ATP receptors in pain

Research output: Contribution to journalReview article

1 Citation (Scopus)

Abstract

Extracellular ATP has been known to activate sensory neurons via the ATP-gated ion channels P2X receptors, leading to the proposal that the P2X receptors may play a role in signal transduction of pain from the peripheral site to the spinal cord in vivo. P2X3 receptors are expressed in capsaicin-sensitive small-sized dorsal root ganglion (DRG) neurons, and they are involved in the generation of rapidly desensitizing inward current and evoking nocifensive behavior and thermal hyperalgesia. Heteromeric P2X2/3 (P2X2 and P2X3) receptor is expressed in capsaicin-insensitive primary afferent fibers, and its activation leads to the generation of slow desensitizing currents and induction of mechanical allodynia. In addition, accumulating information suggests the involvement of G protein-coupled ATP receptors in the modulation of the generation and transmission of pain.

Original languageEnglish
Pages (from-to)343-350
Number of pages8
JournalFolia Pharmacologica Japonica
Volume116
Issue number6
DOIs
Publication statusPublished - Jan 1 2000
Externally publishedYes

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Purinergic P2X3 Receptors
Purinergic P2 Receptors
Capsaicin
Hyperalgesia
Purinergic P2X2 Receptors
Adenosine Triphosphate
Pain
Spinal Ganglia
Sensory Receptor Cells
G-Protein-Coupled Receptors
Ion Channels
Signal Transduction
Spinal Cord
Neurons

All Science Journal Classification (ASJC) codes

  • Pharmacology

Cite this

ATP receptors in pain. / Makoto, Tsuda; Koizumi, S.; Inoue, Kazuhide.

In: Folia Pharmacologica Japonica, Vol. 116, No. 6, 01.01.2000, p. 343-350.

Research output: Contribution to journalReview article

Makoto, Tsuda ; Koizumi, S. ; Inoue, Kazuhide. / ATP receptors in pain. In: Folia Pharmacologica Japonica. 2000 ; Vol. 116, No. 6. pp. 343-350.
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