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Träfflista för sökning "WFRF:(Hamsten Anders) ;pers:(de Faire Ulf);pers:(Rosell Magdalena)"

Sökning: WFRF:(Hamsten Anders) > De Faire Ulf > Rosell Magdalena

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1.
  • Sjögren, Per, et al. (författare)
  • Autoantibodies against modified apolipoprotein B-100 in relation to low-density lipoprotein size and the metabolic syndrome in otherwise healthy men
  • 2008
  • Ingår i: Metabolism. - Elsevier Inc.. - 0026-0495. ; 57:3, s. 362-366
  • Tidskriftsartikel (refereegranskat)abstract
    • The role of inflammation in atherosclerotic disease is well established, but the role of autoantibodies against modified apolipoprotein (apo) B-100 remains unclear. The metabolic syndrome is associated with a proinflammatory state, a predominance of small dense low-density lipoprotein (LDL) particles, and an increased risk for atherosclerotic diseases. Previous studies have shown specific autoantibodies against modified apo B-100 (within LDL) to be related to human atherosclerotic disease. The objective of the present study was to investigate whether autoantibodies against modified apo B-100 are related to parameters of the metabolic syndrome, such as small dense LDL. Two hundred ninety-one healthy men were investigated for different metabolic, anthropometric, and inflammatory variables; LDL peak particle size; and distribution of LDL in 4 subfractions. Subjects were grouped according to LDL peak size >= 23.5 nm (pattern A, n = 230) or <23.5 nm (pattern B, n = 61). Immunoglobulin (Ig) G and IgM antibodies against 2 aldehyde-modified peptide sequences, denoted as 45 and 210, within apo B-100 were quantified. Levels of IgG(45), but not the other autoantibodies, were significantly higher in pattern B individuals (with a predominance of small dense LDL particles) compared with pattern A (P < .01). Relationships for both IgG(45) and IgG(210) with parameters typically associated with the metabolic syndrome were found. Only IgG(45) tended to be higher in individuals with the metabolic syndrome compared with those without (P = .07). We conclude that subjects with a predominance of small dense LDL particles have elevated concentrations of IgG(45) in the circulation, which reflect an activated immune response to a specific epitope of modified apo B-100.
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2.
  • Sjögren, Per, et al. (författare)
  • Markers of endothelial activity are related to components of the metabolic syndrome, but not to circulating concentrations of the advanced glycation end-product N epsilon-carboxymethyl-lysine in healthy Swedish men
  • 2007
  • Ingår i: Atherosclerosis. - 0021-9150. ; 195:2, s. e168-e175
  • Tidskriftsartikel (refereegranskat)abstract
    • Endothelial function is considered important in the development of cardiovascular diseases and type 2 diabetes. Circulating advanced glycation end-products (AGEs) and dietary components have been shown to affect endothelial function in type 2 diabetics, but determinants of endothelial function in a non-diabetic population are more poorly investigated. Therefore, we investigated relationships between dietary habits, AGEs and endothelial activation in men with isolated metabolic disturbances. Circulating markers of endothelial activation (soluble forms of vascular cell adhesion molecule-1, intercellular adhesion molecule-1, E-selectin and von Willebrand factor) and plasma N epsilon-carboxymethyl-lysine (CML, the predominant AGE in human plasma) were analyzed in a cross-sectional study of 294 healthy men. Individuals completed a 7-day dietary record, and metabolic and inflammatory parameters were determined. NCEP/ATPIII-criteria were used to define the metabolic syndrome. Endothelial activation was higher in individuals with the metabolic syndrome, and was positively related to certain features of the syndrome (insulin, glucose, inflammation and obesity), but not to others (triacylglycerol and blood pressure). Dietary factors were related to endothelial activation, but CML was not. Multivariate analysis revealed energy and alcohol intake, along with insulin and markers of oxidative stress and inflammation, to be positive predictors of endothelial activation. In this cohort of otherwise healthy men, endothelial activation was increased in individuals with the full metabolic syndrome, but not in those with only some of the components of the metabolic syndrome. Insulin resistance, inflammation, oxidative stress, the dietary intake of energy and alcohol, but not plasma CML, predicted endothelial activation in these men.
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