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https://www.readbyqxmd.com/read/28822538/smooth-muscle-nitric-oxide-responsiveness-and-clinical-maturation-of-hemodialysis-arteriovenous-fistulae
#1
Xiaoyong Tong, Xiuyun Hou, Christopher Wason, Tal Kopel, Richard A Cohen, Laura M Dember
The arteriovenous fistula is the preferred type of hemodialysis vascular access for patients with end-stage renal disease, but a high proportion of newly created fistulas fail to mature for use. Stenosis caused by neointimal hyperplasia often is present in fistulas with maturation failure, suggesting that local mechanisms controlling vascular smooth muscle cell (SMC) migration and proliferation are important contributors to maturation failure. SMCs cultured from explants of vein tissue obtained at the time of fistula creation from 19 patients with end-stage renal disease were studied to determine whether smooth muscle responsiveness to nitric oxide is associated with fistula maturation outcomes...
August 16, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28822433/-molecular-biological-and-clinical-characteristics-of-respiratory-syncytial-virus-in-children-with-bronchiolitis
#2
T H Zhang, J Deng, Y Qian, R N Zhu, Y Sun, F Wang, R Tian, L Q Zhao
Objective: To investigate the clinical characteristics of respiratory syncytial virus(RSV)bronchiolitis and molecular biological characteristics of RSV in children in Beijing. Method: In a systematic retrospective study, 2 296 nasopharyngeal aspirates (NPA) were collected from children diagnosed with bronchiolitis from July 2006 to June 2016 for respiratory virus screening using direct immunofluorescence assay (DFA). For specimens positive for RSV, subgroup A or B was confirmed by real time RT-PCR and genotype of RSV was determined by amplifying the full G glycoprotein gene and sequencing...
August 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28821259/the-effect-of-storage-at-ambient-temperature-on-the-feline-fecal-microbiota
#3
Moran Tal, Adronie Verbrugghe, Diego E Gomez, Charlotte Chau, J Scott Weese
BACKGROUND: Feline fecal microbiota analyses can potentially be impacted by a variety of factors such as sample preparation, sequencing method and bioinformatics analyses. Another potential influence is changes in the microbiota from storage of samples prior to processing. This study examined the effect of ambient temperature exposure on the feline fecal microbiota composition. Fecal samples were collected from 12 healthy cats, within 15 min after defecation. Samples were aliquoted and the first aliquot was frozen at -80 °C within 1 hour of defecation...
August 18, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28819115/genome-wide-identification-and-expression-profiling-of-long-non-coding-rnas-in-auditory-and-vestibular-systems
#4
Kathy Ushakov, Tal Koffler-Brill, Aviv Rom, Kobi Perl, Igor Ulitsky, Karen B Avraham
Mammalian genomes encode multiple layers of regulation, including a class of RNA molecules known as long non-coding RNAs (lncRNAs). These are >200 nucleotides in length and similar to mRNAs, they are capped, polyadenylated, and spliced. In contrast to mRNAs, lncRNAs are less abundant and have higher tissue specificity, and have been linked to development, epigenetic processes, and disease. However, little is known about lncRNA function in the auditory and vestibular systems, or how they play a role in deafness and vestibular dysfunction...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818007/kiwi-omnicup-handheld-vs-mityvac-m-style-conventional-vacuum-system-a-retrospective-observational-study
#5
Tal Weissbach, Nasreen Hag-Yahia, Michal Ovadia, Keren Tzadikevitch Geffen, Omer Weitzner, Tal Biron-Shental
INTRODUCTION: To improve choice of vacuum-assisted delivery (VAD) system, we compared outcomes of Kiwi handheld system and Mityvac M-style conventional system (both use disposable plastic cups). MATERIALS AND METHODS: Retrospective observational study with data collection from electronic medical records. The study was conducted at a tertiary medical center, with approximately 7000 deliveries annually. Categorical and continuous variables were analyzed using chi-square test and t-test, respectively...
