Histochemical localization of opiate receptors and the enkephalins.

M. J. Kuhar, G. R. Uhl

Research output: Contribution to journalArticle

Abstract

It is possible to localize opiate receptors and opioid peptides by light microscopic histochemical methods. The receptors have been mapped by autoradiography with specifically bound 3H-diprenorphine. They are found in anatomical areas associated with physiologic functions known to be altered by opiate administration, as well as in other areas. There appear to be opiate receptors on axons and nerve terminals; some of these are probably for axo-axonic synapses in glomeruli. Some electrophysiologic studies are supportive of the autoradiographic results. Enkephalin-containing neurons can be revealed by immunohistochemistry. Often, although not always, the distribution of enkephalin-like immunoreactivity is similar to that of the opiate receptors. These results are compatible with the notion that the enkephalins are the endogenous substrates of the opiate receptors.

Original languageEnglish (US)
Pages (from-to)53-68
Number of pages16
JournalAdvances in biochemical psychopharmacology
Volume20
StatePublished - 1979
Externally publishedYes

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Enkephalins
Opioid Receptors
Opioid Peptides
Opiate Alkaloids
Diprenorphine
Presynaptic Terminals
Autoradiography
Synapses
Immunohistochemistry
Neurons
Light

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Histochemical localization of opiate receptors and the enkephalins. / Kuhar, M. J.; Uhl, G. R.

In: Advances in biochemical psychopharmacology, Vol. 20, 1979, p. 53-68.

Research output: Contribution to journalArticle

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