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J Miller

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https://www.readbyqxmd.com/read/28434159/decreased-hemispheric-connectivity-and-decreased-intra-and-inter-hemisphere-asymmetry-of-resting-state-functional-network-connectivity-in-schizophrenia
#1
O Agcaoglu, R Miller, E Damaraju, B Rashid, J Bustillo, M S Cetin, T G M Van Erp, S McEwen, A Preda, J M Ford, K O Lim, D S Manoach, D H Mathalon, S G Potkin, V D Calhoun
Many studies have shown that schizophrenia patients have aberrant functional network connectivity (FNC) among brain regions, suggesting schizophrenia manifests with significantly diminished (in majority of the cases) connectivity. Schizophrenia is also associated with a lack of hemispheric lateralization. Hoptman et al. (2012) reported lower inter-hemispheric connectivity in schizophrenia patients compared to controls using voxel-mirrored homotopic connectivity. In this study, we merge these two points of views together using a group independent component analysis (gICA)-based approach to generate hemisphere-specific timecourses and calculate intra-hemisphere and inter-hemisphere FNC on a resting state fMRI dataset consisting of age- and gender-balanced 151 schizophrenia patients and 163 healthy controls...
April 22, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28432211/recruiting-and-retaining-youth-and-young-adults-challenges-and-opportunities-in-survey-research-for-tobacco-control
#2
Jennifer Cantrell, Elizabeth C Hair, Alexandria Smith, Morgane Bennett, Jessica Miller Rath, Randall K Thomas, Mansour Fahimi, J Michael Dennis, Donna Vallone
INTRODUCTION: Evaluation studies of population-based tobacco control interventions often rely on large-scale survey data from numerous respondents across many geographic areas to provide evidence of their effectiveness. Significant challenges for survey research have emerged with the evolving communications landscape, particularly for surveying hard-to-reach populations such as youth and young adults. This study combines the comprehensive coverage of an address-based sampling (ABS) frame with the timeliness of online data collection to develop a nationally representative longitudinal cohort of young people aged 15-21...
April 21, 2017: Tobacco Control
https://www.readbyqxmd.com/read/28430697/abusive-head-trauma-and-mortality-an-analysis-from-an-international-comparative-effectiveness-study-of-children-with-severe-traumatic-brain-injury
#3
Nikki Miller Ferguson, Ajit Sarnaik, Darryl Miles, Nadeem Shafi, Mark J Peters, Edward Truemper, Monica S Vavilala, Michael J Bell, Stephen R Wisniewski, James F Luther, Adam L Hartman, Patrick M Kochanek
OBJECTIVES: Small series have suggested that outcomes after abusive head trauma are less favorable than after other injury mechanisms. We sought to determine the impact of abusive head trauma on mortality and identify factors that differentiate children with abusive head trauma from those with traumatic brain injury from other mechanisms. DESIGN: First 200 subjects from the Approaches and Decisions in Acute Pediatric Traumatic Brain Injury Trial-a comparative effectiveness study using an observational, cohort study design...
April 20, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28430550/round-table-on-malignant-hyperthermia-in-physically-active-populations-meeting-proceedings
#4
Yuri Hosokawa, Douglas J Casa, Henry Rosenberg, John F Capacchione, Emmanuel Sagui, Sheila Riazi, Luke N Belval, Patricia A Deuster, John F Jardine, Stavros A Kavouras, Elaine C Lee, Kevin C Miller, Sheila M Muldoon, Francis G O'Connor, Scott R Sailor, Nyamkhishig Sambuughin, Rebecca L Stearns, William M Adams, Robert A Huggins, Lesley W Vandermark
CONTEXT:   Recent case reports on malignant hyperthermia (MH)-like syndrome in physically active populations indicate potential associations among MH, exertional heat stroke (EHS), and exertional rhabdomyolysis (ER). However, an expert consensus for clinicians working with these populations is lacking. OBJECTIVE:   To provide current expert consensus on the (1) definition of MH; (2) history, etiology, and pathophysiology of MH; (3) epidemiology of MH; (4) association of MH with EHS and ER; (5) identification of an MH-like syndrome; (6) recommendations for acute management of an MH-like syndrome; (7) special considerations for physically active populations; and (8) future directions for research...
April 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28430397/respiratory-virus-detection-during-hospitalisation-for-lower-respiratory-tract-infection-in-children-under-2-years-in-south-auckland-new-zealand
#5
Adrian A Trenholme, Emma J Best, Alison M Vogel, Joanna M Stewart, Charissa J Miller, Diana R Lennon
AIM: To describe respiratory virus detection in children under 2 years of age in a population admitted with lower respiratory infection and to assess correlation with measures of severity. METHODS: Nasopharyngeal aspirates from infants admitted with lower respiratory tract infection (n = 1645) over a 3-year time period were tested by polymerase chain reaction. We collected epidemiological and clinical data on all children. We assessed the correlation of presence of virus with length of hospital stay, intensive care admission and consolidation on chest X-ray...
