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https://www.readbyqxmd.com/read/27910205/neurosurgical-robotic-arm-drilling-navigation-system
#1
Chung-Chih Lin, Hsin-Cheng Lin, Wen-Yo Lee, Shih-Tseng Lee, Chieh-Tsai Wu
BACKGROUND: The aim of this work was to develop a neurosurgical robotic arm drilling navigation system that provides assistance throughout the complete bone drilling process. METHODS: The system comprised neurosurgical robotic arm navigation combining robotic and surgical navigation, 3D medical imaging based surgical planning that could identify lesion location and plan the surgical path on 3D images, and automatic bone drilling control that would stop drilling when the bone was to be drilled-through...
December 2, 2016: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/27905159/the-interaction-of-sleep-and-amyloid-deposition-on-cognitive-performance
#2
Jennifer R V Molano, Catherine M Roe, Yo-El S Ju
Sleep difficulties are emerging as a risk factor for dementia. This study examined the effect of sleep and amyloid deposition on cognitive performance in cognitively normal adults. Sleep efficiency was determined by actigraphy. Cerebrospinal fluid Aβ42 levels <500 pg mL(-1) , indicating amyloid deposition, was present in 23 participants. Psychometric tests included the Free and Cued Selective Reminding Test, Trail Making Test A and B, Animal Fluency, Letter Number Sequencing, and the Mini Mental State Examination...
December 1, 2016: Journal of Sleep Research
https://www.readbyqxmd.com/read/27897402/the-impact-of-ageing-physical-activity-and-pre-frailty-on-skeletal-muscle-phenotype-mitochondrial-content-and-intramyocellular-lipids-in-men
#3
Félix St-Jean-Pelletier, Charlotte H Pion, Jean-Philippe Leduc-Gaudet, Nicolas Sgarioto, Igor Zovilé, Sébastien Barbat-Artigas, Olivier Reynaud, Feras Alkaterji, François C Lemieux, Alexis Grenon, Pierrette Gaudreau, Russell T Hepple, Stéphanie Chevalier, Marc Belanger, José A Morais, Mylène Aubertin-Leheudre, Gilles Gouspillou
BACKGROUND: The exact impact of ageing on skeletal muscle phenotype and mitochondrial and lipid content remains controversial, probably because physical activity, which greatly influences muscle physiology, is rarely accounted for. The present study was therefore designed to investigate the effects of ageing, physical activity, and pre-frailty on skeletal muscle phenotype, and mitochondrial and intramyocellular lipid content in men. METHODS: Recreationally active young adult (20-30 yo; YA); active (ACT) and sedentary (SED) middle-age (50-65 yo; MA-ACT and MA-SED); and older (65 + yo; 65 + ACT and 65 + SED) and pre-frail older (65 + PF) men were recruited...
September 2, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27896509/shape-and-enhancement-characteristics-of-pancreatic-neuroendocrine-tumor-on-preoperative-contrast-enhanced-computed-tomography-may-be-prognostic-indicators
#4
Hirohisa Okabe, Daisuke Hashimoto, Akira Chikamoto, Morikatsu Yoshida, Katsunobu Taki, Kota Arima, Katsunori Imai, Yoshitaka Tamura, Osamu Ikeda, Takatoshi Ishiko, Hideaki Uchiyama, Toru Ikegami, Norifumi Harimoto, Shinji Itoh, Yo-Ichi Yamashita, Tomoharu Yoshizumi, Toru Beppu, Yasuyuki Yamashita, Hideo Baba, Yoshihiko Maehara
BACKGROUND: Prognostic indicators of the malignant potential of pancreatic neuroendocrine tumors (PNET) are limited. We assessed tumor shape and enhancement pattern on contrast-enhanced computed tomography as predictors of malignant potential. METHODS: Sixty cases of PNET patients undergoing curative surgery from 2001 to 2014 were enrolled onto our retrospective study. Preoperative enhanced CTs were assessed, and criteria defined for regularly shaped and enhancing tumors (group 1), and irregularly shaped and/or enhancing tumors (group 2)...
November 28, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27890332/impact-of-hospital-transfer-on-surgical-outcomes-of-intestinal-atresia
#5
T Erickson, P G Vana, B A Blanco, S A Brownlee, H N Paddock, P C Kuo, A N Kothari
BACKGROUND: Examine effects of hospital transfer into a quaternary care center on surgical outcomes of intestinal atresia. METHODS: Children <1 yo principally diagnosed with intestinal atresia were identified using the Kids' Inpatient Database (2012). Exposure variable was patient transfer status. Outcomes measured were inpatient mortality, hospital length of stay (LOS) and discharge status. Linearized standard errors, design-based F tests, and multivariable logistic regression were performed...
