• An experimental strategy unveiling exosomal microRNAs 486-5p, 181a-5p and 30d-5p from hypoxic tumour cells as circulating indicators of high-risk rectal cancer 

      Bjørnetrø, Tonje; Redalen, Kathrine; Meltzer, Sebastian; Thusyanthan, Nirujah Sivarajah; Samiappan, Rampradeep; Jegershöld, Caroline; Handeland, Karianne Risberg; Ree, Anne Hansen (Journal article; Peer reviewed, 2019)
      Tumour hypoxia contributes to poor treatment outcome in locally advanced rectal cancer (LARC) and circulating extracellular vesicles (EVs) as potential biomarkers of tumour hypoxia and adverse prognosis have not been fully ...
    • Circulating Exosomal miR-141-3p and miR-375 in Metastatic Progression of Rectal Cancer 

      Meltzer, Sebastian; Bjørnetrø, Tonje; Lyckander, Lars Gustav; Flatmark, Kjersti; Dueland, Svein; Samiappan, Rampradeep; Johansen, Christin; Kalanxhi, Ert; Ree, Anne Hansen; Redalen, Kathrine (Journal article; Peer reviewed, 2019)
      As many as 30% to 40% of locally advanced rectal cancer (LARC) patients experience metastatic progression of the disease. Recognizing the potential of the genetic cargo in tumor-derived exosomes, we hypothesized that plasma ...
    • The circulating soluble form of the CD40 costimulatory immune checkpoint receptor and liver metastasis risk in rectal cancer 

      Meltzer, Sebastian; Kristensen, Annette Torgunrud; Abrahamsson, Hanna Josefine; Solbakken, Arne Mide; Flatmark, Kjersti; Dueland, Svein; Bakke, Kine Mari; Bousquet, Paula; Negård, Anne; Johansen, Christin; Lyckander, Lars Gustav; Larsen, Finn Ole; Schou, Jakob Vasehus; Redalen, Kathrine; Ree, Anne Hansen (Peer reviewed; Journal article, 2021)
      Background In colorectal cancer, the inflamed tumour microenvironment with its angiogenic activities is immune- tolerant and incites progression to liver metastasis. We hypothesised that angiogenic and inflammatory factors ...
    • Comparison of Intravoxel incoherent motion imaging and multiecho dynamic contrast-based MRI in rectal cancer 

      Bakke, Kine Mari; Grøvik, Endre; Meltzer, Sebastian; Negård, Anne; Holmedal, Stein Harald; Mikalsen, Lars Tore G; Lyckander, Lars Gustav; Ree, Anne Hansen; Gjesdal, Kjell-Inge; Redalen, Kathrine; Bjørnerud, Atle (Journal article; Peer reviewed, 2019)
      Background Dynamic contrast‐based MRI and intravoxel incoherent motion imaging (IVIM) MRI are both methods showing promise as diagnostic and prognostic tools in rectal cancer. Both methods aim at measuring perfusion‐related ...
    • Corrigendum to “Circulating exosomal miR-141-3p and miR-375 in metastatic progression of rectal cancer” [Transl Oncol 12 (8) (2019) 1038-1044] 

      Meltzer, Sebastian; Bjørnetrø, Tonje; Lyckander, Lars Gustav; Flatmark, Kjersti; Dueland, Svein; Samiappan, Rampradeep; Johansen, Christin; Kalanxhi, Erta; Ree, Anne Hansen; Redalen, Kathrine (Peer reviewed; Journal article, 2020)
    • Diffusion-weighted magnetic resonance imaging of rectal cancer: tumour volume and perfusion fraction predict chemoradiotherapy response and survival 

      Bakke, Kine Mari; Hole, Knut Håkon; Dueland, Svein; Kotanska-Grøholt, Krystyna; Flatmark, Kjersti; Ree, Anne Hansen; Seierstad, Therese; Redalen, Kathrine Røe (Journal article, 2017)
      Background: In locally advanced rectal cancer (LARC), responses to preoperative treatment are highly heterogeneous and more accurate diagnostics are likely to enable more individualised treatment approaches with improved ...
    • High level of circulating vitamin D during neoadjuvant therapy may lower risk of metastatic progression in high-risk rectal cancer 

