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Triglyceride-Rich Lipoproteins

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https://www.readbyqxmd.com/read/28528455/dyslipidemias-and-cardiovascular-prevention-tailoring-treatment-according-to-lipid-phenotype
#1
REVIEW
Veronika Sanin, Vanessa Pfetsch, Wolfgang Koenig
PURPOSE OF REVIEW: This study aimed to present the current information on the genetic background of dyslipidemias and provide insights into the complex pathophysiological role of several plasma lipids/lipoproteins in the pathogenesis of atherosclerotic cardiovascular disease. Furthermore, we aim to summarize established therapies and describe the scientific rationale for the development of novel therapeutic strategies. RECENT FINDINGS: Evidence from genetic studies suggests that besides lowering low-density lipoprotein cholesterol, pharmacological reduction of triglyceride-rich lipoproteins, or lipoprotein(a) will reduce risk for coronary heart disease...
July 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28515067/relative-contribution-of-%C3%AE-carotene-to-postprandial-vitamin-a-concentrations-in-healthy-humans-after-carrot-consumption
#2
Jessica L Cooperstone, Hilary J Goetz, Ken M Riedl, Earl H Harrison, Steven J Schwartz, Rachel E Kopec
Background: Asymmetric α-carotene, a provitamin A carotenoid, is cleaved to produce retinol (vitamin A) and α-retinol (with negligible vitamin A activity). The vitamin A activity of α-carotene-containing foods is likely overestimated because traditional analytic methods do not separate α-retinol derivatives from active retinol.Objective: This study aimed to accurately characterize intestinal α-carotene cleavage and its relative contribution to postprandial vitamin A in humans after consumption of raw carrots...
May 17, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28502507/impact-of-bariatric-surgery-on-apolipoprotein-c-iii-levels-and-lipoprotein-distribution-in-obese-human-subjects
#3
Marie Maraninchi, Nadège Padilla, Sophie Béliard, Bruno Berthet, Juan-Patricio Nogueira, Jeanine Dupont-Roussel, Julien Mancini, Audrey Bégu-Le Corroller, Noémie Dubois, Rachel Grangeot, Catherine Mattei, Marion Monclar, Anastasia Calabrese, Carole Guérin, Charles Desmarchelier, Alain Nicolay, Changting Xiao, Patrick Borel, Gary F Lewis, René Valéro
BACKGROUND: Elevated apolipoprotein C-III (apoC-III) has been postulated to contribute to the atherogenic dyslipidemia seen in obesity and insulin-resistant states, mainly by impairing plasma triglyceride-rich lipoprotein (TRL) metabolism. Bariatric surgery is associated with improvements of several obesity-associated metabolic abnormalities, including a reduction in plasma triglycerides (TGs) and an increase in plasma high-density lipoprotein cholesterol (HDL-C). OBJECTIVES: We investigated the specific effect of bariatric surgery on apoC-III concentrations in plasma, non-HDL, and HDL fractions in relation to lipid profile parameters evolution...
March 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28500816/serum-lipids-and-lipoproteins-during-uncomplicated-malaria-a-cohort-study-in-lambar%C3%A3-n%C3%A3-gabon
#4
Benjamin J Visser, Sophia G de Vries, Rieke Vingerling, Martin Gritter, Danielle Kroon, Lídia Ciudad Aguilar, Rik B J Kraan, Rosanne W Wieten, François Danion, Barbara Sjouke, Akim A Adegnika, Selidji T Agnandji, Peter G Kremsner, Thomas Hänscheid, Petra F Mens, Michèle van Vugt, Martin P Grobusch
AbstractThe serum lipid profile in malaria patients has been found to differ from that of healthy controls. We investigated serum lipid profile changes in malaria patients over time compared with patients with other febrile diseases. In total, 217 patients were included in the study (111 malaria patients and 106 symptomatic controls, defined as malaria-negative febrile patients). Serum lipid levels (mmol/L) were significantly lower in malaria patients compared with those with other febrile diseases (total cholesterol [TC] = 3...
