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https://www.readbyqxmd.com/read/28526329/a-behaviour-change-intervention-to-reduce-sedentary-time-in-people-with-chronic-obstructive-pulmonary-disease-protocol-for-a-randomised-controlled-trial
#1
Sonia Wing Mei Cheng, Jennifer Alison, Sarah Dennis, Emmanuel Stamatakis, Lissa Spencer, Renae McNamara, Susan Sims, Zoe McKeough
INTRODUCTION: Replacing sedentary behaviour with light intensity physical activity (ie, activities classified as less than three metabolic equivalents, such as slow-paced walking) may be a more realistic strategy for reducing cardiometabolic risk in people with chronic obstructive pulmonary disease than only aiming to increase levels of moderate-vigorous intensity physical activity. Behaviour change interventions to reduce sedentary behaviour in people with chronic obstructive pulmonary disease have not yet been developed or tested...
May 16, 2017: Journal of Physiotherapy
https://www.readbyqxmd.com/read/28525986/the-lspc3-41i-restriction-modification-system-is-the-major-determinant-for-genetic-manipulations-of-lysinibacillus-sphaericus-c3-41
#2
Pan Fu, Yong Ge, Yiming Wu, Ni Zhao, Zhiming Yuan, Xiaomin Hu
BACKGROUND: Lysinibacillus sphaericus has been widely used in integrated mosquito control program and it is one of the minority bacterial species unable to metabolize carbohydrates. In consideration of the high genetic conservation at genomic level and difficulty of genetic horizontal transfer, it is hypothesized that effective restriction-modification (R-M) systems existed in mosquitocidal L. sphaericus. RESULTS: In this study, six type II R-M systems including LspC3-41I were predicted in L...
May 19, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28525338/different-training-schedules-influence-platelet-aggregation-in-show-jumping-horses
#3
C Giannetto, F Arfuso, F Fazio, E Giudice, S Di Pietro, D Bruschetta, G Piccione
Depending on the intensity, duration and type of physical exercise, equine metabolism has to adapt to nervous, cardiovascular, endocrine and respiratory system requirements. In horses, exercise and training are known to have considerable effects on the mechanisms of hemostatic system involving platelet activity. The aim of the present study was to evaluate the effect of different training schedules on platelet aggregation in 15 Italian Saddle jumping horses. Animals were divided into three equal groups: Group A was subjected to a high intensity-training program; group B to a light training program, group C included sedentary horses...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28524005/rivaroxaban-metabolism-pharmacologic-properties-and-drug-interactions
#4
Tomas Kvasnicka, Ivana Malikova, Zuzana Zenahlikova, Karolína Kettnerova, Radka Brzezkova, Tomas Zima, Jan Ulrych, Jan Briza, Ivan Netuka, Jan Kvasnicka
BACKGROUND: Rivaroxaban represents a selective direct inhibitor of activated coagulation factor X (FXa) having peroral bioavailability and prompt onset of action. OBJECTIVE: The absorbtion of rivaroxaban is quick, reaching maximum plasma concentration 2-4 hours following its administration. Peroral bioavailability is high (80-100 %) and pharmacokinetic variability is considered to be moderate (coefficient of variation 30-40 %). This review discusses the properties, drug interactions, pharmacokinetics and clinical indications of rivaroxaban...
May 18, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28522824/obestatin-controls-skeletal-muscle-fiber-type-determination
#5
Icía Santos-Zas, Tania Cid-Díaz, Jessica González-Sánchez, Uxía Gurriarán-Rodriguez, Carlos Seoane-Mosteiro, Begoña Porteiro, Rubén Nogueiras, Xesús Casabiell, José Luis Relova, Rosalía Gallego, Vincent Mouly, Yolanda Pazos, Jesus P Camiña
Obestatin/GPR39 signaling stimulates skeletal muscle growth and repair by inducing both G-protein-dependent and -independent mechanisms linking the activated GPR39 receptor with distinct sets of accessory and effector proteins. In this work, we describe a new level of activity where obestatin signaling plays a role in the formation, contractile properties and metabolic profile of skeletal muscle through determination of oxidative fiber type. Our data indicate that obestatin regulates Mef2 activity and PGC-1α expression...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522410/a-global-human-health-risk-assessment-for-octamethylcyclotetrasiloxane-d4
#6
Robinan Gentry, Allison Franzen, Cynthia Van Landingham, Tracy Greene, Kathy Plotzke
Octamethylcyclotetrasiloxane (D4) is a low-molecular-weight volatile cyclic siloxane, primarily used as an intermediate in the production of some widely-used industrial and consumer silicone based polymers and may be present as a component in a variety of consumer products. A global "harmonized" risk assessment was conducted to meet requirements for substance-specific risk assessments conducted by regulatory agencies such as USEPA's Integrated Risk Information System (IRIS), Health Canada's Chemical Management Program (CMP) and various independent scientific committees of the European Commission (e...
May 15, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28521758/genome-wide-association-study-for-feed-efficiency-and-growth-traits-in-u-s-beef-cattle
#7
Christopher M Seabury, David L Oldeschulte, Mahdi Saatchi, Jonathan E Beever, Jared E Decker, Yvette A Halley, Eric K Bhattarai, Maral Molaei, Harvey C Freetly, Stephanie L Hansen, Helen Yampara-Iquise, Kristen A Johnson, Monty S Kerley, JaeWoo Kim, Daniel D Loy, Elisa Marques, Holly L Neibergs, Robert D Schnabel, Daniel W Shike, Matthew L Spangler, Robert L Weaber, Dorian J Garrick, Jeremy F Taylor
BACKGROUND: Single nucleotide polymorphism (SNP) arrays for domestic cattle have catalyzed the identification of genetic markers associated with complex traits for inclusion in modern breeding and selection programs. Using actual and imputed Illumina 778K genotypes for 3887 U.S. beef cattle from 3 populations (Angus, Hereford, SimAngus), we performed genome-wide association analyses for feed efficiency and growth traits including average daily gain (ADG), dry matter intake (DMI), mid-test metabolic weight (MMWT), and residual feed intake (RFI), with marker-based heritability estimates produced for all traits and populations...
May 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28521675/chemotherapy-with-si-rna-and-anti-cancer-drugs
#8
Kamaljeet Kaur, Goutam Rath, Saket Chandra, Ranjit Singh, Amit K Goyal
To treat cancer, chemotherapy is a key therapeutic approach which is associated with several limitations. This chemotherapeutical agents exhibit multi drug resistance coupled with undesirable side effects. This multidrug resistance is exhibited by tumor cell due to actuation of drug out flow mechanism, programmed cell death and protection mechanisms etc. One of the therapeutic approaches to cure cancer is RNA interference (RNAi). Small interfering RNA (si-RNA) is considered as a major therapeutic tool used to control expression of a particular gene...
May 18, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/28520864/from-chromatogram-to-analyte-to-metabolite-how-to-pick-horses-for-courses-from-the-massive-web-resources-for-mass-spectral-plant-metabolomics
#9
Leonardo Perez de Souza, Thomas Naake, Takayuki Tohge, Alisdair R Fernie
The grand challenge currently facing metabolomics is the expansion of the coverage of the metabolome from a minor percentage of the metabolic complement of the cell towards the level of coverage afforded by other post-genomic technologies such as transcriptomics and proteomics. In plants this problem is exacerbated by the sheer diversity of chemicals that constitute the metabolome with the number of metabolites in the plant kingdom generally being considered to be in excess of 200 000. In this review we focus on web-resources that can be exploited in order to improve analyte and ultimately metabolite identification and quantification...
May 17, 2017: GigaScience
https://www.readbyqxmd.com/read/28520765/an-integrative-analysis-of-tissue-specific-transcriptomic-and-metabolomic-responses-to-short-term-dietary-methionine-restriction-in-mice
#10
Sujoy Ghosh, Laura A Forney, Desiree Wanders, Kirsten P Stone, Thomas W Gettys
Dietary methionine restriction (MR) produces a coordinated series of transcriptional responses in peripheral tissues that limit fat accretion, remodel lipid metabolism in liver and adipose tissue, and improve overall insulin sensitivity. Hepatic sensing of reduced methionine leads to induction and release of fibroblast growth factor 21 (FGF21), which acts centrally to increase sympathetic tone and activate thermogenesis in adipose tissue. FGF21 also has direct effects in adipose to enhance glucose uptake and oxidation...
