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https://www.readbyqxmd.com/read/28544514/dynamic-enhancer-function-in-the-chromatin-context
#1
REVIEW
Ido Goldstein, Gordon L Hager
Enhancers serve as critical regulatory elements in higher eukaryotic cells. The characterization of enhancer function has evolved primarily from genome-wide methodologies, including chromatin immunoprecipitation (ChIP-seq), DNase-I hypersensitivity (DNase-seq), digital genomic footprinting (DGF), and the chromosome conformation capture techniques (3C, 4C, and Hi-C). These population-based assays average signals across millions of cells and lead to enhancer models characterized by static and sequential binding...
May 22, 2017: Wiley Interdisciplinary Reviews. Systems Biology and Medicine
https://www.readbyqxmd.com/read/28534267/simulation-of-the-hydraulic-performance-of-highway-filter-drains-through-laboratory-models-and-stormwater-management-tools
#2
Luis A Sañudo-Fontaneda, Daniel Jato-Espino, Craig Lashford, Stephen J Coupe
Road drainage is one of the most relevant assets in transport infrastructure due to its inherent influence on traffic management and road safety. Highway filter drains (HFDs), also known as "French Drains", are the main drainage system currently in use in the UK, throughout 7000 km of its strategic road network. Despite being a widespread technique across the whole country, little research has been completed on their design considerations and their subsequent impact on their hydraulic performance, representing a gap in the field...
May 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28529399/modeling-high-school-timetabling-with-bitvectors
#3
Emir Demirović, Nysret Musliu
High school timetabling (HSTT) is a well known and wide spread problem. The problem consists of coordinating resources (e.g. teachers, rooms), times, and events (e.g. lectures) with respect to various constraints. Unfortunately, HSTT is hard to solve and just finding a feasible solution for simple variants of HSTT has been proven to be NP-complete. We propose a new modeling approach for HSTT using bitvectors in which constraint costs of the general HSTT can be calculated using bit operations. This model allows efficient computation of constraint costs making it useful when implementing HSTT algorithms...
2017: Annals of Operations Research
https://www.readbyqxmd.com/read/28521180/predictive-factors-for-reporting-adverse-events-following-spinal-manipulation-in-randomized-clinical-trials-secondary-analysis-of-a-systematic-review
#4
REVIEW
Lindsay M Gorrell, Benjamin Brown, Reidar P Lystad, Roger M Engel
While spinal manipulative therapy (SMT) is recommended for the treatment of spinal disorders, concerns exist about adverse events associated with the intervention. Adequate reporting of adverse events in clinical trials would allow for more accurate estimations of incidence statistics through meta-analysis. However, it is not currently known if there are factors influencing adverse events reporting following SMT in randomized clinical trials (RCTs). Thus our objective was to investigate predictive factors for the reporting of adverse events in published RCTs involving SMT...
May 11, 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28505161/effect-on-healthcare-utilization-and-costs-of-spinal-manual-therapy-for-acute-low-back-pain-in-routine-care-a-propensity-score-matched-cohort-study
#5
Jochen Walker, Ulf Kai Mertens, Carsten Oliver Schmidt, Jean-François Chenot
Spinal manual therapy (SMT) is a popular treatment option for low back pain (LBP). The aim of our analysis was to evaluate the effects of manual therapy delivered by general practitioners and ambulatory orthopedic surgeons in routine care on follow up consultations, sick leave, health service utilization and costs for acute LBP compared to matched patients not receiving manual therapy. This is a propensity score matched cohort study based on health claims data. We identified a total of 113.652 adult patients with acute LBP and no coded red flags of whom 21...
2017: PloS One
https://www.readbyqxmd.com/read/28501782/combination-of-the-electro-fe-3-peroxydisulfate-pds-process-with-activated-sludge-culture-for-the-degradation-of-sulfamethazine
#6
Amina Ledjeri, Idris Yahiaoui, Hakima Kadji, Farida Aissani-Benissad, Abdeltif Amrane, Florence Fourcade
In this paper, the major factors affecting the degradation and the mineralization of sulfamethazine by Electro/Fe(3+)/peroxydisulfate (PDS) process (e.g. current density, PDS concentration, Fe(3+) ions concentration and initial sulfamethazine (SMT) concentration) were evaluated. The relevance of this process as a pretreatment prior to activated sludge culture was also examined. Regarding the impact on SMT degradation and mineralization, the obtained results showed that they were significantly enhanced by increasing the current density and the PDS concentrations in the ranges 1-40mAcm(-2) and from 1 to 10mM respectively; while they were negatively impacted by an increase of the initial SMT concentration and the Fe(3+) concentration, from 0...
