Publications by authors named "Isleifur Olafsson"

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Increased risk of infections in smoldering multiple myeloma: results from the screened iStopMM study.
Lærke Sloth Andersen, Ricardo Berenguer Navarro, Sara Ekberg, Sæmundur Rögnvaldsson, Marína Rós Levy

Leukemia· December 2025

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Next-generation flow cytometry analysis of clonal bone marrow plasma cells identifies an indolent subset of MGUS.
Jón Þórir Óskarsson, Sigrun Thorsteinsdottir, Sæmundur Rögnvaldsson, Andri Ólafsson, Gunnhildur Viðarsdóttir

Blood Adv· November 2025

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Identification of cystatin C as a new marker of glomerular filtration rate, and of shrunken pore syndrome - a new kidney disorder defining selective glomerular hypofiltration syndromes - calls for expansion of the international KDIGO guidelines.
Anna Åkesson, Carl Öberg, Linnea Malmgren, Christopher Nilsson, Yoshi Itoh, Isleifur Olafsson

Scand J Clin Lab Invest· October 2025

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New Definition of Light Chain Monoclonal Gammopathy of Undetermined Significance.
Thorir Einarsson Long, Saemundur Rognvaldsson, Sigrun Thorsteinsdottir, Ingigerdur Solveig Sverrisdottir, Elias Eythorsson, Isleifur Olafsson, Andri Olafsson

JAMA Oncol· July 2025

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Genome-wide analyses identify 25 infertility loci and relationships with reproductive traits across the allele frequency spectrum.
Samvida S Venkatesh, Laura B L Wittemans, Duncan S Palmer, Nikolas A Baya, Teresa Ferreira, Isleifur Olafsson

Nat Genet· May 2025

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Monoclonal gammopathy of undetermined significance and the risk of thrombotic events: Results from iStopMM, a prospective population-based screening study.
Sæmundur Rögnvaldsson, Alessandro Gasparini, Sigrun Thorsteinsdottir, Ingigerdur Sverrisdottir, Elias Eythorsson, Isleifur Olafsson, Andri Olafsson

Br J Haematol· March 2025

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Approaching hypercalcemia in monoclonal gammopathy of undetermined significance: insights from the iStopMM screening study.
Ástrún Helga Jónsdóttir, Helga Ágústa Sigurjónsdóttir, Sigrun Thorsteinsdóttir, Thorir Einarsson Long, Ingigerður Sólveig Sverrisdóttir

Blood· February 2025

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A partial loss-of-function variant in STAT6 protects against type 2 asthma.
Katla Kristjansdottir, Gudmundur L Norddahl, Erna V Ivarsdottir, Gisli H Halldorsson, Gudmundur Einarsson, Isleifur Olafsson

J Allergy Clin Immunol· January 2025

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Analysis of smoldering multiple myeloma according to the target of the monoclonal immunoglobulin of patients.
Sylvie Hermouet, Nicolas Mennesson, Sophie Allain-Maillet, Edith Bigot-Corbel, Andri Olafsson

Hemasphere· December 2024

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The significance of free light-chain ratio in light-chain monoclonal gammopathy of undetermined significance: a flow cytometry sub-study of the iStopMM screening study.
Jón Þórir Óskarsson, Sæmundur Rögnvaldsson, Sigrun Thorsteinsdottir, Thorir Einarsson Long, Andri Ólafsson

Blood Cancer J· December 2024

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Monoclonal gammopathy of undetermined significance with multiple paraproteins: A population-based screening study.
Sæmundur Rögnvaldsson, Jón Þ Óskarsson, Sigrun Thorsteinsdóttir, Malin Hultcrantz, Robert Palmason, Isleifur Olafsson

Hemasphere· November 2024

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Population-based screening cohort study reveals no association between monoclonal gammopathy of undetermined significance (MGUS), smoldering multiple myeloma (SMM), multiple myeloma (MM), and alopecia.
Divija Sharma, Benjamin Ungar, Jonas A Adalsteinsson, Jon Kristinn Sigurdsson, Kelley Sharp

Arch Dermatol Res· September 2024

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Sequence variants influencing the regulation of serum IgG subclass levels.
Thorunn A Olafsdottir, Gudmar Thorleifsson, Aitzkoa Lopez de Lapuente Portilla, Stefan Jonsson, Lilja Stefansdottir, Isleifur Olafsson

