Blar i forfatter "Richardsen, Elin"

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    • Isoflurane increases tolerance to renal ischemia reperfusion injury compared to propofol: An experimental study in pigs 

      Roaldsen, Marius Håke; Ciosek, Timothy Allan; Richardsen, Elin; Al-Saad, Samer; Patel, Hitendra R.H.; Aarsæther, Erling Johan (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-07-09)
      <i>Purpose</i>: To compare two clinically relevant anesthetic agents, i.e., isoflurane versus propofol with respect to protection of the kidney in a porcine renal ischemia reperfusion model. <p> <p><i>Materials and Methods</i>: 14 hybrid pigs were randomized to anesthesia with either isoflurane or propofol prior to laparoscopic surgery. Following anesthesia, the left kidney hilum was clamped for ...

    • The Longitudinal Course of Prospectively Recorded Patient-reported Outcomes in Prostate Cancer Patients Treated with Surgery and Salvage Radiotherapy 

      Hjelle, Line Veronika; Sælen, Marie; Aarsæther, Erling Johan; Knutsen, Tore; Andersen, Sigve; Bentzen, Anne Gry; Richardsen, Elin; Wilsgaard, Tom; Fosså, Sophie Dorothea; Haugnes, Hege Sagstuen (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-05-13)
      Background - Patient-reported outcome measures (PROMs) after prostate cancer (PC) treatment, including both radical prostatectomy (RP) and salvage radiation therapy (SRT), are under-reported.<p> <p>Objective - To investigate PROMs longitudinally from before SRT until 18 mo after SRT for men treated with contemporary treatment modalities.<p> <p>Design, setting, and participants - This prospective, ...

    • Low Expression of miR-424-3p is Highly Correlated with Clinical Failure in Prostate Cancer 

      Richardsen, Elin; Andersen, Sigve; Al-Saad, Samer; Rakaee, Mehrdad; Nordby, Yngve; Pedersen, Mona Irene; Ness, Nora; Ingebriktsen, Lise; Fassina, Ambrogio; Tasken, Kristin Austlid; Millls, Ian; Dønnem, Tom; Bremnes, Roy M.; Rasmussen Busund, Lill-Tove (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-07-23)
      Prostate cancer (PC) is a highly heterogenous disease and one of the leading causes of mortality in developed countries. Recently, studies have shown that expression of immune checkpoint proteins are directly or indirectly repressed by microRNAs (miRs) in many types of cancers. The great advantages of using miRs based therapy is the capacity of these short transcripts to target multiple molecules ...

    • Machine learning-based immune phenotypes correlate with STK11/KEAP1 co-mutations and prognosis in resectable NSCLC: a sub-study of the TNM-I trial 

      Rakaee, Mehrdad; Andersen, S.; Giannikou, K.; Paulsen, Erna-Elise; Kilvær, Thomas Karsten; Rasmussen Busund, Lill-Tove; Berg, Thomas; Richardsen, Elin; Lombardi, Ana Paola; Adib, E.; Pedersen, Mona Irene; Tafavvoghi, Masoud; Wahl, Sissel Gyrid Freim; Petersen, R.H.; Bondgaard, A.L.; Yde, C.W.; Baudet, C.; Licht, P.; Lund-Iversen, Marius; Grønberg, Bjørn Henning; Fjellbirkeland, Lars; Helland, Åslaug; Pøhl, M.; Kwiatkowski, D.J.; Dønnem, Tom (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-04-24)
      Background - We aim to implement an immune cell score model in routine clinical practice for resected non-small-cell lung cancer (NSCLC) patients (NCT03299478). Molecular and genomic features associated with immune phenotypes in NSCLC have not been explored in detail.<p> <p>Patients and methods - We developed a machine learning (ML)-based model to classify tumors into one of three categories: ...

