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Dexamethasone modifies the behavioral effects induced by clonidine in mice
A Capasso1, A Di Giannuario, A Loizzo
1School of Pharmacy, University of Salerno, Italy.
General Pharmacology
|December 1, 1996
Summary
Dexamethasone, a steroid, was tested for its effects on clonidine-induced behaviors in mice. High doses of dexamethasone significantly reduced clonidine
Area of Science:
- Neuropharmacology
- Behavioral Neuroscience
Background:
- Clonidine is known to induce behavioral changes.
- The influence of steroids like dexamethasone on these effects requires investigation.
Purpose of the Study:
- To investigate the impact of dexamethasone on clonidine-induced behavioral alterations in mice.
- To explore potential interactions within the monoaminergic system.
Main Methods:
- Mice were administered varying doses of clonidine (0.1-1.0 mg/kg) and dexamethasone (0.1-1.0 mg/kg).
- Behavioral elements including locomotor activity, rota rod performance, catalepsy, and stereotyped behaviors were assessed.
- Effects were recorded over a 120-minute period post-administration.
Main Results:
- Clonidine significantly reduced all measured behavioral elements.
- Dexamethasone alone did not cause significant behavioral changes.
- High-dose dexamethasone (1 mg/kg) significantly attenuated clonidine-induced behavioral inhibition.
Conclusions:
- Dexamethasone exhibits significant modulatory effects on clonidine-induced behaviors.
- These interactions may involve interference with the monoaminergic system.