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https://www.readbyqxmd.com/read/28535441/enantioselective-metabolism-of-triadimefon-and-its-chiral-metabolite-triadimenol-in-lizards
#1
Qiuxuan Shen, Jitong Li, Peng Xu, Wei Li, Guoqiang Zhuang, Yinghuan Wang
Chinese lizards (Eremias argus) were exposed to separated R-(-)-triadimefon, S-(+)-triadimefon and racemic triadimefon to evaluate enantioselective accumulation of triadimefon. After single oral administration of R-(-)-triadimefon, S-(+)-triadimefon and racemic triadimefon, the time-concentration curves in different tissues were found to be different. Triadimefon enantiomers crossed the blood-brain barrier and brain is a main target organ. The residues of triadimefon enantiomers in fat were highest after 24h indicating that fat was the main tissue of accumulation...
May 20, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28534500/impact-of-fat-mass-and-distribution-on-lipid-turnover-in-human-adipose-tissue
#2
Kirsty L Spalding, Samuel Bernard, Erik Näslund, Mehran Salehpour, Göran Possnert, Lena Appelsved, Keng-Yeh Fu, Kanar Alkass, Henrik Druid, Anders Thorell, Mikael Rydén, Peter Arner
Differences in white adipose tissue (WAT) lipid turnover between the visceral (vWAT) and subcutaneous (sWAT) depots may cause metabolic complications in obesity. Here we compare triglyceride age and, thereby, triglyceride turnover in vWAT and sWAT biopsies from 346 individuals and find that subcutaneous triglyceride age and storage capacity are increased in overweight or obese individuals. Visceral triglyceride age is only increased in excessively obese individuals and associated with a lower lipid removal capacity...
May 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28534200/atrophy-of-calf-muscles-by-unloading-results-in-an-increase-of-tissue-sodium-concentration-and-fat-fraction-decrease-a-23-na-mri-physiology-study
#3
D A Gerlach, K Schopen, P Linz, B Johannes, J Titze, J Zange, J Rittweger
PURPOSE: (23)Na MRI demonstrated increased tissue sodium concentrations in a number of pathologies. Acute atrophy results in muscle fibre volume shrinking that may result in a relative increase of extracellular volume and might affect sodium concentration. Thus, we hypothesized that local unloading of the calf muscles would lead to a decrease in muscle volume and an increase in muscle tissue sodium concentration. METHOD: One lower leg of 12 healthy male subjects was submitted to a 60 day long period of unloading using the Hephaistos orthosis, while the other leg served as control...
May 22, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28534168/father-s-obesity-programs-the-adipose-tissue-in-the-offspring-via-the-local-renin-angiotensin-system-and-mapks-pathways-especially-in-adult-male-mice
#4
Fernanda Ornellas, Isabele Bringhenti, Brenda Akemi N F Mattos, Carlos Alberto Mandarim-de-Lacerda, Marcia Barbosa Aguila
PURPOSE: Studies demonstrated the influence of mother's obesity on offspring. However, the father is also related to programming the future generation. The study aimed to evaluate the effects of father's obesity upon white adipose tissue (WAT) remodeling, resulting in activation of signaling pathways and inflammation in male and female offspring. METHODS: Male C57BL/6 mice received control diet (lean father group; 17% energy from lipids) or high-fat diet (obese father group; 49% energy from lipids) for 8 weeks before mating...
May 22, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28533752/protocatechuic-acid-a-phenolic-from-sansevieria-roxburghiana-leaves-suppresses-diabetic-cardiomyopathy-via-stimulating-glucose-metabolism-ameliorating-oxidative-stress-and-inhibiting-inflammation
#5
Niloy Bhattacharjee, Tarun K Dua, Ritu Khanra, Swarnalata Joardar, Ashis Nandy, Achintya Saha, Vincenzo De Feo, Saikat Dewanjee
Persistent hyperglycemia, impairment of redox status and establishment of inflammatory pathophysiology integrally play important role in the pathogenesis of diabetic cardiomyopathy (DC). Present study examined the therapeutic potential of protocatechuic acid isolated from the Sansevieria roxburghiana rhizomes against DC employing rodent model of type 2 diabetes (T2D). T2D was induced by high fat diet + a low-single dose of streptozotocin (35 mg/kg, i.p.). T2D rats exhibited significantly (p < 0.01) high fasting blood glucose level...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28533326/prostaglandin-e-receptor-subtype-4-regulates-lipid-droplet-size-and-mitochondrial-activity-in-murine-subcutaneous-white-adipose-tissue
#6
Fan Ying, Yin Cai, Yu Cai, Yu Wang, Eva Hoi Ching Tang
The purpose of this study was to investigate whether genetic ablation of prostaglandin E receptor subtype 4 (EP4) affects white adipose tissue (WAT) remodeling mediated by β3-adrenergic stimulation. The selective β3-adrenergic agonist, CL316243 (1 mg/kg/d, i.p.) caused a greater increase in metabolic rate in EP4-knockout mice. CL316243 fragmented the unilocular lipid droplet into multilocular lipid vacuoles and increased mitochondrial biogenesis and its activity. These changes were amplified in mice with EP4 deficiency and were selectively seen in subcutaneous WAT...
