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https://www.readbyqxmd.com/read/29321949/piercing-of-the-lumbocostal-ligament-by-the-subcostal-nerve-a-previously-unreported-case
#1
Marc Vetter, Joe Iwanaga, Rod J Oskouian, R Shane Tubbs
As lateral approaches gain popularity in lumbar spine surgery, detailed discussions regarding anatomical variations in the innervation of the thoracolumbar region are of increasing importance. Damage to intercostal or subcostal nerves can lead to post-operative complications including regional loss of sensitivity, motor function, or abdominal wall hernias. More specifically, the subcostal nerve has been identified in the literature as one of the more vulnerable structures during such procedures. A clear understanding of the position of the subcostal nerve relative to nearby anatomical structures is therefore important for medical professionals...
November 7, 2017: Curēus
https://www.readbyqxmd.com/read/29316188/evidence-for-activation-of-nitenpyram-by-a-mitochondrial-cytochrome-p450-in-drosophila-melanogaster
#2
Thomas W R Harrop, Shane Denecke, Ying Ting Yang, Janice Chan, Phillip J Daborn, Trent Perry, Philip Batterham
BACKGROUND: Nitenpyram is a member of the economically important neonicotinoid class of insecticides. The in vivo metabolism of nitenpyram is not well characterised, but cytochrome P450 activity is the major mechanism of resistance to neonicotinoids identified in insect pests, and P450s metabolise other neonicotinoids including imidacloprid. RESULTS: Here, we used the GAL4/UAS system to direct RNAi against the cytochrome P450 redox partners to interrupt P450 functions in specific tissues in Drosophila melanogaster...
January 9, 2018: Pest Management Science
https://www.readbyqxmd.com/read/29278984/using-tele-emergency-to-avoid-patient-transfers-in-rural-emergency-departments-an-assessment-of-costs-and-benefits
#3
Nabil Natafgi, Dan M Shane, Fred Ullrich, A Clinton MacKinney, Amanda Bell, Marcia M Ward
Introduction Tele-emergency can address several challenges facing emergency departments in rural areas. The purpose of this paper is to (a) examine the rates of avoided transfers in rural emergency departments that adopted tele-emergency applications; and (b) estimate the costs and benefits of using tele-emergency to avoid transfers. Methods Analysis is based on 9048 tele-emergency encounters generated by the Avera eEmergency programme (Sioux Falls, South Dakota) in 85 rural hospitals across seven states between October 2009-February 2014...
January 1, 2017: Journal of Telemedicine and Telecare
https://www.readbyqxmd.com/read/29273984/comparative-toxicity-of-azo-dyes-to-two-infaunal-organisms-hexagenia-spp-and-tubifex-tubifex-in-spiked-sediment-exposures
#4
Danielle Milani, Adrienne J Bartlett, Shane R de Solla, Joanne L Parrott, Kyna D Intini, David Legault, Jennifer Unsworth, Vimal K Balakrishnan
Azo dyes are synthetic compounds used as industrial colorants, and some are predicted to be inherently toxic, bioaccumulative, and/or persistent based upon their chemical composition. This study addresses data gaps in current research which include the need to evaluate the toxicity of hydrophobic azo dyes to benthic invertebrates. The toxicity of a solvent dye, Sudan Red G (SRG), and two disperse dyes, Disperse Yellow 7 (DY7) and Disperse Orange 13 (DO13), to Hexagenia spp. and Tubifex tubifex was assessed in spiked-sediment exposures...
December 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29226044/neuroanatomy-and-neuropsychology-of-pain
#5
REVIEW
Shehzad Khalid, R Shane Tubbs
We have reviewed here the neuroanatomical and neuropsychological literature of the human brain and have proposed the various pain mechanisms that we currently know of. Essentially when tissue is damaged, peripheral nociceptors are activated continuously and prostanoids are hence produced. Nonsteroidal anti-inflammatory drugs (NSAIDs) and medications aim to target these prostanoids to treat the inflammatory component of pain. Normal pain tends to have a protective response. It is important for the nervous system to learn and recognize this painful stimulus earlier and quicker with repeated exposure to avoid tissue damage...
