PLUNC (BPI fold-containing family A member 1, Lung-specific protein X, Nasopharyngeal carcinoma-related protein, Palate lung and nasal epithelium clone protein, Secretory protein in upper respiratory tracts, short PLUNC1, SPLUNC1, Tracheal epithelium-enriched protein, Von Ebner protein Hl, BPIFA1, LUNX, NASG, SPURT, SPLUNC1)