Integrated Proteomic and Metabolomic prediction of Term Preeclampsia.

Abstract:

:Term preeclampsia (tPE), ≥37 weeks, is the most common form of PE and the most difficult to predict. Little is known about its pathogenesis. This study aims to elucidate the pathogenesis and assess early prediction of tPE using serial integrated metabolomic and proteomic systems biology approaches. Serial first- (11-14 weeks) and third-trimester (30-34 weeks) serum samples were analyzed using targeted metabolomic (1H NMR and DI-LC-MS/MS) and proteomic (MALDI-TOF/TOF-MS) platforms. We analyzed 35 tPE cases and 63 controls. Serial first- (sphingomyelin C18:1 and urea) and third-trimester (hexose and citrate) metabolite screening predicted tPE with an area under the receiver operating characteristic curve (AUC) (95% CI) = 0.817 (0.732-0.902) and a sensitivity of 81.6% and specificity of 71.0%. Serial first [TATA box binding protein-associated factor (TBP)] and third-trimester [Testis-expressed sequence 15 protein (TEX15)] protein biomarkers highly accurately predicted tPE with an AUC (95% CI) of 0.987 (0.961-1.000), sensitivity 100% and specificity 98.4%. Integrated pathway over-representation analysis combining metabolomic and proteomic data revealed significant alterations in signal transduction, G protein coupled receptors, serotonin and glycosaminoglycan metabolisms among others. This is the first report of serial integrated and combined metabolomic and proteomic analysis of tPE. High predictive accuracy and potentially important pathogenic information were achieved.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Bahado-Singh R,Poon LC,Yilmaz A,Syngelaki A,Turkoglu O,Kumar P,Kirma J,Allos M,Accurti V,Li J,Zhao P,Graham SF,Cool DR,Nicolaides K

doi

10.1038/s41598-017-15882-9

subject

Has Abstract

pub_date

2017-11-23 00:00:00

pages

16189

issue

1

issn

2045-2322

pii

10.1038/s41598-017-15882-9

journal_volume

7

pub_type

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