Fig. 4From: Genes associated with polymorphic variants predicting lung function are differentially expressed during human lung developmentImmunohistochemistry for CDC123 in 24 fetal lung samples. Protein expression decreases across Pseudoglandular and Canalicular stages of human fetal lung development. a–g embryonic stage, h-t Pseudoglandular stage and u-x Canalicular stage. An isotype control (not shown) gave no background staining. ×40 MagnificationBack to article page