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[Study on the content of serum HDL subclasses in obese subjects]. 2001

Y Xu, and M Fu, and Y Xu, and B Liu
Apolipoprotein Research Laboratory, School of Basic Medical Sciences, WCUMS, Chengdu 610041, China.

OBJECTIVE To investigate the change of the contents of serum HDL subclasses in obese subjects. METHODS Contents of serum HDL subclasses in healthy controls(n = 64) and obese subjects(n = 58) were determined by two-dimensional gel electrophoresis associated with immunodetection method. RESULTS The pre-beta 1 HDL, HDL3c and HDL3b contents increased significantly (P < 0.001) and the HDL2b content decreased significantly (P < 0.001) in obese subjects as compared with those in healthy controls. In male obese subjects, the pre-beta 1 HDL and HDL3c levels were significantly higher(P < 0.01 and P < 0.05, respectively) and HDL2b level was significantly lower(P < 0.05), compared with those in female obese subjects. In male control subjects, the level of pre-beta 1 HDL was significantly higher than that in female subjects. In obese subjects, the concentrations of BMI and serum TG had positive correlation with those of pre-beta 1 HDL(r = 0.382, P < 0.001), HDL3c(r = 0.232, P < 0.05) and HDL3b(r = 0.294, P < 0.01) and negative correlation with that of HDL2b(r = -0.304, P < 0.01). CONCLUSIONS The particle size of HDL in obese subjects showed a general shift toward smaller size, which indicated that the maturation of HDL could be abnormal in obese subjects. The particle size of HDL was found to be smaller in both obese and control male subjects than in female subjects, suggesting that sex seems to be related to the contents of serum HDL subclasses.

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
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009765 Obesity A status with BODY WEIGHT that is grossly above the recommended standards, usually due to accumulation of excess FATS in the body. The standards may vary with age, sex, genetic or cultural background. In the BODY MASS INDEX, a BMI greater than 30.0 kg/m2 is considered obese, and a BMI greater than 40.0 kg/m2 is considered morbidly obese (MORBID OBESITY).
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D015180 Electrophoresis, Gel, Two-Dimensional Electrophoresis in which a second perpendicular electrophoretic transport is performed on the separate components resulting from the first electrophoresis. This technique is usually performed on polyacrylamide gels. Gel Electrophoresis, Two-Dimensional,Polyacrylamide Gel Electrophoresis, Two-Dimensional,2-D Gel Electrophoresis,2-D Polyacrylamide Gel Electrophoresis,2D Gel Electrophoresis,2D PAGE,2D Polyacrylamide Gel Electrophoresis,Electrophoresis, Gel, 2-D,Electrophoresis, Gel, 2D,Electrophoresis, Gel, Two Dimensional,Polyacrylamide Gel Electrophoresis, 2-D,Polyacrylamide Gel Electrophoresis, 2D,Two Dimensional Gel Electrophoresis,2 D Gel Electrophoresis,2 D Polyacrylamide Gel Electrophoresis,Electrophoresis, 2-D Gel,Electrophoresis, 2D Gel,Electrophoresis, Two-Dimensional Gel,Gel Electrophoresis, 2-D,Gel Electrophoresis, 2D,Gel Electrophoresis, Two Dimensional,PAGE, 2D,Polyacrylamide Gel Electrophoresis, 2 D,Polyacrylamide Gel Electrophoresis, Two Dimensional,Two-Dimensional Gel Electrophoresis

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