Browsing Bergen Open Research Archive by Author "Kalland, Karl-Henning"
Now showing items 1-20 of 21
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Amplification of the 20q Chromosomal Arm Occurs Early in Tumorigenic Transformation and May Initiate Cancer
Tabach, Yuval; Kogan-Sakin, Ira; Buganim, Yosef; Solomon, Hilla; Goldfinger, Naomi; Hovland, Randi; Ke, Xi-Song; Øyan, Anne Margrete; Kalland, Karl-Henning; Rotter, Varda; Domany, Eytan (Peer reviewed; Journal article, 2011-01-31)Duplication of chromosomal arm 20q occurs in prostate, cervical, colon, gastric, bladder, melanoma, pancreas and breast cancer, suggesting that 20q amplification may play a causal role in tumorigenesis. According to an ... -
Androgen receptor as potential therapeutic target in metastatic endometrial cancer
Tangen, Ingvild Løberg; Onyango, Therese Bredholt; Kopperud, Reidun Kristin; Berg, Anna; Halle, Mari Kyllesø; Øyan, Anne Margrete; Werner, Henrica Maria Johanna; Trovik, Jone; Kalland, Karl-Henning; Salvesen, Helga Birgitte; Krakstad, Camilla (Peer reviewed; Journal article, 2016-06-30)Purpose: The expression and involvement of estrogen (ER) and progesterone receptor (PR) is extensively studied in endometrial cancer. Androgen receptor (AR) is a hormone receptor less studied in female cancers, and we here ... -
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 ... -
Context dependent regulatory patterns of the androgen receptor and androgen receptor target genes
Olsen, Jan R; Azeem, Waqas; Hellem, Margrete R; Marvyin, Kristo; Hua, Yaping; Qu, Yi; Li, Lisha; Lin, Biaoyang; Ke, XI- S; Øyan, Anne Margrete; Kalland, Karl-Henning (Peer reviewed; Journal article, 2016-07-04)Background Expression of the androgen receptor (AR) is associated with androgen-dependent proliferation arrest and terminal differentiation of normal prostate epithelial cells. Additionally, activation of the AR is required ... -
Epithelial to Mesenchymal Transition of a Primary Prostate Cell Line with Switches of Cell Adhesion Modules but without Malignant Transformation
Ke, Xi-Song; Qu, Yi; Goldfinger, Naomi; Rostad, Kari; Hovland, Randi; Akslen, Lars A.; Rotter, Varda; Øyan, Anne Margrete; Kalland, Karl-Henning (Peer reviewed; Journal article, 2008-10-13)Background: Epithelial to mesenchymal transition (EMT) has been connected with cancer progression in vivo and the generation of more aggressive cancer cell lines in vitro. EMT has been induced in prostate cancer cell lines, ... -
Evaluation of β-catenin inhibition of axitinib and nitazoxanide in human monocyte-derived dendritic cells
Azeem, Waqas; Bakke, Ragnhild Maukon; Gabriel, Benjamin; Appel, Silke; Øyan, Anne Margrete; Kalland, Karl-Henning (Journal article; Peer reviewed, 2021)Modulation of β-catenin signaling has attractive therapeutic potential in cancer immunotherapy. Several studies have found that β-catenin can mediate immune evasion in cancer and promote anti-inflammatory features of ... -
Expression of circadian clock genes and proteins in urothelial cancer is related to cancer-associated genes
Litlekalsøy, Jorunn; Rostad, Kari; Kalland, Karl-Henning; Høstmark, Jens G.; Laerum, Ole D. (Peer reviewed; Journal article, 2016-07-27)Background: The purpose of this study was to evaluate invasive and metastatic potential of urothelial cancer by investigating differential expression of various clock genes/proteins participating in the 24 h circadian ... -
Gene expression in tumor cells and stroma in dsRed 4T1 tumors in eGFP-expressing mice with and without enhanced oxygenation
Moen, Ingrid; Jevne, Alison Charlotte; Wang, Jian; Kalland, Karl-Henning; Chekenya, Martha; Akslen, Lars A.; Sleire, Linda; Enger, Per Øyvind; Reed, Rolf K.; Øyan, Anne Margrete; Stuhr, Linda Elin Birkhaug (Peer reviewed; Journal article, 2012-01-17)Background The tumor microenvironment is pivotal in tumor progression. Thus, we aimed to develop a mammary tumor model to elucidate molecular characteristics in the stroma versus the tumor cell compartment by global gene ... -
Genes of cell-cell interactions, chemotherapy detoxification and apoptosis are induced during chemotherapy of acute myeloid leukemia
Øyan, Anne Margrete; Ånensen, Nina; Bø, Trond Hellem; Stordrange, Laila; Jonassen, Inge; Bruserud, Øystein; Kalland, Karl-Henning; Gjertsen, Bjørn Tore (Peer reviewed; Journal article, 2009-03-05)Background: The molecular changes in vivo in acute myeloid leukemia cells early after start of conventional genotoxic chemotherapy are incompletely understood, and it is not known if early molecular modulations reflect ... -
