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https://www.readbyqxmd.com/read/27905878/genomic-prediction-using-preselected-dna-variants-from-a-gwas-with-whole-genome-sequence-data-in-holstein-friesian-cattle
#1
Roel F Veerkamp, Aniek C Bouwman, Chris Schrooten, Mario P L Calus
BACKGROUND: Whole-genome sequence data is expected to capture genetic variation more completely than common genotyping panels. Our objective was to compare the proportion of variance explained and the accuracy of genomic prediction by using imputed sequence data or preselected SNPs from a genome-wide association study (GWAS) with imputed whole-genome sequence data. METHODS: Phenotypes were available for 5503 Holstein-Friesian bulls. Genotypes were imputed up to whole-genome sequence (13,789,029 segregating DNA variants) by using run 4 of the 1000 bull genomes project...
December 1, 2016: Genetics, Selection, Evolution: GSE
https://www.readbyqxmd.com/read/27903833/meal-distribution-of-dietary-protein-and-leucine-influences-long-term-muscle-mass-and-body-composition-in-adult-rats
#2
Layne E Norton, Gabriel J Wilson, Christopher J Moulton, Donald K Layman
BACKGROUND: Protein quantity and quality at a meal affect muscle protein synthesis (MPS); however, long-term effects of protein distribution at individual meals on adult muscle mass remain unknown. OBJECTIVE: We used a precise feeding protocol in adult rats to determine if optimizing postmeal MPS response by modifying the meal distribution of protein, and the amino acid leucine (Leu), would affect muscle mass. METHODS: Two studies were conducted with the use of male Sprague-Dawley rats (∼300 g) trained to consume 3 meals/d, then assigned to diet treatments with identical macronutrient contents (16% of energy from protein, 54% from carbohydrates, and 30% from fat) but differing in protein quality or meal distribution...
November 30, 2016: Journal of Nutrition
https://www.readbyqxmd.com/read/27901267/binge-alcohol-intake-after-hypergravity-stress-sustainably-decreases-ampk-and-transcription-factors-necessary-for-hepatocyte-survival
#3
Sang Gil Lee, Hong Min Wu, Chan Gyu Lee, Choong Sik Oh, So Won Chung, Sang Geon Kim
BACKGROUND: Binge alcohol consumption elicits mitochondrial dysfunction in hepatocytes. An understanding of the effect of ethanol (EtOH) exposure after hypergravity stress on liver function may assist in the implementation of pathophysiological countermeasures for aerospace missions. This study investigated whether a combination of hypergravity stress and binge alcohol intake has a detrimental effect on AMP-activated protein kinase (AMPK) and other molecules necessary for hepatocyte survival...
November 30, 2016: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/27899900/fiber-type-specific-satellite-cell-content-in-cyclists-following-heavy-training-with-carbohydrate-and-carbohydrate-protein-supplementation
#4
Alec I McKenzie, Andrew C D'Lugos, Michael J Saunders, Keith D Gworek, Nicholas D Luden
The central purpose of this study was to evaluate the fiber type-specific satellite cell and myonuclear responses of endurance-trained cyclists to a block of intensified training, when supplementing with carbohydrate (CHO) vs. carbohydrate-protein (PRO). In a crossover design, endurance-trained cyclists (n = 8) performed two consecutive training periods, once supplementing with CHO (de facto "control" condition) and the other with PRO. Each training period consisted of 10 days of intensified cycle training (ICT-120% increase in average training duration) followed by 10 days of recovery (RVT-reduced volume training; 33% volume reduction vs...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27898872/the-effect-of-oxidative-stress-during-exercise-in-the-horse
#5
C A Williams
Oxidative stress is an imbalance of the oxidant-to-antioxidant ratio in the body. Increases in oxidative stress and changes in antioxidant status have been shown during endurance and intense exercise and eventing competition in horses. Antioxidants include vitamins, minerals, enzymes, and proteins that must be synthesized in the body or obtained from the diet. Therefore, exercise level and diet are both factors that play a role in influencing the oxidative stress and antioxidant status of the equine athlete...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898810/genomic-selection-for-processing-and-end-use-quality-traits-in-the-cimmyt-spring-bread-wheat-breeding-program
#6
Sarah D Battenfield, Carlos Guzmán, R Chris Gaynor, Ravi P Singh, Roberto J Peña, Susanne Dreisigacker, Allan K Fritz, Jesse A Poland
Wheat ( L.) cultivars must possess suitable end-use quality for release and consumer acceptability. However, breeding for quality traits is often considered a secondary target relative to yield largely because of amount of seed needed and expense. Without testing and selection, many undesirable materials are advanced, expending additional resources. Here, we develop and validate whole-genome prediction models for end-use quality phenotypes in the CIMMYT bread wheat breeding program. Model accuracy was tested using forward prediction on breeding lines ( = 5520) tested in unbalanced yield trials from 2009 to 2015 at Ciudad Obregon, Sonora, Mexico...
