
Keywords: Transendothelial migration; THP-1 cells; Endothelial cells; Atherosclerosis; Modified risk tobacco product; Tobacco-heating system; 7-AAD; 7-aminoactinomycin D; BSA; bovine serum albumin; CIM; cell invasion/migration; CXCL12; C-X-C motif ligand 12; HCAECs