Sipkins said it appears the cancer overproduces a normally expressed molecule called a stem cell factor, which entices normal stem cells into the cancer niche.

斯普金思说，看来癌细胞大量产生一种以正常方式传送的分子，名为干细胞因子，这种分子会引诱正常干细胞到癌细胞的处所。