July 2016: Plant Genome
https://www.readbyqxmd.com/read/27898642/manipulation-of-muscle-creatine-and-glycogen-changes-dxa-estimates-of-body-composition
#7
Julia L Bone, Megan L Ross, Kristyen A Tomcik, Nikki A Jeacocke, Will G Hopkins, Louise M Burke
: Standardising a dual x-ray absorptiometry (DXA) protocol is thought to provide a reliable measurement of body composition. PURPOSE: We investigated the effects of manipulating muscle glycogen and creatine content independently and additively on DXA estimates of lean mass. METHOD: Eighteen well-trained male cyclists undertook a parallel group application of creatine loading (n=9) (20 g/d for 5 d loading; 3 g/d maintenance) or placebo (n=9) with crossover application of glycogen loading (12 v 6 g/kg BM/d for 48 h) as part of a larger study involving a glycogen-depleting exercise protocol...
November 28, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27897989/periodization-of-carbohydrate-intake-short-term-effect-on-performance
#8
Laurie-Anne Marquet, Christophe Hausswirth, Odeline Molle, John A Hawley, Louise M Burke, Eve Tiollier, Jeanick Brisswalter
BACKGROUND: "Sleep-low" consists of a sequential periodization of carbohydrate (CHO) availability-low glycogen recovery after "train high" glycogen-depleting interval training, followed by an overnight-fast and light intensity training ("train low") the following day. This strategy leads to an upregulation of several exercise-responsive signaling proteins, but the chronic effect on performance has received less attention. We investigated the effects of short-term exposure to this strategy on endurance performance...
November 25, 2016: Nutrients
https://www.readbyqxmd.com/read/27897419/exercise-restores-muscle-stem-cell-mobilization-regenerative-capacity-and-muscle-metabolic-alterations-via-adiponectin-adipor1-activation-in-samp10-mice
#9
Aiko Inoue, Xian Wu Cheng, Zhe Huang, Lina Hu, Ryosuke Kikuchi, Haiying Jiang, Limei Piao, Takeshi Sasaki, Kohji Itakura, Hongxian Wu, Guangxian Zhao, Yanna Lei, Guang Yang, Enbo Zhu, Xiang Li, Kohji Sato, Teruhiko Koike, Masafumi Kuzuya
BACKGROUND: Exercise train (ET) stimulates muscle response in pathological conditions, including aging. The molecular mechanisms by which exercise improves impaired adiponectin/adiponectin receptor 1 (AdipoR1)-related muscle actions associated with aging are poorly understood. Here we observed that in a senescence-accelerated mouse prone 10 (SAMP10) model, long-term ET modulated muscle-regenerative actions. METHODS: 25-week-old male SAMP10 mice were randomly assigned to the control and the ET (45 min/time, 3/week) groups for 4 months...
November 29, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27896960/on-the-power-and-limits-of-sequence-similarity-based-clustering-of-proteins-into-families
#10
Christian Wiwie, Richard Röttger
Over the last decades, we have observed an ongoing tremendous growth of available sequencing data fueled by the advancements in wet-lab technology. The sequencing information is only the beginning of the actual understanding of how organisms survive and prosper. It is, for instance, equally important to also unravel the proteomic repertoire of an organism. A classical computational approach for detecting protein families is a sequence-based similarity calculation coupled with a subsequent cluster analysis. In this work we have intensively analyzed various clustering tools on a large scale...
