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https://www.readbyqxmd.com/read/27913960/neuroimaging-abnormalities-in-clade-c-hiv-are-independent-of-tat-genetic-diversity
#1
Robert H Paul, Sarah Phillips, Jacqueline Hoare, David H Laidlaw, Ryan Cabeen, Gayla R Olbricht, Yuqing Su, Dan J Stein, Susan Engelbrecht, Soraya Seedat, Lauren E Salminen, Laurie M Baker, Jodi Heaps, John Joska
Controversy remains regarding the neurotoxicity of clade C human immunodeficiency virus (HIV-C). When examined in preclinical studies, a cysteine to serine substitution in the C31 dicysteine motif of the HIV-C Tat protein (C31S) results in less severe brain injury compared to other viral clades. By contrast, patient cohort studies identify significant neuropsychological impairment among HIV-C individuals independent of Tat variability. The present study clarified this discrepancy by examining neuroimaging markers of brain integrity among HIV-C individuals with and without the Tat substitution...
December 2, 2016: Journal of Neurovirology
https://www.readbyqxmd.com/read/27913695/a-randomized-double-blind-placebo-controlled-trial-of-coenzyme-q10-in-huntington-disease
#2
Andrew McGarry, Michael McDermott, Karl Kieburtz, Elisabeth A de Blieck, Flint Beal, Karen Marder, Christopher Ross, Ira Shoulson, Peter Gilbert, William M Mallonee, Mark Guttman, Joanne Wojcieszek, Rajeev Kumar, Mark S LeDoux, Mary Jenkins, H Diana Rosas, Martha Nance, Kevin Biglan, Peter Como, Richard M Dubinsky, Kathleen M Shannon, Padraig O'Suilleabhain, Kelvin Chou, Francis Walker, Wayne Martin, Vicki L Wheelock, Elizabeth McCusker, Joseph Jankovic, Carlos Singer, Juan Sanchez-Ramos, Burton Scott, Oksana Suchowersky, Stewart A Factor, Donald S Higgins, Eric Molho, Fredy Revilla, John N Caviness, Joseph H Friedman, Joel S Perlmutter, Andrew Feigin, Karen Anderson, Ramon Rodriguez, Nikolaus R McFarland, Russell L Margolis, Eric S Farbman, Lynn A Raymond, Valerie Suski, Sandra Kostyk, Amy Colcher, Lauren Seeberger, Eric Epping, Sherali Esmail, Nancy Diaz, Wai Lun Alan Fung, Alan Diamond, Samuel Frank, Philip Hanna, Neal Hermanowicz, Leon S Dure, Merit Cudkowicz
OBJECTIVE: To test the hypothesis that chronic treatment of early-stage Huntington disease (HD) with high-dose coenzyme Q10 (CoQ) will slow the progressive functional decline of HD. METHODS: We performed a multicenter randomized, double-blind, placebo-controlled trial. Patients with early-stage HD (n = 609) were enrolled at 48 sites in the United States, Canada, and Australia from 2008 to 2012. Patients were randomized to receive either CoQ 2,400 mg/d or matching placebo, then followed for 60 months...
December 2, 2016: Neurology
https://www.readbyqxmd.com/read/27913399/development-of-time-and-voltage-domain-mapping-v-t-mapping-to-localize-ventricular-tachycardia-channels-during-sinus-rhythm
#3
Sachin Nayyar, Pawel Kuklik, Anand N Ganesan, Thomas R Sullivan, Lauren Wilson, Glenn D Young, Prashanthan Sanders, Kurt C Roberts-Thomson
BACKGROUND: In ventricular scar, impulse spread is slow because it traverses split and zigzag channels of surviving muscle. We aimed to evaluate scar electrograms to determine their local delay (activation time) and inequality in voltage splitting (entropy), and their relationship to channels. We reasoned that unlike innocuous channels, which are often short with multiple side branches, ventricular tachycardia (VT) supporting channels have very slow impulse spread and possess low entropy because of their longer protected length and relative lack of side-branching...
December 2016: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/27913257/prodynorphin-and-kappa-opioid-receptor-mrna-expression-in-the-brain-relates-to-social-status-and-behavior-in-male-european-starlings
#4
Lauren V Riters, Melissa A Cordes, Sharon A Stevenson
Numerous animal species display behavioral changes in response to changes in social status or territory possession. For example, in male European starlings only males that acquire nesting sites display high rates of sexual and agonistic behavior. Past studies show that mu and delta opioid receptors regulate behaviors associated with social ascension or defeat. Opioids also act at kappa receptors, with dynorphin binding with the highest affinity; however, the role of these opioids in social behavior has not been well studied...
