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. 2022 Oct 17;9:913869. doi: 10.3389/fcvm.2022.913869

FIGURE 1.

FIGURE 1

Lipoproteins metabolism and the arterial wall. Chylomicrons of different sizes needed to be converted into metabolic remnants, while VLDL needed to be metabolized to LDL to be cleaned. After being digested, CM and VLDL entered into the plasma and began to be lipolysis by lipoprotein lipase. Then CM remnants and VLDL remnant-like particles with higher density and smaller molecular weight were formed, respectively. Lipoproteins larger than 75 nm were not easily available to get across the arterial intima, such as chylomicrons. LPL, lipoprotein lipase; HL, hepatic lipase; VLDL, very-low-density lipoprotein; IDL, intermediate-density lipoprotein; LDL, low-density lipoprotein; FFA, free fatty acid; RC, remnant cholesterol.