• Aneuploidy related transcriptional changes in endometrial cancer link low expression of chromosome 15q genes to poor survival 

      Mauland, Karen Klepsland; Wik, Elisabeth; Høivik, Erling Andre; Kusonmano, Kanthida; Halle, Mari Kyllesø; Berg, Anna; Haugland, Hans Kristian; Øyan, Anne Margrete; Kalland, Karl-Henning; Stefansson, Ingunn Marie; Akslen, Lars A.; Krakstad, Camilla; Trovik, Jone; Werner, Henrica Maria Johanna; Salvesen, Helga Birgitte (Peer reviewed; Journal article, 2017)
      Aneuploidy is a widely studied prognostic marker in endometrial cancer (EC), however, not implemented in clinical decision-making. It lacks validation in large prospective patient cohorts adjusted for currently standard ...
    • ATAD2 overexpression links to enrichment of B-MYBtranslational signatures and development of aggressive endometrial carcinoma 

      Krakstad, Camilla; Tangen, Ingvild Løberg; Høivik, Erling Andre; Halle, Mari Kyllesø; Berg, Anna; Werner, Henrica Maria Johanna; Ræder, Maria B.; Kusonmano, Kanthida; Zou, June; Øyan, Anne Margrete; Stefansson, Ingunn; Trovik, Jone; Kalland, Karl-Henning; Chen, Hong-Wu; Salvesen, Helga Birgitte (Peer reviewed; Journal article, 2015)
      We have explored the potential for clinical implementation of ATAD2 as a biomarker for aggressive endometrial cancer by investigating to what extent immunohistochemical (IHC) staining for ATAD2 is feasible, reflects clinical ...
    • Class I Phosphoinositide 3-Kinase PIK3CA/p110α and PIK3CB/p110β Isoforms in Endometrial Cancer 

      Mazloumi Gavgani, Fatemeh; Arnesen, Victoria Smith; Jacobsen, Rhian Gaenor; Krakstad, Camilla; Høivik, Erling Andre; Lewis, Aurelia Eva (Peer reviewed; Journal article, 2018-12-07)
      The phosphoinositide 3-kinase (PI3K) signalling pathway is highly dysregulated in cancer, leading to elevated PI3K signalling and altered cellular processes that contribute to tumour development. The pathway is normally ...
    • Development of prediction models for lymph node metastasis in endometrioid endometrial carcinoma 

      Berg, Hege Fredriksen; Ju, Zhenlin; Myrvold, Madeleine; Fasmer, Kristine Eldevik; Halle, Mari Kyllesø; Høivik, Erling Andre; Westin, Shannon; Trovik, Jone; Haldorsen, Ingfrid S.; Mills, Gordon B.; Krakstad, Camilla; Werner, Henrica Maria Johanna (Journal article; Peer reviewed, 2020-02-10)
      Background In endometrioid endometrial cancer (EEC), current clinical algorithms do not accurately predict patients with lymph node metastasis (LNM), leading to both under- and over-treatment. We aimed to develop models ...
    • Endometrial cancer cells exhibit high expression of p110β and its selective inhibition induces variable responses on PI3K signaling, cell survival and proliferation 

      Karlsson, Thomas; Krakstad, Camilla; Tangen, Ingvild Løberg; Høivik, Erling Andre; Pollock, Pamela M.; Salvesen, Helga; Lewis, Aurelia Eva (Peer reviewed; Journal article, 2017-12-16)
      PTEN loss and constitutive activation of the class I phosphoinositide 3-kinase (PI3K) pathway are key drivers of endometrial tumorigenesis. In some cancer types, PTEN-deficient tumors are reliant on class I PI3K p110β ...
    • Epac1-deficient mice have bleeding phenotype and thrombocytes with decreased GPIbβ expression 

      Nygaard, Gyrid; Herfindal, Lars; Åsrud, Kathrine Sivertsen; Bjørnstad, Ronja; Kopperud, Reidun Kristin; Oveland, Eystein; Berven, Frode; Myhren, Lene Elisabeth; Høivik, Erling Andre; Lunde, Turid Helen Felli; Bakke, Marit; Døskeland, Stein Ove; Selheim, Frode (Peer reviewed; Journal article, 2017)
      Epac1 (Exchange protein directly activated by cAMP 1) limits fluid loss from the circulation by tightening the endothelial barrier. We show here that Epac1−/− mice, but not Epac2−/− mice, have prolonged bleeding time, ...
    • High degree of heterogeneity of PD-L1 and PD-1 from primary to metastatic endometrial cancer 

