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https://www.readbyqxmd.com/read/28726571/primary-blast-causes-delayed-effects-without-cell-death-in-shell-encased-brain-cell-aggregates
#1
Thomas Sawyer, Yushan Wang, David V Ritzel, Tyson Josey, Mercy Villanueva, Cory Vair, Yanfeng Song, Yimin Shei, Steven Parks, Peggy Nelson, Grant Hennes, Lori McLaws, Changyan Fan
Previous work used underwater explosive exposures to isolate the effects of shock-induced principle stress without shear on rat brain aggregate cultures. This current study has utilized simulated air blast to expose aggregates in suspension and enclosed within a spherical shell, enabling the examination of a much more complex biomechanical insult. Culture medium-filled spheres were exposed to single pulse overpressures of 15-30 psi (6-7 msec duration) and measurements within the sphere at defined sites showed complex and spatially dependent pressure changes...
July 20, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28725869/automated-approach-to-detecting-behavioral-states-using-eeg-dabs
#2
Zachary B Loris, Mathew Danzi, Justin Sick, W Dalton Dietrich, Helen M Bramlett, Thomas Sick
Electrocorticographic (ECoG) signals represent cortical electrical dipoles generated by synchronous local field potentials that result from simultaneous firing of neurons at distinct frequencies (brain waves). Since different brain waves correlate to different behavioral states, ECoG signals presents a novel strategy to detect complex behaviors. We developed a program, EEG Detection Analysis for Behavioral States (EEG-DABS) that advances Fast Fourier Transforms through ECoG signals time series, separating it into (user defined) frequency bands and normalizes them to reduce variability...
July 2017: Heliyon
https://www.readbyqxmd.com/read/28724896/unprecedented-drought-over-tropical-south-america-in-2016-significantly-under-predicted-by-tropical-sst
#3
Amir Erfanian, Guiling Wang, Lori Fomenko
Tropical and sub-tropical South America are highly susceptible to extreme droughts. Recent events include two droughts (2005 and 2010) exceeding the 100-year return value in the Amazon and recurrent extreme droughts in the Nordeste region, with profound eco-hydrological and socioeconomic impacts. In 2015-2016, both regions were hit by another drought. Here, we show that the severity of the 2015-2016 drought ("2016 drought" hereafter) is unprecedented based on multiple precipitation products (since 1900), satellite-derived data on terrestrial water storage (since 2002) and two vegetation indices (since 2004)...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724669/seeds-of-hope-incorporating-community-based-strategies-to-implement-a-weight-loss-and-empowerment-intervention-in-eastern-north-carolina
#4
Lorenzo N Hopper, Kate F Blackman, Rachel A Page, Katie Barnes, Ziya Gizlice, A Imani Rivera, Lori Carter-Edwards
Seeds of HOPE (Health, Opportunities, Partnerships, and Empowerment) was a community-based participatory research project designed to implement an evidence-based weight loss and empowerment intervention aimed at increasing self-efficacy through peer support. HOPE Works, its model, has yielded significant weight loss and increases in participants' ability to set and achieve goals, including in consumption of fruits and vegetables and in physical activity.METHODS The Seeds of HOPE project was implemented through 3 peer leader recruitment approaches using Circle Leaders...
July 2017: North Carolina Medical Journal
https://www.readbyqxmd.com/read/28722172/intentional-learning-a-concept-analysis
#5
Sarah Mollman, Lori Candela
AIM: To use a concept analysis to determine a clear definition of the term "intentional learning" for use in nursing. BACKGROUND: The term intentional learning has been used for years in educational, business, and even nursing literature. It has been used to denote processes leading to higher order thinking and the ability to use knowledge in new situations; both of which are important skills to develop in nursing students. But the lack of a common, accepted definition of the term makes it difficult for nurse educators to base instruction and learning experiences on or to evaluate its overall effectiveness in educating students for diverse, fast-paced clinical practices...
