Now showing items 109-128 of 1054

    • Cancer Research 

      Konstantinell, Aelita Gloria Virginia (Journal article; Tidsskriftartikkel, 2017)
      American Association for Cancer Research was founded in 1907 by a group of 11 physicians and scientists interested in cancer research in the Washington, DC. Today, the AACR is the largest professional organization in the world with a membership of 37 000 researchers from 108 countries. This year, AAR Annual Meeting was organized from the 1th to 5th of April in the birthplace of the organization. I ...
    • Candida auris 

      Sollid, Johanna U Ericson (Chapter; Bokkapittel, 2019)
      Candida auris (C. auris) er en gjærsopp som kan forårsake alvorlige infeksjoner hos mennesker. Infeksjoner med Candida auris forekommer i hovedsak i helseinstitusjoner og rammer som regel alvorlig syke pasienter. I tillegg er behandling vanskelig fordi soppen ofte er resistent/motstandsdyktig mot de vanligste medikamentene som brukes ved Candida-infeksjon.
    • Carbapenem resistance determinants acquired through novel chromosomal integrations in extensively drug-resistant pseudomonas aeruginosa 

      Janice, Jessin; Agyepong, Nicholas; Owusu-Ofori, Alex; Govinden, Usha; Essack, Sabiha; Samuelsen, Ørjan; Sundsfjord, Arnfinn; Pedersen, Torunn (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-06-17)
      Two novel bla<sub>DIM-1</sub>- or bla<SUB>IMP-1</SUB>-containing genomic islands (GIs) were discovered by whole-genome sequence analyses in four extensively drug-resistant (XDR) <i>Pseudomonas aeruginosa</i> isolates from inpatients at a tertiary hospital in Ghana. The strains were of sequence type 234 (ST234) and formed a phylogenetic clade together with ST111, which is recognized as a global ...
    • Cardiac adaptation to hypertension in adult female Dahl salt-sensitive rats is dependent on ovarian function, but loss of ovarian function does not predict early maladaptation 

      Ludvigsen, Stian; Mancusi, Costantino; Kildal, Simon; de Simone, Giovanni; Gerdts, Eva; Ytrehus, Kirsti (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-02-08)
      Aim of study was to examine experimentally the adult female hypertensive heart in order to determine the role of ovary function in the response of the heart to salt-dependent hypertension. Dahl salt-sensitive rats, age 12 weeks, with/without ovariectomy were fed a standard (0.3% NaCl) or high-salt diet (8%) for 16 weeks. Mean arterial blood pressure monitored noninvasively in conscious state ...
    • The catalytic reaction mechanism of drosophilid alcohol dehydrogenases 

      Wushur, Imin; Sylte, Ingebrigt; Winberg, Jan-Olof (Journal article; Tidsskriftartikkel; Peer reviewed, 2014-12-24)
      The present review describes the current knowledge about the reaction mechanism of drosophilid alcohol dehydrogenases (DADH), a member of the short chain dehydrogenase/reductase (SDR) superfamily. Included is the binding order of the substrates to the enzyme, rate limiting steps, stereochemistry of the reaction, active site topology, role of important amino acids and water molecules in the reaction ...
    • CCL17/TARC and CCR4 expression in Merkel cell carcinoma 

      Rasheed, Kashif; Abdulsalam, Ibrahim Afolabi; Fismen, Silje; Grimstad, Øystein; Sveinbjørnsson, Baldur; Moens, Ugo (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-07-31)
      Merkel cell carcinoma (MCC) is a rare, highly aggressive neuroendocrine skin cancer. In more than 80% of the cases, Merkel cell polyomavirus (MCPyV) is a causal factor. The oncogenic potential of MCPyV is mediated through its viral oncoproteins, large T antigen (LT) and small t antigen (sT). To investigate the role of cytokines in MCC, a PCR array analysis for genes encoding inflammatory cytokines ...
    • CD45RO+ Memory T Lymphocytes – a Candidate Marker for TNM-Immunoscore in Squamous Non-Small Cell Lung Cancer 

      Paulsen, Erna-Elise; Kilvær, Thomas Karsten; Rakaeekhanehkenari, Mehrdad; Johansen Maurseth, Ramona; Al-Saad, Samer; Hald, Sigurd; Al-Shibli, Khalid; Andersen, Sigve; Richardsen, Elin; Busund, Lill-Tove; Bremnes, Roy M.; Dønnem, Tom (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-11)
      Tumor-infiltrating lymphocytes (TILs) are vital in limiting cancer progression and may supplement the TNM classification. CD45RO+ memory TILs show major prognostic impact in various malignancies but have not been extensively explored in non–small cell lung cancer (NSCLC). In this study, we aimed to evaluate their potential in a NSCLC TNM-Immunoscore. Tissue microarrays were constructed from tumor ...
    • Changes in antacid use over a 9-year period in a general population adjusted for changes in dyspeptic complaints 

