Viser treff 141-160 av 1154

    • Dietary chlorpyrifos-methyl exposure impair transcription of immune-, detoxification- and redox signaling genes in leukocytes isolated from cod (Gadus morhua) 

      Holen, Elisabeth; Espe, Marit; Larsen, Anett Kristin; Olsvik, Pål Asgeir (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-07-05)
      Inclusion of new environmental toxicants increase with the amount of plant ingredients substituting marine proteins and oils in feed for farmed Atlantic salmon (Salma salar). Agricultural pesticides like chlorpyrifos-methyl, present in commercial salmon feeds, may affect salmon immune and detoxification responses. Atlantic cod (Gadus morhua), surrounding the net pens, grazing on feces and uneaten ...
    • NORM/NORM-VET 2021: Usage of Antimicrobial Agents and Occurrence of Antimicrobial Resistance in Norway 

      Akselsen, Per Espen; Andersen, Cecilie Torp; Caugant, Dominique Andree Yvette; Dansie, Live Storehagen; Elstrøm, Petter (Research report; Forskningsrapport, 2022)
      Veterinærinstituttet overvåker forekomst av antibiotikaresistens i mikrober fra fôr, dyr og næringsmidler på oppdrag fra Mattilsynet. Dette gjøres i regi av NORM-VET, som er forkortelse for «Norsk overvåkingsprogram for antibiotikaresistens i mikrober fra fôr, dyr og næringsmidler». Data fra NORM-VET publiseres i den årlige NORM/NORM-VET rapporten som presenterer data om forekomst av antibiotikaresistens ...
    • p62 and NDP52 Proteins Target Intracytosolic Shigella and Listeria to Different Autophagy Pathways 

      Mostowy, Serge; Sancho-Shimizu, Vanessa; Hamon, Mélanie Anne; Simeone, Roxane; Brosch, Roland; Johansen, Terje; Cossart, Pascale (Journal article; Tidsskriftartikkel; Peer reviewed, 2011-06-06)
      Autophagy is an important mechanism of innate immune defense. We have recently shown that autophagy components are recruited with septins, a new and increasingly characterized cytoskeleton component, to intracytosolic Shigella that have started to polymerize actin. On the other hand, intracytosolic Listeria avoids autophagy recognition by expressing ActA, a bacterial effector required for actin ...
    • Factors shaping initial decision-making to self-test amongst cohabiting couples in urban Blantyre, Malawi 

      Kumwenda, Moses; Munthali, Alister; Phiri, Mackwellings; Mwale, Daniel; Gutteberg, Tore Jarl; MacPherson, Eleanor; Theobald, Sally J.; Corbett, Liz; Desmond, Nicola (Journal article; Tidsskriftartikkel; Peer reviewed, 2014-06-15)
      In sub-Saharan Africa, most new HIV infections occur in stable relationships, making couples testing an important intervention for HIV prevention. We explored factors shaping the decision-making of cohabiting couples who opted to self-test in Blantyre, Malawi. Thirty-four self-tested participants (17 couples) were interviewed. Motivators for HIV self-testing (HIVST) emerged at three main levels. ...
    • Establishment of an advanced flow cytometry protocol for analyzing immune cell subsets from lung cancer patients 

      Beyene, Sweet Yibio (Mastergradsoppgave; Master thesis, 2022-08-22)
      Lymphocytes are known for their role in tumor promotion and tumor suppression. T cell infiltration of the tumor microenvironment has been linked to a better prognosis and outcome in various malignancies. CD8+ T cells can eliminate cancer cells by causing them to lyse, while CD4+ T cells can be both tumor promoting and tumor suppressing. However, the prognostic impact of functional lymphocyte subtypes ...
    • Improving public cancer care by implementing precision medicine in Norway: IMPRESS-Norway 

      Helland, Åslaug; Russnes, Hege Elisabeth Giercksky; Fagereng, Gro Live; Al-Shibli, Khalid Ibrahim; Andersson, Yvonne; Berg, Thomas; Bjørge, Line; Blix, Egil Støre; Bjerkehagen, Bodil; Brabrand, Sigmund; CAMERON, MARTE; Dalhaug, Astrid; Dietzel, Dalia; Dønnem, Tom; Enerly, Espen; Flobak, Åsmund; Fluge, Sverre; Gilje, Bjørnar; Gjertsen, Bjørn Tore; Grønberg, Bjørn Henning; Grønås, Kari; Guren, Tormod Kyrre; Hamre, Hanne Mari; Haug, Åse; Heinrich, Daniel; Hjortland, Geir Olav; Hovig, Eivind; Hovland, Randi; Iversen, Ann-Charlotte; Janssen, Emiel; Kyte, Jon A; Gythfeldt, Hedda; Lothe, Ragnhild Adelheid; Lund, Jo-Åsmund; Meza, Leonardo Zepeda; Munthe-Kaas, Monica Cheng; Nguyen, Olav Toai Duc; Niehusmann, Pitt; Nilsen, Hilde; Puco, Katarina; Ree, Anne Hansen; Riste, Tonje Bøyum; Semb, Karin; Steinskog, Eli Sihn Samdal; Stensvold, Andreas; Suhrke, Pål; Tennøe, Øyvind Krohn; Tjønnfjord, Geir Erland; Vassbotn, Liv Jorunn; Aas, Eline; Aasebø, Kristine Øverås; Tasken, Kjetil; Smeland, Sigbjørn (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-05-14)
      Background: Matching treatment based on tumour molecular characteristics has revolutionized the treatment of some cancers and has given hope to many patients. Although personalized cancer care is an old concept, renewed attention has arisen due to recent advancements in cancer diagnostics including access to high-throughput sequencing of tumour tissue. Targeted therapies interfering with cancer ...
    • The effect of Riociguat on cardiovascular function and efficiency in healthy, juvenile pigs 

