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Össur Ingi Emilsson, Bryndís Benediktsdóttir, Ísleifur Ólafsson, Elizabeth Cook, Sigurður Júlíusson, Einar Stefán Björnsson, Sunna Guðlaugsdóttir, Anna Soffía Guðmundsdóttir, Ekaterina Mirgorodskaya, Evert Ljungström, Erna Sif Arnardóttir, Þórarinn Gíslason, Christer Janson, Anna-Carin Olin
No abstract text is available yet for this article.
October 18, 2016: Respiratory Research
Christopher Patterson, Moira Stephens, Vico Chiang, Ann M Price, Fiona Work, Erna Snelgrove-Clarke
BACKGROUND: Personal learning environments (PLEs) have been shown to be a critical part of how students negotiate and manage their own learning. Understandings of PLEs appear to be constrained by narrow definitions that focus primarily on technological engagement with a range of web tools and associated applications. This paper addresses a gap in the literature around PLEs for students currently enrolled in undergraduate nursing degrees. PURPOSE: To provide in-depth insights into how undergraduate students of nursing manage and experience their learning...
September 26, 2016: Nurse Education Today
Mehrdad Rakaee, Lill-Tove Busund, Erna-Elise Paulsen, Elin Richardsen, Samer Al-Saad, Sigve Andersen, Tom Donnem, Roy M Bremnes, Thomas K Kilvaer
Recent data indicate that tumor-associated neutrophils (TANs) serve a dual role in tumor progression and regression. CD66b is a neutrophil marker and has been associated with patient outcome in various cancers. However, its clinical impact in non-small cell lung cancer (NSCLC) remains controversial. 536 NSCLC patients, of which 172 harbored lymph node metastases, were included in this study. Tissue microarrays were constructed and multiplexed immunohistochemistry of CD66b, CD34 and pan-keratin was performed to evaluate the localization and quantity of CD66b+ TANs...
September 30, 2016: Oncotarget
Emily J Faivre, Denise Wilcox, Xiaoyu Lin, Paul Hessler, Maricel Torrent, Wei He, Tamar Uziel, Daniel H Albert, Keith McDaniel, Warren Kati, Yu Shen
: Competitive inhibitors of acetyl-lysine binding to the bromodomains of the BET (bromodomain and extra terminal) family are being developed for the treatment of solid and hematologic malignancies. The function of BET family member BRD4 at enhancers/super-enhancers has been shown to sustain signal-dependent or pathogenic gene expression programs. Here the hypothesis was tested that the transcription factor drivers of castration-resistant prostate cancer (CRPC) clinical progression, including the Androgen Receptor (AR), are critically dependent on BRD4 and thus represent a sensitive solid tumor indication for the BET inhibitor ABBV-075...
October 5, 2016: Molecular Cancer Research: MCR
Paulo Tan, Erna Alant
This study employed an A-B singled subject design to explore the extent to which a peer-mediated intervention supported a first-grade student with autism's usage both in purpose and frequency of a speech-generating device (SGD) during mathematics activities. The intervention involved teaching a peer without a disability to encourage the student with autism to use the SGD during partnered mathematics activities. Our analysis involved visual and descriptive examination of trends and patterns over time, and comparison of means between and within phases...
October 3, 2016: Assistive Technology: the Official Journal of RESNA
Steven Blinka, Michael H Reimer, Kirthi Pulakanti, Sridhar Rao
Super-enhancers are tissue-specific cis-regulatory elements that drive expression of genes associated with cell identity and malignancy. A cardinal feature of super-enhancers is that they are transcribed to produce enhancer-derived RNAs (eRNAs). It remains unclear whether super-enhancers robustly activate genes in situ and whether their functions are attributable to eRNAs or the DNA element. CRISPR/Cas9 was used to systematically delete three discrete super-enhancers at the Nanog locus in embryonic stem cells, revealing functional differences in Nanog transcriptional regulation...
September 27, 2016: Cell Reports
Erna Li, Zhe Yin, Yanyan Ma, Huan Li, Weishi Lin, Xiao Wei, Ruixiang Zhao, Aimin Jiang, Jing Yuan, Xiangna Zhao
A novel Achromobacter xylosoxidans bacteriophage, phiAxp-2, was isolated from hospital sewage in China. The phage was morphologically and microbiologically characterized, and its one-step growth curve, host range, genomic sequence, and receptor were determined. Its morphology showed that phiAxp-2 belongs to the family Siphoviridae. Microbiological characterization demonstrated that pH 7 is most suitable for phage phiAxp-2; its titer decreased when the temperature exceeded 50 °C; phiAxp-2 is sensitive to ethanol and isopropanol; and the presence of calcium and magnesium ions is necessary to accelerate cell lysis and improve the formation of phiAxp-2 plaques...
