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https://www.readbyqxmd.com/read/28727640/no-seasonal-changes-in-cognitive-functioning-among-high-school-football-athletes-implementation-of-a-novel-electrophysiological-measure-and-standard-clinical-measures
#1
Steven P Broglio, Richelle Williams, Ashley Rettmann, Brandon Moore, James T Eckner, Sean Meehan
OBJECTIVE: To evaluate neuroelectric and cognitive function relative to a season of football participation. Cognitive and neuroelectric function declines are hypothesized to be present in football athletes. DESIGN: Observational. SETTING: Athletic fields and research laboratory. PATIENTS (OR PARTICIPANTS): Seventy-seven high school athletes (15.9 + 0.9 years, 178.6 + 7.2 cm, 74.4 + 14.7 kg, and 0.8 + 0.8 self-reported concussions) participating in football (n = 46) and noncontact sports (n = 31)...
July 14, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28726621/characterization-of-fitzroy-river-virus-and-serologic-evidence-of-human-and-animal-infection
#2
Cheryl A Johansen, Simon H Williams, Lorna F Melville, Jay Nicholson, Roy A Hall, Helle Bielefeldt-Ohmann, Natalie A Prow, Glenys R Chidlow, Shani Wong, Rohini Sinha, David T Williams, W Ian Lipkin, David W Smith
In northern Western Australia in 2011 and 2012, surveillance detected a novel arbovirus in mosquitoes. Genetic and phenotypic analyses confirmed that the new flavivirus, named Fitzroy River virus, is related to Sepik virus and Wesselsbron virus, in the yellow fever virus group. Most (81%) isolates came from Aedes normanensis mosquitoes, providing circumstantial evidence of the probable vector. In cell culture, Fitzroy River virus replicated in mosquito (C6/36), mammalian (Vero, PSEK, and BSR), and avian (DF-1) cells...
August 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28726600/age-and-sex-associated-differences-in-phenotypic-and-functional-characteristics-of-peripheral-blood-lymphocytes-in-chimpanzees-pan-troglodytes
#3
Pramod Nehete, Elizabeth Magden, Bharti Nehete, Lawrence Williams, Christian Abee, K Sastry
Chimpanzees are the closest phylogenetic relatives to humans, sharing more than 98% genetic sequence identity. Thesegenetic similarities prompted the belief that chimpanzees can serve as an ideal model for human disease conditions andvaccine development. However, in light of the recent NIH decision to phase out biomedical research in chimpanzees and retire NIH-supported chimpanzees, data from the present study will continue to provide value for the care of aged and sick chimpanzees located in zoos, sanctuaries, and primate centers...
July 19, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28726599/improving-patient-experiences-of-mental-health-inpatient-care-a-randomised-controlled-trial
#4
T Wykes, E Csipke, P Williams, L Koeser, S Nash, D Rose, T Craig, P McCrone
BACKGROUND: Poorer patient views of mental health inpatient treatment predict both further admissions and, for those admitted involuntarily, longer admissions. As advocated in the UK Francis report, we investigated the hypothesis that improving staff training improves patients' views of ward care. METHOD: Cluster randomised trial with stepped wedge design in 16 acute mental health wards randomised (using the ralloc procedure in Stata) by an independent statistician in three waves to staff training...
July 20, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28726544/evaluating-wais-iv-structure-through-a-different-psychometric-lens-structural-causal-model-discovery-as-an-alternative-to-confirmatory-factor-analysis
#5
Marjolein J A M van Dijk, Tom Claassen, Christiany Suwartono, William M van der Veld, Paul T van der Heijden, Marc P H Hendriks
OBJECTIVE: Since the publication of the WAIS-IV in the U.S. in 2008, efforts have been made to explore the structural validity by applying factor analysis to various samples. This study aims to achieve a more fine-grained understanding of the structure of the Dutch language version of the WAIS-IV (WAIS-IV-NL) by applying an alternative analysis based on causal modeling in addition to confirmatory factor analysis (CFA). The Bayesian Constraint-based Causal Discovery (BCCD) algorithm learns underlying network structures directly from data and assesses more complex structures than is possible with factor analysis...
