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https://www.readbyqxmd.com/read/28918279/seasonal-variation-of-chloro-s-triazines-in-the-hartbeespoort-dam-catchment-south-africa
#1
Cornelius Rimayi, David Odusanya, Jana M Weiss, Jacob de Boer, Luke Chimuka
Seasonal variation of eight chloro-s-triazine herbicides and seven major atrazine and terbuthylazine degradation products was monitored in the Hartbeespoort Dam catchment using gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS/MS). Lake, river and groundwater were sampled from the Hartbeespoort Dam catchment over four seasons and the downstream Jukskei River was monitored during the winter season. Triazine herbicide concentrations in the Hartbeespoort Dam were in the order atrazine>simazine>propazine>ametryn>prometryn throughout the four seasons sampled...
September 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28917564/impact-of-institutional-procedural-volume-on-in-hospital-outcomes-after-cardiac-resynchronization-therapy-device-implantation-united-states-national-database-2003-2011
#2
Ilhwan Yeo, Luke K Kim, Bruce B Lerman, Jim W Cheung
BACKGROUND: The relationship between hospital volume and outcomes for cardiac resynchronization therapy (CRT) implantations has not been well established. OBJECTIVES: To examine outcomes after CRT device implantation stratified on hospital volume based on a large, national inpatient database. METHODS: Using the National Inpatient Sample database, we identified all patients undergoing de novo CRT implants between 2003 and 2011. Hospitals were categorized according to tertiles of annual CRT procedural volume...
September 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28916871/strength-and-functional-symmetry-is-associated-with-post-operative-rehabilitation-in-patients-following-anterior-cruciate-ligament-reconstruction
#3
Jay R Ebert, Peter Edwards, Luke Yi, Brendan Joss, Timothy Ackland, Richard Carey-Smith, Jens-Ulrich Buelow, Ben Hewitt
PURPOSE: To investigate strength and functional symmetry during common tests in patients after anterior cruciate ligament reconstruction (ACLR), and its association with post-operative rehabilitation. METHODS: At a median 11.0 months post-surgery (range 10-14), 111 ACLR patients were assessed. A rehabilitation grading tool was employed to evaluate the duration and supervision of rehabilitation, as well as whether structured jumping, landing and agility exercises were undertaken...
September 15, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28916813/genome-sequencing-reveals-metabolic-and-cellular-interdependence-in-an-amoeba-kinetoplastid-symbiosis
#4
Goro Tanifuji, Ugo Cenci, Daniel Moog, Samuel Dean, Takuro Nakayama, Vojtěch David, Ivan Fiala, Bruce A Curtis, Shannon J Sibbald, Naoko T Onodera, Morgan Colp, Pavel Flegontov, Jessica Johnson-MacKinnon, Michael McPhee, Yuji Inagaki, Tetsuo Hashimoto, Steven Kelly, Keith Gull, Julius Lukeš, John M Archibald
Endosymbiotic relationships between eukaryotic and prokaryotic cells are common in nature. Endosymbioses between two eukaryotes are also known; cyanobacterium-derived plastids have spread horizontally when one eukaryote assimilated another. A unique instance of a non-photosynthetic, eukaryotic endosymbiont involves members of the genus Paramoeba, amoebozoans that infect marine animals such as farmed fish and sea urchins. Paramoeba species harbor endosymbionts belonging to the Kinetoplastea, a diverse group of flagellate protists including some that cause devastating diseases...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28916720/glucose-availability-controls-adipogenesis-in-mouse-3t3-l1-adipocytes-via-upregulation-of-nicotinamide-metabolism
#5
Robert M Jackson, Beth A Griesel, Jami M Gurley, Luke I Szweda, Ann Louise Olson
Expansion of adipose tissue in response to a positive energy balance underlies obesity and occurs through both hypertrophy of existing cells and increased differentiation of adipocyte precursors (hyperplasia). To better understand the nutrient signals that promote adipocyte differentiation, we investigated the role of glucose availability in regulating adipocyte differentiation and maturation. 3T3-L1 preadipocytes were grown and differentiated in media containing a standard differentiation hormone cocktail and either 4 or 25mM glucose...
