The 8 new mutations included three in genes that normally suppress the growth of tumor cells, one being the PTPRT tyrosine phosphatase gene, which is sometimes found mutated in colon cancer.

• 8个新的突变位点中，有3个基因通常起到抑制肿瘤细胞生长的功能，另外一个PTPRT酪氨酸磷酸酶基因在结肠癌中会发生突变。