November 29, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27913086/punctate-white-matter-lesions-in-full-term-infants-with-neonatal-seizures-associated-with-slc13a5-mutations
#5
Lauren C Weeke, Eva Brilstra, Kees P Braun, Evelien Zonneveld-Huijssoon, Gajja S Salomons, Bobby P Koeleman, Koen L van Gassen, Henrica L van Straaten, Dana Craiu, Linda S de Vries
INTRODUCTION: Early-onset epileptic encephalopathy caused by biallelic SLC13A5 mutations is characterized by seizure onset in the first days of life, refractory epilepsy and developmental delay. Little detailed information about the brain MRI features is available in these patients. METHODS: Observational study describing the neuro-imaging findings in eight patients (five families) with mutations in the SLC13A5 gene. Seven infants had an MRI in the neonatal period, two had a follow-up MRI at the age of 6 and 18 months and one only at 13 months...
November 19, 2016: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/27913084/quality-of-communication-about-medicines-in-united-states-hospitals-a-national-retrospective-study
#6
Lauren Mullings, Jayashri Sankaranarayanan
BACKGROUND: Despite the benefits of improving transitions across care, literature is very limited on inpatient "Communication about Medicines" (ComMed) by staff across United States (U.S.) hospitals. OBJECTIVES: To evaluate ComMed quality variations by hospital characteristics. METHODS: In a cross-sectional, retrospective study of publicly available U.S. Medicare's Hospital Consumer Assessment of Health Care Plans Survey (HCAHPS) data (January 2013-September 2014), ComMed quality (high = above average/excellent vs...
October 26, 2016: Research in Social & Administrative Pharmacy: RSAP
https://www.readbyqxmd.com/read/27911989/a-prospective-cohort-study-of-patients-with-peripheral-t-cell-lymphoma-in-the-united-states
#7
Steven M Horwitz, Lauren C Pinter-Brown, Steven T Rosen, Barbara Pro, Eric D Hsi, Massimo Federico, Christian Gisselbrecht, Marc Schwartz, Lisa A Bellm, Mark A Acosta, Andrei R Shustov, Ranjana H Advani, Tatyana A Feldman, Mary Jo Lechowicz, Sonali M Smith, Frederick Lansigan, Anil Tulpule, Michael D Craig, John P Greer, Brad S Kahl, Joseph W Leach, Neil Morganstein, Carla Casulo, Steven I Park, Francine M Foss
BACKGROUND: Long-term survival in patients with aggressive peripheral T-cell lymphoma (PTCL) is generally poor, and there currently is no clear consensus regarding the initial therapy used for these diseases. Herein, the authors analyzed treatment patterns and outcomes in a prospectively collected cohort of patients with a new diagnosis of nodal PTCL in the United States. METHODS: Comprehensive Oncology Measures for Peripheral T-cell Lymphoma Treatment (COMPLETE) is a prospective multicenter cohort study designed to identify the most common prevailing treatment patterns used for patients newly diagnosed with PTCL in the United States...
December 2, 2016: Cancer
https://www.readbyqxmd.com/read/27911979/clinicopathological-features-and-clinical-outcomes-associated-with-tp53-and-braf-n-on-v-600-mutations-in-cutaneous-melanoma-patients
#8
Dae Won Kim, Lauren E Haydu, Aron Y Joon, Roland L Bassett, Alan E Siroy, Michael T Tetzlaff, Mark J Routbort, Rodabe N Amaria, Jennifer A Wargo, Jennifer L McQuade, Jan Kemnade, Patrick Hwu, Scott E Woodman, Jason Roszik, Kevin B Kim, Jeffrey E Gershenwald, Alexander J Lazar, Michael A Davies
BACKGROUND: BRAF(V600) , NRAS, TP53, and BRAF(Non-V600) are among the most common mutations detected in non-acral cutaneous melanoma patients. Although several studies have identified clinical and pathological features associated with BRAF(V600) and NRAS mutations, limited data are available regarding the correlates and significance of TP53 and BRAF(Non-V600) mutations. METHODS: This study analyzed the patient demographics, primary tumor features, and clinical outcomes of a large cohort of non-acral cutaneous melanoma patients who had undergone clinically indicated molecular testing (n = 926)...
