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https://www.readbyqxmd.com/read/29097866/how-to-perform-gastrointestinal-ultrasound-anatomy-and-normal-findings
#1
REVIEW
Nathan S S Atkinson, Robert V Bryant, Yi Dong, Christian Maaser, Torsten Kucharzik, Giovanni Maconi, Anil K Asthana, Michael Blaivas, Adrian Goudie, Odd Helge Gilja, Dieter Nuernberg, Dagmar Schreiber-Dietrich, Christoph F Dietrich
Gastrointestinal ultrasound is a practical, safe, cheap and reproducible diagnostic tool in inflammatory bowel disease gaining global prominence amongst clinicians. Understanding the embryological processes of the intestinal tract assists in the interpretation of abnormal sonographic findings. In general terms, the examination principally comprises interrogation of the colon, mesentery and small intestine using both low-frequency and high-frequency probes. Interpretation of findings on GIUS includes assessment of bowel wall thickness, symmetry of this thickness, evidence of transmural changes, assessment of vascularity using Doppler imaging and assessment of other specific features including lymph nodes, mesentery and luminal motility...
October 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28982740/phase-ii-evaluation-of-anti-madcam-antibody-pf-00547659-in-the-treatment-of-crohn-s-disease-report-of-the-opera-study
#2
William J Sandborn, Scott D Lee, Dino Tarabar, Edouard Louis, Maria Klopocka, Jochen Klaus, Walter Reinisch, Xavier Hébuterne, Dong-Il Park, Stefan Schreiber, Satyaprakash Nayak, Alaa Ahmad, Anindita Banerjee, Lisa S Brown, Fabio Cataldi, Kenneth J Gorelick, John B Cheng, Mina Hassan-Zahraee, Robert Clare, Geert R D'Haens
OBJECTIVE: This phase II, randomised, double-blind, placebo-controlled clinical trial was designed to evaluate the efficacy and safety of PF-00547659, a fully human monoclonal antibody that binds to human mucosal addressin cell adhesion molecule (MAdCAM) to selectively reduce lymphocyte homing to the intestinal tract, in patients with moderate-to-severe Crohn's disease (CD). DESIGN: Eligible adults were aged 18-75 years, with active moderate-to-severe CD (Crohn's Disease Activity Index (CDAI) 220-450), a history of failure or intolerance to antitumour necrosis factor and/or immunosuppressive agents, high-sensitivity C reactive protein >3...
October 5, 2017: Gut
https://www.readbyqxmd.com/read/28827067/increased-tryptophan-metabolism-is-associated-with-activity-of-inflammatory-bowel-diseases
#3
Susanna Nikolaus, Berenice Schulte, Natalie Al-Massad, Florian Thieme, Dominik M Schulte, Johannes Bethge, Ateequr Rehman, Florian Tran, Konrad Aden, Robert Häsler, Natalie Moll, Gregor Schütze, Markus J Schwarz, Georg H Waetzig, Philip Rosenstiel, Michael Krawczak, Silke Szymczak, Stefan Schreiber
BACKGROUND & AIMS: Administration of tryptophan, and some of its metabolites, reduces the severity of colitis in mice, whereas removing tryptophan from the diet increases susceptibility to colitis. Transfer of the intestinal microbiome can increase susceptibility of mice to colitis. We aimed to systematically evaluate serum levels of tryptophan and its metabolites in patients with inflammatory bowel diseases (IBD), and study their association with clinical and serologic features. METHODS: We studied 535 consecutive patients with IBD (211 with ulcerative colitis [UC], 234 with Crohn's disease [CD]; 236 male), enrolled in Germany from August 2013 through April 2014 and followed until July 2016...
August 18, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28756471/the-research-agenda-for-trauma-critical-care
#4
REVIEW
Karim Asehnoune, Zsolt Balogh, Giuseppe Citerio, Andre Cap, Timothy Billiar, Nino Stocchetti, Mitchell J Cohen, Paolo Pelosi, Nicola Curry, Christine Gaarder, Russell Gruen, John Holcomb, Beverley J Hunt, Nicole P Juffermans, Mark Maegele, Mark Midwinter, Frederick A Moore, Michael O'Dwyer, Jean-François Pittet, Herbert Schöchl, Martin Schreiber, Philip C Spinella, Simon Stanworth, Robert Winfield, Karim Brohi
In this research agenda on the acute and critical care management of trauma patients, we concentrate on the major factors leading to death, namely haemorrhage and traumatic brain injury (TBI). In haemostasis biology, the results of randomised controlled trials have led to the therapeutic focus moving away from the augmentation of coagulation factors (such as recombinant factor VIIa) and towards fibrinogen supplementation and administration of antifibrinolytics such as tranexamic acid. Novel diagnostic techniques need to be evaluated to determine whether an individualised precision approach is superior to current empirical practice...
