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The first Molecular genetics analysis of individuals suffering from nephropatic cystinosis in the Southwestern Iran
Shahkarami, Sepideh; Ahmadzadeh, Ali; Pedram, Mohammad; Galehdari, Hamid; Babaahmadi, Mahnaz.
Afiliação
  • Shahkarami, Sepideh; Jondishapour University of Medical Sciences. Research Center for Thalassemia and Hemoglobinopathy. Ahvaz. Iran
  • Ahmadzadeh, Ali; Jondishapour University of Medical Sciences. Research Center for Thalassemia and Hemoglobinopathy. Ahvaz. Iran
  • Pedram, Mohammad; Jondishapour University of Medical Sciences. Research Center for Thalassemia and Hemoglobinopathy. Ahvaz. Iran
  • Galehdari, Hamid; Shahid Chamran University of Ahvaz. Faculty of Sciences. Department of Genetics. Ahvaz. Iran
  • Babaahmadi, Mahnaz; Jondishapour University of Medical Sciences. Toxicology Research Center. Ahvaz. Iran
Nefrología (Madr.) ; 33(3): 308-315, abr.-jun. 2013. ilus, tab
Artigo em Inglês | IBECS | ID: ibc-114515
Biblioteca responsável: ES1.1
Localização: BNCS
ABSTRACT

Objective:

Nephropatic Cystinosis (NC) is a rare metabolic disorder due to mutation in the CTNS gene in which more than 90 different mutations have already been reported so far. This study was performed to investigate mutations of the CTNS gene and its promoter in a number of Iranian patients with NC.

Methods:

Polymerase chain reaction and direct sequencing were performed for molecular characterization of the CTNS gene in 25 patients from 24 unrelated Iranian families with NC.

Results:

None of the patients showed the 57kb deletion in heterozygous or homozygous manner. One was homozygous for a novel mutation, which was termed as "c.153-155insCT", while one of the cases was homozygous and another was compound heterozygous for the second novel mutation c.923G>A. Moreover three known mutations c.18-21delGACT, c.1017G>A, and c.681G>A in 11 of the patients were detected. No apparent mutation was observed in the rest of patients (44%, n=11).

Conclusion:

The present data exhibit a fundament for molecular carrier detection and prenatal diagnosis of a relatively large percentage of Iranian patients suffering from NC, at least in the Southwestern Iran, where Arab ethnicity is one of the common ethnicities of the region (AU)
RESUMEN

Objetivos:

La cistinosis nefropática (CN) es una rara enfermedad metabólica que se debe a la mutación del gen CNTS, para que el que ya se han registrado más de 90 mutaciones diferentes. El estudio se realizó para investigar las mutaciones del gen CTNS y su promotor en un determinado número de pacientes iraníes con CN.

Métodos:

Para la determinación molecular del gen CTNS en 25 pacientes con CN procedentes de 24 familias iraníes no emparentadas, se han llevado a cabo análisis con reacción en cadena de la polimerasa y con secuenciación directa.

Resultados:

Ninguno de los pacientes mostró deleción de 57-kb ni heterocigócita ni homocigótica. Uno resultó homocigoto para una mutación no descrita que se denominó «c.153-155insCT», mientras que otro de los casos resultó homocigoto y otro heterocigoto compuesto para una segunda mutación no descrita, c.923G>A. Además, se detectaron otras tres mutaciones conocidas c.18-21delGACT, c.1017G>A y c.681G>A en 11 pacientes. En el resto de los pacientes (44 %, n = 11) no se observaron mutaciones aparentes.

Conclusión:

Los datos de este estudio muestran un fundamento para la detección de transportadores moleculares y el diagnóstico prenatal de un porcentaje relativamente elevado de pacientes iraníes que sufren CN, al menos en el sudoeste de Irán, donde la etnia árabe es una de las comunes en la región (AU)
Assuntos

Texto completo: Disponível Coleções: Bases de dados nacionais / Espanha Base de dados: IBECS Assunto principal: Cistinose / Nefrose Tipo de estudo: Estudo diagnóstico Limite: Humanos País/Região como assunto: Ásia Idioma: Inglês Revista: Nefrología (Madr.) Ano de publicação: 2013 Tipo de documento: Artigo Instituição/País de afiliação: Jondishapour University of Medical Sciences/Iran / Shahid Chamran University of Ahvaz/Iran

Texto completo: Disponível Coleções: Bases de dados nacionais / Espanha Base de dados: IBECS Assunto principal: Cistinose / Nefrose Tipo de estudo: Estudo diagnóstico Limite: Humanos País/Região como assunto: Ásia Idioma: Inglês Revista: Nefrología (Madr.) Ano de publicação: 2013 Tipo de documento: Artigo Instituição/País de afiliação: Jondishapour University of Medical Sciences/Iran / Shahid Chamran University of Ahvaz/Iran
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