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Mads Rosenkilde, Lisbeth Rygaard, Pernille Nordby, Lars Bo Nielsen, Bente Stallknecht
Exercise training and weight loss both reduce cardiovascular risk, but the independent importance of the two strategies is unclear. We aimed to investigate independent and combined effects of exercise training and weight loss on lipoproteins and dyslipidemia in overweight sedentary men. Sixty individuals were randomized to 12 weeks of endurance training (T), energy-reduced diet (D), training and energy increased diet (T-iD), or control (C). Equal energetic deficits (-600 kcal/day) were prescribed by exercise for T and caloric restriction for D...
March 15, 2018: Journal of Applied Physiology
Linda R Wang, Adam D McIntyre, Robert A Hegele
BACKGROUND: Abetalipoproteinemia and homozygous hypobetalipoproteinemia are classical Mendelian autosomal recessive and co-dominant conditions, respectively, which are phenotypically similar and are usually caused by bi-allelic mutations in MTTP and APOB genes, respectively. Instances of more complex patterns of genomic variants resulting in this distinct phenotype have not been reported. METHODS: A 43 year-old male had a longstanding severe deficiency of apolipoprotein (apo) B-containing lipoproteins and circulating fat soluble vitamins consistent with either abetalipoproteinemia or homozygous familial hypobetalipoproteinemia (FHBL)...
March 14, 2018: Lipids in Health and Disease
Marta Scatena, Melissa F Jackson, Mei Y Speer, Elizabeth M Leaf, Mary C Wallingford, Cecilia M Giachelli
OBJECTIVE: Calcific aortic valve disease (CAVD) is a major cause of aortic stenosis (AS) and cardiac insufficiency. Patients with type II diabetes mellitus (T2DM) are at heightened risk for CAVD, and their valves have greater calcification than nondiabetic valves. No drugs to prevent or treat CAVD exist, and animal models that might help identify therapeutic targets are sorely lacking. To develop an animal model mimicking the structural and functional features of CAVD in people with T2DM, we tested a diabetogenic, procalcific diet and its effect on the incidence and severity of CAVD and AS in the, LDLr-/- ApoB100/100 mouse model...
February 15, 2018: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
Yong-Tao Wang, Yang Li, Yi-Tong Ma, Yi-Ning Yang, Xiang Ma, Xiao-Mei Li, Fen Liu, Bang-Dang Chen
BACKGROUND: Limited information is available when it comes to the impact of genetic on Calcific Aortic Stenosis (CAS). Apolipoprotein B (apoB) is a key component in lipid metabolism and plays an important role in the dynamic equilibrium of cholesterol. We performed a case-control study to explore the association of apoB genetic polymorphisms with CAS in Chinese subjects, in Xinjiang, China. METHODS: We designed a case-control study including 314 CAS patients and 652 age- and sex-matched control subjects...
March 7, 2018: Lipids in Health and Disease
Eisuke Miyauchi, Takuya Furuta, Sumio Ohtsuki, Masanori Tachikawa, Yasuo Uchida, Hemragul Sabit, Wataru Obuchi, Tomoko Baba, Michitoshi Watanabe, Tetsuya Terasaki, Mitsutoshi Nakada
Molecular biomarkers in blood are needed to aid the early diagnosis and clinical assessment of glioblastoma (GBM). Here, in order to identify biomarker candidates in plasma of GBM patients, we performed quantitative comparisons of the plasma proteomes of GBM patients (n = 14) and healthy controls (n = 15) using SWATH mass spectrometry analysis. The results were validated by means of quantitative targeted absolute proteomics analysis. As a result, we identified eight biomarker candidates for GBM (leucine-rich alpha-2-glycoprotein (LRG1), complement component C9 (C9), C-reactive protein (CRP), alpha-1-antichymotrypsin (SERPINA3), apolipoprotein B-100 (APOB), gelsolin (GSN), Ig alpha-1 chain C region (IGHA1), and apolipoprotein A-IV (APOA4))...
2018: PloS One
Z Cao, B Meng, R Fan, M Liu, M Gao, Z Xing, X Luan
To explore the key regulatory genes and their translated products involved in Huoyan goose egg laying, we first applied the iTRAQ technology integrated with LC-MS/MS analysis to identify differentially abundant proteins in the ovarian tissue of Huoyan geese between the pre-laying and laying periods. Then, Gene Ontology (GO) enrichment and Kyoto Encyclopaedia of Genes and Genomes (KEGG) pathway analyses of the proteins were conducted. As observed, 403 proteins, which included 255 up-regulated and 148 down-regulated proteins, were identified...
