7-Nitroindazole blocks nicotine-induced conditioned place prefrence but not LiCl-induced conditioned place aversion

Julio L. Martin, Yossef Itzhak

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

We have shown previously that the neuronal nitric oxide synthase (nNOS) is involved in the rewarding effect of cocaine as determined by the conditioned place preference (CPP) paradigm, in the present study we investigated the effect of the nNOS inhibitor 7-nitroindazole (7-NI) on nicotine-induced CPP and LiCl-induced conditioned place aversion (CPA) in Swiss Webstr mice. Mice treated with nicotine (0.5 mg/kg) or saline every other day for 8 days (four drug and four salien sessions) developed CPP that was completely blocked by pretreatment with 7-NI (25 mg/kg). Mice treated with LiCl (150 mg/kg) developed marked aversion to the LiCl-paired compartment LiCl-induced CPA was not affected by the pretreatment with 7-NI. These findings suggest that nitric oxide (NO) plays a role in the acquisition of reward but not of aversion and that the blockade of nicotine-induced CPP is probably not due to impairment of learning and memory. (C) 2000 Lippincott Williams and Wilkins.

Original languageEnglish
Pages (from-to)947-949
Number of pages3
JournalNeuroReport
Volume11
Issue number5
StatePublished - Apr 7 2000

Fingerprint

Nicotine
Nitric Oxide Synthase Type I
Reward
Cocaine
Nitric Oxide
Learning
Pharmaceutical Preparations
7-nitroindazole

Keywords

  • 7- Nitroindazole (7-NI)
  • Aversion
  • Lithium chloride (LiCl)
  • Nicotine
  • Nitric oxide (NO)
  • Reward

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

7-Nitroindazole blocks nicotine-induced conditioned place prefrence but not LiCl-induced conditioned place aversion. / Martin, Julio L.; Itzhak, Yossef.

In: NeuroReport, Vol. 11, No. 5, 07.04.2000, p. 947-949.

Research output: Contribution to journalArticle

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