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A simple detection method for the serum sFLT1 protein in preeclampsia
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A simple detection method for the serum sFLT1 protein in preeclampsia
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A simple detection method for the serum sFLT1 protein in preeclampsia
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Journal Article
A simple detection method for the serum sFLT1 protein in preeclampsia
2021
Overview
In normal pregnancy, the soluble form of FMS-like tyrosine kinase-1 (sFLT1)/ vascular endothelial growth factor receptor-1 (sVEGFR-1), a VEGF-trapping protein, is expressed in trophoblasts of the placenta, suggesting that it plays an important role in the physiological barrier between fetal and maternal angiogenesis, when stimulated with VEGF-A. In pathological conditions such as preeclampsia (PE), sFLT1 protein is abnormally overexpressed in trophoblasts and secreted into the serum, which could cause hypertension and proteinuria on the maternal side and growth retardation on the fetal side. Detection of an abnormal increase in serum sFLT1 during the early to middle stages of PE is essential for proper initiation of medical care. To carry out this screening for sFLT1, we developed an easier and relatively low-cost sandwich-type ELISA method using a single mixture of human serum sample with an anti-FLT1 antibody and heparin-beads, namely heparin-beads-coupled ELISA (HB-ELISA). This method takes only about 2 h, and the sFLT1 values were similar levels with commercially available recent ELISA kits: the serum sFLT1 protein was approximately 4.3-fold increased in severe PE compared with those in normal pregnancy.
Publisher
Springer Science and Business Media LLC,Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ 631/337
/ 692/53
/ Adult
/ Enzyme-Linked Immunosorbent Assay
/ Enzyme-Linked Immunosorbent Assay - methods
/ Female
/ Fetuses
/ Heparin
/ Humanities and Social Sciences
/ Humans
/ Medicine
/ Placenta
/ Proteins
/ Q
/ R
/ Science
/ Vascular endothelial growth factor
/ Vascular Endothelial Growth Factor Receptor-1
/ Vascular Endothelial Growth Factor Receptor-1 - analysis
/ Vascular Endothelial Growth Factor Receptor-1 - blood
/ Vascular Endothelial Growth Factor Receptor-1 - metabolism