2017: PloS One
https://www.readbyqxmd.com/read/28518056/functionally-diverse-human-t-cells-recognize-non-microbial-antigens-presented-by-mr1
#11
Marco Lepore, Artem Kalinichenko, Salvatore Calogero, Pavanish Kumar, Bhairav Paleja, Mathias Schmaler, Vipin Narang, Francesca Zolezzi, Michael Poidinger, Lucia Mori, Gennaro De Libero
MHC class I-related molecule MR1 presents riboflavin- and folate-related metabolites to mucosal-associated invariant T cells, but it is unknown whether MR1 can present alternative antigens to other T cell lineages. In healthy individuals we identified MR1-restricted T cells (named MR1T cells) displaying diverse TCRs and reacting to MR1-expressing cells in the absence of microbial ligands. Analysis of MR1T cell clones revealed specificity for distinct cell-derived antigens and alternative transcriptional strategies for metabolic programming, cell cycle control and functional polarization following antigen stimulation...
May 18, 2017: ELife
https://www.readbyqxmd.com/read/28516284/short-chain-acyl-coa-dehydrogenase-deficiency-from-gene-to-cell-pathology-and-possible-disease-mechanisms
#12
REVIEW
Zahra Nochi, Rikke Katrine Jentoft Olsen, Niels Gregersen
Short-chain acyl-CoA dehydrogenase deficiency (SCADD) is an inherited disorder of mitochondrial fatty acid oxidation that is characterized by the presence of increased butyrylcarnitine and ethylmalonic acid (EMA) concentrations in plasma and urine. Individuals with symptomatic SCADD may show relatively severe phenotype, while the majority of those who are diagnosed through newborn screening by tandem mass spectrometry may remain asymptomatic. As such, the associated clinical symptoms are very diverse, ranging from severe metabolic or neuromuscular disabilities to asymptomatic...
May 17, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28515794/influence-of-a-home-based-exercise-program-on-the-urine-ph-in-elderly-female-subjects-a-secondary-analysis-of-a-randomized-controlled-trial
#13
Yuichiro Nishida, Keitaro Tanaka, Megumi Hara, Noriko Hirao, Hiroaki Tanaka, Takuro Tobina, Masaharu Ikeda, Hiroshi Yamato, Masanori Ohta
BACKGROUND: A low urine pH is a characteristic metabolic feature of metabolic syndrome and type 2 diabetes. The purpose of the current study was to investigate the effects of a 12-week home-based bench step exercise on the urine pH status of elderly female subjects. METHODS: The current study is a secondary analysis of a randomized controlled trial (RCT) in which 59 postmenopausal female subjects were randomized to either the exercise group (n = 29) or the control group (n = 30)...
2017: European Review of Aging and Physical Activity
https://www.readbyqxmd.com/read/28515012/breast-cancer-and-exercise-the-role-of-adiposity-and-immune-markers
#14
REVIEW
Supa Pudkasam, Kathy Tangalakis, Nanthapan Chinlumprasert, Vasso Apostolopoulos, Lily Stojanovska
Currently, breast cancer accounts for a quarter of all cancers and 15% of cancer-specific deaths amongst females. The global occurrence of breast cancer has increased in the last decade whilst the mortality rate has decreased. Exercise can be beneficial to breast cancer patients through changes in adiposity and immune responses. Even though there is some evidence supporting the improvement of fat metabolism and immune function after an exercise program in breast cancer, randomized controlled studies are limited and require further comprehensive analysis in this population group...
May 8, 2017: Maturitas
https://www.readbyqxmd.com/read/28515000/mitochondrial-and-endoplasmic-reticulum-calcium-homeostasis-and-cell-death
#15
REVIEW
Saverio Marchi, Simone Patergnani, Sonia Missiroli, Giampaolo Morciano, Alessandro Rimessi, Mariusz R Wieckowski, Carlotta Giorgi, Paolo Pinton
The endoplasmic reticulum (ER) and mitochondria cannot be considered as static structures, as they intimately communicate, forming very dynamic platforms termed mitochondria-associated membranes (MAMs). In particular, the ER transmits proper Ca(2+) signals to mitochondria, which decode them into specific inputs to regulate essential functions, including metabolism, energy production and apoptosis. Here, we will describe the different molecular players involved in the transfer of Ca(2+) ions from the ER lumen to the mitochondrial matrix and how modifications in both ER-mitochondria contact sites and Ca(2+) signaling can alter the cell death execution program...