      Engerud, Hilde Renate; Berg, Hege Fredriksen; Myrvold, Madeleine; Halle, Mari Kyllesø; Bjørge, Line; Haldorsen, Ingfrid S.; Høivik, Erling Andre; Trovik, Jone; Krakstad, Camilla (Journal article; Peer reviewed, 2020)
      Objective PD-L1 and PD-1 are predictive markers for immunotherapy and increasingly relevant in endometrial cancer. The reported fraction of positive primary tumors has been inconsistent. We investigated the expression of ...
    • High visceral fat percentage is associated with poor outcome in endometrial cancer 

      Mauland, Karen Klepsland; Eng, Øyvin Andre Solberg; Ytre-Hauge, Sigmund; Tangen, Ingvild Løberg; Berg, Anna; Salvesen, Helga; Salvesen, Øyvind; Krakstad, Camilla; Trovik, Jone; Høivik, Erling Andre; Werner, Henrica Maria Johanna; Mellgren, Gunnar; Haldorsen, Ingfrid S. (Peer reviewed; Journal article, 2017-10-19)
      Despite evidence of increased endometrial cancer (EC) risk in obese women, the impact of obesity on clinical and histological phenotype is poorly understood. This study explored abdominal fat volumes and fat distribution ...
    • High-Throughput Mutation Profiling of Primary and Metastatic Endometrial Cancers Identifies KRAS, FGFR2 and PIK3CA to Be Frequently Mutated 

      Krakstad, Camilla; Birkeland, Even; Seidel, Danila; Kusonmano, Kanthida; Petersen, Kjell; Mjøs, Siv; Høivik, Erling Andre; Wik, Elisabeth; Halle, Mari Kyllesø; Øyan, Anne Margrete; Kalland, Karl-Henning; Werner, Henrica Maria Johanna; Trovik, Jone; Salvesen, Helga Birgitte (Peer reviewed; Journal article, 2012-12-27)
      Background: Despite being the most common pelvic gynecologic malignancy in industrialized countries, no targeted therapies are available for patients with metastatic endometrial carcinoma. In order to improve treatment, ...
    • Identification of nine new susceptibility loci for endometrial cancer 

      O'Mara, Tracy A.; Glubb, Dylan M.; Amant, Frédéric; Annibali, Daniela; Ashton, Katie; Attia, John; Auer, Paul L.; Beckmann, Matthias W.; Black, Amanda; Bolla, Manjeet K.; Brauch, Hiltrud; Brenner, Hermann; Brinton, Louise; Buchanan, Daniel D.; Burwinkel, Barbara; Chang-Claude, Jenny; Chanock, Stephen J.; Chen, Chu; Chen, Maxine M.; Cheng, Timothy H.T.; Clarke, Christine L.; Clendenning, Mark; Cook, Linda S.; Couch, Fergus J.; Cox, Angela; Crous-Bous, Marta; Czene, Kamila; Day, Felix; Dennis, Joe; Depreeuw, Jeroen; Doherty, Jennifer Anne; Dörk, Thilo; Dowdy, Sean C.; Dürst, Matthias; Ekici, Arif B.; Fasching, Peter A.; Fridley, Brooke L.; Friedenreich, Christine M.; Fritschi, Lin; Fung, Jenny; García-Closas, Montserrat; Gaudet, Mia M.; Giles, Graham G.; Goode, Ellen L.; Gorman, Maggie; Haiman, Christopher A.; Hall, Per; Hankison, Susan E.; Healey, Catherine S.; Hein, Alexander; Hillemanns, Peter; Hodgson, Shirley; Høivik, Erling Andre; Holliday, Elizabeth G.; Hopper, John L.; Hunter, David J.; Jones, Angela; Krakstad, Camilla; Kristensen, Vessela N.; Lambrechts, Diether; Marchand, Loic Le; Liang, Xiaolin; Lindblom, Annika; Lissowska, Jolanta; Long, Jirong; Lu, Lingeng; Magliocco, Anthony M.; Martin, Lynn; McEvoy, Mark; Meindl, Alfons; Michailidou, Kyriaki; Milne, Roger L.; Mints, Miriam; Montgomery, Grant W.; Nassir, Rami; Olsson, Håkan; Orlow, Irene; Otton, Geoffrey; Palles, Claire; Perry, John R.B.; Peto, Julian; Pooler, Loreall; Prescott, Jennifer; Proietto, Tony; Rebbeck, Timothy R.; Risch, Harvey A.; Rogers, Peter A.W.; Rübner, Matthias; Runnebaum, Ingo; Sacerdote, Carlotta; Sarto, Gloria E.; Schumacher, Fredrick; Scott, Rodney J.; Setiawan, V. Wendy; Shah, Mitul; Sheng, Xin; Shu, Xiao-Ou; Southey, Melissa C.; Swerdlow, Anthony J.; Tham, Emma; Trovik, Jone; Turman, Constance; Tyrer, Jonathan P.; Vachon, Celine; VanDen Berg, David; Vanderstichele, Adriaan; Wang, Zhaoming; Webb, Penelope M.; Wentzensen, Nicolas; Werner, Henrica Maria Johanna; Winham, Stacey J.; Wolk, Alicja; Xia, Lucy; Xiang, Yong-Bing; Yang, Hannah P.; Yu, Herbert; Zheng, Wei; Pharoah, Paul D.P.; Dunning, Alison M.; Kraft, Peter; De Vivo, Immaculata; Tomlinson, Ian; Easton, Douglas F.; Spurdle, Amanda B.; Thompson, Deborah J. (Peer reviewed; Journal article, 2018-08-09)
      Endometrial cancer is the most commonly diagnosed cancer of the female reproductive tract in developed countries. Through genome-wide association studies (GWAS), we have previously identified eight risk loci for endometrial ...
    • Increased microvascular permeability in mice lacking Epac1 (Rapgef3) 

