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Войти в исследования Zhonghua xin xue guan bing za zhi · 2008
[The Val606Met mutation of human beta myosin heavy chain in a Chinese familial hypertrophic cardiomyopathy family].
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Yuan Jian-song, Qiao Shu-bin, Wang Shu-xia, Teng Si-yong, You Shi-jie, Yang Wei-xian, Gao Run-lin, Chen Ji-lin, Yang Yue-jin
Аннотация
OBJECTIVE: To explore the disease-causing gene mutation in Chinese families with hypertrophic cardiomyopathy (HCM) and to analyze the correlation between the genotype and phenotype.
METHODS: Samples of peripheral blood were collected from three Chinese families with HCM (at least two HCM patients existed/family). The exons in the functional regions of the beta myosin heavy chain gene (MYH7) were amplified with PCR and the products were sequenced.
RESULTS: A Val606Met missen mutation was identified in the exon 16 of MYH7 gene in a Chinese family and this mutation was identified in all HCM patients (n = 4) and there was also a 15-years-old young mutation carrier who was not HCM patient now (penetrance of 80%). This mutation was not identified in other healthy family members in this family, in other 2 Chinese familiar HCM families and in 120 non-HCM control patients.
CONCLUSION: The Val606Met missen mutation is closely associated with familiar HCM in a Chinese family which is associated with clinical phenotype with a penetrance of 80%.
METHODS: Samples of peripheral blood were collected from three Chinese families with HCM (at least two HCM patients existed/family). The exons in the functional regions of the beta myosin heavy chain gene (MYH7) were amplified with PCR and the products were sequenced.
RESULTS: A Val606Met missen mutation was identified in the exon 16 of MYH7 gene in a Chinese family and this mutation was identified in all HCM patients (n = 4) and there was also a 15-years-old young mutation carrier who was not HCM patient now (penetrance of 80%). This mutation was not identified in other healthy family members in this family, in other 2 Chinese familiar HCM families and in 120 non-HCM control patients.
CONCLUSION: The Val606Met missen mutation is closely associated with familiar HCM in a Chinese family which is associated with clinical phenotype with a penetrance of 80%.