• 18F-Fluciclovine PET/MRI for preoperative lymph node staging in high-risk prostate cancer patients 

      Selnæs, Kirsten Margrete; Krüger-Stokke, Brage; Elschot, Mattijs; Willoch, Frode; Størkersen, Øystein; Sandsmark, Elise; Moestue, Siver Andreas; Tessem, May-Britt; Halvorsen, Dag; Kjøbli, Eirik; Angelsen, Anders; Langørgen, Sverre; Bertilsson, Helena; Bathen, Tone Frost (Journal article; Peer reviewed, 2018)
      Objective To investigate the diagnostic potential of simultaneous 18F-fluciclovine PET/MRI for pelvic lymph node (LN) staging in patients with high-risk prostate cancer. Methods High-risk prostate cancer patients (n=28) ...
    • A balanced tissue composition reveals new metabolic and gene expression markers in prostate cancer 

      Tessem, May-Britt; Bertilsson, Helena; Angelsen, Anders; Bathen, Tone Frost; Drabløs, Finn Sverre; Rye, Morten Beck (Journal article; Peer reviewed, 2016)
      Molecular analysis of patient tissue samples is essential to characterize the in vivo variability in human cancers which are not accessible in cell-lines or animal models. This applies particularly to studies of tumor ...
    • 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; Peer reviewed, 2016)
      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 ...
    • A PET/MRI study towards finding the optimal [18F]Fluciclovine PET protocol for detection and characterisation of primary prostate cancer. 

      Elschot, Mattijs; Selnæs, Kirsten Margrete; Sandsmark, Elise; Krüger-Stokke, Brage; Størkersen, Øystein; Tessem, May-Britt; Moestue, Siver Andreas; Bertilsson, Helena; Bathen, Tone Frost (Journal article; Peer reviewed, 2016)
      Purpose: [18F]Fluciclovine PET imaging shows promise for the assessment of prostate cancer. The purpose of this PET/MRI study is to optimise the PET imaging protocol for detection and characterisation of primary prostate ...
    • Biomarker discovery using NMR based metabolomics of tissue 

      Grinde, Maria Tunset; Giskeødegård, Guro F.; Andreassen, Trygve; Tessem, May-Britt; Bathen, Tone Frost; Moestue, Siver Andreas (Journal article; Peer reviewed, 2019)
      NMR-based metabolomics has shown promise in the diagnosis of diseases as it enables identification and quantification of metabolic biomarkers. Using high-resolution magic-angle-spinning (HR-MAS) NMR spectroscopy, metabolic ...
    • Cholesterol synthesis pathway genes in prostate cancer are transcriptionally downregulated when tissue confounding is minimized 

      Rye, Morten Beck; Bertilsson, Helena; Andersen, Maria Karoline; Rise, Kjersti; Bathen, Tone Frost; Drabløs, Finn; Tessem, May-Britt (Journal article; Peer reviewed, 2018)
      Background The relationship between cholesterol and prostate cancer has been extensively studied for decades, where high levels of cellular cholesterol are generally associated with cancer progression and less favorable ...
    • Combined 18F-Fluciclovine PET/MRI shows potential for detection and characterization of high-risk prostate cancer 

      Elschot, Mattijs; Selnæs, Kirsten Margrete; Sandsmark, Elise; Krüger-Stokke, Brage; Størkersen, Øystein; Giskeødegård, Guro F.; Tessem, May-Britt; Moestue, Siver Andreas; Bertilsson, Helena; Bathen, Tone Frost (Journal article; Peer reviewed, 2017)
      The objective of this study is to investigate if quantitative imaging features derived from combined 18F-Fluciclovine Positron Emission Tomograpy (PET) / multiparametric Magnetic Resonance Imaging (MRI) show potential for ...
    • Ex vivo metabolic fingerprinting identifies biomarkers predictive of prostate cancer recurrence following radical prostatectomy 

      Braadland, Peder; Giskeødegård, Guro F.; Sandsmark, Elise; Bertilsson, Helena; Euceda, Leslie R.; Hansen, Ailin Falkmo; Guldvik, Ingrid Jenny; Selnæs, Kirsten Margrete; Grytli, Helene Hartvedt; Katz, Betina; Svindland, Aud; Bathen, Tone Frost; Eri, Lars Magne; Nygård, Ståle; Berge, Viktor; Tasken, Kristin Austlid; Tessem, May-Britt (Journal article; Peer reviewed, 2017)
      Background: Robust biomarkers that identify prostate cancer patients with high risk of recurrence will improve personalised cancer care. In this study, we investigated whether tissue metabolites detectable by high-resolution ...
    • Gene signatures ESC, MYC and ERG-fusion are early markers of a potentially dangerous subtype of prostate cancer 

