Secreted cytokine-like protein. Inhibits cell growth in vitro.
Subcellular locations: Secreted
Highly expressed in lung and prostate . Also found in mammary gland, spleen, pancreas, testis and liver . Detected throughout the airway epithelium in lung, with highest expression in large airways . Found in lung submucosal glands where it localizes to acinar and ductile cells . Not detected in respiratory bronchioles, alveolar ducts or alveolar epithelium . In mammary gland, specifically localizes to luminal epithelial cells .