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https://www.readbyqxmd.com/read/28646562/argininosuccinate-synthase-1-ass1-a-marker-of-unclassified-hepatocellular-adenoma-and-high-bleeding-risk
#1
Elodie Henriet, Aya Abou Hammoud, Jean-William Dupuy, Benjamin Dartigues, Zakaria Ezzoukry, Nathalie Dugot-Senant, Thierry Leste-Lasserre, Nestor Pallares-Lupon, Macha Nikolski, Brigitte Le Bail, Jean-Frédéric Blanc, Charles Balabaud, Paulette Bioulac-Sage, Anne-Aurélie Raymond, Frédéric Saltel
Hepatocellular adenomas (HCA) are rare benign tumors divided into three main subgroups defined by patho-molecular features, HNF1A (H-HCA), mutated β-catenin (b-HCA) and inflammatory (IHCA). In the case of unclassified HCA (UHCA), which are currently identified by default, a high risk of bleeding remains a clinical issue. The objective of this study was to explore UHCA proteome with the aim to identify specific biomarkers. Following dissection of the tumoral (T) and non-tumoral (NT) tissue on formalin-fixed paraffin-embedded (FFPE) from HCA tissue sections using laser capture methodology, we performed mass spectrometry analysis to compare T and NT protein expression levels in HCA, H-HCA, IHCA, b-HCA, UHCA and focal nodular hyperplasia...
June 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28641228/relationships-between-past-and-present-pesticide-applications-and-pollution-at-a-watershed-outlet-the-case-of-a-horticultural-catchment-in-martinique-french-west-indies
#2
Charles Mottes, Magalie Lesueur Jannoyer, Marianne Le Bail, Mathilde Guéné, Céline Carles, Eric Malézieux
The understanding of factors affecting pesticide transfers to catchment outlet is still at a very early stage in tropical context, and especially on tropical volcanic context. We performed on-farm pesticide use surveys during 87 weeks and monitored pesticides in water weekly during 67 weeks at the outlet of a small catchment in Martinique. We identified three types of pollution. First, we showed long-term chronic pollution by chlordecone, diuron and metolachlor resulting from horticultural practices applied 5-20 years ago (quantification frequency higher than 80%)...
June 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28632690/noninvasive-nuclear-spect-myocardial-blood-flow-quantitation-to-guide-management-for-coronary-artery-disease
#3
Lung-Ching Chen, Bor-Hsin Jong, Sheng-Che Lin, Chi-Tai Ku, Ing-Jou Chen, Yen-Kung Chen, Bailing Hsu
Recently, myocardial blood flow quantitation with dynamic SPECT has been validated to enhance the detection of multivessel coronary artery disease (CAD) and conclude equivocal SPECT myocardial perfusion study. This advance opened an important clinical application to utilize the tool in guiding CAD management for area where myocardial perfusion tracers for PET are unavailable or unaffordable. We present a clinical patient with ongoing recursive angina who underwent multiple nuclear stress tests for a sequence of CAD evaluation in 26 months and demonstrated that SPECT myocardial blood flow quantitation properly guided CAD management to warrant patient outcome...
June 19, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28625964/antegrade-dissection-and-reentry-as-part-of-the-hybrid-chronic-total-occlusion-revascularization-strategy-a-subanalysis-of-the-recharge-registry-registry-of-crossboss-and-hybrid-procedures-in-france-the-netherlands-belgium-and-united-kingdom
#4
Joren Maeremans, Jo Dens, James C Spratt, Alan J Bagnall, Wynand Stuijfzand, Alexander Nap, Pierfrancesco Agostoni, William Wilson, Colm G Hanratty, Simon Wilson, Benjamin Faurie, Alexandre Avran, Erwan Bressollette, Mohaned Egred, Paul Knaapen, Simon Walsh
BACKGROUND: Development of the CrossBoss and Stingray devices for antegrade dissection and reentry (ADR) of chronic total occlusions has improved historically suboptimal outcomes. However, the outcomes, safety, and failure modes of the technique have to be studied in a larger patient cohort. This preplanned substudy of the RECHARGE registry (Registry of CrossBoss and Hybrid Procedures in France, the Netherlands, Belgium and United Kingdom) aims to evaluate the value and use of ADR and determine its future position in contemporary chronic total occlusion intervention...