March 1, 2018: Poultry Science
Eduardo H Gilglioni, Jung-Chin Chang, Suzanne Duijst, Simei Go, Aziza A A Adam, Ruurdtje Hoekstra, Arthur J Verhoeven, Emy L Ishii-Iwamoto, Ronald P J Oude Elferink
Primary hepatocyte culture is an important in vitro system for the study of liver functions. In vivo , hepatocytes have high oxidative metabolism. However, oxygen supply by means of diffusion in in vitro static cultures is much less than that by blood circulation in vivo . Therefore, we investigated whether hypoxia contributes to dedifferentiation and deregulated metabolism in cultured hepatocytes. To this end, murine hepatocytes were cultured under static or shaken (60 revolutions per minute) conditions in a collagen sandwich...
March 2018: Hepatology Communications
Vasanth Sathiyakumar, Jihwan Park, Renato Quispe, Mohamed B Elshazly, Erin D Michos, Maciej Banach, Peter P Toth, Seamus P Whelton, Roger S Blumenthal, Steven R Jones, Seth S Martin
Background -Selected dyslipidemia guidelines recommend non-high-density lipoprotein-cholesterol (non-HDL-C) and apolipoprotein B (apoB) as secondary targets to the primary target of low-density lipoprotein-cholesterol (LDL-C). We examined, after considering two LDL-C estimates that differ in accuracy: (1) how frequently non-HDL-C guideline targets could change management; and (2) utility of apoB targets after meeting LDL-C and non-HDL-C targets. Methods -We analyzed 2,518 adults representative of the U.S. population from the 2011-2012 National Health and Nutrition Examination Survey and 126,092 patients from the Very Large Database of Lipids study with apoB...
March 5, 2018: Circulation
Fabiana Blanco, Suvi E Heinonen, Erika Gurzeler, Lisa M Berglund, Anna-Maria Dutius Andersson, Olga Kotova, Ann-Cathrine Jönsson-Rylander, Seppo Ylä-Herttuala, Maria F Gomez
AIMS: Despite vast clinical experience linking diabetes and atherosclerosis, the molecular mechanisms leading to accelerated vascular damage are still unclear. Here, we investigated the effects of nuclear factor of activated T-cells inhibition on plaque burden in a novel mouse model of type 2 diabetes that better replicates human disease. METHODS & RESULTS: IGF-II/LDLR-/- ApoB100/100 mice were generated by crossbreeding low-density lipoprotein receptor-deficient mice that synthesize only apolipoprotein B100 (LDLR-/- ApoB100/100 ) with transgenic mice overexpressing insulin-like growth factor-II in pancreatic β cells...
March 1, 2018: Diabetes & Vascular Disease Research
Helena Vaverková, David Karásek
Familial combined hyperlipidemia (FCH) is the most frequent genetic dyslipidemia (DLP) with high risk of early atherosclerosis manifestation. It is characterized by elevated both triglycerides 1.5 mmol/l and apolipoprotein B 1.2 g/l (hyper-TG/hyper-ApoB fenotype), with at least two affected family members. Despite the fact that plasmatic levels of total cholesterol and LDL-C are usually lower than in familial hypercholesterolemia and full expression of DLP in FCH occurs in adulthood, risk of premature manifestation of atherosclerosis is similar in both these familial DLP...
2018: Vnitr̆ní Lékar̆ství
Bruno S Lemos, Isabel Medina-Vera, Christopher N Blesso, Maria Luz Fernandez
Cardiovascular disease (CVD) risk is associated with high concentrations of low-density lipoprotein cholesterol (LDL-C). The impact of dietary cholesterol on plasma lipid concentrations still remains a concern. The effects of egg intake in comparison to choline bitartrate supplement was studied in a young, healthy population. Thirty participants were enrolled for a 13-week intervention. After a 2-week run-in period, subjects were randomized to consume either 3 eggs/day or a choline bitartrate supplement (~400 mg choline for both treatments) for 4-weeks each...
February 24, 2018: Nutrients
K Yu, Y Xue, T He, L Guan, A Zhao, Y Zhang
OBJECTIVES: There has been recent interest in spicy foods and their bioactive ingredients for cardiovascular health. This study aims to explore relationship between spicy food consumption frequency and serum lipid profiles in a cross-sectional sample of older Chinese from China Health and Nutrition Survey (CHNS). METHODS: A total of 1549 participant aged 65 years and above from CHNS 2009 were included in the analysis. Information on spicy food consumption was obtained using a questionnaire survey and 24h dietary recalls over three consecutive days combined with weighted food inventory...
2018: Journal of Nutrition, Health & Aging
Mariana De Santis Filgueiras, Lara Gomes Suhett, Mariane Alves Silva, Naruna Pereira Rocha, Juliana Farias de Novaes
OBJECTIVE: To evaluate the association of vitamin D intake with dyslipidaemia and vitamin D insufficiency/deficiency in Brazilian children and identify the main food group sources of this nutrient in the sample. DESIGN: A cross-sectional study carried out with a representative sample. Blood was collected after 12 h of fasting. Laboratory tests were performed to determine total cholesterol, HDL cholesterol (HDL-C), LDL cholesterol, TAG, apoB, apoA1, 25-hydroxyvitamin D and parathyroid hormone...
