['To determine the role of NOTCH during the arterial injury response and the subsequent chronic arterial-wall inflammation underlying atherosclerosis.', 'We have generated a mouse model of endothelial-specific (Cdh5-driven) depletion of the Notch effector recombination signal binding protein for immunoglobulin kappa J region (RBPJ) [(ApoE'] Does endothelial Jag1-RBPJ signalling promote inflammatory leucocyte recruitment and atherosclerosis?