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25-hidroxivitamina D-1alfa-hidroxilasa en el tejido normal y maligno del colon
La vitamina D puede proteger contra el cáncer colorrectal mediante la regulación del crecimiento de las células del colon. La enzima 25-hidroxivitamina D-1alfa-hidroxilasa, crucial para la activación de la vitamina D, está presente en los tejidos del colon.
Área de la Ciencia:
- Endocrinología Endocrinología.
- Biología Molecular Biología Molecular
- Gastroenterología y Gastroenterología.
Sus antecedentes:
- La vitamina D juega un papel en el metabolismo del calcio e inhibe la proliferación de células del colon in vitro.
- La principal forma circulante de vitamina D, la 25-hidroxivitamina D, requiere 1alfa-hidroxilación renal para convertirse en la forma activa, la 25-dihidroxivitamina D.
- Las células transformadas del cáncer de colon poseen la capacidad de convertir la 25-hidroxivitamina D3 en 1alfa, 25-dihidroxivitamina D3.
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