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https://www.readbyqxmd.com/read/28716818/intimal-hyperplasia-induced-by-vascular-intervention-causes-lipoprotein-retention-and-accelerated-atherosclerosis
#1
Siavash Kijani, Ana Maria Vázquez, Malin Levin, Jan Borén, Per Fogelstrand
Accelerated atherosclerosis diminishes the long term patency of vascular interventions, such as percutaneous coronary intervention and implantation of saphenous vein grafts. However, the cause of this accelerated atherosclerosis is unclear. In this study, we tested the hypothesis that intimal hyperplasia formed following vascular intervention promotes retention of atherogenic lipoproteins. Intimal hyperplasia was surgically induced in the mouse common carotid artery. The surgery was combined with different mouse models of hypercholesterolemia to obtain different cholesterol levels and to control the onsets of hypercholesterolemia...
July 2017: Physiological Reports
https://www.readbyqxmd.com/read/28713570/reduced-first-phase-insulin-secretion-increases-postprandial-lipidemia-in-subjects-with-impaired-glucose-tolerance
#2
Miguel Ángel Gómez-Sámano, Daniel Cuevas-Ramos, Mariana Grajales-Gómez, Marco Escamilla-Márquez, Angelina López-Estrada, Luz Elizabeth Guillén-Pineda, Guadalupe López-Carrasco, Francisco J Gómez-Pérez
OBJECTIVE: It is not clear which phase of insulin secretion is more important to regulate lipoprotein lipase (LPL) activity. After a meal, insulin is released and acts as a major regulator of LPL activity. Postprandial hyperlipidemia is a common comorbidity in subjects with insulin resistance (IR). Therefore this study aimed to evaluate the role of the first-phase insulin secretion (FPIS) on postprandial lipidemia in subjects with IR and impaired glucose tolerance (IGT). RESEARCH DESIGN AND METHODS: This is a cross-sectional, observational and comparative study...
2017: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/28711866/identification-of-apob-100-peptide-specific-cd8-t-cells-in-atherosclerosis
#3
Paul C Dimayuga, Xiaoning Zhao, Juliana Yano, Wai Man Lio, Jianchang Zhou, Peter M Mihailovic, Bojan Cercek, Prediman K Shah, Kuang-Yuh Chyu
BACKGROUND: T cells are found in atherosclerotic plaques, with evidence supporting a potential role for CD8+ T cells in atherogenesis. Prior studies provide evidence of low-density lipoprotein and apoB-100 reactive T cells, yet specific epitopes relevant to the disease remain to be defined. The current study was undertaken to identify and characterize endogenous, antigen-specific CD8+ T cells in atherosclerosis. METHODS AND RESULTS: A peptide fragment of apoB-100 that tested positive for binding to the mouse MHC-I allele H2K(b) was used to generate a fluorescent-labeled H2K(b) pentamer and tested in apoE(-/-) mice...
July 15, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28708930/effects-of-high-intensity-aerobic-interval-training-on-cardiovascular-disease-risk-in-testicular-cancer-survivors-a-phase-2-randomized-controlled-trial
#4
Scott C Adams, Darren S DeLorey, Margie H Davenport, Michael K Stickland, Adrian S Fairey, Scott North, Alexander Szczotka, Kerry S Courneya
BACKGROUND: Testicular cancer survivors (TCS) have an increased risk of treatment-related cardiovascular disease (CVD), which may limit their overall survival. We evaluated the effects of high-intensity aerobic interval training (HIIT) on traditional and novel CVD risk factors and surrogate markers of mortality in a population-based sample of TCS. METHODS: This phase 2 trial (ClinicalTrials.gov identifier NCT02459132) randomly assigned 63 TCS to usual care (UC) or 12 weeks of supervised HIIT (ie, alternating periods of vigorous-intensity and light-intensity aerobic exercise)...
