Application of droplet digital PCR for non-invasive prenatal diagnosis of single gene disease in two familiesCSCD |
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Affiliation: | 1.National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Center for Reproductive Medicine, Shandong University, Jinan, Shandong250012; |
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Abstract: | Objective To assess the value of droplet digital PCR (ddPCR) for non-invasive prenatal diagnosis of single gene disease in two families. Methods Paternal mutation in cell-free DNA derived from the maternal blood and amniotic fluid DNA was detected by ddPCR. Suspected mutation in the amniotic fluid DNA was verified with Sanger sequencing. Reverse The result of ddPCR and Sanger sequencing indicated that the fetuses have carried pathogenic mutations from the paternal side in both families. Conclusion Droplet digital PCR can accurately detect paternal mutation carried by the fetus, and it is sensitive and reliable for analyzing trace samples. This method may be applied for the diagnosis of single gene diseases caused by paternal mutation using peripheral blood sample derived from the mother. © 2018 West China University of Medical Sciences. All rights reserved. |
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Keywords: | Droplet digital PCR Monogenic disease Non-invasive prenatal diagnosis Sanger sequencing |
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