      Abrahamsson, Hanna Josefine; Porojnicu, Alina Carmen; Lindstrøm, Jonas Christoffer; Dueland, Svein; Flatmark, Kjersti; Hole, Knut Håkon; Seierstad, Therese; Moan, Johan Emilian; Redalen, Kathrine; Meltzer, Sebastian; Ree, Anne Hansen (Journal article; Peer reviewed, 2019)
      Background:Following curative-intent neoadjuvant therapy in locally advanced rectal cancer, metastaticprogression is still dominant. We investigated if patients’circulating 25-hydroxyvitamin D [25(OH)D] levels wereassociated ...
    • High level of circulating vitamin D during neoadjuvant therapy may lower risk of metastatic progression in high-risk rectal cancer 

      Abrahamsson, Hanna Josefine; Porojnicu, Alina Carmen; Lindstrøm, Jonas Christoffer; Dueland, Svein; Flatmark, Kjersti; Hole, Knut Håkon; Seierstad, Therese; Moan, Johan Emilian; Redalen, Kathrine Røe; Meltzer, Sebastian; Ree, Anne Hansen (Journal article; Peer reviewed, 2019)
      Background: Following curative-intent neoadjuvant therapy in locally advanced rectal cancer, metastatic progression is still dominant. We investigated if patients’ circulating 25-hydroxyvitamin D [25(OH)D] levels were ...
    • Immunogenic cell death by neoadjuvant oxaliplatin and radiation protects against metastatic failure in high-risk rectal cancer. 

      Bains, Simer Jit; Abrahamsson, Hanna Josefine; Flatmark, Kjersti; Dueland, Svein; Hole, Knut Håkon; Seierstad, Therese; Redalen, Kathrine; Meltzer, Sebastian; Ree, Anne Hansen (Journal article; Peer reviewed, 2019)
      Objective High rates of systemic failure in locally advanced rectal cancer call for a rational use of conventional therapies to foster tumor-defeating immunity. Methods We analyzed the high-mobility group box-1 ...
    • Improving public cancer care by implementing precision medicine in Norway: IMPRESS-Norway 

      Helland, Åslaug; Russnes, Hege Elisabeth Giercksky; Fagereng, Gro Live; Al-Shibli, Khalid Ibrahim; Andersson, Yvonne; Berg, Thomas; Bjørge, Line; Blix, Egil Støre; Bjerkehagen, Bodil; Brabrand, Sigmund; CAMERON, MARTE; Dalhaug, Astrid; Dietzel, Dalia; Dønnem, Tom; Enerly, Espen; Flobak, Åsmund; Fluge, Sverre; Gilje, Bjørnar; Gjertsen, Bjørn Tore; Grønberg, Bjørn Henning; Grønås, Kari; Guren, Tormod Kyrre; Hamre, Hanne Mari; Haug, Åse; Heinrich, Daniel; Hjortland, Geir Olav; Hovig, Eivind; Hovland, Randi; Iversen, Ann-Charlotte; Janssen, Emiel; Kyte, Jon A; Gythfeldt, Hedda; Lothe, Ragnhild Adelheid; Lund, Jo-Åsmund; Meza, Leonardo Zepeda; Munthe-Kaas, Monica Cheng; Nguyen, Olav Toai Duc; Niehusmann, Pitt; Nilsen, Hilde; Puco, Katarina; Ree, Anne Hansen; Riste, Tonje Bøyum; Semb, Karin; Steinskog, Eli Sihn Samdal; Stensvold, Andreas; Suhrke, Pål; Tennøe, Øyvind Krohn; Tjønnfjord, Geir Erland; Vassbotn, Liv Jorunn; Aas, Eline; Aasebø, Kristine Øverås; Tasken, Kjetil; Smeland, Sigbjørn (Peer reviewed; Journal article, 2022)
      Background Matching treatment based on tumour molecular characteristics has revolutionized the treatment of some cancers and has given hope to many patients. Although personalized cancer care is an old concept, renewed ...
    • Markers of mitochondrial metabolism in tumor hypoxia, systemic inflammation, and adverse outcome of rectal cancer 

      Bousquet, Paula; Meltzer, Sebastian; Sønstevold, Linda; Esbensen, Qin Ying; Dueland, Svein; Flatmark, Kjersti; Sitter, Beathe; Bathen, Tone Frost; Seierstad, Therese; Redalen, Kathrine; Eide, Lars; Ree, Anne Hansen (Journal article; Peer reviewed, 2019)
      Tumor hypoxia contributes to therapy resistance and metastatic progression of locally advanced rectal cancer (LARC). We postulated that the tumor mitochondrial metabolism, manifested by reactive oxygen species (ROS) and ...
    • MRI-based automatic segmentation of rectal cancer using 2D U-Net on two independent cohorts 

