Las vitaminas B son un grupo de vitaminas hidrosolubles que actúan como cofactores de diversas enzimas implicadas en el metabolismo de carbohidratos, grasas y proteínas. Estos compuestos participan además en numerosas funciones de los sistemas cardiovascular, cerebral o nervioso. Por otro lado, el ácido fólico ha sido descrito como un componente de fácil acceso y multifuncional que puede ser usado con seguridad, incluso en combinación con otros compuestos, lo que le aporta una gran versatilidad. Además, debido a su no-toxicidad y gran estabilidad, el ácido fólico ha atraído mucho la atención de los investigadores en las áreas de biomedicina y bioingeniería, con un número creciente de trabajos dirigidos a usar el ácido fólico o sus derivados en terapias de ingeniería tisular y medicina regenerativa. Por tanto, esta revisión recoge una discusión actualizada sobre los avances más relevantes conseguidos en los últimos cinco años, en los cuales el ácido fólico u otras vitaminas B han sido utilizados como compuestos bioactivos claves para mejorar el desempeño de los biomateriales o sus funciones biológicas para la regeneración de tejidos y órganos.
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