GZMK and atherosclerosis: Nevertheless, whether activation and clonal expansion of CD8+ GzmK+ T cells in human atherosclerotic plaques is achieved through stimulation of TCRs specific against known atherosclerosis associated auto-antigens such as oxLDL, ApoB100 or HSP60/65, and whether CD8+ GzmK+ are causally associated with atherosclerotic CVD remains to be investigated.