SDC4 has been reported as a cancer driver gene [52] and was up-regulated in our study (FC=5.12, Figure 4H), which was in accordance with two previous studies using microarrays [4, 25]; Griffith et al. reported a 3.32 FC [25], and Chung et al. detected a 3.90 FC [4]. Here, SDC4 is linked to cancer.