特征特性
The cells are negative for expression of CSAp(CSAp-) and colon antigen 3.The line is positive for expression of c-myc, K-ras, H-ras, N-ras, Myb, sis and fos oncogenes.N-myc and sis oncogene expression were not detected.Tumor specific nuclear matrix proteins CC-3 and CC-4 are expressed.