August 17, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28816879/atlas-fractures-and-atlas-osteosynthesis-a-comprehensive-narrative-review
#6
Frank Kandziora, Jens R Chapman, Alexander R Vaccaro, Gregory D Schroeder, Matti Scholz
Most atlas fractures are the result of compression forces. They are often combined with fractures of the axis and especially with the odontoid process. Multiple classification systems for atlas fractures have been described. For an adequate diagnosis, a computed tomography is mandatory. To distinguish between stable and unstable atlas injury, it is necessary to evaluate the integrity of the transverse atlantal ligament (TAL) by magnetic resonance imaging and to classify the TAL lesion. Studies comparing conservative and operative management of unstable atlas fractures are unfortunately not available in the literature; neither are studies comparing different operative treatment strategies...
September 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28807872/cortical-representation-of-persistent-visual-stimuli
#7
Edden M Gerber, Tal Golan, Robert T Knight, Leon Y Deouell
Research into visual neural activity has focused almost exclusively on onset- or change-driven responses and little is known about how information is encoded in the brain during sustained periods of visual perception. We used intracranial recordings in humans to determine the degree to which the presence of a visual stimulus is persistently encoded by neural activity. The correspondence between stimulus duration and neural response duration was strongest in early visual cortex and gradually diminished along the visual hierarchy, such that is was weakest in inferior-temporal category-selective regions...
August 12, 2017: NeuroImage
https://www.readbyqxmd.com/read/28807538/lactose-malabsorption-and-taste-aversion-learning
#8
Joe Arthurs, Jian-You Lin, Roberto Ocampo, Steve Reilly
Consumption of foods can be suppressed by two feeding system defense mechanisms: conditioned taste aversion (CTA) or taste avoidance learning (TAL). There is a debate in the literature about which form of intake suppression is caused by various aversive stimuli. For instance, illness-inducing stimuli like lithium chloride are the gold standard for producing CTA and external (or peripheral) painful stimuli, such as footshock, are the traditional model of TAL. The distinction between CTA and TAL, which have identical effects on intake, is based on differential effects on palatability...
August 12, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28805896/the-composition-of-dietary-fat-alters-the-transcriptional-profile-of-pathways-associated-with-lipid-metabolism-in-the-liver-and-adipose-tissue-in-the-pig
#9
T A Kellner, N K Gabler, J F Patience
The objective was to investigate the of effect chemical composition of dietary fat on transcription of genes involved in lipid metabolism in adipose tissue and the liver via transcriptional profiling in growing pigs. A total of 48 Genetiporc 6.0 × Genetiporc F25 (PIC, Inc., Hendersonville, TN) barrows (initial BW of 44.1 ± 1.2 kg) were randomly allotted to 1 of 6 dietary treatments. Each experimental diet included 95% of a corn-soybean meal basal diet and 5% cornstarch (control; CNTR), animal-vegetable blend (AV), coconut oil (COCO), corn oil (COIL), fish oil (FO), or tallow (TAL)...
August 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28800954/a-tim-3-oligonucleotide-aptamer-enhances-t-cell-functions-and-potentiates-tumor-immunity-in-mice
#10
Tal Gefen, Iris Castro, Darija Muharemagic, Yvonne Puplampu-Dove, Shradha Patel, Eli Gilboa
T cell immunoglobulin-3 (TIM-3) is a negative regulator of interferon-γ (IFN-γ) secreting CD4(+) T cells and CD8(+) T cytotoxic cells. Recent studies have highlighted the role of TIM-3 as an important mediator of CD8(+) T cell exhaustion in the setting of chronic viral infections and cancer. In murine tumor models, antibody blockade of TIM-3 with anti-TIM-3 antibodies as monotherapy has no or minimal antitumor activity, suggesting that TIM-3 signaling exerts an accessory or amplifying effect in keeping immune responses in check...
August 8, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28800516/repetitive-vs-occasional-non-suicidal-self-injury-and-school-related-factors-among-israeli-high-school-students
#11
Nir Madjar, Gil Zalsman, Tal Reshef Ben Mordechai, Gal Shoval
The current study explored the relationship between non-suicidal self-injuries (NSSI) and students' perceptions of school among adolescents. A sample of 594 high-school students (54.4% male; mean age 14.96) completed validated self-reported measures. Students were divided into three groups: repetitive-NSSI (more than 6 occasions), occasional-NSSI (at least once but less than 6), and no-NSSI. Multi-nominal regression, controlling for gender, age, and depression symptoms, indicated that teachers' psychological support, a sense of school belongingness, and negative perceptions of peer climate were significantly different between repetitive-NSSI and non-NSSI groups...
