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Xue-Fen Wu, Xiao-Li Chen, Xue-Na Zheng, Xin Guo, Zhi-Qiang Xie, Li Liu, Xin-Ran Wei, Zeng-Hui Yue
OBJECTIVE: To observe the effect of different strength of electroacupuncture (EA) stimulation on gastrointestinal motility and Ras homolog gene family member (RhoA)/Rho associated coiled-coil forming protein kinase (ROCK) signaling in diabetic gastroparesis (DGP) rats, so as to reveal the underlying mechanisms of EA for improving DGP. METHODS: Sixty SD rats were randomly and equally divided into blank control, DGP model, weak EA, medium EA, and strong EA groups ( n =12 rats in each)...
March 25, 2018: Zhen Ci Yan Jiu, Acupuncture Research
Adrien Lebasnier, Damien Legallois, Boris Bienvenu, Emmanuel Bergot, Cédric Desmonts, Gérard Zalcman, Denis Agostini, Alain Manrique
OBJECTIVE: The identification of cardiac sarcoidosis is challenging as there is no gold standard consensually admitted for its diagnosis. The aim of this study was to evaluate the diagnostic value of the assessment of cardiac dynamic18 F-fluoro-2-deoxyglucose positron emission tomography (18 F-FDG PET/CT) and net influx constant (Ki) in patients suspected of cardiac sarcoidosis. METHODS: Data obtained from 30 biopsy-proven sarcoidosis patients suspected of cardiac sarcoidosis who underwent a 50-min list-mode cardiac dynamic18 F-FDG PET/CT after a 24 h high-fat and low-carbohydrate diet were analyzed...
March 20, 2018: Annals of Nuclear Medicine
László Potor, Péter Nagy, Gábor Méhes, Zoltán Hendrik, Viktória Jeney, Dávid Pethő, Anita Vasas, Zoltán Pálinkás, Enikő Balogh, Ágnes Gyetvai, Matthew Whiteman, Roberta Torregrossa, Mark E Wood, Sándor Olvasztó, Péter Nagy, György Balla, József Balla
The infiltration of red blood cells into atheromatous plaques is implicated in atherogenesis. Inside the lesion, hemoglobin (Hb) is oxidized to ferri- and ferrylHb which exhibit prooxidant and proinflammatory activities. Cystathione gamma-lyase- (CSE-) derived H2 S has been suggested to possess various antiatherogenic actions. Expression of CSE was upregulated predominantly in macrophages, foam cells, and myofibroblasts of human atherosclerotic lesions derived from carotid artery specimens of patients. A similar pattern was observed in aortic lesions of apolipoprotein E-deficient mice on high-fat diet...
2018: Oxidative Medicine and Cellular Longevity
Ioanna Petta, Judith Fraussen, Veerle Somers, Markus Kleinewietfeld
B cells possess a predominant role in adaptive immune responses via antibody-dependent and -independent functions. The microbiome of the gastrointestinal tract is currently being intensively investigated due to its profound impact on various immune responses, including B cell maturation, activation, and IgA antibody responses. Recent findings have demonstrated the interplay between dietary components, gut microbiome, and autoantibody production. "Western" dietary patterns, such as high fat and high salt diets, can induce alterations in the gut microbiome that in turn affects IgA responses and the production of autoantibodies...
2018: Frontiers in Immunology
Elena Sanguinetti, Maria Carmen Collado, Vannina G Marrachelli, Daniel Monleon, Marta Selma-Royo, Mercedes M Pardo-Tendero, Silvia Burchielli, Patricia Iozzo
Cognitive decline, obesity and gut dysfunction or microbial dysbiosis occur in association. Our aim was to identify gut microbiota-metabolomics signatures preceding dementia in genetically prone (3xtg) mice, with and without superimposed high-fat diet. We examined the composition and diversity of their gut microbiota, and serum and faecal metabolites. 3xtg mice showed brain hypometabolism typical of pre-demented stage, and lacked the physiological bacterial diversity between caecum and colon seen in controls...
March 20, 2018: Scientific Reports
Nadège Bossuet-Greif, Julien Vignard, Frédéric Taieb, Gladys Mirey, Damien Dubois, Claude Petit, Eric Oswald, Jean-Philippe Nougayrède
Colibactins are hybrid polyketide-nonribosomal peptides produced by Escherichia coli , Klebsiella pneumoniae , and other Enterobacteriaceae harboring the pks genomic island. These genotoxic metabolites are produced by pks -encoded peptide-polyketide synthases as inactive prodrugs called precolibactins, which are then converted to colibactins by deacylation for DNA-damaging effects. Colibactins are bona fide virulence factors and are suspected of promoting colorectal carcinogenesis when produced by intestinal E...
