Multiple opiate receptors: Emerging concepts

R. Suzanne Zukin, Stephen R. Zukin

Research output: Contribution to journalArticle

165 Citations (Scopus)

Abstract

Increasing biochemical evidence indicates that the wide spectrum of opiate pharmacological actions are mediated via heterogeneous classes of receptors. μ receptors have been identified as the high affinity sites where morphine-like opiates exert their analgesic effects. δ receptors have a somewhat different CNS distribution and have been identified as sites relatively selective for the naturally occuring enkephalins. Recent biochemical studies provide evidence for two additional classes of opiate receptor sites which were originally proposed on the basis of physiological studies. Ketocyclazocine-like opiates produce their unique ataxic and sedative effects via interaction with K receptors, and SKF-10,047 (N-allylnorcyclazocine) and related opiates produce stimulant and psychotomimetic effects via interactions with σ receptors. Many opiate drugs interact at multiple receptor sites. Thus, the constellation of neuropharmacological actions of a particular opioid ligand may reflect its various potencies at a combination of μ, δ, K, and σ receptors.

Original languageEnglish (US)
Pages (from-to)2681-2690
Number of pages10
JournalLife Sciences
Volume29
Issue number26
DOIs
StatePublished - Dec 28 1981

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Opiate Alkaloids
Opioid Receptors
Enkephalins
Hypnotics and Sedatives
Morphine
Opioid Analgesics
Analgesics
Pharmacology
Ligands
Pharmaceutical Preparations

ASJC Scopus subject areas

  • Pharmacology

Cite this

Multiple opiate receptors : Emerging concepts. / Zukin, R. Suzanne; Zukin, Stephen R.

In: Life Sciences, Vol. 29, No. 26, 28.12.1981, p. 2681-2690.

Research output: Contribution to journalArticle

Zukin, R. Suzanne ; Zukin, Stephen R. / Multiple opiate receptors : Emerging concepts. In: Life Sciences. 1981 ; Vol. 29, No. 26. pp. 2681-2690.
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