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https://www.readbyqxmd.com/read/28648027/-sirt1-signaling-pathway-mediated-the-protective-effects-on-myocardium-of-rats-after-endurance-training-and-acute-exhaustive-exercise
#1
X Y Li, X Han, H M Zhang, H Tan, S F Han
Objective: To detect the expression of SIRT1 and Ac-FOXO1 in rats after endurance training and acute exhaustive exercise, and explicit the myocardial protective effect of SIRT1. Methods: Rats were randomly divided into four groups: control group(n=20), exhaustive exercise group (E group, n=20), exhaustive exercise group + endurance training (TE group, n=18), exhaustive exercise group + endurance training + selective SIRT1 inhibitor (TSE group, n=17). The Control and E groups were fed routinely for 5 weeks. The TE and TSE groups were subjected to swimming exercise for 5 weeks for endurance exercising...
June 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28647595/intermittent-hypoxia-caused-cognitive-dysfunction-relate-to-mirnas-dysregulation-in-hippocampus
#2
Huabin Gao, Zhaoli Han, Shan Huang, Ruojing Bai, Xintong Ge, Fanglian Chen, Ping Lei
Intermittent hypoxia (IH) is a characteristic pathophysiological change of obstructive sleep apnea (OSA), a commonly diagnosed chronic sleep disorder. With the process of OSA, patients will suffer from the nervous system damage and appear to multiple cognitive dysfunction. The mechanism that how IH causes cognitive impairment is still unknown. Both control and experimental rats were placed in conditions absence and presence of intermittent hypoxia (IH) for 8h a day for a week, two weeks and four weeks, and then followed by behavioral assessments with Morris Water Maze (MWM) test...
June 21, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28647337/comparison-of-bayesian-regression-models-and-partial-least-squares-regression-for-the-development-of-infrared-prediction-equations
#3
V Bonfatti, F Tiezzi, F Miglior, P Carnier
The objective of this study was to compare the prediction accuracy of 92 infrared prediction equations obtained by different statistical approaches. The predicted traits included fatty acid composition (n = 1,040); detailed protein composition (n = 1,137); lactoferrin (n = 558); pH and coagulation properties (n = 1,296); curd yield and composition obtained by a micro-cheese making procedure (n = 1,177); and Ca, P, Mg, and K contents (n = 689). The statistical methods used to develop the prediction equations were partial least squares regression (PLSR), Bayesian ridge regression, Bayes A, Bayes B, Bayes C, and Bayesian least absolute shrinkage and selection operator...
June 21, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28642810/association-of-the-composite-inflammatory-biomarker-glyca-with-exercise-induced-changes-in-body-habitus-in-men-and-women-with-prediabetes
#4
David B Bartlett, Cris A Slentz, Margery A Connelly, Lucy W Piner, Leslie H Willis, Lori A Bateman, Esther O Granville, Connie W Bales, Kim M Huffman, William E Kraus
GlycA is a new composite measure of systemic inflammation and a predictor of many inflammatory diseases. GlycA is the nuclear magnetic resonance spectroscopy-derived signal arising from glucosamine residues on acute-phase proteins. This study aimed to evaluate how exercise-based lifestyle interventions modulate GlycA in persons at risk for type 2 diabetes. GlycA, fitness, and body habitus were measured in 169 sedentary adults (45-75 years) with prediabetes randomly assigned to one of four six-month exercise-based lifestyle interventions...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28642676/international-society-of-sports-nutrition-position-stand-protein-and-exercise
#5
REVIEW
Ralf Jäger, Chad M Kerksick, Bill I Campbell, Paul J Cribb, Shawn D Wells, Tim M Skwiat, Martin Purpura, Tim N Ziegenfuss, Arny A Ferrando, Shawn M Arent, Abbie E Smith-Ryan, Jeffrey R Stout, Paul J Arciero, Michael J Ormsbee, Lem W Taylor, Colin D Wilborn, Doug S Kalman, Richard B Kreider, Darryn S Willoughby, Jay R Hoffman, Jamie L Krzykowski, Jose Antonio
The International Society of Sports Nutrition (ISSN) provides an objective and critical review related to the intake of protein for healthy, exercising individuals. Based on the current available literature, the position of the Society is as follows:An acute exercise stimulus, particularly resistance exercise, and protein ingestion both stimulate muscle protein synthesis (MPS) and are synergistic when protein consumption occurs before or after resistance exercise.For building muscle mass and for maintaining muscle mass through a positive muscle protein balance, an overall daily protein intake in the range of 1...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28640441/adipose-tissue-derived-omentin-1-function-and-regulation
#6
Takuya Watanabe, Kaho Watanabe-Kominato, Yui Takahashi, Miho Kojima, Rena Watanabe
Omentin-1, also known as intelectin-1, is a recently identified novel adipocytokine of 313 amino acids, which is expressed in visceral (omental and epicardial) fat as well as mesothelial cells, vascular cells, airway goblet cells, small intestine, colon, ovary, and plasma. The level of omentin-1 expression in (pre)adipocytes is decreased by glucose/insulin and stimulated by fibroblast growth factor-21 and dexamethasone. Several lines of experimental evidence have shown that omentin-1 plays crucial roles in the maintenance of body metabolism and insulin sensitivity, and has anti-inflammatory, anti-atherosclerotic, and cardiovascular protective effects via AMP-activated protein kinase/Akt/nuclear factor-κB/mitogen-activated protein kinase (ERK, JNK, and p38) signaling...
