APOE and atherosclerosis: The H2O2-scavenging polymer of PLGA-diphenyl ring-peroxyoxalate bond-PEG (6s-PLGA-DAr-PO-PEG) loaded with PU was coated with erythrocyte membranes (RPP-PU) then intraperitoneally injected in atherosclerosis-prone apolipoprotein E-deficient (Apoe-/-) mice.