May 1, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28469356/submucosal-tunneling-endoscopic-resection-of-upper-gastrointestinal-tract-tumors-arising-from-muscularis-propria
#7
REVIEW
Deepanshu Jain, Aakash Desai, Ejaz Mahmood, Shashideep Singhal
The management of incidentally discovered small upper gastrointestinal (GI) tract submucosal tumors (SMT) remains debatable. In this review, we summarize the evolving experience with submucosal tunneling endoscopic resection (STER) of upper GI SMTs originating from the muscularis propria. From 16 original studies, we reviewed a total of 703 patients with 736 lesions. Of these, 436 were located in the esophagus, 146 in the esophagogastric junction (EGJ) and 154 in the stomach. The composite complete resection rate (CRR) for STER of upper GI tumors arising from the muscularis propria layer was 99...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/28454005/competitive-sorption-affinity-of-sulfonamides-and-chloramphenicol-antibiotics-toward-functionalized-biochar-for-water-and-wastewater-treatment
#8
Mohammad Boshir Ahmed, John L Zhou, Huu Hao Ngo, Wenshan Guo, Md Abu Hasan Johir, Dalel Belhaj
Competitive sorption of sulfamethazine (SMT), sulfamethoxazole (SMX), sulfathiazole (STZ) and chloramphenicol (CP) toward functionalized biochar (fBC) was highly pH dependent with maximum sorption at pH ∼4.0-4.25. Equilibrium data were well represented by the Langmuir and Freundlich models in the order STZ>SMX>CP>SMT. Kinetics data were slightly better fitted by the pseudo second-order model than pseudo first-order and intra-particle-diffusion models. Maximum sorptive interactions occurred at pH 4...
April 13, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28441166/minimally-invasive-organ-preserving-surgery-for-large-submucosal-tumors-in-the-abdominal-esophagus
#9
Eiji Kanehira, Takashi Tanida, Aya Kamei, Kodai Takahashi
BACKGROUND: Surgical resection of submucosal tumors (SMTs) in the abdominal esophagus is not standardized. Enucleation may be a minimally invasive option, whereas its oncological validity is not very clear. Moreover, how to treat the esophageal wall defect after enucleation and necessity of additional antireflux procedure are also undetermined. METHODS: In 13 patients with a SMT originating the abdominal esophagus laparoscopic enucleation was performed with preserving the integrity of submucosa...
April 24, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28430671/elevated-production-of-nociceptive-cc-chemokines-and-se-selectin-in-patients-with-low-back-pain-and-the-effects-of-spinal-manipulation-a-non-randomized-clinical-trial
#10
Julita A Teodorczyk-Injeyan, Marion McGregor, John J Triano, H Stephen Injeyan
BACKGROUND: The involvement of inflammatory components in the pathophysiology of low back pain is poorly understood. It has been suggested that spinal manipulative therapy (SMT) may exert anti-inflammatory effects. PURPOSE: To determine the involvement of inflammation-associated chemokines (CC series) in the pathogenesis of non-specific low back pain and to evaluate the effect of SMT on that process. METHODS: Patients presenting with non-radicular, non-specific low back pain (minimum pain score 3 on 10 point visual analogue scale, VAS) were recruited according to stringent inclusion criteria...
April 19, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28422396/a-simplified-multivisceral-transplantation-procedure-for-patients-with-combined-end-stage-liver-disease-and-type-2-diabetes-mellitus
#11
Xiao-Shun He, Shun-Jun Fu, Qiang Zhao, Xiao-Feng Zhu, Dong-Ping Wang, Ming Han, Wei-Qiang Ju, Yi Ma, Jiao Xing-Yuan, Xiao-Peng Yuan, An-Bin Hu, Zhi-Yong Guo
In liver transplant patients with type 2 diabetes mellitus (DM), the disease worsens after transplantation because of long-term use of diabetogenic immunosuppressive drugs, making management of those patients a great challenge. The objective of our study was to evaluate the safety and efficacy of a simplified multivisceral transplantation (SMT) procedure for the treatment of patients with end-stage liver disease and concurrent type 2 DM. Forty-four patients who had pretransplant type 2 DM were included. Twenty-three patients received SMT and 21 patients received orthotopic liver transplantation (OLT)...
