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Prebeta1-high-density lipoprotein (prebeta1-HDL) concentration can change with low-density lipoprotein-cholesterol (LDL-C) concentration independent of cholesteryl ester transfer protein (CETP). 2000

T Miida, and K Ozaki, and T Murakami, and T Kashiwa, and T Yamadera, and T Tsuda, and K Inano, and M Okada
Department of Laboratory Medicine, Niigata University School of Medicine, Asahimachi 1-757, Niigata, Japan. miida@med.niigata-u.ac.jp

To clarify whether prebeta1-high-density lipoprotein (prebeta1-HDL) concentration changes with low-density lipoprotein-cholesterol (LDL-C) concentration independent of cholesteryl ester transfer protein (CETP), we determined prebeta1-HDL concentration by native two-dimensional gel electrophoresis in 58 subjects with normal triglyceride and HDL-cholesterol concentrations. We also measured LDL-C and CETP concentrations. In 17 subjects, a second blood sample was taken 1-6 months after the first. We found that prebeta1-HDL concentration was positively correlated with LDL-C concentration (r=0.529, P<0.0001) and with CETP mass (r=0.398, P<0.01). In 17 patients, Deltaprebeta1-HDL was positively correlated with DeltaLDL-C (r=0.635, P<0.01), but not with DeltaCETP mass (r=0.275). In conclusion, prebeta1-HDL concentration changes with LDL-C concentration independent of CETP. These results suggest that prebeta1-HDL concentration may reflect the balance between several regulatory factors, including LDL-C and CETP concentrations.

UI MeSH Term Description Entries
D008075 Lipoproteins, HDL A class of lipoproteins of small size (4-13 nm) and dense (greater than 1.063 g/ml) particles. HDL lipoproteins, synthesized in the liver without a lipid core, accumulate cholesterol esters from peripheral tissues and transport them to the liver for re-utilization or elimination from the body (the reverse cholesterol transport). Their major protein component is APOLIPOPROTEIN A-I. HDL also shuttle APOLIPOPROTEINS C and APOLIPOPROTEINS E to and from triglyceride-rich lipoproteins during their catabolism. HDL plasma level has been inversely correlated with the risk of cardiovascular diseases. High Density Lipoprotein,High-Density Lipoprotein,High-Density Lipoproteins,alpha-Lipoprotein,alpha-Lipoproteins,Heavy Lipoproteins,alpha-1 Lipoprotein,Density Lipoprotein, High,HDL Lipoproteins,High Density Lipoproteins,Lipoprotein, High Density,Lipoprotein, High-Density,Lipoproteins, Heavy,Lipoproteins, High-Density,alpha Lipoprotein,alpha Lipoproteins
D008078 Cholesterol, LDL Cholesterol which is contained in or bound to low density lipoproteins (LDL), including CHOLESTEROL ESTERS and free cholesterol. LDL Cholesterol,Cholesteryl Linoleate, LDL,LDL Cholesteryl Linoleate,Low Density Lipoprotein Cholesterol,beta-Lipoprotein Cholesterol,Cholesterol, beta-Lipoprotein,beta Lipoprotein Cholesterol
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D008954 Models, Biological Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment. Biological Model,Biological Models,Model, Biological,Models, Biologic,Biologic Model,Biologic Models,Model, Biologic
D012016 Reference Values The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality. Normal Range,Normal Values,Reference Ranges,Normal Ranges,Normal Value,Range, Normal,Range, Reference,Ranges, Normal,Ranges, Reference,Reference Range,Reference Value,Value, Normal,Value, Reference,Values, Normal,Values, Reference
D002352 Carrier Proteins Proteins that bind or transport specific substances in the blood, within the cell, or across cell membranes. Binding Proteins,Carrier Protein,Transport Protein,Transport Proteins,Binding Protein,Protein, Carrier,Proteins, Carrier
D005260 Female Females
D006023 Glycoproteins Conjugated protein-carbohydrate compounds including MUCINS; mucoid, and AMYLOID glycoproteins. C-Glycosylated Proteins,Glycosylated Protein,Glycosylated Proteins,N-Glycosylated Proteins,O-Glycosylated Proteins,Glycoprotein,Neoglycoproteins,Protein, Glycosylated,Proteins, C-Glycosylated,Proteins, Glycosylated,Proteins, N-Glycosylated,Proteins, O-Glycosylated
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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