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Lipids in Health and Disease

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https://www.readbyqxmd.com/read/28095913/effects-of-a-purified-krill-oil-phospholipid-rich-in-long-chain-omega-3-fatty-acids-on-cardiovascular-disease-risk-factors-in-non-human-primates-with-naturally-occurring-diabetes-type-2-and-dyslipidemia
#1
Petter-Arnt Hals, Xiaoli Wang, Yong-Fu Xiao
BACKGROUND: High serum levels of cholesterol, in particular low-density lipoprotein cholesterol, are considered a significant risk factor for development of cardiovascular disease. Therefore, rigorous treatment regimens with statins and other pharmaceuticals have been used extensively to reduce elevated cholesterol levels. Literature data have not clearly concluded whether long-chain omega-3 fatty acids reduce, increase or leave circulating cholesterol unaffected. In the present study a novel krill-oil derived preparation of omega-3 rich phospholipids, mainly phosphatidylcholine, was administered orally at increasing doses for 12 weeks to dyslipidemic non-human primates, and cholesterols and several other risk factors for cardiovascular disease were measured before, during and after treatment...
January 17, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28095863/dietary-intake-of-n-3-pufas-modifies-the-absorption-distribution-and-bioavailability-of-fatty-acids-in-the-mouse-gastrointestinal-tract
#2
Qin Yang, Shunhe Wang, Yunqi Ji, Haiqin Chen, Hao Zhang, Wei Chen, Zhennan Gu, Yong Q Chen
BACKGROUND: Dietary polyunsaturated fatty acids (PUFAs), especially n-3 PUFAs, are important for human health. The intestinal tract, a location that is heavily colonized by microorganisms, is the main organ for absorbing fatty acids. METHODS: The purpose of this study was to analyze the effects of dietary n-3 and n-6 PUFAs on the distribution of different types of fatty acids and their bioavailability along the gut. Mice were fed for a week with experimental diets containing high n-3 or high n-6 fatty acid levels...
January 17, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28095860/mouse-models-of-atherosclerosis-a-historical-perspective-and-recent-advances
#3
REVIEW
Yee Ting Lee, Hiu Yu Lin, Yin Wah Fiona Chan, Ka Hou Christien Li, Olivia Tsz Ling To, Bryan P Yan, Tong Liu, Guangping Li, Wing Tak Wong, Wendy Keung, Gary Tse
Atherosclerosis represents a significant cause of morbidity and mortality in both the developed and developing countries. Animal models of atherosclerosis have served as valuable tools for providing insights on its aetiology, pathophysiology and complications. They can be used for invasive interrogation of physiological function and provide a platform for testing the efficacy and safety of different pharmacological therapies. Compared to studies using human subjects, animal models have the advantages of being easier to manage, with controllable diet and environmental risk factors...
January 17, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28095854/the-effects-of-detraining-and-training-on-adipose-tissue-lipid-droplet-in-obese-mice-after-chronic-high-fat-diet
#4
Ju Yong Bae, Jinhee Woo, Hee Tae Roh, Yul Hyo Lee, Kangeun Ko, Sunghwun Kang, Ki Ok Shin
BACKGROUND: It is well known that exercise promotes lipolysis by stimulating the lipid droplet (LD) signaling pathway. However, few studies have been conducted to examine the effect of detraining with high fat diet (HFD) and training effects after long-term HFD. Here, we investigated the effect of detraining and training on adipose tissue LD pathway in diet-induced obese mice after continuous HFD. METHODS: Seventy male C57BL/6 mice were randomly assigned into a Normal diet + Sedentary group (ND, n = 10) or a High-fat diet + Sedentary group (HF, n = 50); in the HF group, obesity was induced by a 45% fat chow for six weeks...
January 17, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28088205/quercetin-improves-macrophage-reverse-cholesterol-transport-in-apolipoprotein-e-deficient-mice-fed-a-high-fat-diet
#5
Yingjie Cui, Pengbo Hou, Fahui Li, Qinghua Liu, Shucun Qin, Guanghai Zhou, Xuelian Xu, Yanhong Si, Shoudong Guo
BACKGROUND: Quercetin, one of the most widely distributed flavonoids in plants, has been demonstrated to reduce hyperlipidaemia and atherosclerotic lesion formation. Reverse cholesterol transport (RCT) plays a crucial role in exporting cholesterol from peripheral cells, which is one mechanism utilized in the prevention and treatment of atherosclerosis. The aim of this study is to investigate whether quercetin reduces lipid accumulation by improving RCT in vivo. METHODS: Apolipoprotein E-deficient mice fed a high-fat diet were used to investigate the effect of quercetin on RCT by an isotope tracing method, and the underlying mechanisms were clarified by molecular techniques...