April 19, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28422238/3d-single-molecule-tracking-enables-direct-hybridization-kinetics-measurement-in-solution
#12
Cong Liu, Judy M Obliosca, Yen-Liang Liu, Yu-An Chen, Ning Jiang, Hsin-Chih Yeh
Single-molecule measurements of DNA hybridization kinetics are mostly performed on a surface or inside a trap. Here we demonstrate a time-resolved, 3D single-molecule tracking (3D-SMT) method that allows us to follow a freely diffusing ssDNA molecule in solution for hundreds of milliseconds or even seconds and observe multiple annealing and melting events taking place on the same molecule. This is achieved by combining confocal-feedback 3D-SMT with time-domain fluorescence lifetime measurement, where fluorescence lifetime serves as the indicator of hybridization...
May 4, 2017: Nanoscale
https://www.readbyqxmd.com/read/28403210/molecular-adsorbent-recirculating-system-mars-in-acute-liver-injury-and-graft-dysfunction-results-from-a-case-control-study
#13
Hans U Gerth, Michele Pohlen, Gerold Thölking, Hermann Pavenstädt, Marcus Brand, Christian Wilms, Anna Hüsing-Kabar, Dennis Görlich, Iyad Kabar, Hartmut H J Schmidt
BACKGROUND: The primary therapeutic goals in the treatment of liver injury are to support liver regeneration or bridge the gap to liver transplantation (LT). Molecular adsorbent recirculating system (MARS) therapy has shown beneficial effects for specific symptoms of liver failure; however, general survival advantages have not yet been demonstrated. AIM: We studied the effects of MARS therapy compared to standard medical treatment (SMT) in two patient cohorts: in patients with an acute liver injury and in those with graft dysfunction (GD)...
2017: PloS One
https://www.readbyqxmd.com/read/28399251/association-of-spinal-manipulative-therapy-with-clinical-benefit-and-harm-for-acute-low-back-pain-systematic-review-and-meta-analysis
#14
Neil M Paige, Isomi M Miake-Lye, Marika Suttorp Booth, Jessica M Beroes, Aram S Mardian, Paul Dougherty, Richard Branson, Baron Tang, Sally C Morton, Paul G Shekelle
Importance: Acute low back pain is common and spinal manipulative therapy (SMT) is a treatment option. Randomized clinical trials (RCTs) and meta-analyses have reported different conclusions about the effectiveness of SMT. Objective: To systematically review studies of the effectiveness and harms of SMT for acute (≤6 weeks) low back pain. Data Sources: Search of MEDLINE, Cochrane Database of Systematic Reviews, EMBASE, and Current Nursing and Allied Health Literature from January 1, 2011, through February 6, 2017, as well as identified systematic reviews and RCTs, for RCTs of adults with low back pain treated in ambulatory settings with SMT compared with sham or alternative treatments, and that measured pain or function outcomes for up to 6 weeks...
April 11, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28395384/laparoscopic-and-luminal-endoscopic-cooperative-surgery-can-be-a-standard-treatment-for-submucosal-tumors-of-the-stomach-a-retrospective-multicenter-study
#15
Tatsuo Matsuda, Souya Nunobe, Toshiyuki Kosuga, Hiroshi Kawahira, Noriyuki Inaki, Shuji Kitashiro, Nobutsugu Abe, Isao Miyashiro, Sayaka Nagao, Masahiko Nishizaki, Naoki Hiki
Background and study aims We have developed a combined laparoscopic and luminal endoscopic surgery technique for resection of gastric submucosal tumors (SMTs) that can be performed without excessive resection of the stomach. In a multicenter retrospective study we aimed to evaluate the feasibility and safety of laparoscopic and endoscopic cooperative surgery (LECS) for gastric SMT resection. Patients and methods Between October 2007 and December 2011, 126 patients with gastric SMTs underwent LECS at 8 institutions...
