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A Case of Heterozygous alpha(+)-Thalassemia Diagnosed in a Korean Family by Using Multiplex Ligation-Dependent Probe Amplification / 임상검사와정도관리
Journal of Laboratory Medicine and Quality Assurance ; : 113-117, 2012.
Artigo em Inglês | WPRIM | ID: wpr-209294
ABSTRACT
Alpha-thalassemia (alpha-thalassemia), which is prevalent in the Mediterranean region, is caused by deficient synthesis of the alpha-globin chains. It is commonly caused by HBA1 and/or HBA2 gene deletion and is diagnosed by DNA sequence analysis. The proband was a 38-year-old woman who was found to have microcytic and hypochromic anemia on a routine health checkup. Results of the Hb electrophoresis (EP) and direct sequencing of the HBA1 and HBA2 genes were found to be normal. As multiplex ligation-dependent probe amplification (MLPA) for the HBA1 and HBA2 genes revealed heterozygous deletion, she was diagnosed with heterozygous alpha+-thalassemia. Although routine laboratory tests revealed similar findings in the proband's father, brother and niece, MLPA revealed heterozygous deletions of the HBA1 or HBA2 gene in her brother and niece. In summary, we report a case of heterozygous alpha+-thalassemia in a Korean family that was detected by MLPA. We recommend that patients with suspected hemoglobinopathies should be followed-up further with MLPA, especially when Hb EP shows a normal pattern.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Hemoglobinas Glicadas / Análise de Sequência de DNA / Deleção de Genes / Talassemia alfa / Região do Mediterrâneo / Irmãos / Eletroforese / Alfa-Globinas / Pai / Reação em Cadeia da Polimerase Multiplex Tipo de estudo: Estudo diagnóstico Limite: Feminino / Humanos País/Região como assunto: Europa Idioma: Inglês Revista: Journal of Laboratory Medicine and Quality Assurance Ano de publicação: 2012 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Hemoglobinas Glicadas / Análise de Sequência de DNA / Deleção de Genes / Talassemia alfa / Região do Mediterrâneo / Irmãos / Eletroforese / Alfa-Globinas / Pai / Reação em Cadeia da Polimerase Multiplex Tipo de estudo: Estudo diagnóstico Limite: Feminino / Humanos País/Região como assunto: Europa Idioma: Inglês Revista: Journal of Laboratory Medicine and Quality Assurance Ano de publicação: 2012 Tipo de documento: Artigo