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https://www.readbyqxmd.com/read/28187516/collaborating-to-compete-blood-profiling-atlas-in-cancer-bloodpac-consortium
#1
R L Grossman, B Abel, S Angiuoli, J C Barrett, D Bassett, K Bramlett, G M Blumenthal, A Carlsson, R Cortese, J DiGiovanna, B Davis-Dusenbery, R Dittamore, D A Eberhard, P Febbo, M Fitzsimons, Z Flamig, J Godsey, J Goswami, A Gruen, F O Guzman, J Han, D Hayes, J Hicks, D Holloway, D Hovelson, J Johnson, H Juhl, R Kalamegham, R Kamal, Q Kang, G J Kelloff, M Klozenbuecher, A Kolatkar, P Kuhn, K Langone, R Leary, P Loverso, H Manmathan, A-M Martin, J Martini, D Miller, M Mitchell, T Morgan, R Mulpuri, T Nguyen, G Otto, A Pathak, E Peters, R Philip, E Posadas, D Reese, M G Reese, D Robinson, A D Rossi, H Sakul, J Schageman, S Singh, H I Scher, K Schmitt, A Silvestro, J Simmons, T Simmons, J Sislow, A Talasaz, P Tang, M Tewari, S Tomlins, H Toukhy, H R Tseng, M Tuck, A Tzou, J Vinson, Y Wang, W Wells, A Welsh, J Wilbanks, J Wolf, L Young, J S H Lee, L C Leiman
The cancer community understands the value of blood profiling measurements in assessing and monitoring cancer. We describe an effort amongst academic, government, biotechnology, diagnostic, and pharmaceutical companies called the Blood Profiling Atlas in Cancer (BloodPAC) Project. BloodPAC will aggregate, make freely available, and harmonize for further analyses, raw datasets, relevant associated clinical data (e.g. clinical diagnosis, treatment history and outcomes), and sample preparation and handling protocols to accelerate the development of blood profiling assays...
February 10, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28187035/hepatocyte-antigen-expression-in-barrett-esophagus-and-associated-neoplasia
#2
Sejal S Shah, Vishal S Chandan
Hepatocyte antigen or hepatocyte paraffin 1 (Hep Par 1) is widely used as a diagnostic immunomarker for hepatocellular carcinoma. It has also been identified as a rate-limiting enzyme of the urea cycle, carbamoyl phosphate synthetase 1. Hep Par 1 has been detected in non-neoplastic small intestinal epithelium, but its expression in Barrett esophagus and its related neoplasia has not been well investigated. We immunohistochemically evaluated expression of Hep Par 1 on 75 cases of Barrett esophagus (25 cases without dysplasia, 16 cases with low-grade dysplasia, 25 cases with high-grade dysplasia, and 9 cases with intramucosal adenocarcinoma) on endoscopic biopsies and endoscopic mucosal resections...
February 9, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28167119/endoscopic-optical-coherence-tomography-angiography-microvascular-features-associated-with-dysplasia-in-barrett-s-esophagus-a-pilot-study-with-video
#3
Hsiang-Chieh Lee, Osman O Ahsen, Kaicheng Liang, Zhao Wang, Marisa Figueiredo, Michael G Giacomelli, Benjamin Potsaid, Qin Huang, Hiroshi Mashimo, James G Fujimoto
BACKGROUND AND AIMS: Angiogenesis is associated with neoplastic progression of Barrett's esophagus (BE). Volumetric optical coherence tomography angiography (OCTA) visualizes subsurface microvasculature without exogenous contrast agents. We investigated the association of OCTA microvascular features with low-grade dysplasia (LGD) and high-grade dysplasia (HGD). METHODS: Fifty-two patients undergoing BE surveillance or endoscopic eradication therapies for dysplasia were imaged using volumetric OCTA and corresponding histological diagnoses obtained, to yield 97 data sets (non-dysplastic BE (NDBE): N=74; LGD: N=10; HGD: N=13)...
