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https://www.readbyqxmd.com/read/29056035/the-smad4-pten-expression-pattern-predicts-clinical-outcomes-in-colorectal-adenocarcinoma
#1
Yumin Chung, Young Chan Wi, Yeseul Kim, Seong Sik Bang, Jung-Ho Yang, Kiseok Jang, Kyueng-Whan Min, Seung Sam Paik
Background: Smad4 and PTEN are prognostic indicators for various tumor types. Smad4 regulates tumor suppression, whereas PTEN inhibits cell proliferation. We analyzed and compared the performance of Smad4 and PTEN for predicting the prognosis of patients with colorectal adenocarcinoma. Materials and Methods: Combined expression patterns based on Smad4+/- and PTEN+/- statuses were evaluated by immunostaining using a tissue microarray with samples from patients with colorectal adenocarcinoma...
October 23, 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29055261/the-nosas-score-a-new-and-simple-screening-tool-for-obstructive-sleep-apnea-syndrome-in-depressive-disorder
#2
Kelly Guichard, Helena Marti-Soler, Jean-Arthur Micoulaud-Franchi, Pierre Philip, Pedro Marques-Vidal, Peter Vollenweider, Gerard Waeber, Martin Preisig, José Haba-Rubio, Raphael Heinzer
BACKGROUND: Since the clinical presentation of obstructive sleep apnea syndrome (OSAS) shares common features with major depressive (MDE), the screening of OSAS is challenging in this population. The aim of this study was to assess the effectiveness of the NoSAS score in predicting the presence of OSAS among participants with current MDE and to compare it with the performance of existing screening tools. METHODS: A random sample of the population-based cohort CoLaus (Lausanne, Switzerland) underwent a psychiatric evaluation (PsyCoLaus) and a complete polysomnography at home (HypnoLaus)...
October 5, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29054482/the-effectiveness-of-an-obstructive-sleep-apnea-screening-and-treatment-program-in-patients-with-type-2-diabetes
#3
Lucas M Donovan, Michael Rueschman, Jia Weng, Nisha Basu, Katherine A Dudley, Jessie P Bakker, Rui Wang, Suzanne M Bertisch, Sanjay R Patel
AIMS: As recommended by current guidelines, we tested the acceptability and impact of screening patients with type 2 diabetes for obstructive sleep apnea (OSA). METHODS: In a large urban primary care practice, we instituted a telephone-based OSA screening program using a validated tool (STOP-BANG) in patients with type 2 diabetes. Patients identified as high risk were referred for diagnostic sleep testing, and those diagnosed with OSA were offered positive airway pressure (PAP) therapy...
October 17, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29052961/amphiphilic-small-peptides-for-delivery-of-plasmid-dnas-and-sirnas
#4
Eun-Kyoung Bang, Hanna Cho, Sean S-H Jeon, Na Ly Tran, Dong-Kwon Lim, Wooyoung Hur, Taebo Sim
Although various delivery systems for nucleic acids have been reported, development of an efficient and non-toxic delivery carrier is still a key subject for gene therapy. In order to find new efficient delivery carriers for nucleic acids, we synthesized amphiphilic peptides composed of a guanidino group, an oleyl group, and a cysteine. We prepared both linear and branched types of peptides, and found that the linear peptides were superior to the branched peptides as nucleic acid carriers. Our study also suggested that the intermolecular cysteine disulfides might allow the linear peptides to form the optimal particle sizes with nucleic acids for cellular uptake...
