PMID: 8950303Jan 1, 1996Paper

The effect of naloxone on spontaneous and evoked dopamine release in the central and peripheral nervous systems

Life Sciences
J J Feigenbaum, S G Howard

Abstract

A number of studies have reported that the opiate antagonist naloxone (NX) inhibits behaviors dependent upon central dopamine (DA) release. However, equally compelling evidence from other studies suggests that NX excites a facilitatory effect. The present review was undertaken to resolve the issue by critically evaluating the effects of NX on DA release; the substrate subserving these behaviors. Included are studies reporting an effect of NX on spontaneous as well as drug altered DA release in various central regions. In the preponderant majority of these studies, NX was found to significantly enhance DA release in the virtually every major DA pathway, irrespective of whether DA release was initially stimulated or inhibited by various agents. It is concluded that NX most probably enhances behaviors induced by DA release, especially when administered in low, specific doses. Studies finding an inhibitory effect of NX on such behaviors may inadvertently produce conditions which mask the stimulatory effects of NX on DA release-dependent behaviors.

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Citations

Jan 1, 1997·Peptides·G A OlsonA J Kastin
Nov 9, 2000·The European Journal of Neuroscience·J RossiM S Airaksinen
Oct 12, 2017·FASEB Journal : Official Publication of the Federation of American Societies for Experimental Biology·Renata A N PertileDarryl W Eyles
Jul 25, 2019·Frontiers in Neuroscience·Sandeep KumarSoumya Iyengar

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