Efectos de una sesión aguda de natación hasta el agotamiento en miocitos aislados de animales Wistar

Autores/as

DOI:

https://doi.org/10.33448/rsd-v11i11.33561

Palabras clave:

Ejercicio agudo; Natación; Miocardio.

Resumen

Se reconoce el papel del ejercicio físico regular para la prevención, control y tratamiento de las enfermedades cardiovasculares. Sin embargo, los estudios muestran que después de sesiones de ejercicio aeróbico extenuantes en individuos sanos puede provocar daño cardíaco, debido al alto grado de estrés impuesto a las estructuras miocárdicas. Este estudio tiene como objetivo verificar los efectos de nadar hasta el agotamiento en las velocidades de contracción y relajación, así como la velocidad de liberación y recaptación de calcio en cardiomiocitos aislados del ventrículo izquierdo. Animales Wistar de 16 semanas de edad fueron sometidos a un protocolo de natación hasta el agotamiento con una carga del 5% del peso corporal y posteriormente se aislaron los cardiomiocitos. Se observó que una sesión aguda de natación hasta el agotamiento promovió un aumento en la velocidad de contracción y relajación y un aumento en la velocidad de liberación de calcio. El ejercicio hasta el agotamiento promueve efectos adversos sobre el miocardio, sin embargo, se necesitan más estudios para explicar estos efectos y demostrar los mecanismos moleculares involucrados en el proceso.

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Publicado

21/08/2022

Cómo citar

TELES, M. C. .; CALDAS, L. R. dos R. .; BARROS, L. F. .; COELHO, B. I. C. .; SILVA, F. de J. .; ISOLDI, M. C. . Efectos de una sesión aguda de natación hasta el agotamiento en miocitos aislados de animales Wistar. Research, Society and Development, [S. l.], v. 11, n. 11, p. e226111133561, 2022. DOI: 10.33448/rsd-v11i11.33561. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/33561. Acesso em: 17 jul. 2024.

Número

Sección

Ciencias Agrarias y Biológicas