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https://www.readbyqxmd.com/read/28549794/intensity-modulated-proton-therapy-and-osteoradionecrosis-in-oropharyngeal-cancer
#1
Wencheng Zhang, Xiaodong Zhang, Pei Yang, Pierre Blanchard, Adam S Garden, Brandon Gunn, C David Fuller, Mark Chambers, Katherine A Hutcheson, Rong Ye, Stephen Y Lai, Mohamed Abdallah Sherif Radwan, X Ron Zhu, Steven J Frank
PURPOSE: We compared mandibular doses and osteoradionecrosis in patients with oropharyngeal cancer after intensity-modulated radiation therapy (IMRT) or intensity-modulated proton therapy (IMPT). METHODS AND MATERIALS: We identified 584 patients who received definitive radiotherapy for oropharyngeal cancer from January 2011 through June 2014 at MD Anderson Cancer Center (534 IMRT and 50 IMPT). The dosimetric variables and osteoradionecrosis were compared with Chi-square test or Fisher's exact test...
May 23, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28546650/samango-monkeys-cercopithecus-albogularis-labiatus-manage-risk-in-a-highly-seasonal-human-modified-landscape-in-amathole-mountains-south-africa
#2
Katarzyna Nowak, Kirsten Wimberger, Shane A Richards, Russell A Hill, Aliza le Roux
Wild species use habitats that vary in risk across space and time. This risk can derive from natural predators and also from direct and indirect human pressures. A starving forager will often take risks that a less hungry forager would not. At a highly seasonal and human-modified site, we predicted that arboreal samango monkeys (Cercopithecus albogularis labiatus) would show highly flexible, responsive, risk-sensitive foraging. We first determined how monkeys use horizontal and vertical space across seasons to evaluate if high-risk decisions (use of gardens and ground) changed with season, a proxy for starvation risk...
2017: International Journal of Primatology
https://www.readbyqxmd.com/read/28545427/advantages-and-limitations-for-users-of-double-pit-pour-flush-latrines-a-qualitative-study-in-rural-bangladesh
#3
Faruqe Hussain, Thomas Clasen, Shahinoor Akter, Victoria Bawel, Stephen P Luby, Elli Leontsini, Leanne Unicomb, Milan Kanti Barua, Brittany Thomas, Peter J Winch
BACKGROUND: In rural Bangladesh, India and elsewhere, pour-flush pit latrines are the most common sanitation system. When a single pit latrine becomes full, users must empty it themselves and risk exposure to fresh feces, pay an emptying service to remove pit contents or build a new latrine. Double pit pour-flush latrines may serve as a long-term sanitation option including high water table areas because the pits do not need to be emptied immediately and the excreta decomposes into reusable soil...
May 25, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28545316/lower-extremity-fractures-in-patients-with-spinal-cord-injury-characteristics-outcome-and-risk-factors-for-non-unions
#4
Lukas Grassner, Barbara Klein, Doris Maier, Volker Bühren, Matthias Vogel
CONTEXT: Sublesional osteoporosis is an important sequel after spinal cord injury (SCI) resulting in a high incidence of fractures and impaired osseous healing due to altered bone metabolism. The following study aims to identify demographic characteristics and outcome of patients with SCI with lower extremity fractures. DESIGN: Retrospective observational study. SETTING: Level-I cross-regional trauma center. PARTICIPANTS: All patients with SCI suffering from osteoporotic/pathologic fractures during an 11-year-period (01/2003-12/2013) at the Center for Spinal Cord Injuries (Trauma Center Murnau) were analyzed via a chart review...