      Knuth, Franziska Hanna; Adde, Ingvild Askim; Huynh, Bao Ngoc; Grøndahl, Aurora Rosvoll; Winter, René; Negård, Anne; Holmedal, Stein Harald; Meltzer, Sebastian; Ree, Anne Hansen; Flatmark, Kjersti; Dueland, Svein; Hole, Knut Håkon; Seierstad, Therese; Redalen, Kathrine; Futsæther, Cecilia Marie (Peer reviewed; Journal article, 2021)
      Background Tumor delineation is time- and labor-intensive and prone to inter- and intraobserver variations. Magnetic resonance imaging (MRI) provides good soft tissue contrast, and functional MRI captures tissue properties ...
    • Sex differences and tumor blood flow from dynamic susceptibility contrast MRI are associated with treatment response after chemoradiation and long-term survival in rectal cancer 

      Bakke, Kine Mari; Meltzer, Sebastian; Grøvik, Endre; Negård, Anne; Holmedal, Stein Harald; Gjesdal, Kjell-Inge; Bjørnerud, Atle; Ree, Anne Hansen; Redalen, Kathrine (Peer reviewed; Journal article, 2020)
      Sex differences, tumor vascularity, and blood flow seen on multiecho dynamic contrast–based MRI scans enabled prediction of treatment response and overall survival in patients with rectal cancer. Background: MRI is the ...
    • Sex disparities in vitamin D status and the impact on systemic inflammation and survival in rectal cancer 

      Abrahamsson, Hanna Josefine; Meltzer, Sebastian; Hagen, Vidar Nyløkken; Johansen, Christin; Bousquet, Paula; Redalen, Kathrine; Ree, Anne Hansen (Peer reviewed; Journal article, 2021)
      Background We reported previously that rectal cancer patients given curative-intent chemotherapy, radiation, and surgery for non-metastatic disease had enhanced risk of metastatic progression and death if circulating ...
    • Sex-related differences in primary metastatic site in rectal cancer; associated with hemodynamic factors? 

      Meltzer, Sebastian; Bakke, Kine Mari; Rød, Karina Lund; Negård, Anne; Flatmark, Kjersti; Solbakken, Arne Mide; Kristensen, Annette Torgunrud; Fuglestad, Anniken Jørlo; Kersten, Christian; Dueland, Svein; Seierstad, Therese; Hole, Knut Håkon; Lyckander, Lars Gustav; Larsen, Finn Ole; Schou, Jakob Vasehus; Brown, Dawn; Abrahamsson, Hanna Josefine; Redalen, Kathrine; Ree, Anne Hansen (Journal article; Peer reviewed, 2019)
      Background and purpose We investigated how features relating to pelvic cavity anatomy and tumor hemodynamic factors may influence systemic failure in rectal cancer. Materials and methods Rectal cancer patients (207 ...
    • Systemic immune response induced by oxaliplatin-based neoadjuvant therapy favours survival without metastatic progression in high-risk rectal cancer 

      Kalanxhi, Ert; Meltzer, Sebastian; Schou, Jakob Vasehus; Larsen, Finn Ole; Dueland, Svein; Flatmark, Kjersti; Jensen, Benny Vittrup; Hole, Knut Håkon; Seierstad, Therese; Redalen, Kathrine; Nielsen, Dorte Lisbet; Ree, Anne Hansen (Journal article; Peer reviewed, 2018)
      Background Systemic failure remains a challenge in rectal cancer. We investigated the possible systemic anti-tumour immune activity invoked within oxaliplatin-based neoadjuvant therapy. Methods In two high-risk patient ...
    • Uptake of circulating extracellular vesicles from rectal cancer patients and differential responses by human monocyte cultures 

      Bjørnetrø, Tonje; Steffensen, Lilly Alice; Vestad, Beate; Brusletto, Berit Sletbakk; Olstad, Ole Kristoffer; Siebke, Anne-Marie; Aass, Hans Christian Dalsbotten; Foss, Kari Bente; Llorente, Alicia; Bøe, Stig Ove; Lång, Anna Ulrika; Samiappan, Rampradeep; Redalen, Kathrine; Øvstebø, Reidun; Ree, Anne Hansen (Journal article; Peer reviewed, 2021)
      Extracellular vesicles (EVs) released by tumor cells can directly or indirectly modulate the phenotype and function of the immune cells of the microenvironment locally or at distant sites. The uptake of circulating EVs and ...