September 27, 2016: Scientific Reports
Anusha Nagari, Shino Murakami, Venkat S Malladi, W Lee Kraus
Transcriptional enhancers are DNA regulatory elements that are bound by transcription factors and act to positively regulate the expression of nearby or distally located target genes. Enhancers have many features that have been discovered using genomic analyses. Recent studies have shown that active enhancers recruit RNA polymerase II (Pol II) and are transcribed, producing enhancer RNAs (eRNAs). GRO-seq, a method for identifying the location and orientation of all actively transcribing RNA polymerases across the genome, is a powerful approach for monitoring nascent enhancer transcription...
2017: Methods in Molecular Biology
Steven Blinka, Michael H Reimer, Kirthi Pulakanti, Luca Pinello, Guo-Cheng Yuan, Sridhar Rao
Recent work has shown that RNA polymerase II-mediated transcription at distal cis-regulatory elements serves as a mark of highly active enhancers. Production of noncoding RNAs at enhancers, termed eRNAs, correlates with higher expression of genes that the enhancer interacts with; hence, eRNAs provide a new tool to model gene activity in normal and disease tissues. Moreover, this unique class of noncoding RNA has diverse roles in transcriptional regulation. Transcribed enhancers can be identified by a common signature of epigenetic marks by overlaying a series of genome-wide chromatin immunoprecipitation and RNA sequencing datasets...
2017: Methods in Molecular Biology
Youtaro Shibayama, Stephanie Fanucchi, Musa M Mhlanga
Enhancers are principal regulators that allow spatiotemporal tissue-specific control of gene expression. While mounting evidence suggests that enhancer-derived long noncoding RNAs (long ncRNAs), including enhancer RNAs (eRNAs), are an important component of enhancer function, their expression has not been broadly analyzed at a single cell level via imaging techniques. This protocol describes a method to image eRNA in single cells by in situ hybridization followed by tyramide signal amplification (TSA). The procedure can be multiplexed to simultaneously visualize both eRNA and protein-coding transcript at the site of transcriptional elongation, thereby permitting analysis of dynamics between the two transcript species in single cells...
2017: Methods in Molecular Biology
Steven A Safren, C Andres Bedoya, Conall O'Cleirigh, Katie B Biello, Megan M Pinkston, Michael D Stein, Lara Traeger, Erna Kojic, Gregory K Robbins, Jonathan A Lerner, Debra S Herman, Matthew J Mimiaga, Kenneth H Mayer
BACKGROUND: Depression is highly prevalent in people with HIV and has consistently been associated with poor antiretroviral therapy (ART) adherence. Integrating cognitive behavioural therapy (CBT) for depression with adherence counselling using the Life-Steps approach (CBT-AD) has an emerging evidence base. The aim of this study was to test the efficacy of CBT-AD. METHODS: In this three-arm randomised controlled trial in HIV-positive adults with depression, we compared CBT-AD with information and supportive psychotherapy plus adherence counselling using the Life-Steps approach (ISP-AD), and with enhanced treatment as usual (ETAU) including Life-Steps adherence counselling only...
September 19, 2016: Lancet HIV
Össur Ingi Emilsson, Bryndís Benediktsdóttir, Ísleifur Ólafsson, Elizabeth Cook, Sigurður Júlíusson, Einar Stefán Björnsson, Sunna Guðlaugsdóttir, Anna Soffía Guðmundsdóttir, Ekaterina Mirgorodskaya, Evert Ljungström, Erna Sif Arnardóttir, Þórarinn Gíslason, Christer Janson, Anna-Carin Olin
BACKGROUND: Nocturnal gastroesophageal reflux (nGER) is associated with respiratory symptoms and sleep-disordered breathing (SDB), but the pathogenesis is unclear. We aimed to investigate the association between nGER and respiratory symptoms, exacerbations of respiratory symptoms, SDB and airway inflammation. METHODS: Participants in the European Community Respiratory Health Survey III in Iceland with nGER symptoms (n = 48) and age and gender matched controls (n = 42) were studied by questionnaires, exhaled breath condensate (EBC), particles in exhaled air (PEx) measurements, and a home polygraphic study...
