title: Soluble endoglin for the prediction of preeclampsia in a high risk cohort.
abstract: OBJECTIVE
  To evaluate soluble endoglin (sEng) and the soluble fms-like tyrosine kinase 1 (sFlt1) to placental growth factor (PlGF) ratio for the prediction of preeclampsia in high-risk women, and to evaluate differences in sEng between women with high-risk singleton and multiple gestation pregnancies.
  
  
  METHODS
  We collected serial serum specimens from 119 women at high preeclampsia risk. sEng, sFlt1 and PlGF were measured by ELISA.
  
  
  RESULTS
  Among subjects who did not develop preeclampsia, mean serum sEng was significantly higher in those with multiple gestation pregnancies vs. high-risk singletons. Among women with singleton gestations, mean serum sEng was higher in subjects who developed early-onset (<34 weeks) and late-onset (>or= 34 weeks) preeclampsia, as compared with subjects without preeclampsia, from 22 weeks and 28 weeks gestation onward, respectively. The within-woman rate of change of sEng was also higher in women who later developed preeclampsia.
  
  
  CONCLUSIONS
  sEng is higher in women with multiple gestations vs. high-risk singleton pregnancies. In high-risk women, serum sEng is increased prior to preeclampsia onset.
authors.affiliation: Department of Medicine, George Washington University School of Medicine and Health Sciences, Washington, DC 20037, USA. smaynard@mfa.gwu.edu
authors.forename: Sharon E
authors.initials: SE
authors.lastname: Maynard
authors.forename: Tiffany A
authors.initials: TA
authors.lastname: Moore Simas
authors.forename: Lana
authors.initials: L
authors.lastname: Bur
authors.forename: Sybil L
authors.initials: SL
authors.lastname: Crawford
authors.forename: Matthew J
authors.initials: MJ
authors.lastname: Solitro
authors.forename: Bruce A
authors.initials: BA
authors.lastname: Meyer
mesh_terms: D000328:Adult; D015703:Antigens, CD / Q000097:blood*; D015415:Biomarkers / Q000097:blood; D000071063:Endoglin; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D006801:Humans; D000072483:Placenta Growth Factor; D011225:Pre-Eclampsia / Q000097:blood* / Q000175:diagnosis; D011247:Pregnancy; D011257:Pregnancy Proteins / Q000097:blood; D018566:Pregnancy, High-Risk / Q000097:blood*; D011272:Pregnancy, Multiple / Q000097:blood; D011956:Receptors, Cell Surface / Q000097:blood*; D012307:Risk Factors; D040281:Vascular Endothelial Growth Factor Receptor-1 / Q000097:blood
chemical_list: D015703:Antigens, CD; D015415:Biomarkers; C064206:ENG protein, human; D000071063:Endoglin; C000608036:PGF protein, human; D011257:Pregnancy Proteins; D011956:Receptors, Cell Surface; D000072483:Placenta Growth Factor; C501162:FLT1 protein, human; D040281:Vascular Endothelial Growth Factor Receptor-1