February 3, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28152423/metabolomic-evidence-for-a-field-effect-in-histologically-normal-and-metaplastic-tissues-in-patients-with-esophageal-adenocarcinoma
#4
Michelle A C Reed, Rishi Singhal, Christian Ludwig, John B Carrigan, Douglas G Ward, Phillipe Taniere, Derek Alderson, Ulrich L Günther
Patients with Barrett's esophagus (BO) are at increased risk of developing esophageal adenocarcinoma (EAC). Most Barrett's patients, however, do not develop EAC, and there is a need for markers that can identify those most at risk. This study aimed to see if a metabolic signature associated with the development of EAC existed. For this, tissue extracts from patients with EAC, BO, and normal esophagus were analyzed using (1)H nuclear magnetic resonance. Where possible, adjacent histologically normal tissues were sampled in those with EAC and BO...
January 30, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28144844/surveillance-in-patients-with-esophageal-atresia-tracheoesophageal-fistula
#5
REVIEW
Arunjot Singh, William Middlesworth, Julie Khlevner
PURPOSE OF REVIEW: Esophageal atresia/tracheoesophageal fistula (EA/TEF) is a congenital aerodigestive anomaly with high survival rates after surgical repair. Care should now be focused on prevention of long-term complications using appropriate surveillance techniques. RECENT FINDINGS: The incidence of gastroesophageal reflux disease (GERD) is high in patients with EA/TEF. Consequences of untreated GERD include esophagitis, strictures, and Barrett esophagus. Subjective symptoms are an unreliable indicator of presence or severity of GERD, and therefore, diagnostic testing is needed to assess esophageal heath and monitor the effectiveness of anti-reflux treatment...
January 2017: Current Gastroenterology Reports
https://www.readbyqxmd.com/read/28139394/serious-fall-injuries-before-and-after-initiation-of-hemodialysis-among-older-esrd-patients-in-the-united-states-a-retrospective-cohort-study
#6
Laura C Plantinga, Rachel E Patzer, Harold A Franch, C Barrett Bowling
BACKGROUND: Because initiation of dialysis therapy often occurs in the setting of acute illness and may signal worsening health and functional decline, we examined whether rates of serious fall injuries among older hemodialysis patients differ before and after dialysis therapy initiation. STUDY DESIGN: Retrospective cohort study of claims data from the 2 years spanning dialysis therapy initiation among patients initiating dialysis therapy in 2010 to 2012. SETTING & PARTICIPANTS: Claims from 81,653 Medicare end-stage renal disease beneficiaries aged 67 to 100 years...
January 27, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28096521/decreased-esophageal-sensitivity-to-acid-in-morbidly-obese-patients-a-cause-for-concern
#7
Vicente Ortiz, Diego Alvarez-Sotomayor, Esteban Sáez-González, Francia Carolina Díaz-Jaime, Marisa Iborra, Julio Ponce, Vicente Garrigues
Background/Aims: To evaluate esophageal sensitivity to acid between morbidly obese (MO) patients and non-MO controls with abnormal esophageal acid exposure. Methods: We conducted a cross-sectional study of 58 patients: 30 MO (cases) and 28 non-MO (controls). Esophageal symptoms and esophageal sensitivity to 0.1 M hydrochloric acid solution (Bernstein test) were compared between MO and non-MO patients with a prior diagnosis of abnormal esophageal acid exposure. Results: MO patients were less symptomatic than non-MO controls (14% vs 96%; odds ratio [OR], 0...
January 20, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28053055/cancer-incidence-and-mortality-risks-in-a-large-us-barrett-s-oesophagus-cohort
#8
Michael B Cook, Sally B Coburn, Jameson R Lam, Philip R Taylor, Jennifer L Schneider, Douglas A Corley
OBJECTIVE: Barrett's oesophagus (BE) increases the risk of oesophageal adenocarcinoma by 10-55 times that of the general population, but no community-based cancer-specific incidence and cause-specific mortality risk estimates exist for large cohorts in the USA. DESIGN: Within Kaiser Permanente Northern California (KPNC), we identified patients with BE diagnosed during 1995-2012. KPNC cancer registry and mortality files were used to estimate standardised incidence ratios (SIR), standardised mortality ratios (SMR) and excess absolute risks...
