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Effects of ethylenediamine on morphine analgesia and tolerance-dependence in mice
General Pharmacology
|January 1, 1985
Abstract:
Ethylenediamine, a GABA receptor agonist induced a small hyperalgesic state in mice, but increased morphine analgesia. The interaction with this morphine effect was not dose-dependent. Ethylenediamine significantly antagonized tolerance development at relatively low doses (5-10 mg/kg). The GABA mimetic agent increased the frequency of abstinence signs in the naloxone-precipitated morphine withdrawal in mice. The effect of ethylenediamine on morphine withdrawal was suppressed by the irreversible GABA transaminase inhibitor, gamma-vinyl GABA.