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https://www.readbyqxmd.com/read/28535583/molecular-testing-of-brain-tumor
#1
REVIEW
Sung-Hye Park, Jaekyung Won, Seong-Ik Kim, Yujin Lee, Chul-Kee Park, Seung-Ki Kim, Seung-Hong Choi
The World Health Organization (WHO) classification of central nervous system (CNS) tumors was revised in 2016 with a basis on the integrated diagnosis of molecular genetics. We herein provide the guidelines for using molecular genetic tests in routine pathological practice for an accurate diagnosis and appropriate management. While astrocytomas and IDH-mutant (secondary) glioblastomas are characterized by the mutational status of IDH, TP53 , and ATRX , oligodendrogliomas have a 1p/19q codeletion and mutations in IDH, CIC , FUBP1 , and the promoter region of telomerase reverse transcriptase ( TERTp )...
May 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28535566/the-analgesic-effects-of-celecoxib-on-the-formalin-induced-short-and-long-term-inflammatory-pain
#2
Ya-Qun Zhao, Hai-Yan Wang, Jun-Bin Yin, Yan Sun, Yong Wang, Jin-Chuan Liang, Xiao-Ju Guo, Ke Tang, Yu-Tong Wang
The non-steroidal anti-inflammatory drug celecoxib has long been used for reducing pain, in spite of moderate gastrointestinal side effects. In previous studies, it has been shown that celecoxib can inhibit formalin-induced spontaneous pain and secondary hyperalgesia. Injecting formalin into a rodent's hind paw not only induces acute pain behaviors, but also produces long-lasting hyperalgesia. Whether celecoxib can also have long-lasting effects is still unknown. Our results show that pretreatment with an intraperitoneal injection of celecoxib at one hour before formalin injection induced inhibition on the spontaneous flinch and licking behaviors in the second phase but not the first phase...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28535565/ephrinb-ephb-signaling-induces-hyperalgesia-through-erk5-creb-pathway-in-rats
#3
Li-Na Yu, Li-Hong Sun, Min Wang, Lie-Ju Wang, Ying Wu, Jing Yu, Wen-Na Wang, Feng-Jiang Zhang, Xue Li, Min Yan
BACKGROUND: There are numerous studies implicating that EphB receptors and ephrinB ligands play important roles in modulating the transduction of spinal nociceptive information. EphrinB-EphB signaling may contribute to hyperalgesia via various kinds of downstream molecules, the mechanisms of which have not been completely understood. OBJECTIVE: The aim of the present study was to identify whether ephrinB-EphB signaling could contribute to hyperalgesia through ERK5/CREB pathway...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28535499/the-role-of-5-htr6-in-mossy-fiber-sprouting-activating-fyn-and-p-erk1-2-in-pilocarpine-induced-chronic-epileptic-rats
#4
Wanhui Lin, Wenli Huang, Shenggen Chen, Mingxing Lin, Qingyu Huang, Huapin Huang
OBJECTIVE: Our primary objective is to verify whether 5-HTR6 is involved in the development of mossy fiber sprouting (MFS), and to determine how the progression of MFS is affected by 5-HTR6. METHODS: A total of 90 male adult Sprague-Dawley rats were allocated into either the control group (n=36) or the epileptic group (n=54). Status epilepticus (SE) of rats was induced by the intraperitoneal (i.p.) injection of LiCl-pilocarpine. We conducted our experiments in two stages...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28535485/quantification-of-residual-antibiotics-in-cow-manure-being-spread-over-agricultural-land-and-assessment-of-their-behavioral-effects-on-antibiotic-resistant-bacteria
#5
Ji-Ran Yeom, Soon-Uk Yoon, Chang-Gyun Kim
Antibiotic resistant bacteria (ARB) in livestock manure used as fertilizer and spread over agriculture land, may pose a threat to the health of humans. Considering this, the concentrations of tetracycline (TC), oxytetracycline (OTC), and sulfathiazole (STZ) in the surface soil were quantified using LC-MS. These antibiotics have been used in livestock and are found in fertilizer produced from livestock excretions. Species of ABR were identified using 16S rDNA. Soil samples were collected at depths of 0, 7, and 15 cm from farmland in Incheon (South Korea)...
May 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28535478/the-effect-of-billboard-design-specifications-on-driving-a-pilot-study
#6
Hadas Marciano, Pe'erly Setter
Decades of research on the effects of advertising billboards on road accident rates, driver performance, and driver visual scanning behavior, has produced no conclusive findings. We suggest that road safety researchers should shift their focus and attempt to identify the billboard characteristics that are most distracting to drivers. This line of research may produce concrete guidelines for permissible billboards that would be likely to reduce the influence of the billboards on road safety. The current study is a first step towards this end...
