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https://www.readbyqxmd.com/read/28229343/a-case-of-pancreaticobiliary-maljunction-with-a-connecting-duct-without-a-long-common-channel
#1
Masataka Kikuyama, Terumi Kamisawa, Sawako Kuruma, Kazuro Chiba, Satomi Koizumi, Taku Tabata, Goro Honda
Pancreaticobiliary maljunction (PBM) is a congenital malformation in which the pancreatic and bile ducts join anatomically outside the duodenal wall, usually forming an abnormally long common channel. In PBM, since the long common channel defeats the effect of the sphincter of Oddi, pancreatobiliary reflux frequently occurs, resulting in high rates of biliary tract cancers. We present the case of a 68-year-old female with advanced gallbladder cancer concomitant with bile duct cancer associated with PBM without biliary dilatation that had an extremely rare configuration showing a connecting duct without a long common channel...
February 22, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28225045/membrane-targeting-of-tirap-is-negatively-regulated-by-phosphorylation-in-its-phosphoinositide-binding-motif
#2
Xiaolin Zhao, Wen Xiong, Shuyan Xiao, Tuo-Xian Tang, Jeffrey F Ellena, Geoffrey S Armstrong, Carla V Finkielstein, Daniel G S Capelluto
Pathogen-activated Toll-like receptors (TLRs), such as TLR2 and TLR4, dimerize and move laterally across the plasma membrane to phosphatidylinositol (4,5)-bisphosphate-enriched domains. At these sites, TLRs interact with the TIR domain-containing adaptor protein (TIRAP), triggering a signaling cascade that leads to innate immune responses. Membrane recruitment of TIRAP is mediated by its phosphoinositide (PI)-binding motif (PBM). We show that TIRAP PBM transitions from a disordered to a helical conformation in the presence of either zwitterionic micelles or monodispersed PIs...
February 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28223504/transcriptome-wide-microrna-and-target-dynamics-in-the-fat-body-during-the-gonadotrophic-cycle-of-aedes-aegypti
#3
Xiufeng Zhang, Emre Aksoy, Thomas Girke, Alexander S Raikhel, Fedor V Karginov
The mosquito Aedes aegypti is a major vector of numerous viral diseases, because it requires a blood meal to facilitate egg development. The fat body, a counterpart of mammalian liver and adipose tissues, is the metabolic center, playing a key role in reproduction. Therefore, understanding of regulatory networks controlling its functions is critical, and the role of microRNAs (miRNAs) in the process is largely unknown. We aimed to explore miRNA expression and potential targets in the female fat body of Ae. aegypti, as well as their changes postblood meal (PBM)...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28210864/pharmacy-benefit-management-companies-do-they-create-value-in-the-us-healthcare-system
#4
Alan Lyles
Pharmacy benefit management companies (PBMs) perform functions in the US market-based healthcare system that may be performed by public agencies or quasi-public institutions in other nations. By aggregating lives covered under their many individual contracts with payers, PBMs have formidable negotiating power. They influence pharmaceutical insurance coverage, design the terms of coverage in a plan's drug benefit, and create competition among providers for inclusion in a plan's network. PBMs have, through intermediation, the potential to secure lower drug prices and to improve rational prescribing...
February 16, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/28192714/design-and-synthesis-of-temperature-responsive-polymer-silica-hybrid-nanoparticles-and-application-to-thermally-controlled-cellular-uptake
#5
Yuki Hiruta, Ryo Nemoto, Hideko Kanazawa
This study reports the development of temperature-responsive polymer/silica hybrid nanoparticles and their application to temperature-dependent intracellular uptake of hydrophobic encapsulated fluorescence molecules. Amphiphilic diblock copolymer comprising a temperature-responsive segment, poly(N-isopropylacrylamide-co-N,N-dimethylacrylamide) [P(NIPAAm-co-DMAAm)] and a trimethyoxysilyl-containing hydrophobic segment was synthesized (PBM-b-ND); this amphiphilic diblock copolymer self-assembled in an aqueous solution, and temperature-responsive polymer/silica hybrid fluorescence nanoparticles were fabricated via a base-catalyzed sol-gel process...
