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Immunology
Sweden
2026
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Medicine
Sweden
2023

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Immunology

D-Index
132
Citations
67666
World Ranking
218
National Ranking
3

Medicine

D-Index
133
Citations
68700
World Ranking
2214
National Ranking
38

Research.com Recognitions

  • 2026 - Research.com Immunology in Sweden Leader Award
  • 2025 - Research.com Immunology in Sweden Leader Award
  • 2023 - Research.com Medicine in Sweden Leader Award
  • 2022 - Research.com Immunology in Sweden Leader Award

Overview

Tomas Olsson is affiliated with the Karolinska Institute in Sweden. Their research primarily focuses on medical sciences with a significant number of publications in the field of pathology and forensic medicine, as well as immunology, molecular biology, oncology, and genetics.

The scientist has contributed extensively to the study of multiple sclerosis and related neurological diseases. Their main topics of research include multiple sclerosis research studies, polyomavirus and related diseases, T-cell and B-cell immunology, systemic lupus erythematosus research, immunotherapy and immune responses, systemic sclerosis and related diseases, and peripheral neuropathies and disorders.

Olsson has published in various respected venues, including:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Journal of Neurology Neurosurgery & Psychiatry
  • European Journal of Neurology
  • Multiple Sclerosis Journal
  • Neurology Neuroimmunology & Neuroinflammation

Frequent collaborators include Ingrid Kockum, Lars Alfredsson, Fredrik Piehl, Jan Hillert, and Anna Karin Hedström.

Selected recent papers by Tomas Olsson include:

  • Accuracy of Tau Positron Emission Tomography as a Prognostic Marker in Preclinical and Prodromal Alzheimer Disease, 2021, JAMA Neurology
  • Confounding effect of blood volume and body mass index on blood neurofilament light chain levels, 2020, Annals of Clinical and Translational Neurology
  • Locus for severity implicates CNS resilience in progression of multiple sclerosis, 2023, Nature
  • Inflammation-related plasma and CSF biomarkers for multiple sclerosis, 2020, Proceedings of the National Academy of Sciences
  • FLT3 stop mutation increases FLT3 ligand level and risk of autoimmune thyroid disease, 2020, Nature

The volume and diversity of their research situate Olsson within multiple intersecting disciplines, including clinical studies of neurodegenerative and autoimmune diseases, with a strong emphasis on understanding disease mechanisms and biomarker identification.

Best Publications

  • Genetic risk and a primary role for cell-mediated immune mechanisms in multiple sclerosis

    Stephen Sawcer;Garrett Hellenthal;Matti Pirinen;Chris C. A. Spencer

  • Multiple sclerosis genomic map implicates peripheral immune cells and microglia in susceptibility

    Unknown

  • Genome-wide association study of more than 40,000 bipolar disorder cases provides new insights into the underlying biology

    Niamh Mullins;Andreas J. Forstner;Andreas J. Forstner;Andreas J. Forstner;Kevin S. O'Connell;Kevin S. O'Connell;Brandon Coombes

  • Analysis of immune-related loci identifies 48 new susceptibility variants for multiple sclerosis

    Ashley H. Beecham;Nikolaos A. Patsopoulos;Nikolaos A. Patsopoulos;Dionysia K. Xifara;Mary F. Davis

  • Interactions between genetic, lifestyle and environmental risk factors for multiple sclerosis

    Tomas Olsson;Lisa F. Barcellos;Lars Alfredsson

  • Randomized Trial of Oral Teriflunomide for Relapsing Multiple Sclerosis

    Paul O'Connor;Jerry S Wolinsky;Christian Confavreux;Giancarlo Comi

  • Multiple sclerosis and chronic autoimmune encephalomyelitis: a comparative quantitative study of axonal injury in active, inactive, and remyelinated lesions.

    Barbara Kornek;Maria K. Storch;Maria K. Storch;Robert Weissert;Erik Wallstroem

  • Siponimod versus placebo in secondary progressive multiple sclerosis (EXPAND): a double-blind, randomised, phase 3 study

    Unknown

  • ECTRIMS/EAN guideline on the pharmacological treatment of people with multiple sclerosis.

    X. Montalban;R. Gold;A. J. Thompson;S. Otero‐Romero

  • Vitamin D and musculoskeletal health, cardiovascular disease, autoimmunity and cancer: Recommendations for clinical practice.

    Jean Claude Souberbielle;Jean Jacques Body;Joan M. Lappe;Mario Plebani

  • Diagnostic Value of Cerebrospinal Fluid Neurofilament Light Protein in Neurology: A Systematic Review and Meta-analysis

    Bridel C;van Wieringen Wn;Zetterberg H;Tijms Bm

  • Oral teriflunomide for patients with relapsing multiple sclerosis (TOWER): a randomised, double-blind, placebo-controlled, phase 3 trial.

    Christian Confavreux;Paul O'Connor;Giancarlo Comi;Mark S. Freedman

  • Autoimmunity to Myelin Oligodendrocyte Glycoprotein in Rats Mimics the Spectrum of Multiple Sclerosis Pathology

    Maria K. Storch;Andreas Stefferl;Uschi Brehm;Robert Weissert

  • Variation in interleukin 7 receptor alpha chain (IL7R) influences risk of multiple sclerosis

    Frida Lundmark;Kristina Duvefelt;Ellen Iacobaeus;Ingrid Kockum

  • Memory B Cells Activate Brain-Homing, Autoreactive CD4+ T Cells in Multiple Sclerosis.

    Ivan Jelcic;Faiez Al Nimer;Faiez Al Nimer;Jian Wang;Verena Lentsch

  • Neurofascin as a novel target for autoantibody-mediated axonal injury

    Emily K. Mathey;Tobias Derfuss;Maria K. Storch;Kieran R. Williams

  • Infection Risks Among Patients With Multiple Sclerosis Treated With Fingolimod, Natalizumab, Rituximab, and Injectable Therapies.

    Gustavo Luna;Peter Alping;Joachim Burman;Katharina Fink

  • Autoreactive T lymphocytes in multiple sclerosis determined by antigen-induced secretion of interferon-gamma.

    T Olsson;W W Zhi;B Höjeberg;V Kostulas

  • High body mass index before age 20 is associated with increased risk for multiple sclerosis in both men and women

    Anna K Hedström;Tomas Olsson;Lars Alfredsson

  • Monitoring disease activity in multiple sclerosis using serum neurofilament light protein.

    Lenka Novakova;Henrik Zetterberg;Peter Sundström;Markus Axelsson

  • MHC2TA is associated with differential MHC molecule expression and susceptibility to rheumatoid arthritis, multiple sclerosis and myocardial infarction

    Maria Swanberg;Olle Lidman;Leonid Padyukov;Per Eriksson

  • Axonal damage in relapsing multiple sclerosis is markedly reduced by natalizumab.

    Martin Gunnarsson;Clas Malmeström;Markus Axelsson;Peter Sundström

Frequent Co-Authors

Ingrid Kockum
Ingrid Kockum Karolinska Institute
Jan Hillert
Jan Hillert Karolinska Institute
Lars Alfredsson
Lars Alfredsson Karolinska Institute
Fredrik Piehl
Fredrik Piehl Karolinska Institute
Mohsen Khademi
Mohsen Khademi Karolinska Institute
Hans Link
Hans Link Karolinska Institute
Giancarlo Comi
Giancarlo Comi Vita-Salute San Raffaele University
Ludwig Kappos
Ludwig Kappos University Hospital of Basel
Mark S. Freedman
Mark S. Freedman Ottawa Hospital
Lars Klareskog
Lars Klareskog Karolinska Institute

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