October 20, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/29050336/transcriptional-downregulation-of-microrna-19a-by-ros-production-and-nf-%C3%AE%C2%BAb-deactivation-governs-resistance-to-oxidative-stress-initiated-apoptosis
#5
Jun Hong, Ying Wang, Bang-Chuan Hu, Liang Xu, Jing-Quan Liu, Min-Hua Chen, Jin-Zhu Wang, Fang Han, Yang Zheng, Xu Chen, Qian Li, Xiang-Hong Yang, Ren-Hua Sun, Shi-Jing Mo
Cell apoptosis is one of the main pathological alterations during oxidative stress (OS) injury. Previously, we corroborated that nuclear factor-κB (NF-κB) transactivation confers apoptosis resistance against OS in mammalian cells, yet the underlying mechanisms remain enigmatic. Here we report that microRNA-19a (miR-19a) transcriptionally regulated by reactive oxygen species (ROS) production and NF-κB deactivation prevents OS-initiated cell apoptosis through cylindromatosis (CYLD) repression. CYLD contributes to OS-initiated cell apoptosis, for which NF-κB deactivation is essential...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050335/evidence-for-the-association-of-chromatin-and-microrna-regulation-in-the-human-genome
#6
Bang-Bao Tao, Xi-Qiang Liu, Wenhao Zhang, Shu Li, Dong Dong, Mang Xiao, Jun Zhong
Both microRNAs (miRNAs) and chromatin regulation play important roles in cellular processes and they function at different regulatory levels of transcription. Although efforts have been devoted to the investigation of miRNA and chromatin regulation, there's still no comprehensive work to illustrate their relationships due tothe lack of whole-genome wide datasets in different human cellular contexts. Based on the recently published large-scale epigenetic data, we examined the association between miRNA and epigenetic machinery...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29049397/the-transcriptional-regulator-lysg-rv1985c-of-mycobacterium-tuberculosis-activates-lyse-rv1986-in-a-lysine-dependent-manner
#7
Marie Schneefeld, Tobias Busche, Robert Geffers, Jörn Kalinowski, Franz-Christoph Bange
The Mycobacterium tuberculosis protein encoded by the Rv1986 gene is a target for memory T cells in patients with tuberculosis, and shows strong similarities to a lysine exporter LysE of Corynebacterium glutamicum. During infection, the pathogen Mycobacterium tuberculosis adapts its metabolism to environmental changes. In this study, we found that the expression of Rv1986 is controlled by Rv1985c. Rv1985c is located directly upstream of Rv1986 with an overlapping promoter region between both genes. Semiquantitative reverse transcription PCR using an isogenic mutant of Mycobacterium tuberculosis lacking Rv1985c showed that in the presence of lysine, Rv1985c protein positively upregulated the expression of Rv1986...
2017: PloS One
https://www.readbyqxmd.com/read/29049217/identification-of-novel-therapeutic-target-genes-and-pathway-in-pancreatic-cancer-by-integrative-analysis
#8
Bangli Hu, Cheng Shi, Hai-Xing Jiang, Shan-Yu Qin
BACKGROUND: Gene alterations are crucial to the molecular pathogenesis of pancreatic cancer. The present study was designed to identify the potential candidate genes in the pancreatic carcinogenesis. METHODS: Gene Expression Omnibus database (GEO) datasets of pancreatic cancer tissue were retrieval and the differentially expressed genes (DEGs) from individual microarray data were merged. Gene Ontology (GO) enrichment analysis, Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis, protein-protein interaction (PPI) networks, and gene coexpression analysis were performed...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29049199/paclitaxel-as-third-line-chemotherapy-for-small-cell-lung-cancer-failing-both-etoposide-and-camptothecin-based-chemotherapy
#9
Se Hyun Kim, Mi-Jung Kim, Yu Jung Kim, Hyun Chang, Jin Won Kim, Jeong-Ok Lee, Keun-Wook Lee, Jee Hyun Kim, Soo-Mee Bang, Jong Seok Lee
Paclitaxel has been shown to have clinical activity in the treatment of small cell lung cancer (SCLC). However, its role as third-line chemotherapy for SCLC after both etoposide- and camptothecin-based regimens has not been clarified.All patients with refractory SCLC who were treated with paclitaxel-based regimen as third-line chemotherapy between 2005 and 2011 in Seoul National University Bundang Hospital were reviewed retrospectively. Forty patients previously treated with both etoposide- and camptothecin-based chemotherapy were included...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29048976/healthy-out-group-members-are-represented-psychologically-as-infected-in-group-members
#10
Michael Bang Petersen
A range of studies have demonstrated that people implicitly treat out-groups as the carriers of pathogens and that considerable prejudice against out-groups is driven by concerns about pathogens. Yet the psychological categories that are involved and the selection pressures that underlie these categories remain unclear. A common view is that human pathogen-avoidance psychology is specifically adapted to avoid out-groups because of their potentially different pathogens. However, the series of studies reported here shows that there is no dedicated category for reasoning about out-groups in terms of pathogens...