October 6, 2017: Curēus
https://www.readbyqxmd.com/read/29219201/comparing-physical-examination-with-sonographic-versions-of-the-same-examination-techniques-for-splenomegaly
#6
Tara Cessford, Graydon S Meneilly, Shane Arishenkoff, Christopher Eddy, Luke Y C Chen, Daniel J Kim, Irene W Y Ma
OBJECTIVES: To determine whether sonographic versions of physical examination techniques can accurately identify splenomegaly, Castell's method (Ann Intern Med 1967; 67:1265-1267), the sonographic Castell's method, spleen tip palpation, and the sonographic spleen tip technique were compared with reference measurements. METHODS: Two clinicians trained in bedside sonography patients recruited from an urban hematology clinic. Each patient was examined for splenomegaly using conventional percussion and palpation techniques (Castell's method and spleen tip palpation, respectively), as well as the sonographic versions of these maneuvers (sonographic Castell's method and sonographic spleen tip technique)...
December 8, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29187361/diet-dependence-of-metabolic-perturbations-mediated-by-the-endocrine-disruptor-tolylfluanid
#7
Shane Regnier, Andrew Kirkley, Daniel Ruiz, Wakanene Kamau, Qian Wu, Kurunthachalam Kannan, Robert Sargis
Emerging evidence implicates environmental endocrine disrupting chemicals (EDCs) in the pathogenesis of metabolic diseases such as obesity and diabetes; however, the interactions between EDCs and traditional risk factor in disease pathogenesis remain incompletely characterized. The present study interrogates the interaction of the EDC tolylfluanid (TF) and traditional dietary stressors in the promotion of metabolic dysfunction. Eight-week old, male C57BL/6 mice were fed a high fat-high sucrose diet (HFHSD) or a high sucrose diet (HSD), with or without TF supplementation at 100 μg/g, for 12 weeks...
November 29, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/29179051/differences-in-pattern-of-variability-for-lower-extremity-kinematics-between-walking-and-running
#8
Amanda Estep, Steven Morrison, Shane Caswell, Jatin Ambegaonkar, Nelson Cortes
This study characterizes walking and running patterns in healthy individuals using linear and nonlinear methods Seventeen individuals (12 males, 5 females) volunteered for the study. 3D kinematic data during walking (WA) and running (RU) on a motorized treadmill were captured using reflective markers placed on lower body (200Hz). A single 25s trial (5000 data points) was collected for each gait task. WA speed was 1.39±0.12m/s, whereas RU speed was 2.56±0.27m/s. Variables of interest included ankle plantar/dorsi flexion, knee flexion/extension, knee abduction/adduction, hip flexion/extension, and hip abduction/adduction angles...
November 21, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29124973/divergent-hypersensitivity-responses-following-topical-application-of-the-quaternary-ammonium-compound-didecyldimethylammonium-bromide
#9
Hillary L Shane, Ewa Lukomska, Aleksandr B Stefaniak, Stacey E Anderson
Didecyldimethylammonium bromide (DDAB) is a fourth generation dialkyl-quaternary ammonium compound (QAC) that is used in numerous products for its antimicrobial properties. While many QACs have been associated with allergic disease, the toxicity and sensitization of DDAB have not been thoroughly investigated. The purpose of these studies was to evaluate the irritancy and sensitization potential of DDAB following dermal application in a murine model. DDAB induced significant irritancy (0.0625-2%), evaluated by ear swelling in female BALB/c mice...
December 2017: Journal of Immunotoxicology
https://www.readbyqxmd.com/read/29105060/cannabinoid-receptor-1-2-double-knockout-mice-develop-epilepsy
#10
Shane Rowley, Xiaofei Sun, Isabel V Lima, Alexandra Tavenier, Antonio Carlos Pinheiro de Oliveira, Sudhansu K Dey, Steve C Danzer
The endocannabinoid system has gained attention as an important modulator of activity in the central nervous system. Initial studies focused on cannabinoid receptor 1 (CB1), which is widely expressed in the brain, but recent work also implicates cannabinoid receptor 2 (CB2) in modulating neuronal activity. Both receptors are capable of reducing neuronal activity, generating interest in cannabinoid receptor agonists as potential anticonvulsants. CB1 (Cnr1) and CB2 (Cnr2) single-knockout mice have been generated, with the former showing heightened seizure sensitivity, but not overt seizures...
