Análisis inmunohistoquímico e histomorfométrico de la reparación alveolar en ratas espontáneamente hipertensas (SHR) tratadas con losartan

Autores/as

DOI:

https://doi.org/10.33448/rsd-v9i11.10634

Palabras clave:

Losartán; Angiotensina II; Hueso.

Resumen

La hipertensión es una enfermedad multifactorial con altas tasas de complicaciones, como enfermedades cardiovasculares y renales, lo que la convierte en un problema de salud pública mundial. Esta enfermedad altera la regulación del calcio induciendo la pérdida ósea, que está limitada por fármacos antihipertensivos. Uno de estos fármacos, losartán, inhibe lo receptores AT1 de angiotensina II (Ang II). El objetivo de este estudio fue comparar el proceso de reparación alveolar en ratas espontáneamente hipertensas (SHR) y ratas Wistar, y evaluar el efecto del losartán sobre la dinámica ósea. Las ratas tratadas y no tratadas se sometieron a extracción dental del incisivo superior derecho y se sacrificaron 7, 14 o 28 días después de la cirugía. La reparación alveolar se analizó luego histomorfométricamente e inmunohistoquímicamente midiendo las proteínas implicadas en el metabolismo óseo. Los datos se analizaron mediante la prueba no paramétrica de Kruskal-Wallis, seguida de la prueba de Mann Whitney para comparar muestras en diferentes momentos. La reparación alveolar fue lenta en SHR, mientras que losartán aumentó la formación ósea y el grosor trabecular en SHR y Wistars. Como las proteínas analizadas se encuentran en hueso dinámico, se sugiere que losartán interfiere con las acciones de la angiotensina II y el sistema renina-angiotensina y limita el metabolismo óseo.

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Publicado

05/12/2020

Cómo citar

PEREIRA, C. C. S.; MANRIQUE, N. .; MOURA, J. de .; MULINARI-SANTOS, G. .; MONTEIRO, N. G. .; PITOL-PALIN, L. .; ANTONIALI, C. .; OKAMOTO, R. . Análisis inmunohistoquímico e histomorfométrico de la reparación alveolar en ratas espontáneamente hipertensas (SHR) tratadas con losartan. Research, Society and Development, [S. l.], v. 9, n. 11, p. e83991110634, 2020. DOI: 10.33448/rsd-v9i11.10634. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/10634. Acesso em: 22 nov. 2024.

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Sección

Ciencias de la salud