December 2, 2016: Cancer
https://www.readbyqxmd.com/read/27911748/actions-of-steroids-new-neurotransmitters
#9
Lauren M Rudolph, Charlotte A Cornil, Melinda A Mittelman-Smith, Jennifer R Rainville, Luke Remage-Healey, Kevin Sinchak, Paul E Micevych
Over the past two decades, the classical understanding of steroid action has been updated to include rapid, membrane-initiated, neurotransmitter-like functions. While steroids were known to function on very short time spans to induce physiological and behavioral changes, the mechanisms by which these changes occur are now becoming more clear. In avian systems, rapid estradiol effects can be mediated via local alterations in aromatase activity, which precisely regulates the temporal and spatial availability of estrogens...
November 9, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27911344/patient-perspectives-on-deep-brain-stimulation-clinical-research-in-early-stage-parkinson-s-disease
#10
Lauren Heusinkveld, Mallory Hacker, Maxim Turchan, Madelyn Bollig, Christina Tamargo, William Fisher, Lauren McLaughlin, Adria Martig, David Charles
The FDA approved a multicenter, double-blind, Phase III, pivotal trial testing deep brain stimulation in 280 people with very early stage Parkinson's disease (PD; IDE#G050016). In partnership with The Michael J. Fox Foundation for Parkinson's Research, we conducted a survey to investigate motivating factors, barriers, and gender differences for participation in a trial testing DBS in early PD. The majority of survey respondents (72%) indicated they would consider learning more about participating. Men and women with early PD are likely to consider enrolling in trials of invasive therapies that may slow symptom progression and help future patients...
November 30, 2016: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/27910187/ureteral-stent-duration-and-the-risk-of-bk-polyomavirus-viremia-or-bacteriuria-after-kidney-transplantation
#11
Jonathan T Wingate, Jared Brandenberger, Andrew Weiss, Lauren G Scovel, Christian S Kuhr
OBJECTIVES: Ureteral stents are used in kidney transplantation (KTX) to decrease post-operative complications, but are associated with BK polyomavirus viremia (BKV). Our primary outcome was to determine the association between ureteral stent duration and BKV. Secondary outcome measures were the association between bacteriuria and stent duration or use of ureteral stent strings. METHODS: Between January 2010 and January 2015, 403 patients underwent KTX at Virginia Mason Medical Center and met inclusion criteria...
December 2, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/27910114/it-s-about-time-examining-received-dosage-and-program-duration-as-predictors-of-change-among-non-distressed-and-distressed-married-couple-and-relationship-education-participants
#12
Angela B Bradford, Lauren Drean, Francesca Adler-Baeder, Scott A Ketring, Thomas A Smith
Although Couple and Relationship Education (CRE) programs were intended to be preventive in nature, an emerging reality is that relationally distressed couples are attending programs. This has raised questions about both its general usefulness and what is known regarding predictors of change in CRE for distressed couples particularly. Previous work has identified dosage and duration as important moderators of changes, and there are myriad program contexts offered, highlighting the need to examine these among distressed couples...
December 2, 2016: Journal of Marital and Family Therapy
https://www.readbyqxmd.com/read/27910061/inhaled-gene-transfer-for-pulmonary-circulation
#13
Jaume Aguero, Lahouaria Hadri, Nadjib Hammoudi, Lauren Leonardson, Roger J Hajjar, Kiyotake Ishikawa
Chronic pulmonary hypertension (PH) is associated with right ventricular failure and high mortality regardless of the underlying disease. Currently, therapies can improve clinical outcomes in specific subsets of patients, but have little impact on the progression of pulmonary vascular remodeling. Upon new advances in vector development and delivery techniques, gene therapy is a novel strategy in this field with the potential of overcoming the main limitations of approved drug therapies: modulation of novel anti-remodeling targets and selective pulmonary vasculature targeting with minimal systemic effects...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27910053/cardiac-gene-delivery-in-large-animal-models-antegrade-techniques
#14
Shin Watanabe, Lauren Leonardson, Roger J Hajjar, Kiyotake Ishikawa
Percutaneous antegrade coronary injection is among the least invasive cardiac selective gene delivery methods. However, transduction efficiency is quite low with a simple bolus antegrade injection. In order to improve the transduction efficiency using antegrade delivery, several additional approaches have been proposed.In this chapter, we briefly discuss important elements associated with intracoronary delivery methods and present protocols for three different catheter-based antegrade delivery techniques in a preclinical large animal model...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27909854/does-everyone-s-motivational-beliefs-about-physical-science-decline-in-secondary-school-heterogeneity-of-adolescents-achievement-motivation-trajectories-in-physics-and-chemistry
#15
Ming-Te Wang, Angela Chow, Jessica Lauren Degol, Jacquelynne Sue Eccles
Students' motivational beliefs about learning physical science are critical for achieving positive educational outcomes. In this study, we incorporated expectancy-value theory to capture the heterogeneity of adolescents' motivational trajectories in physics and chemistry from seventh to twelfth grade and linked these trajectories to science-related outcomes. We used a cross-sequential design based on three different cohorts of adolescents (N = 699; 51.5 % female; 95 % European American; M ages for youngest, middle, and oldest cohorts at the first wave = 13...
