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https://www.readbyqxmd.com/read/29786486/one-year-retention-of-gadolinium-in-the-brain-comparison-of-gadodiamide-and-gadoterate-meglumine-in-a-rodent-model
#1
Philippe Robert, Stefanie Fingerhut, Cécile Factor, Véronique Vives, Justine Letien, Michael Sperling, Marlène Rasschaert, Robin Santus, Sébastien Ballet, Jean-Marc Idée, Claire Corot, Uwe Karst
Purpose To compare the long-term brain elimination kinetics and gadolinium species in healthy rats after repeated injections of the contrast agents gadodiamide (a linear contrast agent) or gadoterate (a macrocyclic contrast agent). Materials and Methods Nine-week-old rats received five doses of 2.4 mmol gadolinium per kilogram of body weight over 5 weeks and were followed for 12 months with T1-weighted MRI (n = 140 rats, corresponding to seven time points, two contrast agents, and 10 rats per group). Animals were sacrificed at 1 week, 1 month, and 2, 3, 4, 5, and 12 months after the last injection...
May 17, 2018: Radiology
https://www.readbyqxmd.com/read/29772411/regulation-of-hip-joint-kinetics-for-increasing-angular-momentum-during-the-initiation-of-a-pirouette-en-dehors-in-classical-ballet
#2
Akiko Imura, Yoichi Iino
This study examined how dancers regulate the hip joint kinetics to coordinate the upper and lower body angular momenta with the increased rotation of pirouette en dehors (pirouette) during the preparation. During the preparation of the pirouette, the upper body rotates greatly about the vertical axis; however, the lower extremity remains relatively stationary. Therefore, there must be specific control at the hip to coordinate the upper and lower body angular momenta in turns of increased rotation. Kinematics and kinetics of single to quadruple pirouettes performed by eight ballet dancers were analysed using a motion capture system and force plates...
May 12, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29756906/highly-efficient-spin-to-charge-current-conversion-in-strained-hgte-surface-states-protected-by-a-hgcdte-layer
#3
P Noel, C Thomas, Y Fu, L Vila, B Haas, P-H Jouneau, S Gambarelli, T Meunier, P Ballet, J P Attané
We report the observation of spin-to-charge current conversion in strained mercury telluride at room temperature, using spin pumping experiments. We show that a HgCdTe barrier can be used to protect the HgTe from direct contact with the ferromagnet, leading to very high conversion rates, with inverse Edelstein lengths up to 2.0±0.5  nm. The influence of the HgTe layer thickness on the conversion efficiency is found to differ strongly from what is expected in spin Hall effect systems. These measurements, associated with the temperature dependence of the resistivity, suggest that these high conversion rates are due to the spin momentum locking property of HgTe surface states...
April 20, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29729353/influence-of-foot-position-and-vision-on-dynamic-postural-strategies-during-the-grand-pli%C3%A3-ballet-movement-squatting-in-young-and-adult-ballet-dancers
#4
Anne-Violette Bruyneel, Marc Bertrand, Serge Mesure
PURPOSE: To analyse dynamic postural strategies during the "grand plié" in two different foot positions (parallel or turned out), with and without vision, and as a function of age in ballet dancers. METHOD: Twenty young dancers (YD) aged from 8 to 16 years, and 20 adult dancers (AD) aged from 17 to 30 years were recruited. Center of pressure (CoP) and ground reaction forces (GRF) were recorded (500 Hz) during the grand plié (lowering, squatting and rising)...
May 2, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29723911/specialized-properties-of-the-triceps-surae-muscle-tendon-unit-in-professional-ballet-dancers
#5
M M Moltubakk, M M Magulas, F O Villars, O R Seynnes, J Bojsen-Møller
This study compared professional ballet dancers (n=10) to non-stretching controls (n=10) with the purpose of comparing muscle and tendon morphology, mechanical, neural and functional properties of the triceps surae and their role for ankle joint flexibility. Torque-angle and torque-velocity data were obtained during passive and active conditions by use of isokinetic dynamometry, while tissue morphology and mechanical properties were evaluated by ultrasonography. Dancers displayed longer gastrocnemius medialis fascicles (55 ± 5 vs 47 ± 6 mm) and a longer (207 ± 33 vs 167 ± 10 mm) and more compliant (230 ± 87 vs 364 ± 106 N·mm-1 ) Achilles tendon compared to controls...