      Kopperud, Reidun Kristin; Rygh, Cecilie Brekke; Karlsen, Tine Veronica; Krakstad, Camilla; Kleppe, Rune; Høivik, Erling Andre; Bakke, Marit; Tenstad, Olav; Selheim, Frode; Liden, Åsa; Madsen, Lise; Pavlin, Tina; Taxt, Torfinn; Kristiansen, K.; Curry, FE; Reed, Rolf K.; Doskeland, Stein Ove (Peer reviewed; Journal article, 2017-02)
      Aim: Maintenance of the blood and extracellular volume requires tight control of endothelial macromolecule permeability, which is regulated by cAMP signalling. This study probes the role of the cAMP mediators rap guanine ...
    • KRAS gene amplification and overexpression but not mutation associates with aggressive and metastatic endometrial cancer 

      Birkeland, Even; Wik, Elisabeth; Mjøs, Siv; Høivik, Erling Andre; Trovik, Jone; Werner, Henrica Maria Johanna; Kusonmano, Kanthida; Petersen, Kjell; Ræder, Maria B.; Holst, Frederik; Øyan, Anne Margrete; Kalland, Karl-Henning; Akslen, Lars A.; Simon, Ronald; Krakstad, Camilla; Salvesen, Helga Birgitte (Peer reviewed; Journal article, 2012)
      BACKGROUND: Three quarter of endometrial carcinomas are treated at early stage. Still, 15 to 20% of these patients experience recurrence, with little effect from systemic therapies. Homo sapiens v-Ki-ras2 Kirsten rat sarcoma ...
    • Maintained survival outcome after reducing lymphadenectomy rates and optimizing adjuvant treatment in endometrial cancer 

      Forsse, David Erik; Berg, Hege Fredriksen; Bozickovic, Olivera; Engerud, Hilde Renate; Halle, Mari Kyllesø; Høivik, Erling Andre; Woie, Kathrine; Werner, Henrica Maria Johanna; Haldorsen, Ingfrid S.; Trovik, Jone; Krakstad, Camilla (Journal article; Peer reviewed, 2020)
      Objective: Main controversies in endometrial cancer treatment include the role of lymphadenectomy and optimal adjuvant treatment. We assessed clinical outcome in a population-based endometrial cancer cohort in relation to ...
    • An mri-based radiomic prognostic index predicts poor outcome and specific genetic alterations in endometrial cancer 

