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Non-invasive prenatal detection of ocutaneous albinism type I based on cfDNA barcode-enabled single-molecule test / 中华医学遗传学杂志
Chinese Journal of Medical Genetics ; (6): 317-320, 2021.
Article in Chinese | WPRIM | ID: wpr-879576
ABSTRACT
OBJECTIVE@#To assess the value of non-invasive prenatal testing based on cfDNA barcode-enabled single-molecule test (cfBEST) for the prenatal diagnosis of oculocutaneous albinism type I in a family.@*METHODS@#Prenatal genetic diagnosis was carried out by using the cfBEST-based method as well as invasive prenatal diagnosis through amniocentesis. The outcome of the pregnancy was followed up.@*RESULTS@#Non-invasive prenatal testing based on cfBEST showed a fetal DNA concentration of 6.6%, with the proportion of c.929_930insC (p.Arg311Lysfs*7) and c.1037-7T>A mutations being 45.7% and 0%, respectively. The posterior frequency of the negative results was 1, suggesting that the fetus carried neither of the two mutations. The result was consistent with that of invasive prenatal diagnosis, and the follow-up found that the fetus was normal.@*CONCLUSION@#Non-invasive prenatal testing based on cfBEST can be used to detect maternal and fetal genotypes in maternal cell-free DNA, which is clinically feasible.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Prenatal Diagnosis / Albinism / Albinism, Oculocutaneous / Cell-Free Nucleic Acids / Amniocentesis Type of study: Diagnostic study Limits: Female / Humans / Pregnancy Language: Chinese Journal: Chinese Journal of Medical Genetics Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Prenatal Diagnosis / Albinism / Albinism, Oculocutaneous / Cell-Free Nucleic Acids / Amniocentesis Type of study: Diagnostic study Limits: Female / Humans / Pregnancy Language: Chinese Journal: Chinese Journal of Medical Genetics Year: 2021 Type: Article