2018
DOI: 10.22571/2526-433843
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Dimetiltriptamina: alcalóide alucinógeno e seus efeitos no Sistema Nervoso Central

Abstract: ResumoPlantas alucinógenas são bastante utilizadas em rituais e cultos religiosos. O chá de Ayahuasca e o vinho da Jurema preta, bebidas alucinógenas, apresentam o alcalóide dimetiltriptamina (DMT), responsável pelo efeito alucinógeno devido a interação com receptores serotoninérgicos no sistema nervoso central (SNC). O objetivo da pesquisa foi esclarecer os mecanismos de ação e os efeitos da DMT presente em bebidas alúcinógenas das espécies Mimosa tenuiflora (jurema preta), Banisteriopsis caapi (jagube ou cip… Show more

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Cited by 3 publications
(9 citation statements)
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“…Meanwhile, Queen snuff presents psychoactive effects from the alkaloid dimethyltryptamine (DMT), which, due to its structural properties very similar to serotonin, competes with it for its receptors (Almeida, Silva, & Assis, 2018). The administration of this alkaloid intranasal allows a rapid onset of action, also considering its direct activity in the central nervous system.…”
Section: Discussionmentioning
confidence: 99%
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“…Meanwhile, Queen snuff presents psychoactive effects from the alkaloid dimethyltryptamine (DMT), which, due to its structural properties very similar to serotonin, competes with it for its receptors (Almeida, Silva, & Assis, 2018). The administration of this alkaloid intranasal allows a rapid onset of action, also considering its direct activity in the central nervous system.…”
Section: Discussionmentioning
confidence: 99%
“…The administration of this alkaloid intranasal allows a rapid onset of action, also considering its direct activity in the central nervous system. The inhibitory activity of the monoamine oxidase (MAO) enzyme by β-carbolines present in Cipó-Mariri (B. caapi) (Almeida et al, 2018) does not appear to trigger a significant physiological effect through this administration route, since these enzymes are only present in the liver and intestine. However, these β-carbolines also act by inhibiting the activity of the serotonin-receiving enzyme (Pires, Oliveira, & Yonamine, 2010), which increases the availability of this neurotransmitter potentiating the psychoactive effects of Queen snuff.…”
Section: Discussionmentioning
confidence: 99%
“…O chá de ayahuasca, também conhecido por caapi, daime, dapa, hoasca, kahi, kamarampi, mihi, natema, nixipae, pindé, vegetal e yajé de acordo com a região geográfica, tem sua consumação expandida nos últimos anos, principalmente, por grupos não indígenas, com o intuito de expansão de consciência e, inclusive, a busca pelo êxtase. Traduzida da língua quéchua, idioma indígena de origem peruana, para o português temos a expressão "corda dos mortos", em que "aya" significa pessoa morta e espírito, enquanto "waska" corda, liana e cipó (1)(2)(3) .…”
Section: Introductionunclassified
“…O chá de ayahuasca aumenta os níveis de serotonina no Sistema Nervoso Central (SNC) e periferia, devido as betas carbonilas (harmalina, harmina e tetraidro-harmina) nele compostas, que são inibidoras reversíveis da enzima monoaminaoxidase (MAO), uma enzima presente no neurônio serotoninérgico que promove a sua degradação (1)(2)6) .…”
Section: Introductionunclassified
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