Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics · 2019
[Deletional variant of REEP1 gene in a pedigree affected with spastic paraplegia type 31].
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Xu Gang, Niu Yan, Chen Shujuan, Shu Jianbo, Dang Liheng, Zhao Peng, Cai Chunquan
Аннотация
OBJECTIVE: To detect pathogenic variation in a pedigree affected with hereditary spastic paraplegia type 31 and explore its molecular pathogenesis.
METHODS: Customized Roche NimbleGen capture probes were used to capture all exons of the target genes in relation with hereditary spastic paraplegia. The DNA samples were also assayed with fluorescent quantitative PCR as well as chromosomal microarray analysis using CytoScan HD chip.
RESULTS: The proband and her father and grandfather were found to carry a deletion for position 85 992 693-86 842 693 on chromosome 2, which spanned approximately 900 kb and encompassed the REEP1 gene. The latter has been specifically associated with hereditary spastic paraplegia type 31. The same deletion was not found in her mother who is phenotypically normal.
CONCLUSION: The deletional variation of the REEP1 gene probably underlies the disease in this pedigree.
METHODS: Customized Roche NimbleGen capture probes were used to capture all exons of the target genes in relation with hereditary spastic paraplegia. The DNA samples were also assayed with fluorescent quantitative PCR as well as chromosomal microarray analysis using CytoScan HD chip.
RESULTS: The proband and her father and grandfather were found to carry a deletion for position 85 992 693-86 842 693 on chromosome 2, which spanned approximately 900 kb and encompassed the REEP1 gene. The latter has been specifically associated with hereditary spastic paraplegia type 31. The same deletion was not found in her mother who is phenotypically normal.
CONCLUSION: The deletional variation of the REEP1 gene probably underlies the disease in this pedigree.