June 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28622906/discovery-of-novel-quinazoline-2-4-1h-3h-dione-derivatives-as-potent-parp-2-selective-inhibitors
#5
Hailong Zhao, Ming Ji, Guonan Cui, Jie Zhou, Fangfang Lai, Xiaoguang Chen, Bailing Xu
The PARP-2 selective inhibitor is important for clarifying specific roles of PARP-2 in the pathophysiological process and developing desired drugs with reduced off-target side effects. In this work, a series of novel quinazoline-2,4(1H,3H)-dione derivatives was designed and synthesized to explore isoform selective PARP inhibitors. As a result, compound 11a (PARP-1 IC50=467nM, PARP-2 IC50=11.5nM, selectivity PARP-1/PARP-2=40.6) was disclosed as the most selective PARP-2 inhibitor with high potency to date. The binding features of compound 11a within PARP-1 and PARP-2 were investigated respectively to provide useful insights for the further construction of new isoform selective inhibitors of PARP-1 and PARP-2 by using CDOCKER program...
May 26, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28620197/interleukin-28b-dampens-airway-inflammation-through-up-regulation-of-natural-killer-cell-derived-ifn-%C3%AE
#6
Bailing Yan, Feng Chen, Lijun Xu, Yanshi Wang, Xuefu Wang
Interleukin-28A (IL-28A) modulates CD11c+ dendritic cell (DC) function and promotes type 1T helper (Th1) differentiation, thus suppressing allergic airway diseases. However, the function of the IL-28A isoform IL-28B in these diseases remains largely unknown. In this study, we revealed a novel role of IL-28B in inducing type 1 immunity and protecting against ovalbumin (OVA)-induced allergic asthma in mice. IL-28B overexpression in wild-type mice promoted natural killer (NK) cell polarization in the lung, leading to the increased number of interferon (IFN)-γ-producing NK1 cells as well as Th1 differentiation...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28611222/all-angle-negative-refraction-of-highly-squeezed-plasmon-and-phonon-polaritons-in-graphene-boron-nitride-heterostructures
#7
Xiao Lin, Yi Yang, Nicholas Rivera, Josué J López, Yichen Shen, Ido Kaminer, Hongsheng Chen, Baile Zhang, John D Joannopoulos, Marin Soljačić
A fundamental building block for nanophotonics is the ability to achieve negative refraction of polaritons, because this could enable the demonstration of many unique nanoscale applications such as deep-subwavelength imaging, superlens, and novel guiding. However, to achieve negative refraction of highly squeezed polaritons, such as plasmon polaritons in graphene and phonon polaritons in boron nitride (BN) with their wavelengths squeezed by a factor over 100, requires the ability to flip the sign of their group velocity at will, which is challenging...
June 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28601395/manipulating-environmental-stresses-and-stress-tolerance-of-microalgae-for-enhanced-production-of-lipids-and-value-added-products-a-review
#8
REVIEW
Bailing Chen, Chun Wan, Muhammad Aamer Mehmood, Jo-Shu Chang, Fengwu Bai, Xinqing Zhao
Microalgae have promising potential to produce lipids and a variety of high-value chemicals. Suitable stress conditions such as nitrogen starvation and high salinity could stimulate synthesis and accumulation of lipids and high-value products by microalgae, therefore, various stress-modification strategies were developed to manipulate and optimize cultivation processes to enhance bioproduction efficiency. On the other hand, advancements in omics-based technologies have boosted the research to globally understand microalgal gene regulation under stress conditions, which enable further improvement of production efficiency via genetic engineering...
May 31, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28590797/using-the-electronic-medical-record-to-study-the-association-of-child-and-environmental-characteristics-on-the-type-of-physical-therapy-services-delivered-to-individuals-with-cerebral-palsy
#9
Amy F Bailes, Mary Gannotti, Matthew Fenchel
OBJECTIVE: The purpose of this study was to characterize the intervention type delivered to individuals with cerebral palsy (CP) in a pediatric outpatient medical setting and to identify factors associated with the total amount of service within each type. SUBJECTS: Four hundred and twenty-five individuals with CP (1-33 years) Gross Motor Function Classification System (GMFCS): Level I (n = 152); II (n = 63); III (n = 55); IV (n = 80); and V (n = 75). METHODS: Billing code data was extracted retrospectively from 2008 medical records and categorized to reflect four types: body structures and function (BSF), activity (ACT), environment (ENV), and examination (EXAM)...
June 7, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28588854/a-tetra-axial-system-in-transfemoral-lead-extraction
#10
Tsuyoshi Isawa, Takashi Yamada, Taku Honda, Kazuhiro Yamaya, Tatsushi Ootomo
Pacemaker lead extractors must become familiar with transfemoral approaches for lead extraction as a bail-out procedure for a failed superior approach. We presented a "tetra-axial" system for transfemoral lead extraction. This system would be more widely applicable in cases with difficulties in extraction, resulting in more procedural success.
