EPHB4 and neoplasm: Our data did not show any significant reduction in tumor growth in the EFNB2fl/flTie2-Cre-ERT mice implanted with Moc2 EphB4 KO tumors compared to the control tumors in EFNB2fl/flTie2-Cre-ERT mice (Fig. 4d and Supplementary Fig. 11d).