Abstract:
:Ayahuasca is a psychoactive concoction prepared from the plants Banisteriopsis caapi and Psychotria viridis which are used ancestrally by Amazonian Indian populations and more recently, by Christian religious groups in Brazil and other countries. The aims of the present study were to identify the effects of ayahuasca on zebrafish embryo development and neurobehavior. Toxicity and developmental endpoints for zebrafish embryos were assessed from 0 to 1000 mg/L over 96 h of exposure. The effects on locomotor activity of zebrafish larvae were assessed using a video tracking system (ZebraBox) from 0 to 20 mg/L and after 120 and 144 h of exposure. The LC50 of ayahuasca in zebrafish was determined as 236.3 mg/L. Ayahuasca exposure caused significant developmental anomalies in zebrafish embryos, mainly at the highest concentration tested, including hatching delay, loss of equilibrium, edema and the accumulation of red blood cells. Embryo behavior was also significantly affected, with decreased locomotor activity at the highest concentration tested. These results are in accordance with data obtained in mammal studies highlighting the possible risks of uncontrolled use of ayahuasca. Further research employing more specific behavior analysis could provide additional data on both therapeutic benefits and possible toxicological risk of ayahuasca.
journal_name
Chem Biol Interactjournal_title
Chemico-biological interactionsauthors
Andrade TS,de Oliveira R,da Silva ML,Von Zuben MV,Grisolia CK,Domingues I,Caldas ED,Pic-Taylor Adoi
10.1016/j.cbi.2018.08.001subject
Has Abstractpub_date
2018-09-25 00:00:00pages
133-140eissn
0009-2797issn
1872-7786pii
S0009-2797(18)30615-Xjournal_volume
293pub_type
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