학술논문

The associations of oxidized lipoprotein lipids with lipoprotein subclass particle concentrations and their lipid compositions. The Cardiovascular Risk in Young Finns Study.
Document Type
Academic Journal
Author
Kresanov P; From Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Finland; Centre for Population Health Research, University of Turku and Turku University Hospital, Finland. Electronic address: ppakre@utu.fi.; Mykkänen J; From Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Finland; Centre for Population Health Research, University of Turku and Turku University Hospital, Finland.; Ahotupa M; From Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Finland.; Ala-Korpela M; Computational Medicine, Faculty of Medicine, University of Oulu and Biocenter Oulu, Oulu, Finland; NMR Metabolomics Laboratory, School of Pharmacy, University of Eastern Finland, Kuopio, Finland.; Juonala M; Department of Internal Medicine, University of Turku, Finland; Division of Medicine, Turku University Hospital, Finland.; Kaikkonen J; From Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Finland; Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, Kuopio, Finland.; Kähönen M; Department of Clinical Physiology, Tampere University Hospital and Faculty of Medicine and Health Technology, Tampere University, Finland.; Lehtimäki T; Department of Clinical Chemistry, Fimlab Laboratories, And Finnish Cardiovascular Research Center - Tampere, Faculty of Medicine and Health Technology, Tampere University, Tampere, 33520, Finland.; Vasankari T; The UKK Institute for Health Promotion Research, Tampere, Finland; The National Institute for Health and Welfare, Helsinki, Finland.; Viikari J; Department of Medicine, University of Turku and Turku University Hospital, Turku, Finland.; Raitakari OT; From Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Finland; Centre for Population Health Research, University of Turku and Turku University Hospital, Finland; Departments of Clinical Physiology and Nuclear Medicine, Turku University Hospital, Finland.
Source
Publisher: Elsevier Science Country of Publication: United States NLM ID: 8709159 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-4596 (Electronic) Linking ISSN: 08915849 NLM ISO Abbreviation: Free Radic Biol Med Subsets: MEDLINE
Subject
Language
English
Abstract
Objective: Oxidation of low-density lipoprotein (LDL) may promote atherosclerosis, whereas the reverse transport of oxidized lipids by high-density lipoprotein (HDL) may contribute to atheroprotection. To provide insights into the associations of lipoprotein lipid oxidation markers with lipoprotein subclasses at the population level, we investigated the associations of oxidized HDL lipids (oxHDL lipids ) and oxidized LDL lipids (oxLDL lipids ) with lipoprotein subclasses in a population-based cross-sectional study of 1395 Finnish adults ages 24-39 years.
Methods: The analysis of oxidized lipids was based on the determination of the baseline level of conjugated dienes in lipoprotein lipids. A high-throughput nuclear magnetic resonance (NMR) platform was used to quantify circulating lipoprotein subclass concentrations and analyze their lipid compositions.
Results: OxHDL lipids were mainly not associated with lipoprotein subclass lipid concentrations and lipid composition after adjustment for Apolipoprotein-A1 (Apo-A1), waist circumference and age. OxLDL lipids were associated with several markers of lipoprotein subclass lipid concentrations and composition after adjustment for Apolipoprotein-B (Apo-B), age and waist circumference. Several measures of HDL and LDL subclasses, including phospholipid and triglyceride composition, associated directly with oxLDL lipids. Cholesterol ester and free cholesterol composition in HDL and LDL associated inversely with oxLDL lipids .
Conclusion: We conclude that these results do not support the idea that HDL's particle size or composition would reflect its functional capacity in the reverse transport of oxidized lipids. On the contrary, oxLDL lipids were associated with the entire lipoprotein subclass profile, including numerous associations with the compositional descriptors of the particles. This is in line with the suggested role of LDL oxidation in atherogenesis.
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