January 4, 2017: Gut
https://www.readbyqxmd.com/read/28026198/the-importance-of-a-second-opinion-in-the-diagnosis-of-barrett-s-esophagus-a-real-life-study
#9
Vincenzo Villanacci, Marianna Salemme, Italo Stroppa, Valerio Balassone, Gabrio Bassotti
BACKGROUND: Barrett's esophagus is a precancerous lesion, and its identification with the early detection of dysplasia is of paramount importance to prevent adenocarcinoma onset. However, there is still debate on the correct pathological identification of Barrett's esophagus (and of associated dysplasia), and most studies have been conducted in an experimental setting. AIMS: To assess previous uncertain diagnoses of Barrett's (with and without dysplasia) via a second opinion of an expert pathologist in a real life setting...
December 27, 2016: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/27997540/il-7-receptor-mutations-and-steroid-resistance-in-pediatric-t-cell-acute-lymphoblastic-leukemia-a-genome-sequencing-study
#10
Yunlei Li, Jessica G C A M Buijs-Gladdines, Kirsten Canté-Barrett, Andrew P Stubbs, Eric M Vroegindeweij, Willem K Smits, Ronald van Marion, Winand N M Dinjens, Martin Horstmann, Roland P Kuiper, Rogier C Buijsman, Guido J R Zaman, Peter J van der Spek, Rob Pieters, Jules P P Meijerink
BACKGROUND: Pediatric acute lymphoblastic leukemia (ALL) is the most common childhood cancer and the leading cause of cancer-related mortality in children. T cell ALL (T-ALL) represents about 15% of pediatric ALL cases and is considered a high-risk disease. T-ALL is often associated with resistance to treatment, including steroids, which are currently the cornerstone for treating ALL; moreover, initial steroid response strongly predicts survival and cure. However, the cellular mechanisms underlying steroid resistance in T-ALL patients are poorly understood...
December 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27936225/evaluation-of-antigens-for-development-of-a-serological-test-for-human-african-trypanosomiasis
#11
Sylvain Biéler, Harald Waltenberger, Michael P Barrett, Richard McCulloch, Jeremy C Mottram, Mark Carrington, Wilhelm Schwaeble, James McKerrow, Margaret A Phillips, Paul A Michels, Philippe Büscher, Jean-Charles Sanchez, Richard Bishop, Derrick R Robinson, James Bangs, Michael Ferguson, Barbara Nerima, Audrey Albertini, Gerd Michel, Magdalena Radwandska, Joseph Mathu Ndung'u
BACKGROUND: Control and elimination of human African trypanosomiasis (HAT) can be accelerated through the use of diagnostic tests that are more accurate and easier to deploy. The goal of this work was to evaluate the immuno-reactivity of antigens and identify candidates to be considered for development of a simple serological test for the detection of Trypanosoma brucei gambiense or T. b. rhodesiense infections, ideally both. METHODOLOGY/PRINCIPAL FINDINGS: The reactivity of 35 antigens was independently evaluated by slot blot and ELISA against sera from both T...
2016: PloS One
https://www.readbyqxmd.com/read/27931632/complications-of-therapeutic-gastroscopy-colonoscopy-other-than-resection
#12
REVIEW
Zaheer Nabi
Gastrointestinal (GI) endoscopy is profoundly utilized for diagnostic and therapeutic purposes. The therapeutic potential of GI endoscopy has amplified many folds with the evolution of novel techniques as well as equipments. However, with the augmentation of therapeutic endoscopy, the extent, likelihood and severity of adverse events have increased as well. The attendant risks and adverse events with therapeutic endoscopy are many folds that of diagnostic endoscopy. Besides endoscopic resection, therapeutic endoscopy is widely utilized for hemostasis in GI bleeds, dilatation of stenosis, enteral stenting, foreign body removal, ablation of Barrett's esophagus etc...
