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Mutation analysis of 12S rRNA and tRNA-Ser(UCN) genes in a large Chinese family with maternally inherited nonsyndromic hearing loss by intermarriage / 中华医学遗传学杂志
Chinese Journal of Medical Genetics ; (6): 303-305, 2006.
Artículo en Chino | WPRIM | ID: wpr-263791
ABSTRACT
<p><b>OBJECTIVE</b>To identify the possible mutation at possible sites in different mitochondrial genes that leads to hearing loss in a large Chinese pedigree.</p><p><b>METHODS</b>Blood samples from a Hunan pedigree were obtained with informed consent. Genomic DNA was extracted from peripheral blood leukocytes using kit. The target fragments were amplified and detected by polymerase chain reaction (PCR) and directly sequencing respectively.</p><p><b>RESULTS</b>The result of direct sequencing revealed the A1555G mutation in 12S rRNA gene was inherited in this pedigree and no one has A7445G mutation or other mutations in its neighborhood region.</p><p><b>CONCLUSION</b>Sequence analysis confirmed that the pedigree carries the A1555G mutation. With some members ever exposure of aminoglycoside antibiotics, mutation of A1555G may play a pivotal role in the pathogenesis of hearing loss in the large pedigree.</p>
Asunto(s)
Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Linaje / ADN Mitocondrial / ARN Ribosómico / Análisis Mutacional de ADN / ARN de Transferencia de Serina / Secuencia de Bases / Matrimonio / Química / China / Reacción en Cadena de la Polimerasa Límite: Femenino / Humanos / Masculino País/Región como asunto: Asia Idioma: Chino Revista: Chinese Journal of Medical Genetics Año: 2006 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Linaje / ADN Mitocondrial / ARN Ribosómico / Análisis Mutacional de ADN / ARN de Transferencia de Serina / Secuencia de Bases / Matrimonio / Química / China / Reacción en Cadena de la Polimerasa Límite: Femenino / Humanos / Masculino País/Región como asunto: Asia Idioma: Chino Revista: Chinese Journal of Medical Genetics Año: 2006 Tipo del documento: Artículo