SELP and colorectal carcinoma: CRC express CD44v isoforms are sialofucosylated on O-linked glycans alike P-selectin ligands (Hanley et al., 2006), where antibody blocking and targeted deletion confirmed the contribution of this P-selectin ligand CD44v isoform to jointly with α4β1 promoting firm adhesion followed by extravasation (Katayama et al., 2003).