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Enhancement of reference memory in aged rats by specific activation of 5-HT4 receptors using an olfactory associative discrimination task

Evelyne Marchetti 1 Marlyse Jacquet Guy Escoffier 2 Martine Miglioratti Aline Dumuis 3 Joël Bockaert 3 François Roman 1
1 NIA - Neurobiologie intégrative et adaptative
2 NICN - Neurobiologie des interactions cellulaires et neurophysiopathologie - NICN
3 IGF - Institut de Génomique Fonctionnelle
Abstract : In normal aging, or pathological brain diseases in humans, implicit memory (or procedural memory in rats) is spared while explicit memory (or reference memory in rats) is deeply impaired. Selective activation of 5-HT(4) receptors by a partial 5-HT(4) receptor agonist (SL65.0155) improved memory performance in an olfactory associative discrimination task in aged rats. Detailed analysis of subcategories of long-term memory using a hippocampal-dependent olfactory associative discrimination task revealed a substantial benefit on reference memory. This agent could be used to treat early mnesic deficits observed in normal aging or in neurodegenerative disorders like Alzheimer disease.
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https://hal-amu.archives-ouvertes.fr/hal-01770092
Contributor : Guy Escoffier Connect in order to contact the contributor
Submitted on : Wednesday, April 18, 2018 - 3:50:41 PM
Last modification on : Friday, October 22, 2021 - 2:48:04 PM

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Evelyne Marchetti, Marlyse Jacquet, Guy Escoffier, Martine Miglioratti, Aline Dumuis, et al.. Enhancement of reference memory in aged rats by specific activation of 5-HT4 receptors using an olfactory associative discrimination task. Brain Research, Elsevier, 2011, 1405, pp.49 - 56. ⟨10.1016/j.brainres.2011.06.020⟩. ⟨hal-01770092⟩

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