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Cell‑free fetal DNA at 11‑13 weeks of gestation is not altered in complicated pregnancies

  • Authors:
    • Zoi Koukou
    • Eleftherios Panteris
    • Emmanouel Manolakos
    • Aristeidis Papadopoulos
    • Ioannis Papoulidis
    • Konstantinos Relakis
    • Stavros Sifakis
  • View Affiliations / Copyright

    Affiliations: School of Health Sciences, International Hellenic University (IHU), 57400 Thessaloniki, Greece, Laboratory of Forensic Medicine and Toxicology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece, Access to Genome P.C., Clinical Laboratory Genetics, 11528 Thessaloniki, Greece, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece, Department of Obstetrics and Gynecology, University Hospital of Heraklion, Medical School University of Crete, 71500 Heraklion, Greece
    Copyright: © Koukou et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 69
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    Published online on: March 4, 2024
       https://doi.org/10.3892/br.2024.1757
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Abstract

Non‑invasive maternal cell‑free fetal DNA (cffDNA) is a promising biomarker for screening common genetic syndromes. Alterations in the expression levels of cffDNA in the maternal circulation have been demonstrated in abnormal pregnancies. However, the results are conflicting. The present study aimed to investigate whether cffDNA levels are associated with pregnancy complications. The study group comprised pregnant women who presented with pregnancy complications, such as preterm birth, gestational hypertension, intrauterine growth retardation, gestational diabetes, polyhydramnios, oligohydramnios, vaginal bleeding and placental abruption. The control group comprised women who had a normal pregnancy course. Blood samples were obtained from 500 pregnant women between 11‑13 weeks of gestation. cffDNA was amplified, sequenced and analyzed using the next‑generation aneuploidy test of a Panorama‑Natera kit. Nuchal translucency (NT) thickness as well as pregnancy associated plasma protein‑A (PAPP‑A) and β‑human chorionic gonadotropin (β‑hCG) levels were also assessed. Statistical analysis was performed in 494 out of the 500 samples collected with SPSS v.26 using non‑parametric methods. The parameters were normalized by the multiples of median (MoM) method. The expression levels of PAPP‑A, β‑hCG, and the NT mean MoM values were significantly different between the study and control groups (P=0.005, P<0.001 and P=0.007, respectively). However, the expression levels of cffDNA and the mean MoM values were not significantly different between these two groups (P=0.687). The findings of the present study support the conclusion that cffDNA expression is not altered in a series of pregnancy complications. The prognostic value of cffDNA in predicting adverse pregnancy outcomes requires further investigation.
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Copy and paste a formatted citation
Spandidos Publications style
Koukou Z, Panteris E, Manolakos E, Papadopoulos A, Papoulidis I, Relakis K and Sifakis S: Cell‑free fetal DNA at 11‑13 weeks of gestation is not altered in complicated pregnancies. Biomed Rep 20: 69, 2024.
APA
Koukou, Z., Panteris, E., Manolakos, E., Papadopoulos, A., Papoulidis, I., Relakis, K., & Sifakis, S. (2024). Cell‑free fetal DNA at 11‑13 weeks of gestation is not altered in complicated pregnancies. Biomedical Reports, 20, 69. https://doi.org/10.3892/br.2024.1757
MLA
Koukou, Z., Panteris, E., Manolakos, E., Papadopoulos, A., Papoulidis, I., Relakis, K., Sifakis, S."Cell‑free fetal DNA at 11‑13 weeks of gestation is not altered in complicated pregnancies". Biomedical Reports 20.4 (2024): 69.
Chicago
Koukou, Z., Panteris, E., Manolakos, E., Papadopoulos, A., Papoulidis, I., Relakis, K., Sifakis, S."Cell‑free fetal DNA at 11‑13 weeks of gestation is not altered in complicated pregnancies". Biomedical Reports 20, no. 4 (2024): 69. https://doi.org/10.3892/br.2024.1757
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Spandidos Publications style
Koukou Z, Panteris E, Manolakos E, Papadopoulos A, Papoulidis I, Relakis K and Sifakis S: Cell‑free fetal DNA at 11‑13 weeks of gestation is not altered in complicated pregnancies. Biomed Rep 20: 69, 2024.
APA
Koukou, Z., Panteris, E., Manolakos, E., Papadopoulos, A., Papoulidis, I., Relakis, K., & Sifakis, S. (2024). Cell‑free fetal DNA at 11‑13 weeks of gestation is not altered in complicated pregnancies. Biomedical Reports, 20, 69. https://doi.org/10.3892/br.2024.1757
MLA
Koukou, Z., Panteris, E., Manolakos, E., Papadopoulos, A., Papoulidis, I., Relakis, K., Sifakis, S."Cell‑free fetal DNA at 11‑13 weeks of gestation is not altered in complicated pregnancies". Biomedical Reports 20.4 (2024): 69.
Chicago
Koukou, Z., Panteris, E., Manolakos, E., Papadopoulos, A., Papoulidis, I., Relakis, K., Sifakis, S."Cell‑free fetal DNA at 11‑13 weeks of gestation is not altered in complicated pregnancies". Biomedical Reports 20, no. 4 (2024): 69. https://doi.org/10.3892/br.2024.1757
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