May 22, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28533262/acute-and-chronic-changes-in-rat-soleus-muscle-after-high-fat-high-sucrose-diet
#7
Kelsey H Collins, David A Hart, Ian C Smith, Anthony M Issler, Raylene A Reimer, Ruth A Seerattan, Jaqueline L Rios, Walter Herzog
The effects of obesity on different musculoskeletal tissues are not well understood. The glycolytic quadriceps muscles are compromised with obesity, but due to its high oxidative capacity, the soleus muscle may be protected against obesity-induced muscle damage. To determine the time-course relationship between a high-fat/high-sucrose (HFS) metabolic challenge and soleus muscle integrity, defined as intramuscular fat invasion, fibrosis and molecular alterations over six time points. Male Sprague-Dawley rats were fed a HFS diet (n = 64) and killed at serial short-term (3 days, 1 week, 2 weeks, 4 weeks) and long-term (12 weeks, 28 weeks) time points...
May 2017: Physiological Reports
https://www.readbyqxmd.com/read/28533108/hyaluronidase-administered-with-xylazine-tiletamine-zolazepam-into-adipose-tissue-shortens-recovery-from-anesthesia-in-pigs
#8
Shayne P Bisetto, Adriano B Carregaro, André E S Nicolai, Thais F Bressan, William P Leal, Nathalia V Xavier, Diego F Leal, André F C Andrade
OBJECTIVE: To evaluate the effect of hyaluronidase on uptake, duration and speed of elimination of xylazine-tiletamine-zolazepam administered in the subcutaneous fat over the dorsal lumbar region of swine. STUDY DESIGN: Blinded, randomized, crossover study. ANIMALS: Six healthy Landrace/Large White pigs weighing 132±24 kg (mean±standard deviation). METHODS: Animals were administered xylazine (1 mg kg(-1)) and tiletamine-zolazepam (8 mg kg(-1)) (control treatment, CON), or xylazine-tiletamine-zolazepam at the same doses with hyaluronidase (400 IU) (treatment HYA)...
January 11, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28532220/the-adipokine-tartrate-resistant-acid-phosphatase-5a-in-serum-correlates-to-adipose-tissue-expansion-in-obesity
#9
Christina Patlaka, Laia Mira Pascual, Staffan Paulie, Anni-Frid Henriksson, Peter Arner, Pernilla Lång, Göran Andersson
PURPOSE: Tartrate resistant acid phosphatase (TRAP) exists as two isoforms, 5a and 5b. TRAP 5a is elevated in adipose tissue of obese women, interacts with pre-adipocytes and is linked to insulin-sensitive hyperplastic obesity when overexpressed in mice. The aim of this study was to investigate the relation between serum TRAP 5a, adiposity indices and metabolic syndrome risk markers in lean and obese women, using a newly developed TRAP 5a-specific ELISA. MATERIALS AND METHODS: A TRAP 5a sandwich ELISA was optimized using TRAP 5a-specific monoclonal antibodies and tested in sera of healthy males...
May 22, 2017: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/28531807/high-post-natal-mortality-associated-with-defects-in-lung-maturation-and-reduced-adiposity-in-mice-with-gestational-exposure-to-high-fat-and-n-acetylcysteine
#10
Lyda Williams, Maureen J Charron, Rani S Sellers
Studies have demonstrated that maternal consumption of a high fat diet (HFD) increases offspring susceptibility to metabolic disease. This study was initiated to identify the mechanistic contribution of oxidative stress on this phenomenon. Two weeks prior to mating, dams were fed either HFD or Control diet with or without supplementation with the anti-oxidant N-acetylcysteine (NAC). Pups born to HFD dams had reduced crown rump length (CRL) at birth and higher neonatal mortality compared to pups from Control dams...
May 14, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28531568/macronutrient-and-alcohol-intake-is-associated-with-intermuscular-adipose-tissue-in-a-randomly-selected-group-of-younger-and-older-men-and-women
#11
Kajsa Sjöholm, Lena Gripeteg, Ingrid Larsson
BACKGROUND: Alcohol and macronutrient intake have been found to be related to general and central body fat distribution. Intermuscular adipose tissue (IMAT) is a small ectopic fat depot located within the muscle bundles. IMAT is important for muscle function, mobility and energy homeostasis and also associated with cardiovascular- and diabetes-related risk factors. AIM: To test the hypothesis that macronutrient and alcohol intake is associated with IMAT. METHODS: 50 men and 50 women, randomly selected from the general population formed height- and weight-representative age groups of 50 younger (27-31 years) and 50 older (57-61 years) subjects...
June 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28531567/impact-of-body-composition-parameters-on-clinical-outcomes-in-patients-with-metastatic-castrate-resistant-prostate-cancer-treated-with-docetaxel
#12
Samantha J Cushen, Derek G Power, Kevin P Murphy, Ray McDermott, Brendan T Griffin, Marvin Lim, Louise Daly, Peter MacEneaney, Kathleen O' Sullivan, Carla M Prado, Aoife M Ryan
BACKGROUND: Body composition may influence clinical outcomes of certain chemotherapeutic agents. We examined the prognostic significance of skeletal muscle mass and adipose tissue on docetaxel toxicity and overall survival in patients with metastatic castrate resistant prostate cancer (mCRPC). METHODS: A retrospective review of patients medical records with mCRPC, treated with docetaxel was conducted. Body composition parameters (skeletal muscle mass, muscle attenuation [MA], visceral and subcutaneous adipose tissue) were measured at L3 by computed tomography (CT) and defined using previously established cut points...
June 2016: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/28530517/contributions-of-body-composition-characteristics-to-critical-power-and-anaerobic-work-capacity
#13
M Travis Byrd, Jonathan Robert Switalla, Joel E Eastman, Brian J Wallace, Jody L Clasey, Haley C Bergstrom
Critical power (CP) and anaerobic work capacity (AWC) from the CP test represent distinct parameters related to metabolic characteristics of the whole body and active muscle tissue, respectively. PURPOSE: This study examined the contribution of whole body composition characteristics and local lean mass to further elucidate the differences in metabolic characteristics between CP and AWC as they relate to whole body and local factors. METHODS: Fifteen, anaerobically trained males were assessed for whole body (% body fat [%BF] and mineral-free, lean mass [LBM]) and local mineral-free thigh lean mass (TLM) composition characteristic...
May 22, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28529818/high-protein-fish-oil-diet-prevents-hepatic-steatosis-in-noncnzo10-mice-association-with-diet-genetics-regulated-micro-rnas
#14
Nikhil Adi, Jennipher Adi, Roberta Marques Lassance-Soares, Paul Kurlansky, Hong Yu, Keith A Webster
OBJECTIVE: NONcNZO10 (NZ10) mice are predisposed to obesity and develop type 2 diabetes (T2D) and hepatic steatosis even when maintained on a control diet (CD) of 6% fat. Studies were designed to determine whether this extreme susceptibility phenotype could be alleviated by diet and if so the molecular targets of diet. METHODS: NZ10 and SWR/J (SWR) control mice were fed a CD or a test diet of high protein and fish oil (HPO) for 19 weeks and then analyzed for steatosis, blood chemistry, hepatic gene and micro-RNA expression...
June 2016: Journal of Diabetes & Metabolism
https://www.readbyqxmd.com/read/28529330/dietary-medium-chain-saturated-fatty-acids-induce-gene-expression-of-energy-metabolism-related-pathways-in-adipose-tissue-of-abdominally-obese-subjects
#15
J C Matualatupauw, M Bohl, S Gregersen, K Hermansen, L A Afman
BACKGROUND: Dietary medium-chain saturated fatty acids (MC-SFAs) have been shown to reduce total body fat. Previously, we showed that MC-SFAs prevent body fat accumulation, despite weight gain. Here, we aim to explore potential molecular mechanisms underlying the protective effect of MC-SFAs on body fat gain. METHODS: The DairyHealth study examined the long-term effects of milk protein and milk fat with a low or high content of MC-SFA. In this 12 week, randomized, double-blind, diet intervention study, participants consumed 60 g milk protein (whey or casein) and 63 g milk fat (high MC-SFA or low MC-SFA) daily in a 2 by 2 factorial design...