July 31, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28800408/effects-of-phenanthrene-on-early-development-of-the-pacific-oyster-crassostrea-gigas-thunberg-1789
#12
Diego J Nogueira, Jacó J Mattos, Patrick R Dybas, Fabrıcio Flores-Nunes, Silvio Tarou Sasaki, Satie Taniguchi, Éder C Schmidt, Zenilda L Bouzon, Márcia C Bícego, Claudio M R Melo, Guilherme Toledo-Silva, Afonso C D Bainy
Phenanthnere (PHE) is a polycyclic aromatic hydrocarbon continuously discarded in the marine environment and bioavailable to many aquatic species. Although studies about PHE toxicity have been documented for adult oysters, the effects on early developmental stages are poorly characterized in bivalves. In this study, the effects of PHE (0.02 and 2.0μg.L(-1)) were evaluated on the embryogenesis and larval development of Crassostrea gigas. Toxicity bioassays, growth and deformities assessment, analysis of shell calcium abundance and transcript levels of genes related to xenobiotic biotransformation (CYP2AU2, CYP30C1), immune system (Cg-Tal) and tissue growth and shell formation (Ferritin, Insulin-like, Cg-Try, Calmodulin and Nacrein) were assayed in D-shape larvae after 24h of PHE exposure...
August 1, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28799535/hygroscopic-sonographically-detectable-clips-form-characteristic-breast-and-lymph-node-pseudocysts
#13
Moshe Carmon, Sofia Zilber, David Gekhtman, Oded Olsha, Tal Hadar, Eliahu Golomb
The use of hygroscopic sonographically detectable clips (HSDCs) has dramatically increased during the last years, especially in breast cancer patients who undergo neoadjuvant chemotherapy. The aims of this study are to define the appearance of HSDC sites in histopathological specimens, and to enable pathologists to recognize these sites and differentiate them from other lesions. We examined 124 breast cancer specimens in which the application of HSDCs was documented, 88 breast tissues and 36 lymph nodes, and analyzed the appearance of the clip site in these tissues...
August 11, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28798831/an-in-house-composix%C3%A2-based-pubovaginal-sling-trial-for-female-stress-urinary-incontinence-five-year-comparative-followup-to-tension-free-and-transobturator-vaginal-tapes
#14
Tal Ben-Zvi, Katherine Moore, Nadim Haidar, Mireille Gregoire
INTRODUCTION: We compared the efficacy of three slings in the long-term treatment of stress urinary incontinence (SUI): tension-free vaginal tape (TVT), vaginal tape-obturator (TVT-O), and an in-house two-layered polypropylene mesh with a submicronic polytetrafluoroethylene (Composix™). Our primary endpoint was the objective measurement of continence (24-hour pad test). Secondarily, we measured the satisfaction and complication rates. METHODS: This prospective, non-randomized study included 128 patients with SUI...
August 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28796138/predictive-value-of-computed-tomography-scans-and-clinical-findings-for-the-need-of-endoscopic-necrosectomy-in-walled-off-necrosis-from-pancreatitis
#15
Fabian Finkelmeier, Christian Sturm, Mireen Friedrich-Rust, Jörg Bojunga, Christoph Sarrazin, Andrea Tal, Johannes Hausmann, Stefan Zeuzem, Stephan Zangos, Jörg Albert, Harald Farnik
OBJECTIVES: Choosing the best treatment option at the optimal point of time for patients with walled-off necrosis (WON) is crucial. We aimed to identify imaging parameters and clinical findings predicting the need of necrosectomy in patients with WON. METHODS: All patients with endoscopically diagnosed WON and pseudocyst were retrospectively identified. Post hoc analysis of pre-interventional contrast-enhanced computed tomography was performed for factors predicting the need of necrosectomy...
