It has recently been reported that NrCAM is also expressed in a variety of other tissues, endothelial cells, certain tumour cell lines, and human cancers (Wang et al, 1998; Glienke et al, 2000; Dhodapkar et al, 2001; Aitkenhead et al, 2002; Conacci-Sorrell et al, 2002a). Here, NRCAM is linked to cancer.