Size Distributions of Maternal and Fetal DNA in Maternal Plasma
نویسندگان
چکیده
منابع مشابه
Size distributions of maternal and fetal DNA in maternal plasma.
BACKGROUND The discovery of fetal DNA in maternal plasma has opened up an approach for noninvasive prenatal diagnosis. Despite the rapid expansion in clinical applications, the molecular characteristics of plasma DNA in pregnant women remain unclear. METHODS We investigated the size distribution of plasma DNA in 34 nonpregnant women and 31 pregnant women, using a panel of quantitative PCR ass...
متن کاملSize separation of circulatory DNA in maternal plasma permits ready detection of fetal DNA polymorphisms.
BACKGROUND Analysis of fetal DNA in maternal plasma has recently been introduced as a new method for noninvasive prenatal diagnosis, particularly for the analysis of fetal genetic traits, which are absent from the maternal genome, e.g., RHD or Y-chromosome-specific sequences. To date, the analysis of other fetal genetic traits has been more problematic because of the overwhelming presence of ma...
متن کاملPresence of fetal DNA in maternal plasma and serum.
BACKGROUND The potential use of plasma and serum for molecular diagnosis has generated interest. Tumour DNA has been found in 'the plasma and serum of cancer patients, and molecular analysis has been done on this material. We investigated the equivalent condition in pregnancy-that is, whether fetal DNA is present in maternal plasma and serum. METHODS We used a rapid-boiling method to extract ...
متن کاملAnalysis of the size distributions of fetal and maternal cell-free DNA by paired-end sequencing.
BACKGROUND Noninvasive prenatal diagnosis with cell-free DNA in maternal plasma is challenging because only a small portion of the DNA sample is derived from the fetus. A few previous studies provided size-range estimates of maternal and fetal DNA, but direct measurement of the size distributions is difficult because of the small quantity of cell-free DNA. METHODS We used high-throughput pair...
متن کاملFetal DNA in maternal plasma: biology and diagnostic applications.
BACKGROUND Molecular analysis of plasma DNA during human pregnancy has led to the discovery that maternal plasma contains both fetal and maternal DNA. This valuable source of fetal DNA opens up new possibilities for noninvasive prenatal diagnosis. APPROACH Published data from the last 3 years demonstrating the feasibility and utility of analyzing fetal DNA in maternal plasma are reviewed. C...
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ژورنال
عنوان ژورنال: Clinical Chemistry
سال: 2004
ISSN: 0009-9147,1530-8561
DOI: 10.1373/clinchem.2003.024893