A sequential methodology for integral evaluation of motor and non-motor behaviors in parkinsonian rodents

An animal model, suitable for resembling Parkinson's disease (PD) progress, should show both, motor and non-motor alterations. However, these features have been scarcely evaluated or developed in parkinsonian models induced by neurotoxins. This protocol provides modifications to original method...

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Bibliographic Details
Main Authors: Luis O. Soto-Rojas, Cecilia Bañuelos, Linda Garces-Ramirez, Claudia Luna-Herrera, Yazmin M. Flores-Martínez, Guadalupe Soto-Rodríguez, Bismark Gatica-García, Francisco E. López-Salas, José Ayala-Dávila, María E. Gutiérrez-Castillo, América Padilla-Viveros, Fidel de la Cruz-López, Irma A. Martínez-Davila, Daniel Martinez-Fong
Format: Article
Language:English
Published: Elsevier 2020-01-01
Series:MethodsX
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Online Access:http://www.sciencedirect.com/science/article/pii/S2215016120300418
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Summary:An animal model, suitable for resembling Parkinson's disease (PD) progress, should show both, motor and non-motor alterations. However, these features have been scarcely evaluated or developed in parkinsonian models induced by neurotoxins. This protocol provides modifications to original methods, allowing six different motor and non-motor behavior tests, which adequately and timely emulate the main parkinsonian sensorimotor alterations in the rat or mouse: (1) bilateral sensorimotor alterations, examined by the vibrissae test; (2) balance and motor coordination, evaluated by the uncoordinated gait test; (3) locomotor asymmetry, analyzed by the cylinder test; (4) bradykinesia, as a locomotor alteration evidenced by the open field test; (5) depressive-like behavior, judged by the forced swimming test; and (6) hyposmia, assessed by the olfactory asymmetry test. Some advantages of using these behavioral tests over others include: • No sophisticated materials or equipment are required for their application and evaluation. • They are used in rodent models for parkinsonian research, but they can also be helpful for studying other movement disorders. • These tests can accurately discriminate the affected side from the healthy one, after unilateral injury of one hemisphere, resulting in sensorimotor, olfactory or locomotor asymmetry.
ISSN:2215-0161