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https://www.readbyqxmd.com/read/28436441/erratum-cd40-signalling-abrogates-induction-of-ror%C3%AE-t-treg-cells-by-intestinal-cd103-dcs-and-causes-fatal-colitis
#1
Christian Barthels, Ana Ogrinc, Verena Steyer, Stefanie Meier, Ferdinand Simon, Maria Wimmer, Andreas Blutke, Tobias Straub, Ursula Zimber-Strobl, Esther Lutgens, Peggy Marconi, Caspar Ohnmacht, Debora Garzetti, Bärbel Stecher, Thomas Brocker
No abstract text is available yet for this article.
April 24, 2017: Nature Communications
https://www.readbyqxmd.com/read/28424870/high-intensity-interval-training-does-not-impair-strength-gains-in-response-to-resistance-training-in-premenopausal-women
#2
Paulo Gentil, Claudio Andre Barbosa de Lira, Suedi Gonçalves Cardoso Filho, Cauê Vazquez La Scala Teixeira, James Steele, James Fisher, Juliana Alves Carneiro, Mário Hebling Campos
PURPOSE: To compare the increases in upper- and lower-body muscle strength in premenopausal women performing resistance training (RT) alone or alongside concurrent high-intensity interval training (CT). METHODS: Sixteen women (26-40 years) were randomly assigned into two groups that performed either RT or CT. Both groups performed the same RT program; however, CT performed additional high-intensity interval training (HIIT) on a bicycle ergometer before RT. The study lasted 8 weeks and the participants were tested for ten repetition maximum (10RM) load in elbow flexion (barbell biceps curl) and knee extension exercises pre- and post-intervention...
April 19, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28423341/glutathione-primes-t-cell-metabolism-for-inflammation
#3
Tak W Mak, Melanie Grusdat, Gordon S Duncan, Catherine Dostert, Yannic Nonnenmacher, Maureen Cox, Carole Binsfeld, Zhenyue Hao, Anne Brüstle, Momoe Itsumi, Christian Jäger, Ying Chen, Olaf Pinkenburg, Bärbel Camara, Markus Ollert, Carsten Bindslev-Jensen, Vasilis Vasiliou, Chiara Gorrini, Philipp A Lang, Michael Lohoff, Isaac S Harris, Karsten Hiller, Dirk Brenner
Activated T cells produce reactive oxygen species (ROS), which trigger the antioxidative glutathione (GSH) response necessary to buffer rising ROS and prevent cellular damage. We report that GSH is essential for T cell effector functions through its regulation of metabolic activity. Conditional gene targeting of the catalytic subunit of glutamate cysteine ligase (Gclc) blocked GSH production specifically in murine T cells. Gclc-deficient T cells initially underwent normal activation but could not meet their increased energy and biosynthetic requirements...
April 18, 2017: Immunity
https://www.readbyqxmd.com/read/28415066/effect-of-barbell-weight-on-the-structure-of-the-flat-bench-press
#4
Henryk Król, Artur Gołaś
Król, H and Gołaś, A. Effect of barbell weight on the structure of the flat bench press. J Strength Cond Res 31(5): 1321-1337, 2017-In this study, we have used the multimodular measuring system SMART. The system consisted of 6 infrared cameras and a wireless module to measure muscle bioelectric activity. In addition, the path of the barbell was measured with a special device called the pantograph. Our study concerns the change in the structure of the flat bench press when the weight of the barbell is increased...
May 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28414787/water-abstraction-affects-abundance-size-structure-and-growth-of-two-threatened-cyprinid-fishes
#5
Roberto Merciai, Carlota Molons-Sierra, Sergi Sabater, Emili García-Berthou
Hydrologic alteration is a major threat to freshwater biota, and particularly fish, in many river courses around the world. We analyzed and compared the effects of water abstraction on two threatened cyprinid fishes of contrasting ecology (the Mediterranean barbel Barbus meridionalis and the Catalan chub Squalius laietanus) in a Mediterranean stream. We compared abundance, size-structure, growth, and condition of both species across perennial and artificially intermittent reaches affected by water abstraction...
