Blar i Bergen Open Research Archive på forfatter "Vethe, Heidrun"
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Bioinformatic analyses of miRNA-mRNA signature during hiPSC differentiation towards insulin-producing cells upon HNF4α mutation
Ghila, Luiza; Bjørlykke, Yngvild; Legøy, Thomas Aga; Vethe, Heidrun; Furuyama, Kenichiro; Chera, Simona; Ræder, Helge (Journal article; Peer reviewed, 2020)Mutations in the hepatocyte nuclear factor 4α (HNF4α) gene affect prenatal and postnatal pancreas development, being characterized by insulin-producing β-cell dysfunction. Little is known about the cellular and molecular ... -
Discovery and initial verification of differentially abundant proteins between multiple sclerosis patients and controls using iTRAQ and SID-SRM
Kroksveen, Ann Cathrine; Aasebø, Elise; Vethe, Heidrun; van Pesch, Vincent; Franciotta, Diego; Teunissen, Charlotte E.; Ulvik, Rune Johan; Vedeler, Christian A.; Myhr, Kjell-Morten; Barsnes, Harald; Berven, Frode (Peer reviewed; Journal article, 2013-01)In the present study, we aimed to discover cerebrospinal fluid (CSF) proteins with significant abundance difference between early multiple sclerosis patients and controls, and do an initial verification of these proteins ... -
The effect of WnT pathway modulators on human iPSC-derived pancreatic beta cell maturation
Vethe, Heidrun; Ghila, Luiza; Berle, Magnus; Hoareau, Laurence; Haaland, Øystein Ariansen; Scholz, Hanne; Paulo, Joao A.; Chera, Simona; Ræder, Helge (Peer reviewed; Journal article, 2019-05-08)Current published protocols for targeted differentiation of human stem cells toward pancreatic β-cells fail to deliver sufficiently mature cells with functional properties comparable to human islet β-cells. We aimed to ... -
Encapsulation boosts islet-cell signature in differentiating human induced pluripotent stem cells via integrin signalling
Legøy, Thomas Aga; Vethe, Heidrun; Abadpour, Shadab; Strand, Berit Løkensgard; Scholz, Hanne; Paulo, Joao A.; Ræder, Helge; Ghila, Luiza; Chera, Simona (Journal article; Peer reviewed, 2020)Cell replacement therapies hold great therapeutic potential. Nevertheless, our knowledge of the mechanisms governing the developmental processes is limited, impeding the quality of differentiation protocols. Generating ... -
Hypoxia induced responses are reflected in the stromal proteome of breast cancer
Kjølle, Silje; Finne, Kenneth; Birkeland, Even; Ardawatia, Vandana; Winge, Ingeborg; Aziz, Sura Mohammed; Knutsvik, Gøril; Wik, Elisabeth; Paulo, Joao A.; Vethe, Heidrun; Kleftogiannis, Dimitrios; Akslen, Lars Andreas (Journal article; Peer reviewed, 2023)Cancers are often associated with hypoxia and metabolic reprogramming, resulting in enhanced tumor progression. Here, we aim to study breast cancer hypoxia responses, focusing on secreted proteins from low-grade (luminal-like) ... -
In vivo environment swiftly restricts human pancreatic progenitors toward mono-hormonal identity via a HNF1A/HNF4A mechanism
Legøy, Thomas Aga; Mathisen, Andreas Frøslev; Salim, Zaidon; Vethe, Heidrun; Bjørlykke, Yngvild; Abadpour, Shadab; Paulo, Joao; Scholz, Hanne; Ræder, Helge; Ghila, Luiza; Chera, Simona (Journal article; Peer reviewed, 2020)Generating insulin-producing β-cells from human induced pluripotent stem cells is a promising cell replacement therapy for improving or curing insulin-dependent diabetes. The transplantation of end-stages differentiating ... -
In vivo hyperglycemia exposure elicits distinct period-dependent effects on human pancreatic progenitor differentiation, conveyed by oxidative stress
Legøy, Thomas Aga; Ghila, Luiza; Vethe, Heidrun; Abadpour, Shadab; Mathisen, Andreas; Paulo, Joao A.; Scholz, Hanne; Ræder, Helge; Chera, Simona (Peer reviewed; Journal article, 2020)Aim: The loss of insulin‐secreting β‐cells, ultimately characterizing most diabetes forms, demands the development of cell replacement therapies. The common endpoint for all ex vivo strategies is transplantation into ... -
In-depth characterization of the cerebrospinal fluid (CSF) proteome displayed through the CSF proteome resource (CSF-PR)
Guldbrandsen, Astrid; Vethe, Heidrun; Farag, Yehia Mohamed Mokhtar; Oveland, Eystein; Garberg, Hilde Kristin; Berle, Magnus Foldal; Myhr, Kjell-Morten; Opsahl, Jill Anette; Barsnes, Harald; Berven, Frode (Peer reviewed; Journal article, 2014-11)In this study, the human cerebrospinal fluid (CSF) proteome was mapped using three different strategies prior to Orbitrap LC-MS/MS analysis: SDS-PAGE and mixed mode reversed phase-anion exchange for mapping the global CSF ... -
Leptin receptor signaling regulates protein synthesis pathways and neuronal differentiation in pluripotent stem cells
Gupta, Manoj K.; Vethe, Heidrun; Softic, Samir; Rao, Tata Nageswara; Wagh, Vilas; Shirakawa, Jun; Barsnes, Harald; Vaudel, Marc; Takatani, Tomozumi; Kahraman, Sevim; Sakaguchi, Masaji; Martinez, Rachael; Hu, Jiang; Bjørlykke, Yngvild; Ræder, Helge; Kulkarni, Rohit N. (Journal article; Peer reviewed, 2020)The role of leptin receptor (OB-R) signaling in linking pluripotency with growth and development and the consequences of dysfunctional leptin signaling on progression of metabolic disease is poorly understood. Using a ... -
Mapping Proteome Changes in Microsatellite Stable, Recurrent Colon Cancer Reveals a Significant Immune System Signature
Berle, Magnus; Hestetun, Kjersti Elvestad; Vethe, Heidrun; Chera, Simona; Paulo, Joao A.; Dahl, Olav; Myklebust, Mette Pernille (Journal article; Peer reviewed, 2022)Background/Aim: Better stratification of the risk of relapse will help select the right patients for adjuvant treatment and improve targeted therapies for patients with colon cancer. Materials and Methods: To understand ... -
Mass spectrometry-based proteomics of human cerebrospinal fluid. Biomarker discovery and verification in multiple sclerosis
Vethe, Heidrun (Master thesis, 2012-06-01)The main focus of this study was to use mass spectrometry-based proteomics to study protein abundance in cerebrospinal fluid (CSF) to reveal proteins that could serve as biomarker candidates in multiple sclerosis (MScl). ... -
Modulating Wnt signaling in human induced pluripotent stem cell-derived S7 cells
Vethe, Heidrun; Ghila, Luiza; Berle, Magnus; Hoareau, Laurence; Haaland, Øystein Ariansen; Scholz, Hanne; Paulo, Joao A.; Chera, Simona; Ræder, Helge (Peer reviewed; Journal article, 2019)Current published protocols for targeted differentiation of human stem cells toward pancreatic β-cells fail to deliver sufficiently mature cells with functional properties comparable to human islet β-cells. We aimed to ... -
Proteomic analysis of formalin-fixed paraffin-embedded glomeruli suggests depletion of glomerular filtration barrier proteins in two-kidney one-clip hypertensive rats
Finne, Kenneth; Vethe, Heidrun; Skogstrand, Trude; Leh, Sabine Maria; Dahl, Tone Dolva; Tenstad, Olav; Berven, Frode S.; Reed, Rolf K.; Vikse, Bjørn Egil (Peer reviewed; Journal article, 2014-08-16)Background It is well known that hypertension may cause glomerular damage, but the molecular mechanisms involved are still incompletely understood. Methods In the present study, we used formalin-fixed paraffin-embedded ... -
Reprogrammed Cells Display Distinct Proteomic SignaturesAssociated with Colony Morphology Variability
Bjørlykke, Yngvild; Søviknes, Anne Mette; Hoareau, Laurence; Vethe, Heidrun; Mathisen, Andreas; Chera, Simona; Vaudel, Marc; Ghila, Luiza; Ræder, Helge (Peer reviewed; Journal article, 2019-11-18)Human induced pluripotent stem cells (hiPSCs) are of high interest because they can be differentiated into a vast range of different cell types. Ideally, reprogrammed cells should sustain long-term culturing in an ...