May 25, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28545131/major-changes-in-microbial-diversity-and-community-composition-across-gut-sections-of-a-juvenile-panchlora-cockroach
#5
Erin A Gontang, Frank O Aylward, Camila Carlos, Tijana Glavina Del Rio, Mansi Chovatia, Alison Fern, Chien-Chi Lo, Stephanie A Malfatti, Susannah G Tringe, Cameron R Currie, Roberto Kolter
Investigations of gut microbiomes have shed light on the diversity and genetic content of these communities, and helped shape our understanding of how host-associated microorganisms influence host physiology, behavior, and health. Despite the importance of gut microbes to metazoans, our understanding of the changes in diversity and composition across the alimentary tract, and the source of the resident community are limited. Here, using community metagenomics and 16S rRNA gene sequencing, we assess microbial community diversity and coding potential in the foregut, midgut, and hindgut of a juvenile Panchlora cockroach, which resides in the refuse piles of the leaf-cutter ant species Atta colombica...
2017: PloS One
https://www.readbyqxmd.com/read/28539722/effect-of-helix-aspersa-extract-on-tnf%C3%AE-nf-%C3%AE%C2%BAb-and-some-tumor-suppressor-genes-in-breast-cancer-cell-line-hs578t
#6
Ibtissem El Ouar, Cornelia Braicu, Dalila Naimi, Alexendru Irimie, Ioana Berindan-Neagoe
BACKGROUND: The garden snail, Helix aspersa, is a big land snail widely found in the Mediterranean countries. It is one of the most consumed species and widely used in zootherapy. OBJECTIVE: The present study was carried out to investigate for the first time the first time the antitumor activity of an aqueous extract from Helix aspersa. MATERIALS AND METHODS: The effect of H. aspersa extract was studied on a triple negative breast cancer cell line Hs578T...
April 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28539508/what-makes-specialized-food-caching-mountain-chickadees-successful-city-slickers
#7
Dovid Y Kozlovsky, Emily A Weissgerber, Vladimir V Pravosudov
Anthropogenic environments are a dominant feature of the modern world; therefore, understanding which traits allow animals to succeed in these urban environments is especially important. Overall, generalist species are thought to be most successful in urban environments, with better general cognition and less neophobia as suggested critical traits. It is less clear, however, which traits would be favoured in urban environments in highly specialized species. Here, we compared highly specialized food-caching mountain chickadees living in an urban environment (Reno, NV, USA) with those living in their natural environment to investigate what makes this species successful in the city...
May 31, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28539322/through-the-microscope-chelsea-garden-inspired-by-breast-cancer-research
#8
Birte Twisselmann
No abstract text is available yet for this article.
May 24, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28536582/population-level-differentiation-in-growth-rates-and-leaf-traits-in-seedlings-of-the-neotropical-live-oak-quercus-oleoides-grown-under-natural-and-manipulated-precipitation-regimes
#9
Jose A Ramírez-Valiente, Alyson Center, Jed P Sparks, Kimberlee L Sparks, Julie R Etterson, Timothy Longwell, George Pilz, Jeannine Cavender-Bares
Widely distributed species are normally subjected to spatial heterogeneity in environmental conditions. In sessile organisms like plants, adaptive evolution and phenotypic plasticity of key functional traits are the main mechanisms through which species can respond to environmental heterogeneity and climate change. While extended research has been carried out in temperate species in this regard, there is still limited knowledge as to how species from seasonally-dry tropical climates respond to spatial and temporal variation in environmental conditions...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28534665/-i-look-at-my-own-forest-and-fields-in-a-different-way-the-lived-experience-of-nature-based-therapy-in-a-therapy-garden-when-suffering-from-stress-related-illness
#10
Ulrik Sidenius, Ulrika K Stigsdotter, Dorthe Varning Poulsen, Terese Bondas
Evidence confirms that nature-based therapy (NBT) has a positive effect on people with mental illnesses. However, there is a lack of evidence on the meaning of NBT for specific patient groups. The Nacadia® Therapy Garden was designed according to an evidence-based design process, and an NBT programme was developed. The aim of the study was to illuminate the phenomenon of participants' lived experience of the NBT in Nacadia. Fourteen participants took part in semi-structured interviews (SSIs), and by way of reflective lifeworld research, the SSIs were analysed to identify and describe the meanings of the phenomenon...
