Fig. 1From: Comparison of pro- and anti-inflammatory responses in paired human primary airway epithelial cells and alveolar macrophagesCharacterization of primary human tracheobronchial epithelial cell (TBEC) and alveolar macrophages (AM) under submerged cultures. a TBEC showing features of basal cells with positive staining for cytokeratin-5 (KRT5 in red, DAPI in blue, 400X.); b Negative control for KRT5 stained with DAPI in blue (400X); c Primary alveolar macrophages (AM) stained positive for CD68 (red) and DAPI (blue, 400X); d Negative control for CD68, stained with DAPI in blue (400X)Back to article page