April 21, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28430035/noninvasive-neuromodulation-and-thalamic-mapping-with-low-intensity-focused-ultrasound
#6
Robert F Dallapiazza, Kelsie F Timbie, Stephen Holmberg, Jeremy Gatesman, M Beatriz Lopes, Richard J Price, G Wilson Miller, W Jeffrey Elias
OBJECTIVE Ultrasound can be precisely focused through the intact human skull to target deep regions of the brain for stereotactic ablations. Acoustic energy at much lower intensities is capable of both exciting and inhibiting neural tissues without causing tissue heating or damage. The objective of this study was to demonstrate the effects of low-intensity focused ultrasound (LIFU) for neuromodulation and selective mapping in the thalamus of a large-brain animal. METHODS Ten Yorkshire swine ( Sus scrofa domesticus) were used in this study...
April 21, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28429581/nighttime-is-the-worst-time-parental-fear-of-hypoglycemia-in-young-children-with-type-1-diabetes
#7
Michelle A Van Name, Marisa E Hilliard, Claire T Boyle, Kellee M Miller, Daniel J DeSalvo, Barbara J Anderson, Lori M Laffel, Stephanie E Woerner, Linda A DiMeglio, William V Tamborlane
BACKGROUND: Fear of hypoglycemia is common in parents of young children with type 1 diabetes (T1D), but little is known about the specific fears that parents most often experience. Hypoglycemia fear has been associated with poorer glycemic control in older children, though not yet studied in a large cohort of very young children. MATERIALS AND METHODS: Parents of 549 children <7 years (mean 5.2 ± 1.2 years [19% <3 years]) with a mean diabetes duration of 2...
April 21, 2017: Pediatric Diabetes
https://www.readbyqxmd.com/read/28428973/compression-of-high-density-0-16-pc-electron-bunches-through-high-field-gradients-for-ultrafast-single-shot-electron-diffraction-the-compact-rf-gun
#8
Hazem Daoud, Klaus Floettmann, R J Dwayne Miller
We present an RF gun design for single shot ultrafast electron diffraction experiments that can produce sub-100 fs high-charge electron bunches in the 130 keV energy range. Our simulations show that our proposed half-cell RF cavity is capable of producing 137 keV, 27 fs rms (60 fs FWHM), 10(6) electron bunches with an rms spot size of 276 μm and a transverse coherence length of 2.0 nm. The required operation power is 9.2 kW, significantly lower than conventional rf cavity designs and a key design feature...
July 2017: Structural Dynamics (Melville, N.Y.)
https://www.readbyqxmd.com/read/28428419/iptf16geu-a-multiply-imaged-gravitationally-lensed-type-ia-supernova
#9
A Goobar, R Amanullah, S R Kulkarni, P E Nugent, J Johansson, C Steidel, D Law, E Mörtsell, R Quimby, N Blagorodnova, A Brandeker, Y Cao, A Cooray, R Ferretti, C Fremling, L Hangard, M Kasliwal, T Kupfer, R Lunnan, F Masci, A A Miller, H Nayyeri, J D Neill, E O Ofek, S Papadogiannakis, T Petrushevska, V Ravi, J Sollerman, M Sullivan, F Taddia, R Walters, D Wilson, L Yan, O Yaron
We report the discovery of a multiply imaged, gravitationally lensed type Ia supernova, iPTF16geu (SN 2016geu), at redshift z = 0.409. This phenomenon was identified because the light from the stellar explosion was magnified more than 50 times by the curvature of space around matter in an intervening galaxy. We used high-spatial-resolution observations to resolve four images of the lensed supernova, approximately 0.3 arc seconds from the center of the foreground galaxy. The observations probe a physical scale of ~1 kiloparsec, smaller than is typical in other studies of extragalactic gravitational lensing...
April 21, 2017: Science
https://www.readbyqxmd.com/read/28427989/egocentric-and-allocentric-visuospatial-working-memory-in-premotor-huntington-s-disease-a-double-dissociation-with-caudate-and-hippocampal-volumes
#10
Katherine L Possin, Hosung Kim, Michael D Geschwind, Tacie Moskowitz, Erica T Johnson, Sharon J Sha, Alexandra Apple, Duan Xu, Bruce L Miller, Steven Finkbeiner, Christopher P Hess, Joel H Kramer
Our brains represent spatial information in egocentric (self-based) or allocentric (landmark-based) coordinates. Rodent studies have demonstrated a critical role for the caudate in egocentric navigation and the hippocampus in allocentric navigation. We administered tests of egocentric and allocentric working memory to individuals with premotor Huntington's disease (pmHD), which is associated with early caudate nucleus atrophy, and controls. Each test had 80 trials during which subjects were asked to remember 2 locations over 1-sec delays...
