Effects of calcium antagonists on phencyclidine behaviors

G. T. Bolger, M. F. Rafferty, Jacqueline Crawley, S. M. Paul, P. Skolnick

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The calcium antagonists nifedipine and verapamil were evaluated for their potentil behavioral interactions with phencyclidine induced changes in mouse rotarod performance and motor activity. Nifedipine (2 and 10 mg/kg) and verapamil (2 mg/kg) significantly potentiated impairment of rotarod performance produced by phencyclidine. These doses of nifedipine and verapamil did not by themselves affect rotarod performance. This action does not appear to be dependent on the hypotensive properties of these drugs, since hypotensive doses of prazosin did not alter the effect of phencyclidine on rotarod performance. Nifedipine, 4.0 mg/kg, antagonized increases in ambulatory motor activity, and potentiated decreases in vertical motor activity (rearing) induced by phencyclidine. The effects of calcium antagonists to alter the behavioral actions of phencyclidine in mice may occur through an interaction with the dihydropyridine calcium antagonist binding site present in the central nervous system.

Original languageEnglish (US)
Pages (from-to)45-49
Number of pages5
JournalPharmacology, Biochemistry and Behavior
Volume25
Issue number1
DOIs
StatePublished - 1986
Externally publishedYes

Fingerprint

Phencyclidine
Nifedipine
Calcium
Verapamil
Motor Activity
Prazosin
Neurology
Central Nervous System
Binding Sites
Pharmaceutical Preparations

Keywords

  • Calcium antagonist
  • Dihydropyridine
  • Nifedipine
  • Phencyclidine
  • Verapamil

ASJC Scopus subject areas

  • Biochemistry
  • Behavioral Neuroscience
  • Pharmacology

Cite this

Effects of calcium antagonists on phencyclidine behaviors. / Bolger, G. T.; Rafferty, M. F.; Crawley, Jacqueline; Paul, S. M.; Skolnick, P.

In: Pharmacology, Biochemistry and Behavior, Vol. 25, No. 1, 1986, p. 45-49.

Research output: Contribution to journalArticle

Bolger, G. T. ; Rafferty, M. F. ; Crawley, Jacqueline ; Paul, S. M. ; Skolnick, P. / Effects of calcium antagonists on phencyclidine behaviors. In: Pharmacology, Biochemistry and Behavior. 1986 ; Vol. 25, No. 1. pp. 45-49.
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