October 1, 2017: Psychological Science
https://www.readbyqxmd.com/read/29047842/breaking-camouflage-and-detecting-targets-require-optic-flow-and-image-structure-information
#11
Jing Samantha Pan, Ned Bingham, Chang Chen, Geoffrey P Bingham
Use of motion to break camouflage extends back to the Cambrian [In the Blink of an Eye: How Vision Sparked the Big Bang of Evolution (New York Basic Books, 2003)]. We investigated the ability to break camouflage and continue to see camouflaged targets after motion stops. This is crucial for the survival of hunting predators. With camouflage, visual targets and distracters cannot be distinguished using only static image structure (i.e., appearance). Motion generates another source of optical information, optic flow, which breaks camouflage and specifies target locations...
August 1, 2017: Applied Optics
https://www.readbyqxmd.com/read/29044381/double-trouble-for-transcatheter-aortic-valve-implantation-a-patient-with-no-vascular-access-and-high-risk-features-for-bilateral-coronary-obstruction
#12
Hsin-Bang Leu, Hsiao-Huang Chang, Su-Man Lin, Ying-Hwa Chen
No abstract text is available yet for this article.
September 21, 2017: European Heart Journal
https://www.readbyqxmd.com/read/29042892/modest-improvement-of-untreated-severe-sleep-disordered-breathing-in-the-middle-aged-and-elderly
#13
Hong Jun Jeon, Young Rong Bang, Soyeon Jeon, Tae Young Lee, Hye Youn Park, In-Young Yoon
OBJECTIVE: It has been reported that untreated sleep-disordered breathing (SDB) deteriorates over time, however this remains contentious. The aim of the present study is to evaluate the clinical course of SDB in middle-aged and older SDB patients, and to identify how relevant factors contribute to the change in SDB severity. METHODS: Baseline and follow-up polysomnographic data of 56 untreated SDB patients (mean age, 61.2±5.71) were obtained retrospectively and the mean interval was 62...
September 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/29042393/effects-of-polyethylene-glycol-2-l-alone-or-with-ascorbic-acid-compared-with-polyethylene-glycol-4-l-alone-for-bowel-preparation-before-colonoscopy-protocol-for-a-systematic-review-and-network-meta-analysis
#14
Xu Tian, Wei-Qing Chen, Jie-Li Huang, Lan-Ying He, Bang-Lun Liu, Xi Liu, Hang Zhou, Bing-Rong Liu
INTRODUCTION: Colonoscopy has been regarded as a standard method of detecting and removing gastrointestinal lesions early, while adequate bowel preparation is the prerequisite of determining the diagnostic accuracy and treatment safety of this process. Polyethylene glycol (PEG) based bowel preparation regimens remain the first recommendation, but the optimal option is still uncertain. The aim of this systematic review and network meta-analysis of randomised controlled trials (RCTs) is to determine the optimal PEG based bowel preparation regimen before colonoscopy...
October 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/29040342/area-level-poverty-race-ethnicity-dialysis-star-ratings
#15
Abhijit V Kshirsagar, Raj N Manickam, Yi Mu, Jennifer E Flythe, Andrew I Chin, Heejung Bang
The Centers for Medicare and Medicaid Services recently released a five star rating system as part of 'Dialysis Facility Compare' to help patients identify and choose high performing clinics in the US. Eight dialysis-related measures determine ratings. Little is known about the association between surrounding community sociodemographic characteristics and star ratings. Using data from the U.S. Census and over 6000 dialysis clinics across the country, we examined the association between dialysis clinic star ratings and characteristics of the local population: 1) proportion of population below the federal poverty level (FPL); 2) proportion of black individuals; and 3) proportion of Hispanic individuals, by correlation and regression analyses...
2017: PloS One
https://www.readbyqxmd.com/read/29039361/characterization-of-highly-crystalline-lead-iodide-nanosheets-prepared-by-room-temperature-solution-processing
#16
Riccardo Frisenda, Joshua O Island, Jose L Lado, Emerson Giovanelli, Patricia Gant, Philipp Nagler, Sebastian Bange, John M Lupton, Christian Schüller, Aday J Molina-Mendoza, Lucia Aballe, Michael Foerster, Tobias Korn, Miguel Angel Niño, David Perez de Lara, Emilio M Pérez, Joaquín Fernandéz-Rossier, Andres Castellanos-Gomez
Two-dimensional (2D) semiconducting materials are particularly appealing for many applications. Although theory predicts a large number of 2D materials, experimentally only a few of these materials have been identified and characterized comprehensively in the ultrathin limit. Lead iodide, which belongs to the transition metal halides family and has a direct bandgap in the visible spectrum, has been known for a long time and has been well characterized in its bulk form. Nevertheless, studies of this material in the nanometer thickness regime are rather scarce...
