Blar i tittel Artikler, rapporter og annet (medisinsk biologi)

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    • Primary rat LSECs preserve their characteristic phenotype after cryopreservation 

      Mönkemöller, Viola; Mao, Hong; Hubner, Wolfgang; Heimann, Peter; Levy, Gahl; Huser, Thomas; Kaltschmidt, Barbara; Kaltschmidt, Christian; Øie, Cristina Ionica (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-10-02)
      Liver disease is a leading cause of morbidity and mortality worldwide. Recently, the liver non-parenchymal cells have gained increasing attention for their potential role in the development of liver disease. Liver sinusoidal endothelial cells (LSECs), a specialized type of endothelial cells that have unique morphology and function, play a fundamental role in maintaining liver homeostasis. Current ...

    • Primærforebygging av hjerte- og karsykdom, med hovedvekt på medikamentelle tiltak 

      Håheim, Lise Lund; Njølstad, Inger; Fretheim, Atle; Brørs, Odd; Kjeldsen, Sverre E.; Kristiansen, Ivar Sønbø; Madsen, Steinar; Norheim, Ole Frithjof; Ose, Leiv; Svilaas, Arne; Flottorp, Signe Agnes; Thürmer, Hanne (Research report; Forskningsrapport, 2008)
      Kunnskapssenteret ble av Sosial- og helsedirektoratet (nå Helsedirektoratet) bedt om å gjennomføre en systematisk kunnskapsoppsummering om effekten av tiltak for primærforebygging av hjerte- og karsykdom. Arbeidet skulle benyttes som grunnlagsdokument for utarbeiding av nye nasjonale retningslinjer på feltet.Primary prevention of cardiovascular disease, with emphasis on pharmacological interventions

    • Pro-arrhythmic effect of escitalopram and citalopram at serum concentrations commonly observed in older patients – a study based on a cohort of 19,742 patients 

      Faraj, Pari; Størset, Elisabet; Hole, Kristine; Smith, Godfrey L; Molden, Espen; Dietrichs, Erik Sveberg (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-08-26)
      Background - For a decade, patients have been advised against using high citalopram- and escitalopram-doses due to risk for ventricular arrhythmia and cardiac arrest. Still, these drugs are widely used to treat depression and anxiety especially in older patients. It is unclear why they are cardiotoxic and at what serum concentrations patients are at risk for arrhythmias. Thus, how many patients that ...

    • Profiling of VEGFs and VEGFRs as prognostic factors in soft tissue sarcoma: VEGFR-3 is an independent predictor of poor prognosis 

      Smeland, E; Kilvær, Thomas Karsten; Valkov, Andrey Yurjevich; Sørbye, Sveinung Wergeland; Bremnes, Roy M.; Busund, Lill-Tove Rasmussen; Dønnem, Tom (Journal article; Tidsskriftartikkel; Peer reviewed, 2010)

    • Progesterone receptors in prostate cancer: Progesterone receptor B is the isoform associated with disease progression 

      Grindstad, Thea K.W.; Richardsen, Elin; Andersen, Sigve; Skjefstad, Kaja Konstanse; Rakaee, Mehrdad; Dønnem, Tom; Ness, Nora; Nordby, Yngve; Bremnes, Roy M.; Al-Saad, Samer; Busund, Lill-Tove (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-07-27)
      The role of steroid hormones in carcinogenesis of the prostate is to some extent unraveled thorough the effect of androgen deprivation therapy on prostate cancer (PCa) progression. Other members of the steroid hormone family, such as progesterone, are also implicated in PCa, but progesterone’s role remains undefined. This study aimed to examine the distribution of progesterone receptor isoforms ...

