Browsing NTNU Open by Author "Bertilsson, Helena"
Now showing items 1-20 of 30
-
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 ... -
Bedre seleksjon av pasienter henvist til MR av prostata ved forhøyet PSA eller mistanke om prostatakreft
Billdal, Daniel Chen (Master thesis, 2021)Bakgrunn: Pakkeforløp for prostatakreft ble introdusert i 2015, og er et standardisert pasientforløp som beskriver organiseringen av utredning og behandling, og konkrete forløpstider. Det er et mål at 70 % av alle Pakkeforløp ... -
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 ... -
Disease-specific outcomes of Radical Prostatectomies in Northern Norway; A case for the impact of perineural infiltration and postoperative PSA-doubling time
Andersen, Sigve; Richardsen, Elin; Nordby, Yngve; Ness, Nora; Størkersen, Øystein; Al-Shibli, Khalid; Dønnem, Tom; Bertilsson, Helena; Busund, Lill-Tove; Angelsen, Anders; Bremnes, Roy M. (Journal article; Peer reviewed, 2014)Background: Prostate cancer is the most common male malignancy and a mayor cause of mortality in the western world. The impact of clinicopathological variables on disease related outcomes have mainly been reported from a ... -
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 diagnostic potential of adding T2 dependence in diffusion-weighted MR imaging of the prostate
Syversen, Ingrid Framås; Elschot, Mattijs; Sandsmark, Elise; Bertilsson, Helena; Bathen, Tone Frost; Goa, Pål Erik (Peer reviewed; Journal article, 2021)Background: Magnetic resonance imaging (MRI) is essential in the detection and staging of prostate cancer. However, improved tools to distinguish between low-risk and high-risk cancer are needed in order to select the ... -
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 ... -
Multiparametric Prostate MRI in Biopsy-Naïve Men: A Prospective Evaluation of Performance and Biopsy Strategies
Krüger-Stokke, Brage; Bertilsson, Helena; Langørgen, Sverre; Sjøbakk, Torill Eidhammer; Bathen, Tone Frost; Selnæs, Kirsten Margrete (Peer reviewed; Journal article, 2021)Objectives: This study aims to prospectively estimate the diagnostic performance of multiparametric prostate MRI (mpMRI) and compare the detection rates of prostate cancer using cognitive targeted transrectal ultrasound ... -
PCASTt/SPCG-17-A randomised trial of active surveillance in prostate cancer: Rationale and design
Ahlberg, Mats Steinholtz; Adami, Hans Olov; Beckmann, Kerri; Bertilsson, Helena; Bratt, Ola; Cahill, Declan; Egevad, Lars; Garmo, Hans; Holmberg, Lars; Johansson, Eva; Rannikko, Antti; Van Hemelrijck, Mieke; Jäderling, Fredrik; Wassberg, Cecilia; Åberg, Ulrika W.N.; Bill-Axelson, Anna (Journal article; Peer reviewed, 2019)Introduction Overtreatment of localised prostate cancer is substantial despite increased use of active surveillance. No randomised trials help define how to monitor patients or when to initiate treatment with curative ... -
Phosphatase of regenerating liver 3 (PRL-3) is overexpressed in human prostate cancer tissue and promotes growth and migration
Vandsemb, Esten Nymoen; Bertilsson, Helena; Abdollahi, Pegah; Størkersen, Øystein; Våtsveen, Thea Kristin; Rye, Morten Beck; Rø, Torstein Baade; Børset, Magne; Slørdahl, Tobias Schmidt (Journal article; Peer reviewed, 2016)Background: PRL-3 is a phosphatase implicated in oncogenesis in multiple cancers. In some cancers, notably carcinomas, PRL-3 is also associated with inferior prognosis and increased metastatic potential. In this study we ... -
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 ... -
Prostate Cancer – Translational Research: Optimizing tissue sampling suitable for histopathologic, transcriptomic and metabolic profiling
Bertilsson, Helena (Doktoravhandlinger ved NTNU, 1503-8181; 2012:240, Doctoral thesis, 2012)Prostate cancer (PCa) is the most common cancer in men in Europe and constitutes a substantial health care problem. In 2009, 4299 new cases were diagnosed in Norway and PCa was the second most common cause of death from ... -
Prostate-Specific Membrane Antigen PET/Magnetic Resonance Imaging for the Planning of Salvage Radiotherapy in Patients with Prostate Cancer with Biochemical Recurrence After Radical Prostatectomy
Elschot, Mattijs; Selnæs, Kirsten Margrete; Langørgen, Sverre; Johansen, Håkon; Bertilsson, Helena; Tandstad, Torgrim; Bathen, Tone Frost (Journal article; Peer reviewed, 2019)Prostate-specific membrane antigen (PSMA) PET/magnetic resonance (MR) imaging can help distinguish between patients with prostate cancer with locoregional recurrence and those with distant metastases, even at low ...