Browsing Department of Biomedicine by Author "Reed, Rolf K."
Now showing items 1-19 of 19
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The effect of stromal integrin β3-deficiency on two different tumors in mice
Reigstad, Inga; Sortland, Kristina; Skogstrand, Trude; Reed, Rolf K.; Stuhr, Linda Elin Birkhaug (Peer reviewed; Journal article, 2016-01-12) -
Epac1 Is Crucial for Maintenance of Endothelial Barrier Function through A Mechanism Partly Independent of Rac1
Garcia-Ponce, Alexander; Schuster, Katharina; Døskeland, Stein Ove; Reed, Rolf K.; Curry, Fitz-Roy E.; Wasche, Jens; Radeva, Mariya Y (Journal article; Peer reviewed, 2020)Epac1 (exchange protein activated by cAMP) stabilizes the endothelial barrier, but detailed studies are limited by the side effects of pharmacological Epac1 modulators and transient transfections. Here, we compare the key ... -
Epac1 null mice have nephrogenic diabetes insipidus with deficient corticopapillary osmotic gradient and weaker collecting duct tight junctions
Åsrud, Kathrine Sivertsen; Bjørnstad, Ronja; Kopperud, Reidun Kristin; Pedersen, Line; van der Hoeven, Barbara; Karlsen, Tine Veronica; Rygh, Cecilie Brekke; Curry, Fitz-Roy; Bakke, Marit; Reed, Rolf K.; Tenstad, Olav; Døskeland, Stein Ove (Journal article; Peer reviewed, 2020)Aim The cAMP‐mediator Epac1 (RapGef3) has high renal expression. Preliminary observations revealed increased diuresis in Epac1−/− mice. We hypothesized that Epac1 could restrict diuresis by promoting transcellular collecting ... -
Fibroblast EXT1-Levels Influence Tumor Cell Proliferation and Migration in Composite Spheroids
Österholm, Cecilia; Lu, Ning; Lidén, Åsa; Karlsen, Tine V.; Gullberg, Donald; Reed, Rolf K.; Kusche-Gullberg, Marion (Peer reviewed; Journal article, 2012-07-25)Background: Stromal fibroblasts are important determinants of tumor cell behavior. They act to condition the tumor microenvironment, influence tumor growth, support tumor angiogenesis and affect tumor metastasis. Heparan ... -
Fibroblast α11β1 Integrin Regulates Tensional Homeostasis in Fibroblast/A549 Carcinoma Heterospheroids
Lu, Ning; Karlsen, Tine Veronica; Reed, Rolf K.; Kusche-Gullberg, Marion; Gullberg, Donald (Peer reviewed; Journal article, 2014-07-30)We have previously shown that fibroblast expression of α11β1 integrin stimulates A549 carcinoma cell growth in a xenograft tumor model. To understand the molecular mechanisms whereby a collagen receptor on fibroblast can ... -
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 ... -
Hyperoxia increases the uptake of 5-fluorouracil in mammary tumors independently of changes in interstitial fluid pressure and tumor stroma
Moen, Ingrid; Tronstad, Karl Johan; Kolmannskog, Odd; Salvesen, Gerd Signe; Reed, Rolf K.; Stuhr, Linda Elin Birkhaug (Peer reviewed; Journal article, 2009-12-17)Background: Hypoxia is associated with increased resistance to chemo- and radiation-therapy. Hyperoxic treatment (hyperbaric oxygen) has previously been shown to potentiate the effect of some forms of chemotherapy, and ... -
Hyperoxia retards growth and induces apoptosis and loss of glands and blood vessels in DMBA-induced rat mammary tumors
Raa, Anette; Stansberg, Christine; Steen, Vidar Martin; Bjerkvig, Rolf; Reed, Rolf K.; Stuhr, Linda Elin Birkhaug (Journal article, 2007-01-30)This study investigated the effects of hyperoxic treatment on growth, angiogenesis, apoptosis, general morphology and gene expression in DMBA-induced rat mammary tumors. Methods: One group of animals was exposed to normobaric ... -
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 ... -
Image-based assessment of microvascular function and structure in collagen XV- and XVIII-deficient mice
Brekke, Cecilie; Løkka, Guro; Heljäsvaara, Ritva; Taxt, Torfinn; Pavlin, Tina; Sormunen, Raija T.; Pihlajaniemi, Taina; Curry, Fitz-Roy E.; Tenstad, Olav; Reed, Rolf K. (Peer reviewed; Journal article, 2014-01)Collagen XV and XVIII are ubiquitous constituents of basement membranes. We aimed to study the physiological roles of these two components of the permeability barrier non-invasively in striated muscle in mice deficient in ... -
Increased Fibrosis and Interstitial Fluid Pressure in Two Different Types of Syngeneic Murine Carcinoma Grown in Integrin β3-Subunit Deficient Mice
