The machinism that DCC gene influences the colorectal carcinoma expressing type may be the loss of its ability in inhibitting cell proliferation when it is inactived.

• 其可能作用机制是DCC基因失活后导致其抑制细胞增殖的特性丧失，从而使大肠癌细胞获得更强的浸润和转移能力。