February 4, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28186868/effects-of-near-infrared-light-on-cerebral-bioenergetics-measured-with-phosphorus-magnetic-resonance-spectroscopy
#6
Dionyssios Mintzopoulos, Timothy E Gillis, Clark E Tedford, Marc J Kaufman
OBJECTIVE: Cerebral photobiomodulation (PBM) improves mood and cognition. Cerebral metabolic enhancement is a mechanism proposed to underlie PBM effects. No PBM studies to date have applied phosphorus magnetic resonance spectroscopy ((31)P MRS), which can be used to assess metabolic intermediates such as phosphocreatine (PCr) and adenosine triphosphate, the latter of which is elevated by PBM. Accordingly, we used 9.4 Tesla (31)P MRS to characterize effects of single and repeat cerebral PBM treatments on metabolism...
February 9, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28186867/significant-improvement-in-cognition-in-mild-to-moderately-severe-dementia-cases-treated-with-transcranial-plus-intranasal-photobiomodulation-case-series-report
#7
Anita E Saltmarche, Margaret A Naeser, Kai Fai Ho, Michael R Hamblin, Lew Lim
OBJECTIVE: This study investigated whether patients with mild to moderately severe dementia or possible Alzheimer's disease (AD) with Mini-Mental State Exam (MMSE) Baseline scores of 10-24 would improve when treated with near-infrared photobiomodulation (PBM) therapy. BACKGROUND: Animal studies have presented the potential of PBM for AD. Dysregulation of the brain's default mode network (DMN) has been associated with AD, presenting the DMN as an identifiable target for PBM...
February 10, 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/28178868/low-level-lasers-effect-on-proliferation-migration-and-anti-apoptosis-of-mesenchymal-stem-cells
#8
Kan Yin, Rongjia Zhu, Shihua Wang, Robert Chunhua Zhao
Mesenchymal stem cells (MSCs) have been found to be helpful elements in tissue regeneration. Photobiomodulation (PBM) used extremely low level lasers (LLL) to affect the behaviour of cells. The effect mechanism of LLL on MSCs remained to be discovered. Here cell viability was assessed using MTS assays and cell cycle was evaluated by FACS. The influence of LLL on mitochondrial biogenesis (fission or fusion) and function (ATP, ROS, NO) were evaluated by TEM, FACS, RT-PCR, immunocytochemistry. Cell migration and cytoskeleton alteration (actin and tubulin) were evaluated using transwell assay, immunocytochemistry, ELISA and Western blotting...
February 8, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28176232/celiac-disease-in-children-with-severe-acute-malnutrition-sam-a-hospital-based-study
#9
Neetu Beniwal, Gaurav Ameta, Chandra Kumar Chahar
OBJECTIVES: To evaluate the prevalence and clinical features of Celiac disease among children with severe acute malnutrition (SAM). METHODS: This prospective observational study was conducted in PBM Children Hospital, Bikaner from July 2012 through December 2013. All consecutively admitted children with SAM were recruited. All subjects were screened for Celiac disease by serological test for IgA-anti tissue Transglutaminase (IgA tTG) antibodies. All seropositive children underwent upper gastrointestinal endoscopy for small bowel biopsy for the confirmation...
February 8, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28164305/single-unit-transfusions-and-hemoglobin-trigger-relative-impact-on-red-cell-utilization
#10
William W Yang, Rajiv N Thakkar, Eric A Gehrie, Weiyun Chen, Steven M Frank
BACKGROUND: Patient blood management (PBM) programs can reduce unnecessary transfusions, but the optimal methods used to achieve this effect are unclear. We tested the hypothesis that encouraging single-unit red blood cell (RBC) transfusions in stable patients would have a greater impact on blood use than compliance with a specific hemoglobin (Hb) transfusion trigger alone. STUDY DESIGN AND METHODS: We analyzed blood utilization data at three community hospitals without previous PBM efforts before and after implementing a PBM program...
February 5, 2017: Transfusion
https://www.readbyqxmd.com/read/28155011/photobiomodulation-laser-and-pulsed-electrical-field-increase-the-viability-of-the-musculocutaneous-flap-in-diabetic-rats
#11
Gabriella de Paula Marcondes Ferreira Leite, Lais Mara Siqueira das Neves, Carlos Alberto Silva, Rinaldo Roberto de Jesus Guirro, Thamires Rodrigues de Souza, Ana Karina de Souza, Sérgio Britto Garcia, Elaine Caldeira de Oliveira Guirro
The purpose of this study is to investigate the effect of pulsed electrical field (PEF) and photobiomodulation laser (PBM) on the viability of the TRAM flap in diabetic rats. Fifty Wistar rats were divided into five homogeneous groups: Group 1-control; Group 2-diabetics; Group 3-diabetics + PEF; Group 4-diabetic + laser 660 nm, 10 J/cm(2), 0.27 J; Group 5-diabetic + laser 660 nm, 140 J/cm(2), 3.9 J. The percentage of necrotic area was evaluated using software Image J®. The peripheral circulation of the flap was evaluated by infrared thermography FLIR T450sc (FLIR® Systems-Oregon USA)...
