Increased levels of IL-17 (Martínez-García et al., 2011; Toldi et al., 2011; Darmochwal-Kolarz et al., 2012) and IL-18 (Huang et al., 2005; Seol et al., 2009; El-Kabarity and Naguib, 2011) have been reported in preeclampsia patients. The gene discussed is IL17A; the disease is preeclampsia.