July 14, 2017: Cancer
https://www.readbyqxmd.com/read/28705231/metabolic-syndrome-and-its-components-in-polish-women-of-childbearing-age-a-nationwide-study
#5
Dorota Szostak-Węgierek, Anna Waśkiewicz, Walerian Piotrowski, Urszula Stepaniak, Andrzej Pająk, Magdalena Kwaśniewska, Paweł Nadrowski, Arkadiusz Niklas, Aleksandra Puch-Walczak, Wojciech Drygas
BACKGROUND: Abnormal body mass and related metabolic disorders may affect female reproductive health. The purpose of the study was to determine the prevalence of underweight, overweight, obesity, lipid and glucose metabolism disorders, hypertension, and metabolic syndrome, among Polish women of childbearing age. METHODS: One thousand five hundred eighty-eight non-pregnant Polish women of childbearing age (20-49 years) who participated in the Multi-Centre National Population Health Examination Survey (WOBASZ II study) in 2013-2014, were assigned to 3 age groups: 20-29 years (n = 403), 30-39 years (n = 600) and 40-49 years (n = 585)...
July 13, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28704936/effects-of-a-new-nutraceutical-formulation-berberine-red-yeast-rice-and-chitosan-on-non-hdl-cholesterol-levels-in-individuals-with-dyslipidemia-results-from-a-randomized-double-blind-placebo-controlled-study
#6
Valentina Spigoni, Raffaella Aldigeri, Monica Antonini, Maria Maddalena Micheli, Federica Fantuzzi, Andrea Fratter, Marzia Pellizzato, Eleonora Derlindati, Ivana Zavaroni, Riccardo C Bonadonna, Alessandra Dei Cas
Increased non high-density lipoprotein (HDL)/low-density lipoprotein (LDL) cholesterol levels are independent risk factors for cardiovascular (CV) mortality with no documented threshold. A new combination of nutraceuticals (berberine 200 mg, monacolin K 3 mg, chitosan 10 mg and coenzyme Q 10 mg) with additive lipid-lowering properties has become available. The aim of the study is to test the efficacy of the nutraceutical formulation (one daily) in lowering non-HDL cholesterol vs. placebo at 12 weeks in individuals with non-HDL-cholesterol levels ≥160 mg/dL...
July 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28704465/lipoprotein-a-in-patients-with-aortic-stenosis-insights-from-cardiovascular-magnetic-resonance
#7
Vassilios S Vassiliou, Paul D Flynn, Claire E Raphael, Simon Newsome, Tina Khan, Aamir Ali, Brian Halliday, Annina Studer Bruengger, Tamir Malley, Pranev Sharma, Subothini Selvendran, Nikhil Aggarwal, Anita Sri, Helen Berry, Jackie Donovan, Willis Lam, Dominique Auger, Stuart A Cook, Dudley J Pennell, Sanjay K Prasad
BACKGROUND: Aortic stenosis is the most common age-related valvular pathology. Patients with aortic stenosis and myocardial fibrosis have worse outcome but the underlying mechanism is unclear. Lipoprotein(a) is associated with adverse cardiovascular risk and is elevated in patients with aortic stenosis. Although mechanistic pathways could link Lipoprotein(a) with myocardial fibrosis, whether the two are related has not been previously explored. In this study, we investigated whether elevated Lipoprotein(a) was associated with the presence of myocardial replacement fibrosis...
2017: PloS One
https://www.readbyqxmd.com/read/28702444/combined-training-strength-plus-aerobic-potentiates-a-reduction-in-body-fat-but-only-functional-training-reduced-low-density-lipoprotein-cholesterol-in-postmenopausal-women-with-a-similar-training-load
#8
Fabrício Eduardo Rossi, Ana Claudia S Fortaleza, Lucas M Neves, Tiego A Diniz, Marcela R de Castro, Camila Buonani, Jorge Mota, Ismael F Freitas
The aim of this study was to compare the effects of combined (CT; strength plus aerobic) and functional training (FT) on the body composition and metabolic profile with a similar training load in postmenopausal women. The participants were divided into three groups: CT (n=20), FT (n=17), and control group (CG, n=15). The trunk FM, fat mass (FM), percentage of FM (FM%), and fat-free mass were estimated by dual-energy X-ray absorptiometry. The metabolic profile, glucose, triacylglycerol, total cholesterol, high-density lipoprotein cholesterol and low-density lipoprotein cholesterol (LDL-c) were assessed...
