Now showing items 141-160 of 1059

    • 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 ...
    • 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 ...
    • 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 ...
    • From fixed-dried to wet-fixed to live-comparative super-resolution microscopy of liver sinusoidal endothelial cell fenestrations 

      Szafranska, Karolina; Neuman, Tanja; Baster, Zbigniew; Rajfur, Zenon; Szelest, Oskar; Holte, Christopher Florian; Kubisiak, Agata; Kus, Edyta; Wolfson, Deanna; Chlopicki, Stefan; Ahluwalia, Balpreet Singh; Lekka, Malgorzata; Szymonski, Marek; McCourt, Peter Anthony; Zapotoczny, Barlomiej (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-04-20)
      Fenestrations in liver sinusoidal endothelial cells (LSEC) are transcellular nanopores of 50–350 nm diameter that facilitate bidirectional transport of solutes and macromolecules between the bloodstream and the parenchyma of the liver. Liver diseases, ageing, and various substances such as nicotine or ethanol can negatively influence LSECs fenestrations and lead to defenestration. Over the years, ...
    • Disassembly and Mislocalization of AQP4 in Incipient Scar Formation after Experimental Stroke 

      Banitalebi, Shervin; Skauli, Nadia; Geiseler, Samuel; Ottersen, Ole Petter; Amiry-Moghaddam, Mahmood (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-01-20)
      There is an urgent need to better understand the mechanisms involved in scar formation in the brain. It is well known that astrocytes are critically engaged in this process. Here, we analyze incipient scar formation one week after a discrete ischemic insult to the cerebral cortex. We show that the infarct border zone is characterized by pronounced changes in the organization and subcellular ...
    • AXL inhibition improves BRAF-targeted treatment in melanoma 

      Nyakas, Marta Sølvi; Fleten, Karianne Giller; Haugen, Mads Haugland; Engedal, Nikolai; Sveen, Christina; Farstad, Inger Nina; Flørenes, Vivi Ann; Prasmickaite, Lina; Mælandsmo, Gunhild Mari; Vasiliauskaite, Kotryna (Journal article; Tidsskriftartikkel; Peer reviewed, 2022)
      More than half of metastatic melanoma patients receiving standard therapy fail to achieve a long-term survival due to primary and/or acquired resistance. Tumor cell ability to switch from epithelial to a more aggressive mesenchymal phenotype, attributed with AXL<sup>high</sup> molecular profle in melanoma, has been recently linked to such event, limiting treatment efcacy. In the current study, ...
    • Supplementation with a probiotic mixture accelerates gut microbiome maturation and reduces intestinal inflammation in extremely preterm infants 

      Samara, Jumana; Moossavi, Shirin; Alshaikh, Belal; Ortega, Van A.; Pettersen, Veronika K.; Ferdous, Tahsin; Hoops, Suzie L.; Soraisham, Amuchou; Vayalumkal, Joseph; Dersch-Mills, Deonne; Gerber, Jeffrey S.; Mukhopadhyay, Sagori; Puopolo, Karen; Tompkins, Thomas A.; Knights, Dan; Walter, Jens; Amin, Harish; Arrieta, Marie-Claire (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-05-11)
      Probiotics are increasingly administered to premature infants to prevent necrotizing enterocolitis and neonatal sepsis. However, their effects on gut microbiome assembly and immunity are poorly understood. Using a randomized intervention trial in extremely premature infants, we tested the effects of a probiotic product containing four strains of Bifidobacterium species autochthonous to the infant ...
    • Blood Transcriptome Analysis of Septic Patients Reveals a Long Non-Coding Alu-RNA in the Complement C5a Receptor 1 Gene 

      Emblem, Åse; Knutsen, Erik; Jørgensen, Tor Erik; Fure, Hilde; Johansen, Steinar Daae; Brekke, Ole Lars; Mollnes, Tom Eirik; Karlsen, Bård Ove (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-29)
      Many severe inflammation conditions are complement-dependent with the complement component C5a-C5aR1 axis as an important driver. At the RNA level, the blood transcriptome undergoes programmed expression of coding and long non-coding RNAs to combat invading microorganisms. Understanding the expression of long non-coding RNAs containing Alu elements in inflammation is important for reconstructing ...
    • Functional Domains of the Early Proteins and Experimental and Epidemiological Studies Suggest a Role for the Novel Human Polyomaviruses in Cancer 

