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https://www.readbyqxmd.com/read/28090635/sonographic-features-and-diagnosis-of-peripheral-schwannomas
#1
Fan Yang, Xian-Xiang Chen, Huo-Lin Wu, Ji-Fa Zhu, Yuan Chen, Ling-Fang Yu, Xiao-Juan Huang
BACKGROUND: To determine the sonographic features of peripheral schwannomas. METHODS: This retrospective study included 54 cases of schwannoma in 51 patients. Ultrasonography (US) and MRI were performed in all patients. The US features of each tumor were analyzed and compared with pathologic findings. The US target sign was compared with the MRI findings. RESULTS: On US, 53 of the 54 schwannomas had a regular shape and clear margins, and one had an irregular shape...
January 16, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28088646/bone-microarchitecture-in-adolescent-boys-with-autism-spectrum-disorder
#2
Ann M Neumeyer, Natalia Cano Sokoloff, Erin McDonnell, Eric A Macklin, Christopher J McDougle, Madhusmita Misra
BACKGROUND: Boys with autism spectrum disorder (ASD) have lower areal bone mineral density (aBMD) than typically developing controls (TDC). Studies of volumetric BMD (vBMD) and bone microarchitecture provide information about fracture risk beyond that provided by aBMD but are currently lacking in ASD. OBJECTIVES: To assess ultradistal radius and distal tibia vBMD, bone microarchitecture and strength estimates in adolescent boys with ASD compared to TDC. DESIGN/METHODS: Cross-sectional study of 34 boys (16 ASD, 18 TDC) that assessed (i) aBMD at the whole body (WB), WB less head (WBLH), hip and spine using dual X-ray absorptiometry (DXA), (ii) vBMD and bone microarchitecture at the ultradistal radius and distal tibia using high-resolution peripheral quantitative CT (HRpQCT), and (iii) bone strength estimates (stiffness and failure load) using micro-finite element analysis (FEA)...
January 11, 2017: Bone
https://www.readbyqxmd.com/read/28088205/quercetin-improves-macrophage-reverse-cholesterol-transport-in-apolipoprotein-e-deficient-mice-fed-a-high-fat-diet
#3
Yingjie Cui, Pengbo Hou, Fahui Li, Qinghua Liu, Shucun Qin, Guanghai Zhou, Xuelian Xu, Yanhong Si, Shoudong Guo
BACKGROUND: Quercetin, one of the most widely distributed flavonoids in plants, has been demonstrated to reduce hyperlipidaemia and atherosclerotic lesion formation. Reverse cholesterol transport (RCT) plays a crucial role in exporting cholesterol from peripheral cells, which is one mechanism utilized in the prevention and treatment of atherosclerosis. The aim of this study is to investigate whether quercetin reduces lipid accumulation by improving RCT in vivo. METHODS: Apolipoprotein E-deficient mice fed a high-fat diet were used to investigate the effect of quercetin on RCT by an isotope tracing method, and the underlying mechanisms were clarified by molecular techniques...
January 14, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28086781/effects-of-the-intradiscal-implantation-of-stromal-vascular-fraction-plus-platelet-rich-plasma-in-patients-with-degenerative-disc-disease
#4
Comella Kristin, Silbert Robert, Parlo Michelle
BACKGROUND: Stromal vascular fraction (SVF) can easily be obtained from a mini-lipoaspirate procedure of fat tissue and platelet rich plasma (PRP) can be obtained from peripheral blood. The SVF contains a mixture of cells including ADSCs and growth factors and has been depleted of the adipocyte (fat cell) population. We evaluated the safety and efficacy of administering SVF and PRP intra-discally into patients with degenerative disc disease. METHODS: A total of 15 patients underwent a local tumescent liposuction procedure to remove approximately 60 ml of fat tissue...
January 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28078821/collateral-fattening-when-a-deficit-in-lean-body-mass-drives-overeating
#5
EDITORIAL
Abdul G Dulloo
In his last review entitled "Some Adventures in Body Composition," Gilbert Forbes reminded us that "lean body mass and body fat are in a sense companions." To what extent the lean body mass (or fat-free mass) component in this companionship impacts on energy intake is rarely a topic for discussion, amid a dominant adipocentric view of appetite control. Yet an analysis of the few human studies that have investigated the relationships between objectively measured food intake and body composition reveals a potentially important role for both an increase and a decrease in fat-free mass in the drive to eat...
