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https://www.readbyqxmd.com/read/28215050/racial-disparities-in-preventable-risk-factors-for-head-and-neck-cancer
#1
Sunshine Dwojak, Neil Bhattacharyya
OBJECTIVES/HYPOTHESIS: To demonstrate racial differences in preventable risk behaviors/practices that contribute to head and neck cancer (HNCA). STUDY DESIGN: Cross-sectional analysis of large national risk factor survey. METHODS: The Behavioral Risk Factor Surveillance System for 2013 was analyzed. Demographic data were extracted, including age, sex, and race. Social habits considered risk factors for HNCA were also extracted, including alcohol consumption, smoking, and human papillomavirus (HPV) vaccination status...
February 19, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28215016/reconciling-competing-values-placed-upon-goose-populations-the-evolution-of-and-experiences-from-the-islay-sustainable-goose-management-strategy
#2
Rae McKenzie, Jessica M Shaw
The Scottish island of Islay hosts 45 000 barnacle geese Branta leucopsis (56% of the Greenland barnacle goose population, plus those passing through on migration), 5000 Greenland white-fronted geese Anser albifrons flavirostris (up to 30% of the world population) and 2500 greylag geese Anser anser, most of which feed on 9000 ha of grassland. The financial impacts of estimated agricultural damage have risen greatly over the past 20 years due to increasing goose numbers and higher farming costs. Mechanisms implemented to resolve conflict over time are reviewed for their effectiveness...
March 2017: Ambio
https://www.readbyqxmd.com/read/28214986/astrocyte-sodium-signalling-and-panglial-spread-of-sodium-signals-in-brain-white-matter
#3
Behrouz Moshrefi-Ravasdjani, Evelyn L Hammel, Karl W Kafitz, Christine R Rose
In brain grey matter, excitatory synaptic transmission activates glutamate uptake into astrocytes, inducing sodium signals which propagate into neighboring astrocytes through gap junctions. These sodium signals have been suggested to serve an important role in neuro-metabolic coupling. So far, it is unknown if astrocytes in white matter-that is in brain regions devoid of synapses-are also able to undergo such intra- and intercellular sodium signalling. In the present study, we have addressed this question by performing quantitative sodium imaging in acute tissue slices of mouse corpus callosum...
February 18, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28214960/axonal-disruption-in-white-matter-underlying-cortical-sulcus-tau-pathology-in-chronic-traumatic-encephalopathy
#4
Laurena Holleran, Joong Hee Kim, Mihika Gangolli, Thor Stein, Victor Alvarez, Ann McKee, David L Brody
Chronic traumatic encephalopathy (CTE) is a progressive degenerative disorder associated with repetitive traumatic brain injury. One of the primary defining neuropathological lesions in CTE, based on the first consensus conference, is the accumulation of hyperphosphorylated tau in gray matter sulcal depths. Post-mortem CTE studies have also reported myelin loss, axonal injury and white matter degeneration. Currently, the diagnosis of CTE is restricted to post-mortem neuropathological analysis. We hypothesized that high spatial resolution advanced diffusion MRI might be useful for detecting white matter microstructural changes directly adjacent to gray matter tau pathology...
February 18, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28214937/factors-affecting-the-variability-in-the-observed-levels-of-cadmium-in-blood-and-urine-among-former-and-current-smokers-aged-20-64-and-%C3%A2-65years
#5
Ram B Jain
Data from National Health and Nutrition Examination Survey for 1999-2012 were used to evaluate factors that affect observed levels of blood cadmium (BCd) and urine cadmium (UCd) among former and current smokers aged 20-64 and ≥65 years. Adjusted levels (AGM) for BCd and UCd were higher among females as compared to males. The order of AGM for BCd by race/ethnicity for 20-64 years old was non-Hispanic white (NHW) < non-Hispanic black (NHB) and NHW > NHB for ≥65 years old. The order of AGMs for UCd for 20-64-year-old current smokers was NHW > NHB and NHW > NHB for former smokers...
February 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28214835/up-regulation-of-tgf-%C3%AE-promotes-tendon-to-bone-healing-after-anterior-cruciate-ligament-reconstruction-using-bone-marrow-derived-mesenchymal-stem-cells-through-the-tgf-%C3%AE-mapk-signaling-pathway-in-a-new-zealand-white-rabbit-model
#6
Rui Wang, Bin Xu, Hong-Gang Xu
BACKGROUND/AIMS: This study aimed to explore the role of TGF-β in tendon-to-bone healing after anterior cruciate ligament (ACL) reconstruction using bone marrow-derived mesenchymal stem cells (BMSCs) through the TGF-β/MAPK signaling pathway in a New Zealand white rabbit model. METHODS: A total of 72 healthy male New Zealand white rabbits were selected for these experiments. Flow cytometry and immunofluorescence were used to detect the expression of BMSC surface markers, and qRT-PCR was performed to detect TGF-β mRNA expression...
January 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214742/what-s-the-agreement-between-self-reported-and-biochemical-verification-of-drug-use-a-look-at-permanent-supportive-housing-residents
#7
Alexis Rendon, Melvin Livingston, Sumihiro Suzuki, Whitney Hill, Scott Walters
Self-reported substance use is commonly used as an outcome measure in treatment research. We evaluated the validity of self-reported drug use in a sample of 334 adults with mental health problems who were residing in supportive housing programs. The primary analysis was the calculation of the positive predictive values (PPVs) of self-report compared to an oral fluid test taken at the same time. A sensitivity analysis compared the positive predictive values of two self-reported drug use histories: biological testing window (ranging between the past 96h to 30days depending on drug type) or the full past 90-day comparison window (maximum length recorded during interview)...
February 10, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28214740/youth-use-of-electronic-vapor-products-and-blunts-for-administering-cannabis
#8
Matthew E Eggers, Youn O Lee, Kyle Jackson, Jenny L Wiley, Lauren Porter, James M Nonnemaker
BACKGROUND: The positive association between youth use of cannabis and tobacco is well-established, and reports show that some youth are using electronic vapor products (EVPs) to administer cannabis. This study examines the prevalence and correlates of youth consumption of cannabis via EVP and how this compares with co-use of cannabis with cigars (blunts) among a large statewide sample of youth. METHODS: We used data from the Florida Youth Tobacco Survey (FYTS), a school-based, pencil-and-paper questionnaire given to Florida middle and high school students (N=12,320)...
February 10, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28214707/shortcuts-to-a-functional-adipose-tissue-the-role-of-small-non-coding-rnas
#9
REVIEW
Bruna B Brandão, Beatriz A Guerra, Marcelo A Mori
Metabolic diseases such as type 2 diabetes are a major public health issue worldwide. These diseases are often linked to a dysfunctional adipose tissue. Fat is a large, heterogenic, pleiotropic and rather complex tissue. It is found in virtually all cavities of the human body, shows unique plasticity among tissues, and harbors many cell types in addition to its main functional unit - the adipocyte. Adipose tissue function varies depending on the localization of the fat depot, the cell composition of the tissue and the energy status of the organism...
February 7, 2017: Redox Biology
https://www.readbyqxmd.com/read/28214702/triploid-atlantic-salmon-shows-similar-performance-fatty-acid-composition-and-proteome-response-to-diploids-during-early-freshwater-rearing
#10
Waldo G Nuez-Ortín, Chris G Carter, Richard Wilson, Ira R Cooke, Gianluca Amoroso, Jennifer M Cobcroft, Peter D Nichols
There is currently renewed interest in farming triploid Atlantic salmon. Improving farming requires identifying triploid specific phenotypic and physiological traits that are uniquely derived from ploidy per se and developed under optimal growing conditions. This study investigated firstly, the impact of ploidy on growth performance and whole body composition of Atlantic salmon at different early freshwater stages [34dph (days post-hatching) alevin, 109dph fry, and 162dph parr] and secondly, whether phenotypic differences at these stages were reflected in protein samples collected from whole fish, white muscle or liver tissue...