June 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28582881/participation-and-community-based-walking-activity-after-neuroprosthesis-use-in-children-with-hemiplegic-cerebral-palsy-a-pilot-study1
#11
Amy F Bailes, Cailee Caldwell, Mike Clay, Melissa Tremper, Kari Dunning, Jason Long
PURPOSE: To explore the effects of neuroprosthesis use on participation, level of community-based walking activity, safety and satisfaction in children with hemiplegic CP. METHODS: Eleven children (mean 9 years 11 months) with hemiplegic CP Gross Motor Function Classification System (GMFCS) Level I and II participated in a 16-week intervention using the Ness L300 neuroprosthesis. Outcome measures included satisfaction and performance with self-selected participation goals (Canadian Occupational Performance Measure (COPM)), level of community-based walking activity (Step Watch Activity Monitor (SAM)), trip and fall frequency (caregiver report) and a satisfaction questionnaire...
May 17, 2017: Journal of Pediatric Rehabilitation Medicine
https://www.readbyqxmd.com/read/28571187/study-of-short-and-intermediate-term-clinical-outcomes-of-patients-with-protected-and-unprotected-lmca-stenting
#12
Pooja M Vyas, Jayesh S Prajapati, Sibasis S Sahoo, Iva Vipul Patel, Jagjeet K Deshmukh, Chirag Patel, Roopesh Singhal
INTRODUCTION: Significant unprotected Left Main Coronary Artery (LMCA) disease is detected in 5%-7% of cases undergoing Coronary Angiography (CAG). Present guidelines have revealed the significance of anatomical location in left main artery stenosis and syntax scores for determination of Major Adverse Cardiac Events (MACE). Debate still persists over the best treatment regarding outcomes of Coronary Artery Bypass Grafting (CABG) and LMCA stenting for patients with LMCA disease. AIM: Aim of the study was to evaluate short and intermediate term clinical outcomes of Percutaneous Coronary Intervention (PCI) in LMCA disease in respect to mortality, Cerebrovascular Accidents (CVA), reinfarction, stent restenosis and need for repeat target lesion revascularization...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28559425/fgf21-ameliorates-diabetic-cardiomyopathy-by-activating-the-ampk-paraoxonase-1-signaling-axis-in-mice
#13
Fan Wu, Baile Wang, Saisai Zhang, Lihua Shi, Yanfang Wang, Rongrong Xiong, Xuebo Pan, Fanghua Gong, Xiaokun Li, Zhuofeng Lin
Aims: The aim in present study is to explore the molecular mechanism of FGF21 against diabetic cardiomyopathy. Materials and methods: FGF21 deficient mice and wild type littermates were used to induce diabetic mice by treatment with streptozotocin/high-fat diet (STZ/HFD), and then evaluated the difference of diabetic cardiomyopathy between two types of mice. Otherwise, primary cultured cardiomyocytes were also used to explore the potential molecular mechanism of FGF21 against high glucose-induced cardiomyocyte injuries...
May 30, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28553902/how-situational-diagnosis-helps-disentangle-ethical-and-psychological-features-of-complex-cases
#14
Jerry Joseph Ignatius, Walter Baile
We review Marguerite S. Lederberg's 1999 Acta Oncologica article entitled "Disentangling Ethical and Psychological Issues: A Guide for Oncologists," in which she introduces a method of analysis that facilitates clarification of ethical and psychological aspects of complex cases. Based on her understanding of the dynamics at play in patients', family members', and physicians' experiences, Lederberg formulated what she calls "situational diagnosis," a guide on how to distinguish ethical from psychological issues at the bedside or when an ethics consultation is requested...
May 1, 2017: AMA Journal of Ethics
https://www.readbyqxmd.com/read/28548625/acute-procedural-outcomes-of-orbital-atherectomy-for-the-treatment-of-common-femoral-artery-disease-sub-analysis-of-the-confirm-registries
#15
Michael S Lee, Daniel Heikali, Jihad Mustapha, George Adams, Ehtisham Mahmud
This analysis compared the angiographic outcomes of patients treated with orbital atherectomy for calcified common femoral artery (CFA) and superficial femoral artery (SFA) disease. The ideal revascularization strategy for CFA disease is unknown. Endarterectomy has been considered the standard of care for CFA disease for over 50 years. Endovascular intervention is becoming more commonly used to revascularize the CFA given the advances in technology and the less invasive nature of the procedure. Patient demographics, lesion characteristics, and procedure data for all CONFIRM patients with at least one CFA lesion location ( n=147 patients; n=200 lesions) were compared to patients with at least one SFA lesion location ( n=1508 patients; n=2367 lesions)...
