نتایج جستجو برای: free fetal dna
تعداد نتایج: 1076070 فیلتر نتایج به سال:
Cell free fetal DNA (cff DNA) is apoptotic that shed from placenta and flows in maternal blood. This can be used as an indicative biomarker to rule out pregnancy associated complications. The objective of this study investigate the correlation concentration cff with intrauterine deaths. RHD gene (Rh blood group, D antigen) was marker for confirmation GAPDH (Glyceraldehyde-3-phosphate dehydrogen...
risk of HDFN, which can cause fetal anemia, hydrops, and intrauterine fetal death. Babies born with HDFN are at significant risk of neonatal morbidity and mortality [1,2]. Prenatal detection of the fetal RhD status in a pregnant woman with RhD-negative provides useful information for predicting the risk of HDFN and Noninvasive fetal RHD genotyping using cell-free fetal DNA incorporating fetal R...
Prenatal diagnosis of monogenic diseases, such as cystic fibrosis and beta-thalassemia, is currently offered as part of public health programs. However, current methods based on chorionic villus sampling and amniocentesis for obtaining fetal genetic material pose a risk to the fetus. Since the discovery of cell-free fetal DNA in maternal plasma, the noninvasive prenatal assessment of paternally...
The DNA-synthetic and proliferative activities of freshly isolated, nontumorigenic C3H mouse skin cells (first passage) were lowest when the extracellular free (or ionic) calcium level was reduced to between 0.05 and 0.1 mM, whereas the extracellular free calcium level in cultures of repeatedly passaged, preneoplastic C3H/10T1/2 and MCA-C3H/10T1/2 type I mouse fetal fibroblasts had to be reduce...
OBJECTIVE This study aimed to provide an individualized assessment of fetal trisomy 21 and trisomy 18 status for twin pregnancies by maternal plasma DNA sequencing. METHOD Massively parallel sequencing was performed on the plasma/serum DNA libraries of eight twin pregnancies and 11 singleton pregnancies. The apparent fractional fetal DNA concentrations between genomic regions were assessed to...
BACKGROUND Recently, apoptotic cells have been found in plasma obtained by centrifugation of blood from pregnant women, raising the question of what constitutes plasma and whether plasma is truly cell free. We compared the effects of different blood-processing protocols on the quantification, DNA composition, and day-to-day fluctuation of fetal and total DNA in maternal plasma. METHODS Blood ...
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