September 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28916639/small-rna-seq-during-acute-maximal-exercise-reveal-rnas-involved-in-vascular-inflammation-and-cardiometabolic-health
#6
Ravi Shah, Ashish S Yeri, Avash Das, Amanda Courtright-Lim, Olivia Ziegler, Ernest Gervino, Jeffrey Ocel, Pablo Quintero Pinzon, Luke Wooster, Cole Shields Bailey, Kahraman Tanriverdi, Lea Beaulieu, Jane E Freedman, Ionita Ghiran, Gregory D Lewis, Kendall Van Keuren-Jensen, Saumya Das
OBJECTIVE: Exercise improves cardiometabolic and vascular function, though mechanisms remain unclear. Our objective was to demonstrate the diversity of circulating extracellular RNA (ex-RNA) release during acute exercise in humans and its relevance to exercise-mediated benefits on vascular inflammation. Approach and Results: We performed plasma small RNA sequencing (RNA-seq) in 26 individuals undergoing symptom-limited maximal treadmill exercise, with replication of our top candidate miRNA in a separate cohort of 59 individuals undergoing bicycle ergometry...
September 15, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28916541/a-proteomic-atlas-of-insulin-signalling-reveals-tissue-specific-mechanisms-of-longevity-assurance
#7
Luke S Tain, Robert Sehlke, Chirag Jain, Manopriya Chokkalingam, Nagarjuna Nagaraj, Paul Essers, Mark Rassner, Sebastian Grönke, Jenny Froelich, Christoph Dieterich, Matthias Mann, Nazif Alic, Andreas Beyer, Linda Partridge
Lowered activity of the insulin/IGF signalling (IIS) network can ameliorate the effects of ageing in laboratory animals and, possibly, humans. Although transcriptome remodelling in long-lived IIS mutants has been extensively documented, the causal mechanisms contributing to extended lifespan, particularly in specific tissues, remain unclear. We have characterized the proteomes of four key insulin-sensitive tissues in a long-lived Drosophila IIS mutant and control, and detected 44% of the predicted proteome (6,085 proteins)...
September 15, 2017: Molecular Systems Biology
https://www.readbyqxmd.com/read/28914682/refractory-ulcerated-necrobiosis-lipoidica-closure-of-a-difficult-wound-with-topical-tacrolimus
#8
Luke Ginocchio, Lisa Draghi, Farbod Darvishian, Frank L Ross
OBJECTIVE: To report a case of refractory ulcerated necrobiosis lipoidica (NL) with significant response to treatment with topical tacrolimus. SUBJECT: A 55-year-old woman without diabetes and with a previous history of NL presented to the Helen L. and Martin S. Kimmel Hyperbaric and Advanced Wound Healing Center of NYU Langone Medical Center, New York, with bilateral lower-leg ulcerations resistant to wound healing techniques at other institutions. MATERIALS AND METHODS: Repeat biopsy performed at the author's institution confirmed the diagnosis of NL...
October 2017: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/28913899/genotyping-by-sequencing-through-transcriptomics-implementation-in-a-range-of-crop-species-with-varying-reproductive-habits-and-ploidy-levels
#9
Michelle M Malmberg, Luke W Pembleton, Rebecca C Baillie, Michelle C Drayton, Shimna Sudheesh, Sukhjiwan Kaur, Hiroshi Shinozuka, Preeti Verma, German C Spangenberg, Hans D Daetwyler, John W Forster, Noel O I Cogan
The application of genomics in crops has the ability to significantly improve genetic gain for agriculture. Many marker-dense tools have been developed but few have seen broad adoption in plant genomics due to issues of significant variations of genome size, levels of ploidy, single nucleotide polymorphism (SNP) frequency and reproductive habit. When combined with limited breeding activities, small research communities and scant sequence resources, the suitability of popular systems is often sub-optimal and routinely fails to effectively balance cost-effectiveness and sample throughput...
