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冠状动脉粥样硬化病因病理及功能医学临床干预探讨 被引量:6
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作者 成长 Thomas Levy 《肿瘤代谢与营养电子杂志》 2019年第3期365-369,共5页
动脉粥样硬化是心血管疾病的主要病理变化。尽管心血管疾病病因病理十分复杂,涉及多种相关风险因素,但现有文献中已经基本接受动脉粥样硬化是一具有特征性氧化压力升高的炎性疾病。本文回顾和分析了近几十年来文献中的研究成果,梳理了... 动脉粥样硬化是心血管疾病的主要病理变化。尽管心血管疾病病因病理十分复杂,涉及多种相关风险因素,但现有文献中已经基本接受动脉粥样硬化是一具有特征性氧化压力升高的炎性疾病。本文回顾和分析了近几十年来文献中的研究成果,梳理了复杂的心血管疾病风险因素,提出了一个动脉粥样硬化发生发展的全新的理论。由于氧化压力升高、维生素C不足、胶原合成等因素持续存在,以及这一不正常的动脉管壁修复机制的难以控制,最终导致粥样斑块的形成、管腔的狭窄、堵塞以及心肌缺血梗死。低碳医学倡导的健康饮食,最佳及个性化营养等在冠脉粥样硬化治疗及预防中起到主导作用。氧化压力升高而导致的抗氧化剂(尤其维生素C)耗竭,造成胶原蛋白合成障碍,进而引起临床疾病的机制并不限制于冠心病。这一现象也可见于骨质疏松等。这种氧化压力、抗氧化剂(维生素C)、胶原合成之间的动态变化具有较大的区域性。 展开更多
关键词 心血管疾病 动脉粥样硬化 维生素C
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The Effects of a Primary Nutritional Deficiency (Vitamin B study) 被引量:1
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作者 Hugh D. Riordan Nina Mikirova +2 位作者 Paul R. Taylor Cindy A. Feldkamp Joseph J. Casciari 《Food and Nutrition Sciences》 2012年第9期1238-1244,共7页
It has long been understood there is a link between a nutrient deficiency and visually measurable health. In separate studies, Sprague Dawley or Fischer 344 rats were fed diets lacking 100% of one B-Vitamin until a si... It has long been understood there is a link between a nutrient deficiency and visually measurable health. In separate studies, Sprague Dawley or Fischer 344 rats were fed diets lacking 100% of one B-Vitamin until a single mortality occurred. Vitamins studied were thiamin, riboflavin, niacin, pyridoxine, pantothenic acid, cobalamin and folate. Body mass, food consumption and images were recorded at weekly intervals. Rats were euthanized and liver, kidney, heart and brain samples for histological analysis were prepared. Liver and brain tissues were chosen as markers because of the high need of that organ for B vitamins and the likelihood of secondary lesion development. Correlation of deficiency symptoms with one missing nutrient was explored. 展开更多
关键词 Essential NUTRIENTS B VITAMINS DEFICIENCY SYMPTOMS ANIMAL STUDY
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Effect of high dose intravenous ascorbic acid on the level of inflammation in patients with rheumatoid arthritis
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作者 N. Mikirova A. Rogers +1 位作者 J. Casciari P. Taylor 《Modern Research in Inflammation》 2012年第2期26-32,共7页
Rheumatoid arthritis (RA) is a major inflammatory joint disease that causes cartilage destruction, bone erosions, and joint destruction. Oxidative stress is elevated in RA patients implying reactive oxygen species (RO... Rheumatoid arthritis (RA) is a major inflammatory joint disease that causes cartilage destruction, bone erosions, and joint destruction. Oxidative stress is elevated in RA patients implying reactive oxygen species (ROS) are possible mediators of tissue damage. ROS trigger a cascade of events through nuclear factors’ activation (NF-kappa B), which up-regulates gene expression of pro-inflammatory cytokines that mediate the immune responses causing inflammation. As ascorbic acid can reduce oxidative stress, decrease production of pro-inflammatory cytokines, and suppress the activation of NF-kappa B, we suggest that millimolar concentration of ascorbic acid may be useful in RA treatment. In our study we analyzed the effect of intravenous vitamin C (IVC) treatment on eleven subjects with RA. Our data suggest that IVC therapy with dosages of 7.5 g - 50 g can reduce inflammation. The level of inflammation as measured by C-reactive protein levels was decreased on average by 44%. Based on our pilot study, we hypothesize that IVC therapy can be a useful strategy in treating RA. 展开更多
关键词 RHEUMATOID ARTHRITIS INFLAMMATION C-Reactive Protein INTRAVENOUS VITAMIN C
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