July 19, 2017: Nursing Forum
https://www.readbyqxmd.com/read/28719813/comparative-stability-indicating-chromatographic-methods-for-determination-of-4-hexylresorcinol-in-pharmaceutical-formulation-and-shrimps
#6
Rafeek F Shokry, Lories I Bebawy, Mohamed R Elghobashy, Samah S Abbas
Three chromatographic stability-indicating methods were developed for determination of 4-hexylresorcinol in pure form and in a pharmaceutical formulation. Method A was based on a gradient elution liquid chromatographic HPLC determination of 4-hexylresorcinol, its related impurities and in presence of its degradation products. UPLC-MS/MS (Method B) was described for determination of the cited drug in presence of its degradation products. Method C was a thin- layer chromatography (TLC)-densitometry method for the separation and determination of the active ingredient, one of its related impurities and in presence of its degradation products...
July 8, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28719066/insights-into-optimal-basal-insulin-titration-in-type-2-diabetes-results-of-a-quantitative-survey
#7
Lori Berard, Mireille Bonnemaire, Marie Mical, Steve Edelman
AIMS: Basal insulin (BI) treatment initiation and dose titration in type 2 diabetes (T2DM) are often delayed. Such "clinical inertia" results in poor glycemic control and high risk of long-term complications. This survey aimed to determine healthcare professional (HCP) and patient attitudes to BI initiation and titration. METHODS: An online survey (July-August 2015) including HCPs and patients with T2DM in the USA, France and Germany. Patients were ≥18 years old and had been on BI for 6-36 months, or discontinued BI within the previous 12 months...
July 18, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28719042/serotonergic-paraneurons-in-the-female-mouse-urethral-epithelium-and-their-potential-role-in-peripheral-sensory-information-processing
#8
F Aura Kullmann, Huiyi H Chang, Christian Gauthier, Bronagh M McDonnell, Jih-Chao Yeh, Dennis R Clayton, Anthony J Kanai, William C de Groat, Gerard L Apodaca, Lori A Birder
AIM: The mechanisms underlying detection and transmission of sensory signals arising from visceral organs, such as the urethra, are poorly understood. Recently, specialized ACh-expressing cells embedded in the urethral epithelium have been proposed as chemosensory sentinels for detection of bacterial infection. Here we examined the morphology and potential role in sensory signaling of a different class of specialized cells that express serotonin (5-HT), termed paraneurons. METHODS: Urethrae, dorsal root ganglia neurons and spinal cords were isolated from adult female mice and used for immunohistochemistry and calcium imaging...
July 18, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28718983/multimodality-image-guided-cryoablation-for-inoperable-tumor-induced-osteomalacia
#9
Sri Harsha Tella, Hayet Amalou, Bradford J Wood, Richard Chang, Clara C Chen, Cemre Robinson, Michelle Millwood, Guthrie Lori, Sheng Xu, Elliot Levy, Venkatesh Krishnasamy, Rachel I Gafni, Michael T Collins
Tumor-induced osteomalacia (TIO) is a debilitating paraneoplastic condition caused by small phosphaturic mesenchymal tumors (PMTs) that secrete large amounts of the phosphate- and vitamin D-regulating hormone, FGF23. Tumor removal results in cure. However, due to high perioperative comorbidity, either from tumor location or host factors, surgery is sometimes not an option. Tumor destruction via cryoablation may be an effective option for inoperable PMTs. Three subjects with a confirmed diagnosis of TIO were studied...
July 18, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28718495/comparative-effectiveness-of-single-and-dual-rapid-diagnostic-tests-for-syphilis-and-hiv-in-antenatal-care-services-in-colombia
#10
Hernando Guillermo Gaitán-Duarte, Lori Newman, Maura Laverty, Ndema Abu Habib, Lina María González-Gordon, Edith Ángel-Müller, Catleya Abella, Esther Cristina Barros, Carlos Rincón, Sidia Caicedo, Bertha Gómez, Freddy Pérez
Objective: To assess the effectiveness of a dual rapid test compared to a single rapid test for syphilis and HIV screening. Methods: A cluster-randomized open-label clinical trial was performed in 12 public antenatal care (ANC) centers in the cities of Bogotá and Cali, Colombia. Pregnant women who were over 14 years of age at their first antenatal visit and who had not been previously tested for HIV and syphilis during the current pregnancy were included. Pregnant women were randomized to single HIV and single syphilis rapid diagnostic tests (Arm A) or to dual HIV and syphilis rapid diagnostic tests (Arm B)...