September 15, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28912321/draft-genome-sequence-of-the-plant-pathogen-streptomyces-sp-strain-11-1-2
#10
Luke Bown, Dawn R D Bignell
Streptomyces sp. strain 11-1-2 is a Gram-positive filamentous bacterium that was isolated from a common scab lesion on a potato tuber. The strain is highly pathogenic to plants but does not produce the virulence-associated Streptomyces phytotoxin thaxtomin A. Here, we report the draft genome sequence of Streptomyces sp. 11-1-2.
September 14, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28912318/chromosome-and-large-linear-plasmid-sequences-of-a-borrelia-miyamotoi-strain-isolated-from-ixodes-pacificus-ticks-from-california
#11
Luke C Kingry, Adam Replogle, Marc Dolan, Christopher Sexton, Kerry A Padgett, Martin E Schriefer
Borrelia miyamotoi, a relapsing fever group spirochete, is an emerging tick-borne pathogen. It has been identified in ixodid ticks across the Northern Hemisphere, including the West Coast of the United States. We describe the chromosome and large linear plasmid sequence of a B. miyamotoi isolate cultured from a California field-collected Ixodes pacificus tick.
September 14, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28912039/acquired-heart-disease-superimposed-on-congenital-heart-disease
#12
D Luke Glancy
A 50-year-old man with a murmur since birth developed systemic arterial hypertension as an adult. He came to the hospital because of dyspnea. He had a pulmonic valve ejection click and a murmur of pulmonic stenosis. His echocardiogram showed biventricular hypertrophy, a flat ventricular septum, a D-shaped left ventricle, systolic doming of the pulmonic valve, and Doppler evidence of a 70 mm Hg peak systolic pressure gradient across the pulmonic valve and a peak right ventricular systolic pressure of 100 mm Hg...
August 12, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28906305/risk-of-knee-sepsis-following-treatment-of-open-tibia-fractures-a-multicenter-comparison-of-suprapatellar-and-infrapatellar-approaches
#13
Geoffrey S Marecek, Luke T Nicholson, Frances H Broghammer, Michael Talerico, Caroline Tougas, Derek J Donegan, John A Scolaro
OBJECTIVES: The suprapatellar approach for medullary nailing of the tibia is increasing. This requires intra-articular passage of instruments, which theoretically places the knee at risk for postoperative sepsis in the setting of open fracture. We hypothesized that the risk of knee sepsis is similar after suprapatellar or infrapatellar nailing of open tibia fractures. DESIGN: Retrospective, multicenter. SETTING: Three urban Level-1 trauma centers PATIENTS:: All patients treated with medullary nailing for open diaphyseal tibia fractures (OTA 42) from 2009 to 2015...
September 11, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28905667/preliminary-pharmacokinetics-of-intravenous-and-subcutaneous-dolasetron-and-pharmacodynamics-of-subcutaneous-dolasetron-in-healthy-cats
#14
Andrea K Herndon, Jessica M Quimby, Liberty G Sieberg, Leigh Davis, Amber L Caress, Sabina Ligas, Ryan J Hansen, Luke A Wittenburg, Danial L Gustafson
Objectives The objectives were to evaluate the pharmacokinetics (PKs) of subcutaneous (SC) and intravenous (IV) dolasetron and the pharmacodynamics (PDs) of SC dolasetron in healthy cats. Methods Five cats with unremarkable complete blood count, serum biochemistry and urinalyses were utilized. In the PK study, cats received 0.8 mg/kg SC and IV dolasetron in a crossover format. Serum samples were obtained via a jugular catheter at 0, 0.25, 0.5, 1, 2, 4, 8, 12, 24, 36 and 48 h after the administration of dolasetron...
