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Ling Xue, Nick Holford, Xiao-Liang Ding, Zhen-Ya Shen, Chen-Rong Huang, Hua Zhang, Jing-Jing Zhang, Zhe-Ning Guo, Cheng Xie, Ling Zhou, Zhi-Yao Chen, Lin-Sheng Liu, Li-Yan Miao
AIMS: The aims of this study are to apply a theory based mechanistic model to describe the pharmacokinetics (PK) and pharmacodynamics (PD) of S- and R-warfarin. METHODS: Clinical data were obtained from 264 patients. Total concentrations for S- and R-warfarin were measured by ultra-high performance liquid tandem mass spectrometry. Genotypes were measured using pyrosequencing. A sequential population pharmacokinetic parameter with data method was used to describe the international normalized ratio (INR) time course...
October 20, 2016: British Journal of Clinical Pharmacology
Ru-Yue Xiao, Junjun Hao, Yi-Hong Ding, Yan-Yun Che, Xiao-Ju Zou, Bin Liang
Due to misbalanced energy surplus and expenditure, obesity has become a common chronic disorder that is highly associated with many metabolic diseases. Pu-erh tea, a traditional Chinese beverage, has been believed to have numerous health benefits, such as anti-obesity. However, the underlying mechanisms of its anti-obesity effect are yet to be understood. Here, we take the advantages of transcriptional profile by RNA sequencing (RNA-Seq) to view the global gene expression of Pu-erh tea. The model organism Caenorhabditis elegans was treated with different concentrations of Pu-erh tea water extract (PTE, 0 g/mL, 0...
October 17, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Carmela Nardelli, Ilaria Granata, Laura Iaffaldano, Valeria D'Argenio, Valentina Del Monaco, Giuseppe Maria Maruotti, Daniela Omodei, Luigi Del Vecchio, Pasquale Martinelli, Francesco Salvatore, Mario Rosario Guarracino, Lucia Sacchetti, Lucio Pastore
Clinical findings and data obtained in animal models indicate that nutrient uptake and exposure to environmental agents during pregnancy may affect fetal/newborn gestational programming thereby resulting in obesity and/or obesity-related disorders in offspring. Human amniotic mesenchymal stem cells (hA-MSCs) differentiate into adipocytes, and are thus a suitable model to investigate adipocyte functions in obesity. The aim of this study was to elucidate the miRNome of hA-MSCs and its contribution to obesity in pregnancy...
October 20, 2016: Stem Cells and Development
Daniel Zysset, Benjamin Weber, Silvia Rihs, Jennifer Brasseit, Stefan Freigang, Carsten Riether, Yara Banz, Adelheid Cerwenka, Cedric Simillion, Pedro Marques-Vidal, Adrian F Ochsenbein, Leslie Saurer, Christoph Mueller
Triggering receptor expressed on myeloid cells-1 (TREM-1) is a potent amplifier of pro-inflammatory innate immune responses, but its significance in non-infectious diseases remains unclear. Here, we demonstrate that TREM-1 promotes cardiovascular disease by exacerbating atherosclerosis. TREM-1 is expressed in advanced human atheromas and is highly upregulated under dyslipidemic conditions on circulating and on lesion-infiltrating myeloid cells in the Apoe(-/-) mouse model. TREM-1 strongly contributes to high-fat, high-cholesterol diet (HFCD)-induced monocytosis and synergizes with HFCD serum-derived factors to promote pro-inflammatory cytokine responses and foam cell formation of human monocyte/macrophages...
October 20, 2016: Nature Communications
FangFang, Hongyan Li, Tingting Qin, Min Li, Shiping Ma
The impaired insulin signaling has been recognized as a common pathogenetic mechanism between diabetes and Alzheimer's disease (AD). In the progression of AD, brain is characterized by defective insulin receptor substrate-1 (IRS-1) and increased oxidative stress. Thymol, a monoterpene phenol isolated from medicinal herbs, has exhibited robust neuroprotective effects. The present study was designed to investigate the protective effect of thymol on HFD-induced cognitive deficits, and explore the possible mechanisms...
October 20, 2016: Metabolic Brain Disease
Yong Xie, Yi Zhang, Zebin Guo, Hongliang Zeng, Baodong Zheng
This study aimed to investigate the effects of total alkaloids from Nelumbinis Plumula (NPA) on insulin resistance (IR) of high-fat diet- (HFD-) induced nonalcoholic fatty liver disease (NAFLD). Rats were fed with HFD for 8 weeks to induce NAFLD. Then, the effect of NPA on ameliorating IR in HFD-induced NAFLD was evaluated. Fasting serum insulin was determined using an enzyme-linked immunosorbent assay (ELISA) kit for insulin following the manufacturer's protocol. Some inflammatory cytokines such as tumor necrosis factor alpha (TNF-α) and interleukin-6 (IL-6) were determined using ELISA kits to assess the inflammatory burden in rats...
