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Can Ayahuasca and sleep loss change sexual performance in male rats?
Alvarenga, T A; Polesel, D N; Matos, G; Garcia, V A; Costa, J L; Tufik, S; Andersen, M L.
Afiliação
  • Alvarenga TA; Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
  • Polesel DN; Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
  • Matos G; Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
  • Garcia VA; Laboratório de Neurobiologia e Desenvolvimento, Faculdade de Biociências, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, Brazil.
  • Costa JL; Forensic Toxicology and Chemistry Laboratory, Criminalistics Institute of São Paulo, São Paulo, SP, Brazil.
  • Tufik S; Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
  • Andersen ML; Departamento de Psicobiologia, Universidade Federal de São Paulo, São Paulo, SP, Brazil. Electronic address: ml.andersen12@gmail.br.
Behav Processes ; 108: 110-6, 2014 Oct.
Article em En | MEDLINE | ID: mdl-25256159
The ingestion of the beverage Ayahuasca usually occurs in religious ceremonies that are performed during the night leading to sleep deprivation. The purpose of the present study was to characterize the acute effects of Ayahuasca upon the sexual response of sleep deprived male rats. One group of sexually experienced male Wistar rats were submitted to a paradoxical sleep deprivation (PSD) protocol for 96h, while another group spent the same amount of time in the home cage (CTRL). After this period, either saline or Ayahuasca drink (250, 500 and 1000µgmL(-1)) was administered by gavage and sexual behavior and hormonal concentrations were measured. Ayahuasca alone significantly decreased sexual performance at all doses. However, in sleep deprived rats, the lower dose increased sexual performance while the intermediate dose produced a detrimental effect on sexual response compared to the CTRL rats at the same dose. Regarding the hormonal analyses, a lower testosterone concentration was observed in sleep-deprived saline rats in relation to the CTRL group. Progesterone was significantly lower only in PSD rats at the dose 500µgmL(-1) compared with CTRL-500µgmL(-1) group. Corticosterone was unchanged among the groups evaluated. Our results suggest that Ayahuasca intake markedly impaired sexual performance alone, but, when combined with sleep deprivation, had significant, but heterogeneous, effects on male sexual response.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Comportamento Sexual Animal / Privação do Sono / Testosterona / Preparações de Plantas / Banisteriopsis Limite: Animals Idioma: En Revista: Behav Processes Ano de publicação: 2014 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Comportamento Sexual Animal / Privação do Sono / Testosterona / Preparações de Plantas / Banisteriopsis Limite: Animals Idioma: En Revista: Behav Processes Ano de publicação: 2014 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda