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https://www.readbyqxmd.com/read/28652055/access-to-a-loaded-gun-without-adult-permission-and-school-based-bullying
#1
Maayan S Simckes, Joseph A Simonetti, Megan A Moreno, Frederick P Rivara, Barbara A Oudekerk, Ali Rowhani-Rahbar
PURPOSE: Gun access and bullying are risk factors for sustaining or perpetrating violence among adolescents. Our knowledge of gun access among bullied students is limited. METHODS: We used data on students, aged 12-18 years, from the 2011 and 2013 School Crime Supplement to the National Crime Victimization Survey to assess the association between self-reported bullying victimization (traditional and cyber) and access to a loaded gun without adult permission. Prevalence ratios (PRs) and confidence intervals (CIs) were obtained from multivariable Poisson regression using the Taylor series after controlling for student age, sex, family income, public/private school, and race...
June 23, 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28613228/rna-seq-reveals-transcriptomic-differences-in-inflamed-and-noninflamed-intestinal-mucosa-of-crohn-s-disease-patients-compared-with-normal-mucosa-of-healthy-controls
#2
Sung Noh Hong, Je-Gun Joung, Joon Seol Bae, Chan Soo Lee, Ja Seol Koo, Soo Jung Park, Jong Pil Im, You Sun Kim, Ji Won Kim, Woong Yang Park, Young-Ho Kim
BACKGROUND: Aberrant gene expression in the gut mucosa might contribute to the initiation and progression of Crohn's disease (CD). RNA sequencing (RNA-seq) provides precise measurements of expression levels of transcripts and their isoforms. The aim of this study was to use RNA-seq to investigate transcriptomic differences and identify significantly differentially expressed transcripts in inflamed and noninflamed intestinal mucosa of CD patients. METHODS: RNA-seq was performed on 13 pairs of inflamed and noninflamed intestinal mucosa from 13 CD patients and on sex-matched normal mucosa of 13 healthy controls...
July 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28611731/the-genomic-architecture-of-novel-simulium-damnosum-wolbachia-prophage-sequence-elements-and-implications-for-onchocerciasis-epidemiology
#3
James L Crainey, Jacob Hurst, Poppy H L Lamberton, Robert A Cheke, Claire E Griffin, Michael D Wilson, Cláudia P Mendes de Araújo, María-Gloria Basáñez, Rory J Post
Research interest in Wolbachia is growing as new discoveries and technical advancements reveal the public health importance of both naturally occurring and artificial infections. Improved understanding of the Wolbachia bacteriophages (WOs) WOcauB2 and WOcauB3 [belonging to a sub-group of four WOs encoding serine recombinases group 1 (sr1WOs)], has enhanced the prospect of novel tools for the genetic manipulation of Wolbachia. The basic biology of sr1WOs, including host range and mode of genomic integration is, however, still poorly understood...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28598594/tethering-growth-factors-to-collagen-surfaces-using-copper-free-click-chemistry-surface-characterization-and-in-vitro-biological-response
#4
Hyun Jong Lee, Gabriella Fernandes-Cunha, Ilham Putra, Won-Gun Koh, David Myung
Surface modifications with tethered growth factors have mainly been applied to synthetic polymeric biomaterials in well-controlled, acellular settings, followed by seeding with cells. The known bio-orthogonality of copper-free click chemistry provides an opportunity to not only use it in vitro to create scaffolds or pro-migratory tracks in the presence of living cells, but also potentially apply it to living tissues directly as a coupling modality in situ. In this study, we studied the chemical coupling of growth factors to collagen using biocompatible copper-free click chemistry and its effect on the enhancement of growth factor activity in vitro...
June 9, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28598421/a-two-dimensional-dirac-fermion-microscope
#5
Peter Bøggild, José M Caridad, Christoph Stampfer, Gaetano Calogero, Nick Rübner Papior, Mads Brandbyge
The electron microscope has been a powerful, highly versatile workhorse in the fields of material and surface science, micro and nanotechnology, biology and geology, for nearly 80 years. The advent of two-dimensional materials opens new possibilities for realizing an analogy to electron microscopy in the solid state. Here we provide a perspective view on how a two-dimensional (2D) Dirac fermion-based microscope can be realistically implemented and operated, using graphene as a vacuum chamber for ballistic electrons...