October 17, 2017: Nanotechnology
https://www.readbyqxmd.com/read/29039011/tilling-in-brachypodium-distachyon
#17
Louise de Bang, Anna Maria Torp, Søren K Rasmussen
TILLING is a low-cost screening method that allows for identification of mutations in a gene-of-interest within a range of few base pairs. TILLING can be applied to mutant populations or to plant collections of cultivars, landraces or crop wild relatives (Eco-TILLING). The method is based on the Cel1 enzyme cleavage of mismatches in PCR products amplified with labeled primers. The cleavage can be detected due to the labeled primers by different methods including capillary electrophoresis. Here, we introduce the development of the mutant population BRACHYLIFE and present a Brachypodium TILLING protocol based on fluorescing primers for PCR, enzymatic cleavage, and detection with Applied Biosystems 3130xl Genetic Analyzer...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29038949/sleep-disorders-and-health-related-quality-of-life-in-patients-with-interstitial-lung-disease
#18
Maria Mavroudi, Despoina Papakosta, Theodore Kontakiotis, Kaliopi Domvri, George Kalamaras, Vasiliki Zarogoulidou, Paul Zarogoulidis, Paschalina Latka, Haidong Huang, Wolfgang Hohenforst-Schmidt, Konstantinos Zarogoulidis
BACKGROUND: Interstitial lung diseases (ILD) are chronic and restrictive lung diseases with poor survival and quality of life. The aim of this study was to investigate the frequency of sleep disorders in idiopathic pulmonary fibrosis (IPF) and sarcoidosis and to assess patients' quality of life in relation to these disorders. METHODS: Forty patients, 19 with IPF, and 21 with sarcoidosis stage II/III were included. They were compared with 15 healthy subjects. All patients performed all-night polysomnography (PSG) and completed the Epworth, Berlin, and Stop-Bang questionnaires...
October 16, 2017: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/29037012/medical-treatment-of-intracranial-atherosclerosis-an-update
#19
REVIEW
Jong S Kim, Oh Young Bang
For patients with symptomatic intracranial atherosclerosis (ICAS), antithrombotic agents are the mainstay of therapy. Anticoagulation (warfarin) is not widely used since it is not more effective than aspirin and carries a high risk of bleeding. New oral anticoagulants are showing promise, but their use has not been investigated in appropriate clinical trials. Since the recurrent stroke risk is high with aspirin monotherapy, dual antiplatelets are considered in the early stage of symptomatic ICAS. Based on the Clopidogrel in High-Risk Patients with Acute Nondisabling Cerebrovascular Events (CHANCE) and Stenting and Aggressive Medical Management for Preventing Recurrent Stroke in Intracranial Stenosis (SAMMPRIS) results, aspirin plus clopidogrel has been recommended...
September 2017: Journal of Stroke
https://www.readbyqxmd.com/read/29036920/evaluation-of-mc3t3-cells-proliferation-and-drug-release-study-from-sodium-hyaluronate-1-4-butanediol-diglycidyl-ether-patterned-gel
#20
Sumi Bang, Dipankar Das, Jiyun Yu, Insup Noh
A pattern gel has been fabricated using sodium hyaluronate (HA) and 1,4-butanediol diglycidyl ether (BDDGE) through the micro-molding technique. The cellular behavior of osteoblast cells (MC3T3) in the presence and absence of dimethyloxalylglycine (DMOG) and sodium borate (NaB) in the pattern gel (HA-BDDGE) has been evaluated for its potential application in bone regeneration. The Fourier transform infrared spectroscopy (FTIR), (13)C-nuclear magnetic resonance spectroscopy ((13)C NMR), and thermogravimetric analysis (TGA) results implied the crosslinking reaction between HA and BDDGE...
October 14, 2017: Nanomaterials
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