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Brain-derived neurotrophic factor (BDNF) overexpression in the forebrain results in learning and memory impairments

Cunha, C., Angelucci, A., D'Antoni, A., Dobrossy, M. D., Dunnett, Stephen Bruce, Berardi, N. and Brambilla, Riccardo 2009. Brain-derived neurotrophic factor (BDNF) overexpression in the forebrain results in learning and memory impairments. Neurobiology of Disease 33 (3) , pp. 358-368. 10.1016/j.nbd.2008.11.004

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Abstract

In this study we analyzed the effect on behavior of a chronic exposure to brain-derived neurotrophic factor (BDNF), by analysing a mouse line overexpressing BDNF under the αCaMKII promoter, which drives the transgene expression exclusively to principal neurons of the forebrain. BDNF transgenic mice and their WT littermates were examined with a battery of behavioral tests, in order to evaluate motor coordination, learning, short and long-term memory formation. Our results demonstrate that chronic BDNF overexpression in the central nervous system (CNS) causes learning deficits and short-term memory impairments, both in spatial and instrumental learning tasks. This observation suggests that a widespread increase in BDNF in forebrain networks may result in adverse effects on learning and memory formation.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Publisher: Elsevier
ISSN: 0969-9961
Last Modified: 03 Jun 2019 19:13
URI: http://orca.cf.ac.uk/id/eprint/8712

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