June 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28586157/role-of-point-shear-wave-elastography-in-the-determination-of-the-severity-of-fibrosis-in-pediatric-liver-diseases-with-pathologic-correlations
#6
Mehmet Burak Özkan, Meltem Ceyhan Bilgici, Esra Eren, Gonul Caltepe, Gulay Yilmaz, Cengiz Kara, Seda Gun
OBJECTIVES: Our aims in this study were as follows: (1) to determine the cutoff value that can distinguish between advanced liver fibrosis and normal liver tissue for two different elastographic techniques; (2) to determine the cutoff value that can distinguish mild liver fibrosis from normal liver tissue for the techniques; and (3) to assess tissue stiffness in nonalcoholic fatty liver disease (NAFLD). METHODS: Seventy-five patients assessed for liver biopsy on the same day were evaluated by point shear wave elastography...
June 6, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28551290/penetrating-head-injury-by-a-nail-gun-case-report-review-of-the-literature-and-management-considerations
#7
Jonathan Awori, D Andrew Wilkinson, Joseph J Gemmete, B Gregory Thompson, Neeraj Chaudhary, Aditya S Pandey
Our objective is to discuss penetrating head injuries (PHIs) which, although rare, lead to considerable morbidity and mortality. One of the most significant culprits of PHI is the nail gun, which was introduced in 1959 and has gained substantial popularity. We describe our successful strategy for removing an 8-cm nail that penetrated through the orbit and middle cranial fossa, with the tip lodged within the posterior fossa. Vascular imaging and balloon test occlusion are imperative in circumstances where vessel sacrifice is necessary...
May 24, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28546933/correlation-of-neutrophil-lymphocyte-and-platelet-lymphocyte-ratio-with-visual-acuity-and-macular-thickness-in-age-related-macular-degeneration
#8
Elvan Alper Sengul, Ozgur Artunay, Alev Kockar, Ceyda Afacan, Rifat Rasier, Palmet Gun, Nazli Gul Yalcin, Erdal Yuzbasioglu
AIM: To investigate the place of neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR) in the diagnosis of and prognosis for neovascular age-related macular degeneration (AMD). METHODS: One hundred AMD patients and 100 healthy controls were included in the study. Blood samples were obtained from the venous blood, which is used for routine analysis, and these samples were subjected to complete blood count. NLR was defined as the neutrophil count divided by the number of lymphocytes, and PLR was defined as the platelet count divided by the number of lymphocytes...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28532991/estimating-population-density-for-disease-risk-assessment-the-importance-of-understanding-the-area-of-influence-of-traps-using-wild-pigs-as-an-example
#9
Amy J Davis, Bruce Leland, Michael Bodenchuk, Kurt C VerCauteren, Kim M Pepin
Population density is a key driver of disease dynamics in wildlife populations. Accurate disease risk assessment and determination of management impacts on wildlife populations requires an ability to estimate population density alongside management actions. A common management technique for controlling wildlife populations to monitor and mitigate disease transmission risk is trapping (e.g., box traps, corral traps, drop nets). Although abundance can be estimated from trapping actions using a variety of analytical approaches, inference is limited by the spatial extent to which a trap attracts animals on the landscape...
June 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28528742/patterns-of-gun-deaths-across-us-counties-1999-2013
#10
Bindu Kalesan, Sandro Galea
PURPOSE: We examined the socio-demographic distribution of gun deaths across 3143 counties in 50 United States' states to understand the spatial patterns and correlates of high and low gun deaths. METHODS: We used aggregate counts of gun deaths and population in all counties from 1999 to 2013 from the Centers for Disease Control and Prevention's Wide-ranging Online Data for Epidemiologic Research (WONDER). We characterized four levels of gun violence, as distinct levels of gun death rates of relatively safe, unsafe, violent, and extremely violent counties, based on quartiles of 15-year county-specific gun death rates per 100,000 and used negative binomial regression models allowing clustering by state to calculate incidence rate ratios and 95% confidence intervals (95% CIs)...
