this led to the identification in cml cells of the bcr-abl fusion gene and its corresponding protein, which is now firmly established as the unique cause of the initial, or 「chronic, 」 phase of cml.
这一发现使人们可以在cml细胞中鑒定出bcr-abl融合基因及其所编码的蛋白质,目前已肯定该蛋白是导致cml起病或处于「慢性」阶段的特有致病因素。