November 12, 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27882370/anti-obesity-effects-of-arctii-fructus-arctium-lappa-in-white-brown-adipocytes-and-high-fat-diet-induced-obese-mice
#6
Yo-Han Han, Ji-Ye Kee, Dae-Seung Kim, Jinbong Park, Mi-Young Jeong, Jung-Geon Mun, Sung-Joo Park, Jong-Hyun Lee, Jae-Young Um, Seung-Heon Hong
Arctii Fructus is traditionally used in oriental pharmacies as an anti-inflammatory medicine. Although several studies have shown its anti-inflammatory effects, there have been no reports on its use in obesity related studies. In this study, the anti-obesity effect of Arctii Fructus was investigated in high-fat diet (HFD)-induced obese mice, and the effect was confirmed in white and primary cultured brown adipocytes. Arctii Fructus inhibited weight gain and reduced the mass of white adipose tissue in HFD-induced obese mice...
November 24, 2016: Food & Function
https://www.readbyqxmd.com/read/27882366/a-highly-active-and-stable-palladium-catalyst-on-a-g-c3n4-support-for-direct-formic-acid-synthesis-under-neutral-conditions
#7
Hunmin Park, Ju Hyung Lee, Eun Hyup Kim, Kwang Young Kim, Yo Han Choi, Duck Hyun Youn, Jae Sung Lee
Graphitic carbon nitride (g-C3N4) is applied as a support of the Pd catalyst for direct HCOOH synthesis by CO2 hydrogenation under neutral conditions. The high CO2 affinity of g-C3N4 is responsible for the enhanced catalytic activity and stability relative to the inert support such as a carbon nanotube.
November 24, 2016: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/27876565/magnesium-chloride-and-polyamine-can-differentiate-mouse-embryonic-stem-cells-into-trophectoderm-or-endoderm
#8
Jun-Ichi Tanase, Takehiro Yokoo, Yuuki Matsumura, Makoto Kinoshita, Yo Kikuchi, Hirofumi Suemori, Takashi Ohyama
Magnesium chloride and polyamines stabilize DNA and chromatin. Furthermore, they can induce nucleosome aggregation and chromatin condensation in vitro. To determine the effects of elevating the cation concentrations in the nucleus of a living cell, we microinjected various concentrations of mono-, di- and polyvalent cation solutions into the nuclei of mouse embryonic stem (ES) cells and traced their fates. Here, we show that an elevation of either MgCl2, spermidine or spermine concentration in the nucleus exerts a significant effect on mouse ES cells, and can differentiate a certain population of the cells into trophectoderm, a lineage that mouse ES cells do not normally generate, or endoderm...
November 19, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27876181/analysis-of-suboptimal-stent-deployment-using-intravascular-ultrasound-and-coronary-pressure-pullback-measurement
#9
Nobuhiro Tanaka, Nico H J Pijls, Jun Yamashita, Yo Kimura, Masashi Ogawa, Naotaka Murata, Kunihiro Sakoda, Kou Hoshino, Youhei Hokama, Akira Yamashina
BACKGROUND: There are some cases in whom a sufficient improvement in fractional flow reserve (FFR) could not be achieved even if anatomical results indicated satisfactory stent deployment. We investigated the relation of abnormal findings between intravascular ultrasound (IVUS) and coronary pressure pullback measurement (CP-PB). METHODS: IVUS and CP-PB were investigated after stent deployment in 60 vessels in 53 patients. CP-PB criterion for adequate stent deployment was defined as a ratio of coronary pressure at the stent distal edge to the proximal edge (Psd/Psp) that is greater than 0...
