SFTPA2 and asthma: It is has been identified that the 10-AA derived from carbohydrate recognition domain of SP-A2 has activity similar to the full length oligomeric protein in treating inflammatory aspects of asthma.4,24 The use of small SP-A-derived peptides offers several advantages over full-length SP-A for therapeutic applications, including enhanced stability, greater bioavailability, and improved formulation feasibility, such as drug delivery.