June 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28699484/immune-response-to-native-lipoproteins-induces-visceral-obesity-and-aortic-wall-injury-in-rats-the-role-of-testosterone
#9
Kseniya Fomina, Liubov Beduleva, Igor Menshikov, Marina Marina Anikaeva, Daria Suntsova, Alexandr Sidorov, Elena Stolyarova
OBJECTIVES: The underlying mechanism of atherosclerosis and visceral obesity remains unknown. The purpose of this study was to test the hypothesis that atherosclerosis and visceral obesity are caused by an immune response to native plasma lipoproteins, and the atherogenic and adipogenic effects of the antibodies to native lipoproteins stem from the androgen deficiency that is created. METHODS: Wistar rats were immunized with native human (nh) low-density (LDL) or high-density lipoproteins (HDL)...
July 11, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28698281/mir-27b-augments-bone-marrow-progenitor-cell-survival-via-suppressing-the-mitochondrial-apoptotic-pathway-in-type-2-diabetes
#10
Hainan Li, Jenney Liu, Yihan Wang, Zhiyao Fu, Maik Huttemann, Terrence J Monks, Alex F Chen, Jie-Mei Wang
INTRODUCTION: Bone marrow derived progenitor cells (BMPCs) are potential candidates for autologous cell therapy in tissue repair because of their high angiogenic potential. However, increased progenitor cell apoptosis in diabetes directly limits their success in the clinic. MicroRNAs are endogenous non-coding RNAs that regulate gene expression at the post-transcriptional level, but their roles in BMPC-mediated angiogenesis are incompletely understood. In the present study, we tested the hypothesis that the pro-angiogenic miR-27b inhibits BMPC apoptosis in type 2 diabetes...
July 11, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28695813/value-of-acoustic-radiation-force-impulse-imaging-in-the-diagnosis-of-early-non-alcoholic-steatohepatitis
#11
(no author information available yet)
Objective To evaluate the value of acoustic radiation force impulse(ARFI)imaging in the diagnosis of early non-alcoholic steatohepatitis(NASH).Methods Totally 32 SD rats were randomly divided into high-fat diet group(n=24)and normal-diet group(n=8)by using the random number table. At the end of the 4(th),8(th),12(th),and 16(th) week,six rats from the high-diet group and two rats from the normal-diet group were selected blindly for weighting,blood biochemical test,conventional ultrasound,and ARFI imaing. HE staining was used for pathological observation...
June 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28695801/establishment-and-assessment-of-mice-models-of-type-2-diabetes-mellitus
#12
Fangfang Xu, Nan Wang, Gangqiang Li, Wenfang Guo, Caifeng Yang, Dehu Liu
Objective To establish type 2 diabetes mellitus(T2DM)KM mouse models via the combined use of high-calorie diet and multiple administration of low-dose streptozotocin(STZ). Methods Based on the randomized number table,30 KM mice were equally and randomly divided into 2 groups:modeling group and control group. Mice in the modeling group were given foods with high calories for one month and injected with 30 mg/kg STZ via the left lower abdominal cavity for 2-4 consecutive days,while mice in the control group were fed with standard maintenance foods and the same dose of citrate buffer solution...
