Essential role of NMDA receptor channel ε4 subunit (GluN2D) in the effects of hencyclidine, but not methamphetamine

Yoko Hagino, Shinya Kasai, Wenhua Han, Hideko Yamamoto, Toshitaka Nabeshima, Masayoshi Mishina, Kazutaka Ikeda

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Phencyclidine (PCP), a noncompetitive N-methyl-D-aspartate (NMDA) receptor antagonist, increases locomotor activity inrodents and causes schizophrenia-like symptoms in humans. Although activation of the dopamine (DA) pathway is hypothesized to mediate these effects of PCP, the precise mechanisms by which PCP induces its effects remain to be elucidated. The present study investigated the effect of PCP on extracellular levels of DA (DAex) in the striatum and prefrontal cortex (PFC) using in vivo microdialysis in mice lacking the NMDA receptor channel e1 or e4 subunit (GluRε1 [GluN2A] or GluRε4 [GluN2D]) and locomotor activity. PCP significantly increased DAex in wildtype and GluRε1 knockout mice, but not in luRe4 knockout mice, in the striatum and PFC. Acute and repeated administration of PCP did not increase locomotor activity in GluRε4 knockout mice. The present results suggest that PCP enhances dopaminergic transmission and increases locomotor activity by acting at GluRε4.

Original languageEnglish
Article numbere13722
JournalPloS one
Volume5
Issue number10
DOIs
Publication statusPublished - 17-11-2010
Externally publishedYes

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Methamphetamine
aspartic acid
Locomotion
N-Methyl-D-Aspartate Receptors
locomotion
Dopamine
Knockout Mice
Phencyclidine
receptors
mice
Prefrontal Cortex
dopamine
Chemical activation
Microdialysis
signs and symptoms (animals and humans)
antagonists
Schizophrenia
prefrontal cortex

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Hagino, Yoko ; Kasai, Shinya ; Han, Wenhua ; Yamamoto, Hideko ; Nabeshima, Toshitaka ; Mishina, Masayoshi ; Ikeda, Kazutaka. / Essential role of NMDA receptor channel ε4 subunit (GluN2D) in the effects of hencyclidine, but not methamphetamine. In: PloS one. 2010 ; Vol. 5, No. 10.
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Essential role of NMDA receptor channel ε4 subunit (GluN2D) in the effects of hencyclidine, but not methamphetamine. / Hagino, Yoko; Kasai, Shinya; Han, Wenhua; Yamamoto, Hideko; Nabeshima, Toshitaka; Mishina, Masayoshi; Ikeda, Kazutaka.

In: PloS one, Vol. 5, No. 10, e13722, 17.11.2010.

Research output: Contribution to journalArticle

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