Cancer stem cells(CSC) are a kind of undifferentiated cells with three properties of self-renewal,unlimited proliferation and pluripotency.

• 肿瘤干细胞是一类未分化的原始肿瘤细胞,具有三大显著的生物学特性即自我更新的能力、无限增殖的能力及多分化潜能性。