Objective: In this work, distributions of the interrelated proteins: the fibroblast growth factor receptor (FGFR), bone morphogenetic protein-4 (BMP-4), rasp21 protein , thyroid transcription factor-1(TTF-1) and surface protein-b(SP-B) in human fetal lung were determined, their important function properties in regulating lung morphogenesis , differentiation and maturation were studied, as well as their relationships between each other.
Methods: 15 specimens of human fetal lungs (from the 12thw to...