July 29, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28680120/post-glacial-biogeography-of-trembling-aspen-inferred-from-habitat-models-and-genetic-variance-in-quantitative-traits
#5
Chen Ding, Stefan G Schreiber, David R Roberts, Andreas Hamann, Jean S Brouard
Using species distribution models and information on genetic structure and within-population variance observed in a series of common garden trials, we reconstructed a historical biogeography of trembling aspen in North America. We used an ensemble classifier modelling approach (RandomForest) to reconstruct palaeoclimatic habitat for the periods 21,000, 14,000, 11,000 and 6,000 years before present. Genetic structure and diversity in quantitative traits was evaluated in common garden trials with 43 aspen collections ranging from Minnesota to northern British Columbia...
July 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28671682/a-small-molecule-allosteric-inhibitor-of-mycobacterium-tuberculosis-tryptophan-synthase
#6
Samantha Wellington, Partha P Nag, Karolina Michalska, Stephen E Johnston, Robert P Jedrzejczak, Virendar K Kaushik, Anne E Clatworthy, Noman Siddiqi, Patrick McCarren, Besnik Bajrami, Natalia I Maltseva, Senya Combs, Stewart L Fisher, Andrzej Joachimiak, Stuart L Schreiber, Deborah T Hung
New antibiotics with novel targets are greatly needed. Bacteria have numerous essential functions, but only a small fraction of such processes-primarily those involved in macromolecular synthesis-are inhibited by current drugs. Targeting metabolic enzymes has been the focus of recent interest, but effective inhibitors have been difficult to identify. We describe a synthetic azetidine derivative, BRD4592, that kills Mycobacterium tuberculosis (Mtb) through allosteric inhibition of tryptophan synthase (TrpAB), a previously untargeted, highly allosterically regulated enzyme...
September 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28646359/music-as-an-adjunct-to-opioid-based-analgesia
#7
Peter R Chai, Stephanie Carreiro, Megan L Ranney, Ketki Karanam, Marko Ahtisaari, Robert Edwards, Kristin L Schreiber, Lubabah Ben-Ghaly, Timothy B Erickson, Edward W Boyer
Epidemic increases in opioid use in the USA and globally highlight the need for effective adjunctive therapies to opioid-based analgesia. Given the shortcomings of behavioral adjuncts to opioid-based pain treatment, an urgent need exists for pain-related behavioral interventions that resonate with broad patient populations, can be delivered confidentially in any environment, and can incorporate new content automatically. Understanding the potential for automated behavioral therapies like music therapy in modulating the experience of pain may unlock methods to transition patients to lower doses of pharmacologic therapy or provide alternatives to opioids during acute exacerbations of pain...
June 23, 2017: Journal of Medical Toxicology: Official Journal of the American College of Medical Toxicology
https://www.readbyqxmd.com/read/28619954/a-novel-immune-biomarker-ifi27-discriminates-between-influenza-and-bacteria-in-patients-with-suspected-respiratory-infection
#8
Benjamin M Tang, Maryam Shojaei, Grant P Parnell, Stephen Huang, Marek Nalos, Sally Teoh, Kate O'Connor, Stephen Schibeci, Amy L Phu, Anand Kumar, John Ho, Adrienne F A Meyers, Yoav Keynan, Terry Ball, Amarnath Pisipati, Aseem Kumar, Elizabeth Moore, Damon Eisen, Kevin Lai, Mark Gillett, Robert Geffers, Hao Luo, Fahad Gul, Jens Schreiber, Sandra Riedel, David Booth, Anthony McLean, Klaus Schughart
Host response biomarkers can accurately distinguish between influenza and bacterial infection. However, published biomarkers require the measurement of many genes, thereby making it difficult to implement them in clinical practice. This study aims to identify a single-gene biomarker with a high diagnostic accuracy equivalent to multi-gene biomarkers.In this study, we combined an integrated genomic analysis of 1071 individuals with in vitro experiments using well-established infection models.We identified a single-gene biomarker, IFI27, which had a high prediction accuracy (91%) equivalent to that obtained by multi-gene biomarkers...
