Abbreviation: ANGPTLs, angiopoietin-like proteins including angiopoietin-like proteins 3, 4, and 8. Apos: apolipoproteins including apolipoprotein-CI, -CII, -CIII, -AV and -E. CM, chylomicron. ER, endoplasmic reticulum. HSPG, heparan sulfate proteoglycan. LMF1, lipase maturation factor 1. SEL1L, Sel-1 suppressor of Lin-12-Like 1. VLDL, very low-density lipoproteins.