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Amniotic fluid cell-free DNA in preterm prelabor rupture of membranes

M. Kacerovsky, B. Vlkova, I. Musilova, C. Andrys, L. Pliskova, H. Zemlickova, J. Stranik, P. Halada, B. Jacobsson, P. Celec,

. 2018 ; 38 (13) : 1086-1095. [pub] 20181028

Jazyk angličtina Země Anglie, Velká Británie

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc19034983

Grantová podpora
Charles University Prague, Faculty of Medicine in Hradec Kralove, Czech Republic - International
Faculty Hospital in Hradec Kralove - International

INTRODUCTION: We evaluated the levels of cell-free nuclear DNA (nDNA) and cell-free mitochondrial DNA (mtDNA) in the amniotic fluid supernatant from pregnancies complicated by preterm prelabor rupture of membranes (PPROM) based on evidence of microbial invasion of the amniotic cavity (MIAC) and/or intra-amniotic inflammation (IAI). MATERIAL AND METHODS: A total of 155 women with PPROM were included in this study. Amniotic fluid samples were obtained by transabdominal amniocentesis. The levels of cell-free nDNA and mtDNA in the amniotic fluid supernatant were assessed and quantified by real-time polymerase chain reaction. RESULTS: The levels of cell-free nDNA and mtDNA were higher in women with MIAC and IAI than in women without these conditions (nDNA: with MIAC: median 3.9 × 104 genome equivalent [GE]/mL vs without MIAC: median 1.2 × 104  GE/mL, with IAI: median: 5.3 × 104  GE/mL vs without IAI: median 1.2 × 104  GE/mL; mtDNA: with MIAC: median 9.2 × 105  GE/mL vs without MIAC: median 2.5 × 105  GE/mL, with IAI: median 1.1 × 106  GE/mL vs without IAI: median 2.5 × 105 ; all P values ≤ 0.01). Women with the microbial-associated IAI showed the highest levels of cell-free nDNA and mtDNA. CONCLUSIONS: Cell-free nDNA and mtDNA are constituents of the amniotic fluid supernatant from PPROM pregnancies. Both cell-free nDNA and mtDNA are involved in the intra-amniotic inflammatory response in women with PPROM.

Citace poskytuje Crossref.org

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$a INTRODUCTION: We evaluated the levels of cell-free nuclear DNA (nDNA) and cell-free mitochondrial DNA (mtDNA) in the amniotic fluid supernatant from pregnancies complicated by preterm prelabor rupture of membranes (PPROM) based on evidence of microbial invasion of the amniotic cavity (MIAC) and/or intra-amniotic inflammation (IAI). MATERIAL AND METHODS: A total of 155 women with PPROM were included in this study. Amniotic fluid samples were obtained by transabdominal amniocentesis. The levels of cell-free nDNA and mtDNA in the amniotic fluid supernatant were assessed and quantified by real-time polymerase chain reaction. RESULTS: The levels of cell-free nDNA and mtDNA were higher in women with MIAC and IAI than in women without these conditions (nDNA: with MIAC: median 3.9 × 104 genome equivalent [GE]/mL vs without MIAC: median 1.2 × 104  GE/mL, with IAI: median: 5.3 × 104  GE/mL vs without IAI: median 1.2 × 104  GE/mL; mtDNA: with MIAC: median 9.2 × 105  GE/mL vs without MIAC: median 2.5 × 105  GE/mL, with IAI: median 1.1 × 106  GE/mL vs without IAI: median 2.5 × 105 ; all P values ≤ 0.01). Women with the microbial-associated IAI showed the highest levels of cell-free nDNA and mtDNA. CONCLUSIONS: Cell-free nDNA and mtDNA are constituents of the amniotic fluid supernatant from PPROM pregnancies. Both cell-free nDNA and mtDNA are involved in the intra-amniotic inflammatory response in women with PPROM.
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$a Vlkova, Barbora $u Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Bratislava, Slovakia.
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$a Celec, Peter $u Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Bratislava, Slovakia. Institute of Pathophysiology, Faculty of Medicine, Comenius University, Bratislava, Slovakia. Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia.
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