(B) Percent of viable organoids after exposure to hypoxia for 60 min followed by tradition for 1-3 days in the presence of R-spondin 1 and Noggin, with or without HB-EGF (50 ng/ml). newborn rat model of experimental NEC. We also examined the cytoprotective effects of heparin-binding EGF-like growth element (HB-EGF) on intestinal stem cells inin […]