title: Quantification and Application of Potential Epigenetic Markers in Maternal Plasma of Pregnancies with Hypertensive Disorders.
abstract: The aim of this study was to evaluate quantitative aberrations of novel fetal-specific epigenetic markers in maternal plasma of pregnancies with hypertensive disorders. We compared the concentrations of DSCR3, RASSF1A, and SRY as cell-free fetal DNA markers in 188 normal pregnancies, 16 pregnancies with early-onset preeclampsia (EO-PE), 47 pregnancies with late-onset preeclampsia (LO-PE), and 29 pregnancies with gestational hypertension (GH). The concentrations of all markers were significantly correlated with gestational age (p < 0.001 for all). Strong positive correlations were also observed between DSCR3 and SRY (r = 0.471, p < 0.001), as well as between RASSF1A and SRY (r = 0.326, p = 0.015) and between DSCR3 and RASSF1A (r = 0.673, p < 0.001). The concentrations of DSCR3 and RASSF1A in the EO-PE were significantly higher at 24-32 weeks and onwards (p < 0.05 for both). In the LO-PE, DSCR3 and RASSF1A concentrations were significantly higher only at 33-41 weeks compared with the controls. The concentrations of all markers in the GH group were not significantly different from those in the control group. This study is the first demonstration that DSCR3 is a novel epigenetic marker that can be an alternative to the RASSF1A for the prediction of EO-PE.
authors.affiliation: Laboratory of Medical Genetics, Medical Research Institute, Cheil General Hospital and Women's Healthcare Center, Seoul 100-380, Korea. bluemint1999@hanmail.net.
authors.forename: Hyun Jin
authors.initials: HJ
authors.lastname: Kim
authors.affiliation: Laboratory of Medical Genetics, Medical Research Institute, Cheil General Hospital and Women's Healthcare Center, Seoul 100-380, Korea. chlorella@empal.com.
authors.forename: Shin Young
authors.initials: SY
authors.lastname: Kim
authors.affiliation: Laboratory of Medical Genetics, Medical Research Institute, Cheil General Hospital and Women's Healthcare Center, Seoul 100-380, Korea. roollala@hanmail.net.
authors.forename: Ji Hyae
authors.initials: JH
authors.lastname: Lim
authors.affiliation: Department of Obstetrics and Gynecology, Cheil General Hospital and Women's Healthcare Center, Dankook University College of Medicine, Seoul 100-380, Korea. drsweety@naver.com.
authors.forename: Dong Wook
authors.initials: DW
authors.lastname: Kwak
authors.affiliation: Laboratory of Medical Genetics, Medical Research Institute, Cheil General Hospital and Women's Healthcare Center, Seoul 100-380, Korea. paranip5@hanmail.net.
authors.forename: So Yeon
authors.initials: SY
authors.lastname: Park
authors.affiliation: Laboratory of Medical Genetics, Medical Research Institute, Cheil General Hospital and Women's Healthcare Center, Seoul 100-380, Korea. hmryu@yahoo.com.|Department of Obstetrics and Gynecology, Cheil General Hospital and Women's Healthcare Center, Dankook University College of Medicine, Seoul 100-380, Korea. hmryu@yahoo.com.
authors.forename: Hyun Mee
authors.initials: HM
authors.lastname: Ryu
mesh_terms: D000328:Adult; D015415:Biomarkers / Q000097:blood*; D016022:Case-Control Studies; D018899:CpG Islands / Q000235:genetics; D019175:DNA Methylation / Q000235:genetics; D044127:Epigenesis, Genetic; D005260:Female; D005333:Fetus / Q000378:metabolism; D056426:Genetic Loci; D005865:Gestational Age; D006801:Humans; D046110:Hypertension, Pregnancy-Induced / Q000097:blood* / Q000235:genetics*; D011247:Pregnancy; D015203:Reproducibility of Results; D017422:Sequence Analysis, DNA
chemical_list: D015415:Biomarkers
keywords: cell-free fetal DNA; cell-free total DNA; epigenetic marker; pregnancies with hypertensive disorders