December 2017: International Journal of Qualitative Studies on Health and Well-being
https://www.readbyqxmd.com/read/28529788/the-1-1-co-crystal-of-2-bromo-naphthalene-1-4-dione-and-1-8-di-hydroxy-anthracene-9-10-dione-crystal-structure-and-hirshfeld-surface-analysis
#11
Marlon D L Tonin, Simon J Garden, Mukesh M Jotani, Solange M S V Wardell, James L Wardell, Edward R T Tiekink
The asymmetric unit of the title co-crystal, C10H5BrO2·C14H8O4 [systematic name: 2-bromo-1,4-di-hydro-naphthalene-1,4-dione-1,8-dihy-droxy-9,10-di-hydro-anthracene-9,10-dione (1/1)], features one mol-ecule of each coformer. The 2-bromo-naphtho-quinone mol-ecule is almost planar [r.m.s deviation of the 13 non-H atoms = 0.060 Å, with the maximum deviations of 0.093 (1) and 0.099 (1) Å being for the Br atom and a carbonyl-O atom, respectively]. The 1,8-di-hydroxy-anthra-quinone mol-ecule is planar (r...
May 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28529389/effects-of-greening-and-community-reuse-of-vacant-lots-on-crime
#12
Michelle Kondo, Bernadette Hohl, SeungHoon Han, Charles Branas
The Youngstown Neighborhood Development Corporation initiated a 'Lots of Green' programme to reuse vacant land in 2010. We performed a difference-in-differences analysis of the effects of this programme on crime in and around newly treated lots, in comparison to crimes in and around randomly selected and matched, untreated vacant lot controls. The effects of two types of vacant lot treatments on crime were tested: a cleaning and greening 'stabilisation' treatment and a 'community reuse' treatment mostly involving community gardens...
November 2016: Urban Studies
https://www.readbyqxmd.com/read/28527952/community-gardening-in-poor-neighborhoods-in-france-a-way-to-re-think-food-practices
#13
Pauline Martin, Jean-Noël Consalès, Pascale Scheromm, Paul Marchand, Florence Ghestem, Nicole Darmon
Social inequalities in diet are attributed to sociocultural determinants, economic constraints, and unequal access to healthy food. Fruits and vegetables are lacking in the diets of disadvantaged populations. The objective was to test the hypothesis that, in poor neighborhoods, community gardeners will have larger supply of healthy food, especially fruit and vegetables, than non-gardeners. We examined community gardens from the perspective of production, economics and nutrition, and social and symbolic dimensions, through multidisciplinary investigations involving women with access to a community garden plot in a poor neighborhood of Marseille, France...
May 17, 2017: Appetite
https://www.readbyqxmd.com/read/28526953/mutual-interference-between-adult-females-of-galendromus-flumenis-acari-phytoseiidae-feeding-on-eggs-of-banks-grass-mite-decreases-predation-efficiency-and-increases-emigration-rate
#14
Fatemeh Ganjisaffar, Gösta Nachman, Thomas M Perring
The Banks grass mite, Oligonychus pratensis (Banks) (Acari: Tetranychidae) causes significant damage to dates in California (USA), if not controlled. Studies are underway to develop biological control strategies against this pest in dates using the predatory mite Galendromus flumenis (Chant) (Acari: Phytoseiidae). In California date gardens, this predator is found in low numbers that are insufficient for the economic suppression of Banks grass mites, and our research aims to understand why it fails to keep up with prey densities...
May 19, 2017: Experimental & Applied Acarology
https://www.readbyqxmd.com/read/28526560/limb-flexion-induced-axial-compression-and-bending-in-human-femoropopliteal-artery-segments
#15
William Poulson, Alexey Kamenskiy, Andreas Seas, Paul Deegan, Carol Lomneth, Jason MacTaggart
BACKGROUND: High failure rates of femoropopliteal artery (FPA) interventions are often attributed in part to severe mechanical deformations that occur with limb movement. Axial compression and bending of the FPA likely play significant roles in FPA disease development and reconstruction failure, but these deformations are poorly characterized. The goal of this study was to quantify axial compression and bending of human FPAs that are placed in positions commonly assumed during the normal course of daily activities...
