Regulation of the placental renin-angiotensin system by microRNAs; implications for pregnancies complicated by placental insufficiency?

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Intrauterine growth restriction (IUGR) and preeclampsia (PrE) are life threatening to mother and baby, making the baby susceptible to disease as an adult. One of the major causes of PreE and IUGR is placentation. Placentation is affected by the placental renin-angiotensin system (RAS), which is controlled by microRNAs. We will describe these microRNAs, what controls them; determine their expression and RAS expression in normal pregnancy, IUGR and PrE, thus providing novel biomarkers for their early detection.