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Wilson's disease in Southern Brazil: genotype-phenotype correlation and description of two novel mutations in ATP7B gene / Doenca de Wilson no sul do Brasil: correlacao genotipica-fenotipica e a descricao de duas novas mutacoes no gene ATP7B
Arquivos de Neuro-Psiquiatria; Bem, Ricardo Schmitt de; Raskin, Salmo; Muzzillo, Dominique Araujo; Deguti, Marta Mitiko; Cancado, Eduardo Luiz Rachid; Araujo, Thiago Ferreira; Nakhle, Maria Cristina; Barbosa, Egberto Reis; Munhoz, Renato Puppi; Teive, Helio Afonso Ghizoni.
  • Bem, Ricardo Schmitt de; UFPR. Gastroenterology and Hepatology Service. Internal Medicine Department. Curitiba. BR
  • Raskin, Salmo; UFPR. Gastroenterology and Hepatology Service. Internal Medicine Department. Curitiba. BR
  • Muzzillo, Dominique Araujo; UFPR. Gastroenterology and Hepatology Service. Internal Medicine Department. Curitiba. BR
  • Deguti, Marta Mitiko; UFPR. Gastroenterology and Hepatology Service. Internal Medicine Department. Curitiba. BR
  • Cancado, Eduardo Luiz Rachid; UFPR. Gastroenterology and Hepatology Service. Internal Medicine Department. Curitiba. BR
  • Araujo, Thiago Ferreira; UFPR. Gastroenterology and Hepatology Service. Internal Medicine Department. Curitiba. BR
  • Nakhle, Maria Cristina; UFPR. Gastroenterology and Hepatology Service. Internal Medicine Department. Curitiba. BR
  • Barbosa, Egberto Reis; UFPR. Gastroenterology and Hepatology Service. Internal Medicine Department. Curitiba. BR
  • Munhoz, Renato Puppi; UFPR. Gastroenterology and Hepatology Service. Internal Medicine Department. Curitiba. BR
  • Teive, Helio Afonso Ghizoni; UFPR. Gastroenterology and Hepatology Service. Internal Medicine Department. Curitiba. BR
Arq. neuropsiquiatr ; 71(8): 503-507, ago. 2013. tab
Article in English | LILACS | ID: lil-684090
ABSTRACT

OBJECTIVE:

Wilson's disease (WD) is an inborn error of metabolism caused by abnormalities of the copper-transporting protein encoding gene ATP7B. In this study, we examined ATP7B for mutations in a group of patients living in southern Brazil.

METHODS:

36 WD subjects were studied and classified according to their clinical and epidemiological data. In 23 subjects the ATP7B gene was analyzed.

RESULTS:

Fourteen distinct mutations were detected in at least one of the alleles. The c.3207C>A substitution at exon 14 was the most common mutation (allelic frequency=37.1%) followed by the c.3402delC at exon 15 (allelic frequency=11.4%). The mutations c.2018-2030del13 at exon 7 and c.4093InsT at exon 20 are being reported for the first time.

CONCLUSION:

The c.3207C>A substitution at exon 14, was the most common mutation, with an allelic frequency of 37.1%. This mutation is the most common mutation described in Europe. .
RESUMO

OBJETIVO:

A doença de Wilson (DW) é um erro inato do metabolismo causado por abnormalidades no gene ATP7B, que codifica uma proteína transportadora de cobre. Neste estudo, avaliamos as mutações do gene ATP7B em um grupo de pacientes do sul do Brasil.

MÉTODOS:

Foram estudados 36 pacientes com DW e classificados do ponto de vista clínico e epidemiológico. Em 23 pacientes, o gene ATP7B foi analisado.

RESULTADOS:

A substituição c.3207C>A no éxon 14 foi a mutação mais comum seguida pela mutação c.3402delC no éxon 15 . A mutação c.2018-2030del13 no éxon 7 e a c.4093InsT no éxon 20 são relatadas pela primeira vez na literatura.

CONCLUSÃO:

A mutação do gene ATP7B, com a substituição c.3207C>A no éxon 14 foi a mais frequente. Esta mutação é a mais comumente encontrada em pacientes europeus. .
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Adenosine Triphosphatases / Cation Transport Proteins / Genetic Association Studies / Hepatolenticular Degeneration / Mutation Limits: Adolescent / Adult / Child / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2013 Type: Article / Project document Affiliation country: Brazil Institution/Affiliation country: UFPR/BR

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Full text: Available Index: LILACS (Americas) Main subject: Adenosine Triphosphatases / Cation Transport Proteins / Genetic Association Studies / Hepatolenticular Degeneration / Mutation Limits: Adolescent / Adult / Child / Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Arq. neuropsiquiatr Journal subject: Neurology / Psychiatry Year: 2013 Type: Article / Project document Affiliation country: Brazil Institution/Affiliation country: UFPR/BR