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https://www.readbyqxmd.com/read/28531955/influence-of-sediment-chemistry-and-sediment-toxicity-on-macroinvertebrate-communities-across-99-wadable-streams-of-the-midwestern-usa
#1
Patrick W Moran, Lisa H Nowell, Nile E Kemble, Barbara J Mahler, Ian R Waite, Peter C Van Metre
Simultaneous assessment of sediment chemistry, sediment toxicity, and macroinvertebrate communities can provide multiple lines of evidence when investigating relations between sediment contaminants and ecological degradation. These three measures were evaluated at 99 wadable stream sites across 11 states in the Midwestern United States during the summer of 2013 to assess sediment pollution across a large agricultural landscape. This evaluation considers an extensive suite of sediment chemistry totaling 274 analytes (polycyclic aromatic hydrocarbons, organochlorine compounds, polychlorinated biphenyls, polybrominated diphenyl ethers, trace elements, and current-use pesticides) and a mixture assessment based on the ratios of detected compounds to available effects-based benchmarks...
May 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28525806/a-novel-porphyrin-based-molecular-probe-zntcppspm4-with-catalytic-stabilizing-and-chiroptical-diagnostic-power-towards-dna-b-z-transition
#2
Chiara M A Gangemi, Alessandro D'Urso, Gaetano A Tomaselli, Nina Berova, Roberto Purrello
In this work we have designed a new zinc(II) porphyrin with four spermines conjugate in the meso positions, meso-tetrakis-(4-carboxysperminephenyl)porphyrin, ZnTCPPSpm4) with the aim of acting as a chiroptical probe for the Z-form of DNA, a high energy transient conformation of DNA. In addition to monitor by Electronic Circular Dichroism chiroptical response the formation of Z-DNA in the presence of micromolar concentration of spermine, this porphyrin based molecular probe is also able to catalyze and stabilize this important DNA structure...
May 14, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28522332/towards-measles-elimination-in-italy-virological-surveillance-and-genotypes-trend-2013-2015
#3
Fabio Magurano, Melissa Baggieri, Antonietta Filia, Martina Del Manso, Tiziana Lazzarotto, Antonella Amendola, Pierlanfranco D'Agaro, Maria Chironna, Filippo Ansaldi, Stefania Iannazzo, Paola Bucci, Antonella Marchi, Loredana Nicoletti
In accordance with the goal of the World Health Organization Regional Office for Europe, the Italian National Measles and Rubella Elimination Plan aimed to interrupt indigenous measles transmission in Italy by the end of 2015. However, from 2013 to 2015, Italy experienced high measles burden with 4,902 measles cases (49.3% laboratory-confirmed) reported to the enhanced measles surveillance system (cumulative incidence in the triennium reference period: 2.4/100,000 population). The measles elimination goal was not reached...
May 15, 2017: Virus Research
https://www.readbyqxmd.com/read/28521938/current-findings-on-the-molecular-mechanisms-underlying-anhydrobiosis-in-polypedilum-vanderplanki
#4
REVIEW
Yoichiro Sogame, Takahiro Kikawada
Water is an essential molecule for living organisms. However, some organisms can survive in environments which receive no rainfall for months and in which ordinary life cannot survive. How do they endure the extended dry season? The sleeping chironomid Polypedilum vanderplanki, which inhabits sub-Saharan Africa, exhibits extreme tolerance to complete desiccation, a process termed anhydrobiosis. During anhydrobiosis these organisms dry up and entirely shut down their metabolism. However, when the dried larvae are immersed in water, their metabolism is resumed...
February 2017: Current Opinion in Insect Science
https://www.readbyqxmd.com/read/28514774/demonstration-of-5-methylcytosine-rich-dna-sequences-in-chiroptera
#5
Michael Schmid, Claus Steinlein, Christian Lomb, Marianne Volleth
5-Methylcytosine-rich heterochromatic regions were demonstrated in metaphase chromosomes of 5 species of Chiroptera by indirect immunofluorescence using a monoclonal anti-5-methylcytosine antibody. These species belong to 4 genera and 2 families and are characterized by divergent karyotypes. One species (Glauconycteris beatrix) has an extremely low diploid chromosome number of 2n = 22 with only meta- to submetacentric elements and remarkably large amounts of constitutive heterochromatin located in the centromeric and pericentromeric regions of all chromosome pairs...