July 20, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28725504/patients-at-increased-risk-of-major-adverse-events-following-operative-treatment-of-distal-radius-fractures-inpatient-versus-outpatient
#6
Paul S Whiting, Christopher D Rice, Frank R Avilucea, Catherine M Bulka, Michelle S Shen, William T Obremskey, Manish K Sethi
Purpose  The purpose of this study was to compare complication rates following inpatient versus outpatient distal radius fracture ORIF and identify specific complications that occur at increased rates among inpatients. Methods  Using the 2005-2013 ACS-NSQIP, we collected patient demographics, comorbidities, surgical characteristics, and 30-day postoperative complications following isolated ORIF of distal radius fractures. A propensity score matched design using an 8-to-1 "greedy" matching algorithm in a 1:4 ratio of inpatients to outpatients was utilized...
August 2017: Journal of Wrist Surgery
https://www.readbyqxmd.com/read/28724796/host-interleukin-6-production-regulates-inflammation-but-not-tryptophan-metabolism-in-the-brain-during-murine-gvhd
#7
Ludovic Belle, Vivian Zhou, Kara L Stuhr, Margaret Beatka, Emily M Siebers, Jennifer M Knight, Michael W Lawlor, Casey Weaver, Misato Hashizume, Cecilia J Hillard, William R Drobyski
Graft-versus-host disease (GVHD) induces pathological damage in peripheral target organs leading to well-characterized, organ-specific clinical manifestations. Patients with GVHD, however, can also have behavioral alterations that affect overall cognitive function, but the extent to which GVHD alters inflammatory and biochemical pathways in the brain remain poorly understood. In the current study, we employed complementary murine GVHD models to demonstrate that alloreactive donor T cells accumulate in the brain and affect a proinflammatory cytokine milieu that is associated with specific behavioral abnormalities...
July 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28724769/stlv-1-infection-of-papio-anubis-tax-sequence-heterogeneity-and-t-cell-recognition
#8
James M Termini, Diogo M Magnani, Helen S Maxwell, William Lauer, Iris Castro, Jerilyn Pecotte, Glen N Barber, David I Watkins, Ronald C Desrosiers
Natural infection of baboons with simian T lymphotropic virus (STLV) is a potentially useful model system for study of vaccination against the human virus HTLV. Here we expand the number of available full-length STLV-1 baboon sequences from one to three and relate T cell responses that recognize the immunodominant Tax protein to the tax sequences present in two individual baboons. Continuously growing T cell lines were established from two baboons, 12141 and 12752. Next-generation sequencing (NGS) of complete STLV genome sequences from these lines revealed them to be closely related but distinct from each other and from the STLV-1 baboon sequence in the NCBI sequence database...
July 19, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28724724/brct-domain-protein-brit1-influences-class-switch-recombination
#9
Wei-Feng Yen, Ashutosh Chaudhry, Bharat Vaidyanathan, William T Yewdell, Joseph N Pucella, Rahul Sharma, Yulong Liang, Kaiyi Li, Alexander Y Rudensky, Jayanta Chaudhuri
DNA double-strand breaks (DSBs) serve as obligatory intermediates for Ig heavy chain (Igh) class switch recombination (CSR). The mechanisms by which DSBs are resolved to promote long-range DNA end-joining while suppressing genomic instability inherently associated with DSBs are yet to be fully elucidated. Here, we use a targeted short-hairpin RNA screen in a B-cell lymphoma line to identify the BRCT-domain protein BRIT1 as an effector of CSR. We show that conditional genetic deletion of BRIT1 in mice leads to a marked increase in unrepaired Igh breaks and a significant reduction in CSR in ex vivo activated splenic B cells...
July 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28723708/subclinical-herpesvirus-shedding-among-hiv-1-infected-men-on-antiretroviral-therapy
#10
Arcadio Agudelo-Hernandez, Yue Chen, Arlene Bullotta, William G Buchanan, Cynthia R Klamar-Blain, Luann Borowski, Sharon A Riddler, Charles R Rinaldo, Bernard Jc Macatangay
DESIGN: We evaluated the subclinical shedding of 6 different herpesviruses in antiretroviral drug-treated HIV(+) men who have sex with men (MSM), and determined how this is associated with markers of inflammation and immune activation. METHODS: We obtained blood, semen, throat washing, urine, and stool from 15 antiretroviral-treated HIV-1-infected MSM with CD4 T cell reconstitution, and 12 age-matched HIV(-) MSM from the Multicenter AIDS Cohort Study at 4 timepoints over 24 weeks to measure DNA levels of cytomegalovirus (CMV), Epstein-Barr virus (EBV), herpes simplex virus 1 and 2, human herpesvirus 6 (HHV6), and HHV8...