May 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28488685/effect-of-diets-rich-in-either-saturated-fat-or-n-6-polyunsaturated-fatty-acids-and-supplemented-with-long-chain-n-3-polyunsaturated-fatty-acids-on-plasma-lipoprotein-profiles
#5
C B Dias, N Amigo, L G Wood, X Correig, M L Garg
BACKGROUND/OBJECTIVES: Abnormalities in lipoprotein profiles (size, distribution and concentration) play an important role in the pathobiology of atherosclerosis and coronary artery disease. Dietary fat, among other factors, has been demonstrated to modulate lipoprotein profiles. We aimed to investigate if background dietary fat (saturated, SFA versus omega-6 polyunsaturated fatty acids, n-6PUFA) was a determinant of the effects of LCn-3PUFA supplementation on lipoprotein profiles. SUBJECTS/METHODS: A randomized controlled clinical intervention trial in a parallel design was conducted...
May 10, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28486852/the-relationship-between-migraine-and-lipid-sub-fractions-among-individuals-without-cardiovascular-disease-a-cross-sectional-evaluation-in-the-brazilian-longitudinal-study-of-adult-health-elsa-brasil
#6
Alessandra C Goulart, Paulo A Lotufo, Itamar S Santos, Márcio S Bittencourt, Raul D Santos, Michael J Blaha, Steven Jones, Peter P Toth, Krishnaji Kulkarni, Isabela M Benseñor
Introduction Recent studies have explored the relationship between dyslipidemia and migraine in a cardiovascular context. Thus, we aimed to evaluate the possible association between lipids, lipoprotein subfractions and migraine according to aura symptoms in the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil). Methods 1,560 women and 1,595 men, without CVD or lipid disorders requiring medication, underwent a baseline clinical assessment. Total-cholesterol and its sub-fractions (LDL, VLDL and HDL subclass cholesterol); triglycerides and triglyceride-rich lipoprotein cholesterol [TRL-C (VLDL1+2-C VLDL3-C + IDL-C)] were determined by vertical auto profile (VAP)...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28484991/lipid-testing-in-infectious-diseases-possible-role-in-diagnosis-and-prognosis
#7
REVIEW
Sebastian Filippas-Ntekouan, Evangelos Liberopoulos, Moses Elisaf
INTRODUCTION: Acute infections lead to significant alterations in metabolic regulation including lipids and lipoproteins, which play a central role in the host immune response. In this regard, several studies have investigated the role of lipid levels as a marker of infection severity and prognosis. SCOPE OF REVIEW: We review here the role of lipids in immune response and the potential mechanisms underneath. Moreover, we summarize studies on lipid and lipoprotein alterations in acute bacterial, viral and parasitic infections as well as their diagnostic and prognostic significance...
May 8, 2017: Infection
https://www.readbyqxmd.com/read/28484502/improved-lipid-profile-associated-with-daily-consumption-of-tri-sura-phon-in-healthy-overweight-volunteers-an-open-label-randomized-controlled-trial
#8
Sirigoon Kuamsub, Pariyaphat Singthong, Wipawee Chanthasri, Nicharee Chobngam, Warissara Sangkaew, Sasithorn Hemdecho, Thammarat Kaewmanee, Sasitorn Chusri
Tri-Sura-Phon (TSP), a traditional Thai polyherbal formula renowned for its rejuvenating properties, is commonly used as a blood tonic. It comprises Cinnamomum bejolghota, Cinnamomum parthenoxylon, and Aquilaria crassna. The aim of this study is to evaluate the beneficial properties of TSP tea consumption on blood glucose regulation and serum lipid profiles of healthy overweight volunteers. This open-label, randomized controlled trial was conducted in 70 healthy overweight adults. Two groups of 35 subjects took a TSP infusion or a placebo (cornstarch) twice daily for 8 weeks...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28477314/the-role-of-emerging-risk-factors-in-cardiovascular-outcomes
#9
REVIEW
Ben Lacey, William G Herrington, David Preiss, Sarah Lewington, Jane Armitage
PURPOSE OF REVIEW: This review discusses the recent evidence for a selection of blood-based emerging risk factors, with particular reference to their relation with coronary heart disease and stroke. RECENT FINDINGS: For lipid-related emerging risk factors, recent findings indicate that increasing high-density lipoprotein cholesterol is unlikely to reduce cardiovascular risk, whereas reducing triglyceride-rich lipoproteins and lipoprotein(a) may be beneficial. For inflammatory and hemostatic biomarkers, genetic studies suggest that IL-6 (a pro-inflammatory cytokine) and several coagulation factors are causal for cardiovascular disease, but such studies do not support a causal role for C-reactive protein and fibrinogen...
