Modulation of NMDA receptors by ACh in the central nervous system

Nobutoshi Harata, Satoru Ebihara, Norio Akaike

    研究成果: Article査読

    5 被引用数 (Scopus)

    抄録

    Harata, Nobutoshi, Satoru Ebihara and Norio Akaike: Modulation of NMDA Receptors by ACh in The Central Nervous System. Prog. Neuro-Psychopharmacol. & Biol. Psychiat. 1992, 16(6): 977-984. 1. 1. The effect of acetylcholine (ACh) on N-methyl-d-aspartate (NMDA)-induced responses in neurons acutely dissociated from the rat nucleus basalis of Meynert (nBM) was investigated with a conventional patch-clamp technique. 2. 2. The whole-cell recording revealed that NMDA-induced inward current (INMDA) consisted of transient peak and successive steady-state components. 3. 3. With outside-out recording, these components were shown to have the identical single channel conductance. 4. 4. Pretreating the nBM neurons with the low concentration of ACh suppressed the peak component of (INMDA), whear as high concentration potentiated it. 5. 5. The modulatory action of ACh was observed in nBM neurons dissociated from mature rats. The action was deficient, however, in those from immature animals. 6. 6. These results suggest that ACh is either an inhibitory or an excitatory modulator of glutamatergic transmission in the central nervous system.

    本文言語English
    ページ(範囲)977-984
    ページ数8
    ジャーナルProgress in Neuropsychopharmacology and Biological Psychiatry
    16
    6
    DOI
    出版ステータスPublished - 1992 11

    ASJC Scopus subject areas

    • Pharmacology
    • Biological Psychiatry

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