As shown in Figure 3A and 3B, the invasive potential, which is determined by the cells’ ability to invade a Matrigel barrier, was significantly suppressed by Ad-NDRG2 infection in 786-O cells (P =1.46×10-5v.s. Ad- LacZ group) and A498 cells (P =2.23 ×10-5v.s. Ad- LacZ group). The gene discussed is NDRG2; the disease is infection.