2B, 2C, 2E, and 2F). TFF were expressed in normal whole lung and airways. TFF2 was the most abundant and was enriched in airways. Injury of the airway epithelium by 300 mg/kg naphthalene caused a significant induction oftff1gene expression at 24 h, 4 days, and 7 days. In contrast,tff2was decreased Continue Reading