2017: PloS One
https://www.readbyqxmd.com/read/28395205/induction-of-erod-and-bfcod-activities-in-tissues-of-barbel-barbus-callensis-from-a-water-reservoir-in-algeria
#6
Safia Habila, Essaid Leghouchi, Ana Valdehita, Azucena Bermejo-Nogales, Smail Khelili, José M Navas
EROD and BFCOD activities were measured in liver and gills of barbel (Barbus callensis, a native North African species) captured at Beni Haroun lake, the most important water reservoir in Algeria. This lake receives wastewater from different origins. Thus, we assessed the level of pollution through the induction of detoxification activities in tissues of barbel, evaluating simultaneously the suitability of this species to be used as a sentinel. Fish were collected between March 2015 and January 2016 at three locations taking into account the pollution sources and accessibility...
April 7, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28394833/optimizing-half-squat-post-activation-potential-load-in-squat-jump-training-for-eliciting-relative-maximal-power-in-ski-jumpers
#7
A Gołaś, M Wilk, P Statsny, A Maszczyk, K Pajerska, A Zajac
Training load manipulation in a single workout session can increase or decrease training effectiveness in terms of athlete's strength or power gains. In ski jumping the complex training that elicits maximal power gains may take advantage of the post activation potentiation mechanism (PAP). The aim of research was to evaluate the changes in rate of force development (RFD), rate of power development (RPD) and jump height during a complex training session consisted of the barbell half squat (Sq) as an conditioning exercise with loads ranged between 60-100% of 1 repetition maximum (1RM), followed by a body weight squat jump (SqJ) as a performance task...
April 7, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28389398/-numb-leg-in-a-cross-fit-athlete-a-case-report
#8
Stephan Esser, Mckennan Thurston, Krishna Nalluri, Aurelio Muzaurieta
Participation in "CrossFit" athletics and Olympic-styled lifting by the general populace has rapidly increased in the last 10 years. Such athletic engagement poses unique, inadequately defined risks to the participant. We describe the case of a 36 y/o male presenting to an outpatient sports medicine clinic with six weeks of numbness and tingling in the lateral right proximal thigh. After thorough examination and EMG testing, he was found to have a lateral femoral cutaneous neuropathy caused by performing supine gluteal bridges with a weighted barbell resting across his anterior thighs...
April 4, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28372537/a-biomechanical-comparison-of-successful-and-unsuccessful-power-clean-attempts
#9
Kristof Kipp, Carolyn Meinerz
Although the power clean is an almost ubiquitous exercise in the strength and conditioning setting, relatively little is known about the biomechanics of successful and unsuccessful power clean lift attempts. The purpose of this study was to determine biomechanical differences between successful and unsuccessful power clean lift attempts in male collegiate athletes. Fifteen male lacrosse players (Age: 20.1 ± 1.2; Height: 1.78 ± 0.07 m; Body mass: 80.4 ± 8.1 kg; Relative one-repetition maximum power clean: 1...
June 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28347867/microbiota-differences-between-commercial-breeders-impacts-the-post-stroke-immune-response
#10
Rebecca Sadler, Vikramjeet Singh, Corinne Benakis, Debora Garzetti, David Brea Lopez, Bärbel Stecher, Josef Anrather, Arthur Liesz
Experimental reproducibility between laboratories is a major translational obstacle worldwide, particularly in studies investigating immunomodulatory therapies in relation to brain disease. In recent years increasing attention has been drawn towards the gut microbiota as a key factor in immune cell polarization. Moreover, manipulation of the gut microbiota has been found effective in a diverse range of brain disorders. Within this study we aimed to test the impact of microbiota differences between mice from different sources on the post-stroke neuroinflammatory response...
