Genetic enhancement of learning and memory in mice

Ya Ping Tang, Eiji Shimizu, Gilles R. Dube, Claire Rampon, Geoffrey A. Kerchner, Min Zhuo, Guosong Liu, Joseph Zhuo Tsien

Research output: Contribution to journalArticle

1431 Citations (Scopus)

Abstract

Hebb's rule (1949) states that learning and memory are based on modifications of synaptic strength among neurons that are simultaneously active. This implies that enhanced synaptic coincidence detection would lead to better learning and memory. If the NMDA (N-methyl-D-aspartate) receptor, a synaptic coincidence detector, acts as a graded switch for memory formation, enhanced signal detection by NMDA receptors should enhance learning and memory. Here we show that overexpression of NMDA receptor 2B (NR2B) in the forebrains of transgenic mice leads to enhanced activation of NMDA receptors, facilitating synaptic potentiation in response to stimulation at 10-100 Hz. These mice exhibit superior ability in learning and memory in various behavioural tasks, showing that NR2B is critical in gating the age-dependent threshold for plasticity and memory formation. NMDA-receptor-dependent modifications of synaptic efficacy, therefore, represent a unifying mechanism for associative learning and memory. Our results suggest that genetic enhancement of mental and cognitive attributes such as intelligence and memory in mammals is feasible.

Original languageEnglish (US)
Pages (from-to)63-69
Number of pages7
JournalNature
Volume401
Issue number6748
DOIs
StatePublished - Sep 2 1999

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Genetic Enhancement
Learning
N-Methyl-D-Aspartate Receptors
Aptitude
Prosencephalon
Intelligence
Transgenic Mice
Mammals

ASJC Scopus subject areas

  • General

Cite this

Tang, Y. P., Shimizu, E., Dube, G. R., Rampon, C., Kerchner, G. A., Zhuo, M., ... Tsien, J. Z. (1999). Genetic enhancement of learning and memory in mice. Nature, 401(6748), 63-69. https://doi.org/10.1038/43432

Genetic enhancement of learning and memory in mice. / Tang, Ya Ping; Shimizu, Eiji; Dube, Gilles R.; Rampon, Claire; Kerchner, Geoffrey A.; Zhuo, Min; Liu, Guosong; Tsien, Joseph Zhuo.

In: Nature, Vol. 401, No. 6748, 02.09.1999, p. 63-69.

Research output: Contribution to journalArticle

Tang, YP, Shimizu, E, Dube, GR, Rampon, C, Kerchner, GA, Zhuo, M, Liu, G & Tsien, JZ 1999, 'Genetic enhancement of learning and memory in mice', Nature, vol. 401, no. 6748, pp. 63-69. https://doi.org/10.1038/43432
Tang YP, Shimizu E, Dube GR, Rampon C, Kerchner GA, Zhuo M et al. Genetic enhancement of learning and memory in mice. Nature. 1999 Sep 2;401(6748):63-69. https://doi.org/10.1038/43432
Tang, Ya Ping ; Shimizu, Eiji ; Dube, Gilles R. ; Rampon, Claire ; Kerchner, Geoffrey A. ; Zhuo, Min ; Liu, Guosong ; Tsien, Joseph Zhuo. / Genetic enhancement of learning and memory in mice. In: Nature. 1999 ; Vol. 401, No. 6748. pp. 63-69.
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