Numerous studies have demonstrated the key role of α(1,6)fucosylation in the activity of proteins strongly implicated in both tumour growth, such as EGFR, TGFR-β1 or VEGFR-2 [6-8], and tumour dissemination, for example, E-cadherin or α3β1 and α5β1 integrins [9-11]. Here, KDR is linked to neoplasm.