February 2, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28150313/improved-outcomes-and-reduced-costs-associated-with-a-health-system-wide-patient-blood-management-program-a-retrospective-observational-study-in-four-major-adult-tertiary-care-hospitals
#12
Michael F Leahy, Axel Hofmann, Simon Towler, Kevin M Trentino, Sally A Burrows, Stuart G Swain, Jeffrey Hamdorf, Trudi Gallagher, Audrey Koay, Gary C Geelhoed, Shannon L Farmer
BACKGROUND: Patient blood management (PBM) programs are associated with improved patient outcomes, reduced transfusions and costs. In 2008, the Western Australia Department of Health initiated a comprehensive health-system-wide PBM program. This study assesses program outcomes. STUDY DESIGN AND METHODS: This was a retrospective study of 605,046 patients admitted to four major adult tertiary-care hospitals between July 2008 and June 2014. Outcome measures were red blood cell (RBC), fresh-frozen plasma (FFP), and platelet units transfused; single-unit RBC transfusions; pretransfusion hemoglobin levels; elective surgery patients anemic at admission; product and activity-based costs of transfusion; in-hospital mortality; length of stay; 28-day all-cause emergency readmissions; and hospital-acquired complications...
February 2, 2017: Transfusion
https://www.readbyqxmd.com/read/28146070/decreased-expression-of-vitamin-d-receptor-affects-an-immune-response-in-primary-biliary-cholangitis-via-the-vdr-mirna155-socs1-pathway
#13
Agnieszka Kempinska-Podhorodecka, Malgorzata Milkiewicz, Urszula Wasik, Joanna Ligocka, Michał Zawadzki, Marek Krawczyk, Piotr Milkiewicz
Primary biliary cholangitis (PBC) is an immune-mediated cholestatic disease. Vitamin D receptor (VDR)-dependent signaling constrains an inflammatory response by targeting the miRNA155-SOCS1 (suppressor of cytokine signaling 1) axis. The VDR-miRNA155-SOCS1 pathway was investigated in the context of the autoimmune response associated with PBC. Human liver tissues from non-cirrhotic PBC (n = 22), cirrhotic PBC (n = 22), cirrhotic primary sclerosing cholangitis (PSC, n=13), controls (n = 23), and peripheral blood mononuclear cells (PBMC) obtained from PBC (n = 16) and PSC (n = 10) patients and healthy subjects (n = 11) were used for molecular analyses...
January 29, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28126568/a-risk-based-approach-for-identifying-constituents-of-concern-in-oil-sands-process-affected-water-from-the-athabasca-oil-sands-region
#14
Andrew D McQueen, Ciera M Kinley, Maas Hendrikse, Daniel P Gaspari, Alyssa J Calomeni, Kyla J Iwinski, James W Castle, Monique C Haakensen, Kerry M Peru, John V Headley, John H Rodgers
Mining leases in the Athabasca Oil Sands (AOS) region produce large volumes of oil sands process-affected water (OSPW) containing constituents that limit beneficial uses and discharge into receiving systems. The aim of this research is to identify constituents of concern (COCs) in OSPW sourced from an active settling basin with the goal of providing a sound rational for developing mitigation strategies for using constructed treatment wetlands for COCs contained in OSPW. COCs were identified through several lines of evidence: 1) chemical and physical characterization of OSPW and comparisons with numeric water quality guidelines and toxicity endpoints, 2) measuring toxicity of OSPW using a taxonomic range of sentinel organisms (i...
January 13, 2017: Chemosphere
https://www.readbyqxmd.com/read/28121606/flexing-that-pbm-muscle-a-billion-reasons-why-it-is-a-good-thing
#15
Howard Wolinsky
No abstract text is available yet for this article.
