CXCL8 and asthma: IL-33 [64,65], CXCL8 [18,132,133,134], IL-17 [135], C3a/C5a [72,136,137], IL-1β [99,108] and LPS [18,72,80,138], associated with asthma pathophysiology [108,139], are important inducers of NET formation.