March 20, 2018: MBio
Dina A Schneider, Soo-Ho Choi, Colin Agatisa-Boyle, Laurence Zhu, Jungsu Kim, Jennifer Pattison, Dorothy D Sears, Philip L S M Gordts, Longhou Fang, Yury I Miller
Apolipoprotein A-I Binding Protein (AIBP) has been shown to augment cholesterol efflux from endothelial cells and macrophages. In zebrafish and mice, AIBP-mediated regulation of cholesterol levels in the plasma membrane of endothelial cells controls angiogenesis. The goal of this work was to evaluate metabolic changes and atherosclerosis in AIBP loss-of-function and gain-of-function animal studies. Here we show that Apoa1bp-/-Ldlr-/- mice fed a high-cholesterol, high-fat diet had exacerbated weight gain, liver steatosis, glucose intolerance, hypercholesterolemia and hypertriglyceridemia, and larger atherosclerotic lesions compared to Ldlr-/- mice...
March 20, 2018: Journal of Lipid Research
Jian Yang, Ping Zeng, Jun Yang, Xiaowen Liu, Jiawang Ding, Huibo Wang, Lihua Chen
PURPOSE: Hyperglycemia is the high risk factor of vascular remodeling induced by angioplasty, and neointimal hyperplasia is strongly implicated in the pathogenesis of vascular remodeling caused by carotid artery balloon injury. Studies have shown that MicroRNA 24 (miR-24) plays an important role in angiocardiopathy, However, the role of miR-24 is far from thorough research. In this study, we investigate whether up-regulation of miR-24 by using miR-24 recombinant adenovirus (Ad-miR-24-GFP) can inhibit PDGF-BB signaling pathway and attenuate vascular remodeling in the diabetic rat model...
March 17, 2018: Gene
Alexia J Murphy-Alford, Melinda White, Liane Lockwood, Andrew Hallahan, Peter S W Davies
AIM: To describe the body composition, dietary intake and physical activity and of paediatric, adolescent and young adult childhood cancer survivors (CCS) and examine the factors that impact body composition after treatment. METHODS: This prospective cross-sectional study involved 74 subjects who were at least three years post treatment. Measurements included anthropometry, whole body potassium counting, air displacement plethysmography, and three day physical activity and diet diaries...
March 7, 2018: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
Yoon-Young Sung, Dong-Seon Kim, Seung-Hyung Kim, Ho Kyoung Kim
BACKGROUND: Allium fistulosum (Welsh onion) is a traditional medicinal plant used for the treatment of colds, influenza, abdominal pain, headache, and heart disease. This study evaluated the effects of A. fistulosum ethanolic extract (AFE) and aqueous extract (AFW) on body weight and other obesity-related parameters. METHODS: Male 8-week-old C57BL/6 J mice were fed either a standard chow diet (normal control) or a high-fat diet (HFD) either alone (HFD-control) or in combination with G...
March 20, 2018: BMC Complementary and Alternative Medicine
Ying Huang, Fang Liu, Fang Zhang, Pingsheng Liu, Tao Xu, Wenjun Ding
Numerous studies have demonstrated that vanadium compounds are able to improve lipemia and triglyceridemia in both humans and animals. However, the molecular mechanism remains elusive. The present study was conducted to investigate the anti-hyperlipidemic effect of vanadium(IV) complex with 4-chlorodipicolinic acid (VOdipic-Cl)-induced autophagy on hepatic lipid accumulation. To explore the possible underlying mechanisms, primary rat hepatocytes, human hepatoma cell line HepG2, and liver tissue from C57BL/6 mice fed a high-fat diet (HFD) were used...
March 14, 2018: Journal of Inorganic Biochemistry
Soo-Min Lim, Eunju Kim, Jae-Ho Shin, Pu Reum Seok, Sangwon Jung, Sang-Ho Yoo, Yuri Kim
Obesity is a public concern and is responsible for various metabolic diseases. Xylobiose (XB), an alternative sweetener, is a major component of xylo-oligosaccharide. The purpose of this study was to investigate the effects of XB on obesity and its associated metabolic changes in related organs. For these studies, mice received a 60% high-fat diet supplemented with 15% d-xylose, 10% XB, or 15% XB as part of the total sucrose content of the diet for ten weeks. Body weight, fat and liver weights, fasting blood glucose, and blood lipids levels were significantly reduced with XB supplementation...
March 20, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Monika Lakk, Felix Vazquez-Chona, Oleg Yarishkin, David Križaj
Unesterified cholesterol controls the fluidity, permeability and electrical properties of eukaryotic cell membranes. Consequently, cholesterol levels in the retina and the brain are tightly regulated whereas depletion or oversupply caused by diet or heredity contribute to neurodegenerative diseases and vision loss. Astroglia play a central role in the biosynthesis, uptake and transport of cholesterol and also drive inflammatory signaling under hypercholesterolemic conditions associated with high-fat diet (diabetes) and neurodegenerative disease...