2016: Journal of Diabetes Research
Suganya Venkateshan, Vetriselvan Subramaniyan, Velmurugan Chinnasamy, Sarath Chandiran
OBJECTIVE: Dietary changes play major risk roles in oxidative stress and cardiovascular disease and modulate normal metabolic function. The present study was designed to investigate the ameliorative potential of different extracts of Hemidesmus indicus to experimental high-fat diet in wistar rats, and their possible mechanism of action. MATERIALS AND METHODS: Male wistar rats were divided into 6 groups (n=6/group) and fed with a standard diet (control), high-fat diet (HFD), high-fat diet supplemented with different extracts and positive control for 9 weeks...
September 2016: Avicenna Journal of Phytomedicine
Michiyo Deushi, Mizuko Osaka, Kaku Nakano, Kyoichi Osada, Kensuke Egashira, Masayuki Yoshida
Oxidized cholesterol (oxysterols) plays an important and multifaceted role in lipid metabolism. Here we examined whether dietary oxysterols accelerate hepatic lipid accumulation and inflammation in nonhuman primates. We also examined the effect of the Niemann-Pick C1-like1 inhibitor, ezetimibe (Ez). Macaca fascicularis (5-year-old males) were fed either regular cholesterol + high-fat diet (control-HFD) or oxysterols + high-fat diet (ox-HFD; with 0.015% of oxysterols cholesterol) for 24 weeks. Compared with control-HFD, ox-HFD did not affect plasma lipid levels, but it did affect hepatic lipid levels [total cholesterol, 40...
October 2016: FEBS Open Bio
Lee M Margolis, Donato A Rivas, Maria Berrone, Yassine Ezzyat, Andrew J Young, James P McClung, Roger A Fielding, Stefan M Pasiakos
Short-term (5-10 days) calorie restriction (CR) downregulates muscle protein synthesis, with consumption of a high protein-based diet attenuating this decline. Benefit of increase protein intake is believed to be due to maintenance of amino acid-mediated anabolic signaling through the mechanistic target of rapamycin complex 1 (mTORC1), however, there is limited evidence to support this contention. The purpose of this investigation was to determine the effects of prolonged CR and high protein diets on skeletal muscle mTORC1 signaling and expression of associated microRNA (miR)...
2016: Frontiers in Physiology
Sibghatullah Muhammad Ali Sangi
BACKGROUND: Since long high fat diet (HFD) is being blamed for causing fatty degeneration of liver and formation of atheromatous plaques. At present, no proper pharmacotherapy is available for both the conditions. In this study, different substances containing monounsaturated fatty acids were used to observe their protective effects in the HFD induced damage to liver and coronary vessels. OBJECTIVES: To discover effective therapeutic agents for HFD induced fatty degeneration of liver and atheromatous plaques...
July 2016: Pharmacognosy Magazine
Takumi Kageyama, Yuji Ogura, Ikuo Hyodo, Yasushi Yatabe, Norihito Soga
A 69-year-old man was referred to our hospital with the chief complaint of a painless right scrotal swelling gradually increasing in size during the past 10 years. Testicular tumor markers were within the normal range. Ultrasonography showed an intrascrotal homogeneous mass. Computed tomography and magnetic resonance imaging revealed an inguinal mass, which mainly consisted of fat signal area and partially well enhanced in vascular density. Pre-surgical diagnosis was liposarcoma of spermatic cord estimated by radiographic examination and resection of the right intrascrotal tumor with high inguinal orchitectomy was performed...
September 2016: Hinyokika Kiyo. Acta Urologica Japonica
X H Sun, M S Yin, Y L Mu
Objective: To investigate the alterations of mTOR signaling pathway and autophagy in the development of type 2 diabetes and early diabetic cardiomyopathy and to study their roles in pathogenesis of diabetic myocardium. Methods: A type 2 diabetes rat model was established by injection of streptozocin after five-week of high fat diet. The rats were randomly divided into control group, experiment group of 2 weeks and experiment group of 4 weeks. Alterations of mTOR, p-mTOR, S6K1, Beclin-1 and LC3-Ⅱ expression in myocardium were determined by Western blot and immunohistochemistry...
October 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
Aurore Woller, Hélène Duez, Bart Staels, Marc Lefranc
To maintain energy homeostasis despite variable energy supply and consumption along the diurnal cycle, the liver relies on a circadian clock synchronized to food timing. Perturbed feeding and fasting cycles have been associated with clock disruption and metabolic diseases; however, the mechanisms are unclear. To address this question, we have constructed a mathematical model of the mammalian circadian clock, incorporating the metabolic sensors SIRT1 and AMPK. The clock response to various temporal patterns of AMPK activation was simulated numerically, mimicking the effects of a normal diet, fasting, and a high-fat diet...
