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https://www.readbyqxmd.com/read/27911104/upregulation-of-t-cell-immunoglobulin-and-mucin-domain-containing-3-tim-3-in-monocytes-macrophages-associates-with-gastric-cancer-progression
#1
Zhenxin Wang, Ni Yin, Zixiang Zhang, Yi Zhang, Guangbo Zhang, Weichang Chen
T-cell immunoglobulin and mucin-domain containing-3 (Tim-3) is an important immune regulatory molecule in cancer immune system. However, expression and function of Tim-3 in monocytes/macrophages in cancer progression mainly remain unclear. In this study, we analyzed Tim-3 levels in peripheral blood mononuclear cells (PBMCs) from 62 gastric cancer patients and 45 healthy controls using flow cytometry and then associated Tim-3 levels with clinical pathological data from patients. We found Tim-3 level was significantly upregulated in monocytes from gastric cancer patients compared with those from healthy controls, and that upregulated Tim-3 levels associated with depth of tumor invasion and tumor lymph node metastasis and advanced clinical stages of gastric cancer patients...
December 2, 2016: Immunological Investigations
https://www.readbyqxmd.com/read/27910348/demonstration-of-imaging-x-ray-thomson-scattering-on-omega-ep
#2
Patrick X Belancourt, Wolfgang Theobald, Paul A Keiter, Tim J B Collins, Mark J Bonino, Pawel M Kozlowski, Sean P Regan, R Paul Drake
Foams are a common material for high-energy-density physics experiments because of low, tunable densities, and being machinable. Simulating these experiments can be difficult because the equation of state is largely unknown for shocked foams. The focus of this experiment was to develop an x-ray scattering platform for measuring the equation of state of shocked foams on OMEGA EP. The foam used in this experiment is resorcinol formaldehyde with an initial density of 0.34 g/cm(3). One long-pulse (10 ns) beam drives a shock into the foam, while the remaining three UV beams with a 2 ns square pulse irradiate a nickel foil to create the x-ray backlighter...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27909753/six-minute-walk-test-as-a-predictor-for-outcome-in-children-with-dilated-cardiomyopathy-and-chronic-stable-heart-failure
#3
Susanna L den Boer, Daniël H K Flipse, Marijke H van der Meulen, Ad P C M Backx, Gideon J du Marchie Sarvaas, Arend D J Ten Harkel, Gabriëlle G van Iperen, Lukas A J Rammeloo, Ronald B Tanke, Willem A Helbing, Tim Takken, Michiel Dalinghaus
Cardiopulmonary exercise testing is an important tool to predict prognosis in children and adults with heart failure. A much less sophisticated exercise test is the 6 min walk test, which has been shown an independent predictor for morbidity and mortality in adults with heart failure. Therefore, we hypothesized that the 6 min walk test could be predictive for outcome in children with dilated cardiomyopathy. We prospectively included 49 children with dilated cardiomyopathy ≥6 years who performed a 6 min walk test...
December 1, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27906828/presence-of-cytotoxic-extracellular-histones-in-machine-perfusate-of-donation-after-circulatory-death-kidneys
#4
Tim C van Smaalen, Daniëlle M H Beurskens, E R Pieter Hoogland, Bjorn Winkens, Maarten H L Christiaans, Chris P Reutelingsperger, L W Ernest van Heurn, Gerry A F Nicolaes
BACKGROUND: Extracellular histones are cytotoxic molecules that are related to cell stress and death. They have been shown to play a crucial role in multiple pathophysiologic processes like sepsis, inflammation, vascular dysfunction and thrombosis. Their role in organ donation and graft function and survival is still unknown. The aim of this study was to assess whether an association exists between the presence of extracellular histones in machine perfusates and deceased donor kidney viability...
December 1, 2016: Transplantation
https://www.readbyqxmd.com/read/27906765/hemodynamic-disturbances-in-the-early-phase-after-subarachnoid-hemorrhage-regional-cerebral-blood-flow-studied-by-bedside-xenon-enhanced-ct
#5
Henrik Engquist, Anders Lewén, Tim Howells, Ulf Johnson, Elisabeth Ronne-Engström, Pelle Nilsson, Per Enblad, Elham Rostami
BACKGROUND: The mechanisms leading to neurological deterioration and the devastating course of delayed cerebral ischemia (DCI) after subarachnoid hemorrhage (SAH) are still not well understood. Bedside xenon-enhanced computerized tomography (XeCT) enables measurements of regional cerebral blood flow (rCBF) during neurosurgical intensive care. In the present study, CBF characteristics in the early phase after severe SAH were explored and related to clinical characteristics and early clinical course outcome...