    • Prognostic biomarkers for immunotherapy with ipilimumab in metastatic melanoma 

      Nyakas, Marta Sølvi; Aamdal, Elin; Jacobsen, Kari Dolven; Guren, Tormod Kyrre; Aamdal, Steinar; Hagene, Kirsten Thorin; Brunsvig, Paal Fr.; Yndestad, Arne; Halvorsen, Bente; Tasken, Kristin Austlid; Aukrust, Pål; Mælandsmo, Gunhild Mari; Ueland, Thor (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-03-01)
      New therapies, including the anti‐cytotoxic T lymphocyte antigen (CTLA)‐4 antibody, ipilimumab, is approved for metastatic melanoma. Prognostic biomarkers need to be identified, because the treatment has serious side effects. Serum samples were obtained before and during treatment from 56 patients with metastatic or unresectable malignant melanoma, receiving treatment with ipilimumab in a national ...

    • Prognostic effect of intratumoral neutrophils across histological subtypes of non-small cell lung cancer 

      Rakaee, Mehrdad; Busund, Lill-Tove; Paulsen, Erna-Elise; Richardsen, Elin; Al-Saad, Samer; Andersen, Sigve; Dønnem, Tom; Bremnes, Roy M.; Kilvær, Thomas Karsten (Journal article; Tidsskriftartikkel; Peer reviewed, 2016)
      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 ...

    • The prognostic effect of KRAS mutations in non-small cell lung carcinoma revisited: A norwegian multicentre study 

      Wahl, Sissel Gyrid Freim; Hong, Yan Dai; Emdal, Elisabeth Fritzke; Berg, Thomas; Halvorsen, Tarje Onsøien; Ottestad, Anine Larsen; Lund-Iversen, Marius; Brustugun, Odd; Førde, Dagny; Paulsen, Erna-Elise; Donnem, Tom; Andersen, Sigve; Grønberg, Bjørn Henning; Richardsen, Elin (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-26)
      Background: due to emerging therapeutics targeting KRAS G12C and previous reports with conflicting results regarding the prognostic impact of KRAS and KRAS G12C in non-small cell lung cancer (NSCLC), we aimed to investigate the frequency of KRAS mutations and their associations with clinical characteristics and outcome. Since mutation subtypes have different preferences for downstream pathways, we ...

    • The prognostic impact of Akt isoforms, PI3K and PTEN related to female steroid hormone receptors in soft tissue sarcomas 

      Valkov, Andrey Yurjevich; Kilvær, Thomas Karsten; Sørbye, Sveinung Wergeland; Dønnem, Tom; Smeland, Eivind; Bremnes, Roy M.; Busund, Lill-Tove (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
      The PI3K/Akt pathway is involved in cellular survival pathways by inhibiting apoptotic processes and stimulating cell growth and proliferation. Its negative prognostic value has been proven in many types of cancer. In soft tissue sarcomas, the expression profiles of the PI3K/Akt pathway components are poorly defined and their significance uncertain. We aimed to investigate the prognostic impact of ...

    • Prognostic impact of CD57, CD68, M-CSF, CSF-1R, Ki67 and TGF-beta in soft tissue sarcomas 

      Sørbye, Sveinung Wergeland; Kilvær, Thomas Karsten; Valkov, Andrey Yurjevich; Dønnem, Tom; Smeland, Eivind; Al-Shibli, Khalid Ibrahim; Bremnes, Roy M.; Busund, Lill-Tove (Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
      BACKGROUND: Prognostic markers in curable STS may have the potential to guide therapy after surgical resection. The purpose of this study was to clarify the prognostic impact of the presence of cells and growth factors belonging to the innate immune system in soft tissue sarcomas (STS). The significance of macrophages (CD68), their growth factor macrophage colony-stimulating factor (M-CSF), its ...