June 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28694205/association-of-variants-in-sh2b1-and-rabep1-with-worsening-of-low-density-lipoprotein-and-glucose-parameters-in-patients-treated-with-psychotropic-drugs
#13
Aurélie Delacrétaz, Adna Zdralovic, Frederik Vandenberghe, Nuria Saigi-Morgui, Anaïs Glatard, Lina Quteineh, Mehdi Gholam-Rezaee, Wassim Raffoul, Lee Ann Applegate, Paris Jafari, Franziska Gamma, Armin von Gunten, Philippe Conus, Chin B Eap
Genetic factors associated with Body Mass Index (BMI) have been widely studied over the last decade. We examined whether genetic variants previously associated with BMI in the general population are associated with cardiometabolic parameter worsening in the psychiatric population receiving psychotropic drugs, a high-risk group for metabolic disturbances. Classification And Regression Trees (CARTs) were used as a tool capable of describing hierarchical associations, to pinpoint genetic variants best predicting worsening of cardiometabolic parameters (i...
July 7, 2017: Gene
https://www.readbyqxmd.com/read/28693121/impact-of-discontinuation-of-growth-hormone-treatment-on-lipids-and-weight-status-in-adolescents
#14
Juliane Rothermel, Nina Lass, Christina Bosse, Thomas Reinehr
BACKGROUND: While the main role of growth hormone (GH) replacement therapy in children is to promote linear growth, GH has also an effect on lipids and body composition. There is an ongoing discussion whether discontinuation of GH treatment is associated with deterioration of lipids. METHODS: We analyzed weight status [as body mass index-standard deviation score (BMI-SDS)], insulin like growth factor (IGF)-1, triglycerides, total, low-density liporptoein (LDL)- and high-density lipoprotein (HDL)-cholesterol at the end of GH treatment and in mean 6 months later in 90 adolescents (53 with GH deficiency, 16 with Turner syndrome [TS] and 21 born small-for-gestational age [SGA])...
June 24, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28692288/towards-reliable-lipoprotein-particle-predictions-from-nmr-spectra-of-human-blood-an-interlaboratory-ring-test
#15
Sandra Monsonis Centelles, Huub C J Hoefsloot, Bekzod Khakimov, Parvaneh Ebrahimi, Mads V Lind, Mette Kristensen, Niels de Roo, Doris M Jacobs, John van Duynhoven, Claire Cannet, Fang Fang, Eberhard Humpfer, Hartmut Schaefer, Manfred Spraul, Soeren Balling Engelsen, Age Klaas Smilde
Lipoprotein profiling of human blood by 1H Nuclear Magnetic Resonance (NMR) spectroscopy is a rapid and promising approach to monitor health and disease states in medicine and nutrition. However, lack of standardization of measurement protocols has prevented the use of NMR-based lipoprotein profiling in meta-studies. In this study, a standardized NMR measurement protocol was applied in a ring test performed across three different laboratories in Europe on plasma and serum samples from 28 individuals. Data was evaluated in terms of (i) spectral differences, (ii) differences in LPD predictions obtained using an existing prediction model and (iii) agreement of predictions with cholesterol concentrations in high and low density lipoproteins (HDL and LDL) particles measured by standardized clinical assays...
July 10, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28690226/-prevalence-of-dyslipidemia-and-its-influential-factors-in-2-028-students-from-primary-and-middle-schools-in-changsha
#16
Yamei Li, Jiayou Luo, Jun Ma, Zhiyong Zou, Xiaoqun Liu, Huixia Li
To determine the prevalence of dyslipidemia in students from the primary and middle schools and the influential factors, and to provide evidence for the prevention and control of dyslipidemia and relevant chronic diseases in primary and middle schools. 
 Methods: A total of 2 028 students aged 7 to 17 from the primary and middle schools in Changsha were selected by stratified random cluster sampling. The contents of the study included questionnaire survey, physical measurement and blood tests for fasting blood triglyceride (TG), total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), and high-density lipoprotein cholesterol (HDL-C) levels...
