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https://www.readbyqxmd.com/read/28538192/hepatic-anti-inflammatory-effect-of-hexane-extracts-of-dioscorea-batatas-decne-possible-suppression-of-toll-like-receptor-4-mediated-signaling
#1
Hyun Jung Koo, SungRyul Lee, Kwang Jin Chang, Eunsoo Sohn, Eun-Hwa Sohn, Se Chan Kang, Suhkneung Pyo
The hepatic anti-inflammatory potential of hexane extracts of Dioscorea batatas Decne edible part (EDH-1e) and bark (EDH-2b) were investigated in Western-type diet-fed apolipoprotein E null [ApoE (-/-)] mice and HepG2 cells. EDH-1e and EDH-2b suppressed the increased levels of tumor necrosis factor alpha (TNF-α), interleukin (IL)-6, transforming growth factor beta 1 (TGF-β1), vascular cell adhesion protein 1 (VCAM-1), and monocyte chemoattractant protein-1 (MCP-1), and reduced infiltration of monocytes into liver tissue...
May 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28538111/cardiovascular-and-metabolic-effects-of-angptl3-antisense-oligonucleotides
#2
Mark J Graham, Richard G Lee, Teresa A Brandt, Li-Jung Tai, Wuxia Fu, Raechel Peralta, Rosie Yu, Eunju Hurh, Erika Paz, Bradley W McEvoy, Brenda F Baker, Nguyen C Pham, Andres Digenio, Steven G Hughes, Richard S Geary, Joseph L Witztum, Rosanne M Crooke, Sotirios Tsimikas
Background Epidemiologic and genomewide association studies have linked loss-of-function variants in ANGPTL3, encoding angiopoietin-like 3, with low levels of plasma lipoproteins. Methods We evaluated antisense oligonucleotides (ASOs) targeting Angptl3 messenger RNA (mRNA) for effects on plasma lipid levels, triglyceride clearance, liver triglyceride content, insulin sensitivity, and atherosclerosis in mice. Subsequently, 44 human participants (with triglyceride levels of either 90 to 150 mg per deciliter [1...
May 24, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28535426/new-role-of-pcsk9-in-atherosclerotic-inflammation-promotion-involving-the-tlr4-nf-%C3%AE%C2%BAb-pathway
#3
Zhi-Han Tang, Juan Peng, Zhong Ren, Jing Yang, Ting-Ting Li, Tao-Hua Li, Zuo Wang, Dang-Heng Wei, Lu-Shan Liu, Xi-Long Zheng, Zhi-Sheng Jiang
BACKGROUND AND AIMS: Proprotein convertase subtilisin/kexin 9 (PCSK9) has emerged as a popular target in the development of new cholesterol-lowering drugs and therapeutic interventions for atherosclerosis. PCSK9 could accelerate atherosclerosis through mechanisms beyond the degradation of the hepatic low-density lipoprotein receptor. Several clinical studies suggested that PCSK9 is involved in atherosclerotic inflammation. Accordingly, this study aimed to explore the role of PCSK9 in vascular inflammation that promotes atherosclerotic progression...
April 29, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28535009/microrna-let-7g-alleviates-atherosclerosis-via-the-targeting-of-lox-1-in-vitro-and-in-vivo
#4
Mingxin Liu, Guizhou Tao, Qifeng Liu, Kun Liu, Xinchun Yang
Atherosclerosis is a chronic arterial disease and the leading cause of stroke and myocardial infarction. Micro-RNAs (miRNAs or miRs) have been reported to act as essential modulators during the progression of atherosclerosis. Although miR-let-7g has been demonstrated to contribute to maintaining endothelial function and vascular homeostasis, it is not known whether miR-let-7g exerts a therapeutic effect on experimental atherosclerosis. The aim of this study was to investigate the effects of miR-let-7g on atherosclerosis in vivo and in vitro and to explore its underlying mechanisms...
May 18, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28534127/genetics-of-triglycerides-and-the-risk-of-atherosclerosis
#5
REVIEW
Jacqueline S Dron, Robert A Hegele
PURPOSE OF REVIEW: Plasma triglycerides are routinely measured with a lipid profile, and elevated plasma triglycerides are commonly encountered in the clinic. The confounded nature of this trait, which is correlated with numerous other metabolic perturbations, including depressed high-density lipoprotein cholesterol (HDL-C), has thwarted efforts to directly implicate triglycerides as causal in atherogenesis. Human genetic approaches involving large-scale populations and high-throughput genomic assessment under a Mendelian randomization framework have undertaken to sort out questions of causality...