May 18, 2017: Cytogenetic and Genome Research
https://www.readbyqxmd.com/read/28513612/insertion-of-alu-elements-at-a-pten-hotspot-in-cowden-syndrome
#6
Louise Crivelli, Virginie Bubien, Natalie Jones, Jennifer Chiron, Françoise Bonnet, Emmanuelle Barouk-Simonet, Patrice Couzigou, Nicolas Sevenet, Frédéric Caux, Michel Longy
Cowden syndrome (CS) is an inherited autosomal dominant disorder associated with germline pathogenic variants of the PTEN tumor suppressor gene. Its phenotypical expression is highly variable and the existence of patients with a CS suggestive phenotype without pathogenic PTEN variant may be related to genetic heterogeneity. In order to explore this hypothesis through the detection of potentially deleterious variants enabling us to identify a new candidate gene, we performed whole-exome sequencing (WES) in a series of 22 CS patients without detectable PTEN pathogenic variant using conventional methods for mutation screening...
May 17, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28512119/complementary-and-integrative-medicine-in-the-management-of-headache
#7
REVIEW
Denise Millstine, Christina Y Chen, Brent Bauer
Headaches, including primary headaches such as migraine and tension-type headache, are a common clinical problem. Complementary and integrative medicine (CIM), formerly known as complementary and alternative medicine (CAM), uses evidence informed modalities to assist in the health and healing of patients. CIM commonly includes the use of nutrition, movement practices, manual therapy, traditional Chinese medicine, and mind-body strategies. This review summarizes the literature on the use of CIM for primary headache and is based on five meta-analyses, seven systematic reviews, and 34 randomized controlled trials (RCTs)...
May 16, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28510191/taxonomy-of-cyrtochilum-alliance-orchidaceae-in-the-light-of-molecular-and-morphological-data
#8
Dariusz L Szlachetko, Marta Kolanowska, Aleksandra Naczk, Marcin Górniak, Magdalena Dudek, Piotr Rutkowski, Guy Chiron
BACKGROUND: The generic separateness and specific composition of the orchid genus Cyrtochilum was discussed for almost two centuries. Over the years several smaller taxa were segregated from this taxon, but their separateness was recently questioned based on molecular studies outcomes. The aim of our study was to revise concepts of morphological-based generic delimitation in Cyrtochilum-alliance and to compare it with the results of genetic analysis. We used phylogenetic framework in combination with phenetical analysis to provide proposal of the generic delimitation within Cyrtochilum-alliance...
December 2017: Botanical Studies (Taipei, Taiwan)
https://www.readbyqxmd.com/read/28503293/historical-influence-on-the-practice-of-chiropractic-radiology-part-ii-thematic-analysis-on-the-opinions-of-diplomates-of-the-american-chiropractic-college-of-radiology-about-the-future
#9
Kenneth J Young
BACKGROUND: Over the past 20 years, various authors have addressed the question of the future of chiropractic. Most were positive about the future, with some advocating evidence-based practice and integration with mainstream healthcare, some advocating continued separation with an emphasis on subluxation-based care or the traditional/historical paradigm of chiropractic, and some calling for tolerance and unity. No papers were found specifically inquiring about the future of chiropractic radiology...
2017: Chiropractic & Manual Therapies
https://www.readbyqxmd.com/read/28503292/historical-influence-on-the-practice-of-chiropractic-radiology-part-i-a-survey-of-diplomates-of-the-american-chiropractic-college-of-radiology
#10
Kenneth J Young
BACKGROUND: It is known that not all chiropractors follow mainstream guidelines on the use of diagnostic ionising radiation. Various reasons have been discussed in the literature, including using radiography to screen for congenital anomalies, to perform postural analysis, to search for contraindications to spinal manipulation, and to document chiropractic subluxations, i.e., tiny anatomical displacements of vertebrae thought to affect nerves and health. The visualisation of subluxations was the reason chiropractic first adopted the x-ray in 1910...
