Identification of a novel EXT1 mutation in patients with hereditary multiple exostosis by exome sequencing
Hereditary multiple exostosis (HME) is an autosomal inherited skeletal disease whose etiology is not fully understood. To further understand the genetic spectrum of the disease, we analyzed a five-generation Chinese family with HME that have observable inheritance. Exome sequencing was performed on three HME individuals and three unaffected individuals from the family. A downstream study confirmed a new C deletion at codon 442 on exon 5 of the exostosin-1 (EXT1) gene as the only pathogenic site which generated a stop codon and caused the truncation of the protein. We rediscovered the deletion in other affected individuals but not in the unaffected individuals from the family. Upon immunohistochemistry assay, we found that the EXT1 protein level of the patients with the novel mutation in our study was less than the level in the patients without the EXT1 mutation from another unrelated family. For a deeper understanding, we analyzed the mutation spectrum of the EXT1 gene. The present study should facilitate a further understanding of HME.
Hereditary multiple exostosis (HME) is an autosomal inherited skeletal disease whose etiology is not fully understood. To further understand the genetic spectrum of the disease, we analyzed a five-generation Chinese family with HME that have observable inheritance. Exome sequencing was performed on three HME individuals and three unaffected individuals from the family. A downstream study confirmed a new C deletion at codon 442 on exon 5 of the exostosin-1 (EXT1) gene as the only pathogenic site which generated a stop codon and caused the truncation of the protein. We rediscovered the deletion in other affected individuals but not in the unaffected individuals from the family. Upon immunohistochemistry assay, we found that the EXT1 protein level of the patients with the novel mutation in our study was less than the level in the patients without the EXT1 mutation from another unrelated family. For a deeper understanding, we analyzed the mutation spectrum of the EXT1 gene. The present study should facilitate a further understanding of HME.
Wu, Song、He, Meijian、Yang, Zhao、Wang, Yongqiang、Wu, Song、Jia, Wenlong、Li, Weiping、Zhu, Weiming、Cai, Zhiming、Wang, Yongqiang、Lin, Youcheng、Wang, Daping、He, Yingying、Duan, Li、Yang, Zhao、Zhang, Shiquan、Guo, Lijun、Liu, Hongjie、Liu, Hongjie、Yang, Lei、Liu, Hongjie、Yang, Guosheng、Hu, Xiaoxiao、Liu, Chunxiao
基础医学遗传学分子生物学
HEPARAN-SULFATENATURAL-HISTORYGENE-MUTATIONSFAMILYPROTEINS
Wu, Song,He, Meijian,Yang, Zhao,Wang, Yongqiang,Wu, Song,Jia, Wenlong,Li, Weiping,Zhu, Weiming,Cai, Zhiming,Wang, Yongqiang,Lin, Youcheng,Wang, Daping,He, Yingying,Duan, Li,Yang, Zhao,Zhang, Shiquan,Guo, Lijun,Liu, Hongjie,Liu, Hongjie,Yang, Lei,Liu, Hongjie,Yang, Guosheng,Hu, Xiaoxiao,Liu, Chunxiao.Identification of a novel EXT1 mutation in patients with hereditary multiple exostosis by exome sequencing[EB/OL].(2016-05-11)[2025-05-13].https://chinaxiv.org/abs/201605.01302.点此复制
评论