Journal
PREGNANCY HYPERTENSION-AN INTERNATIONAL JOURNAL OF WOMENS CARDIOVASCULAR HEALTH
Volume 2, Issue 4, Pages 398-402Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.preghy.2012.03.001
Keywords
Eclampsia; Pre-eclampsia; S100B
Funding
- Swedish Society of Medicine
- Uppsala-Orebro Regional Research Council, Sweden
- Stiftelsen Olle Engkvist Byggmastare, Stockholm, Sweden
- Gillbergska Foundation, Uppsala, Sweden
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Objective: S100B is suggested to be a peripheral biomarker of central nervous system injury with increased blood-brain barrier permeability. The aim of this study was to investigate if there is a difference in plasma levels of S100B throughout pregnancy between women developing pre-eclampsia and those who did not. Study design: A nested case-control study within a longitudinal study cohort was performed. Healthy pregnant women were enrolled and plasma samples were collected at gestational weeks 10, 25, 28, 33 and 37. Levels of S100B throughout pregnancy were analyzed with an ELISA assay. Results: The levels of S100B did not change between gestational weeks 10 and 37 (0.047 vs. 0.052; p = 0.71) in the healthy controls, but the S100B levels increased between corresponding weeks in women who developed pre-eclampsia (0.052 vs. 0.075; p < 0.05). In gestational weeks 33 and 37 women who developed pre-eclampsia had higher levels of S100B than the controls (p = 0.047 and p = 0.010, respectively). Conclusion: S100B levels increase during pregnancy in women who develop pre-eclampsia and there is an increased S100B level in women who develop pre-eclampsia compared with healthy pregnancies several weeks before clinical symptoms of the disease. The increased amount of plasma S100B in women developing pre-eclampsia might be secondary to cerebral vascular damage and S100B is a potential peripheral biomarker reflecting cerebral involvement in pre-eclampsia. (C) 2012 International Society for the Study of Hypertension in Pregnancy. Published by Elsevier B.V. All rights reserved.
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