April 27, 2017: Annals of Epidemiology
https://www.readbyqxmd.com/read/28525644/risk-factors-and-clinical-outcomes-of-breakthrough-yeast-bloodstream-infections-in-patients-with-hematological-malignancies-in-the-era-of-newer-antifungal-agents
#11
Si-Hyun Kim, Jae-Ki Choi, Sung-Yeon Cho, Hyo-Jin Lee, Sun Hee Park, Su-Mi Choi, Dong-Gun Lee, Jung-Hyun Choi, Jin-Hong Yoo, Jong-Wook Lee
Although yeast bloodstream infections (BSIs) are increasingly being reported in patients with hematological malignancies undergoing antifungal therapy, clinical information regarding breakthrough infections is scarce. The aim of this study was to determine the risk factors for and clinical outcomes of breakthrough yeast BSIs in patients with hematological malignancies in the era of newer antifungal agents. Between 2011 and 2014, all consecutive patients with hematological malignancies who developed yeast BSIs were included in a case-control study wherein breakthrough infections (cases) and de novo infections (controls) were compared...
May 19, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28522589/identification-of-cancer-targeted-tropomyosin-inhibitors-and-their-synergy-with-microtubule-drugs
#12
Mark A Currier, Justine R Stehn, Ashleigh Swain, Duo Chen, Jeff Hook, Eleanor Eiffe, Andrew Heaton, David Brown, Brooke Nartker, David W Eaves, Nina Kloss, Herbert Treutlein, Jun Zeng, Irina B Alieva, Vera B Dugina, Edna C Hardeman, Peter W Gunning, Timothy P Cripe
Actin filaments, with their associated tropomyosin polymers, and microtubules are dynamic cytoskeletal systems regulating numerous cell functions. While anti-microtubule drugs are well-established, anti-actin drugs have been more elusive. We previously targeted actin in cancer cells by inhibiting the function of a tropomyosin isoform enriched in cancer cells, Tpm3.1, using a first-in-class compound, TR100. Here, we screened over 200 other anti-tropomyosin analogues for anti-cancer and on-target activity using a series of in vitro cell-based and biochemical assays...
May 18, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28520488/firearm-legislation-and-fatal-police-shootings-in-the-united-states
#13
Aaron J Kivisto, Bradley Ray, Peter L Phalen
OBJECTIVES: To examine whether stricter firearm legislation is associated with rates of fatal police shootings. METHODS: We used a cross-sectional, state-level design to evaluate the effect of state-level firearm legislation on rates of fatal police shootings from January 1, 2015, through October 31, 2016. We measured state-level variation in firearm laws with legislative scorecards from the Brady Center, and for fatal police shootings we used The Counted, an online database maintained by The Guardian...
July 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28516339/holding-manufacturers-of-defective-firearms-to-account-does-restricting-liability-lawsuits-violate-the-second-amendment
#14
Neil J Nusbaum
Judicial and statutory developments since 2005 have placed considerable roadblocks in the way of legal efforts against the epidemic of gun violence in the United States. Although the Second Amendment is most often cited by those opposed to gun control, it offers a potential opportunity to be invoked in support of harm minimization.
May 17, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28509378/evaluation-of-the-skin-phototoxicity-and-photosensitivity-of-honeybee-venom
#15
Sang Mi Han, In Phyo Hong, Soon Ok Woo, Se Gun Kim, He Rye Jang, Kwan Kyu Park
OBJECTIVE: Bee (Apis mellifera L.) venom (BV) has been used as a cosmetic ingredient owing to its anti-aging, anti-inflammatory, and antibacterial effects. The aim of this study was to assess the skin safety of BV. METHODS: For this purpose, skin phototoxicity and sensitization tests were conducted in healthy male Hartley guinea pigs. The animals were divided into three groups (n=5) for the phototoxicity test: G1 (negative control), G2 (BV gel treatment), and G3 (positive control)...