    • Prognostic Impact of Fibroblast Growth Factor 2 in NSCLC : Co-Expression with VEGFR-3 and PDGF-B Predicts Poor Survival 

      Dønnem, Tom; Al-Shibli, Khalid; Al-Saad, Samer; Busund, Lill-Tove; Bremnes, Roy M. (Tidsskriftartikkel; Peer reviewed; Journal article, 2009-05)
      Purpose: Fibroblast growth factor 2 (FGF2; basic fibroblast growth factor, b-FGF) and its main receptor FGFR-1 are important in both hemangiogenesis and lymphangiogenesis. Murine studies have indicated a close interplay between both FGF2 and platelet-derived growth factor –B (PDGF-B) as well as FGF2 and vascular endothelial growth factor -3 (VEGFR-3). This study investigates the prognostic impact ...

    • Prognostic Impact of Jab1, p16, p21, p62, Ki67 and Skp2 in Soft Tissue Sarcomas 

      Sørbye, Sveinung Wergeland; Kilvær, Thomas Karsten; Valkov, Andrey Yurjevich; Dønnem, Tom; Smeland, Eivind; Al-Shibli, Khalid; Bremnes, Roy M.; Busund, Lill-Tove (Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
      Purpose The purpose of this study is to clarify the prognostic significance of expression of Jab1, p16, p21, p62, Ki67 and Skp2 in soft tissue sarcomas (STS). Optimised treatment of STS requires better identification of high risk patients who will benefit from adjuvant therapy. The prognostic significance of Jab1, p16, p21, p62, Ki67 and Skp2 in STS has not been sufficiently investigated. ...

    • Prognostic Impact of Lymphocytes in Soft Tissue Sarcomas 

      Sørbye, Sveinung Wergeland; Kilvær, Thomas Karsten; Valkov, Andrey Yurjevich; Dønnem, Tom; Smeland, Eivind; Al-Shibli, Khalid Ibrahim; Bremnes, Roy M.; Busund, Lill-Tove (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
      The purpose of this study was to clarify the prognostic significance of lymphocyte infiltration in soft tissue sarcomas (STS). Prognostic markers in potentially curable STS should guide therapy after surgical resection. The immune status at the time of resection may be important, but the prognostic significance of tumor infiltrating lymphocytes is controversial as the immune system has conflicting ...

    • Prognostic impact of peritumoral lymphocyte infiltration in soft tissue sarcomas 

      Sørbye, Sveinung Wergeland; Kilvær, Thomas Karsten; Valkov, Andrey Yurjevich; Dønnem, Tom; Smeland, Eivind; Al-Shibli, Khalid Ibrahim; Bremnes, Roy M.; Busund, Lill-Tove (Journal article; Tidsskriftartikkel; Peer reviewed, 2012)
      BACKGROUND: The purpose of this study was to clarify the prognostic significance of peritumoral lymphocyte infiltration in the capsule of soft tissue sarcomas (STS). Multiple observations in preclinical and clinical studies have shown that the immune system has a role in controlling tumor growth and progression. Prognostic markers in potentially curable STS should guide therapy after surgical ...

    • Prognostic impact of Skp2, ER and PGR in male and female patients with soft tissue sarcomas 

      Sørbye, Sveinung Wergeland; Kilvær, Thomas Karsten; Valkov, Andrey Yurjevich; Dønnem, Tom; Smeland, Eivind; Al-Shabli, Khalid; Bremnes, Roy M.; Busund, Lill-Tove (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      BACKGROUND: S-phase kinase-associated protein 2 (Skp2) is a member of mammalian F-box proteins. The purpose of this study is to clarify the prognostic significance of expression of Skp2 related to gender, estrogen receptor (ER) and progesterone receptor (PGR) in soft tissue sarcomas (STS). Optimized treatment of STS requires better identification of high-risk patients who will benefit from adjuvant ...

