Melatonin treatment reverses cognitive and endocrine deficits evoked by a 24-h light exposure in adult zebrafish.
Neurosci Lett
; 733: 135073, 2020 08 10.
Article
em En
| MEDLINE
| ID: mdl-32446774
Melatonin is an important pineal hormone that regulates human and animal circadian rhythms and sleep. Mounting clinical and rodent evidence indicates that melatonin also modulates affective behaviors and cognition. The zebrafish (Danio rerio) is rapidly becoming a powerful novel model organism in translational neuroscience research. Here, we evaluate the effects of a 24-h melatonin treatment on behavior and physiology of adult zebrafish with circadian rhythm disturbed by a 24-h light exposure. While such light exposure evoked overt cognitive and neuroendocrine (cortisol) deficits in zebrafish, these effects were reversed by a 24-h melatonin treatment. Collectively, these findings suggest a positive modulation of affective and cognitive phenotypes in zebrafish by melatonin, and reinforce the growing utility of zebrafish models for studying circadian, cognitive and behavioral processes and their neuroendocrine regulation in vivo.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Hidrocortisona
/
Ritmo Circadiano
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Cognição
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Melatonina
Tipo de estudo:
Prognostic_studies
Limite:
Animals
Idioma:
En
Revista:
Neurosci Lett
Ano de publicação:
2020
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Irlanda