CDH5 and neoplasm: Tumour cell suspensions were sorted by flow cytometry into three subpopulations (in duplicate) of >10,000 cells, total mouse MHC1−ve cells (bulk tumour), mouse MHC1−VE/VE-cadherin−VE cells and mouse MHC1−VE/VE-cadherin+VE cells (Fig. 5a,b).