January 11, 2017: Obesity
https://www.readbyqxmd.com/read/28076613/the-role-of-dietary-fatty-acid-intake-in-inflammatory-gene-expression-a-critical-review
#6
Daniela Mayumi Rocha, Josefina Bressan, Helen Hermana Hermsdorff
CONTEXT AND OBJECTIVE: Diet is an important modifiable factor involved in obesity-induced inflammation. We reviewed clinical trials that assessed the effect of consumption of different fatty acids on the expression of inflammation-related genes, such as cytokines, adipokines, chemokines and transcription factors. DESIGN AND SETTING: Narrative review study conducted at a research center. METHODS: This was a review on the effect of fat intake on inflammatory gene expression in humans...
January 5, 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28074419/deciphering-the-molecular-mechanisms-involved-in-hiv-associated-lipoatrophy-by-transcriptomics-a-pilot-study
#7
Patricia Pérez-Matute, María Iñiguez, Emma Recio-Fernández, José-Antonio Oteo
HIV-associated lipoatrophy (LA) has considerable implications for risk of metabolic diseases, quality of life, and adherence to treatments. Although it has decreased in high-income countries, it is still very common in resource-limited countries. Understanding the pathophysiological mechanisms of LA can open the possibility to explore new ways to treat or prevent this condition. To identify new markers for an accurate and quick diagnosis will be also of interest. Thus, we aimed to examine functional classes of genes implicated in LA and to identify potential new markers for an accurate/quick diagnosis of LA and future complications...
January 10, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28067391/gene-expression-modulation-of-lipid-and-central-energetic-metabolism-related-genes-by-high-fat-diet-intake-in-the-main-homeostatic-tissues
#8
REVIEW
Bàrbara Reynés, Mariona Palou, Andreu Palou
It is generally assumed that high-fat (HF) diets induce characteristic gene expression regulation, which may cause metabolic alterations associated with an increased risk of obesity, metabolic syndrome and other health alterations. However, an integrative analysis of the effects in different tissues is lacking, thus preventing new strategies to prevent or counteract permanent consequences. This review particularly focuses on lipid metabolism gene expression modulation in key homeostatic tissues in response to HF diet intake...
January 9, 2017: Food & Function
https://www.readbyqxmd.com/read/28065722/peripheral-endocannabinoid-signaling-controls-hyperphagia-in-western-diet-induced-obesity
#9
Donovan A Argueta, Nicholas V DiPatrizio
The endocannabinoid system in the brain and periphery plays a major role in controlling food intake and energy balance. We reported that tasting dietary fats was met with increased levels of the endocannabinoids, 2-arachidonoyl-sn-glycerol (2-AG) and anandamide, in the rat upper small intestine, and pharmacological inhibition of this local signaling event dose-dependently blocked sham feeding of fats. We now investigated the contribution of peripheral endocannabinoid signaling in hyperphagia associated with chronic consumption of a western-style diet in mice ([WD] i...
January 5, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28057699/glucagon-like-peptide-1-and-its-analogues-act-in-the-dorsal-raphe-and-modulate-central-serotonin-to-reduce-appetite-and-body-weight
#10
Rozita H Anderberg, Jennifer E Richard, Kim Eerola, Lorena Lopez Ferreras, Elin Banke Nordbeck, Caroline Hansson, Hans Nissbrandt, Filip Berqquist, Fiona M Gribble, Frank Reimann, Ingrid Wernstedt-Asterholm, Christophe Lamy, Karolina P Skibicka
Glucagon-like peptide-1 (GLP-1) and serotonin play critical roles in energy balance regulation. Both systems are exploited clinically as anti-obesity strategies. Surprisingly whether they interact in order to regulate energy balance is poorly understood. Here we investigated mechanisms by which GLP-1 and serotonin interact at the level of the CNS. Serotonin depletion impaired the ability of exendin-4, a clinically utilized GLP-1 analogue, to reduce body weight in rats, suggesting serotonin is a critical mediator of the energy balance impact of GLP-1R activation...
January 5, 2017: Diabetes
https://www.readbyqxmd.com/read/28053003/melanin-concentrating-hormone-in-peripheral-circulation-in-the-human
#11
Jane Naufahu, Fawaz Alzaid, Marcela Fiuza Brito, Barbora Doslikova, Tania Marcela Valencia, Adam Cunliffe, Joanne F Murray
Melanin concentrating hormone (MCH) is a hypothalamic neuropeptide with a well-characterised role in energy homeostasis and emergent roles in diverse physiologic functions such as arousal, mood and reproduction. Work to date has predominantly focused on its hypothalamic functions using animal models however little attention has been paid to its role in circulation in humans. The aims of this study were to a) develop a radioimmunoassay for the detection of MCH in human plasma; b) establish reference ranges for circulating MCH; and c) characterize the pattern of expression of circulating MCH in humans...
