The delta2-opioid receptor antagonist naltriben selectively attenuates alcohol intake in rats bred for alcohol preference

S. Krishnan-Sarin, P. S. Portoghese, T. K. Li, Janice Froehlich

Research output: Contribution to journalArticle

95 Citations (Scopus)

Abstract

The relative importance of different opioid receptor types in mediating alcohol drinking behavior compared with the intake of other ingesta can be determined by characterizing the effects of selective opioid antagonists on the intake of various ingesta. Nonselective opioid receptor antagonists suppress the intake of many ingesta including alcohol, food, water, and sweets. Two distinct subtypes of delta-opioid receptors, delta1 and delta2, have recently been identified in rodent brain. We have previously reported that naltrindole (NTI), which blocks both delta1 and delta2 receptors, suppresses both alcohol and saccharin intake in rats selectively bred for high alcohol preference (P line). We now report that naltriben (NTB), an opioid antagonist that is selective for delta2-opioid receptors, suppresses alcohol intake in rats of the P Une and the effect appears to be both specific for alcohol and independent of alcohol palatability. NTB may reduce alcohol intake by attenuating the reinforcing pharmacological properties of alcohol.

Original languageEnglish
Pages (from-to)153-159
Number of pages7
JournalPharmacology Biochemistry and Behavior
Volume52
Issue number1
DOIs
StatePublished - 1995

Fingerprint

Narcotic Antagonists
Rats
Alcohols
naltrindole
Opioid Receptors
Saccharin
Drinking Behavior
delta Opioid Receptor
naltrindole benzofuran
Alcohol Drinking
Rodentia
Brain
Pharmacology
Food
Water

Keywords

  • Alcohol drinking
  • Alcohol palatability
  • Naltriben
  • Opioid receptor antagonists
  • Selectively bred rat lines

ASJC Scopus subject areas

  • Biochemistry
  • Clinical Biochemistry
  • Behavioral Neuroscience
  • Biological Psychiatry
  • Pharmacology
  • Toxicology

Cite this

The delta2-opioid receptor antagonist naltriben selectively attenuates alcohol intake in rats bred for alcohol preference. / Krishnan-Sarin, S.; Portoghese, P. S.; Li, T. K.; Froehlich, Janice.

In: Pharmacology Biochemistry and Behavior, Vol. 52, No. 1, 1995, p. 153-159.

Research output: Contribution to journalArticle

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