June 18, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28638916/-different-subtypes-of-estrogen-receptor-%C3%AE-and-related-signal-molecules-in-the-hippocampus-are-associated-with-spatial-cognitive-impairment-of-diabetic-mice
#7
Ming-Rui Zhang, Chao Qu, Jia Sun, Cui Wang, Hong-Yan Li, Ye-Jun Zhang, Bing-Qiang Zhang, Wei Zou
To study the correlation between the spatial cognitive impairment and different subtypes of estrogen receptor α (ERα) of hippocampus in diabetic mice, we used alloxan (intraperitoneal injection) to induce type 1 diabetes in male Kunming mice and compared the spatial cognitive ability of the model mice with that of control mice through Morris water maze test. Meanwhile, using Western blot, we detected the protein expressions of ER-α36, ER-α66, caveolin-1, PKCα, cAMP-response element binding protein 2 (CREB2), and synaptophysin (Syn) in the hippocampus of the mice...
June 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28638350/branched-chain-amino-acid-ingestion-stimulates-muscle-myofibrillar-protein-synthesis-following-resistance-exercise-in-humans
#8
Sarah R Jackman, Oliver C Witard, Andrew Philp, Gareth A Wallis, Keith Baar, Kevin D Tipton
The ingestion of intact protein or essential amino acids (EAA) stimulates mechanistic target of rapamycin complex-1 (mTORC1) signaling and muscle protein synthesis (MPS) following resistance exercise. The purpose of this study was to investigate the response of myofibrillar-MPS to ingestion of branched-chain amino acids (BCAAs) only (i.e., without concurrent ingestion of other EAA, intact protein, or other macronutrients) following resistance exercise in humans. Ten young (20.1 ± 1.3 years), resistance-trained men completed two trials, ingesting either 5...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28637631/validity-of-a-digital-diet-estimation-method-for-use-with-preschool-children
#9
Theresa Nicklas, Noemi G Islam, Rabab Saab, Rebecca Schulin, Yan Liu, Nancy F Butte, John W Apolzan, Candice A Myers, Corby K Martin
BACKGROUND: The validity of using the Remote Food Photography Method (RFPM) for measuring food intake of minority preschool children's intake is not well documented. OBJECTIVE: Our aim was to determine the validity of intake estimations made by human raters using the RFPM compared with those obtained by weighing all foods and beverages consumed by 3- to 5-year-old children (weighed method). DESIGN: We conducted a cross-sectional observational study...
June 18, 2017: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/28637296/omixcore-a-web-server-for-prediction-of-protein-interactions-with-large-rna
#10
Alexandros Armaos, Davide Cirillo, Gian Gaetano Tartaglia
Summary: Here we introduce omiXcore, a server for calculations of protein binding to large RNAs (> 500 nucleotides). Our webserver allows (i) use of both protein and RNA sequences without size restriction; (ii) pre-compiled library for exploration of human long intergenic RNAs (lincRNAs) interactions; (iii) prediction of binding sites. Results: omiXcore was trained and tested on enhanced UV Cross-Linking and ImmunoPrecipitation (eCLIP) data. The method discriminates interacting and non-interacting protein-RNA pairs and identifies RNA binding sites with Areas under the ROC curve > 0...
June 15, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28636643/neuromuscular-electrical-stimulation-prevents-skeletal-muscle-dysfunction-in-adjuvant-induced-arthritis-rat
#11
Koichi Himori, Daisuke Tatebayashi, Keita Kanzaki, Masanobu Wada, Håkan Westerblad, Johanna T Lanner, Takashi Yamada
Skeletal muscle weakness is a prominent feature in patients with rheumatoid arthritis (RA). In this study, we investigated whether neuromuscular electrical stimulation (NMES) training protects against skeletal muscle dysfunction in rats with adjuvant-induced arthritis (AIA). AIA was produced by intraarticular injection of complete Freund's adjuvant into the knees of Wistar rats. For NMES training, dorsiflexor muscles were stimulated via a surface electrode (0.5 ms pulse, 50 Hz, 2 s on/4 s off). NMES training was performed every other day for three weeks and consisted of three sets produced at three min intervals...