2016: Respiratory Research
Larissa Fonseca da Cunha Sousa, Milene Alvarenga Rachid, Graciela Kunrath Lima, Aline Silva de Miranda, Márcia de Carvalho Vilela, Norinne Lacerda Queiroz, David Henrique Rodrigues, Marco Antonio Campos, Erna Geessien Kroon, Fabiana Simão Machado, Antônio Lúcio Teixeira
The most severe manifestation of Herpes Simplex Type 1 virus (HSV-1) infection is encephalitis characterized by arousal impairment and seizures that can evolve to coma and death. Previous studies reported the involvement of suppressor of cytokine signaling (SOCS) proteins, specifically SOCS1 and SOCS3, in HSV-1 infection, suggesting that other members of this family could be involved in the immune response against HSV-1. No previous study has reported the role of SOCS2 in HSV-1 infection. In the current study, C57BL/6 wild-type mice (WT) and mice deficient in SOCS2 gene (SOCS2(-/-)) were subjected to intracranial inoculation with 10(2) plaque forming units (PFU) of HSV-1...
September 16, 2016: Brain Research Bulletin
Sari Toropainen, Einari A Niskanen, Marjo Malinen, Päivi Sutinen, Minna U Kaikkonen, Jorma J Palvimo
Androgen receptor (AR) is a male sex steroid-activated transcription factor (TF) that plays a critical role in prostate cancers, including castration-resistant prostate cancers (CRPC) that typically express amplified levels of the AR. CRPC-derived VCaP cells display an excessive number of chromatin AR-binding sites (ARBs) most of which localize to distal inter- or intragenic regions. Here, we analyzed direct transcription programs of the AR in VCaP cells using global nuclear run-on sequencing (GRO-seq) and integrated the GRO-seq data with the ARB and VCaP cell-specific TF-binding data...
2016: Scientific Reports
Romy Kerber, Ralf Krumkamp, Boubacar Diallo, Anna Jaeger, Martin Rudolf, Simone Lanini, Joseph Akoi Bore, Fara Raymond Koundouno, Beate Becker-Ziaja, Erna Fleischmann, Kilian Stoecker, Silvia Meschi, Stéphane Mély, Edmund N C Newman, Fabrizio Carletti, Jasmine Portmann, Misa Korva, Svenja Wolff, Peter Molkenthin, Zoltan Kis, Anne Kelterbaum, Anne Bocquin, Thomas Strecker, Alexandra Fizet, Concetta Castilletti, Gordian Schudt, Lisa Ottowell, Andreas Kurth, Barry Atkinson, Marlis Badusche, Angela Cannas, Elisa Pallasch, Andrew Bosworth, Constanze Yue, Bernadett Pályi, Heinz Ellerbrok, Claudia Kohl, Lisa Oestereich, Christopher H Logue, Anja Lüdtke, Martin Richter, Didier Ngabo, Benny Borremans, Dirk Becker, Sophie Gryseels, Saïd Abdellati, Tine Vermoesen, Eeva Kuisma, Annette Kraus, Britta Liedigk, Piet Maes, Ruth Thom, Sophie Duraffour, Sandra Diederich, Julia Hinzmann, Babak Afrough, Johanna Repits, Marc Mertens, Inês Vitoriano, Amadou Bah, Andreas Sachse, Jan Peter Boettcher, Stephanie Wurr, Sabrina Bockholt, Andreas Nitsche, Tatjana Avšič Županc, Marc Strasser, Giuseppe Ippolito, Stephan Becker, Herve Raoul, Miles W Carroll, Hilde De Clerck, Michel Van Herp, Armand Sprecher, Lamine Koivogui, N'Faly Magassouba, Sakoba Keïta, Patrick Drury, Cèline Gurry, Pierre Formenty, Jürgen May, Martin Gabriel, Roman Wölfel, Stephan Günther, Antonino Di Caro
BACKGROUND:  A unit of the European Mobile Laboratory (EMLab) consortium was deployed to the Ebola virus disease (EVD) treatment unit in Guéckédou, Guinea, from March 2014 through March 2015. METHODS:  The unit diagnosed EVD and malaria, using the RealStar Filovirus Screen reverse transcription-polymerase chain reaction (RT-PCR) kit and a malaria rapid diagnostic test, respectively. RESULTS:  The cleaned EMLab database comprised 4719 samples from 2741 cases of suspected EVD from Guinea...
