KIF11 and neoplasm: Exertier et al. (2013) found that an Eg5 inhibition in in vivo zebrafish and chick embryos models induced vascular defect suppressing tumour angiogenesis and proliferation and inhibiting in vitro endothelial cells proliferation and migration, thus shedding light for the first time on new possible roles for Eg5 inhibitors in cancer therapy [46].