2022
DOI: 10.25248/reas.e10196.2022
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Efeitos motores da rotenona em zebrafish como modelo animal da doença de Parkinson-like

Abstract: Objetivo: Analisar a indução de sintomas semelhantes à Doença de Parkinson em zebrafish pela exposição à rotenona. Métodos: Trata-se de um estudo experimental, conduzido em zebrafish adultos divididos em três grupos, um grupo controle, exposto à 1% (v/v) de DMSO e dois grupos expostos à 2 e 5 µg/L de rotenona por 28 dias consecutivos. Foram avaliados a atividade locomotora dos animais nos seguintes parâmetros: distância total, velocidade média e tempo parado. Parâmetros não-motores foram avaliados no teste de … Show more

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“…However, the downside of exposure to rotenone in the early life stages of zebra sh is that there is a narrow limit of concentrations that cause or do not cause effects, making it di cult to standardize an ideal concentration able to cause developmental, motor, and non-motor effects of PD-like symptoms. Adult zebra sh are more sensitive to rotenone (Ünal et al 2020), enabling induction of PD-like symptoms with lower concentrations of 2 to 5 µg/L, resulting in lower limits needed to cause the motor and nonmotor effects and low mortality (Khotimah et al 2015;Wang et al 2017;Andrade et al 2022). In addition, adult zebra sh have a wider variety of behavioral and locomotor patterns, allowing access to additional information compared to zebra sh larvae (Wang et al 2017;Ilie et al 2022).…”
Section: Behavioral Parametersmentioning
confidence: 99%
“…However, the downside of exposure to rotenone in the early life stages of zebra sh is that there is a narrow limit of concentrations that cause or do not cause effects, making it di cult to standardize an ideal concentration able to cause developmental, motor, and non-motor effects of PD-like symptoms. Adult zebra sh are more sensitive to rotenone (Ünal et al 2020), enabling induction of PD-like symptoms with lower concentrations of 2 to 5 µg/L, resulting in lower limits needed to cause the motor and nonmotor effects and low mortality (Khotimah et al 2015;Wang et al 2017;Andrade et al 2022). In addition, adult zebra sh have a wider variety of behavioral and locomotor patterns, allowing access to additional information compared to zebra sh larvae (Wang et al 2017;Ilie et al 2022).…”
Section: Behavioral Parametersmentioning
confidence: 99%