March 24, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28333572/new-insights-on-complement-inhibitor-cd59-in-mouse-laser-induced-choroidal-neovascularization-mislocalization-after-injury-and-targeted-delivery-for-protein-replacement
#11
Gloriane Schnabolk, Mee Keong Beon, Stephen Tomlinson, Bärbel Rohrer
PURPOSE: The membrane attack complex (MAC) in choriocapillaris (CC) and retinal pigment epithelium (RPE) increase with age and disease (age-related macular degeneration). MAC assembly can be inhibited by CD59, a membrane-bound regulator. Here we further investigated the role of CD59 in murine choroidal neovascularization (CNV), a model involving both CC and RPE, and tested whether CR2-CD59, a soluble targeted form of CD59, provides protection. METHODS: Laser-induced CNV was generated in wild type and CD59a-deficient mice (CD59(-/-))...
March 23, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28331412/a-review-of-the-pseudobarbus-afer-peters-1864-species-complex-teleostei-cyprinidae-in-the-eastern-cape-fold-ecoregion-of-south-africa
#12
Albert Chakona, Paul H Skelton
The Eastern Cape redfin, Pseudobarbus afer, has long been considered to be a single widespread and variable species occurring in multiple isolated river systems in the Cape Fold Ecoregion (CFE) at the southern tip of Africa. Mitochondrial cytochrome b and control region sequence data of individuals from populations currently assigned to Pseudobarbus afer across the species' distribution range revealed existence of four deeply divergent taxonomic units: (i) the Mandela lineage confined to the Sundays, Swartkops and Baakens river systems, (ii) the Krom lineage endemic to the Krom River system, (iii) the St Francis lineage occurring in the Gamtoos and adjacent river systems, and (iv) the Forest lineage occurring in several coastal river systems from the Tsitsikamma to the Klein Brak River system...
2017: ZooKeys
https://www.readbyqxmd.com/read/28319762/growth-of-algal-biomass-in-laboratory-and-in-large-scale-algal-photobioreactors-in-the-temperate-climate-of-western-germany
#13
Christina Schreiber, Dominik Behrendt, Gregor Huber, Christian Pfaff, Janka Widzgowski, Bärbel Ackermann, Andreas Müller, Vilém Zachleder, Šárka Moudříková, Peter Mojzeš, Ulrich Schurr, Johan Grobbelaar, Ladislav Nedbal
Growth of Chlorella vulgaris was characterized as a function of irradiance in a laboratory turbidostat (1L) and compared to batch growth in sunlit modules (5-25L) of the commercial NOVAgreen photobioreactor. The effects of variable sunlight and culture density were deconvoluted by a mathematical model. The analysis showed that algal growth was light-limited due to shading by external construction elements and due to light attenuation within the algal bags. The model was also used to predict maximum biomass productivity...
March 7, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28315055/determination-of-heavy-metals-in-muscle-tissue-of-six-fish-species-with-different-feeding-habits-from-the-danube-river-belgrade-public-health-and-environmental-risk-assessment
#14
Dragoljub A Jovanović, Radmila V Marković, Vlado B Teodorović, Dragan S Šefer, Milena P Krstić, Stamen B Radulović, Jelena S Ivanović Ćirić, Jelena M Janjić, Milan Ž Baltić
The aim of this study was to investigate the presence of heavy metals/metalloids (Pb, Cd, Hg, Cu, Fe, Zn, As) in the muscle tissue of fish from the Danube River (two locations: Zemun and Grocka). For the purpose of heavy metal determination in fish muscle, 120 samples of six different fish species, Prussian carp, barbel, bream, carp, pike perch, and catfish were collected. For determining heavy metals, we used microwave oven digestion and atomic absorption spectrometer methods. The highest average content of Pb (0...
March 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28303891/il-21-restricts-t-follicular-regulatory-t-cell-proliferation-through-bcl-6-mediated-inhibition-of-responsiveness-to-il-2
#15
Christoph Jandl, Sue M Liu, Pablo F Cañete, Joanna Warren, William E Hughes, Alexis Vogelzang, Kylie Webster, Maria E Craig, Gulbu Uzel, Alexander Dent, Polina Stepensky, Bärbel Keller, Klaus Warnatz, Jonathan Sprent, Cecile King
T follicular regulatory (Tfr) cells control the magnitude and specificity of the germinal centre reaction, but how regulation is contained to ensure generation of high-affinity antibody is unknown. Here we show that this balance is maintained by the reciprocal influence of interleukin (IL)-2 and IL-21. The number of IL-2-dependent FoxP3(+) regulatory T cells is increased in the peripheral blood of human patients with loss-of-function mutations in the IL-21 receptor (IL-21R). In mice, IL-21:IL-21R interactions influence the phenotype of T follicular cells, reducing the expression of CXCR4 and inhibiting the expansion of Tfr cells after T-cell-dependent immunization...
