Dose dependent behavioral effects of acute alcohol administration in zebrafish fry

Pharmacology, Biochemistry, and Behavior
Benjamin TsangRobert Gerlai

Abstract

The zebrafish is becoming increasingly utilized in behavioral neuroscience as it appears to strike a good compromise between practical simplicity and system complexity. Particularly in alcohol (ethanol) research, the zebrafish has been employed as a translationally relevant model organism. However, the majority of studies investigating the effects of alcohol on brain function and behavior has used adult zebrafish. In the current study, we utilize 6-8 post-fertilization day old larval zebrafish (fry) to investigate the effects of a 40 min-long, acute, immersion into the alcohol bath. We measure the behavioral responses of the fry during the immersion session in relatively large arenas, the petri dish, instead of the often employed 96 well plate, and report on significant modification of behavior induced by alcohol. For example, we found the intermediate dose of alcohol (0.5%, vol/vol) to exert a stimulant effect manifesting as slight elevation of swim speed, robust increase of turning, temporal variability of swim speed and turning, and diminished frequency of staying immobile. We also found the high dose of 1% alcohol to elicit an opposite response, a sedative effect. This biphasic dose response of alcohol mimics what has been ...Continue Reading

Citations

Jul 13, 2020·Naunyn-Schmiedeberg's Archives of Pharmacology·Antonia Amanda Cardoso de AlmeidaPaulo Michel Pinheiro Ferreira
Aug 8, 2021·Progress in Neuro-psychopharmacology & Biological Psychiatry·Amira AbozaidRobert Gerlai

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