Viser treff 310-329 av 358

    • Signal transduction mechanisms involved in S100A4-induced activation of the transcription factor NF-kappa B 

      Grotterød, Ida; Mælandsmo, Gunhild; Pedersen, Kjetil Boye (Journal article; Tidsskriftartikkel; Peer reviewed, 2010)
    • Silica Nanoparticles - A Versatile Tool for the Treatment of Bacterial Infections 

      Selvarajan, Vanitha; Obuobi, Sybil Akua Okyerewa; Rachel Ee, Pui Lai (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-07-15)
      The rapid emergence of drug resistance continues to outpace the development of new antibiotics in the treatment of infectious diseases. Conventional therapy is currently limited by drug access issues such as low intracellular drug accumulations, drug efflux by efflux pumps and/or enzymatic degradation. To improve access, targeted delivery using nanocarriers could provide the quantum leap in intracellular ...
    • Simultaneous assessment of in vitro lipolysis and permeation in the mucus-PVPA model to predict oral absorption of a poorly water soluble drug in SNEDDSs 

      Falavigna, Margherita; Brurok, Sunniva; Klitgaard, Mette; Flaten, Gøril Eide (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-01-21)
      The prediction of the <i>in vivo</i> performance of self-nanoemulsifying drug delivery systems (SNEDDSs) is currently gaining increasing attention. Therefore, the need for reliable <i>in vitro</i> models able to assess the drug solubilization capacity of such formulations upon <i>in vitro</i> lipolysis, as well as to concomitantly evaluate <i>in vitro</i> drug permeation, has become ever so evident. ...
    • Smart delivery systems for microbial biofilm therapy: Dissecting design, drug release and toxicological features 

      Antunes De Sousa, Alexandra Sofia; Phung, Anna Ngoc; Skalko-Basnet, Natasa; Obuobi, Sybil Akua Okyerewa (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-01-18)
      Bacterial biofilms are highly protected surface attached communities of bacteria that typically cause chronic infections. To address their recalcitrance to antibiotics and minimise side effects of current therapies, smart drug carriers are being explored as promising platforms for antimicrobials. Herein, we briefly summarize recent efforts and considerations that have been applied in the design ...
    • Sonosensitive dioleoylphosphatidylethanolamine-containing liposomes with prolonged blood circulation time of doxorubicin 

      Evjen, Tove Julie; Brandl, Martin (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
      Ultrasound sensitive (sonosensitive liposomes) are drug delivery systems designed for releasing their drug load upon exposure to ultrasound (US). Inclusion of dioleoylphosphatidylethanolamine (DOPE) in liposome membranes was previously shown to induce sonosensitivity. For efficient US mediated drug delivery to solid tumours, a long blood circulation time of the liposomal drug providing high tumour ...
    • Spatial and temporal changes in the Barents Sea pelagic compartment during the recent warming 

      Eriksen, Elena; Skjoldal, Hein Rune; Gjøsæter, Harald; Primicerio, Raul (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-01-11)
      The Barents Sea has experienced substantial warming over the last few decades with expansion of relatively warm Atlantic water and reduction in sea ice. Based on a review of relevant literature and additional analyses, we report changes in the pelagic compartment associated with this warming using data from autumn surveys (acoustic capelin, 0-group fish, and ecosystem surveys). We estimated ...
    • Sprayable Carbopol hydrogel with soluble beta-1,3/1,6-glucan as an active ingredient for wound healing – Development and in-vivo evaluation 

      Grip, Jostein; Engstad, Rolf Einar; Skjærveland, Ingrid; Skalko-Basnet, Natasa; Holsæter, Ann Mari (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-06-21)
      Chronic wounds represent a significant health problem worldwide. There is a need for advanced- and cost-efficient wound healing products able to increase patient comfort and reduce the healing time. The aim of this study was to develop a sprayable hydrogel dressing with beta-glucan (βG) as the active ingredient, targeting future application in the treatment of both chronic and burn wounds. The βG ...
    • Stanozolol-N-glucuronide metabolites in human urine samples as suitable targets in terms of routine anti-doping analysis 