March 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28303575/isoform-localization-of-dectin-1-regulates-the-signaling-quality-of-anti-fungal-immunity
#16
Mike Fischer, Jörg P Müller, Bärbel Spies-Weisshart, Christine Gräfe, Oliver Kurzai, Kerstin Hünniger, Andreas Hochhaus, Sebastian Scholl, Ulf Schnetzke
Dectin-1 is recognized as a major receptor for fungal ß-glucans and contributes to anti-fungal immunity. Human monocyte populations express Dectin-1 isoforms A and B, which differ by the presence of a stalk region and its N-linked glycosylation site. Here, we analyzed the expression of both isoforms in human monocyte-derived cells. The cellular localization on cell lines stably expressing either Dectin-1 isoform A or B was studied by flow cytometry and confocal laser scanning microscopy. Intracellular protein signaling and cytokine production were analyzed by immunoblotting and cytometric bead array, respectively...
March 16, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28303565/morphometry-and-microanatomy-of-the-barbels-of-the-common-sawshark-pristiophorus-cirratus-pristiophoridae-implications-for-pristiophorid-behaviour
#17
R J Nevatte, J E Williamson, N G F Vella, V Raoult, B E Wueringer
The internal anatomy of the barbels of the common sawshark Pristiophorus cirratus was examined with light microscopy to clarify their sensory role. No sensory structures such as taste buds (chemoreception), ampullae of Lorenzini (electroreception) or free neuromasts (lateral line mechanoreception) could be located in the barbels. The presence of bundles of nerve fibres, however, indicates a tactile function for the barbels. Conveyance of information regarding potentially damaging stimuli (nociception) and temperature (thermoception) cannot be excluded at this stage...
March 17, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28301442/effect-of-ankle-mobility-and-segment-ratios-on-trunk-lean-in-the-barbell-back-squat
#18
Emil Isager Fuglsang, Anders Stampe Telling, Henrik Sørensen
The barbell back squat is a popular exercise used for both performance enhancing and rehabilitation purposes. However, injuries are common and people with a history of lower back pain are especially vulnerable. Past studies have shown that higher trunk angles (less forward lean) generate less stress on the lower back; thus, it seems appropriate to investigate the factors presumed to influence the trunk angle. Therefore, the aim in this study was to investigate how ankle mobility and the segment ratios between the thoracic spine, thighs and shanks influence the trunk angle in the back squat...
March 13, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28299217/management-of-retained-genital-piercings-a-case-report-and-review
#19
Laura J Moulton, Amelia M Jernigan
The prevalence of genital piercing among women is increasing. As the popularity increases, the number of complications from infection, injury, and retained jewelry is likely to rise. Techniques to remove embedded jewelry are not well described in the literature. The purpose of this report was to describe a case of a patient with a retained clitoral glans piercing, discuss a simple technique for outpatient removal, and review current evidence regarding associated risks of clitoral piercings. A 24-year-old female presented to the emergency department with an embedded clitoral glans piercing...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28290757/hip-musculoskeletal-conditions-and-associated-factors-that-influence-squat-performance-a-systematic-review
#20
Scott W Cheatham, Kyle R Stull, Mike Fantigrassi, Ian Montel
CONTEXT: The squat is a fundamental movement for weight lifting and sports performance. Both unilateral and bilateral squats are also used to assess transitional and dynamic lower extremity control. Common lower extremity conditions can have an influence on squat performance. Of interest, are the effects of hip musculoskeletal conditions and associated factors such as hip muscle pain, fatigue, and tightness on squat performance. Currently, there has been no appraisal of the evidence regarding the association of these conditions and associated factors on squat performance...
March 14, 2017: Journal of Sport Rehabilitation
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