Aldehyde dehydrogenase 1 family, member A1, also known as ALDH1A1 or retinaldehyde dehydrogenase 1, is an enzyme that is encoded by the ALDH1A1 gene. From Wikipedia
A University of Osaka-led team traced airway injury to reactive aldehyde buildup, pinpointing ALDH1A1 augmentation as a means to revive the lungs’ self-cleaning function