October 2016: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/27917409/gadolinium-functionalized-peptide-amphiphile-micelles-for-multimodal-imaging-of-atherosclerotic-lesions
#13
Sang Pil Yoo, Federico Pineda, John C Barrett, Christopher Poon, Matthew Tirrell, Eun Ji Chung
The leading causes of morbidity and mortality globally are cardiovascular diseases, and nanomedicine can provide many improvements including disease-specific targeting, early detection, and local delivery of diagnostic agents. To this end, we designed fibrin-binding, peptide amphiphile micelles (PAMs), achieved by incorporating the targeting peptide cysteine-arginine-glutamic acid-lysine-alanine (CREKA), with two types of amphiphilic molecules containing the gadoliniuim (Gd) chelator diethylenetriaminepentaacetic acid (DTPA), DTPA-bis(stearylamide)(Gd), and 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[(poly(ethylene glycol) (PEG))-2000]-DTPA(Gd) (DSPE-PEG2000-DTPA(Gd))...
November 30, 2016: ACS Omega
https://www.readbyqxmd.com/read/27914903/cognitive-behavioural-therapy-and-short-term-psychoanalytical-psychotherapy-versus-a-brief-psychosocial-intervention-in-adolescents-with-unipolar-major-depressive-disorder-impact-a-multicentre-pragmatic-observer-blind-randomised-controlled-superiority-trial
#14
Ian M Goodyer, Shirley Reynolds, Barbara Barrett, Sarah Byford, Bernadka Dubicka, Jonathan Hill, Fiona Holland, Raphael Kelvin, Nick Midgley, Chris Roberts, Rob Senior, Mary Target, Barry Widmer, Paul Wilkinson, Peter Fonagy
BACKGROUND: Psychological treatments for adolescents with unipolar major depressive disorder are associated with diagnostic remission within 28 weeks in 65-70% of patients. We aimed to assess the medium-term effects and costs of psychological therapies on maintenance of reduced depression symptoms 12 months after treatment. METHODS: We did this multicentre, pragmatic, observer-blind, randomised controlled superiority trial (IMPACT) at 15 National Health Service child and adolescent mental health service (CAMHS) clinics in three regions in England...
February 2017: Lancet Psychiatry
https://www.readbyqxmd.com/read/27825362/the-rudy-study-platform-a-novel-approach-to-patient-driven-research-in-rare-musculoskeletal-diseases
#15
M K Javaid, L Forestier-Zhang, L Watts, A Turner, C Ponte, H Teare, D Gray, N Gray, R Popert, J Hogg, J Barrett, R Pinedo-Villanueva, C Cooper, R Eastell, N Bishop, R Luqmani, P Wordsworth, J Kaye
BACKGROUND: Research into rare diseases is becoming more common, with recognition of the significant diagnostic and therapeutic care gaps. Registries are considered a key research methodology to address rare diseases. This report describes the structure of the Rare UK Diseases Study (RUDY) platform that aims to improve research processes and address many of the challenges of carrying out rare musculoskeletal disease research. RUDY is an internet-based platform with online registration, initial verbal consent, online capture of patient reported outcome measures and events within a dynamic consent framework...
November 8, 2016: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/27818167/discordance-among-pathologists-in-the-united-states-and-europe-in-diagnosis-of-low-grade-dysplasia-for-patients-with-barrett-s-esophagus
#16
Prashanth Vennalaganti, Vijay Kanakadandi, John R Goldblum, Sharad C Mathur, Deepa T Patil, G Johan Offerhaus, Sybren L Meijer, Michael Vieth, Robert D Odze, Saligram Shreyas, Sravanthi Parasa, Neil Gupta, Alessandro Repici, Ajay Bansal, Titi Mohammad, Prateek Sharma
BACKGROUND & AIMS: There is suboptimal inter-observer agreement, even among expert gastrointestinal pathologists, in the diagnosis of low-grade dysplasia (LGD) in patients with Barrett's esophagus (BE). We analyzed histopathologic criteria required for a diagnosis of LGD using the new subcategories of LGD with inflammatory and dysplastic features. We categorized each diagnosis based on the level of confidence and assessed inter-observer agreement among gastrointestinal pathologists from 5 tertiary centers in the United States and Europe...