February 11, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28214697/characterization-of-white-poplar-and-eucalyptus-after-ionic-liquid-pretreatment-as-a-function-of-biomass-loading-using-x-ray-diffraction-and-small-angle-neutron-scattering
#11
Xueming Yuan, Yonghao Duan, Lilin He, Seema Singh, Blake Simmons, Gang Cheng
A systematic study was performed to understand interactions among biomass loading during ionic liquid (IL) pretreatment, biomass type and biomass structures. White poplar and eucalyptus samples were pretreated using 1-ethyl-3-methylimidazolium acetate (EmimOAc) at 110°C for 3h at biomass loadings of 5, 10, 15, 20 and 25wt%. All of the samples were chemically characterized and tested for enzymatic hydrolysis. Physical structures including biomass crystallinity and porosity were measured by X-ray diffraction (XRD) and small angle neutron scattering (SANS), respectively...
February 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28214688/h2s-causes-contraction-and-relaxation-of-major-arteries-of-the-rabbit
#12
Martin Caprnda, Tawar Qaradakhi, Joanne L Hart, Nazarii Kobyliak, Radka Opatrilova, Peter Kruzliak, Anthony Zulli
OBJECTIVE: Cardiovascular disease (CVD) caused by atherosclerosis remains a worldwide burden. Hydrogen sulfide is a promising new therapeutic avenue for the treatment of CVD, however reports show exogenous H2S has both vasodilator and vasoconstrictor effects depending on organ examined, and in vitro studies in animal models which are not resistant to developing atherosclerosis are limited. We sought to determine if rabbit arteries constricted or dilated to hydrogen sulfide. MATERIAL AND METHODS: The aorta, carotid, renal and iliac arteries were harvested from New Zealand White rabbits (n=4) and subjected to a concentration response curve to the fast H2S releaser NaHS...
February 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28214669/correlates-of-overweight-and-obesity-in-5529-adolescents-with-type-1-diabetes-the-t1d-exchange-clinic-registry
#13
Karl E Minges, Robin Whittemore, Stuart A Weinzimer, Melinda L Irwin, Nancy S Redeker, Margaret Grey
AIMS: To describe the prevalence of overweight and obesity in adolescents with type 1 diabetes (T1D) and to examine the associations among socio-demographic, clinical, and self-management factors by weight status. METHODS: We analyzed baseline data obtained from 5529 adolescents with T1D (mean age=15.4±1.4years, 51.8% male, 77.9% white, mean HbA1c=8.7±1.8%; 72mmol/mol) from the T1D Exchange Clinic Registry. We examined correlates of weight status using multinomial logistic regression analyses...
February 4, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28214601/the-inhibition-of-mating-in-phycomyces-blakesleeanus-by-light-is-dependent-on-the-mada-madb-complex-that-acts-in-a-sex-specific-manner
#14
Viplendra P S Shakya, Alexander Idnurm
Light is an environmental signal that influences reproduction in the Mucoromycotina fungi, as it does in many other species of fungi. Mating in Phycomyces blakesleeanus is inhibited by light, but the molecular mechanisms for this inhibition are uncharacterized. In this analysis, the role of the light-sensing MadA-MadB complex in mating was tested. The MadA-MadB complex is homologous to the Neurospora crassa White Collar complex. Three genes required for cell type determination in the sex locus or pheromone biosynthesis are transcriptionally-regulated by light and are controlled by MadA and MadB...
February 15, 2017: Fungal Genetics and Biology: FG & B
https://www.readbyqxmd.com/read/28214600/intestine-oxidative-stress-and-immune-response-to-sulfide-stress-in-pacific-white-shrimp-litopenaeus-vannamei
#15
Yafei Duan, Hongbiao Dong, Yun Wang, Hua Li, Qingsong Liu, Yue Zhang, Jiasong Zhang
The effects of sulfide stress on oxidative stress and immune response in intestine of Pacific white shrimp Litopenaeus vannamei were evaluated in the present study. Oxidative stress parameters, immune enzymes activity and immune gene mRNA expression level were detected in intestine of L. vannamei after the exposure of 5.0 mg/L sulfide stress 72 h. The duration of sulfide stress influenced the shrimp survival, and the cumulative mortality rate was 30.0% and 33.3% at 48 h and 72 h respectively. HE staining showed that sulfide stress caused the intestine tissue damage symptoms...