    • The Prognostic Impact of TGF-beta 1, Fascin, NF-kappa B and PKC-zeta Expression in Soft Tissue Sarcomas 

      Valkov, Andrey Yurjevich; Sørbye, Sveinung Wergeland; Kilvær, Thomas Karsten; Dønnem, Tom; Smeland, Eivind; Bremnes, Roy M.; Busund, Lill-Tove (Journal article; Tidsskriftartikkel; Peer reviewed, 2011)
      Transforming growth factor-β (TGF-β), fascin, nuclear factor-kappa B (NF-κB) p105, protein-kinase C-zeta (PKC-ζ), partioning-defective protein-6 (Par-6), E-cadherin and vimentin are tumor promoting molecules through mechanisms involved in cell dedifferentiation. In soft tissue sarcomas, their expression profile is poorly defined and their significance is uncertain. We aimed to investigate the ...

    • The prognostic role of immune checkpoint markers programmed cell death protein 1 (PD-1) and programmed death ligand 1 (PD-L1) in a large, multicenter prostate cancer cohort 

      Ness, Nora; Andersen, Sigve; Khanehkenari, Mehrdad Rakaee; Nordbakken, Cecilie V.; Valkov, Andre; Paulsen, Erna-Elise; Nordby, Yngve; Bremnes, Roy M.; Dønnem, Tom; Busund, Lill-Tove; Richardsen, Elin (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-03-01)
      Programmed cell death protein 1 (PD-1) and its ligand Programmed death ligand 1 (PD-L1) have gained massive attention in cancer research due to recent availability and their targeted antitumor effects. Their role in prostate cancer is still undetermined. We constructed tissue microarrays from prostatectomy specimens from 535 prostate cancer patients. Following validation of antibodies, ...

    • Prognostic value of absolute quantification of mutated KRAS in circulating tumour DNA in lung adenocarcinoma patients prior to therapy 

      Wahl, Sissel Gyrid Freim; Hong, Yan Dai; Emdal, Elisabeth Fritzke; Ottestad, Anine Larsen; Dale, Vibeke Grotnes; Richardsen, Elin; Halvorsen, Tarje Onsøien; Grønberg, Bjørn Henning (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-01-27)
      Droplet digital polymerase chain reaction (ddPCR) is a highly sensitive and accurate method for quantification of nucleic acid sequences. We used absolute quantification of mutated v‐Ki‐ras2 Kirsten rat sarcoma viral oncogene homology gene (KRAS) by ddPCR to investigate the prognostic role of mutated KRAS in patients with KRAS‐mutated lung adenocarcinomas. Pre‐treatment plasma samples from 60 patients ...

    • Prognostic Value of Macrophage Phenotypes in Resectable Non–Small Cell Lung Cancer Assessed by Multiplex Immunohistochemistry 

      Rakaee, Mehrdad; Busund, Lill-Tove; Jamaly, Simin; Paulsen, Erna-Elise; Richardsen, Elin; Andersen, Sigve; Al-Saad, Samer; Bremnes, Roy M.; Dønnem, Tom; Kilvær, Thomas Karsten (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-02-10)
      Macrophages are important inflammatory cells that regulate innate and adaptive immunity in cancer. Tumor-associated macrophages (TAMs) are thought to differentiate into two main phenotypes: proinflammatory M1 and protumorigenic M2. Currently, the prognostic impact of TAMs and their M1 and M2 phenotypes is unclear in non–small cell cancer (NSCLC). The present study was set up to evaluate an approach ...

    • Prognostic value of the MicroRNA regulators dicer and drosha in non-small-cell lung cancer: co-expression of Drosha and miR-126 predicts poor survival 

      Lønvik, Kenneth; Sørbye, Sveinung Wergeland; Nilsen, Marit Nina; Paulssen, Ruth H (Journal article; Tidsskriftartikkel; Peer reviewed, 2014-12-11)
      Dicer and Drosha are important enzymes for processing microRNAs. Recent studies have exhibited possible links between expression of different miRNAs, levels of miRNA processing enzymes, and cancer prognosis. We have investigated the prognostic impact of Dicer and Drosha and their correlation with miR-126 expression in a large cohort of non-small cell lung cancer (NSCLC) patients. We aimed to find ...