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https://www.readbyqxmd.com/read/28296431/does-unbelted-safety-requirement-affect-protection-for-belted-occupants
#1
Jingwen Hu, Kathleen D Klinich, Miriam A Manary, Carol A C Flannagan, Prabha Narayanaswamy, Matthew P Reed, Margaret Andreen, Mark Neal, Chin-Hsu Lin
OBJECTIVE: Federal regulations in the United States require vehicles to meet occupant performance requirements with unbelted test dummies. Removing the test requirements with unbelted occupants might encourage the deployment of seatbelt interlocks and allow restraint optimization to focus on belted occupants. The objective of this study is to compare the performance of restraint systems optimized for belted only occupants with those optimized for both belted and unbelted occupants using computer simulations and field crash data analyses...
March 15, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28288363/the-role-of-postictal-laboratory-blood-analyses-in-the-diagnosis-and-prognosis-of-seizures
#2
REVIEW
Robert D Nass, Robert Sassen, Christian E Elger, Rainer Surges
BACKGROUND: Epileptic seizures (ES) lead to alterations in the blood laboratory values and reflect changes in different organ systems. Here, we review the diagnostic and prognostic value of various blood laboratory values within the context of epilepsy. METHODS: Narrative review and literature search on PubMed using the term, "seizure" and various laboratory values. RESULTS: Laboratory markers can help clinicians determine whether an unwitnessed event was more likely to be epileptic or non-epileptic...
February 27, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28276239/an-electrically-and-mechanically-autonomic-self-healing-hybrid-hydrogel-with-tough-and-thermoplastic-properties
#3
Xiaoyan He, Caiyun Zhang, Meng Wang, Yunlei Zhang, Liqin Liu, Wu Yang
Conductive hydrogels are a class of composite materials that usually comprise hydrated polymers and conductive materials. Practical application requires the conductive hydrogels to have various properties such as high conductivity, toughness, self-healing, facile processing ability, and so on. Although challenging to have all the above-mentioned properties, a composite material composed of polymer hydrogel with embedded Au nanoparticles (i.e., P(NaSS)/P(VBIm-Cl)/PVA@Au) was found to show the comprehensive properties above in this paper...
March 9, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28272111/disability-risk-in-pediatric-motor-vehicle-crash-occupants
#4
Andrea N Doud, Samantha L Schoell, Ashley A Weaver, Jennifer W Talton, Ryan T Barnard, John K Petty, Joel D Stitzel
BACKGROUND: Mortality rates among children in motor vehicle crashes (MVCs) are typically low, however non-fatal injuries can vary in severity by imposing differing levels of short- and long-term disability. To better discriminate the severity of non-fatal MVC-injuries, a pediatric-specific disability risk (DR) metric was created. METHODS: The National Automotive Sampling System (NASS-CDS) 2000-2011 was used to define the top 95% most common Abbreviated Injury Scale (AIS) 2+ injuries among pediatric MVC occupants...
March 8, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28248865/interdisciplinary-rehabilitation-after-whiplash-injury-an-observational-prospective-5-years-outcome-study
#5
Philipp Haiduk, Thomas Benz, Susanne Lehmann, Francoise Gysi-Klaus, André Aeschlimann, Beat A Michel, Felix Angst
Whiplash injury associated disorders (WAD) cause high costs for public health care. Neck pain is number 16 on the global prevalence lists for the 50 most common sequelae. It is of importance to obtain long-term data on disability and working capacity outcomes after rehabilitation. Long-term prospective data of the outcome course of whiplash are sparse. The aim of this study was to quantify improvements of pain, function/role performance, vitality, and working capacity 5 years after whiplash injury and to compare the state of health to normative values at 5 years after rehabilitation...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28213524/g-protein-coupled-receptor-kinase-2-grk-2-regulates-serotonin-metabolism-through-the-monoamine-oxidase-amx-2-in-caenorhabditis-elegans
#6
Jianjun Wang, Jiansong Luo, Dipendra K Aryal, William C Wetzel, Richard Nass, Jeffrey L Benovic
G protein-coupled receptors (GPCRs) regulate many animal behaviors. GPCR signaling is mediated by agonist-promoted interactions of GPCRs with heterotrimeric G proteins, GPCR kinases (GRKs) and arrestins. To further elucidate the role of GRKs in regulating GPCR-mediated behaviors, we utilized the genetic model system Caenorhabditis elegans. Our studies demonstrate that grk-2 loss-of-function strains are egg-laying defective and contain low levels of serotonin (5-HT) and high levels of the 5-HT metabolite 5-hydroxyindole acetic acid (5-HIAA)...
