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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Neurochemical research 25 (2000), S. 1083-1087 
    ISSN: 1573-6903
    Keywords: Ibogaine ; [3H] MK-801 binding ; NMDA ; NMDA-induced convulsions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ibogaine, a putative antiaddictive drug, is remarkable in its apparent ability to downgrade withdrawal symptoms and drug craving for extended periods of time after a single dose. Ibogaine acts as a non-competitive NMDA receptor antagonist, while NMDA has been implicated in long lasting changes in neuronal function and in the physiological basis of drug addiction. The purpose of this study was to verify if persistent changes in NMDA receptors could be shown in vivo and in vitro after a single administration of ibogaine. The time course of ibogaine effects were examined on NMDA-induced seizures and [3H] MK-801 binding to cortical membranes in mice 30min, 24, 48, and 72h post treatment. Ibogaine (80 mg/kg, ip) was effective in inhibiting convulsions induced by NMDA at 24 and 72 hours post administration. Likewise, [3H] MK-801 binding was significantly decreased at 24 and 72 h post ibogaine. No significant differences from controls were found at 30min or 48h post ibogaine. This long lasting and complex pattern of modulation of NMDA receptors prompted by a single dose of ibogaine may be associated to its antiaddictive properties.
    Type of Medium: Electronic Resource
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