June 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28550916/assessment-of-three-point-of-care-platelet-function-assays-in-adult-trauma-patients
#9
COMPARATIVE STUDY
Christopher Robert Connelly, John D Yonge, Sean P McCully, Kyle D Hart, Thomas C Hilliard, Diane E Lape, Justin J Watson, Beth Rick, Ben Houser, Thomas G Deloughery, Martin A Schreiber, Laszlo N Kiraly
BACKGROUND: Antiplatelet (AP) medication use is common among trauma patients and is associated with poor outcomes. Management options for platelet dysfunction in trauma patients are controversial, expensive, and potentially harmful. Although light transmission platelet aggregometry is considered the standard test to assess platelet function, it is cumbersome and not generally available. Currently, there are no widely accepted platelet function point-of-care tests for acute trauma. STUDY DESIGN: Prospective observational study from 2014 to 2015...
May 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28541578/disrupted-development-and-integrity-of-frontal-white-matter-in-patients-treated-for-pediatric-medulloblastoma
#10
John O Glass, Robert J Ogg, Jung W Hyun, Julie H Harreld, Jane E Schreiber, Shawna L Palmer, Yimei Li, Amar J Gajjar, Wilburn E Reddick
Background: Treatment of pediatric medulloblastoma is associated with known neurocognitive deficits that we hypothesize are caused by microstructural damage to frontal white matter (WM). Methods: Longitudinal MRI examinations were collected from baseline (after surgery but before therapy) to 36 months in 146 patients and at 3 time points in 72 controls. Regional analyses of frontal WM volume and diffusion tensor imaging metrics were performed and verified with tract-based spatial statistics...
October 1, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28538630/the-evolution-of-care-improves-outcome-in-blunt-thoracic-aortic-injury-a-western-trauma-association-multicenter-study
#11
Steven R Shackford, Casey E Dunne, Riyad Karmy-Jones, William Long, Desarom Teso, Martin A Schreiber, Justin Watson, Cheri Watson, Robert C McIntyre, Lisa Ferrigno, Mark L Shapiro, Kevin Southerland, Julie A Dunn, Paul Reckard, Thomas M Scalea, Megan Brenner, William A Teeter
BACKGROUND: The management of blunt thoracic aortic injury (BTAI) has evolved radically in the last decade with changes in the processes of care and the introduction of thoracic endovascular repair (TEVAR). These changes have wrought improved outcome, but the direct effect of TEVAR on outcome remains in question as previous studies have lacked vigorous risk adjustment and long-term follow-up. To address these knowledge gaps, we compared the outcomes of TEVAR, open surgical repair, and nonoperative management for BTAI...
May 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28520443/effective-interactions-and-colloidal-stability-of-bovine-%C3%AE-globulin-in-solution
#12
Stefano Da Vela, Felix Roosen-Runge, Maximilian W A Skoda, Robert M J Jacobs, Tilo Seydel, Henrich Frielinghaus, Michael Sztucki, Ralf Schweins, Fajun Zhang, Frank Schreiber
Interactions and phase behavior of γ-globulins are of fundamental interest in biophysical and pharmaceutical research, as these are among the most abundant proteins in blood plasma. In this work, we report the characterization of the oligomeric state of bovine γ-globulin, the effective protein-protein interactions, and the colloidal stability in aqueous solution as a function of protein concentration and ionic strength. Classical biochemical techniques, such as size exclusion chromatography (SEC) and gel electrophoresis, together with small-angle X-ray and neutron scattering (SAXS/SANS), were employed for this study...
June 15, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28495013/the-acttion-aps-aapm-pain-taxonomy-aaapt-multidimensional-approach-to-classifying-acute-pain-conditions
#13
Michael L Kent, Patrick J Tighe, Inna Belfer, Timothy J Brennan, Stephen Bruehl, Chad M Brummett, Chester C Buckenmaier, Asokumar Buvanendran, Robert I Cohen, Paul Desjardins, David Edwards, Roger Fillingim, Jennifer Gewandter, Debra B Gordon, Robert W Hurley, Henrik Kehlet, John D Loeser, Sean Mackey, Samuel A McLean, Rosemary Polomano, Siamak Rahman, Srinivasa Raja, Michael Rowbotham, Santhanam Suresh, Bernard Schachtel, Kristin Schreiber, Mark Schumacher, Brett Stacey, Steven Stanos, Knox Todd, Dennis C Turk, Steven J Weisman, Christopher Wu, Daniel B Carr, Robert H Dworkin, Gregory Terman
OBJECTIVE: With the increasing societal awareness of the prevalence and impact of acute pain, there is a need to develop an acute pain classification system that both reflects contemporary mechanistic insights and helps guide future research and treatment. Existing classifications of acute pain conditions are limiting, with a predominant focus on the sensory experience (eg, pain intensity) and pharmacologic consumption. Consequently, there is a need to more broadly characterize and classify the multidimensional experience of acute pain...