November 30, 2016: Journal of Neurosurgical Anesthesiology
https://www.readbyqxmd.com/read/27906022/risk-factors-for-unstructured-treatment-interruptions-and-association-with-survival-in-low-to-middle-income-countries
#6
James H McMahon, Tim Spelman, Nathan Ford, Jane Greig, Anita Mesic, Charles Ssonko, Esther C Casas, Daniel P O'Brien
BACKGROUND: Antiretroviral therapy (ART) treatment interruptions lead to poor clinical outcomes with unplanned or unstructured TIs (uTIs) likely to be underreported. This study describes; uTIs, their risk factors and association with survival. METHODS: Analysis of ART programmatic data from 11 countries across Asia and Africa between 2003 and 2013 where an uTI was defined as a ≥90-day patient initiated break from ART calculated from the last day the previous ART prescription would have run out until the date of the next ART prescription...
July 11, 2016: AIDS Research and Therapy
https://www.readbyqxmd.com/read/27903763/enzyme-activation-through-the-utilization-of-intrinsic-dianion-binding-energy
#7
REVIEW
T L Amyes, M M Malabanan, X Zhai, A C Reyes, J P Richard
We consider 'the proposition that the intrinsic binding energy that results from the noncovalent interaction of a specific substrate with the active site of the enzyme is considerably larger than is generally believed. An important part of this binding energy may be utilized to provide the driving force for catalysis, so that the observed binding energy represents only what is left over after this utilization' [Jencks,W.P. (1975) Adv. Enzymol. Relat. Areas. Mol. Biol., 43: , 219-410]. The large ~12 kcal/mol intrinsic substrate phosphodianion binding energy for reactions catalyzed by triosephosphate isomerase (TIM), orotidine 5'-monophosphate decarboxylase and glycerol-3-phosphate dehydrogenase is divided into 4-6 kcal/mol binding energy that is expressed on the formation of the Michaelis complex in anchoring substrates to the respective enzyme, and 6-8 kcal/mol binding energy that is specifically expressed at the transition state in activating the respective enzymes for catalysis...
November 29, 2016: Protein Engineering, Design & Selection: PEDS
https://www.readbyqxmd.com/read/27901467/structural-basis-for-the-disaggregase-activity-and-regulation-of-hsp104
#8
Alexander Heuck, Sonja Schitter-Sollner, Marcin Józef Suskiewicz, Robert Kurzbauer, Juliane Kley, Alexander Schleiffer, Pascaline Rombaut, Franz Herzog, Tim Clausen
The Hsp104 disaggregase is a two-ring ATPase machine that rescues various forms of non-native proteins including the highly resistant amyloid fibers. The structural-mechanistic underpinnings of how the recovery of toxic protein aggregates is promoted and how this potent unfolding activity is prevented from doing collateral damage to cellular proteins are not well understood. Here, we present structural and biochemical data revealing the organization of Hsp104 from Chaetomium thermophilum at 3.7 Å resolution...
November 30, 2016: ELife
https://www.readbyqxmd.com/read/27899919/fermentation-of-ammonia-fiber-expansion-treated-and-untreated-barley-straw-in-a-rumen-simulation-technique-using-rumen-inoculum-from-cattle-with-slow-versus-fast-rate-of-fiber-disappearance
#9
Candace L Griffith, Gabriel O Ribeiro, Masahito Oba, Tim A McAllister, Karen A Beauchemin
The purpose of this study was to determine the effect of rumen inoculum from heifers with fast vs. slow rate of in situ fiber digestion on the fermentation of complex versus easily digested fiber sources in the forms of untreated and Ammonia Fiber Expansion (AFEX) treated barley straw, respectively, using an artificial rumen simulation technique (Rusitec). In situ fiber digestion was measured in a previous study by incubating untreated barley straw in the rumen of 16 heifers fed a diet consisting of 700 g/kg barley straw and 300 g/kg concentrate...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27898155/balance-confidence-and-activity-of-community-dwelling-patients-with-transtibial-amputation
#10
Alena Mandel, Kailan Paul, Ruby Paner, Michael Devlin, Steve Dilkas, Tim Pauley
The purpose of this study was to examine the relationship between balance confidence and community-based physical activity. Twenty-two community-dwelling patients with right or left unilateral transtibial amputation who reported no falls in the past 6 mo completed the Activities-Specific Balance Confidence Scale (ABC) and wore a StepWatch Activity Monitor for 7 consecutive d in the community. Subjects were subsequently stratified as low ( <3,000 steps/d) or high (>/=3,000) steps/d) activity groups. Balance confidence was significantly lower among the low activity weekday group (LAG, 70...
