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9) Many risk factors modulate the propensity of LDL-C to traverse the endothelium and enter the arterial intima. See 🔓academic.oup.com/eurheartj/arti…. 
10) It now appears that the passage of #LDL into the #intima is not a merely passive process whereby the concentration in blood & the permeability of the endothelium determine LDL accumulation.
11) It’s #Transcytosis (an active process), through a vesicular pathway involving #caveolae, scavenger receptors (#SRB1) and activin like receptor kinase 1 (#ALK1). Hence for a given blood level of LDL-C the amount of atherosclerosis is variable.