July 18, 2017: AIDS
https://www.readbyqxmd.com/read/28722215/synthesis-of-cyclic-peptide-mimetics-via-the-successive-ring-expansion-of-lactams
#11
Thomas C Stephens, Mahendar Lodi, Andrew M Steer, Yun Lin, Matthew T Gill, William Paul Unsworth
A successive ring expansion protocol is reported that enables the controlled insertion of natural and non-natural amino acid fragments into lactams. Amino acids can be installed into macrocycles via an operationally simple and scalable iterative procedure, without the need for high dilution. This method is expected to be of broad utility, especially for the synthesis of medicinally important cyclic peptide mimetics.
July 19, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28721555/the-value-of-physical-performance-measurements-alongside-assessment-of-sarcopenia-in-predicting-receipt-and-completion-of-planned-treatment-in-non-small-cell-lung-cancer-an-observational-exploratory-study
#12
Jemima T Collins, Simon Noble, John Chester, Helen E Davies, William D Evans, Daniel Farewell, Jason F Lester, Diane Parry, Rebecca Pettit, Anthony Byrne
INTRODUCTION: The presence of muscle mass depletion is associated with poor outcomes and survival in cancer. Alongside muscle mass, assessment of muscle strength or physical performance is essential for the diagnosis of sarcopenia. Non-small cell lung cancer (NSCLC) is a prevalent form of cancer with high mortality, and Eastern Cooperative Oncology Group (ECOG) Performance Status (PS) is commonly used to assess patients' suitability for treatment. However, a significant proportion of patients with good PS are unable to complete multidisciplinary team (MDT)-planned treatment...
July 18, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28720525/motor-resonance-during-action-observation-is-gaze-contingent-a-tms-study
#13
Giorgia D'Innocenzo, Claudia C Gonzalez, Alexander V Nowicky, A Mark Williams, Daniel T Bishop
When we observe others performing an action, visual input to our mirror neuron system is reflected in the facilitation of primary motor cortex (M1), a phenomenon known as 'motor resonance'. However, it is unclear whether this motor resonance is contingent upon our point-of-gaze. In order to address this issue, we collected gaze data from participants as they viewed an intransitive action - thumb abduction/adduction - under four conditions: with natural gaze behaviour (free viewing) and with their gaze fixated on each of three predetermined loci at various distances from the prime mover...
July 15, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28720228/percent-weight-reduction-required-to-achieve-minimal-clinically-important-improvements-in-health-related-quality-of-life-among-african-americans-a-secondary-analysis-of-the-fit-body-and-soul-study
#14
Jane T Garvin, Lovoria B Williams, Thomas V Joshua, Stephen W Looney, Lucy N Marion
OBJECTIVE: To calculate the percent weight reduction required to achieve minimal clinically important improvement (MCII) in health-related quality of life (HRQOL). DESIGN: Secondary data analysis from the longitudinal cohort of a single-blinded, cluster-randomized community trial to test the efficacy of the faith-based adaptation of the Diabetes Prevention Program. SETTING: African-American churches. PARTICIPANTS: This study included 472 congregants with a body mass index of ≥25 and fasting plasma glucose<126mg/dl...
August 2017: Applied Nursing Research: ANR
https://www.readbyqxmd.com/read/28719697/diagnosis-and-management-of-asthma-in-adults-a-review
#15
Jennifer L McCracken, Sreenivas P Veeranki, Bill T Ameredes, William J Calhoun
Importance: Asthma affects about 7.5% of the adult population. Evidence-based diagnosis, monitoring, and treatment can improve functioning and quality of life in adult patients with asthma. Observations: Asthma is a heterogeneous clinical syndrome primarily affecting the lower respiratory tract, characterized by episodic or persistent symptoms of wheezing, dyspnea, and cough. The diagnosis of asthma requires these symptoms and demonstration of reversible airway obstruction using spirometry...
