نتایج جستجو برای: cholesterol removal
تعداد نتایج: 226981 فیلتر نتایج به سال:
The concentration of cholesterol in the low-density-lipoprotein (LDL) fraction of plasma is one of the major risk factors for coronary heart disease. Steady-state concentrations of LDL cholesterol in the plasma are determined primarily by the production rate and the rate of removal of LDL cholesterol from the circulation by receptor-dependent transport. The magnitude of these two processes is a...
Male adult rabbits were divided into five experimental groups and were fed a 2% cholesterol diet using the following schedule: (A) two groups, normal control diet; (B) one group, 60 days continuous diet (60 day); (C) one group, 30 days cholesterol 30 days control diet (3030); (D) one group, 60 days cholesterol, 30 days control diet (60-30). Aortic collagen synthesis was estimated by measuring t...
Cholesterol-4-(14)C was injected intravenously into a series of normal men, untreated hyperlipidemic patients, and hyperlipidemic patients being treated with cholestyramine. The specific radioactivity of plasma total cholesterol was measured during the ensuing 10 wk. 16 studies were carried out in 10 subjects. Analysis of the turnover curves of plasma cholesterol revealed that in every study th...
The objective of this study was to compare the efficiency CIDR-eCG protocol with or without melatonin treatment on blood plasma metabolites in anestrus Murrah buffaloes during out-of-breeding season. Twelve lactating were allotted control and treated groups each six animals. Treated implanted (18 mg / 50 kg body weight) for 45 days, then animals both received CIDR 9 days. All 500 IU eCG intramu...
The use of cyclodextrins as tools to establish the role of cholesterol rafts in cellular functions has become a widely accepted procedure. However, the adverse effects of cyclodextrins as the cholesterol-depleting agents on cellular structure and functions are not reported in detail. Therefore, in the current study, we investigated the membrane-perturbing actions and cytotoxicity of the two wid...
To investigate the role of various lipoproteins in plasma to promote cholesterol efflux from cell membranes, potencies of lipoproteins in normolipidemic fasting and postprandial (PP) plasmas to accept additional cholesterol molecules from cell membranes were determined. We used red blood cells (RBCs) and lipoproteins in fresh blood as donors and acceptors of cell membrane cholesterol, respectiv...
In this report, the role of vascular allergy (i.e., hypersensitivity) in the potentiation of atherogenesis has been studied. In order to accomplish this, bovine serum albumin (BSA) was administered to rabbits in quantities sufficient to cause the occurrence of serum sickness (a type of hypersensitivity known to cause injury to the endothelial linings of certain blood vessels). This was immediat...
Mechanical ventilation may lead to an impairment of the endogenous surfactant system, which is one of the mechanisms by which this intervention contributes to the progression of acute lung injury. The most extensively studied mechanism of surfactant dysfunction is serum protein inhibition. However, recent studies indicate that hydrophobic components of surfactant may also contribute. It was hyp...
Sperm membranes have an unusual lipidic composition which is distinct from those of mammalian somatic cells. They have high levels of plasmalogens, a kind of ether-linked lipids, and a high content of polyunsaturated fatty acyl groups. Plasmalogens may form non-diffusible membrane regions or domains, whereas polyunsaturated ethanolamine plasmalogens are known to destabilize the lipidic bilayer....
RATIONALE Hydrolysis of intracellular cholesterol ester (CE) is the key step in the reverse cholesterol transport in macrophage foam cells. We have recently shown that neutral cholesterol ester hydrolase (Nceh)1 and hormone-sensitive lipase (Lipe) are key regulators of this process in mouse macrophages. However, it remains unknown which enzyme is critical in human macrophages and atherosclerosi...
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