October 15, 2016: Journal of Infectious Diseases
Elisabet Einarsdottir, Lena Hafrén, Eira Leinonen, Mahmood F Bhutta, Erna Kentala, Juha Kere, Petri S Mattila
To identify genetic risk factors of childhood otitis media (OM), a genome-wide association study was performed on Finnish subjects, 829 affected children, and 2118 randomly selected controls. The most significant and validated finding was an association with an 80 kb region on chromosome 19. It includes the variants rs16974263 (P = 1.77 × 10(-7), OR = 1.59), rs268662 (P = 1.564 × 10(-6), OR = 1.54), and rs4150992 (P = 3.37 × 10(-6), OR = 1.52), and harbors the genes PLD3, SERTAD1, SERTAD3, HIPK4, PRX, and BLVRB, all in strong linkage disequilibrium...
2016: Scientific Reports
Thorarinn A Bjarnason, Linda B Kristinsdottir, Erna S Oskarsdottir, Steinar O Hafthorsson, Isleifur Olafsson, Sigrun H Lund, Karl Andersen
BACKGROUND: Previously undetected dysglycaemia is common among patients with acute coronary syndromes (ACSs). The aim of this study was to identify the most reliable method of diagnosing type 2 diabetes mellitus (T2DM) and prediabetes in ACS patients. METHODS: Patients admitted to the coronary care unit with ACSs and no previous history of T2DM were consecutively included in the study. Glucose metabolism was measured by glycated haemoglobin (HbA1c), fasting plasma glucose (FPG) and 2-hour plasma glucose (2hPG) with a standard oral glucose tolerance test during hospital admission, and this process was repeated 3 months later...
September 13, 2016: European Heart Journal. Acute Cardiovascular Care
Susanna Teppo, Saara Laukkanen, Thomas Liuksiala, Jessica Nordlund, Mikko Oittinen, Kaisa Teittinen, Toni Grönroos, Pascal St-Onge, Daniel Sinnett, Ann-Christine Syvänen, Matti Nykter, Keijo Viiri, Merja Heinäniemi, Olli Lohi
Approximately 20%-25% of childhood acute lymphoblastic leukemias carry the ETV6-RUNX1 (E/R) fusion gene, a fusion of two central hematopoietic transcription factors, ETV6 (TEL) and RUNX1 (AML1). Despite its prevalence, the exact genomic targets of E/R have remained elusive. We evaluated gene loci and enhancers targeted by E/R genome-wide in precursor B acute leukemia cells using global run-on sequencing (GRO-seq). We show that expression of the E/R fusion leads to widespread repression of RUNX1 motif-containing enhancers at its target gene loci...
September 12, 2016: Genome Research
Tatiana Elias Colombo, Danila Vedovello, Carolina Colombelli Pacca-Mazaro, Adriano Mondini, João Pessoa Araújo, Eliana Cabrera, José Carlos Lopes, Izalco Nuremberg Penha Dos Santos, Andréia Francesli Negri Reis, Fabiana Rodrigues Costa, Lilian Elisa Arão Antônio Cruz, Jurandir Ferreira, Eliseu Soares de Oliveira Rocha, Erna Geessien Kroon, Roberta Vieira de Morais Bronzoni, Nikos Vasilakis, Maurício Lacerda Nogueira
Dengue viruses are the most common arbovirus infection worldwide and are caused by four distinct serotypes of the dengue virus (DENV). In the present study, we assessed DENV transmission in São José do Rio Preto (SJRP) from 2010 to 2014. We analyzed blood samples from febrile patients who were attended at health care centers in SJRP. DENV detection was performed using multiplex RT-PCR, using flavivirus generic primers, based on the genes of the non-structural protein (NS5), followed by nested-PCR assay with species-specific primers...
September 5, 2016: Acta Tropica
Erna Roos, Anna E Fichardt, Margaret J MacKenzie, Jacques Raubenheimer
BACKGROUND: The nursing profession forms the backbone of many healthcare systems. It therefore needs a consistent supply of registered nurses to deliver continuous and safe quality healthcare, and to replace the nurses leaving or retiring from the profession. Attrition actively occurs among nursing students in South Africa and threatens the future supply of registered nurses. AIM: The aim of the study was to describe the attrition rate at selected South African universities and the factors influencing undergraduate nursing students to discontinue their nursing studies at these universities...
2016: Curationis
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