Intrauterine growth restriction (IUGR) affects up to 10% of pregnancies in Western societies. IUGR is a strong predictor of reduced short-term neonatal survival and impairs long-term health in children. Placental insufficiency is often associated with IUGR; however, the molecular mechanisms involved in the pathogenesis of placental insufficiency and IUGR are largely unknown. Here, we developed a mouse model of fetal-growth restriction and placental insufficiency that is induced by a midgestational stress challenge. Compared with control animals, pregnant dams subjected to gestational stress exhibited reduced progesterone levels and placental heme oxygenase 1 (
María Emilia Solano, Mirka Katharina Kowal, Greta Eugenia O’Rourke, Andrea Kristina Horst, Kathrin Modest, Torsten Plösch, Roja Barikbin, Chressen Catharina Remus, Robert G. Berger, Caitlin Jago, Hoang Ho, Gabriele Sass, Victoria J. Parker, John P. Lydon, Francesco J. DeMayo, Kurt Hecher, Khalil Karimi, Petra Clara Arck
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