Atherosclerotic plaques, B cells, C1Q, CD142, CD29, CD90, Carotid Atherosclerosis, Human, IL1B, NK cells, SMC, SMC-derived cell types, SMC-derived foam cell, SMC-specific genes, SMCs, T cells, TREM2, TREM2 positive foam cell subsets, atherosclerosis, cardiovascular disease, carotid atherosclerosis, cell populations, classically activated endothelial cells, coronary atherosclerotic lesions, dendritic cells, derived cells, efferocytotic macrophages, endothelial cells, fibroblasts, foamy SMC, human, inflammatory SMCs, inflammatory genes, macrophage populations, macrophages, mast cells, neutrophils, patients, plasma cells, scRNA, smooth muscle cells, transcriptomes