May 3, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29708942/a-bifunctional-biased-mu-opioid-agonist-neuropeptide-ff-receptor-antagonist-as-analgesic-with-improved-acute-and-chronic-side-effects
#6
Armand Drieu la Rochelle, Karel Guillemyn, Maria Dumitrascuta, Charlotte Martin, Valérie Utard, Raphaëlle Quillet, Séverine Schneider, François Daubeuf, Tom Willemse, Pieter Mampuys, Bert U W Maes, Nelly Frossard, Frédéric Bihel, Mariana Spetea, Frédéric Simonin, Steven Ballet
Opioid analgesics, such as morphine, oxycodone and fentanyl, are the cornerstones for treating moderate to severe pain. However, upon chronic administration, their efficiency is limited by prominent side effects such as analgesic tolerance and dependence liability. Neuropeptide FF (NPFF) and its receptors (NPFF1R and NPFF2R) are recognized as an important pronociceptive system involved in opioid-induced hyperalgesia and analgesic tolerance. Herein, we report the design of multitarget peptidomimetic compounds that show high affinity binding to the mu opioid receptor (MOPr) and NPFFRs...
April 26, 2018: Pain
https://www.readbyqxmd.com/read/29708407/it-takes-time-building-relationships-and-understanding-through-an-intergenerational-ballet-programme
#7
Shelley E Canning, Michael Gaetz, Darren Blakeborough
Individuals living in long-term residential care homes are often viewed through a negative lens. These residents have increasingly complex care needs, and their functional, communication and cognitive challenges can support conceptualizations of difference and disability perpetuating negative stereotypes of age and dementia. However, engaging in meaningful activities and relationships with older adults, including those with dementia, has been shown to promote positive attitudes. Specifically, intergenerational programming that provides opportunities for meaningful engagement between children and older adults has been shown to support positive emotional experiences through socializing and building relationships...
January 1, 2018: Dementia
https://www.readbyqxmd.com/read/29683763/saccharomyces-cerevisiae-based-probiotic-as-novel-anti-microbial-agent-for-therapy-of-bacterial-vaginosis
#8
Samuele Sabbatini, Claudia Monari, Nathalie Ballet, Paolo Mosci, Amélie Cayzeele Decherfe Fanny Pélerin, Stefano Perito, Paolo Scarpelli, Anna Vecchiarelli
In this study, we demonstrate, for the first time, that Saccharomyces cerevisiae-based probiotic shows an inhibitory effect on Gardnerella vaginalis infection. This effect is likely due to several actions: direct interference with adherence to vaginal tissues, inhibition of sialidase activity, reduction of vaginal epithelial exfoliation. Gardnerella vaginalis does not induce vaginal inflammation and no inflammatory cytokines were, indeed, produced, by the mouse vagina, neither by Gardnerella vaginalis and by the probiotic...
April 23, 2018: Virulence
https://www.readbyqxmd.com/read/29678321/laparoscopic-approach-to-median-arcuate-ligament-syndrome-with-video
#9
S Landen, T Ballet, V Delugeau, C Landen
No abstract text is available yet for this article.
April 17, 2018: Journal of Visceral Surgery
https://www.readbyqxmd.com/read/29676294/noise-exposure-and-hearing-loss-in-classical-orchestra-musicians-a-five-year-follow-up
#10
Alberto Behar, Marshall Chasin, Steve Mosher, Mohammad Abdoli-Eramaki, Frank A Russo
Introduction: This study is a follow-up to prior research from our group that attempts to relate noise exposure and hearing thresholds in active performing musicians of the National Ballet of Canada Orchestra. Materials and Methods: Exposures obtained in early 2010 were compared to exposures obtained in early 2017 (the present study). In addition, audiometric thresholds obtained in early 2012 were compared to thresholds obtained in early 2017 (the present study)...
