Growth rates of tumor showed a significant decrease at 4th and 5th week in p4-MT1M expressing group and a significant increase at the 3rd, 4th and 5th week in siR-MT1M expressing group, whereas no significance in siR-NC transfected or nontransfected HepG2 cells groups (Figure 2C). The gene discussed is MT1M; the disease is neoplasm.