نتایج جستجو برای: lipoprotein
تعداد نتایج: 49676 فیلتر نتایج به سال:
Background: Dyslipidemia is considered an independent risk factor for coronary heart disease (CHD). In the present study, we examined lipid profiles and paraoxonase 1 (PON1) activity and atherogenic indexes status and the relationship of PON1 activity by high-density lipoprotein (HDL) and atherogenic indexes in CHD patients and healthy people. Methods: The aim of the study was to compare PON...
Monitoring the major lipoprotein classes, particularly low-density lipoproteins (’bad’ LDL) and high-density lipoproteins (’good’ HDL) for characterizing risk of cardiovascular disease (CVD) is well-accepted and routine in clinical practice. However, it is only one-half of the truth as lipoprotein classes comprise non-homogeneous populations of lipoprotein particles varying significantly in the...
OBJECTIVE Cyclosporin A (CsA) is an immunosuppressant commonly used to prevent organ rejection but is associated with hyperlipidemia and an increased risk of cardiovascular disease. Although studies suggest that CsA-induced hyperlipidemia is mediated by inhibition of low-density lipoprotein receptor (LDLr)-mediated lipoprotein clearance, the data supporting this are inconclusive. We therefore s...
background: there is evidence that cd36 promotes foam cell formation through internalizing oxidized ldl (ox-ldl) into macrophages therefore, it plays a key role in pathogenesis of atherosclerosis. in addition, cd36 expression seems to be mediated by nuclear receptor peroxisome proliferator-activated receptor gamma (ppar-γ). the aim of the present study was to evaluate and compare the effect of ...
A lipoprotein mutant of E. coli K-12 has been characterized. The mutant lipoprotein was found to differ from the wild-type lipoprotein in the following respects: (i) it is present in an appreciable amount in the soluble fraction (275,000 X g supernatant); (ii) it lacks the covalently-linked diglyceride; (iii) it contains an unmodified cysteine which can be carboxymethylated in vitro; (iv) it un...
Tumor gangliosides are biologically active (immunosuppressive and tumor-enhancing) cell surface molecules which are shed into the circulation in vivo. However, the mechanism of transport of these molecules (i.e., in solution or bound to proteins or other lipids) is not known. To resolve this question we traced, by direct chemical detection, the serum localization of a specific human tumor gangl...
Plasma lipid concentrations cannot properly account for the complex interactions prevailing in lipoprotein (patho)physiology. Sequential ultracentrifugation (UCF) is the gold standard for physical lipoprotein isolations allowing for subsequent analyses of the molecular composition of the particles. Due to labor and cost issues, however, the UCF-based isolations are usually done only for VLDL, L...
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