2017: Chiropractic & Manual Therapies
https://www.readbyqxmd.com/read/28502644/leishmania-v-braziliensis-infecting-bats-from-pantanal-wetland-brazil-first-records-for-platyrrhinus-lineatus-and-artibeus-planirostris
#11
Eduardo de Castro Ferreira, Agnes Antônio Sampaio Pereira, Maurício Silveira, Carina Margonari, Glaucia Elisete Barbosa Marcon, Adriana de Oliveira França, Ludiele Souza Castro, Marcelo Oscar Bordignon, Erich Fischer, Walfrido Moraes Tomas, Maria Elizabeth Cavalheiros Dorval, Célia Maria Ferreira Gontijo
In the New World genus Leishmania parasites are etiological agents of neglected zoonoses known as leishmaniasis. Its epidemiology is very complex due to the participation of several species of sand fly vectors and mammalian hosts, and man is an accidental host. Control is very difficult because of the different epidemiological patterns of transmission observed. Studies about Leishmania spp. infection in bats are so scarce, which represents a large gap in knowledge about the role of these animals in the transmission cycle of these pathogens, especially when considering that Chiroptera is one of the most abundant and diverse orders among mammals...
May 11, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28502279/evidence-and-molecular-characterization-of-bartonella-spp-and-hemoplasmas-in-neotropical-bats-in-brazil
#12
P Ikeda, M C Seki, A O T Carrasco, L V Rudiak, J M D Miranda, S M M Gonçalves, E G L Hoppe, A C A Albuquerque, M M G Teixeira, C E Passos, K Werther, R Z Machado, M R André
The order Chiroptera is considered the second largest group of mammals in the world, hosting important zoonotic virus and bacteria. Bartonella and hemotropic mycoplasmas are bacteria that parasite different mammals' species, including humans, causing different clinical manifestations. The present work aimed investigating the occurrence and assessing the phylogenetic positioning of Bartonella spp. and Mycoplasma spp. in neotropical bats sampled from Brazil. Between December 2015 and April 2016, 325 blood and/or tissues samples were collected from 162 bats comprising 19 different species sampled in five states of Brazil...
May 15, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28501911/analysis-of-circumflex-artery-anatomy-by-real-time-3d-transesophageal-echocardiography-compared-to-cardiac-computed-tomography
#13
Carmine Bevilacqua, Sarah Eibel, Borek Foldyna, Thomas Knoefler, Lukas Lehmkuhl, Matthias Gutberlet, Chirojit Mukherjee, Joerg Seeburger, Piroze Davierwala, Joerg Ender
Iatrogenic injury to the circumflex artery (Cx) due to its close proximity to the mitral annulus is a rare but dreadful complication that can occur during mitral valve repair. The aim of our study was to compare multiple measurements of the Cx datasets, obtained by real time three-dimensional transesophageal echocardiography (RT3D TEE) and corresponding measurements assessed in multi-planar three-dimensional images acquired by multidetector computed tomography (MDCT). Preoperative RT3D TEE and MDCT datasets of 25 patients who had previously undergone minimally invasive mitral valve surgery were retrospectively analyzed...
May 13, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28501759/resource-utilization-for-non-operative-cervical-radiculopathy-management-by-surgeons-versus-non-surgeons
#14
Sophie H Chung, Daniel D Bohl, Jonathan T Paul, Jeffrey A Rihn, James S Harrop, Zoher Ghogawala, Alan S Hilibrand, Jonathan N Grauer
OBJECTIVES: To compare the estimated resource utilization for non-operative treatment of cervical radiculopathy if managed by surgeons versus non-surgeons. PATIENTS AND METHODS: A Cervical Spine Research Society-sponsored survey was administered at a national spine surgery conference to surgeons and non-surgeons, as classified above. The survey asked questions regarding resource utilization and perceived costs for the "average patient" with cervical radiculopathy managed non-operatively...
May 6, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28501026/metabolically-speaking-possible-reasons-behind-the-tolerance-of-sugar-belle-mandarin-hybrid-to-huanglongbing
#15
Nabil Killiny, Maria Filomena Valim, Shelley E Jones, Ahmad A Omar, Faraj Hijaz, Fred G Gmitter, Jude W Grosser
Huanglongbing (HLB) is currently considered the most destructive disease of citrus. Since its spread to the Americas, HLB has killed millions of trees and caused a sharp decline in production in many citrus growing regions. With the continuous spread of HLB disease in Florida and worldwide, there is an urgent need for the development of commercial citrus cultivars with a strong tolerance to HLB. Interestingly, field observations showed that some of the recently released mandarin hybrids such as 'Sugar Belle' were tolerant to HLB...
