One of the 5 metastatic human colon carcinoma cell lines (T84) is sensitive to FasL-induced apoptosis, but 4 of the 5 metastatic human colon carcinoma cell lines (SW620, LS174T, Colo201 and Colo205) are resistant to Fas-mediated apoptosis. Here, FASLG is linked to colon carcinoma.