Remco Keijser

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The recent discovery of additional alternative spliced FLT1 transcripts encoding novel soluble (s)FLT1 protein isoforms complicates both the predictive value and functional implications of sFLT1 in preeclampsia. We investigated FLT1 expression levels and splicing patterns in placentas of normotensive and preeclamptic women, and established the tissue(More)
BACKGROUND Thyroid hormone is prerequisite for proper fetal and postnatal neurodevelopment, growth, and metabolism. Although much progress has been made in the characterization of genes implicated in thyroid development and function, the majority of genes involved in this process are still unknown. We have previously applied serial analysis of gene(More)
The human placenta is prerequisite for the development of gestational hypertensive diseases like early-onset preeclampsia (PE) and Hemolysis, Elevated Liver enzymes and Low platelets (HELLP) syndrome. Both syndromes are associated with extensive maternal and perinatal mortality, and morbidity with life long consequences. We aimed to investigate differences(More)
Preterm delivery is the leading cause of neonatal morbidity and mortality. Two-thirds of preterm deliveries are idiopathic. The initiating molecular mechanisms behind spontaneous preterm delivery are unclear. Umbilical cord blood DNA samples are an easy source of material to study the neonatal state at birth. DNA methylation changes can be exploited as(More)
The maternal immune system must adapt to tolerate the invasion of the allogeneic feto-placental unit. It is generally accepted that improper adaptation causes pregnancy complications like preeclampsia. The Epstein-Barr virus-induced gene 3 (EBI3) protein is a subunit of immune-modulatory cytokines interleukin 27 (IL-27) and IL-35. EBI3 has been reported to(More)
Hypertension remains the main risk factor for cardiovascular death. Environmental and biological factors are known to contribute to the condition, and circulating creatine kinase was reported to be the main predictor of blood pressure in the general population. This was proposed to be because of high resistance artery creatine kinase-BB rapidly regenerating(More)
INTRODUCTION Lysosomal glucosidase beta acid (GBA) deficiency is inherent to Gaucher disease, Parkinsonism and Lewy-body dementia. Increased GBA expression has never been associated with human disease. We describe increased GBA expression and activity in placenta from preeclamptic pregnancies. METHODS 112 placenta biopsies were available for qPCR,(More)
The disaccharide galactose(alpha)1,3 galactose (the alphaGal epitope) is the major xenoantigen responsible for the hyperacute vascular rejection occurring in pig-to-primates organ transplantation. The synthesis of the alphaGal epitope is catalyzed by the enzyme alpha1,3-galactosyltransferase (alpha1,3GalT). To be able to control porcine alpha1,3GalT gene(More)
OBJECTIVE To investigate total bile acid (TBA) levels in maternal (MB) and umbilical cord blood (UCB) in normotensive, preeclamptic (PE), and PE pregnancies complicated by hemolysis elevated liver enzymes and low platelets (HELLP) syndrome in the context of ABCG2 placental gene expression levels, a recently reported placental bile acid transporter. (More)
INTRODUCTION The endothelial glycocalyx, consisting of membrane-bound proteoglycans and attached glycosaminoglycans plays an important role in vascular homeostasis. We aimed to assess whether glycocalyx mRNA transcripts are differentially expressed in placental tissue of pre-eclamptic and normotensive women. METHODS We evaluated the expression of(More)
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