September 2017: Pancreas
https://www.readbyqxmd.com/read/28795772/the-potential-of-the-spectral-water-balance-index-wabi-for-crop-irrigation-scheduling
#16
Tal Rapaport, Uri Hochberg, Amnon Cochavi, Arnon Karnieli, Shimon Rachmilevitch
Hyperspectral sensing can detect slight changes in plant physiology, and may offer a faster and nondestructive alternative for water status monitoring. This premise was tested in the current study using a narrow-band 'water balance index' (WABI), which is based on independent changes in leaf water content (1500 nm) and the efficiency of the nonphotochemical quenching (NPQ) photo-protective mechanism (531 nm). The hydraulic, photo-protective and spectral behaviors of five important crops - grapevine, corn, tomato, pea and sunflower - were evaluated under water deficit conditions in order to associate the differences in stress physiology with WABI suitability...
August 10, 2017: New Phytologist
https://www.readbyqxmd.com/read/28794949/highly-atom-economic-synthesis-of-d-2-aminobutyric-acid-through-an-in%C3%A2-vitro-tri-enzymatic-catalytic-system
#17
Xi Chen, Yunfeng Cui, Xinkuan Cheng, Jinhui Feng, Qiaqing Wu, Dunming Zhu
d-2-Aminobutyric acid is an unnatural amino acid serving as an important intermediate in pharmaceutical production. Developing a synthetic method that uses cheaper starting materials and produces less by-product is a pressing demand. A tri-enzymatic catalytic system, which is composed of l-threonine ammonia lyase (l-TAL), d-amino acid dehydrogenase (d-AADH), and formate dehydrogenase (FDH), has thus been developed for the synthesis of d-2-aminobutyric acid with high optical purity. In this cascade reaction, the readily available l-threonine serves as the starting material, carbon dioxide and water are the by-products...
August 2017: ChemistryOpen
https://www.readbyqxmd.com/read/28793827/kiwi-omnicup-handheld-vs-mityvac-m-style-conventional-vacuum-system-a-retrospective-observational-study
#18
Tal Weissbach, Nasreen Hag-Yahia, Michal Ovadia, Keren Tzadikevitch Geffen, Omer Weitzner, Tal Biron-Shental
INTRODUCTION: To improve choice of vacuum-assisted delivery (VAD) system, we compared outcomes of Kiwi handheld system and Mityvac M-style conventional system (both use disposable plastic cups). MATERIALS AND METHODS: Retrospective observational study with data collection from electronic medical records. The study was conducted at a tertiary medical center, with approximately 7000 deliveries annually. Categorical and continuous variables were analyzed using chi-square test and t-test, respectively...
August 9, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28792509/regional-citrate-anticoagulation-for-continuous-renal-replacement-therapy-in-pediatric-patients-with-liver-failure
#19
Keila Rodriguez, Poyyapakkam R Srivaths, Leyat Tal, Mary N Watson, Alyssa A Riley, Ryan W Himes, Moreshwar S Desai, Michael C Braun, Ayse Akcan Arikan
Pediatric liver failure patients frequently develop multiple organ failure and require continuous renal replacement therapy (CRRT) as part of supportive therapy in the pediatric intensive care unit. While many centers employ no anticoagulation for fear of bleeding complications, balanced coagulation disturbance predisposes these patients to clotting as well as bleeding, making maintenance of longer circuit life to deliver adequate dialysis clearance challenging. Regional citrate anticoagulation (RCA) is an attractive option as it avoids systemic anticoagulation, but since citrate metabolism is impaired in liver failure, concerns about toxicity has limited its use...
2017: PloS One
https://www.readbyqxmd.com/read/28791575/symptoms-and-clinical-parameters-of-pediatric-and-adolescent-migraine-by-gender-a-retrospective-cohort-study
#20
Tal Eidlitz-Markus, Avraham Zeharia
BACKGROUND: The available data on gender differences in clinical migraine parameters among pediatric patients are based on relatively few studies, which did not use the current version of the International Classification of Headache Disorders (ICHD) of the International Headache Society. The aim of the present study was to compare between males and females, demographic and clinical characteristics of children and adolescents with migraines diagnosed according to the ICDIII-beta version...
August 8, 2017: Journal of Headache and Pain
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