February 15, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28214438/stepwise-dynamics-of-an-anionic-micellar-film-formation-of-crown-lenses
#16
Jongju Lee, Alex Nikolov, Darsh Wasan
We studied the stepwise thinning of a microscopic circular foam film formed from an anionic micellar solution of sodium dodecyl sulfate (SDS). The foam film formed from the SDS micellar solution thins in a stepwise manner by the formation and expansion of a dark spot(s) of one layer less than the film thickness. During the last stages of film thinning (e.g., a film with one micellar layer), the dark spot expansion occurs via two steps. Initially, a small dark circular spot inside a film of several microns in size is formed, which expands at a constant rate...
January 31, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28214356/comparative-analysis-of-the-transcriptional-responses-to-low-and-high-temperature-in-three-rice-planthopper-species
#17
Hai-Jian Huang, Jian Xue, Ji-Chong Zhuo, Ruo-Lin Cheng, Hai-Jun Xu, Chuan-Xi Zhang
The brown planthopper (Nilaparvata lugens, BPH), white-backed planthopper (Sogatella furcifera, WBPH), and small brown planthopper (Laodelphax striatellus, SBPH) are important rice pests in Asia. These three species differ in thermal tolerance and exhibit quite different migration and overwintering strategies. To understand the underlying mechanisms, we sequenced and compared the transcriptome of the three species under different temperature treatments. We found that metabolism-, exoskeleton-, and chemosensory-related genes were modulated...
February 18, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28214332/comparison-of-several-white-matter-tracts-in-feline-and-canine-brain-by-using-magnetic-resonance-diffusion-tensor-imaging
#18
Olivier Jacqmot, Bert Van Thielen, Alex Michotte, Inneke Willekens, Filip Verhelle, Peter Goossens, Filip De Ridder, Jan Pieter Clarys, Anne Vanbinst, Cindy Peleman, Johan de Mey
Recently, we published a first anatomical Diffusion Tensor Imaging (DTI) atlas regarding white matter tracts in the canine brain. The purpose of this study was to show the significance of DTI in the revelation of the white matter fibres in the feline brain (i.e. to obtain an anatomical DTI atlas of images) and to descriptively compare these to previously obtained white matter fibre images of the canine brain. DTI MR Images of 4 cats euthanised for reasons other than neurological disorders were obtained with a 3 T system...
February 18, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28214281/patient-characterization-and-usage-trends-of-proton-beam-therapy-for-localized-prostate-cancer-in-the-united-states-a-study-of-the-national-cancer-database
#19
Arya Amini, David Raben, E David Crawford, Thomas W Flaig, Elizabeth R Kessler, Elaine T Lam, Paul Maroni, Thomas J Pugh
PURPOSE: To evaluate usage trends and identify factors associated with proton beam therapy (PBT) compared to alternative forms of external beam radiation therapy (RT) (EBRT) for localized prostate cancer. PATIENTS AND METHODS: The National Cancer Database was queried for men with localized (N0, M0) prostate cancer diagnosed between 2004 and 2013, treated with EBRT, with available data on EBRT modality (photon vs. PBT). Binary multiple logistic regression identified variables associated with EBRT modality...
February 14, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28214274/intra-abdominal-fungal-pseudomycetoma-in-two-cats
#20
Matheus V Bianchi, Cláudio J M Laisse, Thainã P Vargas, Flademir Wouters, Fabiana M Boabaid, Saulo P Pavarini, Laerte Ferreiro, David Driemeier
BACKGROUND: Pseudomycetomas are deep cutaneous to subcutaneous lesions caused by Microsporum canis mainly described in Persian cats, with few reports of intra-abdominal location. This report describes the clinical signs and lesions of intra-abdominal pseudomycetomas caused by M. canis in two Persian cats. CASE REPORT: Two Persian cats with a history of previous laparotomy (ovariohysterectomy and nephrostomy) and fecal impaction were examined. Cat #1 was euthanized and subjected to necropsy, histopathology and mycological evaluation...
February 14, 2017: Revista Iberoamericana de Micología
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