2016: Pacific Symposium on Biocomputing
https://www.readbyqxmd.com/read/27896236/the-effect-of-bcaa-and-iso-whey-oral-nutritional-supplements-on-dialysis-adequacy
#11
Effat Afaghi, Ali Tayebi, Abbas Ebadi, Vahid Sobhani, Behzad Einollahi, Mehdi Tayebi
BACKGROUND: Protein-energy malnutrition is a common problem in hemodialysis patients and has different outcomes such as reduced quality of life, longer hospitalization time, lower dialysis adequacy, and higher mortality rate. Investigation of dialysis adequacy is an important method for assessing hemodialysis patients, and improving the dialysis adequacy is an important healthcare team goal. OBJECTIVES: The present study aims to investigate and compare the effects of BCAA and ISO-WHEY oral nutritional supplements on dialysis adequacy...
November 2016: Nephro-urology Monthly
https://www.readbyqxmd.com/read/27895719/drabal-novel-method-to-mine-large-high-throughput-screening-assays-using-bayesian-active-learning
#12
Othman Soufan, Wail Ba-Alawi, Moataz Afeef, Magbubah Essack, Panos Kalnis, Vladimir B Bajic
BACKGROUND: Mining high-throughput screening (HTS) assays is key for enhancing decisions in the area of drug repositioning and drug discovery. However, many challenges are encountered in the process of developing suitable and accurate methods for extracting useful information from these assays. Virtual screening and a wide variety of databases, methods and solutions proposed to-date, did not completely overcome these challenges. This study is based on a multi-label classification (MLC) technique for modeling correlations between several HTS assays, meaning that a single prediction represents a subset of assigned correlated labels instead of one label...
2016: Journal of Cheminformatics
https://www.readbyqxmd.com/read/27895542/effect-of-tart-cherry-juice-on-recovery-and-next-day-performance-in-well-trained-water-polo-players
#13
Rachel McCormick, Peter Peeling, Martyn Binnie, Brian Dawson, Marc Sim
BACKGROUND: Tart Montmorency cherries contain high concentrations of phytochemicals and anthocyanins, which have recently been linked to improved athletic recovery and subsequent performance. To date however, previous work reporting promising results has focused on land-based endurance sports, with any potential benefits to team sports remaining unknown. As such, this investigation set-out to examine the effect of supplemental tart cherry juice (CJ) on recovery and next day athletic performance in highly-trained water-based team sport athletes over seven days...
2016: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/27895531/follicular-fluid-biomarkers-for-human-in-vitro-fertilization-outcome-proof-of-principle
#14
Fang Chen, Carl Spiessens, Thomas D'Hooghe, Karen Peeraer, Sebastien Carpentier
BACKGROUND: Human follicular fluid (FF) is a unique biological fluid in which the oocyte develops in vivo, and presents an optimal source for non-invasive biochemical predictors. Oocyte quality directly influences the embryo development and hence, may be used as a predictor of embryo quality. Peptide profiling of FF and its potential use as a biomarker for oocyte quality has never been reported. METHODS: This study screened FF for peptide biomarkers that predict the outcome of in vitro fertilization (IVF)...
2016: Proteome Science
https://www.readbyqxmd.com/read/27893563/resistance-training-improves-muscle-function-and-cardiometabolic-risks-but-not-quality-of-life-in-older-people-with-type-2-diabetes-mellitus-a-randomized-controlled-trial
#15
Ping-Lun Hsieh, Chin-Hsiao Tseng, Yufeng Jane Tseng, Wei-Shiung Yang
BACKGROUND AND PURPOSE: In older people with type 2 diabetes mellitus (T2DM), the effects of aging and T2DM may compromise the function of skeletal muscle, deteriorate metabolic status, and jeopardize physical performance, aerobic capacity, and quality of life (QoL). The purpose of this study was to investigate the effects of 12 weeks of resistance training (RT) on muscle function, physical performance, cardiometabolic risks, and QoL in older people with T2DM. METHODS: This study was a randomized controlled trial that employed block randomization, assessor blinding, and the intention-to-treat principle...
