Three of these are known to be involved in gastric cancer: MMP7 (Yamashita et al, 1998), SPARC (Wang et al, 2004), and SOD2 (Janssen et al, 2000), and the other four have no such reported associations (INHBA, IGFBP7, NEK6, and LUM). Here, MMP7 is linked to gastric cancer.