May 16, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28502906/anti-inflammatory-effects-of-forsythia-suspensa-in-dextran-sulfate-sodium-induced-colitis
#16
Youn-Hwan Hwang, Dong-Gun Kim, Wei Li, Hye Jin Yang, Nam-Hui Yim, Jin Yeul Ma
ETHNOPHARMACOLOGICAL RELEVANCE: Forsythia suspensa Fructus (FS) is used to treat various inflammatory disorders in traditional Oriental medicine, including gastrointestinal diseases, but its therapeutic potential in ulcerative colitis is unclear. Thus, we investigated any potential therapeutic effects of FS against intestinal inflammation and the bioactive constituents in FS. MATERIALS AND METHODS: After the induction of colitis using 3% dextran sulfate sodium, FS (100mg/kg/day) was administered orally during the experimental period...
May 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28488235/emulating-host-microbiome-ecosystem-of-human-gastrointestinal-tract-in-vitro
#17
Gun-Seok Park, Min Hee Park, Woojung Shin, Connie Zhao, Sameer Sheikh, So Jung Oh, Hyun Jung Kim
The human gut microbiome performs prodigious physiological functions such as production of microbial metabolites, modulation of nutrient digestion and drug metabolism, control of immune system, and prevention of infection. Paradoxically, gut microbiome can also negatively orchestrate the host responses in diseases or chronic disorders, suggesting that the regulated and balanced host-gut microbiome crosstalk is a salient prerequisite in gastrointestinal physiology. To understand the pathophysiological role of host-microbiome crosstalk, it is critical to recreate in vivo relevant models of the host-gut microbiome ecosystem in human...
May 10, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28481962/the-association-between-urban-tree-cover-and-gun-assault-a-case-control-and-casecrossover-study
#18
Michelle C Kondo, Eugenia C South, Charles C Branas, Therese S Richmond, Douglas J Wiebe
Green space and vegetation may play a protective role for urban violence. We investigated whether being near urban tree cover during outdoor activities related to being assaulted with a gun. We conducted GIS-assisted interviews with 10- to 24-year old males in Philadelphia, PA including 135 patients who had been shot with a firearm and 274 community controls, between 2008-2011. Each subject reported a step-by-step mapped account of where and with whom they travelled over a full day from waking until being assaulted or going to bed...
May 6, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28480517/the-clinical-outcomes-of-patients-with-portal-vein-tumor-thrombi-after-living-donor-liver-transplantation
#19
Ho Joong Choi, Dong Goo Kim, Gun Hyung Na, Tae Ho Hong, Si Hyun Bae, Young Kyoung You, Jong Young Choi, Seung Kew Yoon
INTRODUCTION: The purpose of this study was to evaluate the feasibility of living-donor liver transplantation (LDLT) for treatment of patients with hepatocellular carcinoma (HCC) and segmental portal vein tumor thrombi (PVTT) below the second-order branch. PATIENTS AND METHODS: Between January 2005 and December 2015, we retrospectively analyzed 242 patients in a control group (n = 184), a microvascular invasion (MVI) group (n = 24), and a PVTT group (n = 34). To assess the risks associated with PVTT, we evaluated recurrence, the disease-free survival rate (DFS), the overall survival rate (OS), and various other factors based on the characteristics of patients and tumors...
May 8, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28469758/frequent-immediate-knowledge-of-results-enhances-the-increase-of-throwing-velocity-in-overarm-handball-performance
#20
Igor Štirn, Jamie Carruthers, Marko Šibila, Primož Pori
In the present study, the effect of frequent, immediate, augmented feedback on the increase of throwing velocity was investigated. An increase of throwing velocity of a handball set shot when knowledge of results was provided or not provided during training was compared. Fifty female and seventy-three male physical education students were assigned randomly to the experimental or control group. All participants performed two series of ten set shots with maximal effort twice a week for six weeks. The experimental group received information regarding throwing velocity measured by a radar gun immediately after every shot, whereas the control group did not receive any feedback...
February 2017: Journal of Human Kinetics
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