Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics · 2013
[Mutation analysis of FLG gene in 10 Chinese families with ichthyosis vulgaris].
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Gu Yong, Shao Minhua, Du Xufeng, Li Ming, Shi Hejian, Zhang Guolong
Аннотация
OBJECTIVE: To detect FLG gene mutations in 10 families affected with ichthyosis vulgaris and to explore mutational hot spot of the FLG gene in Chinese Han population.
METHODS: PCR and direct sequencing were carried out to identify potential mutations of the FLG gene in above families. One hundred healthy individuals were analyzed as normal controls.
RESULTS: Three mutations (3321delA, 5757delCCAG and S2706X) were identified in 7 families. A homozygous mutation 3321delA was also detected in two unrelated patients. No mutations were found in the remaining three families. Neither of the null mutations (5757delCCAG and S2706X) was found in the 100 controls. However, for 3321delA, a heterozygous mutation was also found in two of the controls.
CONCLUSION: Three FLG mutations have been identified in the selected families with ichthyosis vulgaris, and the 3321delA mutation was most prevalent (46.9%). Mutations 5757delCCAG and S2706X were first found in patients with ichthyosis vulgaris. Other candidate genes may underlie the disease in those without a FLG mutation.
METHODS: PCR and direct sequencing were carried out to identify potential mutations of the FLG gene in above families. One hundred healthy individuals were analyzed as normal controls.
RESULTS: Three mutations (3321delA, 5757delCCAG and S2706X) were identified in 7 families. A homozygous mutation 3321delA was also detected in two unrelated patients. No mutations were found in the remaining three families. Neither of the null mutations (5757delCCAG and S2706X) was found in the 100 controls. However, for 3321delA, a heterozygous mutation was also found in two of the controls.
CONCLUSION: Three FLG mutations have been identified in the selected families with ichthyosis vulgaris, and the 3321delA mutation was most prevalent (46.9%). Mutations 5757delCCAG and S2706X were first found in patients with ichthyosis vulgaris. Other candidate genes may underlie the disease in those without a FLG mutation.