Various evidences indicated that inflammation related cytokines and chemokines were involved in the initiation and progression of CAD, such as IL-2, IL-6, IL-9, IL-10, IL-17, TNF-a, IFN-g (Hashmi and Zeng, 2006; Lu et al., 2013; Al Shahi et al., 2015; Tang et al., 2015; Zhu et al., 2015; Min et al., 2017). This evidence concerns the gene IL17A and coronary artery disorder.