January 4, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28045568/tissue-specific-nets-alter-genome-organization-and-regulation-even-in-a-heterologous-system
#12
Jose I de Las Heras, Nikolaj Zuleger, Dzmitry G Batrakou, Rafal Czapiewski, Alastair R W Kerr, Eric C Schirmer
Different cell types exhibit distinct patterns of 3D genome organization that correlate with changes in gene expression in tissue and differentiation systems. Several tissue-specific nuclear envelope transmembrane proteins (NETs) have been found to influence the spatial positioning of genes and chromosomes that normally occurs during tissue differentiation. Here we study 3 such NETs: NET29, NET39, and NET47, which are expressed preferentially in fat, muscle and liver, respectively. We found that even when exogenously expressed in a heterologous system they can specify particular genome organization patterns and alter gene expression...
January 3, 2017: Nucleus
https://www.readbyqxmd.com/read/28043929/using-the-hyperinsulinemic-euglycemic-clamp-to-assess-insulin-sensitivity-at-3%C3%A2-months-following-roux-en-y-gastric-bypass-surgery-in-type-2-diabetes-patients-with-bmi-35%C3%A2-kg-m-2-in-china
#13
Lei Zhao, Liyong Zhu, Zhihong Su, Yong Liu, Pengzhou Li, Xiangwu Yang, Weizheng Li, Lingjie Tan, Xulong Sun, Shaihong Zhu
BACKGROUND: The aim of this study was to describe short-time effect of Roux-en-Y gastric bypass (RYGB) on insulin sensitivity (IS) of Chinese diabetes patients with body mass index (BMI) <35 kg/m(2) by hyperinsulinemic euglycemic clamp. MATERIALS AND METHODS: We studied 15 type 2 diabete mellitus (T2DM) patients with BMI <35 kg/m(2), who underwent laparoscopical Roux-en-Y gastric bypass (LRYGB). Hyperinsulinemic-euglycemic clamp were performed at baseline and at 3 months after LRYGB...
December 30, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/28041725/the-effects-of-elevated-subcutaneous-fat-stores-on-fatty-acid-composition-and-gene-expression-of-proinflammatory-markers-in-periparturient-dairy-cows
#14
Cynthia M Scholte, Pedram Rezamand, Chia-Yu Tsai, Zahra M Amiri, Kirk C Ramsey, Mark A McGuire
During the periparturient period, elevated circulating nonesterified fatty acids (NEFA) from excessive lipid mobilization affect not only the circulating fatty acid (FA) composition, but also that of the peripheral blood mononuclear cells (PBMC) and polymorphonuclear leukocytes (PMNL). However, the changes to specific lipid fractions remain unknown. We hypothesized that elevated lipid mobilization will alter FA profiles and gene expression of selected proinflammatory mediators in PBMC and PMNL. Starting -28 d relative to expected calving (d 0), treatment cows (n = 18) received a dry cow ration plus an additional 10 kg of corn/head per day, while the control cows (n = 16) received the dry cow ration (no additional corn) supplemented with 400 mg of monensin/head per day to minimize lipid mobilization...
December 29, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/28039031/worsening-of-memory-deficit-induced-by-energy-dense-diet-in-a-rat-model-of-early-alzheimer-s-disease-is-associated-to-neurotoxic-a%C3%AE-species-and-independent-of-neuroinflammation
#15
Pamela V Martino Adami, Pablo Galeano, Marina L Wallinger, Celia Quijano, Alejandro Rabossi, Eleonora S Pagano, Natividad Olivar, Carlos Reyes Toso, Daniel Cardinali, Luis I Brusco, Sonia Do Carmo, Rafael Radi, Goar Gevorkian, Eduardo M Castaño, A Claudio Cuello, Laura Morelli
Diet is a modifiable risk factor for Alzheimer's disease (AD), but the mechanisms linking alterations in peripheral metabolism and cognition remain unclear. Since it is especially difficult to study long-term effects of high-energy diet in individuals at risk for AD, we addressed this question by using the McGill-R-Thy1-APP transgenic rat model (Tg(+/-)) that mimics presymptomatic AD. Wild-type and Tg(+/-) rats were exposed during 6months to a standard diet or a Western diet (WD), high in saturated fat and sugar...
