IL17F and asthma: The association of the IL-17F (A7488G) polymorphism with susceptibility to the disease was reported, e.g. for the development of asthma (Kawaguchi et al. 2006; Qian et al. 2012), IBD (Arisawa et al. 2008; Seiderer et al. 2008), autoimmune thyroid diseases (Yan et al. 2012) and the most recently with MS (Wang et al. 2014) and acute myeloid leukaemia (Wróbel et al. 2014).