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Zebrafish-Based Screening Models for the Identification of Anti-Metastatic Drugs
Open AccessArticle

Nicotinic Antagonist UFR2709 Inhibits Nicotine Reward and Decreases Anxiety in Zebrafish

Laboratorio de Síntesis Orgánica y Farmacología Molecular, Departamento de Ciencias Químicas y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de la Frontera, Temuco 4811230, Chile
Programa de Doctorado en Química, Facultad de Ciencias, Universidad de Chile, Santiago 7800003, Chile
Programa de Doctorado en Farmacología, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago 8380494, Chile
Laboratorio de Neuroquímica y Neurofarmacología, Centro de Neurobiología y Fisiopatología Integrativa (CENFI), Instituto de Fisiología, Facultad de Ciencias, Universidad de Valparaíso, Valparaíso 2360102, Chile
Centro de Investigación Biomédica y Aplicada (CIBAP), Escuela de Medicina, Facultad de Ciencias Médicas, Universidad de Santiago de Chile, Santiago 9170022, Chile
Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Talca 3467987 Chile
Department of Biological & Medical Sciences, Faculty of Health & Life Sciences, Oxford Brookes University, Oxford OX3 0BP, UK
Center of Excellence in Biotechnology Research Applied to the Environment, Universidad de La Frontera, Temuco 4811230, Chile
Authors to whom correspondence should be addressed.
Academic Editor: Yasuhito Shimada
Molecules 2020, 25(13), 2998;
Received: 3 June 2020 / Revised: 23 June 2020 / Accepted: 28 June 2020 / Published: 30 June 2020
(This article belongs to the Special Issue Zebrafish-Based Drug Screening)
Zebrafish is becoming a popular animal model in neuropharmacology and drug discovery, mainly due to its ease of handling and low costs involved in maintenance and experimental work. This animal displays a series of complex behaviours that makes it useful for assessing the effects of psychoactive drugs. Here, adult zebrafish were used for assessment of the anxiolytic and anti-addictive properties of UFR2709, a nicotinic receptor (nAChR) antagonist, using two behavioural paradigms to test for addiction, the novel tank diving test to assess anxiety and the conditioned place preference (CPP). Furthermore, the expression of nAChR subunits α4 and α7 was measured in the zebrafish brain. The results show that UFR2709 exhibits an anxiolytic effect on zebrafish and blocks the effect evoked by nicotine on CPP. Moreover, UFR2709 significantly decreased the expression of α4 nicotinic receptor subunit. This indicates that UFR2709 might be a useful drug for the treatment of nicotine addiction. View Full-Text
Keywords: conditioned place preference (CPP); novel tank test (NTT); nicotinic receptor; anxiety; reward; zebrafish conditioned place preference (CPP); novel tank test (NTT); nicotinic receptor; anxiety; reward; zebrafish
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Viscarra, F.; González-Gutierrez, J.; Esparza, E.; Figueroa, C.; Paillali, P.; Hödar-Salazar, M.; Cespedes, C.; Quiroz, G.; Sotomayor-Zárate, R.; Reyes-Parada, M.; Bermúdez, I.; Iturriaga-Vásquez, P. Nicotinic Antagonist UFR2709 Inhibits Nicotine Reward and Decreases Anxiety in Zebrafish. Molecules 2020, 25, 2998.

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