Opin vísindi

Browsing by Subject "Oncology"

Browsing by Subject "Oncology"

Sort by: Order: Results:

  • Hreinsson, Johann P.; Ægisdottir, Silja; Björnsson, Einar Stefán (2019-12-01)
    Background: Data on the natural history of acute lower gastrointestinal bleeding (ALGIB) are lacking. We evaluated five-year bleeding risk and mortality in ALGIB patients and controls. Furthermore, we aimed to find predictors of rebleeding. Methods: ...
  • Miettinen, Juho J.; Kumari, Romika; Traustadóttir, Gunnhildur Ásta; Huppunen, Maiju Emilia; Sergeev, Philipp; Majumder, Muntasir M.; Schepsky, Alexander; Guðjónsson, Þórarinn; Lievonen, Juha; Bazou, Despina; Dowling, Paul; O‘gorman, Peter; Slipicevic, Ana; Anttila, Pekka; Silvennoinen, Raija; Nupponen, Nina N.; Lehmann, Fredrik; Heckman, Caroline A. (2021-03-26)
    Multiple myeloma (MM) is characterized by extensive immunoglobulin production leading to an excessive load on protein homeostasis in tumor cells. Aminopeptidases contribute to proteolysis by catalyzing the hydrolysis of amino acids from proteins or ...
  • Yanes, Manar; Santoni, Giola; Maret-Ouda, John; Ness-Jensen, Eivind; Färkkilä, Martti; Lynge, Elsebeth; Nwaru, Bright; Pukkala, Eero; Romundstad, Pål; Tryggvadottir, Laufey; von Euler-Chelpin, My; Lagergren, Jesper (Elsevier BV, 2020-10)
    Introduction: Airway micro-aspiration might contribute to the proposed associations between gastroesophageal reflux disease (GERD) and some lung diseases, including lung cancer. This study aimed to examine the hypothesis that antireflux surgery decreases ...
  • Stefánsson, Ólafur A.; Hilmarsdóttir, Hólmfridur; Ólafsdóttir, Kristrún; Tryggvadóttir, Laufey; Sverrisdóttir, Ásgerdur; Jóhannsson, Óskar Þór; Jónasson, Jón Gunnlaugur; Eyfjörð, Jórunn Erla; Sigurdsson, Stefán Þórarinn (2019-12-11)
    Background: Breast Cancer 1 gene (BRCA1) is known to be inactivated in breast tumors by promoter methylation. Tumor cells in patients carrying a germline mutation in BRCA1 are sensitive to cytotoxic drugs that cause DNA double strand breaks. However, ...
  • GEMO Study Collaborators; EMBRACE Collaborators; kConFab Investigators; HEBON Investigators; Consortium of Investigators of Modifiers of BRCA1 and BRCA2 (2021-07-28)
    BACKGROUND: Recent population-based female breast cancer and prostate cancer polygenic risk scores (PRS) have been developed. We assessed the associations of these PRS with breast and prostate cancer risks for male BRCA1 and BRCA2 pathogenic variant ...
  • Olafsdottir, Elinborg J.; Borg, Ake; Jensen, Maj Britt; Gerdes, Anne Marie; Johansson, Anna L.V.; Barkardottir, Rosa B.; Johannsson, Oskar T.; Ejlertsen, Bent; Sønderstrup, Ida Marie Heeholm; Hovig, Eivind; Lænkholm, Anne Vibeke; Hansen, Thomas van Overeem; Olafsdottir, Gudridur H.; Rossing, Maria; Jonasson, Jon G.; Sigurdsson, Stefan; Loman, Niklas; Nilsson, Martin P.; Narod, Steven A.; Tryggvadottir, Laufey (2020-11-24)
    Background: The natural history of breast cancer among BRCA2 carriers has not been clearly established. In a previous study from Iceland, positive ER status was a negative prognostic factor. We sought to identify factors that predicted survival after ...
  • Ingþórsson, Sævar; Traustadóttir, Gunnhildur Ásta; Guðjónsson, Þórarinn (2022-10-24)
    The human breast gland is a unique organ as most of its development occurs postnatally between menarche and menopause, a period ranging from 30 to 40 years. During this period, the monthly menstruation cycle drives the mammary gland through phases of ...