July 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28533891/nuclear-uptake-of-an-amino-terminal-fragment-of-apolipoprotein-e4-promotes-cell-death-and-localizes-within-microglia-of-the-alzheimer-s-disease-brain
#6
Julia E Love, Ryan J Day, Justin W Gause, Raquel J Brown, Xinzhu Pu, Dustin I Theis, Chad A Caraway, Wayne W Poon, Abir A Rahman, Brad E Morrison, Troy T Rohn
Although harboring the apolipoprotein E4 (APOE4) allele is a well known risk factor in Alzheimer's disease (AD), the mechanism by which it contributes to disease risk remains elusive. To investigate the role of proteolysis of apoE4 as a potential mechanism, we designed and characterized a site-directed cleavage antibody directed at position D151 of the mature form of apoE4 and E3. Characterization of this antibody indicated a high specificity for detecting synthesized recombinant proteins corresponding to the amino acid sequences 1-151 of apoE3 and E4 that would generate the 17 kDa (p17) fragment...
2017: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/28531900/factors-associated-with-blood-pressure-variability-based-on-ambulatory-blood-pressure-monitoring-in-subjects-with-hypertension-in-china
#7
Wei Li, YanXia Yu, Dehong Liang, En-Zhi Jia
BACKGROUND/AIMS: We examined the factors associated with blood pressure variability in a multi-ethnicity prospective study in China to gain more evidence to guide the prevention and management of hypertension through risk factor intervention. METHODS: A total of 318 consecutive adult subjects aged 29-94 years with suspected or known hypertension were enrolled in this study. Blood pressure variability measurements were based on ambulatory blood pressure monitoring...
May 25, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28529818/high-protein-fish-oil-diet-prevents-hepatic-steatosis-in-noncnzo10-mice-association-with-diet-genetics-regulated-micro-rnas
#8
Nikhil Adi, Jennipher Adi, Roberta Marques Lassance-Soares, Paul Kurlansky, Hong Yu, Keith A Webster
OBJECTIVE: NONcNZO10 (NZ10) mice are predisposed to obesity and develop type 2 diabetes (T2D) and hepatic steatosis even when maintained on a control diet (CD) of 6% fat. Studies were designed to determine whether this extreme susceptibility phenotype could be alleviated by diet and if so the molecular targets of diet. METHODS: NZ10 and SWR/J (SWR) control mice were fed a CD or a test diet of high protein and fish oil (HPO) for 19 weeks and then analyzed for steatosis, blood chemistry, hepatic gene and micro-RNA expression...
June 2016: Journal of Diabetes & Metabolism
https://www.readbyqxmd.com/read/28529180/structure-function-relationships-in-reconstituted-hdl-focus-on-antioxidative-activity-and-cholesterol-efflux-capacity
#9
Alexandre M O Cukier, Patrice Therond, Svetlana A Didichenko, Isabelle Guillas-Baudouin, M John Chapman, Samuel D Wright, Anatol Kontush
AIMS: High-density lipoprotein (HDL) contains multiple components that endow it with biological activities. Apolipoprotein A-I (apoA-I) and surface phospholipids contribute to these activities; however, structure-function relationships in HDL particles remain incompletely characterized. METHODS: Reconstituted HDLs (rHDLs) were prepared from apoA-I and soy phosphatidylcholine (PC) at molar ratios of 1:50, 1:100 and 1:150. Oxidative status of apoA-I was varied using controlled oxidation of Met112 residue...
May 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28528321/omega-3-fatty-acids-lipids-and-apoe-lipidation-in-alzheimer-s-disease-a-rationale-for-multi-nutrient-dementia-prevention
#10
Marcus O Grimm, Daniel Michaelson, Tobias Hartmann
In the last decade it has become obvious that Alzheimer's disease (AD) is closely linked to changes in lipids or lipid metabolism. One of the main pathological hallmarks of AD is amyloid-β (Aβ) deposition. Aβ is derived from sequential proteolytic processing of the amyloid precursor protein (APP). Interestingly, both, the APP and all APP secretases are transmembrane proteins which cleave APP close to and in the lipid bilayer. Moreover, apolipoprotein E4 (apoE4) has been identified as the most prevalent genetic risk factor for AD...
