Evaluación de la actividad antiinflamatoria, inmunológica y antioxidante de beta-sitosterol en modelos murinos / Evaluation of the anti-inflammatory, immunological and antioxidant activity of beta-sitosterol in murine models

Rogelio Paniagua Pérez, Eduardo Madrigal Bujaidar, Rosa Isela Álvarez González, Carlos Jorge Martínez Canseco, Gabriela Flores Mondragón, Lidia Cruz Hernández

Resumo


Antecedentes: el beta-sitosterol (BS) es un compuesto presente en numerosas plantas. Se le han atribuido varias propiedades biomédicas interesantes del BS, incluidas actividades inmunomoduladoras y antiinflamatorias. Por lo tanto, el objetivo de este informe fue evaluar su capacidad antiinflamatoria mediante la aplicación de varias pruebas experimentales en roedores.  Métodos: Para llevar a cabo el objetivo del estudio se aplicaron los siguientes métodos. Dos métodos basados en la reacción pasiva inversa de Arthus: el ensayo de edema de pata de rata y el ensayo de pleuresía de rata, así como dos métodos relacionados con la inflamación aguda inespecífica: el ensayo de edema de oreja de ratón y el ensayo de actividad de mieloperoxidasa de ratón. Resultados: Los resultados obtenidos en todas las pruebas establecieron un importante potencial antiinflamatorio de BS. En la prueba de edema de pata de rata encontramos un efecto inhibidor que va del 50-70%; en el ensayo de pleuresía de rata nuestros hallazgos con respecto al volumen de exudado pleural mostraron una reducción del 46%, así como una cantidad baja de neutrófilos del 20% con respecto al nivel del grupo control. En el ensayo de edema de oreja de ratón encontramos una inhibición inflamatoria media del 75%, y respecto a la actividad mieloproxidasa los resultados mostraron una inhibición dependiente de la dosis inducida por BS. Conclusiones: En el presente estudio determinamos una potente capacidad antiinflamatoria de BS en tipos específicos y no específicos de inflamación aguda en roedores.


Palavras-chave


Beta-sitosterol, ensayo antiinflamatorio, ratón, rata, antioxidante

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Referências


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DOI: https://doi.org/10.34188/bjaerv5n2-003

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