June 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28686624/adverse-effects-of-chronic-exposure-to-nonylphenol-on-non-alcoholic-fatty-liver-disease-in-male-rats
#17
Jie Yu, Xuesong Yang, Ya Luo, Xuefeng Yang, Mengxue Yang, Jin Yang, Jie Zhou, Feng Gao, Liting He, Jie Xu
Endocrine-disrupting chemical (EDC) has been thought to play a role in non-alcoholic fatty liver disease (NAFLD). However, the toxic effects of Nonylphenol (NP), an EDC, on non-alcoholic fatty liver disease have never been elaborated. This study aimed to investigate whether exposure to NP could induce NAFDL, a promoting effect of high-sucrose-high-fat diet (HSHFD) on the adverse effects caused by NP was evaluated. Fourth eight male rats were assigned to four groups and each group was treated with a specific testing sample: normal-diet (ND) control group (C-ND); normal diet plus NP (180mg/kg/day) group (NP-ND); high-sucrose-high-fat-diet control group (C-HSHFD); HSHFD plus NP (180mg/kg/day) group (NP-HSHFD)...
2017: PloS One
https://www.readbyqxmd.com/read/28686117/predicting-ischemic-stroke-after-carotid-artery-stenting-based-on-proximal-calcification-and-the-jellyfish-sign
#18
Nobuhiko Ichinose, Seiji Hama, Toshio Tsuji, Zu Soh, Hideaki Hayashi, Yoshihiro Kiura, Shigeyuki Sakamoto, Takahito Okazaki, Daizo Ishii, Katsuhiro Shinagawa, Kaoru Kurisu
OBJECTIVE Carotid artery stenting (CAS) has been considered to prevent ischemic strokes caused by stenosis of the cervical carotid artery. The most common complication of CAS is new cerebral infarction. The authors have previously reported that the jellyfish sign-the rise and fall of the mobile component of the carotid plaque surface detected by carotid ultrasonography-suggests thinning and rupture of the fibrous cap over the unstable plaque content, such as the lipid-rich necrotic core or internal plaque hemorrhage...
July 7, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28683964/detrimental-effect-of-hypercholesterolemia-on-high-density-lipoprotein-particle-remodeling%C3%A2-in%C3%A2-pigs
#19
Teresa Padró, Judit Cubedo, Sandra Camino, Maria Teresa Béjar, Soumaya Ben-Aicha, Guiomar Mendieta, Joan Carles Escolà-Gil, Rafael Escate, Manuel Gutiérrez, Laura Casani, Lina Badimon, Gemma Vilahur
BACKGROUND: Beneficial effects of high-density lipoproteins (HDL) seem altered in patients with symptomatic cardiovascular disease. We recently demonstrated in a swine model of ischemia-reperfusion (IR) that hypercholesterolemia abolishes HDL-related cardioprotection. OBJECTIVES: This study sought to investigate, using the same animal model, whether the reported impairment of HDL cardioprotective function was associated with alterations in HDL remodeling and functionality...
July 11, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28683453/effect-of-circular-anril-on-the-inflammatory-response-of-vascular-endothelial-cells-in-a-rat-model-of-coronary-atherosclerosis
#20
Chun-Li Song, Jin-Peng Wang, Xin Xue, Ning Liu, Xiao-Hao Zhang, Zhuo Zhao, Jian-Gen Liu, Chun-Peng Zhang, Zhe-Hao Piao, Yang Liu, Yi-Bo Yang
BACKGROUND/AIMS: This study aims to investigate the role of circular antisense non-coding RNA at the INK4 locus (cANRIL) in the inflammatory response of vascular endothelial cells (ECs) in a rat model of coronary atherosclerosis (AS). A rat model of AS was established with rats that were injected with a large dose of vitamin D3 and fed a high-fat diet. METHODS: Sixty Wistar rats were randomly assigned into control, model, empty vector, over-expressed cANRIL and low-expressed cANRIL groups (12 rats in each group)...
July 3, 2017: Cellular Physiology and Biochemistry
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