February 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28202732/atomic-structure-of-granulin-determined-from-native-nanocrystalline-granulovirus-using-an-x-ray-free-electron-laser
#7
Cornelius Gati, Dominik Oberthuer, Oleksandr Yefanov, Richard D Bunker, Francesco Stellato, Elaine Chiu, Shin-Mei Yeh, Andrew Aquila, Shibom Basu, Richard Bean, Kenneth R Beyerlein, Sabine Botha, Sébastien Boutet, Daniel P DePonte, R Bruce Doak, Raimund Fromme, Lorenzo Galli, Ingo Grotjohann, Daniel R James, Christopher Kupitz, Lukas Lomb, Marc Messerschmidt, Karol Nass, Kimberly Rendek, Robert L Shoeman, Dingjie Wang, Uwe Weierstall, Thomas A White, Garth J Williams, Nadia A Zatsepin, Petra Fromme, John C H Spence, Kenneth N Goldie, Johannes A Jehle, Peter Metcalf, Anton Barty, Henry N Chapman
To understand how molecules function in biological systems, new methods are required to obtain atomic resolution structures from biological material under physiological conditions. Intense femtosecond-duration pulses from X-ray free-electron lasers (XFELs) can outrun most damage processes, vastly increasing the tolerable dose before the specimen is destroyed. This in turn allows structure determination from crystals much smaller and more radiation sensitive than previously considered possible, allowing data collection from room temperature structures and avoiding structural changes due to cooling...
February 28, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28194603/systemic-activation-of-nf-%C3%AE%C2%BAb-driven-luciferase-activity-in-transgenic-mice-fed-advanced-glycation-end-products-modified-albumin
#8
Norbert Nass, Kristina Bayreuther, Andreas Simm
Advanced glycation end products (AGEs) are stable end products of the Maillard reaction and accumulate with progressing ageing and degenerative diseases. Significant amounts of AGE-modified peptides are also consumed with processed food. AGEs bind to specific receptors, especially the receptor of AGEs (RAGE). Activation of RAGE then evokes intracellular signalling, finally resulting in the activation of the NF-κB transcription factor and therefore a proinflammatory state. We here analysed, whether NF-κB is activated in short term upon feeding an AGE-modified protein in-vivo...
April 2017: Glycoconjugate Journal
https://www.readbyqxmd.com/read/28182605/assisted-reproductive-technology-surveillance-united-states-2014
#9
Saswati Sunderam, Dmitry M Kissin, Sara B Crawford, Suzanne G Folger, Denise J Jamieson, Lee Warner, Wanda D Barfield
PROBLEM/CONDITION: Since the first U.S. infant conceived with assisted reproductive technology (ART) was born in 1981, both the use of ART and the number of fertility clinics providing ART services have increased steadily in the United States. ART includes fertility treatments in which eggs or embryos are handled in the laboratory (i.e., in vitro fertilization [IVF] and related procedures). Women who undergo ART procedures are more likely than women who conceive naturally to deliver multiple-birth infants...
February 10, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28166648/characteristics-of-minimally-oversized-adeno-associated-virus-vectors-encoding-human-factor-viii-generated-using-producer-cell-lines-and-triple-transfection
#10
Bindu Nambiar, Cathleen Cornell Sookdeo, Patricia Berthelette, Robert Jackson, Susan Piraino, Brenda Burnham, Shelley Nass, David Souza, Catherine R O'Riordan, Karen A Vincent, Seng H Cheng, Donna Armentano, Sirkka Kyostio-Moore
Several ongoing clinical studies are evaluating recombinant adeno-associated virus (rAAV) vectors as gene delivery vehicles for a variety of diseases. However, the production of vectors with genomes >4.7 kb is challenging, with vector preparations frequently containing truncated genomes. To determine whether the generation of oversized rAAVs can be improved using a producer cell-line (PCL) process, HeLaS3-cell lines harboring either a 5.1 or 5.4 kb rAAV vector genome encoding codon-optimized cDNA for human B-domain deleted Factor VIII (FVIII) were isolated...