2016: Journal of Rehabilitation Research and Development
https://www.readbyqxmd.com/read/27897469/a-randomized-controlled-trial-investigating-a-paraprofessional-led-self-management-coaching-program-for-community-dwelling-patients-with-type-2-diabetes-prescribed-insulin
#11
Tim Pauley, Judith Gargaro, Glen Chenard, Helen Cavanagh, Sandra M McKay
This study evaluated paraprofessional-led diabetes self-management coaching (DSMC). Subjects were randomized to standard care or standard care plus coaching. Measures included the Diabetes Self-Efficacy Scale (DSES), Insulin Management Self-Efficacy Scale (IMDSES), and Hospital Anxiety and Depression Scale (HADS). Both groups improvement in DSES (6.6 + 1.5 vs. 7.2 + 1.5, p < .001) and IMDSES (113.5 + 20.6 vs. 125.7 + 22.3, p < .001); there were no between-groups differences. There were no between-groups differences in anxiety (p > ...
November 29, 2016: Home Health Care Services Quarterly
https://www.readbyqxmd.com/read/27897427/structure-based-drug-design-of-mineralocorticoid-receptor-antagonists-to-explore-oxosteroid-receptor-selectivity
#12
Anneli Nordqvist, Gavin O'Mahony, Maria Fridén-Saxin, Marlene Fredenwall, Anders Hogner, Kenneth L Granberg, Anna Aagaard, Stefan Bäckström, Anders Gunnarsson, Tim Kaminski, Yafeng Xue, Anita Dellsén, Eva Hansson, Pia Hansson, Ida Ivarsson, Ulla Karlsson, Krister Bamberg, Majlis Hermansson, Jennie Georgsson, Bo Lindmark, Karl Edman
The mineralocorticoid receptor (MR) is a nuclear hormone receptor involved in regulation of body fluid and electrolyte homeostasis. In this study we explore selectivity triggers for a series of non-steroidal MR antagonists to improve selectivity over other members of the oxosteroid receptor family. A biaryl sulfonamide compound was identified in a high-throughput screening (HTS) campaign. The compound bound to MR with a pKi=6.6, but displayed poor selectivity over the glucocorticoid receptor (GR) and the progesterone receptor (PR)...
November 29, 2016: ChemMedChem
https://www.readbyqxmd.com/read/27897344/single-molecule-conductance-studies-of-organometallic-complexes-bearing-3-thienyl-contacting-groups
#13
Sören Bock, Oday Al-Owaedi, Samantha Eaves, David Milan, Mario Lemmer, Brian Skelton, Henrry Osorio, Richard Nichols, Simon Higgins, Pilar Cea, Nicholas Long, Tim Albrecht, Santiago Martín, Colin Lambert, Paul J Low
The compounds and complexes 1,4-C6H4(C≡C-cyclo-3-C4H3S)2 (2), trans-Pt(C≡C-cyclo-3-C4H3S)2(PEt3)2 (3), trans-Ru(C≡C-cyclo-3-C4H3S)2(dppe)2 (4) and trans-Ru(C≡C-cyclo-3-C4H3S)2{P(OEt)3}4 (5) featuring the 3-thienyl moiety as a surface contacting group for gold electrodes have been prepared, crystallographically characterised in the case of 3 - 5, and studied in metal|molecule|metal junctions using both STM-I(s) and STM-BJ methods. The compounds exhibit similar conductance profiles, with a low conductance feature being more readily identified by STM-I(s) methods, and a higher feature by the STM-BJ method...
November 29, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27890862/randomized-blinded-and-controlled-comparative-study-of-chemical-and-radiofrequency-based-renal-denervation-in-a-porcine-model
#14
Stefan Bertog, Tim A Fischell, Félix Vega, Vartan Ghazarossian, Atul Pathak, Laura Vaskelyte, Darrin Kent, Horst Sievert, Elena Ladich, Kazuyuki Yahagi, Renu Virmani
AIMS: The blood pressure lowering effect of percutaneous renal denervation (RDN) is controversial. Success of RDN may be device-dependent. We sought to compare the efficacy of RDN by chemical neurolysis using alcohol (Peregrine System™ Infusion Catheter, Ablative Solutions, Inc. Menlo Park, CA, USA) to RDN by radiofrequency (RF) ablation with the single-electrode RF catheter (Symplicity™ Flex, Medtronic Inc., Minneapolis, MN, USA) in a porcine model. METHODS AND RESULTS: This was a prospective, randomized, blinded study...
