SPP1 and atherosclerosis: Our analysis also uncovered the phenotypes of the five atherosclerosis-associated immune cell states as similar to lipid-associated Trem2+ MPs (Spp1+ MP1), proinflammatory MPs (Ccl4+ MPs), proliferating MPs (Stmn1+ MPs),1 Nkg7+ Cytotoxic CD8 T cells, and Ramp3+ antigen-specific CD4 T cells.53