      Straume, Bjørn; Furu, Kari (Journal article; Tidsskriftartikkel; Peer reviewed, 2008)
    • Changes in the proteome and secretome of rat liver sinusoidal endothelial cells during early primary culture and effects of dexamethasone 

      Li, Ruomei; Bhandari, Sabin; Martinez-Zubiaurre, Inigo; Bruun, Jack-Ansgar; Urbarova, Ilona Halva; Smedsrød, Bård; Simon-Santamaria, Jaione; Sørensen, Karen Kristine (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-09-02)
      Introduction<p> <p>Liver sinusoidal endothelial cells (LSECs) are specialized fenestrated scavenger endothelial cells involved in the elimination of modified plasma proteins and tissue turnover waste macromolecules from blood. LSECs also participate in liver immune responses. A challenge when studying LSEC biology is the rapid loss of the in vivo phenotype in culture. In this study, we have ...
    • Characterisation and prognostic value of tertiary lymphoid structures in oral squamous cell carcinoma 

      Wirsing, Anna Maria; Rikardsen, Oddveig G; Steigen, Sonja Eriksson; Uhlin-Hansen, Lars; Hadler-Olsen, Elin Synnøve (Journal article; Tidsskriftartikkel; Peer reviewed, 2014-08-23)
      <p><i>Background -</i>Oral squamous cell carcinomas are often heavily infiltrated by immune cells. The organization of B-cells, follicular dendritic cells, T-cells and high-endothelial venules into structures termed tertiary lymphoid structures have been detected in various types of cancer, where their presence is found to predict favourable outcome. The purpose of the present study was to evaluate ...
    • Characterisation of parapoxviruses isolated from Norwegian semi-domesticated reindeer (Rangifer tarandus tarandus) 

      Klein, Jörn; Tryland, Morten (Journal article; Tidsskriftartikkel; Peer reviewed, 2005-09-05)
      Background: Two outbreaks of the disease contagious ecthyma were reported in 1999 and 2000 in Norwegian semi-domesticated reindeer (Rangifer tarandus tarandus). Contagious ecthyma is an epidermal disease of sheep and goats worldwide, which is caused by the zoonotic parapoxvirus orf virus. Characterisation of clinical samples from the two outbreaks in semi-domesticated reindeer in Norway by ...
    • Characterisation of the Plasmidome within Enterococcus faecalis Isolated from Marginal Periodontitis Patients in Norway 

      Song, Xiaobo; Sun, Jinglu; Mikalsen, Theresa; Roberts, Adam P.; Sundsfjord, Arnfinn (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      The present study aimed to identify and characterize plasmids in a national collection of oral Enterococcus faecalis (n = 106) isolated from patients with marginal periodontitis. Plasmid replicon typing was performed by multiplex-PCR and sequencing with specific primers for 18 rep-families and 1 unique sequence. Additional plasmid analysis by S1-PFGE was performed for comparison. Totally 120 plasmid ...
    • The characteristics of general practice and the attractiveness of working as a GP: medical students´ views 

      Landström, Björn; Mattsson, Bengt; Nordin, Per; Rudebeck, Carl Edvard (Journal article; Tidsskriftartikkel; Peer reviewed, 2014)
    • Characteristics of hepatitis C virus resistance in an international cohort after a decade of direct-acting antivirals 

      Howe, Anita Y.M.; Rodrigo, Chaturaka; Cunningham, Evan B.; Douglas, Mark W.; Dietz, Julia; Grebely, Jason; Popping, Stephanie; Sfalcin, Javier Alejandro; Parczewski, Milosz; Sarrazin, Christoph; de Salazar, Adolfo; Fuentes, Ana; Sayan, Murat; Quer, Josep; Kjellin, Midori; Kileng, Hege; Mor, Orna; Lennerstrand, Johan; Fourati, Slim; Di Maio, Velia Chiara; Chulanov, Vladimir; Pawlotsky, Jean-Michel; Harrigan, P. Richard; Ceccherini-Silberstein, Francesca; Garcia, Federico (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-02-24)
      Background & Aims: Direct-acting antiviral (DAA) regimens provide a cure in >95% of patients with chronic HCV infection. However, in some patients in whom therapy fails, resistance-associated substitutions (RASs) can develop, limiting retreatment options and risking onward resistant virus transmission. In this study, we evaluated RAS prevalence and distribution, including novel NS5A RASs and ...
    • Characterization and Fitness Cost of Tn7100, a Novel Integrative and Conjugative Element Conferring Multidrug Resistance in Haemophilus influenzae 

