16bonecelldistalepithelial cellleftlungneonatal respiratory failureproteinrespiratory failuresmad1-and-its-target-gene-wif1-coordinate-bmp-andFalseE-GEOD-265026321mouseSmad1 and its target gene Wif1 coordinate BMP and Wnt signaling activities to regulate lung development16insulinlungrespiratory failureexpression-data-from-e185-igf1-homozygous-mutant-aFalseE-GEOD-171578425mouseExpression data from E18.5 Igf1 -/- (homozygous mutant) and Igf1+/+ (normal wild type control) mouse lungs