ATP receptors in the central nervous system

Research output: Contribution to journalReview article

1 Citation (Scopus)

Abstract

ATP receptors in the central nervous system (CNS) are divided into 2 major classes, ionotropic (P2Xn) and G protein-coupled (P2Yn) ATP receptors. P2Xn receptors, a member of the 2-transmembrane family, contain non-selective cation channels that may play a role in rapid synaptic transmission. Seven subtypes of P2Xn were reported so far. Although all of these subtypes are distributed in the CNS, P2X4 and P2X6 are most abundantly and widely distributed. P2X3 is distributed only in trigeminal ganglia neurons as well as in small-diameter DRG neurons, suggesting their relation to pain. P2Yn receptors, a member of the 7-transmembrane superfamily, are coupled with G(q/11) to activate PLCβ. These receptors are thought to play an important role in the modulation of synaptic efficacy. Seven subtypes of P2Yn were reported so far. P2Y1, P2Y2, P2Y3 and P2Y4 are distributed in the CNS. Neither selective agonists nor antagonists to P2Xn and P2Yn are known.

Original languageEnglish
Pages (from-to)173-182
Number of pages10
JournalFolia Pharmacologica Japonica
Volume110
Issue number4
DOIs
Publication statusPublished - Jan 1 1997
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Pharmacology

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