Tabernanthine is an alkaloid found in Tabernanthe iboga. It has been used in laboratory experiments to study how addiction affects the brain. Tabernanthine persistently reduced the self-administration of cocaine and morphine in rats.
Pharmacology It is kappa opioid agonist (Ki = 0.15 μM) and NMDA receptor (Ki = 10.5 μM) antagonist. Compared to ibogaine, it binds weakly to σ1 and σ2 receptors.
See also Coronaridine Ibogamine Voacangine Tabernaemontanine Tabernanthalog
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