May 1, 2017: Vascular Medicine
https://www.readbyqxmd.com/read/28548530/strain-induced-gauge-field-and-landau-levels-in-acoustic-structures
#16
Zhaoju Yang, Fei Gao, Yahui Yang, Baile Zhang
The emerging field of topological acoustics that explores novel gauge-field-related phenomena for sound has drawn attention in recent years. However, previous approaches constructing a synthetic gauge field for sound predominantly relied on a periodic system, being unable to form a uniform effective magnetic field, thus lacking access to some typical magnetic-induced quantum phenomena such as Landau energy quantization. Here we introduce strain engineering, previously developed in graphene electronics and later transferred to photonics, into a two-dimensional acoustic structure in order to form a uniform effective magnetic field for airborne acoustic wave propagation...
May 12, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28526046/balloon-versus-stenting-in-severe-ischaemia-of-the-leg-3-basil-3-study-protocol-for-a-randomised-controlled-trial
#17
Benjamin D Hunt, Matthew A Popplewell, Huw Davies, Lewis Meecham, Hugh Jarrett, Gareth Bate, Margaret Grant, Smitaa Patel, Catherine Hewitt, Lazaros Andronis, Jonathan J Deeks, Andrew Bradbury
BACKGROUND: Severe limb ischaemia (SLI) is defined as the presence of rest pain and/or tissue loss secondary to lower extremity atherosclerotic peripheral arterial disease. The superficial femoral and popliteal arteries are the most commonly diseased vessels in such patients and are being increasingly treated using endovascular revascularisation techniques. However, it is currently unknown whether drug-eluting stents and drug-coated balloons confer additional clinical benefits over more established techniques using plain balloons and bare metal stents, or whether they represent a cost-effective use of NHS resources...
May 19, 2017: Trials
https://www.readbyqxmd.com/read/28515346/the-novel-complex-combination-of-alum-cpg-odn-and-hh2-as-adjuvant-in-cancer-vaccine-effectively-suppresses-tumor-growth-in-vivo
#18
Yaomei Tian, Meng Li, Chaoheng Yu, Rui Zhang, Xueyan Zhang, Rong Huang, Lian Lu, Fengjiao Yuan, Yingzi Fan, Bailing Zhou, Ke Men, Heng Xu, Li Yang
Single-component adjuvant is prone to eliciting a specific type of Th1 or Th2 response. So, the development of combinatorial adjuvants inducing a robust mixed Th1/Th2 response is a promising vaccination strategy against cancer. Here, we describe a novel combination of aluminum salts (alum), CpG oligodeoxynucleotide (CpG) and innate defense regulator peptide HH2 for improving anti-tumor immune responses. The CpG-HH2 complex significantly enhanced the production of IFN-γ, TNF-α and IL-1β, promoted the uptake of antigen and strengthened the activation of p38, Erk1/2 and NF-κB in vitro, compared to CpG or HH2 alone...
April 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28508393/reversed-single-string-technique-for-coronary-bifurcation-stenting-first-report-of-case-demonstrations-in-vitro
#19
Julien Adjedj, Gabor G Toth, Mariano Pellicano, William Wijns
OBJECTIVES: This work reports the concept and the practical feasibility of Reversed Single String bifurcation stenting technique by demonstrating three in vitro cases. BACKGROUND: Provisional T stenting is the most used interventional technique to treat coronary bifurcation lesions. However, after main branch (MB) stenting, treatment of the side branch (SB) may become indicated to provide a good final result. Currently applied methods all have their structural limitations with respect to wall coverage, multiple strut layers, poor apposition rate...
May 16, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28506907/validity-criteria-for-the-diagnosis-of-fatty-liver-by-m-probe-based-controlled-attenuation-parameter
#20
Vincent Wai-Sun Wong, Salvatore Petta, Jean-Baptiste Hiriart, Calogero Cammà, Grace Lai-Hung Wong, Fabio Marra, Julien Vergniol, Anthony Wing-Hung Chan, Antonino Tuttolomondo, Wassil Merrouche, Henry Lik-Yuen Chan, Brigitte Le Bail, Umberto Arena, Antonio Craxì, Victor de Lédinghen
BACKGROUND & AIMS: Controlled attenuation parameter (CAP) can be performed together with liver stiffness measurement (LSM) by transient elastography (TE) and is often used to diagnose fatty liver. We aimed to define the validity criteria of CAP. METHODS: CAP was measured by the M probe prior to liver biopsy in 754 consecutive patients with different liver diseases at three centers in Europe and Hong Kong (derivation cohort, n=340; validation cohort, n=414; 101 chronic hepatitis B, 154 chronic hepatitis C, 349 non-alcoholic fatty liver disease, 37 autoimmune hepatitis, 49 cholestatic liver disease, 64 others; 277 F3-4; age 52±14; body mass index 27...
May 12, 2017: Journal of Hepatology
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