Friman, Tomas; Gustafsson, Renata; Stuhr, Linda Elin Birkhaug; Chidiac, Jean; Heldin, Nils-Erik; Reed, Rolf K.; Oldberg, Åke; Rubin, Kristofer (Peer reviewed; Journal article, 2012-03-30)Stroma properties affect carcinoma physiology and direct malignant cell development. Here we present data showing that αVβ3 expressed by stromal cells is involved in the control of interstitial fluid pressure (IFP), ... -
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 ... -
Matrix metalloproteinase-2 knockout and heterozygote mice are protected from hydronephrosis and kidney fibrosis after unilateral ureteral obstruction
Tveitarås, Maria Kathrine; Skogstrand, Trude; Leh, Sabine Maria; Helle, Frank; Iversen, Bjarne Magnus; Chatziantoniou, Christos; Reed, Rolf K.; Hultström, Michael (Peer reviewed; Journal article, 2015-12-16)Matrix Metalloproteinase-2 (Mmp2) is a collagenase known to be important in the development of renal fibrosis. In unilateral ureteral obstruction (UUO) the obstructed kidney (OK) develops fibrosis, while the contralateral ... -
Oxygen-dependent regulation of tumor growth and metastasis in human breast cancer xenografts
Sletta, Kristine Yttersian; Tveitarås, Maria Kathrine; Lu, Ning; Svendsen, Agnete; Reed, Rolf K.; Garmann-Johnsen, Annette; Stuhr, Linda Elin Birkhaug (Peer reviewed; Journal article, 2017-08-23)Background: Tumor hypoxia is relevant for tumor growth, metabolism, resistance to chemotherapy and metastasis. We have previously shown that hyperoxia, using hyperbaric oxygen treatment (HBOT), attenuates tumor growth and ... -
Protein expression profiling of plasma and lungs at different stages of metastatic development in a human triple negative breast cancer xenograft model.
TVEITARÅS, MK; Selheim, Frode; Sortland, Kristina; Salvesen, Gerd Signe; Reed, Rolf K.; Stuhr, Linda Elin Birkhaug (Peer reviewed; Journal article, 2019-05-01)The main objective of this study was to identify single proteins or protein networks that might be used as diagnostic biomarkers or for therapeutic purposes by evaluating the protein expression profiling of plasma and lungs ... -
Stromal integrin α11-deficiency reduces interstitial fluid pressure and perturbs collagen structure in triple-negative breast xenograft tumors
Smeland, Hilde Ytre-Hauge; Lu, Ning; Karlsen, Tine Veronica; Salvesen, Gerd Signe; Reed, Rolf K.; Stuhr, Linda Elin Birkhaug (Peer reviewed; Journal article, 2019-03-15)Background: Cancer progression is influenced by a pro-tumorigenic microenvironment. The aberrant tumor stroma with increased collagen deposition, contractile fibroblasts and dysfunctional vessels has a major impact on the ... -
Stromal integrin α11β1 affects RM11 prostate and 4T1 breast xenograft tumors differently
Reigstad, Inga; Smeland, Hilde Ytre-Hauge; Skogstrand, Trude; Sortland, Kristina; Schmid, Caroline; Reed, Rolf K.; Stuhr, Linda Elin Birkhaug (Peer reviewed; Journal article, 2016-03-18)Purpose It has been implied that the collagen binding integrin α11β1 plays a role in carcinogenesis. As still relatively little is known about how the stromal integrin α11β1 affects different aspects of tumor development, ... -
Targeting the NG2/CSPG4 Proteoglycan Retards Tumour Growth and Angiogenesis in Preclinical Models of GBM and Melanoma
Wang, Jian; Svendsen, Agnete; Kmiecik, Justyna; Immervoll, Heike; Skaftnesmo, Kai Ove; Planagumà, Jesús; Reed, Rolf K.; Bjerkvig, Rolf; Miletic, Hrvoje; Enger, Per Øyvind; Rygh, Cecilie Brekke; Chekenya, Martha (Peer reviewed; Journal article, 2011-07-29)Aberrant expression of the progenitor marker Neuron-glia 2 (NG2/CSPG4) or melanoma proteoglycan on cancer cells and angiogenic vasculature is associated with an aggressive disease course in several malignancies including ... -
Time course of decompensation after angiotensin II and high-salt diet in Balb/CJ mice suggests pulmonary hypertension-induced cardiorenal syndrome
Becirovic-Agic, Mediha; Jönsson, Sofia; Tveitarås, Maria Kathrine; Skogstrand, Trude; Karlsen, Tine Veronica; Liden, Åsa; Leh, Sabine Maria; Ericsson, Madelene; Nilsson, Stefan K.; Reed, Rolf K.; Hultström, Michael (Peer reviewed; Journal article, 2019-05-01)The genetic background of a mouse strain determines its susceptibility to disease. C57BL/6J and Balb/CJ are two widely used inbred mouse strains that we found react dramatically differently to angiotensin II and high-salt ...