June 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28473441/apolipoprotein-ciii-levels-and-incident-coronary-artery-disease-risk-the-epic-norfolk-prospective-population-study
#10
Julian C van Capelleveen, Sophie J Bernelot Moens, Xiaohong Yang, John J P Kastelein, Nicholas J Wareham, Aeilko H Zwinderman, Erick S G Stroes, Joseph L Witztum, G Kees Hovingh, Kay-Tee Khaw, S Matthijs Boekholdt, Sotirios Tsimikas
OBJECTIVE: Apolipoprotein CIII (apo CIII) is a key regulator of triglyceride metabolism. Elevated triglyceride-rich lipoproteins and apo CIII levels are causally linked to coronary artery disease (CAD) risk. The mechanism(s) through which apo CIII increases CAD risk remains largely unknown. The aim was to confirm the association between apo CIII plasma levels and CAD risk and to explore which lipoprotein subfractions contribute to this relationship between apo CIII and CAD risk. APPROACH AND RESULTS: Plasma apo CIII levels were measured in baseline samples from a nested case-control study in the prospective EPIC-Norfolk study...
May 4, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28467182/roles-of-silent-information-regulator-1-serine-arginine-rich-splicing-factor-10-lipin-1-axis-in-the-pathogenesis-of-alcohol-fatty-liver-disease
#11
Yuanyuan Li, Junying Zhou
Alcohol exposure is a major reason of morbidity and mortality all over the world, with much of detrimental consequences attributing to alcoholic liver disease (ALD). With the continued ethanol consumption, alcoholic fatty liver disease (AFLD, the earliest and reversible form of ALD) can further develop to more serious forms of alcoholic liver damage, including alcoholic steatohepatitis, fibrosis/cirrhosis, and even eventually progress to hepatocellular carcinoma and liver failure. Furthermore, cell trauma, inflammation, oxidative stress, regeneration, and bacterial translocation are crucial promoters of ethanol-mediated liver lesions...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28455595/crebh-mediates-metabolic-inflammation-to-hepatic-vldl-overproduction-and-hyperlipoproteinemia
#12
Yongyan Song, Miaoyun Zhao, Xiao Cheng, Jing Shen, Rituraj Khound, Kezhong Zhang, Qiaozhu Su
Metabolic inflammation is closely associated with hyperlipidemia and cardiovascular disease. However, the underlying mechanisms are not fully understood. The current study established that cAMP-responsive-element-binding protein H (CREBH), an acute-phase transcription factor, enhances very-low-density lipoprotein (VLDL) assembly and secretion by upregulating apolipoprotein B (apoB) expression and contributes to metabolic inflammation-associated hyperlipoproteinemia induced by TNFα, lipopolysaccharides (LPS), and high-fat diet (HFD) in mice...
April 28, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28441155/do-triglyceride-lowering-drugs-decrease-risk-of-cardiovascular-disease
#13
Kevin C Maki, Mary R Dicklin
PURPOSE OF REVIEW: This review summarizes the evidence supporting a relationship between lowering triglycerides (TGs) and TG-rich lipoprotein cholesterol (TGRL-C) levels and reduced atherosclerotic cardiovascular disease (ASCVD) event risk. RECENT FINDINGS: Data from observational investigations, including studies of genetic variants, provide evidence consistent with a causal relationship between elevations in TG and TGRL-C and greater risk for ASCVD. Randomized controlled trial evidence of ASCVD risk reduction with therapies that substantially lower TG and TGRL-C is limited by the fact that no large-scale trial results have been published from a study that enrolled subjects selected specifically on the basis of TG or TGRL-C elevation, although three such trials are underway or in the planning stages...
April 22, 2017: Current Opinion in Lipidology
https://www.readbyqxmd.com/read/28438574/extreme-hypertriglyceridemia-pseudohyponatremia-and-pseudoacidosis-in-a-neonate-with-lipoprotein-lipase-deficiency-due-to-segmental-uniparental-disomy
#14
Ambika P Ashraf, Anna C E Hurst, Abhimanyu Garg
Extreme hypertriglyceridemia is rare in the neonatal period. We report a neonate with lipoprotein lipase (LPL) deficiency who presented with diagnostic and management conundrum. A full-term 36-day-old female was noted to have "Pepto-Bismol like" blood when repeating a newborn screening. The initial plasma triglyceride level was 24,318 mg/dL. The laboratory tests revealed serum bicarbonate level of <5 mmol/L, sodium of 127 mmol/L, and severe anemia. There were no signs of acute distress. The point of care capillary blood testing, however, demonstrated normal serum pH (7...
