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Síndrome de Scheie - Overview

Nombres alternativos

Mucopolisacaridosis tipo I S; MPS I S

Definición:

Es una enfermedad hereditaria del metabolismo, en la cual el cuerpo no puede descomponer apropiadamente cadenas largas de moléculas de azúcar llamadas glucosaminoglicanos (anteriormente denominados mucopolisacáridos).

El síndrome pertenece a un grupo de enfermedades llamado mucopolisacaridosis (MPS) y específicamente se conoce como MPS I S.

Ver también:

Causas:

Las personas con el síndrome de Scheie carecen de una sustancia llamada alfa-L-iduronidasa lisosómica. Esta sustancia, denominada una enzima, ayuda a descomponer las cadenas largas de moléculas de azúcar llamadas glucosaminoglicanos, anteriormente denominados mucopolisacáridos. Estas moléculas se encuentran en todo el cuerpo, a menudo en las secreciones mucosas y en el líquido que rodea las articulaciones.

Sin la enzima, los glucosaminoglicanos se acumulan. Este material en exceso se acumula en los tejidos corporales puede causar daño a órganos, incluyendo el corazón. Los síntomas pueden ir de leves a severos.

El síndrome de Scheie es la forma más leve de mucopolisacaridosis tipo 1 y se transmite como un rasgo autosómico recesivo. Esto significa que ambos padres tienen que transmitir juntos el gen defectuoso para que su descendencia tenga la enfermedad.

  • Reviewed last on: 5/15/2011
  • Chad Haldeman-Englert, MD, Wake Forest School of Medicine, Department of Pediatrics, Section on Medical Genetics, Winston-Salem, NC. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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