December 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28717861/patient-perspectives-on-gene-transfer-therapy-for-sickle-cell-disease
#11
Heather Strong, Monica J Mitchell, Alana Goldstein-Leever, Lisa Shook, Punam Malik, Lori E Crosby
INTRODUCTION: Sickle cell disease (SCD) is a chronic genetic disease with high morbidity and early mortality; it affects nearly 100,000 individuals in the USA. Bone marrow transplantation, the only curative treatment, is available to less than 20% of patients because of a number of access barriers. Gene transfer therapy (GTT) has been shown to be curative in animal models and is approved for use in humans for early-phase studies at a few centers. GTT would offer a more accessible treatment option available to all patients...
July 17, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28716328/new-frontiers-of-basic-science-research-in-neurogenic-lower-urinary-tract%C3%A2-dysfunction
#12
REVIEW
Minoru Miyazato, Katsumi Kadekawa, Takeya Kitta, Naoki Wada, Nobutaka Shimizu, William C de Groat, Lori A Birder, Anthony J Kanai, Seiichi Saito, Naoki Yoshimura
The lower urinary tract's main functions are storage and elimination. The micturition reflex pathway is modulated by the spinobulbospinal reflex pathway as well as higher brain centers involved in the voluntary micturition control. Micturition is sensitive to numerous injuries, resulting in various types of dysfunction. Animal studies indicate that lower urinary tract dysfunction partly depends on plasticity of the neural pathways. Reflex plasticity is associated with changes in ion channels, receptors, and numerous mediators...
August 2017: Urologic Clinics of North America
https://www.readbyqxmd.com/read/28715981/trajectory-of-weight-patterns-in-urban-youth-throughout-their-stay-in-a-juvenile-justice-system
#13
Lori Keough, Meghan Cobb, Tatum Sinclair, Dawn Beckman
Incarceration is associated with health risks including overweight and obesity. This study explored obesity rates and weight gain in incarcerated youth by tracking weight trajectory during continuous stays in juvenile justice facilities. Among 65 youth, mean weight gain was 17.8 pounds and significant, F(2, 12) = 25.44, p = .03. Youth gained an average of 15.6 pounds (standard deviation [ SD] = 3.6) during the initial incarceration period (mean = 71 days). From the assessment to treatment period (mean = 46 days), mean weight gain was 4...
July 2017: Journal of Correctional Health Care
https://www.readbyqxmd.com/read/28715140/the-natural-history-of-thin-melanoma-and-the-utility-of-sentinel-lymph-node-biopsy
#14
Alison B Durham, Jennifer L Schwartz, Lori Lowe, Lili Zhao, Andrew G Johnson, Kelly L Harms, Christopher K Bichakjian, Amy P Orsini, Scott A McLean, Carol R Bradford, Mark S Cohen, Timothy M Johnson, Michael S Sabel, Sandra L Wong
BACKGROUND AND OBJECTIVES: Current literature may overestimate the risk of nodal metastasis from thin melanoma due to reporting of data only from lesions treated with SLNB. Our objective was to define the natural history of thin melanoma, assessing the likelihood of nodal disease, in order to guide selection for SLNB. METHODS: Retrospective review. The primary outcome was the rate of nodal disease. Clinicopathologic factors were evaluated to find associations with nodal disease...
