High-density lipoprotein protects macrophages from oxidized
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Up until now, nevertheless, much of the research study focused on oxycholesterol's effects in harmful cells, DNA, and its biochemical results in contributing to atherosclerosis. Chen thinks this is one of the very first research studies on oxycholesterol's effects in raising blood cholesterol levels compared to non-oxidized cholesterol. In the brand-new study, Chen's group determined the effects of a diet high in oxycholesterol on hamsters, typically utilized as surrogates for human beings in such research.

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The oxycholesterol group showed greater deposition of cholesterol in the lining of their arteries and a tendency to establish larger deposits of cholesterol. Did you see this? , called atherosclerotic plaques, increase the danger for heart attack and stroke. Most notably, according to Chen, oxycholesterol had unwanted impacts on "artery function." Oxycholesterol reduced the elasticity of arteries, hindering their ability to broaden and bring more blood.
However a healthy diet rich in antioxidants can counter these impacts, Chen stated, keeping in mind that these compounds may block the oxidation process that forms oxycholesterol. Great sources of antioxidants consist of fruits, veggies, beans, and specific herbs and spices. Healthy alternatives to fast-food, which also improves oxycholesterol, consist of entire grains, fresh vegetables and fruits, seeds, and nuts.
Hong Kong Grant Research Council offered financing for this research study. An advisory body of the Hong Kong Special Administration Region of the People's Republic of China, the Council is accountable for moneying government-sponsored scholastic research projects.
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The etiology of atherosclerosis is intricate and multifactorial however there is substantial proof indicating that oxidized lipoproteins might play a key role. At present, the site and mechanism by which lipoproteins are oxidized are not resolved, and it is not clear if oxidized lipoproteins form locally in the artery wall and/or are sequestered in atherosclerotic lesions following the uptake of circulating oxidized lipoproteins.

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Hence, the function of our work has actually been to determine in humans whether oxidized dietary oxidized fats such as oxidized fatty acids and oxidized cholesterol are absorbed and add to the swimming pool of oxidized lipids in distributing lipoproteins. When a meal consisting of oxidized linoleic acid was fed to regular topics, oxidized fats were discovered just in the postprandial chylomicron/chylomicron remnants (CM/RM) which were cleared from blood circulation within 8 h.