December 1, 2016: Journal of Youth and Adolescence
https://www.readbyqxmd.com/read/27909362/examining-the-need-for-a-new-instrument-to-evaluate-canadian-physiotherapy-students-during-clinical-education-experiences
#16
Mark Hall, Patricia Manns, Cheryl Poth, Lauren Beaupre
Purpose: To gauge the need for a new assessment instrument for Canadian physiotherapy students on clinical placements. Methods: A national survey was developed and distributed to 18,110 Canadian physiotherapists. Results: A total of 3,148 physiotherapists from diverse practice settings responded to the survey. Of those who indicated that student evaluation was applicable to them (n=2,393), 70% stated that a new instrument was needed; of these, 78% felt that the new instrument should be based on Canadian practice standards and rated with an anchored visual analogue scale, and 73% said they would be comfortable completing the instrument online...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27909361/an-exploration-of-canadian-physiotherapists-decisions-about-whether-to-supervise-physiotherapy-students-results-from-a-national-survey
#17
Mark Hall, Cheryl Poth, Patricia Manns, Lauren Beaupre
Purpose: To explore Canadian physiotherapists' perceptions of the factors that influence their decisions whether to supervise students in clinical placements. Methods: Using accepted survey development methodology, a survey was developed and administered to 18,110 physiotherapists to identify which factors contribute to the decision to supervise students. The survey also gave respondents opportunities to provide comments; these were analyzed via directed content analysis, using the factors identified in an exploratory factor analysis as an organizing structure...
2016: Physiotherapy Canada. Physiothérapie Canada
https://www.readbyqxmd.com/read/27909250/conditional-disclosure-on-pathways-to-care-coping-preferences-of-young-people-at-risk-of-psychosis
#18
Petra C Gronholm, Graham Thornicroft, Kristin R Laurens, Sara Evans-Lacko
The interrelationship between stigma and help-seeking is under-researched among children and adolescents. This study explored stigma in relation to pathways to care among young people putatively in an early stage of increased risk of developing psychotic disorders. "Pathways to care" was defined as help-seeking and support from informal and formal resources, and increased risk was determined through the presence of persistent psychotic-like experiences and internalizing/externalizing psychopathology. Twenty-nine qualitative interviews were analyzed using thematic analysis...
November 30, 2016: Qualitative Health Research
https://www.readbyqxmd.com/read/27909208/evaluation-of-a-national-telemedicine-initiative-in-the-veterans-health-administration-factors-associated-with-successful-implementation
#19
Lauren Stevenson, Sherry Ball, Leah M Haverhals, David C Aron, Julie Lowery
BACKGROUND: The Consolidated Framework for Implementation Research was used to evaluate implementation facilitators and barriers of Specialty Care Access Network-Extension for Community Healthcare Outcomes (SCAN-ECHO) within the Veterans Health Administration. SCAN-ECHO is a video teleconferencing-based programme where specialist teams train and mentor remotely-located primary care providers in providing routine speciality care for common chronic illnesses. The goal of SCAN-ECHO was to improve access to speciality care for Veterans...
November 30, 2016: Journal of Telemedicine and Telecare
https://www.readbyqxmd.com/read/27909110/case-3-acute-jaundice-in-a-16-year-old-boy
#20
Lauren Pommert, Hayley Friedman, David Wathen, Shermini Saini
No abstract text is available yet for this article.
December 2016: Pediatrics in Review
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