Learning/memory and drug dependence

Yukihiro Noda, Toshitaka Nabeshima

Research output: Contribution to journalReview article

4 Citations (Scopus)

Abstract

We investigated the possible mechanisms of development of latent learning and morphine dependence by the methods of behavioral pharmacology and confirmed them by using mutant mice. The heterozygous mice for the tyrosine hydroxylase (TH) gene and for the cyclic AMP (cAMP) response element binding protein (CREB) binding protein (CBP) gene showed the impairment of latent learning in the water finding task, and these mice did not develop morphine dependence. The spatial learning and hippocampal long-term potentiation (LTP) were normal in the both mutants. TH heterozygous mice showed a reduction of high K+-evoked noradrenaline release in the frontal cortex measured by the microdialysis technique and of cAMP content in the brain. In conclusion, the results of mutant mice suggest that the alternation of catecholamine biosynthesis and cAMP signal pathways may play a key role in development of latent learning and morphine dependence, and they furthermore show that the expression of genes mediated by phosphorylated CREB may be involved in the development of latent learning and morphine dependence.

Original languageEnglish
Pages (from-to)213-217
Number of pages5
JournalFolia Pharmacologica Japonica
Volume119
Issue number4
DOIs
Publication statusPublished - 11-05-2002
Externally publishedYes

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Morphine Dependence
Substance-Related Disorders
Learning
Cyclic AMP Response Element-Binding Protein
Tyrosine 3-Monooxygenase
Cyclic AMP
Long-Term Potentiation
Microdialysis
Frontal Lobe
Protein Binding
Genes
Catecholamines
Signal Transduction
Norepinephrine
Carrier Proteins
Pharmacology
Gene Expression
Water
Brain

All Science Journal Classification (ASJC) codes

  • Pharmacology

Cite this

Noda, Yukihiro ; Nabeshima, Toshitaka. / Learning/memory and drug dependence. In: Folia Pharmacologica Japonica. 2002 ; Vol. 119, No. 4. pp. 213-217.
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Learning/memory and drug dependence. / Noda, Yukihiro; Nabeshima, Toshitaka.

In: Folia Pharmacologica Japonica, Vol. 119, No. 4, 11.05.2002, p. 213-217.

Research output: Contribution to journalReview article

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