LDLR and atherosclerosis: To allow the specific depletion of ILC2 in an otherwise replete immune system, Staggerer/RorαFlox-Cd127Cre mice (which are selectively deficient in ILC2, hereafter known as ILC2KO (ref. 36)) were used as donors in a BM transplant model into atherosclerosis prone Ldlr−/− recipients.