Oxytocin-induced analgesia and scratching are mediated by the vasopressin-1A receptor in the mouse

Ara Schorscher-Petcu, Susana Sotocinal, Sorana Ciura, Anouk Dupré, Jennifer Ritchie, Robert E. Sorge, Jacqueline Crawley, Shuang Bao Hu, Katsuhiko Nishimori, Larry J. Young, Eliane Tribollet, Rémi Quirion, Jeffrey S. Mogil

Research output: Contribution to journalArticle

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Abstract

The neuropeptides oxytocin (OXT) and arginine vasopressin (AVP) contribute to the regulation of diverse cognitive and physiological functions including nociception. Indeed, OXT has been reported to be analgesic when administered directly into the brain, the spinal cord, or systemically. Here, we characterized the phenotype of oxytocin receptor (OTR) and vasopressin-1A receptor (V1AR) null mutant mice in a battery of pain assays. Surprisingly, OTR knock-out mice displayed a pain phenotype identical to their wild-type littermates. Moreover, systemic administration of OXT dose-dependently produced analgesia in both wild-type and OTR knock-out mice in three different assays, the radiant-heat paw withdrawal test, the von Frey test of mechanical sensitivity, and the formalin test of inflammatory nociception. In contrast, OXT-induced analgesia was completely absent in V1AR knock-out mice. In wild-type mice, OXT-induced analgesia could be fully prevented by pretreatment with a V1AR but not an OTR antagonist. Receptor binding studies demonstrated that the distribution of OXT and AVP binding sites in mouse lumbar spinal cord resembles the pattern observed in rat. AVP binding sites diffusely label the lumbar spinal cord, whereas OXT binding sites cluster in the substantia gelatinosa of the dorsal horn. In contrast, quantitative real-time reverse transcription (RT)-PCR revealed that V1AR but not OTR mRNA is abundantly expressed in mouse dorsal root ganglia, where it localizes to small- and medium-diameter cells as shown by single-cell RT-PCR. Hence, V1ARs expressed in dorsal root ganglia might represent a previously unrecognized target for the analgesic action of OXT and AVP.

Original languageEnglish (US)
Pages (from-to)8274-8284
Number of pages11
JournalJournal of Neuroscience
Volume30
Issue number24
DOIs
StatePublished - Jun 16 2010
Externally publishedYes

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Vasopressin Receptors
Oxytocin
Analgesia
Oxytocin Receptors
Arginine Vasopressin
Spinal Cord
Knockout Mice
Nociception
Binding Sites
Spinal Ganglia
Reverse Transcription
Analgesics
Substantia Gelatinosa
Phenotype
Pain
Polymerase Chain Reaction
Pain Measurement
Neuropeptides
Cognition
Hot Temperature

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Schorscher-Petcu, A., Sotocinal, S., Ciura, S., Dupré, A., Ritchie, J., Sorge, R. E., ... Mogil, J. S. (2010). Oxytocin-induced analgesia and scratching are mediated by the vasopressin-1A receptor in the mouse. Journal of Neuroscience, 30(24), 8274-8284. https://doi.org/10.1523/JNEUROSCI.1594-10.2010

Oxytocin-induced analgesia and scratching are mediated by the vasopressin-1A receptor in the mouse. / Schorscher-Petcu, Ara; Sotocinal, Susana; Ciura, Sorana; Dupré, Anouk; Ritchie, Jennifer; Sorge, Robert E.; Crawley, Jacqueline; Hu, Shuang Bao; Nishimori, Katsuhiko; Young, Larry J.; Tribollet, Eliane; Quirion, Rémi; Mogil, Jeffrey S.

In: Journal of Neuroscience, Vol. 30, No. 24, 16.06.2010, p. 8274-8284.

Research output: Contribution to journalArticle

Schorscher-Petcu, A, Sotocinal, S, Ciura, S, Dupré, A, Ritchie, J, Sorge, RE, Crawley, J, Hu, SB, Nishimori, K, Young, LJ, Tribollet, E, Quirion, R & Mogil, JS 2010, 'Oxytocin-induced analgesia and scratching are mediated by the vasopressin-1A receptor in the mouse', Journal of Neuroscience, vol. 30, no. 24, pp. 8274-8284. https://doi.org/10.1523/JNEUROSCI.1594-10.2010
Schorscher-Petcu A, Sotocinal S, Ciura S, Dupré A, Ritchie J, Sorge RE et al. Oxytocin-induced analgesia and scratching are mediated by the vasopressin-1A receptor in the mouse. Journal of Neuroscience. 2010 Jun 16;30(24):8274-8284. https://doi.org/10.1523/JNEUROSCI.1594-10.2010
Schorscher-Petcu, Ara ; Sotocinal, Susana ; Ciura, Sorana ; Dupré, Anouk ; Ritchie, Jennifer ; Sorge, Robert E. ; Crawley, Jacqueline ; Hu, Shuang Bao ; Nishimori, Katsuhiko ; Young, Larry J. ; Tribollet, Eliane ; Quirion, Rémi ; Mogil, Jeffrey S. / Oxytocin-induced analgesia and scratching are mediated by the vasopressin-1A receptor in the mouse. In: Journal of Neuroscience. 2010 ; Vol. 30, No. 24. pp. 8274-8284.
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AU - Sorge, Robert E.

AU - Crawley, Jacqueline

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AU - Nishimori, Katsuhiko

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