CYP450-epoxygenase (CYP2J2) polymorphisms have been reported in different populations related to its role in cardiovascular function, including hypertension (Lee et al., 2007; Feng et al., 2008; Fava et al., 2010; Jie et al., 2010; Wang et al., 2010; Zordoky and El-Kadi, 2010; Xu et al., 2011). Here, CYP2J2 is linked to hypertensive disorder.