  • Helenius, Marianne; Vaitkeviciene, Goda; Abrahamsson, Jonas; Jónsson, Ólafur Gisli; Lund, Bendik; Harila-Saari, Arja; Vettenranta, Kim; Mikkel, Sirje; Stanulla, Martin; Lopez-Lopez, Elixabet; Waanders, Esmé; Madsen, Hans O; Marquart, Hanne Vibeke; Modvig, Signe; Gupta, Ramneek; Schmiegelow, Kjeld; Nielsen, Rikke Linnemann (2022-03-22)
    Background: White blood cell count (WBC) as a measure of extramedullary leukemic cell survival is a well-known prognostic factor in acute lymphoblastic leukemia (ALL), but its biology, including impact of host genome variants, is poorly understood. ...
  • Björnsson, Einar Stefán (2021-06-28)
    Drug-induced liver injury (DILI) should be considered in all patients with recent elevation of liver tests without obvious etiology and normal hepatobiliary imaging. There is currently no biomarker that is helpful in diagnosis which relies on clinical ...
  • Sigurdardottir, Anna Karen; Jonasdottir, Arna Steinunn; Asbjarnarson, Arni; Helgudottir, Hildur Run; Gudjonsson, Thorarinn; Traustadottir, Gunnhildur Asta (2021-12)
    Due to an error during typesetting, an incomplete Supplementary file was originally published with this article. Supplementary figures were missing and this has now been uploaded. The original article has been corrected.
  • Frick, Elisabet; Gudjonsson, Thorkell; Eyfjörð, Jórunn Erla; Jonasson, Jon; Tryggvadóttir, Laufey; Stefansson, Olafur; Sigurdsson, Stefan (Impact Journals, LLC, 2019-07-23)
    Estrogen receptor-positive breast cancer is subdivided into subtypes LuminalA and LuminalB, based on different expression patterns. MicroRNA-190b has been reported to be up-regulated in estrogen receptor-positive breast cancers. In this study we aimed ...
  • Long, Þórir Einarsson; Indridason, Ólafur Skúli; Pálsson, Runólfur; Rögnvaldsson, Sæmundur; Löve, Þorvarður Jón; Thorsteinsdóttir, Sigrún; Sverrisdottir, Ingigerdur; Viðarsson, Brynjar; Önundarson, Páll Torfi; Agnarsson, Bjarni Agnar; Sigurðardóttir, Margrét; Þorsteinsdóttir, Ingunn; Ólafsson, Ísleifur; Thordardottir, Asdis Rosa; Eyþórsson, Elías Sæbjörn; Jónsson, Ásbjörn; Gíslason, Gauti Kjartan; Ólafsson, Andri; Steingrímsdóttir, Hlíf; Hultcrantz, Malin; Durie, Brian G.M.; Harding, Stephen; Landgren, Ola; Kristinsson, Sigurður Yngvi (2022-09-14)
    Serum free light chain (FLC) concentration is greatly affected by kidney function. Using a large prospective population-based cohort, we aimed to establish a reference interval for FLCs in persons with chronic kidney disease (CKD). A total of 75422 ...
  • Barkovskaya, Anna; Goodwin, Craig M.; Seip, Kotryna; Hilmarsdottir, Bylgja; Pettersen, Solveig; Stalnecker, Clint; Engebraaten, Olav; Briem, Eirikur; Der, Channing J.; Moestue, Siver A.; Gudjonsson, Thorarinn; Mælandsmo, Gunhild M.; Prasmickaite, Lina (2021-05-01)
    Cellular phenotype plasticity between the epithelial and mesenchymal states has been linked to metastasis and heterogeneous responses to cancer therapy, and remains a challenge for the treatment of triple-negative breast cancer (TNBC). Here, we used ...
  • Mateos, Marion K.; Tulstrup, Morten; Quinn, Michael C.J.; Tuckuviene, Ruta; Marshall, Glenn M.; Gupta, Ramneek; Mayoh, Chelsea; Wolthers, Benjamin O.; Barbaro, Pasquale M.; Ruud, Ellen; Sutton, Rosemary; Huttunen, Pasi; Revesz, Tamas; Trakymiene, Sonata S.; Barbaric, Draga; Tedgård, Ulf; Giles, Jodie E.; Alvaro, Frank; Jonsson, Olafur G.; Mechinaud, Françoise; Saks, Kadri; Catchpoole, Daniel; Kotecha, Rishi S.; Dalla-Pozza, Luciano; Chenevix-Trench, Georgia; Trahair, Toby N.; Macgregor, Stuart; Schmiegelow, Kjeld (2020-05-19)
    Symptomatic venous thromboembolism (VTE) occurs in five percent of children treated for acute lymphoblastic leukemia (ALL), but whether a genetic predisposition exists across different ALL treatment regimens has not been well studied. Methods: We ...