      Næsheim, Torvind; How, Ole-Jakob; Myrmel, Truls (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-09-12)
      <p><i>Introduction - </i>Riociguat is a soluble guanylate cyclase stimulator approved for the treatment of pulmonary hypertension. Its effect on cardiometabolic efficiency is unknown. A potential cardiac energy sparing effect of this drug could imply a positive prognostic effect, particularly in patients with right heart failure from pulmonary hypertension. <p><i>Method - </i>We infused Riociguat ...
    • Structural basis for PoxtA-mediated resistance to phenicol and oxazolidinone antibiotics 

      Crowe-McAuliffe, Caillan; Murina, Victoriia; Turnbull, Kathryn Jane; Huch, Susanne; Kasari, Marje; Takada, Hiraku; Nersisyan, Lilit; Sundsfjord, Arnfinn; Hegstad, Kristin; Atkinson, Gemma C.; Pelechano, Vicent; Wilson, Daniel N.; Hauryliuk, Vasili (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-04-06)
      PoxtA and OptrA are ATP binding cassette (ABC) proteins of the F subtype (ABCF). They confer resistance to oxazolidinone and phenicol antibiotics, such as linezolid and chloramphenicol, which stall translating ribosomes when certain amino acids are present at a defined position in the nascent polypeptide chain. These proteins are often encoded on mobile genetic elements, facilitating their rapid ...
    • miR-101-5p Acts as a Tumor Suppressor in HER2-Positive Breast Cancer Cells and Improves Targeted Therapy 

      Normann, Lisa Svartdal; Haugen, Mads Haugland; Aure, Miriam Ragle; Kristensen, Vessela N.; Mælandsmo, Gunhild Mari; Sahlberg, Kristine Kleivi (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-01)
      Purpose: Human epidermal growth factor receptor 2 positive (HER2+) breast cancers responding poorly to targeted therapy need improved treatment options. miR-101-5p has shown tumor-suppressive properties in multiple cancer forms, and we assessed the effect and mechanism of action of this miRNA in HER2+ breast cancer.<p> <p>Methods: Expression levels of miR-101-5p in two clinical datasets, TCGA and ...
    • The Interaction Between Venous Thromboembolism and Socioeconomic Status on the Risk of Disability Pension 

      Jørgensen, Helle; Horváth-Puhó, Erzsébet; Laugesen, Kristina; Brækkan, Sigrid Kufaas; Hansen, John Bjarne; Sørensen, Henrik Toft (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-04-14)
      Background: Venous thromboembolism (VTE) is associated with increased risk of disability pension. How socioeconomic status (SES) impacts the risk of disability pension after a VTE is unknown. The aim of this nationwide population based cohort study to investigate the interaction between SES and incident VTE on the risk of subsequent disability pension.<p> <p>Methods: Using Danish national medical ...
    • 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 ...
    • 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 ...
    • Pericyte, but not astrocyte, hypoxia inducible factor-1 (HIF-1) drives hypoxia-induced vascular permeability in vivo 

      Baumann, Julia; Tsao, Chih-Chieh; Patkar, Shalmali; Huang, Sheng-Fu; Francia, Simona; Magnussen, Synnøve Norvoll; Gassmann, Max; Vogel, Johannes; Köster-Hegmann, Christina; Ogunshola, Omolara O. (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-01-15)
      Background: Ways to prevent disease-induced vascular modifcations that accelerate brain damage remain largely elusive. Improved understanding of perivascular cell signalling could provide unparalleled insight as these cells impact vascular stability and functionality of the neurovascular unit as a whole. Identifying key drivers of astrocyte and pericyte responses that modify cell–cell interactions ...
    • The human polyomavirus KI: A study on cell permissivity, sub-cellular localization of VP1 and presence in cerebrospinal fluid and urine 

