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  • Title: [Prenatal diagnosis of Jacobsen syndrome in a fetus carried by a pregnant woman with intellectual disability].
    Author: Guo C, Wang J, Tang Y, Shi H, Liu J, Zhao L.
    Journal: Zhonghua Yi Xue Yi Chuan Xue Za Zhi; 2019 Aug 10; 36(8):826-288. PubMed ID: 31400138.
    Abstract:
    OBJECTIVE: To assess the value of combined cytogenetic and molecular techniques for the prenatal diagnosis of a pregnant woman with intellectual disability (ID). METHODS: The fetus and its parents were subjected to G-banding karyotyping analysis, single nucleotide polymorphism array (SNP-array) and fluorescence in situ hybridization (FISH) analysis. RESULTS: G-banding karyotype analysis revealed that the woman has carried a chromosomal microdeletion 46,XX,del(11)(q24), and the fetus was a carrier of 46,XN,del(11)(q24)mat. Subsequent SNP-array and FISH analysis of the pregnant woman indicated that the microdeletion has mapped to 11q24.1-q25. Both the pregnant woman and her fetus were diagnosed with Jacobsen syndrome. CONCLUSION: Combined use of cytogenetic and molecular genetic techniques can facilitate diagnosis of patients with intellectual disability.
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