November 18, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/27874200/two-patients-with-gmppb-mutation-the-overlapping-phenotypes-of-limb-girdle-myasthenic-syndrome-and-lgmd2t-dystroglycanopathy
#10
Federica Montagnese, Elisabeth Klupp, Dimitrios C Karampinos, Saskia Biskup, Dieter Gläser, Jan S Kirschke, Benedikt Schoser
INTRODUCTION: Mutations in the GDP-mannose pyrophosphorylase-B gene (GMPPB) have been identified in congenital muscular dystrophies (CMDs), limb-girdle muscular dystrophy (LGMD2T), and congenital myasthenic syndromes (CMSs); overall, 41 patients have been described. METHODS: Two patients presented with a myasthenic syndrome (patient 1, 74-year-old) and rhabdomyolysis (patient 2, 23-year-old). Examinations included repetitive nerve stimulation, muscle biopsy and whole-body MRI (WBMRI); next generation sequencing facilitated diagnosis...
November 22, 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/27870695/validity-and-reliability-of-a-submaximal-intermittent-running-test-in-elite-australian-football-players
#11
Kristopher R Veugelers, Geraldine A Naughton, Craig S Duncan, Darren J Burgess, Stuart R Graham
Veugelers, KR, Naughton, GA, Duncan, CS, Burgess, DJ, and Graham, SR. Validity and reliability of a submaximal intermittent running test in elite Australian football players. J Strength Cond Res 30(12): 3347-3353, 2016-The aim of this article was to determine the validity and reliability of a submaximal intermittent running (SIR) test in elite Australian rules football (ARF) players. Heart rate (HR) responses of 38 elite ARF players to both the SIR and the yo-yo intermittent recovery 2 (YYIR2) tests were compared over 2 trials...
December 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27856198/the-acute-chonic-workload-ratio-in-relation-to-injury-risk-in-professional-soccer
#12
Shane Malone, Adam Owen, Matt Newton, Bruno Mendes, Kieran D Collins, Tim J Gabbett
OBJECTIVES: To examine the association between combined sRPE measures and injury risk in elite professional soccer. DESIGN: Observational cohort study. METHODS: Forty-eight professional soccer players (mean±SD age of 25.3±3.1 yr) from two elite European teams were involved within a one season study. Players completed a test of intermittent-aerobic capacity (Yo-YoIR1) to assess player's injury risk in relation to intermittent aerobic capacity...
November 9, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/27855734/pareidolias-in-effectiveness-of-benzodiazepine-receptor-agonists-in-the-treatment-of-insomnia-an-examination-of-response-and-remission-rates
#13
Vivek Pillai, Thomas Roth, Timothy Roehrs, Kenneth Moss, Edward L Peterson, Christopher L Drake
STUDY OBJECTIVES: To examine the real-world effectiveness of benzodiazepine receptor agonists (BzRAs) by quantifying response and remission rates in a clinical sample receiving chronic BzRA treatment for insomnia. METHODS: Participants were outpatients (N = 193; 72% female; 55.2 ± 11.1 yo) who had an insomnia diagnosis per medical records, and who were taking a therapeutic dose of BzRA for their insomnia. Endpoints were nocturnal sleep disturbance and Insomnia Severity Index (ISI) scores...
October 28, 2016: Sleep
https://www.readbyqxmd.com/read/27855200/mammalian-specific-central-myelin-protein-opalin-is-redundant-for-normal-myelination-structural-and-behavioral-assessments
#14
Fumio Yoshikawa, Yumi Sato, Koujiro Tohyama, Takumi Akagi, Tamio Furuse, Tetsushi Sadakata, Mika Tanaka, Yo Shinoda, Tsutomu Hashikawa, Shigeyoshi Itohara, Yoshitake Sano, M Said Ghandour, Shigeharu Wakana, Teiichi Furuichi
Opalin, a central nervous system-specific myelin protein phylogenetically unique to mammals, has been suggested to play a role in mammalian-specific myelin. To elucidate the role of Opalin in mammalian myelin, we disrupted the Opalin gene in mice and analyzed the impacts on myelination and behavior. Opalin-knockout (Opalin-/-) mice were born at a Mendelian ratio and had a normal body shape and weight. Interestingly, Opalin-/- mice had no obvious abnormalities in major myelin protein compositions, expression of oligodendrocyte lineage markers, or domain organization of myelinated axons compared with WT mice (Opalin+/+) mice...