May 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28516321/evaluating-local-adaptation-of-a-complex-phenotype-reciprocal-tests-of-pigmy-rattlesnake-venoms-on-treefrog-prey
#16
Sarah A Smiley-Walters, Terence M Farrell, H Lisle Gibbs
Theory predicts that predator-prey interactions can generate reciprocal selection pressures on species pairs, which can result in local adaptation, yet the presence and pattern of local adaptation is poorly studied in vertebrate predator-prey systems. Here, we used a reciprocal common garden (laboratory) experimental design involving comparisons between local and foreign populations to determine if local adaptation was present between a generalist predator-the pigmy rattlesnake (Sistrurus miliarius)-and a co-occurring prey-the squirrel treefrog (Hyla squirella)...
May 17, 2017: Oecologia
https://www.readbyqxmd.com/read/28514952/distributions-and-determinants-of-urinary-biomarkers-of-organophosphate-pesticide-exposure-in-a-prospective-spanish-birth-cohort-study
#17
Sabrina Llop, Mario Murcia, Carmen Iñiguez, Marta Roca, Llúcia González, Vicent Yusà, Marisa Rebagliato, Ferran Ballester
BACKGROUND: Prenatal exposure to organophosphate pesticides (OPs) has been associated with impaired child development. Pesticide exposure determinants need to be studied in order to identify sources and pathways of pesticide exposure. The aim of this paper is to describe prenatal exposure to OPs and evaluate the associated factors in pregnant women. METHODS: The study population consisted of pregnant women (n = 573) who participated in the INMA birth cohort study in Valencia (Spain, 2003-2006)...
May 17, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28512453/alterations-in-the-rumen-liquid-particle-and-epithelium-associated-microbiota-of-dairy-cows-during-the-transition-from-a-silage-and-concentrate-based-ration-to-pasture-in-spring
#18
Melanie Schären, Kerstin Kiri, Susanne Riede, Mark Gardener, Ulrich Meyer, Jürgen Hummel, Tim Urich, Gerhard Breves, Sven Dänicke
In spring dairy cows are often gradually transitioned from a silage- and concentrate-based ration (total mixed ration, TMR) to pasture. Rumen microbiota adaptability is a key feature of ruminant survival strategy. However, only little is known on the temporal and spatial microbial alterations involved. This study aims to investigate how the rumen liquid (LAAB), particle (PAAB), and epithelium (EAAB) associated archaea and bacteria are influenced by this nutritional change. A 10-wk trial was performed, including 10 rumen-fistulated dairy cows, equally divided into a pasture- and a confinement- group (PG and CG)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28510250/a-set-of-novel-microsatellite-markers-developed-for-an-economically-important-tree-dracontomelon-duperreanum-in-china
#19
Z F Wang, H L Cao, L F Wu, Y Guo, Q M Mei, M Li, Y Wang, Z M Wang
Dracontomelon duperreanum, the most representative species of the family Anacardiaceae, is an important multipurpose tree in China and Vietnam. However, no genetic diversity studies have been reported on this species. In this study, we identified 11 microsatellite markers for D. duperreanum by using the restriction-site-associated DNA sequencing (RAD-seq) method and examined their polymorphisms in 22 samples obtained from the South China Botanical Garden, South China. We could detect only two or three alleles for each microsatellite marker...
May 10, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28508039/naturally-acidified-habitat-selects-for-ocean-acidification-tolerant-mussels
#20
Jörn Thomsen, Laura S Stapp, Kristin Haynert, Hanna Schade, Maria Danelli, Gisela Lannig, K Mathias Wegner, Frank Melzner
Ocean acidification severely affects bivalves, especially their larval stages. Consequently, the fate of this ecologically and economically important group depends on the capacity and rate of evolutionary adaptation to altered ocean carbonate chemistry. We document successful settlement of wild mussel larvae (Mytilus edulis) in a periodically CO2-enriched habitat. The larval fitness of the population originating from the CO2-enriched habitat was compared to the response of a population from a nonenriched habitat in a common garden experiment...
April 2017: Science Advances
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