Global profiling of histone and DNA methylation reveals epigenetic-based regulation of gene expression during epithelial to mesenchymal transition in prostate cells
Ke, Xi-Song; Qu, Yi; Cheng, Yang; Li, Wen-Cheng; Rotter, Varda; Øyan, Anne Margrete; Kalland, Karl-Henning (Peer reviewed; Journal article, 2010-11-25)Background: Previously we reported extensive gene expression reprogramming during epithelial to mesenchymal transition (EMT) of primary prostate cells. Here we investigated the hypothesis that specific histone and DNA ... -
HER2 expression patterns in paired primary and metastatic endometrial cancer lesions
Halle, Mari Kyllesø; Tangen, Ingvild Løberg; Berg, Hege Fredriksen; Hoivik, Erling A; Mauland, Karen Klepsland; Kusonmano, Kanthida; Berg, Anna; Hurtado, Antoni; Kalland, Karl-Henning; Øyan, Anne Margrete; Stefansson, Ingunn; Vintermyr, Olav Karsten; Werner, Henrica Maria Johanna; Haldorsen, Ingfrid S.; Trovik, Jone; Salvesen, Helga Birgitte; Krakstad, Camilla (Peer reviewed; Journal article, 2017-11-23)Background: Despite successful implementation of drugs targeting the human epidermal growth factor receptor 2 (HER2) receptor in breast and gastric cancers, the potential of HER2 as a therapeutic target in other cancers ... -
High BMI is significantly associated with positive progesterone receptor status and clinico-pathological markers for non-aggressive disease in endometrial cancer
Mauland, Karen Klepsland; Trovik, Jone; Wik, Elisabeth; Ræder, Maria B.; Njølstad, Tormund Salvesen; Stefansson, Ingunn Marie; Øyan, Anne Margrete; Kalland, Karl-Henning; Bjørge, Tone; Akslen, Lars A.; Salvesen, Helga Birgitte (Peer reviewed; Journal article, 2011)Background: Endometrial cancer incidence is increasing in industrialised countries. High body mass index (BMI, kg m−2) is associated with higher risk for disease. We wanted to investigate if BMI is related to clinico-pathological ... -
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, ... -
Hyperoxic Treatment Induces Mesenchymal-to-Epithelial Transition in a Rat Adenocarcinoma Model
Moen, Ingrid; Øyan, Anne Margrete; Kalland, Karl-Henning; Tronstad, Karl Johan; Akslen, Lars A.; Chekenya, Martha; Sakariassen, Per Øystein; Reed, Rolf K.; Stuhr, Linda Elin Birkhaug (Peer reviewed; Journal article, 2009-07-28)Tumor hypoxia is relevant for tumor growth, metabolism and epithelial-to-mesenchymal transition (EMT). We report that hyperbaric oxygen (HBO) treatment induced mesenchymal-to-epithelial transition (MET) in a dimetyl-a-be ... -
Integrated Genomic Analysis of the 8q24 Amplification in Endometrial Cancers Identifies ATAD2 as Essential to MYC-Dependent Cancers
Ræder, Maria B.; Birkeland, Even; Trovik, Jone; Krakstad, Camilla; Shehata, Shyemaa; Schumacher, Steven; Zack, Travis I.; Krohn, Antje; Werner, Henrica Maria Johanna; Moody, Susan E.; Wik, Elisabeth; Stefansson, Ingunn; Holst, Frederik; Øyan, Anne Margrete; Tamayo, Pablo; Mesirov, Jill P.; Kalland, Karl-Henning; Akslen, Lars A.; Simon, Ronald; Beroukhim, Rameen; Salvesen, Helga Birgitte (Peer reviewed; Journal article, 2013-02-05)Chromosome 8q24 is the most commonly amplified region across multiple cancer types, and the typical length of the amplification suggests that it may target additional genes to MYC. To explore the roles of the genes most ... -
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 ... -
Lipocalin 2 expression is associated with aggressive features of endometrial cancer
Mannelqvist, Monica; Stefansson, Ingunn; Wik, Elisabeth; Kusonmano, Kanthida; Ræder, Maria B.; Øyan, Anne Margrete; Kalland, Karl-Henning; Moses, Marsha A.; Salvesen, Helga Birgitte; Akslen, Lars A. (Peer reviewed; Journal article, 2012-05-06)Background: Increased expression of lipocalin 2 (LCN2) has been observed in several cancers. The aim of the present study was to investigate LCN2 in endometrial cancer in relation to clinico-pathologic phenotype, angiogenesis, ... -
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 ... -
Switch in FOXA1 status associates with endometrial cancer progression
Tangen, Ingvild Løberg; Krakstad, Camilla; Halle, Mari Kyllesø; Werner, Henrica Maria Johanna; Øyan, Anne Margrete; Kusonmano, Kanthida; Petersen, Kjell; Kalland, Karl-Henning; Akslen, Lars A.; Trovik, Jone; Rodriguez, Antoni Hurtado; Salvesen, Helga Birgitte (Peer reviewed; Journal article, 2014-05-21)Background: The transcription factor Forkhead box A1 (FOXA1) is suggested to be important in hormone dependent cancers, although with little data for endometrial cancer. We investigated expression levels of FOXA1 in primary ...