February 26, 2018: Public Health Nutrition
Yusuke Masuda, Shinji Yamaguchi, Chikako Suzuki, Takahide Aburatani, Yuki Nagano, Ryuki Miyauchi, Eiko Suzuki, Naotoshi Yamamura, Kentaro Nagatomo, Hidetoshi Ishihara, Kazuaki Okuno, Futoshi Nara, Gabriele Matschiner, Ryuji Hashimoto, Tohru Takahashi, Tomohiro Nishizawa
Since it was recently reported that an antibody for proprotein convertase subtilisin/kexin type 9 (PCSK9) reduced the risk of cardiovascular events in a clinical context, PCSK9 inhibition is thought to be an attractive therapy for dyslipidemia. In the present study, we created a novel small biologic alternative to PCSK9 antibodies called DS-9001a, comprising an albumin binding domain fused to an artificial lipocalin mutein (ABD-fused Anticalin protein), which can be produced by a microbial production system...
February 20, 2018: Journal of Pharmacology and Experimental Therapeutics
Tomokazu Konishi, Yoko Takahashi
Although lipoproteins are conventionally separated into a few classes using density gradient centrifugation, there may be a much higher number of physical classes that differ in origin or phase. Comprehensive knowledge of the classes of lipoproteins is rather limited, which hinders both the study of their functions and the identification of the primary causes of related diseases. This study aims to determine the number of classes of lipoproteins that can be practically distinguishable and identify the differences between them...
2018: PloS One
Mohsen Mazidi, Niki Katsiki, Dimitri P Mikhailidis, Maciej Banach
BACKGROUND AND AIMS: Conflicting results suggest a link between serum uric acid (SUA), inflammation and glucose/insulin homeostasis; however, the role of adiposity in this relationship is not clear. Therefore, we evaluated the role of different adiposity factors, including central body mass index (BMI), peripheral waist circumference (WC), and visceral adiposity [visceral adipose tissue (apVAT)], on the association between SUA, inflammation and glucose/insulin homeostasis among US adults...
December 26, 2017: Atherosclerosis
Jin Ook Chung, Seon-Young Park, Ji Hyun Han, Dong Hyeok Cho, Dong Jin Chung, Min Young Chung
OBJECTIVE: To evaluate the relationship between levels of serum apolipoproteins and the prevalence of cardiovascular autonomic neuropathy (CAN) in type 2 diabetes. METHODS: In total, 3199 individuals with type 2 diabetes were investigated in a cross-sectional study. The diagnosis of CAN was made based on the results of a cardiovascular reflex test. Serum apolipoprotein A-I (apoA-I) and apolipoprotein B (apoB) levels were measured. RESULTS: Serum apoA-1 levels were significantly low in individuals with CAN, but there was no significant association between serum apoB levels and CAN...
January 31, 2018: Journal of Diabetes and its Complications
Nitika Setia, Renu Saxena, J P S Sawhney, Ishwar C Verma
OBJECTIVE: Familial Hypercholesterolemia (FH) is an inherited disorder of lipid metabolism characterized by very high low density lipoprotein (LDL) cholesterol since birth, resulting in premature atherosclerosis and coronary artery disease (CAD). Cascade screening of children and family members of proven FH individuals can identify more subjects who have high LDL cholesterol or the family mutation and appropriate intervention can reduce their risk of atherosclerosis and prevent its complications...
February 15, 2018: Indian Journal of Pediatrics
Yan Su, Ewout Foppen, Frederico Sander Mansur Machado, Eric Fliers, Andries Kalsbeek
Plasma triglyceride (TG) levels show a clear daily rhythm, however, thus far it is still unknown whether this rhythm results from a daily rhythm in TG production, TG uptake or both. Previous studies have shown that feeding activity affects plasma TG concentrations, but it is not clear how the daily rhythm in feeding activity affects plasma TG concentrations. In the present study, we measured plasma TG concentrations and TG secretion rates in rats at 6 Zeitgeber times to investigate whether plasma TG concentrations and TG secretion show a daily rhythm...
February 15, 2018: Chronobiology International
K Mladenovska, A Daka Grapci, M Vavlukis, A Kapedanovska, A Eftimov, N Matevska Geshkovska, D Nebija, A J Dimovski
Atorvastatin, as 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitor, is a widely prescribed medication for the treatment of dyslipidemia. However, despite its clinical efficacy in reducing major cardiovascular events, a wide inter-individual variability in its response exists. Several studies in this area point to the effect of polymorphisms in the solute carrier organic anion transporter 1B1 (SLCO1B1) gene encoding the multiple organic anion-transporting polypeptide 1B1 (OATP1B1) involved in hepatic uptake of atorvastatin...
May 1, 2017: Die Pharmazie
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