February 2018: Neural Regeneration Research
Ji-Sun Kim, Hyunjung Lee, Chang Hwa Jung, Sung-Joon Lee, Tae-Youl Ha, Jiyun Ahn
Mitochondrial dysfunction is associated with insulin resistance. Although chicoric acid (CA) is known to have beneficial effects on insulin sensitivity, the involvement of mitochondrial function has not been elucidated yet. Here, we investigated the effect of CA on insulin resistance and mitochondrial dysfunction. In palmitate-induced insulin-resistant C2C12 myotubes, CA improved impaired glucose uptake and insulin signaling pathways, along with enhanced mitochondrial membrane potential and oxygen consumption...
March 20, 2018: Bioscience, Biotechnology, and Biochemistry
Yuan Luo, Parinaz Abiri, Shell Zhang, Chih-Chiang Chang, Amir H Kaboodrangi, Rongsong Li, Ashish K Sahib, Alex Bui, Rajesh Kumar, Mary Woo, Zhaoping Li, René R Sevag Packard, Yu-Chong Tai, Tzung K Hsiai
Introduction: Obesity is associated with an increased risk of nonalcoholic fatty liver disease (NAFLD). While Magnetic Resonance Imaging (MRI) is a non-invasive gold standard to detect fatty liver, we demonstrate a low-cost and portable electrical impedance tomography (EIT) approach with circumferential abdominal electrodes for liver conductivity measurements. Methods and Results: A finite element model (FEM) was established to simulate decremental liver conductivity in response to incremental liver lipid content...
2018: Theranostics
Carmen Losasso, Ester M Eckert, Eleonora Mastrorilli, Jorg Villiger, Marzia Mancin, Ilaria Patuzzi, Andrea Di Cesare, Veronica Cibin, Federica Barrucci, Jakob Pernthaler, Gianluca Corno, Antonia Ricci
Diet and lifestyle have a strong influence on gut microbiota, which in turn has important implications on a variety of health-related aspects. Despite great advances in the field, it remains unclear to which extent the composition of the gut microbiota is modulated by the intake of animal derived products, compared to a vegetable based diet. Here the specific impact of vegan, vegetarian, and omnivore feeding type on the composition of gut microbiota of 101 adults was investigated among groups homogeneous for variables known to have a role in modulating gut microbial composition such as age, anthropometric variables, ethnicity, and geographic area...
2018: Frontiers in Microbiology
Tatsuhiro Ayabe, Rena Ohya, Keiji Kondo, Yasuhisa Ano
Dementia and cognitive decline have become worldwide public health problems, and it was recently reported that life-style related diseases and obesity are key risk factors in dementia. Iso-α-acids, hop-derived bitter components of beer, have been reported to have various physiological functions via activation of peroxisome proliferator-activated receptor γ. In this report, we demonstrated that daily intake of iso-α-acids suppresses inflammations in the hippocampus and improves cognitive decline induced by high fat diet (HFD)...
March 19, 2018: Scientific Reports
Liping Luo, Wanxiang Jiang, Hui Liu, Jicheng Bu, Ping Tang, Chongyangzi Du, Zhipeng Xu, Hairong Luo, Bilian Liu, Bo Xiao, Zhiguang Zhou, Feng Liu
The growth receptor binding protein Grb10 is an imprinted gene product and a key negative regulator of the insulin, IGF1 and mTORC1 signaling pathways. Grb10 is highly expressed in mouse fetal liver but almost completely silenced in adult mice, suggesting a potential detrimental role of this protein in adult liver function. Here we show that the grb10 gene could be reactivated in adult mouse liver by acute endoplasmic reticulum stress (ER stress) such as tunicamycin or a short-term high fat diet (HFD) challenge, concurrently with increased unfolded protein response (UPR) and hepatosteatosis...
March 19, 2018: Journal of Molecular Endocrinology
Wang Chengji, Fan Xianjin
OBJECTIVE: To investigate the biological mechanism of the effect of different intensity exercises on diabetic cardiomyopathy. METHODS: 87 male SPF 6-wks old male S-D rats, after 6 weeks high fat diet, diabetic model was established, randomly selected 43 divided into diabetic control group (DCG, n=10), low intensity group (LIG, n=11), moderate intensity group (MIG, n=11), and high-intensity group (HIG, n=11).The rats in LIG were forced to run on a motorized treadmill, the exercise load consisted of running at a speed of 10 meters/min, MIG were running 15 meters/min, HIG were running 20 meters/min, one hour a day for 6 weeks...
March 19, 2018: Endocrine Connections
Chia-Lun Lee, Yu-Hsuan Kuo, Ching-Feng Cheng
PURPOSE: To examine the effects of 2 exercise regimes on physiological and postprandial lipemic responses. METHODS: Thirty-six active men (peak oxygen uptake (VO2peak): 46.5 ± 6.4 mL/kg/min) were randomly assigned to a high-intensity interval exercise (HIIE), involving 10 × 60 s cycling at 85% VO2peak interspersed with 120 s recovery; a moderate-intensity continuous exercise (MICE), involving 50 min continuous exercise at 65% VO2peak; and a nonexercise control (Con)...
March 16, 2018: Medicine and Science in Sports and Exercise
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