July 17, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28714867/enhanced-astrocytic-d-serine-underlies-synaptic-damage-after-traumatic-brain-injury
#15
Enmanuel J Perez, Stephen A Tapanes, Zachary B Loris, Darrick T Balu, Thomas J Sick, Joseph T Coyle, Daniel J Liebl
After traumatic brain injury (TBI), glial cells have both beneficial and deleterious roles in injury progression and recovery. However, few studies have examined the influence of reactive astrocytes in the tripartite synapse following TBI. Here, we have demonstrated that hippocampal synaptic damage caused by controlled cortical impact (CCI) injury in mice results in a switch from neuronal to astrocytic d-serine release. Under nonpathological conditions, d-serine functions as a neurotransmitter and coagonist for NMDA receptors and is involved in mediating synaptic plasticity...
July 17, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28714451/psychometric-evaluation-of-the-attitudes-to-disability-scale-for-use-with-nurse-educators
#16
Lori Lyon, Rick Houser
BACKGROUND AND PURPOSE: This article tests the construct validity of the Attitudes to Disability Scale (ADS) for use with nurse educators. The ADS was designed to assess the attitudes of people with disabilities and the general population. METHODS: The responses of 126 nurse educators were analyzed using multivariate statistics. RESULTS: Reliability analysis of the original ADS factors yielded Cronbach's alpha of .655, .689, .781, and .621 (Inclusion, Discrimination, Gains, and Prospects, respectively)...
December 1, 2016: Journal of Nursing Measurement
https://www.readbyqxmd.com/read/28713148/sometimes-those-hoofbeats-are-zebras-a-narrative-analysis
#17
Lori A Roscoe
The case of BB, an 11-year-old girl who was hospitalized because of sudden odd seizure-like symptoms and catatonic affect, highlights several ethical issues and communication problems. The correct diagnosis was initially missed, partly because physicians are trained to think of the most common explanation for a patient's symptoms; the medical education truism "when you hear hoofbeats, think horses, not zebras" was not helpful in BB's case. The common habit of medical professionals to not revisit a diagnosis once one is established also led to missed opportunities to provide appropriate care for this young patient...
2017: Narrative Inquiry in Bioethics
https://www.readbyqxmd.com/read/28713126/advance-care-planning-for-the-homeless-a-community-collaboration
#18
Delia M Cortez, Kylee Harding, Lori Koutouratsas, Christopher Pietras, Jeannette Meyer
No abstract text is available yet for this article.
2017: Narrative Inquiry in Bioethics
https://www.readbyqxmd.com/read/28710252/an-unbiased-linkage-approach-reveals-that-the-p53-pathway-is-coupled-to-nk-cell-maturation
#19
Roxanne Collin, Charles St-Pierre, Lorie Guilbault, Victor Mullins-Dansereau, Antonia Policheni, Fanny Guimont-Desrochers, Adam-Nicolas Pelletier, Daniel H Gray, Elliot Drobetsky, Claude Perreault, Erin E Hillhouse, Sylvie Lesage
Natural killer cells constitute potent innate lymphoid cells that play a major role in both tumor immunosurveillance and viral clearance via their effector functions. A four-stage model of NK cell functional maturation has been established according to the expression of CD11b and CD27, separating mature NK (mNK) cells into distinct populations that exhibit specific phenotypic and functional properties. To identify genetic factors involved in the regulation of NK cell functional maturation, we performed a linkage analysis on F2 (B6...
July 14, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28708742/physical-therapy-and-exercise-interventions-in-huntington-s-disease-a-mixed-methods-systematic-review-protocol
#20
Lori Quinn, Monica Busse, Judith Carrier, Nora Fritz, Jane Harden, Lynda Hartel, Deb Kegelmeyer, Anne Kloos, Ashwini Rao
The review seeks to evaluate the effectiveness of physical therapy and exercise interventions in Huntington's disease (HD). The review question is: What is the effectiveness of physiotherapy and therapeutic exercise interventions in people with HD, and what are patients', families' and caregivers' perceptions of these interventions?The specific objectives are:This mixed methods review seeks to develop an aggregated synthesis of quantitative, qualitative and narrative systematic reviews on physiotherapy and exercise interventions in HD, in an attempt to derive conclusions and recommendations useful for clinical practice and policy decision-making...
July 2017: JBI Database of Systematic Reviews and Implementation Reports
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