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[Mutations of ACVRL1 gene in a pedigree with hereditary hemorrhagic telangiectasia].

Authors: Luo, Jie-wei  Chen, Hui  Yang, Liu-qing  Zhu, Ai-lan  Wu, Yan-an  Li, Jian-wei 
Citation: Luo JW, etal., Zhonghua Yi Xue Yi Chuan Xue Za Zhi. 2008 Jun;25(3):308-10.
Pubmed: (View Article at PubMed) PMID:18543223


OBJECTIVE: To identify the activin A receptor type II-like 1 gene (ACVRL1) mutations in a Chinese family with hereditary hemorrhagic telangiectasia (HHT2).
METHODS: 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.
RESULTS: 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.
CONCLUSION: The HHT2 family is caused by a 145delG mutation of ACVRL1 gene, resulting in frameshift and a new stop codon at codon 53.

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CRRD Object Information
CRRD ID: 10769364
Created: 2016-02-11
Species: All species
Last Modified: 2016-12-30
Status: ACTIVE



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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.