نتایج جستجو برای: cholesteryl stereate
تعداد نتایج: 4034 فیلتر نتایج به سال:
Cholesteryl esterase activity has been demonstrated in the corpus luteum of the rat and the cow. The hydrolytic activity in bovine corpora lutea shows two pH optima, and is distributed throughout the particulate and supernatant fractions of the tissue. The greatest activity is present in the 5000 g pellet. The size of the available endogenous cholesteryl ester pools is also estimated. Some prop...
Cultured rabbit aortic smooth muscle cells were converted to foam cells by exposure to sonicated lipid droplets of defined composition using an inverted culture technique. Uptake of the lipid droplets by the cells was shown to be dependent on the time of exposure to the droplets and on the mass of droplets presented to the cells. A comparison of the hydrolysis of triolein and cholesteryl oleate...
Acyl-CoA:cholesterol acyltransferase was found predominantly (85%) in RNA-rich microsomes, the rest being in RNA-poor and smooth microsomes. However, the esterified cholesterol concentration of smooth microsomes was 2-fold greater than that of RNA-rich microsomes, suggesting the possibility of an interaction between RNA-rich and smooth microsomes. The distribution of cholesteryl ester between m...
Approximately 10-15% of individuals infected with Helicobacter pylori will develop ulcer disease (gastric or duodenal ulcer), while most people infected with H. pylori will be asymptomatic. The majority of infected individuals remain asymptomatic partly due to the inhibition of synthesis of cholesteryl α-glucosides in H. pylori cell wall by α1,4-GlcNAc-capped mucin O-glycans, which are expresse...
For the study of cholesteryl ester transfer from different plasma lipoproteins into human aortic tissue, patients scheduled for reconstructive aortic surgery were intravenously injected with autologous in vitro labeled lipoproteins 20 to 24 hours before aortic intima-media samples were obtained during the operation. The injectate contained high density lipoproteins (d greater than 1.063) labele...
To study the efflux of high (HDL) and low (LDL) density lipoproteins from the arterial wall in vivo, a surgical model in pigs was used. An isolated segment of the lesion-free thoracic aorta was pulse labeled from the lumen of the artery with 3H-cholesteryl ester labeled HDL and 14C-cholesteryl ester labeled LDL. Subsequently, the labeled aortic segment was exposed to cold chase in vivo. The tra...
Recombinant high density lipoprotein (rHDL) particles were prepared by cosonication of purified lipids and human apoproteins and incubated with partly purified cholesteryl ester transfer protein (CETP) and low density lipoprotein (LDL) containing [3H]cholesteryl ester. Increasing the triglyceride content relative to cholesteryl ester in rHDL significantly decreased the ability of the particles ...
Immunomodulatory drugs are of great relevance in the context vaccine delivery and cancer immunotherapy. Due to ubiquitous presence immune cells throughout body, gaining control over biodistribution activity such is crucial limit off-target inflammatory responses. Here, authors report on lipid-PEG (polyethylene glycol) amphiphiles as well-defined amphiphilic carries for lymph node targeted deliv...
To determine whether nonhuman primates demonstrate the same alterations in transport of cholesteryl ester (CE) in plasma observed in diabetic humans, cholesteryl ester transfer (CET) was measured in cynomolgus monkeys with chronic spontaneous diabetes mellitus (glycated hemoglobin: diabetics 10.7 +/- 4.1%; controls 3.8 +/- 0.8%, P < 0.005). Among the plasma lipids, only triglycerides were signi...
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