May 2017: Endoscopy
https://www.readbyqxmd.com/read/28389201/optical-measurement-of-receptor-tyrosine-kinase-oligomerization-on-live-cells
#16
REVIEW
Inhee Chung
Receptor tyrosine kinases (RTK) are important cell surface receptors that transduce extracellular signals across the plasma membrane. The traditional view of how these receptors function is that ligand binding to the extracellular domains acts as a master-switch that enables receptor monomers to dimerize and subsequently trans-phosphorylate each other on their intracellular domains. However, a growing body of evidence suggests that receptor oligomerization is not merely a consequence of ligand binding, but is instead part of a complex process responsible for regulation of receptor activation...
April 4, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28388524/a-sensitive-method-for-the-determination-of-sulfonamides-in-seawater-samples-by-solid-phase-extraction-and-uv-visible-spectrophotometry
#17
Sophia Ait Errayess, Abdellatif Ait Lahcen, Laila Idrissi, Caterina Marcoaldi, Salvatore Chiavarini, Aziz Amine
The authors have developed a sensitive spectrophotometric method for determination of sulfonamide derivatives such as sulfanilamide (SAA), sulfadiazine (SDZ), sulfacetamide (SCT) sulfamethoxazole (SMX), sulfamerazine (SMR), sulfadimethoxine (SDX), sulfamethiazole (SMT) and Sulfathiazole (STZ). This method is based on the Bratton-Marshall reaction, which involves the diazotization of sulfonamides with sodium nitrite under acidic conditions, followed by coupling with N-(1-naphtyl) ethylenediamine dihydrochloride (NED) to form a pink colored compound...
March 28, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28375941/two-tumors-in-1-what-should-be-the-therapeutic-target-pediatric-germ-cell-tumor-with-somatic-malignant-transformation
#18
Cecile Faure Conter, Brice Fresneau, Estelle Thebaud, Amandine Bertrand, Frederique Dijoud, Angelique Rome, Cecile Dumesnil, Marie Pierre Castex, Anguella Ghanem, Daniel Orbach
BACKGROUND: Germ cell tumors with somatic malignant transformation (GCT with SMT) are rare in children and poorly described. Data are missing to determine if therapies should target the GCT, the SMT compound, or both simultaneously. PATIENTS AND METHODS: A retrospective national study was conducted in the Société Française des cancers de l'Enfant (SFCE) Centers. Medical records from patients aged 0 to 18 years diagnosed with GCT with SMT between 2000 and 2015 were analyzed...
April 3, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28374716/-assessment-of-the-effectiveness-of-the-suture-with-triclosan-coated-in-emergency-surgery
#19
V V Darvin, D S Lobanov, E A Krasnov, A N Gvozdetsky
The aim of the study was to evaluate the effectiveness of the suture with a coating of triclosan on the dynamics of postoperative course in emergency surgical patients, comparing the postoperative period in the application of the suture with coating and without it. DESIGN: A prospective cohort with a solid retrospective control group. The efficiency of the application of the suture with a coating of triclosan on the flow dynamics in the early postoperative period 678 emergency surgical patients, comparing the postoperative period when using the coated suture material (292 patients) and without (386 patients)...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28370357/allogeneic-bone-marrow-derived-mesenchymal-stromal-cells-for-hbv-related-acute-on-chronic-liver-failure-a-randomized-controlled-trial
#20
Bing-Liang Lin, Jun-Feng Chen, Wei-Hong Qiu, Ke-Wei Wang, Dong-Ying Xie, Xiao-Yong Chen, Qiu-Li Liu, Liang Peng, Jian-Guo Li, Yong-Yu Mei, Wei-Zhen Weng, Yan-Wen Peng, Hui-Juan Cao, Jun-Qiang Xie, Shi-Bin Xie, Andy Peng Xiang, Zhi-Liang Gao
Mortality from hepatitis B virus (HBV)-related acute-on-chronic liver failure (ACLF) is high due to limited treatment options. Preclinical and clinical investigations have proved that treatment with mesenchymal stromal cells (MSCs) is beneficial for recovery from liver injury. We hypothesized that the outcome of HBV-related ACLF would be improved by MSC treatment. From 2010 to 2013, 110 patients with HBV-related ACLF were enrolled in this open label non-blinded randomized controlled study. The control group (N=54) was treated with standard medical therapy (SMT) only...
April 1, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
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