VEGFA and psoriasis: Recently, some studies reported that angiogenic factors may play an important role in the pathogenesis of psoriasis, and accumulating evidence indicates that the levels of vascular endothelial growth factor (VEGF) may be abnormal among the psoriasis population (Canavese et al., 2010; Flisiak et al., 2010; Henno et al., 2010; Wang et al., 2016; Sankar et al., 2017).