May 20, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28535460/a-synchrotron-infrared-absorption-study-of-pressure-induced-polymerization-of-acrylamide
#7
Himal Bhatt, M N Deo
The hydrogen bonded dimeric structure of the model amide based molecular crystal acrylamide has been investigated under pressure using micro-spectroscopy, employing synchrotron infrared radiation up to 24GPa at room temperature. The high pressure spectra indicate systematic evolution of new features above 4GPa, which have been identified to be due to the emergence of a polymeric phase. The polymerization gets completed up to 16.8GPa and the observed changes are found to be irreversible upon the release of pressure...
May 1, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28535390/spatial-memory-mice-quickly-learn-a-safe-haven
#8
S E Roian Egnor
New work on innate escape behavior shows that mice spontaneously form a spatially precise memory of the location of shelter, which is laid down quickly and updated continuously.
May 22, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28535356/one-dimensional-carrier-confinement-in-giant-cds-cdse-excitonic-nanoshells
#9
Natalia Razgoniaeva, Pavel Moroz, Mingrui Yang, Darya S Budkina, Holly Eckard, Marissa Augspurger, Dmitriy Khon, Alexander N Tarnovsky, Mikhail Zamkov
The emerging generation of quantum dot optoelectronic devices offers an appealing prospect of a size-tunable band gap. The confinement-enabled control over electronic properties, however, requires nanoparticles to be sufficiently small, which leads to a large area of inter-particle boundaries in a film. Such interfaces lead to a high density of surface traps which ultimately increase the electrical resistance of a solid. To address this issue, we have developed an inverse energy-gradient core/shell architecture supporting the quantum confinement in nanoparticles larger than the exciton Bohr radius...
May 23, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28535355/effect-of-composition-asymmetry-on-the-phase-separation-and-crystallization-in-double-crystalline-binary-polymer-blends-a-dynamic-monte-carlo-simulation-study
#10
Ashok Kumar Dasmahapatra
Polymer blends offer an exciting material for various potential applications due to their tunable properties by varying constituting components and their relative composition. Our simulation results unravel an intrinsic relationship between crystallization behavior and composition asymmetry. We report simulation results for non-isothermal and isothermal crystallization with weak and strong segregation strength to elucidate the composition dependent crystallization behavior. With increasing composition of low melting B-polymer, macrophase separation temperature changes non-monotonically, which is attributed to the non-monotonic change in diffusivity of both the polymers...
May 23, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28535348/coarse-grained-modeling-of-polyethylene-melts-effect-on-dynamics
#11
Brandon L Peters, K Michael Salerno, Anupriya Agrawal, Dvora Perahia, Gary S Grest
The distinctive viscoelastic behavior of polymers results from a coupled interplay of motion on multiple length and time scales. Capturing the broad time and length scales of polymer motion remains a challenge. Using polyethylene (PE) as a model macromolecule, we construct coarse-grained (CG) models of PE with 3-6 methyl groups per CG bead and probe two critical aspects of the technique: pressure corrections required after iterative Boltzmann inversion (IBI) to generate CG potentials that match the pressure of reference fully-atomistic melt simulations and the transferability of CG potentials across temperatures...
May 23, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28535344/clarifying-the-controversial-catalytic-performance-of-co-oh-2-and-co3o4-for-oxygen-reduction-evolution-reactions-toward-efficient-zn-air-batteries
#12
Zhishuang Song, Xiaopeng Han, Yida Deng, Naiqin Zhao, Wenbin Hu, Cheng Zhong
Cobalt-based nanomaterials have been widely studied as catalysts for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) due to their remarkable bifunctional catalytic activity, low cost and easy available. However, controversial results concerning OER/ORR performance exist between different types of cobalt-based catalysts, especially for Co(OH)2 and Co3O4. To address this issue, we develop a facile electrochemical deposition method to grow Co(OH)2 directly on the skeleton of carbon cloth, and further Co3O4 was obtained by post thermal treatment...
May 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28535338/a-flexible-lithium-ion-fiber-battery-by-regularly-stacking-two-dimensional-titanium-oxide-nanosheets-hybridized-with-reduced-graphene-oxide
#13
Tatsumasa Hoshide, Yuanchuan Zheng, Junyu Hou, Zhiqiang Wang, Qingwen Li, Zhigang Zhao, Renzhi Ma, Takayoshi Sasaki, Fengxia Geng
Increasing interest has recently been devoted to developing small, rapid, and portable electronic devices; thus, it is becoming critically important to provide matching light and flexible energy-storage systems to power them. To this end, compared with the inevitable drawbacks of being bulky, heavy, and rigid for traditional planar sandwiched structures, linear fiber-shaped lithium-ion batteries (LIB) have become increasingly important owing to their combined superiorities of miniaturization, adaptability, and weavability, the progress of which is heavily dependent on developing new fiber-shaped electrodes...
