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Chinese Journal of Medical Genetics ; (6): 308-310, 2008.
Artículo en Chino | WPRIM | ID: wpr-308071

RESUMEN

<p><b>OBJECTIVE</b>To identify the activin A receptor type II-like 1 gene (ACVRL1) mutations in a Chinese family with hereditary hemorrhagic telangiectasia (HHT2).</p><p><b>METHODS</b>The exons 3, 7 and 8 of ACVRL1 gene of the proband and her five family members were amplified by polymerase chain reaction (PCR), and the PCR products were sequenced.</p><p><b>RESULTS</b>The proband had obvious telangiectasis of gastric mucosa, and small arteriovenous fistula in the right kidney. All the patients in the HHT2 family had iterative epistaxis or bleeding in other sites, and had telangiectasis of nasal mucosa, tunica mucosa oris and finger tips. ACVRL1 gene analysis confirmed that there is frameshift mutation caused by deletion of G145 in exon 3 in the 4 patients, but the mutation is absent in 2 members without HHT2.</p><p><b>CONCLUSION</b>The HHT2 family is caused by a 145delG mutation of ACVRL1 gene, resulting in frameshift and a new stop codon at codon 53.</p>


Asunto(s)
Femenino , Humanos , Masculino , Receptores de Activinas Tipo II , Genética , Exones , Genética , Mutación del Sistema de Lectura , Genética , Mutación , Reacción en Cadena de la Polimerasa , Telangiectasia Hemorrágica Hereditaria , Genética , Patología
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