November 23, 2016: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/27893398/probabilistic-inference-on-multiple-normalized-genome-wide-signal-profiles-with-model-regularization
#16
Ka-Chun Wong, Chengbin Peng, Shankai Yan, Cheng Liang
Understanding genome-wide protein-DNA interactions forms the basis for further focused studies. In particular, the chromatin immunoprecipitation (ChIP) with sequencing (ChIPSeq) technology can enable us to measure the genome-wide occupancy of DNA-binding protein of interest in vivo. Multiple ChIP-Seq runs thus inherent the potential for us to decipher the combinatorial interactions among multiple DNA-binding proteins. To handle those multiple genome-wide runs, we propose to integrate regularized regression functions (i...
November 21, 2016: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/27889934/vascular-cell-transcriptomic-changes-to-exercise-training-differ-directionally-along-and-between-skeletal-muscle-arteriolar-trees
#17
M Harold Laughlin, Hsiao T Yang, Darla L Tharp, R Scott Rector, Jaume Padilla, Douglas K Bowles
EXT-induced arteriolar adaptations in skeletal muscle are heterogeneous because of spatial variations in muscle fiber type composition and fiber recruitment patterns during exercise. The purpose of this report is to summarize a series of experiments conducted to test the hypothesis that changes in vascular gene expression are signaled by alterations in shear stress resulting from increases in blood flow, muscle fiber type composition and fiber recruitment patterns. We also report results from a follow-up study of Ankrd23, one gene whose expression was changed by EXT...
November 27, 2016: Microcirculation: the Official Journal of the Microcirculatory Society, Inc
https://www.readbyqxmd.com/read/27889621/identifying-non-toxic-doses-of-manganese-for-manganese-enhanced-magnetic-resonance-imaging-to-map-brain-areas-activated-by-operant-behavior-in-trained-rats
#18
Rita Gálosi, Csaba Szalay, Mihály Aradi, Gábor Perlaki, József Pál, Roy Steier, László Lénárd, Zoltán Karádi
Manganese-enhanced magnetic resonance imaging (MEMRI) offers unique advantages such as studying brain activation in freely moving rats, but its usefulness has not been previously evaluated during operant behavior training. Manganese in a form of MnCl2, at a dose of 20mg/kg, was intraperitoneally infused. The administration was repeated and separated by 24h to reach the dose of 40mg/kg or 60mg/kg, respectively. Hepatotoxicity of the MnCl2 was evaluated by determining serum aspartate aminotransferase, alanine aminotransferase, total bilirubin, albumin and protein levels...
November 23, 2016: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/27884511/effects-of-previous-physical-training-on-adriamycin-nephropathy-and-its-relationship-with-endothelial-lesions-and-angiogenesis-in-the-renal-cortex
#19
Camila M Faleiros, Heloisa Francescato, Marcelo Papoti, Lucas Chaves, Cleonice Silva, Roberto Costa, Terezila Machado Coimbra
AIMS: Adriamycin (ADR)-induced nephropathy is one of the most experimental models used in progressive kidney disease. A single dose of this drug induces a progressive and irreversible proteinuria that progresses to focal segmental glomerulosclerosis and tubulointerstitial lesions. Regular physical activity has been considered as a therapeutic intervention in several diseases. This study evaluated the influence of previous physical training in renal damage induced by ADR and the role of endothelial lesions and angiogenesis in this process...
November 21, 2016: Life Sciences
https://www.readbyqxmd.com/read/27881782/consolidation-of-goal-directed-action-depends-on-mapk-erk-signaling-in-rodent-prelimbic-cortex
#20
Genevra Hart, Bernard W Balleine
: The prelimbic prefrontal cortex (PL) has consistently been found to be necessary for the acquisition of goal-directed actions in rodents. Nevertheless, the specific cellular processes underlying this learning remain unknown. We assessed changes in learning-related expression of mitogen-activated protein kinase/extracellular signal-related kinase (MAPK/ERK1/2) phosphorylation (pERK) in layers 2-3 and 5-6 of the anterior and posterior PL and in the population of neurons projecting to posterior dorsomedial striatum (pDMS), also implicated in goal-directed learning...
November 23, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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