  • Rögnvaldsson, Sæmundur; Love, Thorvardur Jon; Thorsteinsdottir, Sigrun; Reed, Elín Ruth; Óskarsson, Jón Þórir; Pétursdóttir, Íris; Sigurðardóttir, Guðrún Ásta; Viðarsson, Brynjar; Önundarson, Páll Torfi; Agnarsson, Bjarni A.; Þorsteinsdóttir, Ingunn; Ólafsson, Ísleifur; Þórðardóttir, Ásdís Rósa; Eyþórsson, Elías; Jónsson, Ásbjörn; Björnsson, Andri S.; Gunnarsson, Gunnar Þór; Pálsson, Runólfur; Indriðason, Ólafur Skúli; Gíslason, Gauti Kjartan; Ólafsson, Andri; Hákonardóttir, Guðlaug Katrín; Brinkhuis, Manje; Halldórsdóttir, Sara Lovísa; Ásgeirsdóttir, Tinna Laufey; Steingrímsdóttir, Hlíf; Danielsen, Ragnar; Dröfn Wessman, Inga; Kampanis, Petros; Hulcrantz, Malin; Durie, Brian G.M.; Harding, Stephen; Landgren, Ola; Kristinsson, Sigurður Yngvi (2021-05-17)
    Monoclonal gammopathy of undetermined significance (MGUS) precedes multiple myeloma (MM). Population-based screening for MGUS could identify candidates for early treatment in MM. Here we describe the Iceland Screens, Treats, or Prevents Multiple Myeloma ...
  • Islind, Anna Sigridur; Johansson, Victoria; Vallo Hult, Helena; Alsén, Pia; Andreasson, Emma; Angenete, Eva; Gellerstedt, Martin (Springer Science and Business Media LLC, 2020-10-12)
    Purpose The number of colorectal cancer patient survivors is increasing. Information and support during and after treatment are requested by patients, but questions remain on what to provide. The aim of this study was to understand what informational ...
  • 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. ...
  • Liu, Dong; Liu, Cong; Wang, Xiyin; Ingvarsson, Sigurður; Chen, Huiping (Elsevier Ltd., 2014-02)
    The miR-451 was found to be frequently down-regulated in tumors, indicating that miR-451 could play an important role in carcinogenesis. This study uncovered the mechanism by which the miR-451 functions as a tumor suppressor. The target genes of miR-451 ...
  • Rögnvaldsson, Sæmundur; Eythorsson, Elias; Thorsteinsdottir, Sigrun; Vidarsson, Brynjar; Önundarson, Páll Torfi; Agnarsson, Bjarni Agnar; Sigurdardottir, Margret; Thorsteinsdóttir, Ingunn; Ólafsson, Ísleifur; Runólfsdóttir, Hrafnhildur L.; Helgason, Dadi; Emilsdóttir, Arna Rut; Ágústsson, Arnar Snær; Björnsson, Aron Hjalti; Kristjánsdóttir, Gudrún; Thordardottir, Asdis Rosa; Indridason, Olafur Skuli; Jónsson, Ásbjörn; Gislason, Gauti Kjartan; Olafsson, Andri; Steingrímsdóttir, Hlíf; Kampanis, Petros; Hultcrantz, Malin; Durie, Brian G.M.; Harding, Stephen; Landgren, Ola; Palsson, Runolfur; Love, Thorvarður Jon; Kristinsson, Sigurdur Yngvi (2021-12-01)
    Multiple myeloma (MM) patients have increased risk of severe coronavirus disease 2019 (COVID-19) when infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Monoclonal gammopathy of undetermined significance (MGUS), the precursor of ...
  • Shen, Qing; Sjölander, Arvid; Sloan, Erica K.; Walker, Adam K.; Fall, Katja; Valdimarsdóttir, Unnur Anna; Sparén, Pär; Smedby, Karin E.; Fang, Fang (2022-01-17)
    Background: Cancer patients experience increased risk of death from accident and suicide. Cognitive impairment induced by cancer-related inflammation and stress-related psychiatric symptoms may be underlying mechanisms. We therefore studied the association ...