    • MicroRNA 141 is associated to outcome and aggressive tumor characteristics in prostate cancer 

      Richardsen, Elin; Andersen, Sigve; Melbø-Jørgensen, Christian; Rakaee, Mehrdad; Ness, Nora; Al-Saad, Samer; Nordby, Yngve; Pedersen, Mona Irene; Dønnem, Tom; Bremnes, Roy M.; Rasmussen Busund, Lill-Tove (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-01-23)
      A large number of miRNAs influence key cellular processes involved in prostate tumorigenesis. Previous studies have demonstrated high expression of miRNAs in human prostate cancer (PC) tissues and cell lines. In previous microarray data, we found miR-141 to be upregulated and miR-145 to be downregulated in PC. In this large PC cohort (n = 535), we explored the prognostic role of miR-141 and miR-145 ...

    • Monocarboxylate transporters 1-4 in NSCLC: MCT1 is an independent prognostic marker for survival 

      Eilertsen, Marte; Andersen, Sigve; Al-Saad, Samer; Kiselev, Yury; Dønnem, Tom; Stenvold, Helge; Pettersen, Ingvild; Al-Shibli, Khalid; Richardsen, Elin; Busund, Lill-Tove; Bremnes, Roy M. (Journal article; Tidsskriftartikkel; Peer reviewed, 2014)

    • A novel non-canonical Wnt signature for prostate cancer aggressiveness 

      Sandsmark, Elise; Hansen, Ailin Falkmo; Selnæs, Kirsten Margrete; Bertilsson, Helena; Bofin, Anna M.; Wright, Alan J.; Viset, Trond; Richardsen, Elin; Drabløs, Finn Sverre; Bathen, Tone Frost; Tessem, May-Britt; Rye, Morten Beck (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-12-24)
      Activation of the Canonical Wnt pathway (CWP) has been linked to advanced and metastatic prostate cancer, whereas the Wnt5a-induced non-canonical Wnt pathway (NCWP) has been associated with both good and poor prognosis. A newly discovered NCWP, Wnt5/Fzd2, has been shown to induce epithelial-to-mesenchymal transition (EMT) in cancers, but has not been investigated in prostate cancer. The aim of this ...

    • Overexpression of miR-20a-5p in Tumor Epithelium Is an Independent Negative Prognostic Indicator in Prostate Cancer — A Multi-Institutional Study 

      Stoen, Maria J.; Andersen, Sigve; Rakaee, Mehrdad; Pedersen, Mona I.; Ingebriktsen, Lise M.; Donnem, Tom; Lombardi, Ana P. G.; Kilvaer, Thomas K.; Busund, Lill-Tove R.; Richardsen, Elin (Master thesis; Mastergradsoppgave; Journal article; Tidsskriftartikkel; Peer reviewed, 2022-10-26)
      <p><i>Background:</i> MicroRNAs (miRs) have critical regulatory roles in cell functions, and are involved in prostate cancer tumorigenesis. miR-20a-5p is a member of the oncogenic miR-17-92 cluster. Overexpressed miR-20a-5p has been shown to increase both cell proliferation and cell migration in cancers. The aim of our cohort study was to evaluate the prognostic role of miR-20a-5p in prostate cancer. ...

    • Overexpression of mir-20a-5p in tumor epithelium is an independent negative prognostic indicator in prostate cancer—a multi-institutional study 

      Stoen, Maria J.; Andersen, Sigve; Rakaee, Mehrdad; Pedersen, Mona I.; Ingebriktsen, Lise M.; Dønnem, Tom; Lombardi, Ana P. G.; Kilvaer, Thomas K.; Rasmussen Busund, Lill-Tove; Richardsen, Elin (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-08-14)
      <i>Objective</i>: assessing the prognostic role of miR-20a-5p, in terms of clinical outcome, in a large multi-institutional cohort study.<br><br> <i>Methods</i>: Tissue microarrays from 535 patients’ prostatectomy specimens were constructed. In situ hybridization was performed to assess the expression level of miR-20a-5p in different tissue subregions: tumor stroma (TS) and tumor epithelium (TE). ...