May 4, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28500019/assessing-the-comparability-of-paper-and-electronic-versions-of-the-eortc-qol-module-for-head-and-neck-cancer-a-qualitative-study
#16
Josephine Norquist, Diana Chirovsky, Teja Munshi, Chloe Tolley, Charlotte Panter, Adam Gater
BACKGROUND: Patient-reported outcome (PRO) instruments are important tools for monitoring disease activity and response to treatment in clinical trials and clinical practice. In recent years, there have been movements away from traditional pen-and-paper PROs towards electronic administration. When using electronic PROs (ePROs), evidence that respondents complete ePROs in a similar way to their paper counterparts provides assurance that the two modes of administration are comparable or equivalent...
May 12, 2017: JMIR Cancer
https://www.readbyqxmd.com/read/28499371/-placebo-effect-is-probably-what-we-refer-to-as-patient-healing-power-a-qualitative-pilot-study-examining-how-norwegian-complementary-therapists-reflect-on-their-practice
#17
Trine Stub, Nina Foss, Ingrid Liodden
BACKGROUND: Complementary therapists spend considerable time with their patients, especially in the first consultation. The communication between patients and their therapists is important for raising consciousness and activation of the patient's self-healing power. Thus, the aims in this study were to delineate what complementary therapists regard as essential in patient consultations, their view of the healing process, and how the therapists understand the placebo effect and its position in the healing process...
May 12, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28494011/changes-in-the-use-practitioner-based-complementary-and-alternative-medicine-over-time-in-canada-cohort-and-period-effects
#18
Mayilee Canizares, Sheilah Hogg-Johnson, Monique A M Gignac, Richard H Glazier, Elizabeth M Badley
BACKGROUND: The use of complementary and alternative medicine (CAM) is growing. However the factors contributing to changes over time and to birth cohort differences in CAM use are not well understood. SETTING: We used data from 10186 participants, who were aged 20-69 years at the first cycle of data collection in the longitudinal component of the Canadian National Population Health Survey (1994/95-2010/11). We examined chiropractic and other practitioner-based CAM use with a focus on five birth cohorts: pre-World War II (born 1925-1934); World War II (born 1935-1944); older baby boomers (born 1945-1954); younger baby boomers (born 1955-1964); and Gen Xers (born 1965-1974)...
2017: PloS One
https://www.readbyqxmd.com/read/28493485/comprehensive-characterization-of-the-acute-and-chronic-toxicity-of-the-neonicotinoid-insecticide-thiamethoxam-to-a-suite-of-aquatic-primary-producers-invertebrates-and-fish
#19
Meaghean S Finnegan, Leilan R Baxter, Jon Maul, Mark L Hanson, Paul F Hoekstra
Thiamethoxam is a neonicotinoid insecticide used widely in agriculture to control a broad spectrum of chewing and sucking insect pests. Recent detection of thiamethoxam in surface waters has raised interest in characterizing the potential impacts of this insecticide to aquatic organisms. Here we report the results of toxicity testing (acute and chronic) conducted under good laboratory practices (GLP) for over 30 freshwater species (i.e., insects, molluscs, crustaceans, algae, macrophytes, fish) and four marine species (an alga, a mollusc, a crustacean, and a fish)...
May 11, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28493223/-physiotherapy-occupational-therapy-and-physical-therapy-in-fibromyalgia-syndrome-updated-guidelines-2017-and-overview-of-systematic-review-articles
#20
A Winkelmann, H Bork, W Brückle, C Dexl, P Heldmann, P Henningsen, L Krumbein, V Pullwitt, M Schiltenwolf, W Häuser
BACKGROUND: The regular update of the guidelines on fibromyalgia syndrome, AWMF number 145/004, was scheduled for April 2017. METHODS: The guidelines were developed by 13 scientific societies and 2 patient self-help organizations coordinated by the German Pain Society. Working groups (n =8) with a total of 42 members were formed balanced with respect to gender, medical expertise, position in the medical or scientific hierarchy and potential conflicts of interest...
May 10, 2017: Der Schmerz
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