May 23, 2017: Nano Letters
https://www.readbyqxmd.com/read/28535319/linking-the-heart-and-the-head-humanism-and-professionalism-in-medical-education-and-practice
#14
Lynda Montgomery, Sana Loue, Kurt C Stange
This paper articulates a practical interpretive framework for understanding humanism in medicine through the lens of how it is taught and learned. Beginning with a search for key tensions and relevant insights in the literature on humanism in health professions education, we synthesized a conceptual model designed to foster reflection and action to realize humanistic principles in medical education and practice. The resulting model centers on the interaction between the heart and the head. The heart represents the emotive domains of empathy, compassion, and connectedness...
May 2017: Family Medicine
https://www.readbyqxmd.com/read/28535316/residents-confidence-providing-primary-care-with-behavioral-health-integration
#15
Patrick Hemming, Amber Hewitt, Joseph J Gallo, Rodger Kessler, R B Levine
BACKGROUND AND OBJECTIVES: Behavioral health integration (BHI) entails integrated behavioral health clinicians (IBHCs) providing care-generally for mental health and substance abuse disorders and behavioral comorbidity- within the operational functioning of primary care. Because limited data exist regarding BHI in residency, we studied its impact on resident education by examining whether increased behavioral health (BH) co-management improved residents' perceived ability to treat BH conditions...
May 2017: Family Medicine
https://www.readbyqxmd.com/read/28535309/sex-pheromone-dosages-and-release-point-densities-for-mating-disruption-of-ostrinia-furnacalis-lepidoptera-crambidae-in-ne-china-corn-fields
#16
Ri-Zhao Chen, Chung-Kuang Jow, Michael G Klein, Yu-di Jia, Da-Yu Zhang, Lan-Bing Li
Mating disruption of Ostrinia furnacalis (Guenée) (Lepidoptera: Crambidae) with its sex pheromone has not been commonly used in NE China due to a lack of information about optimal sex pheromone dosages and the density of release points required in the field. During 2014-2016, first, the two active pheromone ingredients were evaluated in the laboratory alone at ca. 2.5-5.0 mg, or in combination at 0.2-6.0 mg, to disrupt male O. furnacalis mating behaviors. Then, mating disruption areas, with radii of <8...
May 23, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28535306/examination-of-psychosocial-and-physiological-risk-for-bulimic-symptoms-in-youth-with-type-1-diabetes-transitioning-to-an-insulin-pump-a-pilot-study
#17
Claire M Peterson, Deborah Young-Hyman, Sarah Fischer, Jessica T Markowitz, Andrew B Muir, Lori M Laffel
This study tested hypotheses drawn from a risk model positing that psychosocial risk plus disease-related and treatment factors contribute to bulimic symptoms in youth with type 1 diabetes (T1D) transitioning to an insulin pump. The goal of this study was to examine whether disease-related factors, particularly disease- and treatment-based disruption in hunger and satiety, contribute to report of bulimic symptoms in youth with T1D after accounting for psychosocial risk factors. 43 youth (ages 10-17, 54% female) with established T1D were recruited before transition from multiple daily injections to insulin-pump therapy from three tertiary pediatric diabetes centers...
May 23, 2017: Journal of Pediatric Psychology
https://www.readbyqxmd.com/read/28535288/re-associations-of-accelerometry-assessed-and-self-reported-physical-activity-and-sedentary-behavior-with-all-cause-and-cardiovascular-mortality-among-us-adults
#18
(no author information available yet)
No abstract text is available yet for this article.
May 22, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28535281/the-relationship-between-surface-area-and-volume-of-common-blow-fly-diptera-calliphoridae-oviposition-sites-and-carrion-body-mass
#19
V A Pacheco, K R Hans, S L VanLaerhoven
Female blow flies (Diptera: Calliphoridae) demonstrate site preferences when ovipositing on carrion. Preference for oviposition sites is believed to reflect the suitability of the site such that the most preferred locations provide offspring with the greatest chance of survival. A number of factors might influence female choice, including area available for oviposition. For species known to aggregate during oviposition, the surface area of oviposition sites may be a key factor in the decision-making process...
May 23, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28535257/correlates-of-picky-eating-and-food-neophobia-in-young-children-a-systematic-review-and-meta-analysis
#20
Natasha Chong Cole, Ruopeng An, Soo-Yeun Lee, Sharon M Donovan
Picky eating behavior is prevalent among toddlers and may negatively impact their growth and development. This article summarizes the correlates of picky eating and food neophobia in young children, which were identified using a socio-ecological framework. A literature search was conducted in 4 electronic databases. Inclusion criteria were English-language peer-reviewed publications that investigated correlate(s) of picky eating or food neophobia in children aged ≤30 months. Correlates were categorized into 4 levels: cell, child, clan (family), and community/country...
May 23, 2017: Nutrition Reviews
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