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Mutation c.1190-1delG/N in intron 8 and c.1708G>C/N in exon 12 not reported in the IDUA gene developed a clinical phenotype of Scheie syndrome / Mutación c.1190-1delG/N en el intrón 8 y c.1708G>C/N en el exón 12 no reportada en el gen de IDUA desarrolló un fenotipo clínico de síndrome de Scheie
Delgado Luengo, Wilmer N; Miranda Contreras, Luis E; Chávez, Carlos J; Solis-Añez, Ernesto; Cammarata-Scalisi, Francisco.
  • Delgado Luengo, Wilmer N; University of Zulia. Faculty of Medicine. Institute of Genetic Investigations. Maracaibo. VE
  • Miranda Contreras, Luis E; University of Zulia. Faculty of Medicine. Institute of Genetic Investigations. Maracaibo. VE
  • Chávez, Carlos J; University of Zulia. Faculty of Medicine. Institute of Genetic Investigations. Maracaibo. VE
  • Solis-Añez, Ernesto; University of Zulia. Faculty of Medicine. Institute of Genetic Investigations. Maracaibo. VE
  • Cammarata-Scalisi, Francisco; University of Zulia. Faculty of Medicine. Institute of Genetic Investigations. Maracaibo. VE
Invest. clín ; 55(4): 365-370, dic. 2014. ilus
Article in English | LILACS | ID: lil-783090
ABSTRACT
Mucopolysaccharidoses are a group of lysosomal storage disorders caused by deficiency of enzymes catalyzing the degradation of glycosaminoglycans. Mucopoly-saccharidosis I can present a wide range of phenotypic characteristics with three major recognized clinical entities Hurler and Scheie syndromes represent phenotypes at the severe and mild ends of the clinical spectrum, respectively, and the Hurler-Scheie syndrome is intermediate in phenotypic expression. These are caused by the deficiency or absence of α-L-iduronidase, essential to the metabolism of both dermatan and heparan sulfate, and it is encoded by the IDUA gene. We report the case of a 34-year-old male patient with enzymatic deficiency of α-L-iduronidase, accumulation of its substrate and a previously unreported mutation in the IDUA gene that developed a phenotype of Scheie syndrome.
RESUMEN
Las mucopolisacaridosis son un grupo de trastornos de almacenamiento lisosomal causada por la deficiencia de enzimas que catalizan la degradación de glicosaminoglicanos. La mucopolisacaridosis tipo I puede presentar un amplio rango de características fenotípicas englobadas en tres entidades clínicas reconocidas los síndromes de Hurler y Scheie representan los fenotipos graves y leves del espectro clínico, respectivamente y el síndrome de Hurler-Scheie intermedio en la expresión fenotípica. Estos son causados por la deficiencia o ausencia de la α-L-iduronidasa esencial para el metabolismo del dermatán y el heparán sulfato y es codificada por el gen IDUA. Se presenta el caso de paciente masculino de 34 años de edad con deficiencia enzimática de α-L-iduronidasa, acumulación de su sustrato y una mutación en el gen IDUA, no reportada previamente, que desarrolló un fenotipo del síndrome de Scheie.
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Full text: Available Index: LILACS (Americas) Main subject: Mucopolysaccharidosis I / Point Mutation / Mutation, Missense / Iduronidase Type of study: Etiology study Limits: Adult / Humans / Male Language: English Journal: Invest. clín Journal subject: Biologia / Medicine / Relatos de Casos Year: 2014 Type: Article Affiliation country: Venezuela Institution/Affiliation country: University of Zulia/VE

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Full text: Available Index: LILACS (Americas) Main subject: Mucopolysaccharidosis I / Point Mutation / Mutation, Missense / Iduronidase Type of study: Etiology study Limits: Adult / Humans / Male Language: English Journal: Invest. clín Journal subject: Biologia / Medicine / Relatos de Casos Year: 2014 Type: Article Affiliation country: Venezuela Institution/Affiliation country: University of Zulia/VE