2005, Número s1
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Inv Salud 2005; 7 (s1)
Susceptibilidad genética a la cirrosis
Parra RI, Martínez LE, Ruiz MB, Panduro CA
Idioma: Español
Referencias bibliográficas: 54
Paginas: 48-54
Archivo PDF: 260.83 Kb.
RESUMEN
La obesidad y la diabetes son comunes en
nuestra población y son frecuentemente asociadas
con la enfermedad de hígado graso no alcohólica
(NAFLD), que incluye hígado graso no alcohólico
(NAFL) y esteatohepatitis no alcohólica (NASH). El
hígado graso no alcohólico usualmente es
considerado benigno, pero la esteatohepatitis no
alcohólica es reconocida como precursora para
enfermedad hepática más severa y a veces
evoluciona a cirrosis criptogénica o también conocida
como enfermedad hepática de etiología indefinida.
La cirrosis criptogénica constituye del 3-30% de
todos los casos de cirrosis. Típicamente se
diagnostica después de una evaluación exhaustiva
que incluye diagnóstico serológico, para eliminar
etiologías identificables y usualmente después de
una biopsia hepática. Los principales factores de
riesgo para cirrosis criptogénica son: esteatohepatitis
no alcohólica (NASH), obesidad, diabetes e
hiperlipidemia. Hay factores genéticos que podrían
explicar la progresión de esteatosis a cirrosis. Los
polimorfismos en genes que codifican citocinas,
leptina, queratinas y proteínas del metabolismo de
hierro, pueden explicar la susceptibilidad a
desarrollar cirrosis.
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