      Rye, Morten Beck; Bertilsson, Helena; Drabløs, Finn; Angelsen, Anders; Bathen, Tone Frost; Tessem, May-Britt (Journal article; Peer reviewed, 2014)
      Background Good prognostic tools for predicting disease progression in early stage prostate cancer (PCa) are still missing. Detection of molecular subtypes, for instance by using microarray gene technology, can give new ...
    • Identification of Metabolites from 2D 1H-13C HSQC NMR using Peak Correlation Plots 

      Öman, Tommy; Tessem, May-Britt; Bathen, Tone Frost; Bertilsson, Helena; Angelsen, Anders; Hedenström, Mattias; Andreassen, Trygve (Journal article; Peer reviewed, 2014)
      Background Identification of individual components in complex mixtures is an important and sometimes daunting task in several research areas like metabolomics and natural product studies. NMR spectroscopy is an excellent ...
    • Integrative metabolic and transcriptomic profiling of prostate cancer tissue containing reactive stroma 

      Andersen, Maria Karoline; Rise, Kjersti; Giskeødegård, Guro F.; Richardsen, Elin; Bertilsson, Helena; Størkersen, Øystein; Bathen, Tone Frost; Rye, Morten Beck; Tessem, May-Britt (Journal article; Peer reviewed, 2018)
      Reactive stroma is a tissue feature commonly observed in the tumor microenvironment of prostate cancer and has previously been associated with more aggressive tumors. The aim of this study was to detect differentially ...
    • Metabolic alterations in tissues and biofluids of patients with prostate cancer 

      Andersen, Maria Karoline; Giskeødegård, Guro F.; Tessem, May-Britt (Peer reviewed; Journal article, 2020)
      Altered metabolism is one of the key molecular characteristics of prostate cancer (PCa) development, and a number of studies have searched for metabolic biomarkers in patient-derived samples. Reported metabolic changes in ...
    • Metabolic biomarkers and reactive stroma grading in human prostate cancer tissue 

      Robak, Hanne Schistad; Stoll, Hanna (Master thesis, 2015)
      Introduction Prostate cancer (PCa) is the most common malignancy among men in the western world. Today’s diagnostic methods are not able to separate aggressive and indolent cancer in a sufficient way. Hence, it is difficult ...
    • Metabolic effects of ultraviolet radiation on the anterior part of the eye 

      Tessem, May-Britt (Doktoravhandlinger ved NTNU, 1503-8181; 2006:22, Doctoral thesis, 2006)
      Ultraviolet radiation (UV-R) is an environmental factor known to increase the risk of developing an irreversible opacification of the lens (cataract). Increased irradiance of UV-R to the earth because of depletion of ...
    • Molecular biomarkers of prostate cancer 

      Hansen, Ailin Falkmo (Doctoral theses at NTNU;2017:337, Doctoral thesis, 2017)
    • Multi-Level Molecular Characterisation of Prostate Cancer 

      Sandsmark, Elise (Doctoral theses at NTNU;2017:174, Doctoral thesis, 2017)
      Prostate cancer is the most common malignancy in Norwegian men, and represents a substantial health burden. The disease is heterogeneous, ranging from slow growing and indolent, to very aggressive and lethal. One of the ...
    • Multi-omics molecular profiling of prostate cancer 

      Andersen, Maria K. (Doctoral theses at NTNU;2019:59, Doctoral thesis, 2019)
      Prostate cancer is the most common form of malignancy inflicting men in the west and manifests itself as a heterogeneous disease with a range of different clinical outcomes. Whereas some prostate tumors grow slowly and ...
    • NMR-based metabolomics of biofluids in cancer 

      Giskeødegård, Guro F.; Madssen, Torfinn Støve; Euceda, Leslie R.; Tessem, May-Britt; Moestue, Siver Andreas; Bathen, Tone Frost (Journal article; Peer reviewed, 2018)
      Metabolomics is the branch of “omics” technologies that involves high‐throughput identification and quantification of small‐molecule metabolites in the metabolome. NMR‐based spectroscopy of biofluids represents a potential ...
    • NMR-Based Prostate Cancer Metabolomics 

      Euceda, Leslie R.; Andersen, Maria Karoline; Tessem, May-Britt; Moestue, Siver Andreas; Grinde, Maria Tunset; Bathen, Tone Frost (Journal article; Peer reviewed, 2018)
      Prostate cancer is the second most common malignancy, and the fifth leading cause of cancer-related death among men, worldwide. A major unsolved clinical challenge in prostate cancer is the ability to accurately distinguish ...
    • 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 (Journal article; Peer reviewed, 2016)
      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 ...