May 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28482098/the-acttion-aps-aapm-pain-taxonomy-aaapt-multidimensional-approach-to-classifying-acute-pain-conditions
#14
Michael L Kent, Patrick J Tighe, Inna Belfer, Timothy J Brennan, Stephen Bruehl, Chad M Brummett, Chester C Buckenmaier, Asokumar Buvanendran, Robert I Cohen, Paul Desjardins, David Edwards, Roger Fillingim, Jennifer Gewandter, Debra B Gordon, Robert W Hurley, Henrik Kehlet, John D Loeser, Sean Mackey, Samuel A McLean, Rosemary Polomano, Siamak Rahman, Srinivasa Raja, Michael Rowbotham, Santhanam Suresh, Bernard Schachtel, Kristin Schreiber, Mark Schumacher, Brett Stacey, Steven Stanos, Knox Todd, Dennis C Turk, Steven J Weisman, Christopher Wu, Daniel B Carr, Robert H Dworkin, Gregory Terman
Objective: With the increasing societal awareness of the prevalence and impact of acute pain, there is a need to develop an acute pain classification system that both reflects contemporary mechanistic insights and helps guide future research and treatment. Existing classifications of acute pain conditions are limiting, with a predominant focus on the sensory experience (e.g., pain intensity) and pharmacologic consumption. Consequently, there is a need to more broadly characterize and classify the multidimensional experience of acute pain...
May 1, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28444299/environmental-factors-associated-with-disease-flare-in-juvenile-and-adult-dermatomyositis
#15
Gulnara Mamyrova, Lisa G Rider, Alison Ehrlich, Olcay Jones, Lauren M Pachman, Robert Nickeson, Lisa G Criscone-Schreiber, Lawrence K Jung, Frederick W Miller, James D Katz
Objective: The aim was to assess environmental factors associated with disease flare in juvenile and adult dermatomyositis (DM). Methods: An online survey of DM patients from the USA and Canada examined smoking, sun exposure, infections, medications, vaccines, stressful life events and physical activity during the 6 months before flares, or in the past 6 months in patients without flares. Differences were evaluated by χ 2 and Fisher's exact tests, and significant univariable results were examined in multivariable logistic regression...
August 1, 2017: Rheumatology
https://www.readbyqxmd.com/read/28440272/corrigendum-pharmacological-inhibition-of-adipose-triglyceride-lipase-corrects-high-fat-diet-induced-insulin-resistance-and-hepatosteatosis-in-mice
#16
Martina Schweiger, Matthias Romauch, Renate Schreiber, Gernot F Grabner, Sabrina Hütter, Petra Kotzbeck, Pia Benedikt, Thomas O Eichmann, Sohsuke Yamada, Oskar Knittelfelder, Clemens Diwoky, Carina Doler, Nicole Mayer, Werner De Cecco, Rolf Breinbauer, Robert Zimmermann, Rudolf Zechner
No abstract text is available yet for this article.
April 25, 2017: Nature Communications
https://www.readbyqxmd.com/read/28421666/genetic-interplay-between-human-longevity-and-metabolic-pathways-a-large-scale-eqtl-study
#17
Robert Häsler, Geetha Venkatesh, Qihua Tan, Friederike Flachsbart, Anupam Sinha, Philip Rosenstiel, Wolfgang Lieb, Stefan Schreiber, Kaare Christensen, Lene Christiansen, Almut Nebel
Human longevity is a complex phenotype influenced by genetic and environmental components. Unraveling the contribution of genetic vs. nongenetic factors to longevity is a challenging task. Here, we conducted a large-scale RNA-sequencing-based expression quantitative trait loci study (eQTL) with subsequent heritability analysis. The investigation was performed on blood samples from 244 individuals from Germany and Denmark, representing various age groups including long-lived subjects up to the age of 104 years...
