Central P2Y12 receptor blockade alleviates inflammatory and neuropathic pain and cytokine production in rodents

Gergely Horváth, Flóra Gölöncsér, Cecilia Csölle, Kornél Király, Rómeó D. Andó, Mária Baranyi, Bence Koványi, Zoltán Máté, Kristina Hoffmann, Irina Algaier, Younis Baqi, Christa E. Müller, Ivar Von Kügelgen, Beáta Sperlágh

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

In this study the role of P2Y12 receptors (P2Y12R) was explored in rodent models of inflammatory and neuropathic pain and in acute thermal nociception. In correlation with their activity to block the recombinant human P2Y12R, the majority of P2Y12R antagonists alleviated mechanical hyperalgesia dose-dependently, following intraplantar CFA injection, and after partial ligation of the sciatic nerve in rats. They also caused an increase in thermal nociceptive threshold in the hot plate test. Among the six P2Y12R antagonists evaluated in the pain studies, the selective P2Y12 receptor antagonist PSB-0739 was most potent upon intrathecal application.P2Y12R mRNA and IL-1β protein were time-dependently overexpressed in the rat hind paw and lumbar spinal cord following intraplantar CFA injection. This was accompanied by the upregulation of TNF-α, IL-6 and IL-10 in the hind paw. PSB-0739 (0.3mg/kg i.t.) attenuated CFA-induced expression of cytokines in the hind paw and of IL-1β in the spinal cord. Subdiaphragmatic vagotomy and the α7 nicotinic acetylcholine receptor antagonist MLA occluded the effect of PSB-0739 (i.t.) on pain behavior and peripheral cytokine induction. Denervation of sympathetic nerves by 6-OHDA pretreatment did not affect the action of PSB-0739. PSB-0739, in an analgesic dose, did not influence motor coordination and platelet aggregation. Genetic deletion of the P2Y12R in mice reproduced the effect of P2Y12R antagonists on mechanical hyperalgesia in inflammatory and neuropathic pain models, on acute thermal nociception and on the induction of spinal IL-1β.Here we report the robust involvement of the P2Y12R in inflammatory pain. The anti-hyperalgesic effect of P2Y12R antagonism could be mediated by the inhibition of both central and peripheral cytokine production and involves α7-receptor mediated efferent pathways.

Original languageEnglish
Pages (from-to)162-178
Number of pages17
JournalNeurobiology of Disease
Volume70
DOIs
Publication statusPublished - 2014

Fingerprint

Purinergic P2Y Receptor Antagonists
Neuralgia
Rodentia
Cytokines
Spinal Cord
Nociception
Hot Temperature
Hyperalgesia
Interleukin-1
Pain
Efferent Pathways
Injections
Sympathectomy
Interleukin-1 Receptors
Vagotomy
Oxidopamine
Nicotinic Receptors
Cholinergic Antagonists
Sciatic Nerve
Platelet Aggregation

Keywords

  • Inflammatory pain
  • Interleukin-1β
  • Neuropathic pain
  • Purine receptor
  • Spinal cord

ASJC Scopus subject areas

  • Neurology
  • Medicine(all)

Cite this

Horváth, G., Gölöncsér, F., Csölle, C., Király, K., Andó, R. D., Baranyi, M., ... Sperlágh, B. (2014). Central P2Y12 receptor blockade alleviates inflammatory and neuropathic pain and cytokine production in rodents. Neurobiology of Disease, 70, 162-178. https://doi.org/10.1016/j.nbd.2014.06.011

Central P2Y12 receptor blockade alleviates inflammatory and neuropathic pain and cytokine production in rodents. / Horváth, Gergely; Gölöncsér, Flóra; Csölle, Cecilia; Király, Kornél; Andó, Rómeó D.; Baranyi, Mária; Koványi, Bence; Máté, Zoltán; Hoffmann, Kristina; Algaier, Irina; Baqi, Younis; Müller, Christa E.; Von Kügelgen, Ivar; Sperlágh, Beáta.

In: Neurobiology of Disease, Vol. 70, 2014, p. 162-178.

Research output: Contribution to journalArticle

Horváth, G, Gölöncsér, F, Csölle, C, Király, K, Andó, RD, Baranyi, M, Koványi, B, Máté, Z, Hoffmann, K, Algaier, I, Baqi, Y, Müller, CE, Von Kügelgen, I & Sperlágh, B 2014, 'Central P2Y12 receptor blockade alleviates inflammatory and neuropathic pain and cytokine production in rodents', Neurobiology of Disease, vol. 70, pp. 162-178. https://doi.org/10.1016/j.nbd.2014.06.011
Horváth, Gergely ; Gölöncsér, Flóra ; Csölle, Cecilia ; Király, Kornél ; Andó, Rómeó D. ; Baranyi, Mária ; Koványi, Bence ; Máté, Zoltán ; Hoffmann, Kristina ; Algaier, Irina ; Baqi, Younis ; Müller, Christa E. ; Von Kügelgen, Ivar ; Sperlágh, Beáta. / Central P2Y12 receptor blockade alleviates inflammatory and neuropathic pain and cytokine production in rodents. In: Neurobiology of Disease. 2014 ; Vol. 70. pp. 162-178.
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