2017: PloS One
https://www.readbyqxmd.com/read/28636361/a-machine-learning-assisted-approach-for-discovering-novel-inhibitors-targeting-bromodomain-containing-protein-4
#12
Jing Xing, Wenchao Lu, Rongfeng Liu, Yulan Wang, Yiqian Xie, Hao Zhang, Zhe Shi, Hao Jiang, Yu-Chih Liu, Kaixian Chen, Hualiang Jiang, Cheng Luo, Mingyue Zheng
Bromodomain-containing protein 4 (BRD4) is implicated in the pathogenesis of a number of different cancers, inflammatory diseases and heart failure. Much effort has been dedicated toward discovering novel scaffold BRD4 inhibitors (BRD4is) with different selectivity profiles and potential anti-resistance properties. Structure-based drug design (SBDD) and virtual screening (VS) are the most frequently used approaches. Here, we demonstrate a novel, structure-based VS approach that uses machine-learning algorithms trained on the priori structure and activity knowledge to predict the likelihood that a compound is a BRD4i based on its binding pattern with BRD4...
June 21, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28634479/whole-blood-profiling-of-bacillus-calmette-gu%C3%A3-rin-induced-trained-innate-immunity-in-infants-identifies-epidermal-growth-factor-il-6-platelet-derived-growth-factor-ab-bb-and-natural-killer-cell-activation
#13
Steven G Smith, Johanneke Kleinnijenhuis, Mihai G Netea, Hazel M Dockrell
Vaccination of infants with bacillus Calmette-Guérin (BCG) activates both the innate and adaptive arms of the immune response. The antimycobacterial effects of these responses most likely account for the ability of BCG to protect against childhood forms of tuberculosis (TB). There is also evidence for a heterologous protective effect of BCG vaccination against TB-unrelated mortality in low birth weight infants. A possible mechanism of action of this effect, the induction of trained innate immunity, has been demonstrated when cells from BCG-vaccinated adults are restimulated in vitro with non-related microbial stimuli...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28633280/motifhyades-expectation-maximization-for-de-novo-dna-motif-pair-discovery-on-paired-sequences
#14
Ka-Chun Wong
Motivation: In higher eukaryotes, protein-DNA binding interactions are the central activities in gene regulation. In particular, DNA motifs such as transcription factor binding sites are the key components in gene transcription. Harnessing the recently available chromatin interaction data, computational methods are desired for identifying the coupling DNA motif pairs enriched on long-range chromatin-interacting sequence pairs (e.g. promoter-enhancer pairs) systematically. Results: To fill the void, a novel probabilistic model (namely, MotifHyades) is proposed and developed for de novo DNA motif pair discovery on paired sequences...
June 13, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28630601/international-society-of-sports-nutrition-position-stand-diets-and-body-composition
#15
REVIEW
Alan A Aragon, Brad J Schoenfeld, Robert Wildman, Susan Kleiner, Trisha VanDusseldorp, Lem Taylor, Conrad P Earnest, Paul J Arciero, Colin Wilborn, Douglas S Kalman, Jeffrey R Stout, Darryn S Willoughby, Bill Campbell, Shawn M Arent, Laurent Bannock, Abbie E Smith-Ryan, Jose Antonio
Position Statement: The International Society of Sports Nutrition (ISSN) bases the following position stand on a critical analysis of the literature regarding the effects of diet types (macronutrient composition; eating styles) and their influence on body composition. The ISSN has concluded the following. 1) There is a multitude of diet types and eating styles, whereby numerous subtypes fall under each major dietary archetype. 2) All body composition assessment methods have strengths and limitations. 3) Diets primarily focused on fat loss are driven by a sustained caloric deficit...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28630576/no-effect-of-a-whey-growth-factor-extract-during-resistance-training-on-strength-body-composition-or-hypertrophic-gene-expression-in-resistance-trained-young-men
#16
Michael J Dale, Alison M Coates, Peter R C Howe, Grant R Tomkinson, Matthew T Haren, Andrew Brown, Marissa Caldow, David Cameron-Smith, Jonathan D Buckley
Growth factors can be isolated from bovine milk to form a whey growth factor extract (WGFE). This study examined whether WGFE promoted activation of the AKT/mTOR pathway enabling increased lean tissue mass and strength in resistance trained men. Forty six men with >6 months of resistance training (RT) experience performed 12 weeks of RT. Participants consumed 20 g/day of whey protein and were randomised to receive either 1.6 g WGFE/day (WGFE; n = 22) or 1.6 g cellulose/day (control, CONT; n = 24). The primary outcome was leg press one-repetition maximum (LP1-RM) which was assessed at baseline, 6 and 12 weeks...