November 3, 2017: Epilepsia
https://www.readbyqxmd.com/read/29080858/tailored-first-line-and-second-line-cdk4-targeting-treatment-combinations-in-mouse-models-of-pancreatic-cancer
#11
Angela Chou, Danielle Froio, Adnan M Nagrial, Ashleigh Parkin, Kendelle J Murphy, Venessa T Chin, Dalia Wohl, Angela Steinmann, Rhys Stark, Alison Drury, Stacey N Walters, Claire Vennin, Andrew Burgess, Mark Pinese, Lorraine A Chantrill, Mark J Cowley, Timothy J Molloy, Nicola Waddell, Amber Johns, Sean M Grimmond, David K Chang, Andrew V Biankin, Owen J Sansom, Jennifer P Morton, Shane T Grey, Thomas R Cox, John Turchini, Jaswinder Samra, Stephen J Clarke, Paul Timpson, Anthony J Gill, Marina Pajic
OBJECTIVE: Extensive molecular heterogeneity of pancreatic ductal adenocarcinoma (PDA), few effective therapies and high mortality make this disease a prime model for advancing development of tailored therapies. The p16-cyclin D-cyclin-dependent kinase 4/6-retinoblastoma (RB) protein (CDK4) pathway, regulator of cell proliferation, is deregulated in PDA. Our aim was to develop a novel personalised treatment strategy for PDA based on targeting CDK4. DESIGN: Sensitivity to potent CDK4/6 inhibitor PD-0332991 (palbociclib) was correlated to protein and genomic data in 19 primary patient-derived PDA lines to identify biomarkers of response...
October 28, 2017: Gut
https://www.readbyqxmd.com/read/29073051/bird-specimens-track-135-years-of-atmospheric-black-carbon-and-environmental-policy
#12
Shane G DuBay, Carl C Fuldner
Atmospheric black carbon has long been recognized as a public health and environmental concern. More recently, black carbon has been identified as a major, ongoing contributor to anthropogenic climate change, thus making historical emission inventories of black carbon an essential tool for assessing past climate sensitivity and modeling future climate scenarios. Current estimates of black carbon emissions for the early industrial era have high uncertainty, however, because direct environmental sampling is sparse before the mid-1950s...
October 24, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29065175/comparative-analysis-of-activation-induced-marker-aim-assays-for-sensitive-identification-of-antigen-specific-cd4-t-cells
#13
COMPARATIVE STUDY
Samantha Reiss, Amy E Baxter, Kimberly M Cirelli, Jennifer M Dan, Antigoni Morou, Audrey Daigneault, Nathalie Brassard, Guido Silvestri, Jean-Pierre Routy, Colin Havenar-Daughton, Shane Crotty, Daniel E Kaufmann
The identification and study of antigen-specific CD4 T cells, both in peripheral blood and in tissues, is key for a broad range of immunological research, including vaccine responses and infectious diseases. Detection of these cells is hampered by both their rarity and their heterogeneity, in particular with regards to cytokine secretion profiles. These factors prevent the identification of the total pool of antigen-specific CD4 T cells by classical methods. We have developed assays for the highly sensitive detection of such cells by measuring the upregulation of surface activation induced markers (AIM)...
2017: PloS One
https://www.readbyqxmd.com/read/29061171/use-of-a-bioinformatic-assisted-primer-design-strategy-to-establish-a-new-nested-pcr-based-method-for-cryptosporidium
#14
Anson V Koehler, Pasi K Korhonen, Ross S Hall, Neil D Young, Tao Wang, Shane R Haydon, Robin B Gasser
BACKGROUND: The accurate tracking of Cryptosporidium in faecal, water and/or soil samples in water catchment areas is central to developing strategies to manage the potential risk of cryptosporidiosis transmission to humans. Various PCR assays are used for this purpose. Although some assays achieve specific amplification from Cryptosporidium DNA in animal faecal samples, some do not. Indeed, we have observed non-specificity of some oligonucleotide primers in the small subunit of nuclear ribosomal RNA gene (SSU), which has presented an obstacle to the identification and classification of Cryptosporidium species and genotypes (taxa) from faecal samples...
October 23, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29042316/concurrent-repeated-exposure-to-3-4-methylenedioxypyrovalerone-and-cocaine-produce-locomotor-sensitization-with-minimal-effects-on-brain-monoamines
#15
REVIEW
Robert J Kohler, Shane A Perrine, Lisa E Baker
Synthetic cathinones, known as "bath salts" on the illicit drug market, pose a significant public health concern. 3,4-Methylenedioxypyrovalerone (MDPV), one of several popular constituents of illicit bath salts, produces similar pharmacological actions to cocaine, albeit with greater potency and efficacy. The present study sought to characterize behavioral and neurochemical effects of repeated exposure to MDPV alone and in combination with cocaine. Male Sprague-Dawley rats were randomly assigned to one the following four treatments, administered once daily for seven days: 1 mg/kg MDPV, 5 mg/kg cocaine, 1 mg/kg MDPV +5 mg/kg cocaine, or saline...