May 20, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28528308/hyperlipidemia-is-involved-in-apoptosis-in-rat-submandibular-glands
#11
Koichiro Irie, Takaaki Tomofuji, Daisuke Ekuni, Tetsuji Azuma, Toshiki Yoneda, Yoshihiro Shimazaki, Manabu Morita
OBJECTIVE: The aim of the present study was to investigate the effects of hyperlipidemia on histological changes and apoptosis in submandibular glands using apolipoprotein E (apoE)-deficient rats. DESIGN: Histopathological findings related to induced apoptosis in the submandibular glands were compared between apoE-deficient rats (n=6; male; age, 16 weeks) and the corresponding wild-type rats (n=6). RESULTS: ApoE-deficient rats showed significantly higher plasma levels of oxidized low-density lipoprotein (LDL), total cholesterol, very LDL and LDL, and lower plasma levels of high-density lipoprotein when compared to control rats (P<0...
May 17, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28527370/atherosclerotic-dyslipidemia-revealed-by-plasma-lipidomics-on-apoe-mice-fed-a-high-fat-diet
#12
Yanyan Chen, Shiyuan Wen, Miaomiao Jiang, Yan Zhu, Liqin Ding, Hong Shi, Pengzhi Dong, Jing Yang, Yue Yang
BACKGROUND AND AIMS: The pathological process of atherosclerosis is closely related to lipid accumulation at arterial wall caused by lipoproteins transporting lipids through blood. In this study, we investigate the lipid composition in the plasma of apolipoprotein E deficient (ApoE(-/-)) mice fed a high-fat diet to reveal atherosclerosis-induced dyslipidemia. METHODS: ApoE(-/-) and corresponding wild-type C57BL/6J mice were used as the pathology model and control, respectively, and were fed a high-fat or normal diet...
May 11, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28527325/dyslipidemia-management-update
#13
REVIEW
Yingzi Chang, Jacques Robidoux
Association of hypercholesterolemia and atherosclerotic cardiovascular disease (ASCVD) is well established. Reducing low-density lipoprotein-cholesterol (LDL-C) and raising high-density lipoprotein-cholesterol (HDL-C) have been the therapeutic targets to reduce the risk of ASCVD. Cholesterol-lowering medications have been used to provide both primary and secondary prevention of ASCVD for many years by reducing the absorption and reabsorption, promoting excretion, or decreasing the synthesis of cholesterol. Within the past five years, several new classes of cholesterol-lowering drugs have been tested and approved for patients with hypercholesterolemia that are not well controlled by conventional therapy (ezetimibe, bile-acid sequestrants, and statins)...
May 17, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/28527212/apolipoprotein-e4-gender-body-mass-index-inflammation-insulin-resistance-and-air-pollution-interactions-recipe-for-alzheimer-s-disease-development-in-mexico-city-young-females
#14
Lilian Calderón-Garcidueñas, Suzanne M de la Monte
Given the epidemiological trends of increasing Alzheimer's disease (AD) and growing evidence that exposure and lifestyle factors contribute to AD risk and pathogenesis, attention should be paid to variables such as air pollution, in order to reduce rates of cognitive decline and dementia. Exposure to fine particulate matter (PM2.5) and ozone (O3) above the US EPA standards is associated with AD risk. Mexico City children experienced pre- and postnatal high exposures to PM2.5, O3, combustion-derived iron-rich nanoparticles, metals, polycyclic aromatic hydrocarbons, and endotoxins...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28526683/autoreactivity-to-sulfatide-by-human-invariant-nkt-cells
#15
Annelein M Stax, Jessica Tuengel, Enrico Girardi, Naoki Kitano, Lenka L Allan, Victor Liu, Dongjun Zheng, William J Panenka, Joren Guillaume, Chi-Huey Wong, Serge van Calenbergh, Dirk M Zajonc, Peter van den Elzen
Invariant NKT (iNKT) cells are innate-like lymphocytes that recognize lipid Ags presented by CD1d. The prototypical Ag, α-galactosylceramide, strongly activates human and mouse iNKT cells, leading to the assumption that iNKT cell physiology in human and mouse is similar. In this article, we report the surprising finding that human, but not mouse, iNKT cells directly recognize myelin-derived sulfatide presented by CD1d. We propose that sulfatide is recognized only by human iNKT cells because of the unique positioning of the 3-O-sulfated β-galactose headgroup...