May 22, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28529328/perivascular-adipose-tissue-epiphenomenon-or-local-risk-factor
#16
REVIEW
K Schäfer, I Drosos, S Konstantinides
Obesity is associated with an increased cardiovascular risk, but the mechanisms underlying the link between increased body weight and vascular disease are incompletely understood. Over the past 15 years, perivascular adipose tissue has emerged as active component of the vessel wall involved in vascular homeostasis. However, perivascular adipose tissue can adopt detrimental properties under the influence of obesity and other factors and contribute actively to the pathophysiology of cardiovascular disease. Conversely, changes of the vessel wall may negatively affect perivascular adipose tissue qualities...
May 22, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28529127/antioxidant-peroxiredoxin-3-expression-is-regulated-by-17beta-estradiol-in-rat-white-adipose-tissue
#17
Marco Bauza-Thorbrügge, M Bel Galmés-Pascual, Miquel Sbert-Roig, J Francisco García-Palmer, Magdalena Gianotti, M Ana Proenza, Isabel Lladó
Peroxiredoxin 3 (PRX3) plays a role as a regulator of the adipocyte mitochondrial function due to its antioxidant activity. We have previously reported the existence of a sexual dimorphism in the mitochondrial oxidative stress status of many rat tissues such as white (WAT) and brown (BAT) adipose tissues. The aim was to elucidate whether sex hormones may play a role in PRX3 expression in the adipose tissues of rats. In in vivo experiments, male and female standard diet fed rats, high fat diet (HFD) fed rats and rosiglitazone-supplemented HFD (HDF+Rsg) fed rats, as well as ovariectomized (OVX) and 17beta-estradiol-supplemented OVX (OVX+E2) female rats were used...
May 18, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28528793/comparison-of-dual-energy-x-ray-absorptiometry-and-bioimpedance-in-assessing-body-composition-and-nutrition-in-peritoneal-dialysis-patients
#18
Velena Popovic, Bo Zerahn, James Goya Heaf
OBJECTIVE: Peritoneal dialysis (PD) patients are characterized by protein malnutrition and muscle wasting. Reliable, easy, and cheap methods for evaluating nutrition are desirable. Three methods are commonly available: dual-energy X-ray absorptiometry (DXA), bioimpedance (BI), and subjective global assessment (SGA).The objective of the study was to compare the previously mentioned methods for assessment of body composition and nutritional status in PD patients. DESIGN: The study is cross-sectional and consisted of 72 PD patients from a single center PD ambulatorium...
May 18, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/28528595/implications-of-white-striping-and-spaghetti-meat-abnormalities-on-meat-quality-and-histological-features-in-broilers
#19
G Baldi, F Soglia, M Mazzoni, F Sirri, L Canonico, E Babini, L Laghi, C Cavani, M Petracci
During the past few years, there has been an increasing prevalence of broiler breast muscle abnormalities, such as white striping (WS) and wooden breast conditions. More recently, a new muscular abnormality termed as spaghetti meat (SM) because of the altered structural integrity of the Pectoralis major muscle often associated with WS has emerged. Thus, this study aimed at evaluating the effects of WS and SM conditions, occurring alone or combined within the same P. major muscle, on meat quality traits and muscle histology...
May 22, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28528404/a-direct-comparison-of-the-effects-of-the-antiretroviral-drugs-stavudine-tenofovir-and-the-combination-lopinavir-ritonavir-on-bone-metabolism-in-a-rat-model
#20
M M Conradie, M van de Vyver, E Andrag, M Conradie, W F Ferris
Antiretroviral (ARV) treatment may induce metabolic complications in HIV patients on long-term therapy that can affect bone health. In this study, the effects of the ARVs Stavudine (d4T), Tenofovir (TDF) and Lopinavir/ritonavir (LPV/r) on bone metabolism and lipodystrophy were directly compared in rats to negate the consequences of HIV-associated confounding factors. Healthy 12-14-week-old male Wistar rats (n = 40) were divided into four treatment groups and received an oral animal equivalent dose of either Stavudine (6...
May 20, 2017: Calcified Tissue International
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