskaya
    • 1
  • E. A. Vershinina
    • 1
  • N. E. Ordyan
    • 1
  • V. G. Shalyapina
    • 1
  1. 1.I. P. Pavlov Institute of PhysiologyRussian Academy of SciencesSt. PetersburgRussia

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