November 2016: Managed Care
https://www.readbyqxmd.com/read/28118944/microrna-155-contributes-to-enhanced-resistance-to-apoptosis-in-monocytes-from-patients-with-rheumatoid-arthritis
#16
Megha Rajasekhar, Anton M Olsson, Kathryn J A Steel, Mirella Georgouli, Ushan Ranasinghe, Christine Brender Read, Klaus S Frederiksen, Leonie S Taams
Monocytes and macrophages are key mediators of inflammation in rheumatoid arthritis (RA). Their persistence at the inflammatory site is likely to contribute to immunopathology. We sought to characterise one mechanism by which persistence may be achieved: resistance to apoptosis and the role of mir-155 in this process. CD14+ monocytes from peripheral blood (PBM) and synovial fluid (SFM) of RA patients were found to be resistant to spontaneous apoptosis relative to PBM from healthy control (HC) individuals. RA SFM were also resistant to anti-Fas-mediated apoptosis and displayed a gene expression profile distinct from HC and RA PBM populations...
January 21, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28116535/investigation-of-photobiomodulation-potentiality-by-635-and-809%C3%A2-nm-lasers-on-human-osteoblasts
#17
Gamze Bölükbaşı Ateş, Ayşe Ak Can, Murat Gülsoy
Photobiomodulation (PBM) describes light-induced photochemical reactions achieved by the application of red or near infrared lasers/LED light with low energy densities. This noninvasive and painless method has been used in some clinical areas but controversial outcomes demand a skeptical look for its promising and potential effects. In this detailed in vitro study, the osteoblast cells were irradiated with 635 and 809 nm diode lasers at energy densities of 0.5, 1, and 2 J/cm(2). Cell viability, proliferation, bone formation, and osteoblast differentiation were evaluated by methylthiazole tetrazolium (MTT) assay, Alamar Blue assay, acridine orange/propidium iodide staining, alkaline phosphatase (ALP) activity, Alizarin red staining, and reverse-transcription polymerase chain reaction (RT-PCR) to test the expression of collagen type I, ALPL, and osteocalcin...
January 23, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28078845/effect-of-low-energy-light-irradiation-by-light-emitting-diode-on-u937-cells
#18
G Spoto, V De Iuliis, M Petrini, V Flati, J Di Gregorio, D Vitale, M Caruso, V Dadorante, M Ciarmoli, I Robuffo, S Martinotti, E Toniato
Photobiomodulation (PBM) can induce a set of different biological modulators either in vitro or in vivo. Experimental evidence has highlighted the role of light effects on the mechanisms related to inflammation, apoptosis and autophagy. The goal of this project was the evaluation of PBM on U937, an established cell line of histiocytic lymphoma origin. Several aspects of modulation of proinflammatory pathways were analyzed and autophagic and proapoptotic mechanisms related to low laser light exposure of cells were studied...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28072934/aetiology-of-preoperative-anaemia-in-patients-undergoing-elective-cardiac-surgery-the-challenge-of-pillar-one-of-patient-blood-management
#19
J Abraham, R Sinha, K Robinson, V Scotland, D Cardone
Preoperative anaemia is common in patients undergoing cardiac surgery. Whilst there is a strong association with increased morbidity and mortality, it is currently unclear whether treatment of anaemia leads to patient benefit. This retrospective study aimed to determine the aetiology of preoperative anaemia in a cohort of patients undergoing elective cardiac surgery over two years at a tertiary hospital. Laboratory data obtained at the preoperative assessment clinic visit were assessed to stratify patients into four groups-iron deficiency anaemia (IDA), possible IDA, anaemia of chronic disease (ACD) and non-anaemic patients with low ferritin according to the 'Preoperative haemoglobin assessment and optimisation template' of the Australian Patient Blood Management (PBM) Guidelines...
January 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28070154/proposed-mechanisms-of-photobiomodulation-or-low-level-light-therapy
#20
Lucas Freitas de Freitas, Michael R Hamblin
Photobiomodulation (PBM) also known as low-level laser (or light) therapy (LLLT), has been known for almost 50 years but still has not gained widespread acceptance, largely due to uncertainty about the molecular, cellular, and tissular mechanisms of action. However, in recent years, much knowledge has been gained in this area, which will be summarized in this review. One of the most important chromophores is cytochrome c oxidase (unit IV in the mitochondrial respiratory chain), which contains both heme and copper centers and absorbs light into the near-infra-red region...
May 2016: IEEE Journal of Selected Topics in Quantum Electronics
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