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  • Title: [Mutation analysis and prenatal diagnosis for a case of spinal muscular atrophy with respiratory distress type 1].
    Author: Zhang B, Guo D, Zheng J, Lu X, Zhang X, Wu Y.
    Journal: Zhonghua Yi Xue Yi Chuan Xue Za Zhi; 2017 Apr 10; 34(2):213-215. PubMed ID: 28397221.
    Abstract:
    OBJECTIVE: To detect potential mutation of immunoglobulin μ -binding protein 2 (IGHMBP2) gene in a two-year-old patient with spinal muscular atrophy with respiratory distress type 1 (SMARD1). METHODS: Genomic DNA was extracted from peripheral blood sample from the patient and her parents, as well as cord blood sample from the fetus. Potential mutations of the coding region of the IGHMBP2 gene was detected with PCR and Sanger sequencing. RESULTS: A heterozygous missense mutation c.1060G>A and a frameshift mutation c.2356delG was detected in the patient. The mutations were respectively inherited from her father and mother. Neither mutation was found in DNA derived from the cord blood sample. CONCLUSION: The missense mutation c.1060G>A and frameshift mutation c.2356delG were probably causative for the disease. Analysis of the IGHMBP2 gene has provided an important clue for the etiology and prenatal diagnosis of SMARD1.
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