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Browsing Greinar- HÍ by Department "Biomedical Center (UI)"

Browsing Greinar- HÍ by Department "Biomedical Center (UI)"

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    Extensive genetic differentiation between recently evolved sympatric Arctic charr morphs 
    Guðbrandsson, Jóhannes; Kapralova, Kalina; Franzdottir, Sigridur Rut; Bergsveinsdóttir, Þóra Margrét; Hafstað, Völundur; Jónsson, Zophonías Oddur; Snorrason, Sigurður S.; Palsson, Arnar (Wiley, 2019-09-12)
    The availability of diverse ecological niches can promote adaptation of trophic specializations and related traits, as has been repeatedly observed in evolutionary radiations of freshwater fish. The role of genetics, environment, and history in ...
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    The FANCM:p.Arg658* truncating variant is associated with risk of triple-negative breast cancer 
    Figlioli, Gisella; Agnarsson, Bjarni A.; Barkardottir, Rosa Bjork (Springer Science and Business Media LLC, 2019-11-01)
    Breast cancer is a common disease partially caused by genetic risk factors. Germline pathogenic variants in DNA repair genes BRCA1, BRCA2, PALB2, ATM, and CHEK2 are associated with breast cancer risk. FANCM, which encodes for a DNA translocase, has ...
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    Genome-wide associations for benign prostatic hyperplasia reveal a genetic correlation with serum levels of PSA 
    Gudmundsson, Julius; Sigurðsson, Jón K.; Stefánsdóttir, Lilja; Agnarsson, Bjarni A.; Ísaksson, Helgi J.; Stefánsson, Ólafur A.; Guðjónsson, Sigurjón Axel; Gudbjartsson, Daniel; Másson, Gísli; Frigge, Michael L.; Stacey, Simon N.; sulem, patrick; Halldorsson, Gisli; Tragante, Vinicius; Holm, Hilma; Eyjólfsson, Guðmundur I.; Sigurðardóttir, Ólöf; Olafsson, Isleifur; Jónsson, Þorvaldur; Jónsson, Eirikur; Barkardottir, Rosa Bjork; Hilmarsson, Rafn; Asselbergs, Folkert W.; Geirsson, Guðmundur; Thorsteinsdottir, Unnur; Rafnar, Thorunn; Thorleifsson, Gudmar; Stefansson, Kari (Springer Science and Business Media LLC, 2018-11-08)
    Benign prostatic hyperplasia and associated lower urinary tract symptoms (BPH/LUTS) are common conditions affecting the majority of elderly males. Here we report the results of a genome-wide association study of symptomatic BPH/LUTS in 20,621 patients ...
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    High expression of the vacuole membrane protein 1 (VMP1) is a potential marker of poor prognosis in HER2 positive breast cancer 
    Amirfallah, Arsalan; Arason, Adalgeir; Einarsson, Hjörleifur; Guðmundsdóttir, Eydís Þórunn; Freysteinsdóttir, Edda Sigríður; Ólafsdóttir, Kristrún Auður; Jóhannsson, Óskar Þór; Agnarsson, Bjarni A.; Barkardottir, Rosa Bjork; Reynisdottir, Inga (Public Library of Science (PLoS), 2019-08-23)
    Background: Fusion genes result from genomic structural changes, which can lead to alterations in gene expression that supports tumor development. The aim of the study was to use fusion genes as a tool to identify new breast cancer (BC) genes with a ...
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    Host Directed Therapy Against Infection by Boosting Innate Immunity 
    Bergman, Peter; Raqib, Rubhana; Rekha, Rokeya Sultana; Agerberth, Birgitta; Gudmundsson, Gudmundur H (Frontiers Media SA, 2020-06-12)
    The innate immune system constitutes the first line of defense against invading pathogens, regulating the normal microbiota and contributes to homeostasis. Today we have obtained detailed knowledge on receptors, signaling pathways, and effector molecules ...
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    Immune responses in the treatment of drug-sensitive pulmonary tuberculosis with phenylbutyrate and vitamin D3 as host directed therapy 
    Rekha, Rokeya Sultana; Mily, Akhirunnesa; Sultana, Tajnin; Haq, Ahsanul; Ahmed, Sultan; Mostafa Kamal, S. M.; van Schadewijk, Annemarie; Hiemstra, Pieter S.; Guðmundsson, Guðmundur Hrafn; Agerberth, Birgitta; Raqib, Rubhana (Springer Nature, 2018-07-04)
    Background We have previously shown that 8 weeks’ treatment with phenylbutyrate (PBA) (500mgx2/day) with or without vitamin D3 (vitD3) (5000 IU/day) as host-directed therapy (HDT) accelerated clinical recovery, sputum culture conversion and increased ...