      Ludvigsen, Maria A. (Master thesis; Mastergradsoppgave, 2011-11-17)
      KI polyomavirus (KIPyV) is a relatively newly discovered human polyomavirus originally identified in respiratory tract samples. Little is known about the route of infection or transmission, and the pathogenic properties of this virus are virtually unknown. The life cycle of KIPyV has not been studied as a permissive cell system has not been identified so far. The bona fide sites of viral replication ...
    • Longitudinal changes in blood biomarkers and their ability to predict type 2 diabetes mellitus—The Tromsø study 

      Allaoui, Giovanni; Rylander, Charlotta; Averina, Maria; Wilsgaard, Tom; Fuskevåg, Ole Martin; Berg, Vivian (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-02-11)
      Introduction: Identification of individuals at high risk of developing type 2 diabetes mellitus (T2DM) is important for early prevention of the disease. Once T2DM is established, it is difficult to treat and is associated with cardiovascular complications and increased mortality. We aimed to describe pre- and post-diagnostic changes in blood biomarker concentrations over 30 years in individuals ...
    • Serglycin is Involved in TGF-β induced epithelial-mesenchymal transition and is highly expressed by immune cells in breast cancer tissue 

      Tellez Gabriel, Marta; Tekpli, Xavier; Reine, Trine M.; Hegge, Beate; Nielsen, Stephanie Rose; Chen, Meng; Moi, Line; Normann, Lisa Svartdal; Rasmussen Busund, Lill-Tove; Calin, George A.; Mælandsmo, Gunhild Mari; Perander, Maria; Theocharis, Achilleas D.; Kolset, Svein Olav; Knutsen, Erik (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-04-14)
      Serglycin is a proteoglycan highly expressed by immune cells, in which its functions are linked to storage, secretion, transport, and protection of chemokines, proteases, histamine, growth factors, and other bioactive molecules. In recent years, it has been demonstrated that serglycin is also expressed by several other cell types, such as endothelial cells, muscle cells, and multiple types of ...
    • Prevalence of MCPyV, HPyV6, HPyV7 and TSPyV in Actinic Keratosis Biopsy Specimens 

      Prezioso, Carla; Brazzini, Gabriele; Passerini, Sara; Di Fabio, Carlotta; Cosio, Terenzio; Bernardini, Sergio; Campione, Elena; Moens, Ugo; Pietropaolo, Valeria; Ciotti, Marco (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-02-18)
      To date, 14 human polyomaviruses (HPyVs) have been identified using high-throughput technologies. Among them, MCPyV, HPyV6, HPyV7 and TSPyV present a skin tropism, but a causal role in skin diseases has been established only for MCPyV as a causative agent of Merkel cell carcinoma (MCC) and TSPyV as an etiological agent of Trichodysplasia Spinulosa (TS). In the search for a possible role for ...
    • Evidence for association of Vibrio echinoideorum with tissue necrosis on test of the green sea urchin Strongylocentrotus droebachiensis 

      Hira, Jonathan; Stensvåg, Klara (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-22)
      “Sea urchin lesion syndrome” is known as sea urchin disease with the progressive development of necrotic epidermal tissue and loss of external organs, including appendages on the outer body surface. Recently, a novel strain, Vibrio echinoideorum has been isolated from the lesion of green sea urchin (Strongylocentrotus droebachiensis), an economically important mariculture species in Norway. V. ...
    • The Merkel Cell Polyomavirus T-Antigens and IL-33/ST2-IL1RAcP Axis: Possible Role in Merkel Cell Carcinoma 

      Rasheed, Kashif; Moens, Ugo; policastro, benedetta; Johnsen, John Inge; Koljonen, Virve; Sihto, Harri; Lui, Weng-Onn; Sveinbjørnsson, Baldur (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-28)
      Merkel cell polyomavirus (MCPyV) is a causal factor in Merkel cell carcinoma (MCC). The oncogenic potential is mediated through its viral oncoproteins large T-antigen (LT) and small T-antigen (sT). Cytokines produced by tumor cells play an important role in cancer pathogenesis, and viruses affect their expression. Therefore, we compared human cytokine and receptor transcript levels in virus ...
    • Predicting eye and hair colour in a Norwegian population using Verogen’s ForenSeq™ DNA signature prep kit 

      Salvo, Nina Mjølsnes; Janssen, Kirstin; Kirsebom, Maria Kristine; Meyer, Olivia Strunge; Berg, Thomas; Olsen, Gunn-Hege (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-10-24)
      Prediction of eye and hair colour from DNA can be an important investigative tool in forensic cases if conventional DNA profiling fails to match DNA from any known suspects or cannot obtain a hit in a DNA database. The HIrisPlex model for simultaneous eye and hair colour predictions was developed for forensic usage. To genotype a DNA sample, massively parallel sequencing (MPS) has brought new ...