The IL-17A/IL-17RA axis is emerging as a key player in both acute and chronic airway inflammatory phases.
Several cell types secrete IL-17A, depending on the inflammatory phase and type of insult.
The IL-17A/IL-17RA axis may modulate host resistance and tolerance mechanisms during airway infectious processes.
IL-17A/IL-17RA axis may drive the resolution of the inflammatory processes or contribute to their pathologic potentials.