March 2018: Noise & Health
https://www.readbyqxmd.com/read/29668558/archaea-microbial-candidates-in-next-generation-probiotics-development
#11
Jean-François Brugère, Wajdi Ben Hania, Marie-Edith Arnal, Céline Ribière, Nathalie Ballet, Pascal Vandeckerkove, Bernard Ollivier, Paul W O'Toole
Pharmabiotics and probiotics in current use or under development belong to 2 of 3 domains of life, Eukarya (eg, yeasts) and Bacteria (eg, lactobacilli). Archaea constitute a third domain of life, and are currently not used as probiotics, despite several interesting features. This includes the absence of known pathogens in humans, animals, or plants and the existence of some archaea closely associated to humans in various microbiomes. We promote the concept that some specific archaea that naturally thrive in the human gut are potential next-generation probiotics that can be rationally selected on the basis of their metabolic phenotype not being encountered in other human gut microbes, neither Bacteria nor Eukarya...
April 17, 2018: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/29658150/proximal-patellar-tendon-pathology-can-develop-during-adolescence-in-young-ballet-dancers-a-2-year-longitudinal-study
#12
A Rudavsky, J L Cook, S Docking
PURPOSE: Patellar tendinopathy (tendon pain and dysfunction), or jumper's knee is prevalent in adult jumping athletes. Pathology in the proximal patellar tendon is a key risk factor for developing patellar tendinopathy. When pathology develops in the proximal patellar tendon is not known, though it is reported to exist in adolescent athletes. The aim of this study was to follow young jumping athletes (ballet dancers) through adolescence to identify if pathology develops and its relation to the adolescent growth spurt...
April 15, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29623052/the-relationship-between-range-of-motion-and-injuries-in-adolescent-dancers-and-sportspersons-a-systematic-review
#13
Joyce M Storm, Roger Wolman, Eric W P Bakker, Matthew A Wyon
Background: The frequent and intensive training and performance of pre-professional ballet dancers and sportspersons is offered at a time when young ballet dancers and young athletes may be vulnerable to injury due to the progress through adolescence and growth spurts. Hypothesis: There are changes in range of motion during the progress through adolescence and growth periods in dancers and sportspersons. These changes in ROM can be linked to the increase of injury. Objectives: The primary aim of this systematic review is to determine whether there are changes in ROM during the progress through adolescence and growth spurts in dancers and sportspersons...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29596605/evaluation-of-voriconazole-anti-acanthamoeba-polyphaga-in-vitro-activity-rat-cornea-penetration-and-efficacy-against-experimental-rat-acanthamoeba-keratitis
#14
Julie Gueudry, Laetitia Le Goff, Patricia Compagnon, Sabine Lefevre, Elodie Colasse, Camille Aknine, François Duval, Arnaud François, Romy Razakandrainibe, Jean Jacques Ballet, Marc Muraine, Loïc Favennec
Background: Acanthamoeba keratitis (AK) is a sight-threatening infectious disease. Its effective and safe medical therapy remains highly debated. Recently, voriconazole, a monotriazole with noted in vitro activity against a large variety of fungi, has been successfully used both topically and systemically to treat human AK cases. Objectives: To measure anti-Acanthamoeba polyphaga in vitro activity, anti-rat AK efficiency and rat cornea penetration of eye-drop and oral voriconazole...
March 27, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29596411/common-occurrence-of-cryptosporidium-hominis-in-asymptomatic-and-symptomatic-calves-in-france
#15
Romy Razakandrainibe, El Hadji Ibrahima Diawara, Damien Costa, Laetitia Le Goff, Denis Lemeteil, Jean Jacques Ballet, Gilles Gargala, Loïc Favennec
BACKGROUND: Cryptosporidium spp. are infections the most frequent parasitic cause of diarrhea in humans and cattle. However, asymptomatic cases are less often documented than symptomatic cases or cases with experimentally infected animals. Cryptosporidium (C.) hominis infection accounts for the majority of pediatric cases in several countries, while C. parvum is a major cause of diarrhea in neonatal calves. In cattle Cryptosporidium spp. infection can be caused by C. parvum, C. bovis, C...
