• 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 ...
    • Detection of recurrent prostate cancer with 18F-Fluciclovine PET/MRI 

      Selnæs, Kirsten Margrete; Krüger-Stokke, Brage; Elschot, Mattijs; Johansen, Håkon; Steen, Per Arvid; Langørgen, Sverre; Aksnessæther, Bjørg Yksnøy; Indrebø, Gunnar; Sjøbakk, Torill Eidhammer; Tessem, May-Britt; Moestue, Siver Andreas; Knobel, Heidi; Tandstad, Torgrim; Bertilsson, Helena; Solberg, Arne; Bathen, Tone Frost (Peer reviewed; Journal article, 2020)
      Objective: Simultaneous PET/MRI combines soft-tissue contrast of MRI with high molecular sensitivity of PET in one session. The aim of this prospective study was to evaluate detection rates of recurrent prostate cancer by ...
    • Development of an improved pathway analysis - The FunHop story 

      Rise, Kjersti (Doctoral theses at NTNU;2022:212, Doctoral thesis, 2022)
      Norsk sammendrag Arbeidet som presenteres i denne avhandlingen omhandler metabolisme i prostatakreft, hovedsakelig i form av bruk og forbedring av analyse av biologiske spor. En stor del av oppgaven handler om utvikling ...
    • DNA methylation changes in response to neoadjuvant chemotherapy are associated with breast cancer survival 

      Pedersen, Christine Aaserød; Cao, Maria Dung; Fleischer, Thomas; Rye, Morten Beck; Knappskog, Stian; Eikesdal, Hans Petter; Lønning, Per Eystein; Tost, Jörg; Kristensen, Vessela N.; Tessem, May-Britt; Giskeødegård, Guro F.; Bathen, Tone Frost (Peer reviewed; Journal article, 2022)
      Background Locally advanced breast cancer is a heterogeneous disease with respect to response to neoadjuvant chemotherapy (NACT) and survival. It is currently not possible to accurately predict who will benefit from the ...
    • 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 ...
    • Exploring the viability of measuring zinc and prostate-specific antigen in urine as a diagnostic tool for prostate cancer 

      Nguyen, Thai Thanh (Master thesis, 2021)
      Bakgrunn: Nåværende metoder for å diagnostisere prostatakreft benytter seg av inngripende biopsier, som kan føre til komplikasjoner som infeksjon og død. Ikke-inngripende metoder benytter seg av PSA målinger, som ofte er ...
    • FunHoP analysis reveals upregulation of mitochondrial genes in prostate cancer 

      Rise, Kjersti; Tessem, May-Britt; Drabløs, Finn; Rye, Morten Beck (Peer reviewed; Journal article, 2022)
      Mitochondrial activity in cancer cells has been central to cancer research since Otto Warburg first published his thesis on the topic in 1956. Although Warburg proposed that oxidative phosphorylation in the tricarboxylic ...
    • FunHoP: Enhanced Visualization and Analysis of Functionally Homologous Proteins in Complex Metabolic Networks 

      Rise, Kjersti; Tessem, May-Britt; Drabløs, Finn; Rye, Morten Beck (Journal article; Peer reviewed, 2021)
      Cytoscape is often used for visualization and analysis of metabolic pathways. For example, based on KEGG data, a reader for KEGG Markup Language (KGML) is used to load files into Cytoscape. However, although multiple genes ...
    • 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 ...
    • The genes controlling normal function of citrate and spermine secretion are lost in aggressive prostate cancer and prostate model systems 

      Rye, Morten Beck; Krossa, Sebastian; Hall, Martina; van Mourik, Casper; Bathen, Tone Frost; Drabløs, Finn; Tessem, May-Britt; Bertilsson, Helena (Peer reviewed; Journal article, 2022)
      High secretion of the metabolites citrate and spermine is a unique hallmark for normal prostate epithelial cells, and is reduced in aggressive prostate cancer. However, the identity of the genes controlling this biological ...
    • 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 ...