February 2017: Human Gene Therapy Methods
https://www.readbyqxmd.com/read/28163201/the-receptor-for-advanced-glycation-end-products-rage-is-involved-in-corneal-healing
#11
Norbert Nass, Stefanie Trau, Friedrich Paulsen, Delia Kaiser, Thomas Kalinski, Saadettin Sel
Impaired corneal healing is still a major cause of blindness. As RAGE (receptor for advanced glycation endproducts) is involved in inflammation and wound healing in other tissues, we here investigated its relevance for corneal wound healing. Corneal re-epithelialization after alkaline injury was analysed in an ex-vivo approach with cultured, enucleated eyes from mice either of the C57Bl/6 NChR genotype (RAGE+/+) and mice of the same strain lacking the RAGE gene (RAGE-/-). The wound area was determined time dependently by fluorescence imaging using fluorescein staining...
February 3, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28142160/influence-of-tiopronin-on-the-metabolism-of-alcohol-in-healthy-subjects
#12
Friederike Nass, Berthold Schneider, Stefan Wilm, Bernd Kardel, Elisabeth Gabor, Fabian Merges, Michael Kroll
Drug safety- and drug-alcohol interaction studies have mainly been conducted for frequently prescribed drugs with high financial interests. Orphan drugs such as tiopronin (ORPHA25073) are often neglected in terms of clinical research. Tiopronin is a drug that is mainly used for the treatment of cystinuria. In this study, the interaction of tiopronin regarding the metabolism of alcohol (primary objective), and the safety of tiopronin in combination with alcohol was tested in healthy volunteers.In this randomised, double-blind, cross-over study, 13 healthy subjects received 500 mg tiopronin or an identical looking placebo 1 h before the intake of 0...
January 31, 2017: Drug Research
https://www.readbyqxmd.com/read/28139227/preparation-of-hydrophilic-interaction-ion-exchange-mixed-mode-chromatographic-stationary-phase-with-adjustable-selectivity-by-controlling-different-ratios-of-the-co-monomers
#13
Chunmiao Bo, Xiaomeng Wang, Chaozhan Wang, Yinmao Wei
Development of mixed-mode chromatography (MMC) stationary phase with adjustable selectivity is beneficial to meet the needs of complex samples. In this work, surface-initiated atom transfer radical polymerization (SI-ATRP) using the mixture of two functional monomers was proposed as a new preparation strategy for MMC stationary phase with adjustable selectivity. The mixture of sodium 4-styrenesulfonate (NASS) and dimethylaminoethyl methacrylate (DMAEMA) underwent SI-ATRP to bond poly(NASS-co-DMAEMA) on the surface of silica to prepare hydrophilic interaction/ion-exchange mixed-mode stationary phase...
March 3, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28137341/evaluating-the-potential-benefits-of-advanced-automatic-crash-notification
#14
Rebecca E Plevin, Robert Kaufman, Laura Fraade-Blanar, Eileen M Bulger
OBJECTIVE: Advanced Automatic Collision Notification (AACN) services in passenger vehicles capture crash data during collisions that could be transferred to Emergency Medical Services (EMS) providers. This study explored how EMS response times and other crash factors impacted the odds of fatality. The goal was to determine if information transmitted by AACN could help decrease mortality by allowing EMS providers to be better prepared upon arrival at the scene of a collision. METHODS: The Crash Injury Research and Engineering Network (CIREN) database of the US Department of Transportation/National Highway Traffic Safety Administration (USDOT/NHTSA; Washington DC, USA) was searched for all fatal crashes between 1996 and 2012...
January 31, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28118074/gper-promoter-methylation-controls-gper-expression-in-breast-cancer-patients
#15
Christine Weissenborn, Tanja Ignatov, Norbert Nass, Thomas Kalinski, Serban Dan Costa, Ana Claudia Zenclussen, Atanas Ignatov
Recently, we found that G-protein-coupled estrogen receptor (GPER) protein expression decreased during breast carcinogenesis, and that GPER promoter is methylated. Here we analyzed GPER promoter methylation in 260 primary breast cancer specimens by methylation-specific polymerized chain reaction. The results demonstrated that GPER protein down-regulation significantly correlated with GPER promoter hypermethylation (p < .001). Comparison of 108 tumors and matched normal breast tissues indicated a significant GPER down-regulation in cancer tissues correlating with GPER promoter hypermethylation (p < ...