July 18, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28719456/warning-criteria-for-intraoperative-neurophysiologic-monitoring
#16
Quanmeng Liu, Qinzhou Wang, Hongen Liu, William K K Wu, Matthew T V Chan
PURPOSE OF REVIEW: Intraoperative changes in somatosensory (SEP) and motor evoked potentials (MEPs) may indicate potential injury to the spinal cord and will require timely intervention to prevent permanent damage. This review focuses on the validity of currently recommended warning criteria for intraoperative evoked potential monitoring. RECENT FINDINGS: Current guideline recommends a decrease in SEP amplitude by 50% and MEP amplitude by 50-100% as warning signals for injury to the ascending sensory and descending motor pathway, respectively...
July 15, 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28719152/a-first-in-human-phase-i-multicenter-open-label-dose-escalation-study-of-the-oral-raf-vegfr-2-inhibitor-raf265-in-locally-advanced-or-metastatic-melanoma-independent-from-braf-mutation-status
#17
Benjamin Izar, William Sharfman, F Stephen Hodi, Donald Lawrence, Keith T Flaherty, Ravi Amaravadi, Kevin B Kim, Igor Puzanov, Jeffrey Sosman, Reinhard Dummer, Simone M Goldinger, Lyhping Lam, Shefali Kakar, Zhongwen Tang, Oliver Krieter, David F McDermott, Michael B Atkins
To establish the maximum tolerated dose (MTD), dose-limiting toxicities (DLT), safety profile, and anti-tumor efficacy of RAF265. We conducted a multicenter, open-label, phase-I, dose-escalation trial of RAF265, an orally available RAF kinase/VEGFR-2 inhibitor, in patients with advanced or metastatic melanoma. Pharmacokinetic (PK) analysis, pharmacodynamics (PD) and tumor response assessment were conducted. We evaluated metabolic tumor response by 18[F]-fluorodeoxyglucose-positron-emission tomography (FDG-PET), tissue biomarkers using immunohistochemistry (IHC), and modulators of angiogenesis...
July 18, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28719035/melatonin-inhibits-nucleus-pulposus-np-cell-proliferation-and-extracellular-matrix-ecm-remodeling-via-the-melatonin-membrane-receptors-mediated-pi3k-akt-pathway
#18
Zheng Li, Xingye Li, Chong Chen, Matthew T V Chan, William Ka Kei Wu, Jianxiong Shen
Pinealectomy in vertebrates accelerated intervertebral disc degeneration (IDD). However, the potential mechanisms, particularly, melatonin's role is still to be clarified. In this study, for first time, melatonin membrane receptors of MT1 and MT2 were found to be present in the human intervertebral disc tissues and nucleus pulposus (NP) cells, respectively. Melatonin treatment significantly inhibited NP cell proliferation in dose- dependent manner. Accordingly, melatonin down-regulated gene expression of cyclin D1, PCNA, matrix metallopeptidases-3 and -9 and upregulated gene expression of collagen type II alpha 1 chain and aggrecan in NP cells...
July 18, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28718768/selective-and-regulated-trapping-of-nicotinic-receptor-weak-base-ligands-and-relevance-to-smoking-cessation
#19
Anitha P Govind, Yolanda F Vallejo, Jacob R Stolz, Jing-Zhi Yan, Geoffrey T Swanson, William N Green
To better understand smoking cessation, we examined the actions of varenicline (Chantix) during long-term nicotine exposure. Varenicline reduced nicotine upregulation of α4β2-type nicotinic receptors (α4β2Rs) in live cells and neurons, but not for membrane preparations. Effects on upregulation depended on intracellular pH homeostasis and were not observed if acidic pH in intracellular compartments was neutralized. Varenicline was trapped as a weak base in acidic compartments and slowly released, blocking (125)I-epibatidine binding and desensitizing α4β2Rs...
July 18, 2017: ELife
https://www.readbyqxmd.com/read/28718762/sec17-sec18-act-twice-enhancing-membrane-fusion-and-then-disassembling-cis-snare-complexes
#20
Hongki Song, Amy S Orr, Mengtong Duan, Alexey J Merz, William T Wickner
At physiological protein levels, the slow HOPS- and SNARE-dependent fusion which occurs upon complete SNARE zippering is stimulated by Sec17 and Sec18:ATP without requiring ATP hydrolysis. To stimulate, Sec17 needs its central residues which bind the 0-layer of the SNARE complex and its N-terminal apolar loop. Adding a transmembrane anchor to the N-terminus of Sec17 bypasses this requirement for apolarity of the Sec17 loop, suggesting that the loop functions for membrane binding rather than to trigger bilayer rearrangement...
July 18, 2017: ELife
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