January 14, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28086966/predictive-value-of-non-fasting-remnant-cholesterol-for-short-term-outcome-of-diabetics-with-new-onset-stable-coronary-artery-disease
#6
Li-Feng Hong, Xiao-Ni Yan, Zhen-Hua Lu, Ying Fan, Fei Ye, Qiong Wu, Song-Hui Luo, Bo Yang, Jian-Jun Li
BACKGROUND: The relationship between non-fasting remnant cholesterol and cardiovascular outcome in the era of potent statin therapy remained to be elucidated. METHODS: A cohort study of three hundred and twenty eight diabetics diagnosed with new-onset stable coronary artery disease (CAD) by coronary angiography were enrolled. All cases were followed up for an average duration of twelve months. The association between baseline remnant cholesterol levels and major cardiovascular outcomes were evaluated using the receivers operating characteristic (ROC) curves and Cox proportional hazards regression analysis...
January 13, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28086886/biochemical-mechanism-underlying-hypertriglyceridemia-and-hepatic-steatosis-hepatomegaly-induced-by-acute-schisandrin-b-treatment-in-mice
#7
Yi Zhang, Jing Zhao, Shu-Feng Zhou, Zhi-Ling Yu, Xiao-Yan Wang, Pei-Li Zhu, Zhu-Sheng Chu, Si-Yuan Pan, Ming Xie, Kam-Ming Ko
BACKGROUND: It has been demonstrated that acute oral administration of schisandrin B (Sch B), an active dibenzocyclooctadiene isolated from Schisandrae Fructus (a commonly used traditional Chinese herb), increased serum and hepatic triglyceride (TG) levels and hepatic mass in mice. The present study aimed to investigate the biochemical mechanism underlying the Sch B-induced hypertriglyceridemia, hepatic steatosis and hepatomegaly. METHODS: Male ICR mice were given a single oral dose of Sch B (0...
January 13, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28077172/promoting-effect-of-hepatitis-b-virus-on-the-expressoin-of-phospholipase-a2-group-iia
#8
Chengliang Zhu, Hui Song, Bingzheng Shen, Long Wu, Fang Liu, Xinghui Liu
BACKGROUND: Hepatitis B virus (HBV) infection causes acute and chronic liver disease, ultimately leading to the development of liver cirrhosis (LC) and hepatocellular carcinoma (HCC). Phospholipase A2 group IIA (PLA2G2A) plays important roles in the development and progression of many tumors. Thus far, there have been no reports on the association between HBV and PLA2G2A. The present study investigated the effect of HBV infection on PLA2G2A expression and its application in the diagnosis of HBV-related diseases...
January 11, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28077136/increased-leptin-adiponectin-ratio-relates-to-low-normal-thyroid-function-in-metabolic-syndrome
#9
Lynnda J N van Tienhoven-Wind, Robin P F Dullaart
BACKGROUND: Low-normal thyroid function within the euthyroid range may contribute to increased atherosclerosis susceptibility. The leptin/adiponectin (L/A) ratio is associated with cardiovascular disease and reflects adipose tissue dysfunction. Relationships of the L/A ratio with low-normal thyroid function are unknown. METHODS: Relationships of thyroid stimulating hormone (TSH) and free thyroxine (free T4) with leptin, adiponectin and the L/A ratio in euthyroid subjects were documented in 67 fasting subjects with metabolic syndrome (Mets) and 86 euthyroid subjects without MetS (TSH and free T4 levels within the institutional reference range)...
January 11, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28073362/elevated-levels-of-pre%C3%AE-1-high-density-lipoprotein-are-associated-with-cholesterol-ester-transfer-protein-the-presence-and-severity-of-coronary-artery-disease
#10
Xiao-Min Bu, Dong-Mei Niu, Jia Wu, Yun-Long Yuan, Jia-Xi Song, Jun-Jun Wang
BACKGROUND: Preβ1-high-density lipoprotein (preβ1-HDL), plays an important role in reverse cholesterol transport and exhibits potent risk for coronary artery disease (CAD). However, the association of plasma preβ1-HDL and cholesterol ester transfer protein (CETP) levels in CAD patients and the relationship of preβ1-HDL with extent of CAD are debatable. METHODS: Preβ1-HDL and CETP levels were measured by enzymed-linked immunosorbent assay (ELISAs) in 88 acute coronary syndromes (ACS), 79 stable coronary artery disease (SCAD) patients and 85 control subjects...