      Göschl, Lorenz; Gmeiner, Günter; Gärtner, Peter; Stadler, Georg; Enev, Valentin; Thevis, Mario; Schänzer, Wilhelm; Guddat, Sven; Forsdahl, Guro (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-06-05)
      The exogenous anabolic-androgenic steroid (AAS) stanozolol stays one of the most detected substances in professional sports. Its detection is a fundamental part of doping analysis, and the analysis of this steroid has been intensively investigated for a long time. This contribution to the detection of stanozolol doping describes for the first time the unambiguous proof for the existence of ...
    • Statement complementing the EFSA opinion on application EFSA GMO UK 2007 41 (cotton MON 88913 for food and feed uses, import and processing) taking into consideration updated bioinformatic analyses 

      Arpaia, Salvatore; Birch, Nicholas; Chesson, Andrew; du Jardin, Patrick; Gathmann, Achim; Gropp, Jürgen; Herman, Lieve; Hoen-Sorteberg, Hilde-Gunn; Jones, Huw; Kiss, József; Kleter, Gijs; Løvik, Martinus; Messean, Antoine; Naegeli, Hanspeter; Nielsen, Kåre Magne; Ovesna, Jaroslava; Perry, Joe; Rostoks, Nils; Tebbe, Christoph (Journal article; Tidsskriftartikkel; Peer reviewed, 2014)
    • Steady at the wheel: Conservative sex and the benefits of bacterial transformation 

      Ambur, Ole Herman; Engelstädter, Jan; Johnsen, Pål Jarle; Miller, Eric L.; Rozen, Daniel E. (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-09-12)
      Many bacteria are highly sexual, but the reasons for their promiscuity remain obscure. Did bacterial sex evolve to maximize diversity and facilitate adaptation in a changing world, or does it instead help to retain the bacterial functions that work right now? In other words, is bacterial sex innovative or conservative? Our aim in this review is to integrate experimental, bioinformatic and ...
    • A Stepwise Pharmacist-Led Medication Review Service in Interdisciplinary Teams in Rural Nursing Homes 

      Halvorsen, Kjell H.; Stadeløkken, Torunn; Garcia, Beate Hennie (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-11-05)
      <p><i>Background - </i>The provision of responsible medication therapy to old nursing home residents with comorbidities is a difficult task and requires extensive knowledge about optimal pharmacotherapy for different conditions. We describe a stepwise pharmacist-led medication review service in combination with an interdisciplinary team collaboration in order to identify, resolve, and prevent ...
    • Strong pathogen competition in neonatal gut colonisation 

      Mäklin, Tommi; Thorpe, Harry Arthur Frank Wright; Pöntinen, Anna Kaarina; Gladstone, Rebecca Ashley; Shao, Yan; Pesonen, Maiju; McNally, Alan; Johnsen, Pål Jarle; Samuelsen, Ørjan; Lawley, Trevor D.; Honkela, Antti; Corander, Jukka (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-12-01)
      Opportunistic bacterial pathogen species and their strains that colonise the human gut are generally understood to compete against both each other and the commensal species colonising this ecosystem. Currently we are lacking a population-wide quantification of strain-level colonisation dynamics and the relationship of colonisation potential to prevalence in disease, and how ecological factors ...
    • Structure-activity relationship studies of the aromatic positions in cyclopentapeptide CXCR4 antagonists 

      Mungalpara, Jignesh; Zachariassen, Zack George; Thiele, Stefanie; Rosenkilde, MM; Våbenø, Jon (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      The cyclopentapeptide CXCR4 antagonist FC131 (cyclo(-Arg1-Arg2-2-Nal3-Gly4-D-Tyr5-), 2; 2-Nal = 3-(2-naphthyl)alanine) represents an excellent starting point for development of novel drug-like ligands with therapeutic potential in HIV, cancer, stem-cell mobilization, inflammation, and autoimmune diseases. While the structure–activity relationships for Arg1, Arg2, and Gly4 are well established, less ...
    • Studies of synthetic chalcone derivatives as potential inhibitors of secretory phospholipase A&lt;sub&gt;2&lt;/sub&gt;, cyclooxygenases, lipoxygenase and pro-inflammatory cytokines 

      Jantan, Ibrahim; Bukhari, Syed Nasir Abbas; Adekoya, Olayiwola; Sylte, Ingebrigt (Journal article; Tidsskriftartikkel; Peer reviewed, 2014-09-16)
      Arachidonic acid metabolism leads to the generation of key lipid mediators which play a fundamental role during inflammation. The inhibition of enzymes involved in arachidonic acid metabolism has been considered as a synergistic anti-inflammatory effect with enhanced spectrum of activity. A series of 1,3-diphenyl-2-propen-1-one derivatives were investigated for anti-inflammatory related activities ...
    • Substitutions of short heterologous DNA segments of intragenomic or extragenomic origins produce clustered genomic polymorphisms 