April 3, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28432183/anacetrapib-driven-triglyceride-lowering-explained-the-fortuitous-role-of-cetp-in-the-intravascular-catabolism-of-triglyceride-rich-lipoproteins
#15
Amanda L Brown, J Mark Brown
No abstract text is available yet for this article.
April 21, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28431321/atherogenicity-of-amino-acids-in-the-lipid-laden-macrophage-model-system-in-vitro-and-in-atherosclerotic-mice-a-key-role-for-triglyceride-metabolism
#16
Oren Rom, Claudia Grajeda-Iglesias, Mahmoud Najjar, Niroz Abu-Saleh, Nina Volkova, Dalit Esther Dar, Tony Hayek, Michael Aviram
Atherosclerosis-related research has focused mainly on the effects of lipids on macrophage foam cell formation and atherogenesis, whereas the role of amino acids (AAs) was understudied. The current study aimed to identify anti- or pro-atherogenic AA in the macrophage model system and to elucidate the underlying metabolic and molecular mechanisms. J774A.1 cultured macrophages were treated with increasing concentrations of each 1 of the 20 AAs. Macrophage atherogenicity was assessed in terms of cellular toxicity, generation of reactive oxygen species (ROS) and cellular cholesterol or triglyceride content...
April 6, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28429921/relationship-between-dietary-patterns-and-brachial-ankle-pulse-wave-velocity-among-middle-aged-adults-in-japan
#17
Shota Moyama, Kazuhiro Minami, Mihiro Yano, Masumi Okumura, Susumu Hayashi, Hiroshi Takayama, Akira Yorimoto
BACKGROUND AND OBJECTIVES: Arterial stiffness is a leading cause of cardiovascular disease (CVD), and it is considered to be affected by dietary intake. However, few studies have examined the relationship between major dietary patterns and brachial-ankle pulse wave velocity (baPWV) among Japanese middle-aged subjects. We studied whether major dietary patterns were associated with baPWV in this population. METHODS AND STUDY DESIGN: Between 2009 and 2012, 70 Japanese middle-aged subjects (39 men and 31 women) with no history of stroke, coronary heart disease, or cancer were studied...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28428482/triglyceride-rich-lipoprotein-lpl-vldl-receptor-and-lp-a-vldl-receptor-pathways-for-macrophage-foam-cell-formation
#18
Sadao Takahashi
Very low-density lipoprotein (VLDL) receptor is a member of the low-density lipoprotein (LDL) receptor family. It binds triglyceride rich lipoprotein (TGRL) but not LDL, because it recognizes apolipoprotein (apo)E only but not apoB. The VLDL receptor functions as a peripheral lipoprotein receptor in concert with lipoprotein lipase (LPL) in heart, muscle, adipose tissue and macrophages. In contrast to the LDL receptor, VLDL receptor binds apo E2/2 VLDL and apoE3/3 VLDL particles, and its expression is not down-regulated by intracellular lipoproteins...
April 19, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28413961/incretins-and-lipid-metabolism
#19
Vasilis Tsimihodimos, Moses S Elisaf
Backgound: Recent findings indicate that incretin hormones and incretin-based therapies may affect the metabolism of lipoproteins, although the corresponding mechanisms are not clearly defined. OBJECTIVE: To summarize the available data on the mechanisms linking incretins with the characteristics of serum lipoproteins and discuss the clinical implications of these relationships. METHODS: PubMed was searched using the terms "incretins", "GLP-1", "GIP" and "lipids", "dyslipidemia", "triglycerides", "apolipoprotein B48"...
April 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28412693/feeding-angptl4-mice-trans-fat-promotes-foam-cell-formation-in-mesenteric-lymph-nodes-without-leading-to-ascites
#20
Antwi Boasiako Oteng, Asmita Bhattacharya, Susanne Brodesser, Ling Qi, Nguan Soon Tan, Sander Kersten
ANGPTL4 regulates plasma triglyceride levels by inhibiting lipoprotein lipase. Inactivation of ANGPTL4 decreases plasma triglycerides and reduces risk of coronary artery disease. Unfortunately, targeting ANGPTL4 for the therapeutic management of dyslipidemia and atherosclerosis is hampered by the observation that mice and monkeys in which ANGPTL4 is inactivated exhibit lipid accumulation in mesenteric lymph nodes. In mice these pathological events exclusively unfold upon feeding a high saturated fatty acid diet and are followed by an ultimately lethal pro-inflammatory response and chylous ascites...
April 15, 2017: Journal of Lipid Research
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