January 10, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28069011/myeloperoxidase-oxidized-high-density-lipoprotein-impairs-atherosclerotic-plaque-stability-by-inhibiting-smooth-muscle-cell-migration
#11
Boda Zhou, Lingyun Zu, Yong Chen, Xilong Zheng, Yuhui Wang, Bing Pan, Min Dong, Enchen Zhou, Mingming Zhao, Youyi Zhang, Lemin Zheng, Wei Gao
BACKGROUND: High density lipoprotein (HDL) has been proved to be a protective factor for coronary heart disease. Notably, HDL in atherosclerotic plaques can be nitrated (NO2-oxHDL) and chlorinated (Cl-oxHDL) by myeloperoxidase (MPO), likely compromising its cardiovascular protective effects. METHOD: Here we determined the effects of NO2-oxHDL and Cl-oxHDL on SMC migration using wound healing and transwell assays, proliferation using MTT and BrdU assays, and apoptosis using Annexin-V assay in vitro, as well as on atherosclerotic plaque stability in vivo using a coratid artery collar implantation mice model...
January 10, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28057006/bisphenol-a-promotes-cholesterol-absorption-in-caco-2-cells-by-up-regulation-of-npc1l1-expression
#12
Dan Feng, Jun Zou, Shanshan Zhang, Xuechun Li, Peiyang Li, Minqi Lu
BACKGROUND: Bisphenol A (BPA), an commonly exposed environmental chemicals in humans, has been shown to have a hypercholesterolemic effect with molecular mechanism not clear. Since intestinal cholesterol absorption plays a major role in maintaining total body cholesterol homeostasis, the present study is to investigate whether BPA affects cholesterol absorption in the intestinal Caco-2 cells. METHODS: The Caco-2 cells were pretreated with BPA at different concentrations for 24 h and then incubated with radioactive micellar cholesterol for 2 h...
January 6, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28056980/association-of-the-sptlc3-rs364585-polymorphism-and-serum-lipid-profiles-in-two-chinese-ethnic-groups
#13
Qing-Hui Zhang, Rui-Xing Yin, Hui Gao, Feng Huang, Jin-Zhen Wu, Shang-Ling Pan, Wei-Xiong Lin, De-Zhai Yang
BACKGROUND: Little is known about the association of the single nucleotide polymorphism (SNP) of rs364585 near serine palmitoyl-transferase long-chain base subunit 3 gene (SPTLC3) and serum lipid profiles. The present study was detected the association of the SPTLC3 rs364585 SNP and several environmental factors with serum lipid profiles in the Han and Jing populations. METHODS: Genotyping of the SPTLC3 rs364585 SNP was performed in 824 unrelated individuals of Han and 783 participants of Jing by polymerase chain reaction and restriction fragment length polymorphism combined with gel electrophoresis, and then confirmed by direct sequencing...
January 5, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27964715/differential-effects-of-palmitoleic-acid-on-human-lymphocyte-proliferation-and-function
#14
M E P Passos, H H O Alves, C M Momesso, F G Faria, G Murata, M F Cury-Boaventura, E Hatanaka, S Massao-Hirabara, R Gorjão
BACKGROUND: Palmitoleic acid (PA) is a n-7 monounsaturated fatty acid (MUFA) secreted by adipose tissue and related to decreased insulin resistance in peripheral tissues. Evidences have been shown that PA also decreased proinflammatory cytokine expression in cultured macrophages. Although studies have shown that other fatty acids (FAs) modulate several lymphocyte functions, the specific effect of PA on these cells is unknown. The aim of the present study was to evaluate the possible influence of PA on activation and differentiation of human lymphocytes in comparison to oleic acid (OA)...
December 13, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27955663/the-effect-of-marine-n-3-polyunsaturated-fatty-acids-on-cardiac-autonomic-and-hemodynamic-function-in-patients-with-psoriatic-arthritis-a-randomised-double-blind-placebo-controlled-trial
#15
Salome Kristensen, Erik Berg Schmidt, Annette Schlemmer, Claus Rasmussen, Esther Lindgreen, Martin Berg Johansen, Jeppe Hagstrup Christensen
BACKGROUND: The aim of this study was to investigate the effect of marine n-3 polyunsaturated fatty acids (PUFA) on cardiac autonomic function and vascular function in patients with psoriatic arthritis. METHODS: The study was conducted as a randomized, double-blind, placebo-controlled trial, where 145 patients with psoriatic arthritis were supplemented with 3 g of n-3 PUFA or olive oil (control) daily for 24 weeks. Blood pressure, heart rate, heart rate variability (HRV), central blood pressure, pulse wave velocity (PWV) and fatty acid composition of granulocytes, were determined at baseline and after supplementation...
