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mu- but not delta- and kappa-opioid receptor mediates the nucleus submedius interferon-alpha-evoked antinociception in the rat.
Neurosci Lett. 2006 Apr 24; 397(3):254-8.NL

Abstract

Previous studies have indicated that interferon-alpha (IFN-alpha) can bind to opioid receptors and exerts an antinociceptive effect in both peripheral and central nervous systems. The current study investigated the antinociceptive effect of IFN-alpha unilaterally microinjected into the thalamic nucleus submedius (Sm) of rats on noxious thermal stimulus, and the roles of different subtypes of opioid receptors in mediating the Sm IFN-alpha-evoked antinociception. The results indicated that unilateral microinjection of IFN-alpha (4, 8, 16 pmol) into the Sm dose-dependently increased the hind paw withdrawal latency from the noxious heat stimulus, and this effect was reversed by pretreatment with non-selective opioid receptor antagonist naloxone (200 pmol) and specific mu-opioid receptor antagonist beta-FNA (1 nmol) into the same sites, whereas delta-opioid receptor antagonist ICI174,864 (1 nmol) and kappa-opioid receptor antagonist nor-BNI (1 nmol) failed to alter the effect of IFN-alpha. These results suggest that Sm is involved in IFN-alpha-evoked antinociception and mu- but not delta- and kappa-opioid receptor mediates the Sm IFN-alpha-evoked antinociception.

Authors+Show Affiliations

Department of Immunology and Pathogenic Biology, Xi'an Jiaotong University School of Medicine, Xi'an, Shaanxi 710061, PR China.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

16406668

Citation

Wang, Jun-Yang, et al. "Mu- but Not Delta- and Kappa-opioid Receptor Mediates the Nucleus Submedius Interferon-alpha-evoked Antinociception in the Rat." Neuroscience Letters, vol. 397, no. 3, 2006, pp. 254-8.
Wang JY, Zeng XY, Fan GX, et al. Mu- but not delta- and kappa-opioid receptor mediates the nucleus submedius interferon-alpha-evoked antinociception in the rat. Neurosci Lett. 2006;397(3):254-8.
Wang, J. Y., Zeng, X. Y., Fan, G. X., Yuan, Y. K., & Tang, J. S. (2006). Mu- but not delta- and kappa-opioid receptor mediates the nucleus submedius interferon-alpha-evoked antinociception in the rat. Neuroscience Letters, 397(3), 254-8.
Wang JY, et al. Mu- but Not Delta- and Kappa-opioid Receptor Mediates the Nucleus Submedius Interferon-alpha-evoked Antinociception in the Rat. Neurosci Lett. 2006 Apr 24;397(3):254-8. PubMed PMID: 16406668.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - mu- but not delta- and kappa-opioid receptor mediates the nucleus submedius interferon-alpha-evoked antinociception in the rat. AU - Wang,Jun-Yang, AU - Zeng,Xiao-Yan, AU - Fan,Gui-Xiang, AU - Yuan,Yu-Kang, AU - Tang,Jing-Shi, Y1 - 2006/01/09/ PY - 2005/11/08/received PY - 2005/12/12/revised PY - 2005/12/12/accepted PY - 2006/1/13/pubmed PY - 2006/5/5/medline PY - 2006/1/13/entrez SP - 254 EP - 8 JF - Neuroscience letters JO - Neurosci Lett VL - 397 IS - 3 N2 - Previous studies have indicated that interferon-alpha (IFN-alpha) can bind to opioid receptors and exerts an antinociceptive effect in both peripheral and central nervous systems. The current study investigated the antinociceptive effect of IFN-alpha unilaterally microinjected into the thalamic nucleus submedius (Sm) of rats on noxious thermal stimulus, and the roles of different subtypes of opioid receptors in mediating the Sm IFN-alpha-evoked antinociception. The results indicated that unilateral microinjection of IFN-alpha (4, 8, 16 pmol) into the Sm dose-dependently increased the hind paw withdrawal latency from the noxious heat stimulus, and this effect was reversed by pretreatment with non-selective opioid receptor antagonist naloxone (200 pmol) and specific mu-opioid receptor antagonist beta-FNA (1 nmol) into the same sites, whereas delta-opioid receptor antagonist ICI174,864 (1 nmol) and kappa-opioid receptor antagonist nor-BNI (1 nmol) failed to alter the effect of IFN-alpha. These results suggest that Sm is involved in IFN-alpha-evoked antinociception and mu- but not delta- and kappa-opioid receptor mediates the Sm IFN-alpha-evoked antinociception. SN - 0304-3940 UR - https://www.unboundmedicine.com/medline/citation/16406668/mu__but_not_delta__and_kappa_opioid_receptor_mediates_the_nucleus_submedius_interferon_alpha_evoked_antinociception_in_the_rat_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0304-3940(05)01441-2 DB - PRIME DP - Unbound Medicine ER -