      Johannessen, Helene; Anthonisen, Inger Lill; Zecic, Nermin; Hegstad, Kristin; Ranheim, Trond Egil; Skaare, Dagfinn (Journal article; Tidsskriftartikkel, 2022-07-22)
      A multidrug-resistant (MDR) strain of Haemophilus influenzae, Hi-228, with phenotypic resistance toward ampicillin, cefotaxime, chloramphenicol, gentamicin, and azithromycin, was isolated in Oslo, Norway. The strain was part of a clonal outbreak (2016–2017) comprising five ST143 strains with identical resistotypes. Hi-228 carries a novel integrative and conjugative element (ICE), Tn7100, contributing ...
    • Characterization and pro-inflammatory responses of spore and hyphae samples from various mold species 

      Øya, Elisabeth; Afanou, Komlavi Anani; Malla, Nabin; Uhlig, Silvio; Rolen, Elin; Skaar, Ida; Straumfors, Anne; Winberg, Jan-Olof; Bang, Berit; Schwarze, Per E; Eduard, Wijnand; Holme, Jørn Andreas (Journal article; Tidsskriftartikkel; Manuskript; Peer reviewed; Preprint, 2017-09-18)
      Mold particles from <i>Aspergillus fumigatus, Penicillium chrysogenum, Aspergillus versicolor</i>, and <i>Stachybotrys chartarum</i> have been linked to respiratory‐related diseases. We characterized X‐ray‐inactivated spores and hyphae fragments from these species by number of particles, morphology, and mycotoxin, β‐glucan and protease content/activity. The pro‐inflammatory properties of mold particles ...
    • Characterization of mitochondrial mRNAs in codfish reveals unique features compared to mammals 

      Coucheron, Dag-Hugo; Nymark, Marianne; Breines, Ragna; Karlsen, Bård Ove; Andreassen, morten; Jørgensen, Tor Erik; Moum, Truls; Johansen, Steinar Daae (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
      Expression and processing of mitochondrial gene transcripts are fundamental to mitochondrial function, but information from early vertebrates like teleost fishes is essentially lacking. We have analyzed mitogenome sequences of ten codfishes (family Gadidae), and provide complete sequences from three new species (Saithe, Pollack and Blue whiting). Characterization of the mitochondrial mRNAs in Saithe ...
    • Characterization of novel precursor miRNAs using next generation sequencing and prediction of miRNA targets in Atlantic halibut 

      Bizuayehu, Teshome; Fernandes, Jorge; Johansen, Steinar Daae; Babiak, Igor (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      microRNAs (miRNAs) are implicated in regulation of many cellular processes. miRNAs are processed to their mature functional form in a step-wise manner by multiple proteins and cofactors in the nucleus and cytoplasm. Many miRNAs are conserved across vertebrates. Mature miRNAs have recently been characterized in Atlantic halibut (Hippoglossus hippoglossus L.). The aim of this study was to identify and ...
    • Chemical and Enzyme-Assisted Extraction of Fucoidan from two Species of Brown Macroalgae (Ascophyllum nodosum and Saccharina latissima) 

      Maribu, Ingrid; Arnesen, Jan-Arne; Elvevold, Kjetil; Haug, Tor (Conference object; Konferansebidrag, 2022)
      Macroalgae are vital species and are known to produce a wide range of bioactive compounds including polysaccharides, such as fucoidan. Traditionally, these compounds are extracted using hazardous solvents that leads to environmental pollution and waste. Considering this, more sustainable technologies are being investigated as greener alternatives.<p> <p>The main goal of this study was to ...
    • Chitinolytic enzymes contribute to the pathogenicity of Aliivibrio salmonicida LFI1238 in the invasive phase of cold-water vibriosis 

      Skåne, Anna; Edvardsen, Per Kristian Thorén; Cordara, Gabriele; Loose, Jennifer Sarah Maria; Leitl, Kira Daryl; Krengel, Ute; Sørum, Henning; Askarian, Fatemeh; Vaaje-Kolstad, Gustav (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-08-08)
      Background - Aliivibrio salmonicida is the causative agent of cold-water vibriosis in salmonids (Oncorhynchus mykiss and Salmo salar L.) and gadidae (Gadus morhua L.). Virulence-associated factors that are essential for the full spectrum of A. salmonicida pathogenicity are largely unknown. Chitin-active lytic polysaccharide monooxygenases (LPMOs) have been indicated to play roles in both chitin ...