August 2017: Aging Cell
https://www.readbyqxmd.com/read/28346443/genome-wide-association-study-of-glioma-subtypes-identifies-specific-differences-in-genetic-susceptibility-to-glioblastoma-and-non-glioblastoma-tumors
#18
Beatrice S Melin, Jill S Barnholtz-Sloan, Margaret R Wrensch, Christoffer Johansen, Dora Il'yasova, Ben Kinnersley, Quinn T Ostrom, Karim Labreche, Yanwen Chen, Georgina Armstrong, Yanhong Liu, Jeanette E Eckel-Passow, Paul A Decker, Marianne Labussière, Ahmed Idbaih, Khe Hoang-Xuan, Anna-Luisa Di Stefano, Karima Mokhtari, Jean-Yves Delattre, Peter Broderick, Pilar Galan, Konstantinos Gousias, Johannes Schramm, Minouk J Schoemaker, Sarah J Fleming, Stefan Herms, Stefanie Heilmann, Markus M Nöthen, Heinz-Erich Wichmann, Stefan Schreiber, Anthony Swerdlow, Mark Lathrop, Matthias Simon, Marc Sanson, Ulrika Andersson, Preetha Rajaraman, Stephen Chanock, Martha Linet, Zhaoming Wang, Meredith Yeager, John K Wiencke, Helen Hansen, Lucie McCoy, Terri Rice, Matthew L Kosel, Hugues Sicotte, Christopher I Amos, Jonine L Bernstein, Faith Davis, Dan Lachance, Ching Lau, Ryan T Merrell, Joellen Shildkraut, Francis Ali-Osman, Siegal Sadetzki, Michael Scheurer, Sanjay Shete, Rose K Lai, Elizabeth B Claus, Sara H Olson, Robert B Jenkins, Richard S Houlston, Melissa L Bondy
Genome-wide association studies (GWAS) have transformed our understanding of glioma susceptibility, but individual studies have had limited power to identify risk loci. We performed a meta-analysis of existing GWAS and two new GWAS, which totaled 12,496 cases and 18,190 controls. We identified five new loci for glioblastoma (GBM) at 1p31.3 (rs12752552; P = 2.04 × 10(-9), odds ratio (OR) = 1.22), 11q14.1 (rs11233250; P = 9.95 × 10(-10), OR = 1.24), 16p13.3 (rs2562152; P = 1.93 × 10(-8), OR = 1.21), 16q12...
May 2017: Nature Genetics
https://www.readbyqxmd.com/read/28330863/bacterial-virulence-phenotypes-of-escherichia-coli-and-host-susceptibility-determine-risk-for-urinary-tract-infections
#19
Henry L Schreiber, Matt S Conover, Wen-Chi Chou, Michael E Hibbing, Abigail L Manson, Karen W Dodson, Thomas J Hannan, Pacita L Roberts, Ann E Stapleton, Thomas M Hooton, Jonathan Livny, Ashlee M Earl, Scott J Hultgren
Urinary tract infections (UTIs) are caused by uropathogenic Escherichia coli (UPEC) strains. In contrast to many enteric E. coli pathogroups, no genetic signature has been identified for UPEC strains. We conducted a high-resolution comparative genomic study using E. coli isolates collected from the urine of women suffering from frequent recurrent UTIs. These isolates were genetically diverse and varied in their urovirulence, that is, their ability to infect the bladder in a mouse model of cystitis. We found no set of genes, including previously defined putative urovirulence factors (PUFs), that were predictive of urovirulence...
March 22, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28327588/pharmacological-inhibition-of-adipose-triglyceride-lipase-corrects-high-fat-diet-induced-insulin-resistance-and-hepatosteatosis-in-mice
#20
Martina Schweiger, Matthias Romauch, Renate Schreiber, Gernot F Grabner, Sabrina Hütter, Petra Kotzbeck, Pia Benedikt, Thomas O Eichmann, Sohsuke Yamada, Oskar Knittelfelder, Clemens Diwoky, Carina Doler, Nicole Mayer, Werner De Cecco, Rolf Breinbauer, Robert Zimmermann, Rudolf Zechner
Elevated circulating fatty acids (FAs) contribute to the development of obesity-associated metabolic complications such as insulin resistance (IR) and non-alcoholic fatty liver disease (NAFLD). Hence, reducing adipose tissue lipolysis to diminish the mobilization of FAs and lower their respective plasma concentrations represents a potential treatment strategy to counteract obesity-associated disorders. Here we show that specific inhibition of adipose triglyceride lipase (Atgl) with the chemical inhibitor, Atglistatin, effectively reduces adipose tissue lipolysis, weight gain, IR and NAFLD in mice fed a high-fat diet...
March 22, 2017: Nature Communications
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