September 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28905400/somatostatin-receptor-subtype-1-as-a-potential-diagnostic-marker-and-therapeutic-target-in-prostate-cancer
#15
Sergio Pedraza-Arévalo, Daniel Hormaechea-Agulla, Enrique Gómez-Gómez, María J Requena, Luke A Selth, Manuel D Gahete, Justo P Castaño, Raul M Luque
BACKGROUND: Prostate cancer (PCa) is a highly prevalent neoplasia that is strongly influenced by the endocrine system. Somatostatin (SST) and its five receptors (sst1-5 encoded by SSTR1-5 genes) comprise a pleiotropic system present in most endocrine-related cancers, some of which are successfully treated with SST analogs. Interestingly, it has been reported that SSTR1 is overexpressed in PCa, but its regulation, functional role, and clinical implications are still poorly known. METHODS: PCa specimens (n = 52) from biopsies and control prostates from cystoprostatectomies (n = 12), as well as in silico databases were used to evaluate SSTR1 and miRNAs expression...
September 14, 2017: Prostate
https://www.readbyqxmd.com/read/28904006/the-crash-report-emergency-management-dilemmas-facing-acute-physicians-in-patients-with-pulmonary-arterial-hypertension
#16
Laura C Price, Konstantinos Dimopoulos, Philip Marino, Rafael Alonso-Gonzalez, Colm McCabe, Aleksander Kemnpy, Lorna Swan, Maria Boutsikou, Ahmed Al Zahrani, Gerry J Coghlan, Benjamin E Schreiber, Luke S Howard, Rachel Davies, Mark Toshner, Joanna Pepke-Zaba, Alistair C Church, Andrew Peacock, Paul A Corris, James L Lordan, Sean Gaine, Robin Condliffe, David G Kiely, Stephen John Wort
Treatment of acute emergencies in patients with pulmonary arterial hypertension (PAH) can be challenging. In the UK and Ireland, management of adult patients with PAH is centred in eight nationally designated pulmonary hypertension (PH) centres. However, many patients live far from these centres and physicians in local hospitals are often required to manage PAH emergencies. A committee of physicians from nationally designated PH centres identified the 'most common' emergency clinical scenarios encountered in patients with PAH...
September 12, 2017: Thorax
https://www.readbyqxmd.com/read/28903894/prototype-development-context-driven-dynamic-xml-ophthalmologic-data-capture-application
#17
Peggy Peissig, Kelsey M Schwei, Christopher Kadolph, Joseph Finamore, Efrain Cancel, Catherine A McCarty, Asha Okorie, Kate L Thomas, Jennifer Allen Pacheco, Jyotishman Pathak, Stephen B Ellis, Joshua C Denny, Luke V Rasmussen, Gerard Tromp, Marc S Williams, Tamara R Vrabec, Murray H Brilliant
BACKGROUND: The capture and integration of structured ophthalmologic data into electronic health records (EHRs) has historically been a challenge. However, the importance of this activity for patient care and research is critical. OBJECTIVE: The purpose of this study was to develop a prototype of a context-driven dynamic extensible markup language (XML) ophthalmologic data capture application for research and clinical care that could be easily integrated into an EHR system...
September 13, 2017: JMIR Medical Informatics
https://www.readbyqxmd.com/read/28903855/acute-copper-sulphate-poisoning
#18
Cibickova Lubica, Metelka Rudolf, Lukes Jiri
No abstract text is available yet for this article.
August 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28903619/the-volume-of-pet-defined-active-bone-marrow-spared-predicts-acute-hematologic-toxicities-in-anal-cancer-patients-receiving-concurrent-chemoradiotherapy
#19
Christopher Freese, Mickaela Sudhoff, Luke Lewis, Michael Lamba, Jordan Kharofa
No abstract text is available yet for this article.
September 13, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28902747/exertional-heat-stroke
#20
Chelsea S Navarro, Douglas J Casa, Luke N Belval, Nathaniel S Nye
No abstract text is available yet for this article.
September 2017: Current Sports Medicine Reports
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