November 3, 2016: Gastroenterology
https://www.readbyqxmd.com/read/27800298/lesion-targeted-ct-guided-transgluteal-prostate-biopsy-in-combination-with-prebiopsy-mri-in-patients-without-rectal-access
#17
Iztok Caglic, S Breznik, J Matela, T Barrett
With prostate and colorectal malignancies being the most common cancers in men, elevated prostate specific antigen (PSA) in patients without rectal access due to prior surgery poses a diagnostic dilemma. We report the first use of CT-guided biopsy in combination with prebiopsy MRI in 2 patients with a clinical suspicion of prostate cancer and no rectal access. In both cases, a diagnostic multiparametric MRI of the prostate was performed to detect and to localize a potential suspicious lesion. The localization served as a cognitive map for guiding needle placement using a CT-guided transgluteal approach...
January 2017: Urology Case Reports
https://www.readbyqxmd.com/read/27773805/pathophysiology-evaluation-and-management-of-chronic-watery-diarrhea
#18
REVIEW
Michael Camilleri, Joseph H Sellin, Kim E Barrett
Chronic watery diarrhea poses a diagnostic and therapeutic challenge and is often a disabling condition for patients. Although acute diarrhea is likely to be caused by infection, the causes of chronic diarrhea (>4 weeks in duration) are more elusive. We review the pathophysiology, diagnosis, and treatment of chronic diarrhea. Drawing on recent insights into the molecular mechanisms of intestinal epithelial transport and barrier function, we discuss how diarrhea can result from a decrease in luminal solute absorption, an increase in secretion, or both, as well as derangements in barrier properties...
February 2017: Gastroenterology
https://www.readbyqxmd.com/read/27773591/diagnostic-and-prognostic-significance-of-systemic-alkyl-quinolones-for-p-aeruginosa-in-cystic-fibrosis-a-longitudinal-study
#19
Helen L Barr, Nigel Halliday, David A Barrett, Paul Williams, Douglas L Forrester, Daniel Peckham, Kate Williams, Alan R Smyth, David Honeybourne, Joanna L Whitehouse, Edward F Nash, Jane Dewar, Andrew Clayton, Alan J Knox, Miguel Cámara, Andrew W Fogarty
BACKGROUND: Pulmonary P. aeruginosa infection is associated with poor outcomes in cystic fibrosis (CF) and early diagnosis is challenging, particularly in those who are unable to expectorate sputum. Specific P. aeruginosa 2-alkyl-4-quinolones are detectable in the sputum, plasma and urine of adults with CF, suggesting that they have potential as biomarkers for P. aeruginosa infection. AIM: To investigate systemic 2-alkyl-4-quinolones as potential biomarkers for pulmonary P...
October 20, 2016: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/27733908/oesophageal-biopsies-are-insufficient-to-predict-final-histology-after-endoscopic-resection-in-early-barrett-s-neoplasia
#20
E Werbrouck, G De Hertogh, X Sagaert, G Coremans, H Willekens, I Demedts, R Bisschops
BACKGROUND: Endoscopic resection (ER) with or without ablation is the first choice treatment for early Barrett's neoplasia. Adequate staging is important to assure a good oncological outcome. OBJECTIVE: The purpose of this study was to investigate the diagnostic accuracy of pre-operative biopsies in patients who undergo ER for high-grade dysplasia (HGD) or early adenocarcinoma (EAC) in Barrett's oesophagus (BE) and the cardia. METHODS: Between November 2005-May 2012, 142 ERs performed in 137 patients were obtained...
October 2016: United European Gastroenterology Journal
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