December 12, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27938411/butyrate-attenuates-lipolysis-in-adipocytes-co-cultured-with-macrophages-through-non-prostaglandin-e2-mediated-and-prostaglandin-e2-mediated-pathways
#16
Hideo Ohira, Wao Tsutsui, Rie Mamoto, Sayaka Yamaguchi, Masako Nishida, Miki Ito, Yoshio Fujioka
BACKGROUND: Interactions between adipocytes and macrophages are associated with metabolic disorders. Production of pro-inflammatory mediators and the release of free fatty acids (FFAs) increase when these cells are co-cultured; butyrate significantly diminishes these effects by suppressing both the macrophage inflammatory and adipocyte lipolysis pathways. Butyrate is known to up-regulate the expression of prostaglandin E2 (PGE2). Therefore, we hypothesized that PGE2 is associated with the suppression of lipolysis by butyrate in co-culture...
December 9, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27938408/mammary-inflammatory-gene-expression-was-associated-with-reproductive-stage-and-regulated-by-docosahexenoic-acid-in-vitro-and-in-vivo-studies
#17
Sen Lin, Yalin Zhang, Yanrong Long, Haifeng Wan, Lianqiang Che, Yan Lin, Shengyu Xu, Bin Feng, Jian Li, De Wu, Zhengfeng Fang
BACKGROUND: Periparturient mastitis is the most prevalent disease affecting lactating animals. However, it has long been relied on antibiotics to deal with mastitis, leading to a potential threat to food safety. This study was aimed to investigate the expression of pro-inflammatory cytokines in mammary glands of sows around parturition when mastitis and oxidative stress usually occur, and evaluate the anti-inflammatory effect of docosahexenoic acid (DHA) in porcine mammary epithelial cells (PMEC) challenged by lipopolysaccharide (LPS)...
December 9, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27938388/berberine-increases-adipose-triglyceride-lipase-in-3t3-l1-adipocytes-through-the-ampk-pathway
#18
Dongqing Jiang, Dianhui Wang, Xianghua Zhuang, Zhanqing Wang, Yihong Ni, Shihong Chen, Fudun Sun
BACKGROUND: Obesity is closely related to the metabolism of triacylglycerol (TG) in adipocytes. Adipose triglyceride lipase (ATGL) and hormone-sensitive lipase (HSL) are rate-limiting enzymes that control the hydrolysis of TG. Effects on ATGL and HSL to increase lipolysis may counteract obesity. Berberine (BBR) is a compound derived from the Chinese medicine plant Coptis chinensis. In the present study we show the effects of BBR on ATGL and HSL and explore the potential underlying mechanisms of these effects...
December 9, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27931216/promising-features-of-moringa-oleifera-oil-recent-updates-and-perspectives
#19
REVIEW
Muhammad Nadeem, Muhammad Imran
Lipids are the concentrated source of energy, fat soluble vitamins, essential fatty acids, carriers of flavours and many bio-active compounds with important role in maintaining physiological functions of biological body. Moringa oleifera is native to Himalaya and widely grown in many Asian and African countries with seed oil content range from 35-40%. Moringa oleifera oil (MOO) has light yellow colour with mild nutty flavour and fatty acids composition suggests that MOO is highly suitable for both edible and non-edible applications...
December 8, 2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27927204/different-effect-of-hypercholesterolemia-on-mortality-in-hemodialysis-patients-based-on-coronary-artery-disease-or-myocardial-infarction
#20
Yi-Chun Lin, Yen-Chung Lin, Hsi-Hsien Chen, Tzen-Wen Chen, Chih-Cheng Hsu, Chiung-Chi Peng, Mai-Szu Wu
BACKGROUND: Studies on the association of total cholesterol (TC) levels and mortality in hemodialysis (HD) patients demonstrated conflicting results. The differenct effect of Hypercholesterolemia on HD patients based on the presence of myocardial infarction (MI) or coronary artery disease (CAD) is unknown. METHODS: We analyzed data from the Taiwan Renal Registry Data System (TWRDS) between 2005 and 2012. Patients were divided into MI/CAD or non-MI/CAD group. The primary outcome was three-year mortality...
December 8, 2016: Lipids in Health and Disease
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