      Moens, Ugo; Prezioso, Carla; Pietropaolo, Valeria (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-02-18)
      As their name indicates, polyomaviruses (PyVs) can induce tumors. Mouse PyV, hamster PyV and raccoon PyV have been shown to cause tumors in their natural host. During the last 30 years, 15 PyVs have been isolated from humans. From these, Merkel cell PyV is classified as a Group 2A carcinogenic pathogen (probably carcinogenic to humans), whereas BKPyV and JCPyV are class 2B (possibly carcinogenic ...
    • Oral health related quality of life in long-term survivors of head and neck cancer compared to a general population from the seventh Tromsø study 

      Andreassen, Renate Harriet; Jönsson, Birgitta; Hadler-Olsen, Elin Synnøve (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-30)
      Background: Both the incidence and survival rate of head and neck cancer (HNC) is increasing, making quality of life of HNC survivors an important issue.<p> <p>Methods: In this cross-sectional study we compared the oral health related quality of life (OHRQoL) of long-term HNC survivors to that of a general population cohort from the seventh survey of the Tromsø study with the Oral Impact on Daily ...
    • The Hematology of Tomorrow Is Here-Preclinical Models Are Not: Cell Therapy for Hematological Malignancies 

      Arranz, Lorena (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-01-24)
      The purpose of this review is to present the current knowledge on the clinical use of several forms of cell therapy in hematological malignancies and the preclinical models available for their study. In the context of allogeneic hematopoietic stem cell transplants, mesenchymal stromal cells are pursued to help stem cell engraftment and expansion, and control graft versus host disease. We further ...
    • Exercise training combined with calanus oil supplementation improves the central cardiodynamic function in older women 

      Štěpán, Marek; Dad’ová, Klára; Matouš, Miloš; Krauzová, Eva; Sontáková, Lenka; Koc, Michal; Larsen, Terje; Kuda, Ondrej; Štich, Vladimír; Rossmeislová, Lenka; Šiklová, Michaela (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-12-29)
      The aim of this study was to investigate the possible beneficial effects of exercise training (ET) with omega-3/Calanus oil supplementation on cardiorespiratory and adiposity parameters in elderly women. Fifty-five women (BMI: 19–37 kg/m<sup>2</sup> , 62–80 years old) were recruited and randomly assigned to the 4 month intervention with ET and omega-3 supplementation (Calanus oil, ET-Calanus) ...
    • Novel chemical-physical autopsy investigation in sudden infant death and sudden intrauterine unexplained death syndromes 

      Gatti, Antonietta M; Ristic, Marko; Stanzani, Stefano; Lavezzi, Anna M (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-02-08)
      Aim: Verify the presence of inorganic nanoparticle entities in brain tissue samples from sudden infant death syndrome (SIDS)/sudden intrauterine unexplained death syndrome (SIUDS) cases. The presence of inorganic debris could be a cofactor that compromises proper brain tissue functionality. Materials & methods: A novel autopsy approach that consists of neuropathological analysis procedures ...
    • Blood Transcriptome Analysis of Septic Patients Reveals a Long Non-Coding Alu-RNA in the Complement C5a Receptor 1 Gene 

      Emblem, Åse; Knutsen, Erik; Jørgensen, Tor Erik; Fure, Hilde; Johansen, Steinar Daae; Brekke, Ole Lars; Mollnes, Tom Eirik; Karlsen, Bård Ove (Journal article; Tidsskriftartikkel; Peer reviewed, 2022-03-29)
      Many severe inflammation conditions are complement-dependent with the complement component C5a-C5aR1 axis as an important driver. At the RNA level, the blood transcriptome undergoes programmed expression of coding and long non-coding RNAs to combat invading microorganisms. Understanding the expression of long non-coding RNAs containing Alu elements in inflammation is important for reconstructing ...