December 27, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28034669/pioglitazone-improves-insulin-sensitivity-and-reduces-weight-loss-in-walker-256-tumor-bearing-rats
#16
Flaviane de Fatima Silva, Milene Ortiz-Silva, Winny Beatriz de Souza Galia, Priscila Cassolla, Maria Fernanda Rodrigues Graciano, Cassia Thaïs Bussamra Vieira Zaia, Dimas Zaia, Ângelo Rafael Carpinelli, Francemilson Goulart da Silva, Helenir Medri de Souza
AIM: The lipogenic effect of pioglitazone (PGZ), an insulin (INS) sensitizer, is well established. However, few studies have evaluated PGZ effects in preventing weight loss in cancer. We investigated PGZ effects, alone or associated with INS, on INS resistance, cachexia and metabolic abnormalities induced by Walker-256 tumor in rats MAIN METHODS: PGZ (5.0mg·kg(-1), oral) or PGZ+INS (NPH, 1.0UI·kg(-1), sc), were once-daily administered during 12days, starting on the day inoculation of Walker-256 tumor cells...
December 26, 2016: Life Sciences
https://www.readbyqxmd.com/read/28034590/hiv-infected-patients-with-and-without-lipodystrophy-under-combined-antiretroviral-therapy-evaluation-of-body-composition
#17
Inês Grenha, Joana Oliveira, Eva Lau, Ana Cristina Santos, António Sarmento, Jorge Pereira, Davide Carvalho, Paula Freitas
In HIV-infected patients, combined antiretroviral therapy (cART) is associated to adipose tissue redistribution known as lipodystrophy and associated cardiometabolic risk. This study aimed to evaluate the evolution of body composition in HIV-infected patients, with and without lipodystrophy, over 2 yr. We evaluated anthropometric parameters and body composition by whole-body dual-energy X-ray absorptiometry in 144 HIV-infected patients on cART. We defined lipodystrophy by fat mass ratio. Lipodystrophy was present in 45...
December 27, 2016: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28031015/melatonin-pharmacology-functions-and-therapeutic-benefits
#18
Sylvie Tordjman, Sylvie Chokron, Richard Delorme, Annaëlle Charrier, Eric Bellissant, Nemat Jaafari, Claire Fougerou
Melatonin synchronizes central but also peripheral oscillators (fetal adrenal gland, pancreas, liver, kidney, heart, lung, fat, gut, etc.), allowing temporal organization of biological functions through circadian rhythms in relation to periodic environmental changes and therefore adaptation of the individual to his/her internal and external environment. Measures of melatonin are considered the best peripheral indices of human circadian timing. First, the pharmacology of melatonin (biosynthesis and circadian rhythms, pharmacokinetics and mechanisms of action) is described, allowing a better understanding of the short and long term effects of melatonin following its immediate or prolonged release...
December 28, 2016: Current Neuropharmacology
https://www.readbyqxmd.com/read/28026829/retinol-binding-protein-4-rbp4-as-the-causative-factor-and-marker-of-vascular-injury-related-to-insulin-resistance
#19
Marcin Majerczyk, Magdalena Olszanecka-Glinianowicz, Monika Puzianowska-Kuźnicka, Jerzy Chudek
One of adipokines involved in the development of insulin resistance is retinol-binding protein 4(RBP4). The physiological role of RBP4 is transport of retinol from the liver to peripheral tissues. One of the first events related to the excessive visceral fat accumulation is the development of inflammation followed by hormonal adipose tissue dysfunction, including excessive RBP4 production. Reduced density of the membrane-type glucose transporter 4 (GLUT4) is considered as a direct cause for the stimulation of RBP4 release to the circulation by adipocytes...
December 21, 2016: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28025863/anorexia-cachexia-syndrome-in-hepatoma-tumour-bearing-rats-requires-the-area-postrema-but-not-vagal-afferents-and-is-paralleled-by-increased-mic-1-gdf15
#20
Tito Borner, Myrtha Arnold, Johan Ruud, Samuel N Breit, Wolfgang Langhans, Thomas A Lutz, Anders Blomqvist, Thomas Riediger
BACKGROUND: The cancer-anorexia-cachexia syndrome (CACS) negatively affects survival and therapy success in cancer patients. Inflammatory mediators and tumour-derived factors are thought to play an important role in the aetiology of CACS. However, the central and peripheral mechanisms contributing to CACS are insufficiently understood. The area postrema (AP) and the nucleus tractus solitarii are two important brainstem centres for the control of eating during acute sickness conditions...
December 26, 2016: Journal of Cachexia, Sarcopenia and Muscle
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