    • Patient-reported outcomes after curative treatment for prostate cancer with prostatectomy, primary radiotherapy or salvage radiotherapy 

      Sælen, Marie Grøn; Hjelle, Line Veronika; Aarsæther, Erling Johan; Knutsen, Tore; Andersen, Sigve; Bentzen, Anne Gry; Richardsen, Elin; Fosså, Sophie Dorothea; Haugnes, Hege Sagstuen (Journal article; Tidsskriftartikkel; Peer reviewed, 2023-06-24)
      Trials reporting adverse health outcomes (AHOs) in terms of patient-reported outcome measures (PROMs) after contemporary curative treatment of prostate cancer (PC) are hampered by study heterogeneity and lack of new treatment techniques. Particularly, the evidence regarding toxicities after radiotherapy (RT) with the volumetric arc therapy (VMAT) technique is limited, and comparisons between men ...

    • Presence of TMPRSS2-ERG is associated with alterations of the metabolic profile in human prostate cancer 

      Hansen, Ailin Falkmo; Sandsmark, Elise; Rye, Morten Beck; Wright, Alan J; Bertilsson, Helena; Richardsen, Elin; Viset, Trond; Bofin, Anna M.; Angelsen, Anders; Selnæs, Kirsten Margrete; Bathen, Tone Frost; Tessem, May-Britt (Tidsskriftartikkel; Peer reviewed; Journal article, 2016-06-03)
      TMPRSS2-ERG has been proposed to be a prognostic marker for prostate cancer. The aim of this study was to identify changes in metabolism, genes and biochemical recurrence related to TMPRSS2-ERG by using an integrated approach, combining metabolomics, transcriptomics, histopathology and clinical data in a cohort of 129 human prostate samples (41 patients). Metabolic analyses revealed lower con ...

    • 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 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 ...

    • Prognostic impact of CXCL16 and CXCR6 in non-small cell lung cancer: Combined high CXCL16 expression in tumor stroma and cancer cells yields improved survival 

      Hald, Sigurd; Kiselev, Yury; Al-Saad, Samer; Richardsen, Elin; Johannessen, Charles; Eilertsen, Marte; Kilvær, Thomas Karsten; Al-Shibli, Khalid; Andersen, Sigve; Busund, Lill-Tove; Bremnes, Roy M.; Dønnem, Tom (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-05-29)
      Background: The chemokine CXCL16 and its receptor CXCR6 are expressed by a variety of immune cells and have been shown to influence angiogenesis. The expression of CXCR6 and CXCL16 has been examined in numerous human cancers; however no studies have yet investigated their influence on prognosis in non-small cell lung cancer (NSCLC). We aimed to explore their prognostic significance in NSCLC, in ...

    • Prognostic impact of CXCL16 and CXCR6 in non-small cell lung cancer: combined high CXCL16 expression in tumor stroma and cancer cells yields improved survival 

      Hald, Sigurd M.; Kiselev, Yury; Al-Saad, Samer; Richardsen, Elin; Johannessen, Charles; Eilertsen, Marte; Kilvær, Thomas K.; Al-Shibli, Khalid; Andersen, Sigve; Busund, Lill-Tove; Bremnes, Roy M.; Dønnem, Tom (Master thesis; Mastergradsoppgave, 2015-10-27)
      BACKGROUND: The chemokine CXCL16 and its receptor CXCR6 are expressed by a variety of immune cells and have been shown to influence angiogenesis. The expression of CXCR6 and CXCL16 has been examined in numerous human cancers; however no studies have yet investigated their influence on prognosis in non-small cell lung cancer (NSCLC). We aimed to explore their prognostic significance in NSCLC, in ...

    • 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 ...

    • Proteomic analyses identify major vault protein as a prognostic biomarker for fatal prostate cancer 

      Ramberg, Håkon Andre; Richardsen, Elin; De Souza, Gustavo Antonio; Rakaee, Mehrdad; Stensland, Maria; Braadland, Peder Rustøen; Nygård, Ståle; Ögren, Olov; Guldvik, Ingrid; Berge, Viktor; Svindland, Aud; Tasken, Kristin Austlid; Andersen, Sigve (Journal article; Tidsskriftartikkel; Peer reviewed, 2021-02-20)
      The demographic shift toward an older population will increase the number of prostate cancer cases. A challenge in the treatment of prostate cancer is to avoid undertreatment of patients at high risk of progression following curative treatment. These men can benefit from early salvage treatment. An explorative cohort consisting of tissue from 16 patients who underwent radical prostatectomy, and were ...