April 17, 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28427472/optimising-conservative-management-of-chronic-low-back-pain-study-protocol-for-a-randomised-controlled-trial
#11
Katherine J Simson, Clint T Miller, Jon Ford, Andrew Hahne, Luana Main, Timo Rantalainen, Wei-Peng Teo, Megan Teychenne, David Connell, Guy Trudel, Guoyan Zheng, Gary Thickbroom, Daniel L Belavy
BACKGROUND: Lower back pain is a global health issue affecting approximately 80% of people at some stage in their life. The current literature suggests that any exercise is beneficial for reducing back pain. However, as pain is a subjective evaluation and physical deficits are evident in low back pain, using it as the sole outcome measure to evaluate superiority of an exercise protocol for low back pain treatment is insufficient. The overarching goal of the current clinical trial is to implement two common, conservative intervention approaches and examine their impact on deficits in chronic low back pain...
April 20, 2017: Trials
https://www.readbyqxmd.com/read/28426305/us-public-opinion-on-carrying-firearms-in-public-places
#12
Julia A Wolfson, Stephen P Teret, Deborah Azrael, Matthew Miller
OBJECTIVES: To estimate US public opinion, overall and by gun ownership status, about the public places where legal gun owners should be allowed to carry firearms. METHODS: We fielded an online survey among 3949 adults, including an oversample of gun owners and veterans, in April 2015. We used cross-tabulations with survey weights to generate nationally representative estimates. RESULTS: Fewer than 1 in 3 US adults supported gun carrying in any of the specified venues...
April 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28426144/a-multiplex-culture-system-for-the-long-term-growth-of-fission-yeast-cells
#13
Celine Callens, Nelson C Coelho, Aaron W Miller, Maria Rosa Domino Sananes, Maitreya J Dunham, Matthieu Denoual, Damien Coudreuse
Maintenance of long-term cultures of yeast cells is central to a broad range of investigations, from metabolic studies to laboratory evolution assays. However, repeated dilutions of batch cultures lead to variations in medium composition, with implications for cell physiology. In S. cerevisiae, powerful miniaturized chemostat setups, or ministat arrays, have been shown to allow for constant dilution of multiple independent cultures. Here we set out to adapt these arrays for continuous culture of a morphologically and physiologically distinct yeast, the fission yeast Schizosaccharomyces pombe, with the goal of maintaining constant population density over time...
April 20, 2017: Yeast
https://www.readbyqxmd.com/read/28425734/a-within-person-approach-to-risk-for-suicidal-ideation-and-suicidal-behavior-examining-the-roles-of-depression-stress-and-abuse-exposure
#14
Adam Bryant Miller, Tory Eisenlohr-Moul, Matteo Giletta, Paul D Hastings, Karen D Rudolph, Matthew K Nock, Mitchell J Prinstein
OBJECTIVE: This study tests a novel, within-person model that reexamines depression and stress as risk factors for suicidal ideation and behavior among adolescent girls with and without sexual/physical abuse histories. METHOD: This longitudinal study includes data from 220 adolescent girls between 12 and 16 years of age (M = 14.69 years, SD = 1.37; 61% White). At baseline, adolescents reported the presence or absence of prior abuse as part of a clinical interview...
April 20, 2017: Journal of Consulting and Clinical Psychology
https://www.readbyqxmd.com/read/28425578/survival-comparisons-of-intensive-vs-conventional-hemodialysis-pitfalls-and-lessons
#15
REVIEW
Amanda J Miller, Jeff Perl, Karthik K Tennankore
The optimal dose of hemodialysis (HD) has not yet been established. As a means of better approximating the physiology of native kidney function, there has been a growing interest in intensive HD (an increase in dialysis frequency and/or duration). Although many studies have demonstrated a survival benefit with intensive dialysis, results have been conflicting. This controversy stems from the challenges of randomizing patients to conventional vs. intensive HD modalities and, therefore, the reliance on observational comparisons that have been limited by varying definitions for intensive dialysis, differences in dialysis location and prescription, unavoidable treatment selection bias, and a potential lack of generalizability...
