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Elena L. A. Malpezzi-Marinho

Universidade Estadual de Santa Cruz

2 papers in the library · 119 citations · publishing 2015-2022

Papers

Effects of ayahuasca on the development of ethanol-induced behavioral sensitization and on a post-sensitization treatment in mice

Physiology & Behavior January 28, 2015 A.j. Oliveira-Lima, Renato Antunes Dos Santos, A.w. Hollais et al. 91 citations

Ayahuasca, a hallucinogenic brew, prevents the development of ethanol-induced behavioral sensitization in mice and reverses established sensitization. A single dose (30–500 mg/kg) blocked the initiation of behavioral sensitization without affecting spontaneous movement. Higher doses (300 and 500 mg/kg) selectively reduced both acute and sensitized responses to ethanol. Eight consecutive days of ayahuasca (100 or 300 mg/kg) after sensitization was established blocked its expression upon a subsequent ethanol challenge. The results suggest ayahuasca may inhibit early addiction-related behaviors and reverse long-term drug effects when administered in the ethanol-associated environment.

Role of 5-HT2A receptors in the effects of ayahuasca on ethanol self-administration using a two-bottle choice paradigm in male mice

Psychopharmacology March 7, 2022 Yasmim A. Serra, Thaísa Barros-Santos, Alexia Anjos-Santos et al. 28 citations

In mice undergoing alcohol abstinence, treatment with ayahuasca blocked the return of alcohol self-administration. The effects depended on activation of the 5-HT2A receptor. The findings suggest that ayahuasca and other 5-HT2A receptor agonists could serve as adjunctive pharmacotherapies for alcohol use disorder.