IL4 and asthma: There are other experimental studies on BALF cytology and cytokine response (IL-4, Il-5, IL-13, IL-17 and IFN-γ) in animals only with individual exposure to OVA in OVA-induced asthma [29,32,33]; the impact of anti-Il-17 [33] or dexamethasone [29,32] treatment alone in this model was evaluated.