March 29, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29578868/hip-joint-effusion-synovitis-is-associated-with-hip-pain-and-sports-recreation-function-in-female-professional-ballet-dancers
#16
Susan Mayes, April-Rose Ferris, Peter Smith, Jill Cook
OBJECTIVE: To compare hip joint effusion-synovitis prevalence in professional ballet dancers with nondancing athletes and to evaluate the relationship between effusion-synovitis and clinical measures and cartilage defects. DESIGN: Case-control study. SETTING: Elite ballet and sport. PARTICIPANTS: Forty-nine professional ballet dancers and 49 age-matched and sex-matched athletes. INDEPENDENT VARIABLES: Group (dancers/athletes), sex, age, years of training, Copenhagen Hip and Groin Outcome Scores (HAGOSs), hip rotation range of motion (ROM), generalized joint hypermobility (GJH), and hip cartilage defect scores...
March 23, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29528113/bromotryptophans-and-their-incorporation-in-cyclic-and-bicyclic-privileged-peptides
#17
Júlia García-Pindado, Tom Willemse, Rebecca Goss, Bert U W Maes, Ernest Giralt, Steven Ballet, Meritxell Teixidó
While revisiting biologically active natural peptides, the importance of the tryptophan residue became clear. In this article, the incorporation of this amino acid, brominated at different positions of the indole ring, into cyclic peptides was successfully achieved. These products demonstrated improved properties in terms of passive diffusion, permeability across membranes, biostability in human serum and cytotoxicity. Moreover, these brominated tryptophans at positions 5, 6, or 7 proved to be compatible as building blocks to prepare bicyclic stapled peptides by performing on-resin Suzuki-Miyaura cross-coupling reactions...
March 12, 2018: Biopolymers
https://www.readbyqxmd.com/read/29526411/bone-mineral-density-in-pre-professional-female-ballet-dancers-a-systematic-review-and-meta-analysis
#18
REVIEW
Michael A Wewege, Rachel E Ward
OBJECTIVES: To quantitatively compare bone mineral density (BMD) outcomes between pre-professional female adolescent ballet dancers and control populations. DESIGN: Systematic review and meta-analysis. METHODS: Six electronic databases and relevant journals were systematically searched up to August 2017. Included articles examined BMD in adolescent females undergoing pre-professional ballet training and healthy age-matched controls with an available English full text...
March 2, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29526410/impingement-type-bony-morphology-was-related-to-cartilage-defects-but-not-pain-in-professional-ballet-dancers-hips
#19
Susan Mayes, Peter Smith, Jill Cook
OBJECTIVES: Professional ballet dancers may have hip bony morphology that predisposes them to cartilage or labral injury. However, the relationship between bony morphology and pathology has not been investigated in ballet. This study investigates associations between bony morphology, chondrolabral defects and hip pain in ballet dancers. DESIGN: Cross-sectional study. METHODS: 33 male and female professional ballet dancers, (mean age 27 years (range 19-39)), completed questionnaires with hip pain measured on a visual analogue scale; and underwent 3...
March 3, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29522573/octreotide-modulates-the-expression-of-somatostatin-receptor-subtypes-in-inflamed-rat-jejunum-induced-by-cryptosporidium-parvum
#20
Jie Bai, Xin Liu, Le Goff Laetitia, Gargala Gilles, Francois Arnaud, Ballet Jean Jacques, Ducrotte Phillipe, Favennec Loic, Liqianhai Towledahong
Somatostatins are proteins that are involved in gastrointestinal function. However, little is known with regard to somatostatin receptor subtype (SSTR) expression changes that occur in the jejunum during low-grade inflammation and during subsequent octreotide treatment. The aim of the present study was to investigate the expression of SSTRs in the jejunums of Cryptosporidium parvum (C. parvum)-infected rats by immunohistochemisty, reverse transcription (RT) PCR and quantitative real-time RT-PCR assays. Five-day-old suckling Sprague-Dawley rats (n = 15 for each group) were orally gavaged with 105 Nouzilly isolate (NoI) oocysts...
2018: PloS One
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