      Harms, Klaus; Lunnan, Asbjørn; Hulter, Nils; Mourier, Tobias; Vinner, Lasse; Andam, Cheryl P; Marttinen, Pekka; Fridholm, Helena; Hansen, Anders Johannes; Hanage, William P; Nielsen, Kaare Magne; Willerslev, Eske; Johnsen, Pål Jarle (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-12-27)
      In a screen for unexplained mutation events we identified a previously unrecognized mechanism generating clustered DNA polymorphisms such as microindels and cumulative SNPs. The mechanism, short-patch double illegitimate recombination (SPDIR), facilitates short single-stranded DNA molecules to invade and replace genomic DNA through two joint illegitimate recombination events. SPDIR is controlled by ...
    • Subtype-specific response to bevacizumab is reflected in the metabolome and transcriptome of breast cancer xenografts 

      Borgan, Eldrid; Lindholm, Evita Maria; Moestue, Siver Andreas; Mælandsmo, Gunhild; Lingjærde, Ole Christian; Gribbestad, Ingrid S; Børresen-Dale, Anne-Lise; Engebråten, Olav; Sørlie, Therese (Journal article; Tidsskriftartikkel; Peer reviewed, 2012-10-23)
      <p>Antiangiogenic therapy with bevacizumab has shown varying results in breast cancer clinical trials. Identifying robust biomarkers for selecting patients who may benefit from such treatment and for monitoring response is important for the future use of bevacizumab.</p> <p>Two established xenograft models representing basal‐like and luminal‐like breast cancer were used to study bevacizumab ...
    • Successful co-encapsulation of benzoyl peroxide and chloramphenicol in liposomes by a novel manufacturing method - dual asymmetric centrifugation 

      Ingebrigtsen, Sveinung Gaarden; Skalko-Basnet, Natasa; Cavalcanti Jacobsen, Cristiane de Albuquerque; Holsæter, Ann Mari (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-16)
      Encapsulation of more than one active pharmaceutical ingredient into nanocarriers such as liposomes is an attractive approach to achieve a synergic drug effect and less complicated dosing schedules in multi-drug treatment regimes. Liposomal drug delivery in acne treatment may improve drug efficiency by targeted delivery to pilosebaceous units, reduce adverse effects and improve ...
    • A sudden and unprecedented increase in low dose naltrexone (LDN) prescribing in Norway. Patient and prescriber characteristics, and dispense patterns. A drug utilization cohort study 

      Raknes, Guttorm; Småbrekke, Lars (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-09-26)
      Purpose: Following a TV documentary in 2013, there was a tremendous increase in low dose naltrexone (LDN) use in a wide range of unapproved indications in Norway. We aim to describe the extent of this sudden and unprecedented increase in LDN prescribing, to characterize patients and LDN prescribers, and to estimate LDN dose sizes.<br> Methods: LDN prescriptions recorded in the Norwegian Prescription ...
    • Suitability of issuing sickness certificates in remote consultations during the COVID-19 pandemic. A mixed method study of GPs' experiences 

      Breivik, Elin; Kristiansen, Eli; Zanaboni, Paolo; Johansen, Monika Alise; Øyane, Nicolas Melchior Frederic; Bergmo, Trine Strand (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-11-20)
      Objective - To explore Norwegian GPs’ experiences with and perceived suitability of issuing sickness certifications in remote consultations during the COVID-19 pandemic.<p> <p>Design - We used a mixed methods research design. An online survey with 301 respondents was combined with qualitative interviews with ten GPs.<p> <p>Setting - Norwegian general practice.<p> <p>Results - Most GPs agreed ...
    • Synthesis of a novel tripeptidomimetic scaffold and biological evaluation for CXC chemokine receptor 4 (CXCR4) antagonism 

      Baumann, Markus; Nome, Lina Marie; Zachariassen, Zack Georg; Karlshøj, Stepfanie; Fossen, Torgils; Rosenkilde, Mette M.; Våbenø, Jon; Haug, Bengt Erik (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-05-17)
      We here report the preparation of a new 2,6,8-trisubstituted bicyclic tripeptidomimetic scaffold through TFA-mediated cyclization of a linear precursor containing three side chains. The introduction of a triphenylmethyl-protected thiol into carboxylic acid containing building blocks through sulfa Michael additions onto α,β-unsaturated hexafluoroisopropyl esters is described. The stereoselectivity ...