February 7, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/28112983/head-injuries-tbi-to-adults-and-children-in-motor-vehicle-crashes
#16
David C Viano, Chantal S Parenteau, Likang Xu, Mark Faul
PURPOSE: This is a descriptive study. It determined the annual, national incidence of head injuries (TBI) to adults and children in motor-vehicle crashes. It evaluated NASS-CDS (National Automotive Sampling System-Crashworthiness Data System) for exposure and incidence of various head injuries in towaway crashes. It evaluated three health databases for emergency department (ED) visits, hospitalizations and deaths due to TBI in motor-vehicle occupants. METHODS: Four databases were evaluated using 1997-2010 data on adult (15+ years old) and child (0-14 years old) occupants in motor-vehicle crashes: 1) NASS-CDS estimated the annual incidence of various head injuries and outcomes in towaway crashes, 2) NHAMCS (National Hospital Ambulatory Medical Care Survey) estimated ED visits for TBI, 3) NHDS (National Hospital Discharge Survey) estimated hospitalizations for TBI and 4) NVSS (National Vital Statistics System) estimated TBI deaths...
January 23, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28109985/the-synthetic-neuroactive-steroid-sge-516-reduces-status-epilepticus-and-neuronal-cell-death-in-a-rat-model-of-soman-intoxication
#17
Alison L Althaus, Hilary S McCarren, Aymen Alqazzaz, Cecelia Jackson, John H McDonough, Carl D Smith, Ethan Hoffman, Rebecca S Hammond, Albert J Robichaud, James J Doherty
Organophosphorus nerve agents (OPNAs) are irreversible inhibitors of acetylcholinesterase that pose a serious threat to public health because of their use as chemical weapons. Exposure to high doses of OPNAs can dramatically potentiate cholinergic synaptic activity and cause status epilepticus (SE). Current standard of care for OPNA exposure involves treatment with cholinergic antagonists, oxime cholinesterase reactivators, and benzodiazepines. However, data from pre-clinical models suggest that OPNA-induced SE rapidly becomes refractory to benzodiazepines...
January 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28102701/the-effect-of-precrash-velocity-reduction-on-occupant-response-using-a-human-body-finite-element-model
#18
B Guleyupoglu, J Schap, K D Kusano, F S Gayzik
OBJECTIVE: The objective of this study is to use a validated finite element model of the human body and a certified model of an anthropomorphic test dummy (ATD) to evaluate the effect of simulated precrash braking on driver kinematics, restraint loads, body loads, and computed injury criteria in 4 commonly injured body regions. METHODS: The Global Human Body Models Consortium (GHBMC) 50th percentile male occupant (M50-O) and the Humanetics Hybrid III 50th percentile models were gravity settled in the driver position of a generic interior equipped with an advanced 3-point belt and driver airbag...
January 19, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28058555/commentary-on-the-consensus-statement-of-the-american-society-of-breast-surgeons-on-contralateral-prophylactic-mastectomy
#19
EDITORIAL
Sharyl J Nass, Larissa Nekhlyudov
The increasing rate of contralateral prophylactic mastectomy (CPM) led the American Society of Breast Surgeons (ASBrS) to issue an evidence-based consensus statement on CPM, as well as a discussion guide that health care providers can use to facilitate shared decision making with patients considering CPM for unilateral breast cancer. This article suggests several ways to improve the discussion guide by eliciting patient values and preferences and by providing more current, detailed, and balanced information about the potential risks and benefits of CPM...
January 5, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28049054/monodisperse-raspberry-like-multihollow-polymer-ag-nanocomposite-microspheres-for-rapid-catalytic-degradation-of-methylene-blue
#20
Qiong Tian, Xiaojing Yu, Lifeng Zhang, Demei Yu
Raspberry-like multihollow polymer microspheres were prepared by seeded swelling polymerization and decorated with silver nanoparticles (AgNPs) in the presence of polyvinylpyrrolidone (PVP) which acted as both reducing and stabilizing agent. Formation mechanism of the raspberry-like multihollow microsphere was discussed on the basis of water absorption of sulfonated groups in the seeded swelling polymerization. Effects of weight ratio of sodium 4-vinylbenzenesulfonate to styrene (NaSS/St) of the seed particles, the concentration of PVP and [Ag(NH3)2](+) ions on the properties of polymer/Ag nanocomposite microspheres were investigated by microscopic observation, nitrogen adsorption/desorption isotherms, UV-vis absorption spectra, X-ray diffraction patterns and thermogravimetric analysis...
April 1, 2017: Journal of Colloid and Interface Science
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