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Updated: Oct 4, 2026

High-Density Lipoprotein-Specific Phospholipid Efflux Assay
Published on: September 30, 2025
The role of plasma phospholipid transfer protein (PLTP) in HDL remodeling in acute-phase patients
P J Pussinen1, J Metso, E Malle
1National Public Health Institute, Department of Molecular Medicine, Biomedicum Helsinki, Helsinki, Finland. pirkko.pussinen@helsinki.fi
Abstract:
During reverse cholesterol transport plasma phospholipid transfer protein (PLTP) converts high density lipoprotein(3) (HDL(3)) into two new subpopulations, HDL(2)-like particles and pre-beta-HDL. The acute-phase response is accompanied with dramatic changes in lipid metabolism including alterations in HDL concentration, composition, and thereby its function as a substrate for HDL remodeling proteins in circulation. To evaluate how acute-phase HDL (AP-HDL) functions in PLTP-mediated HDL conversion, we collected plasma samples from patients with severe acute-phase response (n=17), and from healthy controls (n=30). Subsequently, total HDL (1.063
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