Post-train administration of 9-amino-1,2,3,4-tetrahydroacridine enhances passive avoidance retention and decreases β-adrenoceptor-linked cyclic AMP formation in middle-aged rats

Mara Dierssen, Frederic Màrmol, Nuria M. Vivas, M. Victòria Clos, Albert Badia

Research output: Contribution to journalArticleResearchpeer-review

11 Citations (Scopus)

Abstract

The possible involvement of β-adrenoceptor system in the effectiveness of 9-amino-1,2,3,4-tetrahydroacridine (THA) to attenuate retention deficits exhibited by middle-aged rats in a one-trial passive avoidance task has been investigated. THA (2.5 mg·kg-1), injected i.p. after training, induced a significant increase in test step-through latency (STL) in middle-aged rats. Post-training injection of THA reduced basal and isoprenaline stimulated cyclic AMP accumulation in cortex and hippocampus of every group of rats. It is suggested that the effect of THA on memory processes may involve an action on β-adrenoceptor-linked cyclic AMP accumulation. © 1992.
Original languageEnglish
Pages (from-to)117-120
JournalBrain Research
Volume586
Issue number1
DOIs
Publication statusPublished - 17 Jul 1992

Keywords

  • Adenylate cyclase
  • Aging
  • Cortex
  • Hippocampus
  • Passive avoidance
  • Tetrahydroaminoacridine
  • β-Adrenoceptor

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