May 5, 2017: Cell Calcium
https://www.readbyqxmd.com/read/28514675/metabolic-regulation-of-the-immune-humoral-response
#16
REVIEW
Mark Boothby, Robert C Rickert
Productive humoral responses require that naive B cells and their differentiated progeny move among distinct micro-environments. In this review, we discuss how studies are beginning to address the nature of these niches as well as the interplay between cellular signaling, metabolic programming, and adaptation to the locale. Recent work adds evidence to the expectation that B cells at distinct stages of development or functional subsets are influenced by the altered profiles of nutrients and metabolic by-products that distinguish these sites...
May 16, 2017: Immunity
https://www.readbyqxmd.com/read/28514673/metabolic-and-epigenetic-coordination-of-t-cell-and-macrophage-immunity
#17
REVIEW
Anthony T Phan, Ananda W Goldrath, Christopher K Glass
Recognition of pathogens by innate and adaptive immune cells instructs rapid alterations of cellular processes to promote effective resolution of infection. To accommodate increased bioenergetic and biosynthetic demands, metabolic pathways are harnessed to maximize proliferation and effector molecule production. In parallel, activation initiates context-specific gene-expression programs that drive effector functions and cell fates that correlate with changes in epigenetic landscapes. Many chromatin- and DNA-modifying enzymes make use of substrates and cofactors that are intermediates of metabolic pathways, providing potential cross talk between metabolism and epigenetic regulation of gene expression...
May 16, 2017: Immunity
https://www.readbyqxmd.com/read/28511864/metabolism-and-disposition-of-14-c-methycyclosiloxanes-in-rats
#18
Jeanne Y Domoradzki, Christopher M Sushynski, Jacob M Sushynski, Debra A McNett, Cynthia Van Landingham, Kathleen P Plotzke
Octamethylcyclotetrasiloxane (D4) and decamethylcyclopentasiloxane (D5) are low molecular weight cyclic volatile methyl siloxanes (cVMSs) primarily used as intermediates or monomers in the production of high molecular weight silicone polymers. The use of D4 as a direct ingredient in personal care products has declined significantly over the past 10 years, although it may be present as a residual impurity in a variety of consumer products. D5 is still used as an intentional ingredient in cosmetics, consumer products and in dry cleaning...
May 13, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28511417/effectiveness-of-a-four-week-diet-regimen-exercise-and-psychological-intervention-for-weight-loss
#19
Tobias Weinreich, Hans-Peter Filz, Ursula Gresser, Barbara M Richartz
INTRODUCTION: Obesity is accompanied by restriction in the quality of life and an increased risk of morbidity and mortality. Cardiovascular, orthopedic, and metabolic disorders are among the possible consequences. In the management of obesity, a combination therapy that includes dietary, exercise, and behaviour modules has proven its worth. AIM: To evaluate the effect of weight-associated parameters, circulation associated parameters, glucose metabolism, body composition and life quality changes within a four-week inpatient rehabilitation program...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28508871/non-cell-autonomous-activation-of-il-6-stat3-signaling-mediates-fgf19-driven-hepatocarcinogenesis
#20
Mei Zhou, Hong Yang, R Marc Learned, Hui Tian, Lei Ling
Hepatocellular carcinoma (HCC), a primary malignancy of the liver, is the second leading cause of cancer mortality worldwide. Fibroblast Growth Factor 19 (FGF19) is one of the most frequently amplified genes in HCC patients. Moreover, mice expressing an FGF19 transgene have been shown to develop HCC. However, the downstream signalling pathways that mediate FGF19-dependent tumorigenesis remain to be deciphered. Here we show that FGF19 triggers a previously unsuspected, non-cell-autonomous program to activate STAT3 signalling in hepatocytes through IL-6 produced in the liver microenvironment...
May 16, 2017: Nature Communications
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