October 18, 2016: Cell Reports
Max C Petersen, Anila K Madiraju, Brandon M Gassaway, Michael Marcel, Ali R Nasiri, Gina Butrico, Melissa J Marcucci, Dongyan Zhang, Abudukadier Abulizi, Xian-Man Zhang, William Philbrick, Stevan R Hubbard, Michael J Jurczak, Varman T Samuel, Jesse Rinehart, Gerald I Shulman
Nonalcoholic fatty liver disease (NAFLD) is a risk factor for type 2 diabetes (T2D), but whether NAFLD plays a causal role in the pathogenesis of T2D is uncertain. One proposed mechanism linking NAFLD to hepatic insulin resistance involves diacylglycerol-mediated (DAG-mediated) activation of protein kinase C-ε (PKCε) and the consequent inhibition of insulin receptor (INSR) kinase activity. However, the molecular mechanism underlying PKCε inhibition of INSR kinase activity is unknown. Here, we used mass spectrometry to identify the phosphorylation site Thr1160 as a PKCε substrate in the functionally critical INSR kinase activation loop...
October 17, 2016: Journal of Clinical Investigation
Mariana Carvalho de Menezes, Lydiane Bragunci Bedeschi, Luana Caroline Dos Santos, Aline Cristine Souza Lopes
INTRODUCTION: The multi-behavioral Transtheoretical Model (TTM) addresses multiple behaviors and it is a promising strategy to control multifactorial morbidities, such as chronic diseases. The results obtained using the TTM are positive, but are not consistently methodical. OBJECTIVES: The aim of this study was to systematically review the effectiveness of the Transtheoretical Model in multi-behavioral interventions for changing eating habits and levels of physical activity...
September 20, 2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
Giselle Souza Pinto, Anelise Fernanda Zanolla, Cristiane Valle Tovo, Catarina Bertaso Andreatta Gottschall, Caroline Buss
INTRODUCTION: Hepatitis C virus (HCV) and human immunodeficiency virus (HIV) coinfection may cause nutrient deficiency and affect the nutritional status.Objetive: To assess nutritional status, and energy and macronutrient intake in HCV/HIV coinfected patients. METHODS: Cross-sectional study on HIV/HCV-coinfected patients treated in a public hospital. Nutritional status was assessed by measurements of weight, height, waist circumference (WC), arm circumference (AC), triceps skinfold thickness (TST), non-dominant hand gripltrength (NDHGS), body mass index (BMI) and mid-upper arm circumference (MUAC)...
October 18, 2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
Fabián Vásquez, Gabriela Salazar, Erik Díaz, Lydia Lera, Alyerina Anziani, Raquel Burrows
INTRODUCTION: Determine body composition changes in adiposity can assess an individual. OBJECTIVE: The objective of this study was to evaluate total body fat percentage based on two and four compartment models in obese Chilean school children, adjusting for differences in sex and puberty status. METHODS: Sixty-one obese school children (33 boys and 28 girls) between 8 and 13 years of age were evaluated. Two compartment measurements of body fat percentage considered isotope dilution, plethysmography, radiographic absorptiometry and bioelectrical impedance; using the four compartment model as a benchmark...
September 20, 2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
Juan Eduardo Samur San-Matín, Ezequiel Moreira Gonçalves, Fabio Bertapelli, Roberto Teixeira Mendes, Gil Guerra-Júnior
INTRODUCTION: Adolescents with Down syndrome (DS) show high rate of overweight and tend to accumulate high amount of fat compared to the same people without the syndrome. OBJECTIVE: To estimate the cutoff point of the Body Mass Index (BMI) for the diagnosis of obesity in adolescents with DS according to different references for BMI in relation to the percentage of body fat (%BF) measured by dual-energy X-ray absorptiometry (DXA). METHODS: The sample was composed of 34 adolescents with DS (aged: 10 to 17 years old)...
September 20, 2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
Hugo Martínez-Rojano, María Luisa Pizano-Zárate, Bernarda Sánchez-Jiménez, Reyna Sámano, Armando López-Portillo
INTRODUCTION: The prevalence of obesity in Mexican children has increased during the last decade, as has the risk of early onset metabolic disorders and cardiovascular disease. OBJECTIVE: To determine the association ofAcantosis nigricans (AN)with dyslipidemia, high blood pressure, body mass index (BMI), and risk factors related to eating behavior in overweight and obese children. PATIENTS AND METHODS: This transverse analytical study, conducted in two Mexico City primary schools, included 300 boys and girls...
September 20, 2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
Le Zhang, Alex Burant, Andrew McCallister, Victor Zhao, Karl M Koshlap, Simone Degan, Michael Antonacci, Rosa Tamara Branca
PURPOSE: To investigate the temperature dependence of the resonance frequency of lipid-dissolved xenon (LDX) and to assess the accuracy of LDX-based MR thermometry. METHODS: The chemical shift temperature dependence of water protons, methylene protons, and LDX was measured from samples containing tissues with varying fat contents using a high-resolution NMR spectrometer. LDX results were then used to acquire relative and absolute temperature maps in vivo and the results were compared with PRF-based MR thermometry...
October 19, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
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