      Jacob, Havjin; Dybvik, Julie Andrea; Ytre-Hauge, Sigmund; Fasmer, Kristine E.; Høivik, Erling Andre; Trovik, Jone; Krakstad, Camilla; Haldorsen, Ingfrid S. (Journal article; Peer reviewed, 2021)
      Integrative tumor characterization linking radiomic profiles to corresponding gene expression profiles has the potential to identify specific genetic alterations based on non-invasive radiomic profiling in cancer. The aim ...
    • Novel PCDH10-Wnt-MALAT1 regulatory axis in endometrioid endometrial adenocarcinoma 

      Zhao, Y.; Yang, Y.; Trovik, Jone; Sun, Kun; Zhou, Liang; Jiang, Peiyong; Lau, Tatsan; Høivik, Erling Andre; Salvesen, Helga; Sun, H.; Wang, H. (Peer reviewed; Journal article, 2019)
      Key Messages: 1. Protocadherin 10 (PCDH10) is silenced in endometrioid endometrial cancer through promoter hypermethylation. 2. Ectopic expression of PCDH10 inhibits tumour growth and induces cell apoptosis. 3. Transcriptomic ...
    • PIK3CA exon9 mutations associate with reduced survival, and are highly concordant between matching primary tumors and metastases in endometrial cancer 

      Mjøs, Siv; Werner, Henrica Maria Johanna; Birkeland, Even; Holst, Frederik; Berg, Anna; Halle, Mari Kyllesø; Tangen, Ingvild Løberg; Kusonmano, Kanthida; Mauland, Karen Klepsland; Øyan, Anne Margrete; Kalland, Karl-Henning; Lewis, Aurelia Eva; Mills, Gordon B.; Krakstad, Camilla; Trovik, Jone; Salvesen, Helga; Høivik, Erling Andre (Peer reviewed; Journal article, 2017-08-31)
      Mutations of the phosphoinositide-3-kinase (PI3K) catalytic subunit alpha gene (PIK3CA) are frequent in endometrial cancer. We sequenced exon9 and exon20 of PIK3CA in 280 primary endometrial cancers to assess the relationship ...
    • Recurrent hormone-binding domain truncated ESR1 amplifications in primary endometrial cancers suggest their implication in hormone independent growth 

      Holst, Frederik; Høivik, Erling Andre; Gibson, William J.; Taylor-Weiner, Amaro; Schumacher, Steven E.; Asmann, Yan W.; Grossmann, Patrick; Trovik, Jone; Necela, Brian M.; Thompson, E. Aubrey; Meyerson, Matthew; Beroukhim, Rameen; Salvesen, Helga Birgitte; Cherniack, Andrew D. (Peer reviewed; Journal article, 2016-05-10)
      The estrogen receptor alpha (ERα) is highly expressed in both endometrial and breast cancers, and represents the most prevalent therapeutic target in breast cancer. However, anti-estrogen therapy has not been shown to be ...
    • Regulation of CDKN2B expression by interaction of Arnt with Miz-1 - a basis for functional integration between the HIF and Myc gene regulatory pathways 

      Æsøy, Reidun; Gradin, Katarina; Åsrud, Kathrine Sivertsen; Høivik, Erling Andre; Ruas, Jorge L.; Poellinger, Lorenz; Bakke, Marit (Peer reviewed; Journal article, 2014-03-11)
      Background: Hypoxia- and Myc-dependent transcriptional regulatory pathways are frequently deregulated in cancer cells. These pathways converge in many cellular responses, but the underlying molecular mechanisms are unclear. ...
    • Tissue and imaging biomarkers for hypoxia predict poor outcome in endometrial cancer 

      Berg, Anna; Fasmer, Kristine Eldevik; Mauland, Karen Klepsland; Ytre-Hauge, Sigmund; Høivik, Erling Andre; Husby, Jenny Hild Aase; Tangen, Ingvild Løberg; Trovik, Jone; Halle, Mari Kyllesø; Woie, Kathrine; Bjørge, Line; Bjørnerud, Atle; Salvesen, Helga; Werner, Henrica Maria Johanna; Krakstad, Camilla; Haldorsen, Ingfrid S. (Peer reviewed; Journal article, 2016-09-13)
      Hypoxia is frequent in solid tumors and linked to aggressive phenotypes and therapy resistance. We explored expression patterns of the proposed hypoxia marker HIF-1α in endometrial cancer (EC) and investigate whether ...