May 19, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28524240/potential-serum-biomarkers-associated-with-mild-and-severe-leptospirosis-infection-a-cohort-study-in-the-malaysian-population
#16
Tan Xue Ting, Fairuz Binti Amran, Ravindran Thayan, Norazah Ahmad, Roslinda Jaafar, Rahimah Haron, Rafidah Abdullah, Sazwan Reezal Bin Shamsuddin, Nor Suhaila Binti Md Riffin, Puteri Shafinaz Abdul-Rahman
Leptospirosis is an emerging zoonotic infectious disease in Malaysia. The symptoms of leptospirosis vary from mild non-specific flu-like illness to a severe condition which is usually associated with serious complication and fatality. To study the protein expression profile of mild and severe leptospirosis, fifteen paired sera were collected from the patients who were mildly infected and following that progressed to severe stage. The proteome profiles of mild and severe cases were studied using 2DE analysis in combination with LC-MS/MS...
May 19, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28523576/proteomic-analysis-of-serum-amyloid-a-as-a-potential-marker-in-intestinal-beh%C3%A3-et-s-disease
#17
Hyun Jung Lee, Jae Hyun Kim, Seung Won Kim, Hyun Ah Joo, Hye Won Lee, You Sun Kim, Soo Jung Park, Sung Pil Hong, Tae Il Kim, Won Ho Kim, Young-Ho Kim, Jae Hee Cheon
BACKGROUND/AIMS: Data regarding biomarkers to understand disease pathogenesis and to assess disease activity of intestinal Behçet's disease (BD) are limited. Therefore, we aimed to investigate the differentially expressed proteins in sera from patients with intestinal BD and to search for biomarkers using mass spectrometry-based proteomic analysis. METHODS: Serum samples were pooled for the screening study, and two-dimensional electrophoresis (2-DE) was performed to characterize the proteins present in intestinal BD patients...
May 18, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28522696/apolipoprotein-a-i-mimetic-peptides-discordance-between-in-vitro-and-in-vivo-properties
#18
Michael Ditiatkovski, Jonatan Palsson, Jaye Chin-Dusting, Alan T Remaley, Dmitri Sviridov
OBJECTIVE: Apolipoprotein A-I (apoA-I) mimetic peptides have antiatherogenic properties of high-density lipoprotein in vitro and have been shown to inhibit atherosclerosis in vivo. It is unclear, however, if each in vitro antiatherogenic property of these peptides translates to a corresponding activity in vivo, and if so, which of these contributes most to reduce atherosclerosis. APPROACH AND RESULTS: The effect of 7 apoA-I mimetic peptides, which were developed to selectively reproduce a specific component of the antiatherogenic properties of apoA-I, on the development of atherosclerosis was investigated in apolipoprotein E-deficient mice fed a high-fat diet for 4 or 12 weeks...
May 18, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28522595/human-salivary-peptide-histatin-1-stimulates-epithelial-and-endothelial-cell-adhesion-and-barrier-function
#19
Irene A van Dijk, Maria Laura Ferrando, Anne-Eva van der Wijk, Ron A Hoebe, Kamran Nazmi, Wouter J de Jonge, Przemek M Krawczyk, Jan G M Bolscher, Enno C I Veerman, Jan Stap
Histatins are multifunctional histidine-rich peptides secreted by the salivary glands and exclusively present in the saliva of higher primates, where they play a fundamental role in the protection of the oral cavity. Our previously published results demonstrated that histatin-1 (Hst1) promotes cell-substrate adhesion in various cell types and hinted that it could also be involved in cell-cell adhesion, a process of fundamental importance to epithelial and endothelial barriers. Here we explore the effects of Hst1 on cellular barrier function...
May 18, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28521623/enzyme-linked-immunoassay-based-quantitative-measurement-of-apolipoprotein-b-apob-in-dried-blood-spots-a-biomarker-of-cardiovascular-disease-risk
#20
Geeta N Eick, Paul Kowal, Tyler Barrett, Elizabeth A Thiele, J Josh Snodgrass
Apolipoprotein B (ApoB) is a strong predictor of cardiovascular disease, which remains the leading cause of mortality in both higher and lower income countries. Here, we adapted an enzyme-linked immunosorbent assay (ELISA) development kit for quantitative determination of ApoB levels in serum and plasma for use with dried blood spots (DBS). After confirming the dilution linearity of the assay for DBS, we measured ApoB in 208 venous DBS samples. Then, using Passing-Bablok regression analysis and Spearman rank correlation analysis, we evaluated the correspondence in ApoB values between matched plasma and finger-prick DBS samples from 40 individuals who had ApoB values spanning the range of ApoB values observed in the 208 vDBS samples...
2017: Biodemography and Social Biology
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