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    Lactose Induces Phenotypic and Functional Changes of Neutrophils and Macrophages to Alleviate Acute Pancreatitis in Mice 
    Pan, Li-Long; Deng, Yuan-Yuan; Wang, Ruxing; Wu, Chengfei; Li, Jiahong; Niu, Wenying; Yang, Qin; Bhatia, Madhav; Guðmundsson, Guðmundur Hrafn; Agerberth, Birgitta; Diana, Julien; Sun, Jia (Frontiers Media SA, 2018-04-17)
    Acute pancreatitis (AP) is one common clinical acute abdominal disease, for which specific pharmacological or nutritional therapies remain elusive. Lactose, a macronutrient and an inducer of host innate immune responses, possesses immune modulatory ...
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    Melflufen, a peptide‐conjugated alkylator, is an efficient anti‐neo‐plastic drug in breast cancer cell lines 
    Schepsky, Alexander; Traustadóttir, Gunnhildur Ásta; Jóelsson, Jón Pétur; Ingþórsson, Sævar; Kricker, Jennifer; Bergthorsson, Jon Thor; Ásbjarnarson, Árni; Gudjonsson, Thorkell; Nupponen, Nina; Slipicevic, Ana; Lehmann, Fredrik; Gudjonsson, Thorarinn (Wiley, 2020-07-27)
    Melphalan flufenamide (hereinafter referred to as “melflufen”) is a peptide-conjugated drug currently in phase 3 trials for the treatment of relapsed or refractory multiple myeloma. Due to its lipophilic nature, it readily enters cells, where it is ...
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    Metabolic re-wiring of isogenic breast epithelial cell lines following epithelial to mesenchymal transition 
    Halldorsson, Skarphedinn; Rohatgi, Neha; Magnúsdóttir, Manuela; Choudhary, Kumari Sonal; Gudjonsson, Thorarinn; Knutsen, Erik; Barkovskaya, Anna; Hilmarsdóttir, Bylgja; Perander, Maria; Mælandsmo, Gunhild M.; Guðmundsson, Steinn; Rolfsson, Óttar (Elsevier BV, 2017-06)
    Epithelial to mesenchymal transition (EMT) has implications in tumor progression and metastasis. Metabolic alterations have been described in cancer development but studies focused on the metabolic re-wiring that takes place during EMT are still limited. ...
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    The microphthalmia-associated transcription factor (Mitf) gene and its role in regulating eye function 
    García-Llorca, Andrea; Gudmundsdottir Aspelund, Snaefridur; Ogmundsdottir, Margret H; Steingrimsson, Eirikur; Eysteinsson, Thor (Springer Science and Business Media LLC, 2019-10-28)
    Mutations in the microphthalmia-associated transcription factor (Mitf) gene can cause retinal pigment epithelium (RPE) and retinal dysfunction and degeneration. We examined retinal and RPE structure and function in 3 month old mice homo- or heterozygous ...
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    MiR-203a is differentially expressed during branching morphogenesis and EMT in breast progenitor cells and is a repressor of peroxidasin 
    Briem, Eiríkur; Budkova, Zuzana; Sigurðardóttir, Anna Karen; Hilmarsdóttir, Bylgja; Kricker, Jennifer; Timp, Winston; Magnusson, Magnus Karl; Traustadottir, Gunnhildur Asta; Gudjonsson, Thorarinn (Elsevier BV, 2019-02)
    MicroRNAs regulate developmental events such as branching morphogenesis, epithelial to mesenchymal transition (EMT) and its reverse process mesenchymal to epithelial transition (MET). In this study, we performed small RNA sequencing of a breast epithelial ...
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    miR-9 Does Not Regulate Lamin A Expression in Metastatic Cells from Lung Adenocarcinoma 
    Guinde, Julien; Benoit, Audrey; Frankel, Diane; Robert, Stéphane; Ostacolo, Kevin; Lévy, Nicolas; Astoul, Philippe; Roll, Patrice; Kaspi, Elise (MDPI AG, 2020-02-26)
    In lung adenocarcinoma, low lamin A expression in pleural metastatic cells has been proposed as a pejorative factor. miR-9 physiologically inhibits the expression of lamin A in neural cells and seems to be a central actor in the carcinogenesis and the ...
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    MITF and TFEB cross-regulation in melanoma cells 
    Ballesteros Alvarez, Josue; Dilshat, Ramile; Fock, Valerie; Möller, Katrin; Karl, Ludwig; LARUE, Lionel; Ogmundsdottir, Margret H; Steingrimsson, Eirikur (Public Library of Science (PLoS), 2020-09-03)
    The MITF, TFEB, TFE3 and TFEC (MiT-TFE) proteins belong to the basic helix-loop-helix family of leucine zipper transcription factors. MITF is crucial for melanocyte development and differentiation, and has been termed a lineage-specific oncogene in ...