June 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/28629964/a-novel-heterocyclic-compound-improves-working-memory-in-the-radial-arm-maze-and-modulates-the-dopamine-receptor-d1r-in-frontal-cortex-of-the-sprague-dawley-rat
#17
Ahmed M Hussein, Yogesh D Aher, Predrag Kalaba, Nilima Y Aher, Vladimir Dragačević, Bojana Radoman, Marija Ilić, Johann Leban, Tetyana Beryozkina, Abdel Baset M A Ahmed, Ernst Urban, Thierry Langer, Gert Lubec
A series of compounds have been shown to enhance cognitive function via the dopaminergic system and indeed the search for more active and less toxic compounds is continuing. It was therefore the aim of the study to synthetise and test a novel heterocyclic compound for cognitive enhancement in a paradigm for working memory. Specific and effective dopamine re-uptake inhibition DAT (IC50=4,1±0,8μM) made us test this compound in a radial arm maze (RAM) in the rat. CE-125 (4-((benzhydrylsulfinyl)methyl)-2-cyclopropylthiazole), was tested for dopamine (DAT), serotonin and norepinephrine re-uptake inhibition by a well-established system...
June 16, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28626963/exercise-training-modulates-the-hepatic-renin-angiotensin-system-in-fructose-fed-rats
#18
Eliete Dalla Corte Frantz, Renata Frauches Medeiros, Isabele Gomes Giori, Juliana Bittencourt Silveira Lima, Thais Bento-Bernardes, Thaiane Gadioli Gaique, Caroline Fernandes-Santos, Tiago Fernandes, Edilamar Menezes Oliveira, Carla Paulo Vieira, Carlos Adam Conte-Junior, Karen Jesus Oliveira, Antonio Claudio Lucas da Nóbrega
The renin-angiotensin system (RAS) has been implicated in the development of metabolic syndrome. We investigated whether the hepatic RAS is modulated by exercise training and if this modulation improves the deleterious effects of fructose overload in rats. Male Wistar rats were divided into (n = 8 each) control (CT), exercise control (CT-Ex), high fructose (HFr) and exercise high fructose (HFr-Ex) groups. Fructose-drinking rats received D-fructose (100 g L(-1) ). After two weeks, CT-Ex and HFr-Ex rats were assigned to a treadmill training protocol at moderate-intensity for eight weeks (60 min day(-1) , four days/week)...
June 19, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28624156/a-noninvasive-blood-based-combinatorial-proteomic-biomarker-assay-to-detect-breast-cancer-in-women-under-the-age-of-50-years
#19
Ana P Lourenco, Kasey L Benson, Meredith C Henderson, Michael Silver, Elias Letsios, Quynh Tran, Kelly J Gordon, Sherri Borman, Christa Corn, Rao Mulpuri, Wendy Smith, Josie Alpers, Carrie Costantini, Nitin Rohatgi, Rebecca Yang, Ali Haythem, Shah Biren, Michael Morris, Fred Kass, David E Reese
BACKGROUND: Despite significant advances in breast imaging, the ability to detect breast cancer (BC) remains a challenge. To address the unmet needs of the current BC detection paradigm, 2 prospective clinical trials were conducted to develop a blood-based combinatorial proteomic biomarker assay (Videssa Breast) to accurately detect BC and reduce false positives (FPs) from suspicious imaging findings. PATIENTS AND METHODS: Provista-001 and Provista-002 (cohort one) enrolled Breast Imaging Reporting and Data System 3 or 4 women aged under 50 years...
May 23, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28623886/epsilon-cp-using-deep-learning-to-combine-information-from-multiple-sources-for-protein-contact-prediction
#20
Kolja Stahl, Michael Schneider, Oliver Brock
BACKGROUND: Accurately predicted contacts allow to compute the 3D structure of a protein. Since the solution space of native residue-residue contact pairs is very large, it is necessary to leverage information to identify relevant regions of the solution space, i.e. correct contacts. Every additional source of information can contribute to narrowing down candidate regions. Therefore, recent methods combined evolutionary and sequence-based information as well as evolutionary and physicochemical information...
June 17, 2017: BMC Bioinformatics
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