2016: PloS One
https://www.readbyqxmd.com/read/27855169/notch2-signaling-regulates-the-proliferation-of-murine-bone-marrow-derived-mesenchymal-stem-stromal-cells-via-c-myc-expression
#15
Yukio Sato, Yo Mabuchi, Kenichi Miyamoto, Daisuke Araki, Kunimichi Niibe, Diarmaid D Houlihan, Satoru Morikawa, Taneaki Nakagawa, Toshihiro Nakajima, Chihiro Akazawa, Shingo Hori, Hideyuki Okano, Yumi Matsuzaki
Mesenchymal stem/stromal cells (MSCs) reside in the bone marrow and maintain their stemness under hypoxic conditions. However, the mechanism underlying the effects of hypoxia on MSCs remains to be elucidated. This study attempted to uncover the signaling pathway of MSC proliferation. Under low-oxygen culture conditions, MSCs maintained their proliferation and differentiation abilities for a long term. The Notch2 receptor was up-regulated in MSCs under hypoxic conditions. Notch2-knockdown (Notch2-KD) MSCs lost their cellular proliferation ability and showed reduced gene expression of hypoxia-inducible transcription factor (HIF)-1α, HIF-2α, and c-Myc...
2016: PloS One
https://www.readbyqxmd.com/read/27849114/effects-of-in-season-short-term-aerobic-and-high-intensity-interval-training-program-on-repeated-sprint-ability-and-jump-performance-in-handball-players
#16
Souhail Hermassi, Jørgen Ingebrigtsen, René Schwesig, Georg Fieseler, Karl S Delank, Karim Chamari, Roy J Shephard, Mohamed S Chelly
BACKGROUND: This study examined the effects of a 7-week in-season aerobic and high-intensity interval-training program on performance tests linked to successful handball play (e.g., repeated sprint and jumping ability). METHODS: Thirty participants (age 17.0 ± 1.2 years, body mass 81.1 ± 3.4 kg, height 1.82± 0.07 m) performed a Yo-Yo Intermittent Recovery Test level 1 (Yo-Yo IR1), a squat (SJ) and a countermovement jump test (CMJ), as well as a repeated sprint ability test (RSA)...
November 16, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27847268/uva-and-uvb-induce-different-sets-of-long-non-coding-rnas
#17
Kazuyuki Yo, Thomas M Rünger
No abstract text is available yet for this article.
November 12, 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27844031/clinical-and-biophysical-characterization-of-19-gjb1-mutations
#18
Pei-Chien Tsai, De-Ming Yang, Yi-Chu Liao, Tai-Yu Chiu, Hung-Chou Kuo, Yu-Ping Su, Yuh-Cherng Guo, Bing-Wen Soong, Kon-Ping Lin, Yo-Tsen Liu, Yi-Chung Lee
OBJECTIVE: Charcot-Marie-Tooth disease type X1 (CMTX1), which is caused by mutations in the gap junction (GJ) protein beta-1 gene (GJB1), is the second most common form of Charcot-Marie-Tooth disease (CMT). GJB1 encodes the GJ beta-1 protein (GJB1), which forms GJs within the myelin sheaths of peripheral nerves. The process by which GJB1 mutants cause neuropathy has not been fully elucidated. This study evaluated the biophysical characteristics of GJB1 mutants and their correlations with the clinical features of CMTX1 patients...
November 2016: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/27831912/challenges-in-reducing-group-b-streptococcus-disease-in-african-settings
#19
Yo Nishihara, Ziyaad Dangor, Neil French, Shabir Madhi, Robert Heyderman
Group B Streptococcus (GBS) is a leading cause of neonatal sepsis and meningitis in high-income settings and is associated with high rates of neonatal mortality and morbidity. There is now increasing evidence to suggest that there is a high GBS disease burden in resource-limited countries, and it is therefore critically important to identify suitable and practical preventive strategies. In Europe and North America, intrapartum antibiotic prophylaxis (IAP) has led to a dramatic reduction of early-onset GBS disease...
October 18, 2016: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/27829062/early-and-non-invasive-detection-of-chronic-wasting-disease-prions-in-elk-feces-by-real-time-quaking-induced-conversion
#20
Yo Ching Cheng, Samia Hannaoui, Theodore R John, Sandor Dudas, Stefanie Czub, Sabine Gilch
Chronic wasting disease (CWD) is a fatal prion disease of wild and captive cervids in North America. Prions are infectious agents composed of a misfolded version of a host-encoded protein, termed PrPSc. Infected cervids excrete and secrete prions, contributing to lateral transmission. Geographical distribution is expanding and case numbers in wild cervids are increasing. Recently, the first European cases of CWD have been reported in a wild reindeer and two moose from Norway. Therefore, methods to detect the infection early in the incubation time using easily available samples are desirable to facilitate effective disease management...
2016: PloS One
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