November 29, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27888561/novel-hepato-preferential-basal-insulin-peglispro-bil-does-not-differentially-affect-insulin-sensitivity-compared-with-insulin-glargine-in-patients-with-type-1-and-type-2-diabetes
#15
Niels Porksen, Helle Linnebjerg, Parag Garhyan, Eric Chen Quin Lam, Mary Pat Knadler, Scott J Jacober, Ulrike Hoevelmann, Leona Plum-Moerschel, Elaine Watkins, Amalia Gastaldelli, Tim Heise
AIMS: Basal insulin peglispro (BIL) is a novel PEGylated basal insulin with a flat pharmacokinetic and glucodynamic profile and reduced peripheral effects, which results in a hepato-preferential action. In Phase 3 trials, patients with T1DM treated with BIL had lower prandial insulin requirements, yet improved prandial glucose control, relative to insulin glargine (GL). We hypothesized that this may be due to an enhanced sensitivity to prandial insulin with BIL resulting from lower chronic peripheral insulin action...
November 26, 2016: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/27886353/patient-reported-outcomes-after-revision-surgery-compared-to-primary-total-hip-arthroplasty
#16
Anne E Postler, Franziska Beyer, Tim Wegner, Jörg Lützner, Albrecht Hartmann, Ishaq Ojodu, Klaus-Peter Günther
INTRODUCTION: Patients who undergo either primary or revision total hip arthroplasty (THA) mainly expect improvement in pain, function/activity and quality of life. The purpose of the study was to measure the degree of short-term and medium-term improvement and the differences in patient-reported outcome that can be expected in patients undergoing revision THA, compared to patients undergoing primary THA. METHODS: In this study, the results of patient-reported outcome measurements were compared in 124 matched patients, who underwent revision surgery and primary THA between 01/2007 and 12/2009...
November 22, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27886140/english-stop-smoking-services-one-year-outcomes
#17
Linda Bauld, Rosemary Hiscock, Fiona Dobbie, Paul Aveyard, Tim Coleman, Jo Leonardi-Bee, Hayden McRobbie, Andy McEwen
The UK is a global leader in stop-smoking support-providing free behavioral support and cessation medication via stop smoking services (SSS) without charge to smokers. This study aimed to explore the client and service characteristics associated with abstinence 52 weeks after quitting. A prospective cohort study of 3057 SSS clients in nine different areas of England who began their quit attempt between March 2012 and March 2013 was conducted. Important determinants of long-term quitting were assessed through quit rates and multivariable logistic regression...
November 24, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27885062/quantifying-risk-of-early-relapse-in-patients-with-first-demyelinating-events-prediction-in-clinical-practice
#18
Tim Spelman, Claire Meyniel, Juan Ignacio Rojas, Alessandra Lugaresi, Guillermo Izquierdo, Francois Grand'Maison, Cavit Boz, Raed Alroughani, Eva Havrdova, Dana Horakova, Gerardo Iuliano, Pierre Duquette, Murat Terzi, Pierre Grammond, Raymond Hupperts, Jeannette Lechner-Scott, Celia Oreja-Guevara, Eugenio Pucci, Freek Verheul, Marcela Fiol, Vincent Van Pesch, Edgardo Cristiano, Thor Petersen, Fraser Moore, Tomas Kalincik, Vilija Jokubaitis, Maria Trojano, Helmut Butzkueven
BACKGROUND: Characteristics at clinically isolated syndrome (CIS) examination assist in identification of patient at highest risk of early second attack and could benefit the most from early disease-modifying drugs (DMDs). OBJECTIVE: To examine determinants of second attack and validate a prognostic nomogram for individualised risk assessment of clinical conversion. METHODS: Patients with CIS were prospectively followed up in the MSBase Incident Study...
November 24, 2016: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/27881494/a-new-uplc-method-with-chemometric-design-optimization-approach-for-the-simultaneous-quantitation-of-brimonidine-tartrate-and-timolol-maleate-in-an-eye-drop-preparation
#19
REVIEW
Eda Büker, Erdal Dinç
A new ultra-performance liquid chromatography (UPLC) with photodiode array was proposed for the quantitation of Brimonidine Tartrate (BRI) and Timolol Maleate (TIM) in eye drop using experimental design and optimization methodology. A 3(3) full factorial design was applied to uncover the effects of the selected factors and their interactions on the chromatographic response function for the optimization of experimental conditions in the development of a new UPLC method. As a result, the optimal chromatographic conditions giving a better separation and short analysis time were found to be 49...
November 23, 2016: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/27881010/down-regulated-expression-of-tim-3-promotes-invasion-and-metastasis-of-colorectal-cancer-cells
#20
Q Y Sun, C H Qu, J Q Liu, P Zhang, J Yao
To explore how Tim-3 is expressed and how its expression influences invasion and metastasis of colorectal cancer (CRC) cells. A total of 188 CRC patients were prospectively collected for this study. Meanwhile, 135 normal controls were incorporated during the same period. Intestinal samples of the CRC radical cancerous tissues, paracancerous tissues ( 5.0 cm beyond the cancer tissue) were collected for the following experiment. Furthermore, peripheral venous blood samples (10 ml) were collected from each subject...
November 24, 2016: Neoplasma
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