• Clonal evolution after treatment pressure in multiple myeloma: heterogenous genomic aberrations and transcriptomic convergence 

      Misund, Kristine; Hofste op Bruinink, Davine; Coward, Eivind; Hoogenboezem, Remco M.; Rustad, Even Holth; Sanders, Mathijs A.; Rye, Morten Beck; Sponaas, Anne-Marit; van der Holt, Bronno; Zweegman, Sonja; Hovig, Eivind; Meza, Leonardo Zepeda; Sundan, Anders; Myklebost, Ola; Sonneveld, Pieter; Waage, Anders (Journal article; Peer reviewed, 2022)
      We investigated genomic and transcriptomic changes in paired tumor samples of 29 in-house multiple myeloma (MM) patients and 28 patients from the MMRF CoMMpass study before and after treatment. A change in clonal composition ...
    • Clonal evolution in primary breast cancers under sequential epirubicin and docetaxel monotherapy 

      Venizelos, Andreas; Engebrethsen, Christina; Deng, Wei; Geisler, Jürgen; Geisler, Stephanie; Iversen, Gjertrud Titlestad; Aas, Turid; Aase, Hildegunn Siv; Seyedzadeh, Manouchehr; Steinskog, Eli Sihn Samdal; Myklebost, Ola; Nakken, Sigve; Vodák, Daniel; Hovig, Eivind; Meza, Leonardo Zepeda; Lønning, Per Eystein; Knappskog, Stian; Eikesdal, Hans Petter (Journal article; Peer reviewed, 2022)
      Background Subclonal evolution during primary breast cancer treatment is largely unexplored. We aimed to assess the dynamic changes in subclonal composition of treatment-naïve breast cancers during neoadjuvant ...
    • ctDNA detected by ddPCR reveals changes in tumour load in metastatic malignant melanoma treated with bevacizumab 

      Forthun, Rakel Brendsdal; Hovland, Randi; Schuster, Cornelia; Puntervoll, Hanne Eknes; Brodal, Hans Petter; Namløs, Heidi Maria; Aasheim, Lars Birger; Meza, Leonardo Zepeda; Gjertsen, Bjørn Tore; Knappskog, Stian; Straume, Oddbjørn (Peer reviewed; Journal article, 2019)
      Bevacizumab is included in an increasing number of clinical trials. To find biomarkers to predict and monitor treatment response, cancer and angiogenesis relevant mutations in tumour and circulating tumour DNA (ctDNA) were ...
    • The expressed mutational landscape of microsatellite stable colorectal cancers 

      Sveen, Anita; Johannessen, Bjarne; Eilertsen, Ina Andrassy; Røsok, Bård Ingvald; Gulla, Marie; Eide, Peter Andreas Wold; Bruun, Jarle; Kryeziu, Kushtrim; Meza, Leonardo Zepeda; Myklebost, Ola; Bjørnbeth, Bjørn Atle; Skotheim, Rolf I.; Nesbakken, Arild; Lothe, Ragnhild Adelheid (Journal article; Peer reviewed, 2021)
      Background Colorectal cancer is the 2nd leading cause of cancer-related deaths with few patients benefiting from biomarker-guided therapy. Mutation expression is essential for accurate interpretation of mutations as ...
    • 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; 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; Cameron, Marte Grønlie (Journal article; Peer reviewed, 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 ...
    • miR-486-5p expression is regulated by DNA methylation in osteosarcoma 

      Namløs, Heidi Maria; Skårn, Magne Nordang; Ali, Deeqa Ahmed Mohamed; Grad, Iwona; Andresen, Kim; Kresse, Stine Henrichson; Munthe, Else; Serra, Massimo; Scotlandi, Katia; Llombart-Bosch, Antonio; Myklebost, Ola; Lind, Guro Elisabeth; Meza, Leonardo Zepeda (Journal article; Peer reviewed, 2022)
      Background Osteosarcoma is the most common primary malignant tumour of bone occurring in children and young adolescents and is characterised by complex genetic and epigenetic changes. The miRNA miR-486-5p has been shown ...
    • Monitoring multiple myeloma by quantification of recurrent mutations in serum 

      Rustad, Even Holth; Coward, Eivind; Skytøen, Emilie R; Misund, Kristine; Holien, Toril; Standal, Therese; Børset, Magne; Beisvag, Vidar; Myklebost, Ola; Meza, Leonardo Zepeda; Hong, Yan Dai; Sundan, Anders; Waage, Anders (Peer reviewed; Journal article, 2017)
      Circulating tumor DNA is a promising biomarker to monitor tumor load and genome alterations. We explored the presence of circulating tumor DNA in multiple myeloma patients and its relation to disease activity during long-term ...
    • Patterns of genomic evolution in advanced melanoma 

      Birkeland, Einar Elvbakken; Zhang, Shan; Poduval, Deepak; Geisler, Jürgen; Nakken, Sigve; Vodak, Daniel; Meza, Leonardo Zepeda; Hovig, Eivind; Myklebost, Ola; Knappskog, Stian; Lønning, Per Eystein (Peer reviewed; Journal article, 2018-07-10)
      Genomic alterations occurring during melanoma progression and the resulting genomic heterogeneity between metastatic deposits remain incompletely understood. Analyzing 86 metastatic melanoma deposits from 53 patients with ...
    • Sample-Index Misassignment Impacts Tumour Exome Sequencing 

      Vodak, Daniel; Lorenz, Susanne; Nakken, Sigve; Aasheim, Lars Birger; Holte, Harald; Bai, Baoyan; Myklebost, Ola; Meza, Leonardo Zepeda; Hovig, Eivind (Peer reviewed; Journal article, 2018-03-28)
      Sample pooling enabled by dedicated indexes is a common strategy for cost-effective and robust high-throughput sequencing. Index misassignment leading to mutual contamination between pooled samples has however been described ...