April 20, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28424764/diffusion-tensor-imaging-colour-mapping-threshold-for-identification-of-ventilation-induced-brain-injury-after-intrauterine-inflammation-in-preterm-lambs
#16
Dhafer M Alahmari, Beatrice Skiöld, Samantha K Barton, Ilias Nitsos, Courtney McDonald, Suzanne L Miller, Valerie Zahra, Robert Galinsky, Qizhu Wu, Michael John Farrell, Timothy J Moss, Stuart B Hooper, James T Pearson, Graeme R Polglase
PURPOSE: The aim of this study is to examine whether advanced magnetic resonance imaging (MRI) techniques can detect early brain injury caused by intrauterine inflammation and inappropriate initial respiratory support in preterm lambs. HYPOTHESIS: Neuropathology caused by intrauterine inflammation is exacerbated by mechanical ventilation at birth and is detectable with advanced MRI techniques. METHODS: Pregnant ewes received intra-amniotic lipopolysaccharide (LPS) 7 days prior to delivery at ~125 days of gestation (85% of gestation), whereupon lambs were delivered and randomised to receive an injurious (LPS + INJ, n = 6) or protective (LPS + PROT, n = 6) ventilation strategy...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28424409/clinical-genomic-profiling-to-identify-actionable-alterations-for-investigational-therapies-in-patients-with-diverse-sarcomas
#17
Roman Groisberg, David S Hong, Vijaykumar Holla, Filip Janku, Sarina Piha-Paul, Vinod Ravi, Robert Benjamin, Shreyas Kumar Patel, Neeta Somaiah, Anthony Conley, Siraj M Ali, Alexa B Schrock, Jeffrey S Ross, Philip J Stephens, Vincent A Miller, Shiraj Sen, Cynthia Herzog, Funda Meric-Bernstam, Vivek Subbiah
BACKGROUND: There are currently no United States Food and Drug Administration approved molecularly matched therapies for sarcomas except gastrointestinal stromal tumors. Complicating this is the extreme diversity, heterogeneity, and rarity of these neoplasms. Few therapeutic options exist for relapsed and refractory sarcomas. In clinical practice many oncologists refer patients for genomic profiling hoping for guidance on treatment options after standard therapy. However, a systematic analysis of actionable mutations has yet to be completed...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28424368/spatial-intensity-distribution-analysis-quantifies-the-extent-and-regulation-of-homo-dimerization-of-the-secretin-receptor
#18
Richard J Ward, John D Pediani, Kaleeckal G Harikumar, Laurence J Miller, Graeme Milligan
Previous studies have indicated that the G protein-coupled secretin receptor is present as a homo-dimer, organized through symmetrical contacts in transmembrane domain IV, and that receptor dimerization is critical for high potency signalling by secretin. However, whether all of the receptor exists in the dimeric form or if this is regulated, is unclear. We used measures of quantal brightness of the secretin receptor tagged with monomeric enhanced green fluorescent protein (mEGFP) and Spatial Intensity Distribution Analysis to assess this...
April 19, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28424326/anti-tau-antibody-administration-increases-plasma-tau-in-transgenic-mice-and-patients-with-tauopathy
#19
Kiran Yanamandra, Tirth K Patel, Hong Jiang, Suzanne Schindler, Jason D Ulrich, Adam L Boxer, Bruce L Miller, Diana R Kerwin, Gilbert Gallardo, Floy Stewart, Mary Beth Finn, Nigel J Cairns, Philip B Verghese, Ilana Fogelman, Tim West, Joel Braunstein, Grace Robinson, Jennifer Keyser, Joseph Roh, Stephanie S Knapik, Yan Hu, David M Holtzman
Tauopathies are a group of disorders in which the cytosolic protein tau aggregates and accumulates in cells within the brain, resulting in neurodegeneration. A promising treatment being explored for tauopathies is passive immunization with anti-tau antibodies. We previously found that administration of an anti-tau antibody to human tau transgenic mice increased the concentration of plasma tau. We further explored the effects of administering an anti-tau antibody on plasma tau. After peripheral administration of an anti-tau antibody to human patients with tauopathy and to mice expressing human tau in the central nervous system, there was a dose-dependent increase in plasma tau...
April 19, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28424288/virion-associated-vpr-alleviates-a-post-integration-block-to-hiv-1-infection-of-dendritic-cells
#20
Caitlin M Miller, Hisashi Akiyama, Luis M Agosto, Ann Emery, Chelsea R Ettinger, Ronald I Swamstrom, Andrew J Henderson, Suryaram Gummuluru
Viral protein R (Vpr) is an HIV-1 accessory protein whose function remains poorly understood. In this report, we sought to determine the requirement of Vpr in facilitating HIV-1 infection of monocyte-derived dendritic cells (MDDCs), one of the first cells to encounter virus in the peripheral mucosal tissues. We characterize in this report a significant restriction to Vpr-deficient virus replication and spread in MDDCs alone and in cell-to-cell spread in MDDC - CD4(+) T cell co-cultures. This restriction to HIV-1 replication in MDDCs was observed in a single round of virus replication and was rescued by expression of Vpr in trans in the incoming virion...
April 19, 2017: Journal of Virology
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