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    MITF has a central role in regulating starvation-induced autophagy in melanoma 
    Möller, Katrin; Sigurbjornsdottir, Sara; Arnþórsson, Ásgeir O.; Pogenberg, Vivian; Dilshat, Ramile; Fock, Valerie; Brynjólfsdóttir, Sólveig Hlín; Bindesboll, Christian; Bessadóttir, Margrét; Ögmundsdóttir, Helga M.; Simonsen, Anne; Larue, Lionel; Wilmanns, Matthias; Thorsson, Vésteinn; Steingrimsson, Eirikur; Ogmundsdottir, Margret H (Springer Science and Business Media LLC, 2019-01-31)
    The MITF transcription factor is a master regulator of melanocyte development and a critical factor in melanomagenesis. The related transcription factors TFEB and TFE3 regulate lysosomal activity and autophagy processes known to be important in ...
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    Mitf is a master regulator of the v-ATPase, forming a control module for cellular homeostasis with v-ATPase and TORC1 
    Zhang, T.; Zhou, Q.; Ogmundsdottir, Margret H; Möller, Katrin; Siddaway, R.; Larue, L.; Hsing, M.; Kong, S. W.; Goding, C. R.; Palsson, Arnar; Steingrimsson, Eirikur; Pignoni, F. (The Company of Biologists, 2015-06-19)
    The v-ATPase is a fundamental eukaryotic enzyme that is central to cellular homeostasis. Although its impact on key metabolic regulators such as TORC1 is well documented, our knowledge of mechanisms that regulate v-ATPase activity is limited. Here, we ...
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    Mitf Links Neuronal Activity and Long-Term Homeostatic Intrinsic Plasticity 
    Atacho, Diahann A. M.; Reynisson, Hallur; Pétursdóttir, Anna Þóra; Eysteinsson, Thor; Steingrimsson, Eirikur; Petersen, Petur Henry (Society for Neuroscience, 2020-03)
    Neuroplasticity forms the basis for neuronal circuit complexity and differences between otherwise similar circuits. We show that the microphthalmia-associated transcription factor (Mitf) plays a central role in intrinsic plasticity of olfactory bulb ...
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    NBEAL1 controls SREBP2 processing and cholesterol metabolism and is a susceptibility locus for coronary artery disease 
    Bindesbøll, Christian; Aas, Aleksander; Ogmundsdottir, Margret H; Pankiv, Serhiy; Reine, Trine; Zoncu, Roberto; Simonsen, Anne (Springer Science and Business Media LLC, 2020-03-11)
    Dysregulated cholesterol homeostasis promotes the pathology of atherosclerosis, myocardial infarction and strokes. Cellular cholesterol is mainly regulated at the transcriptional level by SREBP2, but also through uptake of extracellular cholesterol ...
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    Novel aroylated phenylenediamine compounds enhance antimicrobial defense and maintain airway epithelial barrier integrity 
    Myszor, Iwona Teresa; Parveen, Zahida; Ottosson, Håkan; Bergman, Peter; Agerberth, Birgitta; Strömberg, Roger; Gudmundsson, Gudmundur H (Springer Science and Business Media LLC, 2019-05-08)
    Aroylated phenylenediamines (APDs) are novel inducers of innate immunity enhancing cathelicidin gene expression in human bronchial epithelial cell lines. Here we present two newly developed APDs and aimed at defining the response and signaling pathways ...
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    Obesity modulates the association between sleep apnea treatment and CHI3L1 levels but not CHIT1 activity in moderate to severe OSA: an observational study 
    Teitsdóttir, Unnur Diljá; Arnardottir, Erna Sif; Björnsdóttir, Erla; Gislason, Thorarinn; Petersen, Petur Henry (Springer Nature, 2018-10-11)
    Purpose The inflammatory markers chitinase-3-like protein 1 (CHI3L1) and chitotriosidase (CHIT1) have both been associated with cardiovascular complications. The aim of this preliminary observational study was to assess the roles and interaction ...
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    A proximity-labeling proteomic approach to investigate invadopodia molecular landscape in breast cancer cells 
    Thuault, Sylvie; Mamelonet, Claire; Salameh, Joëlle; Ostacolo, Kevin; Chanez, Brice; Salaün, Danièle; Baudelet, Emilie; Audebert, Stéphane; Camoin, Luc; Badache, Ali (Springer Science and Business Media LLC, 2020-04-22)
    Metastatic progression is the leading cause of mortality in breast cancer. Invasive tumor cells develop invadopodia to travel through basement membranes and the interstitial matrix. Substantial efforts have been made to characterize invadopodia molecular ...