October 14, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28978733/head-movements-quadruple-the-range-of-speeds-encoded-by-the-insect-motion-vision-system-in-hawkmoths
#16
Shane P Windsor, Graham K Taylor
Flying insects use compensatory head movements to stabilize gaze. Like other optokinetic responses, these movements can reduce image displacement, motion and misalignment, and simplify the optic flow field. Because gaze is imperfectly stabilized in insects, we hypothesized that compensatory head movements serve to extend the range of velocities of self-motion that the visual system encodes. We tested this by measuring head movements in hawkmoths Hyles lineata responding to full-field visual stimuli of differing oscillation amplitudes, oscillation frequencies and spatial frequencies...
October 11, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28975539/exposure-to-hypertensive-disorders-of-pregnancy-increases-the-risk-of-autism-spectrum-disorder-in-affected-offspring
#17
Eileen A Curran, Gerard W O'Keeffe, Ann Marie Looney, Gerard Moloney, Shane V Hegarty, Deirdre M Murray, Ali S Khashan, Louise C Kenny
There is growing awareness that prenatal adversity may increase the risk of autism spectrum disorder (ASD). Here, we examined the association between hypertensive disorders of pregnancy (HDP) and ASD risk at 7 years of age using the Millennium Cohort Study (MCS), a representative cohort of 13,192 children born in the UK from 2000 to 2001. We also sought to examine cytokine expression in the serum of women with pre-eclampsia, which is the most common HDP, and whether exposure of foetal neurons to this serum could change patterns of neuronal growth...
October 3, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28821664/differential-desensitization-observed-at-multiple-effectors-of-somatic-%C3%AE-opioid-receptors-underlies-sustained-agonist-mediated-inhibition-of-proopiomelanocortin-neuron-activity
#18
Philip D Fox, Shane T Hentges
Activation of somatic μ-opioid receptors (MORs) in hypothalamic proopiomelanocortin (POMC) neurons leads to the activation of G-protein-coupled inward rectifier potassium (GIRK) channels and hyperpolarization, but in response to continued signaling MORs undergo acute desensitization resulting in robust reduction in the peak GIRK current after minutes of agonist exposure. We hypothesized that the attenuation of the GIRK current would lead to a recovery of neuronal excitability whereby desensitization of the receptor would lead to a new steady state of POMC neuron activity reflecting the sustained GIRK current observed after the initial decline from peak with continued agonist exposure...
September 6, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28820248/modulating-wettability-of-layered-materials-by-controlling-ligand-polar-headgroup-dynamics
#19
Terry A Villarreal, Shane R Russell, Jae Jin Bang, Justin K Patterson, Shelley A Claridge
Integrating functionalized 2D materials into multilayer device architectures increasingly requires understanding the behavior of noncovalently adsorbed ligands during solution processing. Here, we demonstrate that the headgroup dynamics of polymerized monolayers of functional alkanes can be controlled to modify surface wetting and environmental interactions. We find that headgroup dynamics are sensitive to the position of the polymerizable diyne group; thus, the polymerization process, typically used to stabilize the noncovalent monolayer, can also be used to selectively destabilize chain-chain interactions near the headgroups, making the headgroups more solvent-accessible and increasing surface hydrophilicity...
August 18, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28794430/metallic-ferromagnetic-films-with-magnetic-damping-under-1-4%C3%A2-%C3%A3-%C3%A2-10-3
#20
Aidan J Lee, Jack T Brangham, Yang Cheng, Shane P White, William T Ruane, Bryan D Esser, David W McComb, P Chris Hammel, Fengyuan Yang
Low-damping magnetic materials have been widely used in microwave and spintronic applications because of their low energy loss and high sensitivity. While the Gilbert damping constant can reach 10(-4) to 10(-5) in some insulating ferromagnets, metallic ferromagnets generally have larger damping due to magnon scattering by conduction electrons. Meanwhile, low-damping metallic ferromagnets are desired for charge-based spintronic devices. Here, we report the growth of Co25Fe75 epitaxial films with excellent crystalline quality evident by the clear Laue oscillations and exceptionally narrow rocking curve in the X-ray diffraction scans as well as from scanning transmission electron microscopy...
August 10, 2017: Nature Communications
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