PI3KÎ 3 is required for NMDA receptorg - Dependent long-term depression and behavioral flexibility

Jae Ick Kim, Hye Ryeon Lee, Su Eon Sim, Jinhee Baek, Nam Kyung Yu, Jun Hyeok Choi, Hyoung Gon Ko, Yong Seok Lee, Soo Won Park, Chuljung Kwak, Sung Ji Ahn, So Yoen Choi, Hyun Kim, Kyoung Han Kim, Peter H. Backx, Clarrisa A. Bradley, Eunjoon Kim, Deok Jin Jang, Kyungmin Lee, Sang Jeong KimMin Zhuo, Graham L. Collingridge, Bong Kiun Kaang

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Abstract

Phosphatidylinositol 3-kinase (PI3K) has been implicated in synaptic plasticity and other neural functions in the brain. However, the role of individual PI3K isoforms in the brain is unclear. We investigated the role of PI3KÎ 3 in hippocampal-dependent synaptic plasticity and cognitive functions. We found that PI3KÎ 3 has a crucial and specific role in NMDA receptor (NMDAR)-mediated synaptic plasticity at mouse Schaffer collateralg - commissural synapses. Both genetic deletion and pharmacological inhibition of PI3KÎ 3 disrupted NMDAR long-term depression (LTD) while leaving other forms of synaptic plasticity intact. Accompanying this physiological deficit, the impairment of NMDAR LTD by PI3KÎ 3 blockade was specifically correlated with deficits in behavioral flexibility. These findings suggest that a specific PI3K isoform, PI3KÎ 3, is critical for NMDAR LTD and some forms of cognitive function. Thus, individual isoforms of PI3Ks may have distinct roles in different types of synaptic plasticity and may therefore influence various kinds of behavior.

Original languageEnglish
Pages (from-to)1447-1454
Number of pages8
JournalNature Neuroscience
Volume14
Issue number11
DOIs
Publication statusPublished - 2011 Nov 1

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Phosphatidylinositol 3-Kinase
N-Methylaspartate
Neuronal Plasticity
Depression
N-Methyl-D-Aspartate Receptors
Protein Isoforms
Cognition
Brain
Phosphatidylinositol 3-Kinases
Synapses
Pharmacology

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Kim, J. I., Lee, H. R., Sim, S. E., Baek, J., Yu, N. K., Choi, J. H., ... Kaang, B. K. (2011). PI3KÎ 3 is required for NMDA receptorg - Dependent long-term depression and behavioral flexibility. Nature Neuroscience, 14(11), 1447-1454. https://doi.org/10.1038/nn.2937

PI3KÎ 3 is required for NMDA receptorg - Dependent long-term depression and behavioral flexibility. / Kim, Jae Ick; Lee, Hye Ryeon; Sim, Su Eon; Baek, Jinhee; Yu, Nam Kyung; Choi, Jun Hyeok; Ko, Hyoung Gon; Lee, Yong Seok; Park, Soo Won; Kwak, Chuljung; Ahn, Sung Ji; Choi, So Yoen; Kim, Hyun; Kim, Kyoung Han; Backx, Peter H.; Bradley, Clarrisa A.; Kim, Eunjoon; Jang, Deok Jin; Lee, Kyungmin; Kim, Sang Jeong; Zhuo, Min; Collingridge, Graham L.; Kaang, Bong Kiun.

In: Nature Neuroscience, Vol. 14, No. 11, 01.11.2011, p. 1447-1454.

Research output: Contribution to journalArticle

Kim, JI, Lee, HR, Sim, SE, Baek, J, Yu, NK, Choi, JH, Ko, HG, Lee, YS, Park, SW, Kwak, C, Ahn, SJ, Choi, SY, Kim, H, Kim, KH, Backx, PH, Bradley, CA, Kim, E, Jang, DJ, Lee, K, Kim, SJ, Zhuo, M, Collingridge, GL & Kaang, BK 2011, 'PI3KÎ 3 is required for NMDA receptorg - Dependent long-term depression and behavioral flexibility', Nature Neuroscience, vol. 14, no. 11, pp. 1447-1454. https://doi.org/10.1038/nn.2937
Kim, Jae Ick ; Lee, Hye Ryeon ; Sim, Su Eon ; Baek, Jinhee ; Yu, Nam Kyung ; Choi, Jun Hyeok ; Ko, Hyoung Gon ; Lee, Yong Seok ; Park, Soo Won ; Kwak, Chuljung ; Ahn, Sung Ji ; Choi, So Yoen ; Kim, Hyun ; Kim, Kyoung Han ; Backx, Peter H. ; Bradley, Clarrisa A. ; Kim, Eunjoon ; Jang, Deok Jin ; Lee, Kyungmin ; Kim, Sang Jeong ; Zhuo, Min ; Collingridge, Graham L. ; Kaang, Bong Kiun. / PI3KÎ 3 is required for NMDA receptorg - Dependent long-term depression and behavioral flexibility. In: Nature Neuroscience. 2011 ; Vol. 14, No. 11. pp. 1447-1454.
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