Nat Commun· September 2024

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Prior cancer and risk of monoclonal gammopathy of undetermined significance: a population-based study in Iceland and Sweden.
Sæmundur Rögnvaldsson, Sigrun Thorsteinsdóttir, Elisavet Syriopoulou, Ingigerdur Sverrisdottir, Ingemar Turesson, Isleifur Olafsson, Andri Olafsson

Haematologica· July 2024

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Association Between Autoimmune Diseases and Monoclonal Gammopathy of Undetermined Significance : An Analysis From a Population-Based Screening Study.
Ingigerdur Sverrisdottir, Sigrun Thorsteinsdottir, Sæmundur Rognvaldsson, Thor Aspelund, Brynjar Vidarsson, Isleifur Olafsson, Andri Olafsson

Ann Intern Med· June 2024

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Development of a Multivariable Model to Predict the Need for Bone Marrow Sampling in Persons With Monoclonal Gammopathy of Undetermined Significance : A Cohort Study Nested in a Clinical Trial.
Elias Eythorsson, Saemundur Rognvaldsson, Sigrun Thorsteinsdottir, Thorir Einarsson Long, Elin Ruth Reed, Isleifur Olafsson, Andri Olafsson

Ann Intern Med· April 2024

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Genome-wide analyses identify 21 infertility loci and over 400 reproductive hormone loci across the allele frequency spectrum.
Samvida S Venkatesh, Laura B L Wittemans, Duncan S Palmer, Nikolas A Baya, Teresa Ferreira, Isleifur Olafsson

medRxiv· March 2024

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Variants at the Interleukin 1 Gene Locus and Pericarditis.
Rosa B Thorolfsdottir, Andrea B Jonsdottir, Gardar Sveinbjornsson, Hildur M Aegisdottir, Asmundur Oddsson, Isleifur Olafsson

JAMA Cardiol· February 2024

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Genome-wide association study meta-analysis of dizygotic twinning illuminates genetic regulation of female fecundity.
Hamdi Mbarek, Scott D Gordon, David L Duffy, Nikki Hubers, Sally Mortlock

Hum Reprod· January 2024

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X-chromosome and kidney function: evidence from a multi-trait genetic analysis of 908,697 individuals reveals sex-specific and sex-differential findings in genes regulated by androgen response elements.
Markus Scholz, Katrin Horn, Janne Pott, Matthias Wuttke, Andreas Kühnapfel, Isleifur Olafsson

Nat Commun· January 2024

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Disease associations with monoclonal gammopathy of undetermined significance can only be evaluated using screened cohorts: results from the population-based iStopMM study.
Aðalbjörg Ýr Sigurbergsdóttir, Sæmundur Rögnvaldsson, Sigrún Thorsteinsdóttir, Ingigerður Sverrisdóttir, Guðrún Ásta Sigurðardóttir

Haematologica· December 2023

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Determining hemodilution in diagnostic bone marrow aspirated samples in plasma cell disorders by next-generation flow cytometry: Proposal for a bone marrow quality index.
Jón Þórir Óskarsson, Sæmundur Rögnvaldsson, Sigrun Thorsteinsdottir, Thor Aspelund, Steinar Bragi Gunnarsson

Blood Cancer J· December 2023

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Actionable Genotypes and Their Association with Life Span in Iceland.
Brynjar O Jensson, Gudny A Arnadottir, Hildigunnur Katrinardottir, Run Fridriksdottir, Hannes Helgason, Isleifur Olafsson

N Engl J Med· November 2023

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Complex effects of sequence variants on lipid levels and coronary artery disease.
Audunn S Snaebjarnarson, Anna Helgadottir, Gudny A Arnadottir, Erna V Ivarsdottir, Gudmar Thorleifsson, Isleifur Olafsson

Cell· September 2023

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Physical and cognitive impact following SARS-CoV-2 infection in a large population-based case-control study.
Hilma Holm, Erna V Ivarsdottir, Thorhildur Olafsdottir, Rosa Thorolfsdottir, Elias Eythorsson, Isleifur Olafsson

Commun Med (Lond)· July 2023

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