• Abuse and revictimization in adulthood in multiple sclerosis: a cross-sectional study during pregnancy 

      Eid, Karine; Torkildsen, Øivind; Aarseth, Jan Harald; Celius, Elisabeth Gulowsen; Cortese, Marianna; Holmøy, Trygve; Kapali, Akash; Myhr, Kjell-Morten; Torkildsen, Cecilie Fredvik; Wergeland, Stig; Gilhus, Nils Erik; Bjørk, Marte-Helene (Journal article; Peer reviewed, 2022)
      Background: Knowledge concerning exposure to abuse in adulthood and in pregnancy in people with multiple sclerosis (MS) is sparse. Objective: To determine the occurrence of adult abuse and abuse in relation to pregnancy ...
    • Association of adverse childhood experiences with the development of multiple sclerosis 

      Eid, Karine; Torkildsen, Øivind; Aarseth, Jan Harald; Aalstad, Mari; Bhan, Alok; Celius, Elisabeth Gulowsen; Cortese, Marianna; Daltveit, Anne Kjersti Nesje; Holmøy, Trygve; Myhr, Kjell-Morten; Riise, Trond; Schuler, Stephan; Torkildsen, Cecilie Fredvik; Wergeland, Stig; Gilhus, Nils Erik; Bjørk, Marte-Helene (Journal article; Peer reviewed, 2022)
      Objective To study whether exposure to childhood emotional, sexual or physical abuse is associated with subsequent multiple sclerosis (MS) development. Methods A nationwide, prospective cohort study based on participants ...
    • Cancer related mortality in multiple sclerosis. A population based cohort study 

      Grytten, Nina; Myhr, Kjell-Morten; Celius, Elisabeth Gulowsen; Benjaminsen, Espen; Midgard, Rune; Vatne, Anita; Aarseth, Jan Harald; Mannseth, Janne; Torkildsen, Øivind Fredvik Grytten (Journal article; Peer reviewed, 2023)
      Background: Cancer is a major cause of death, but how cancer influences mortality risk in Multiple Sclerosis (MS) is unclear. Objectives: Determine all-cause mortality and mortality following a cancer diagnosis among ...
    • Fourteen sequence variants that associate with multiple sclerosis discovered by meta-analysis informed by genetic correlations 

      Olafsson, S.; Stridh, P.; Bos, Steffan Daniel; Ingason, Andrés; Euesden, J; Sulem, Patrick; Thorleifsson, Gudmar; Gustafsson, O; Geirsson, AJ; Jóhannesson, Ari J.; Thorsson, AV; Ludviksson, BR; Sigurgeirsson, Bardur; Jonasson, JG; Olafsson, E; Kristjansdottir, H; Olafsson, JH; Orvar, KB; Benediktsson, Rafn; Bjarnason, Ragnar; Kristjansdottir, Sjofn; Gislason, Thorarin; Valdimarsson, T; Mikaelsdottir, E; Sigurdsson, S; Jonsson, S; Rafnar, Thorunn; Aarsland, Dag; Djurovic, Srdjan; Fladby, Tormod; Knudsen, Gun Peggy S.; Celius, Elisabeth Gulowsen; Myhr, Kjell-Morten; Gröndal, Gerdur; Steinsson, K; Valdimarsson, Helgi; Bjornsson, Sigurdur; Bjornsdottir, US; Bjornsson, Einar S.; Nilsson, B; Andreassen, Ole Andreas; Alfredsson, Lars; Hillert, Jan; Kockum, Ingrid; Másson, Gísli; Thorsteinssdottir, U; Gudbjartsson, Daniel F.; Stefansson, H; Hjaltason, H; Harbo, Hanne Flinstad; Olsson, T; Jonsdottir, I; Stefansson, K (Peer reviewed; Journal article, 2017)
      A meta-analysis of publicly available summary statistics on multiple sclerosis combined with three Nordic multiple sclerosis cohorts (21,079 cases, 371,198 controls) revealed seven sequence variants associating with multiple ...
    • Humoral immunity to SARS-CoV-2 mRNA vaccination in multiple sclerosis: the relevance of time since last rituximab infusion and first experience from sporadic revaccinations 

      König, Marton; Lorentzen, Åslaug Rudjord; Torgauten, Hilde Marie; Tran, The Trung; Schikora-Rustad, Stine; Vaage, Eline Benno; Mygland, Åse Daasvand; Wergeland, Stig; Aarseth, Jan Harald; Aaberge, Ingeborg Sundsvalen; Torkildsen, Øivind; Holmøy, Trygve; Berge, Tone; Myhr, Kjell-Morten; Harbo, Hanne-Cathrin Flinstad; Andersen, Jan Terje; Munthe, Ludvig Andre; Søraas, Arne Vasli; Celius, Elisabeth Gulowsen; Vaage, John T.; Lund-Johansen, Fridtjof; Nygaard, Gro Owren (Journal article; Peer reviewed, 2021)
      Introduction The effect of disease-modifying therapies (DMT) on vaccine responses is largely unknown. Understanding the development of protective immunity is of paramount importance to fight the COVID-19 pandemic. Objective ...
    • Identity-by-descent mapping in a Scandinavian multiple sclerosis cohort 

      Westerlind, Helga; Imrell, Kerstin; Ramanujam, Ryan; Myhr, Kjell-Morten; Celius, Elisabeth Gulowsen; Harbo, Hanne Flinstad; Oturai, Annette Bang; Hamsten, Anders; Alfredsson, Lars; Olsson, Tomas; Kockum, Ingrid; Koski, Timo; Hillert, Jan (Peer reviewed; Journal article, 2015)
      In an attempt to map chromosomal regions carrying rare gene variants contributing to the risk of multiple sclerosis (MS), we identified segments shared identical-by-descent (IBD) using the software BEAGLE 4.0’s refined IBD ...
    • Incidence of cancer in multiple sclerosis before and after the treatment era– a registry- based cohort study 

      Grytten, Nina; Myhr, Kjell-Morten; Celius, Elisabeth Gulowsen; Benjaminsen, Espen; Kampman, Margitta T.; Midgard, Rune; Vatne, Anita; Aarseth, Jan H.; Riise, Trond; Torkildsen, Øivind (Journal article; Peer reviewed, 2021)
      Background: Whether disease-modifying therapies (DMTs) influence cancer in multiple sclerosis (MS) is uncertain. Objectives: Assess incidence of cancer diagnosis among Norwegian MS patients compared to the general ...
    • Month of birth and risk of multiple sclerosis: confoundingand adjustments 

      Torkildsen, Øivind Fredvik; Aarseth, Jan Harald; Benjaminsen, Espen; Celius, Elisabeth Gulowsen; Holmøy, Trygve; Kampman, Margitta Theodora; Løken-Amsrud, Kristin Ingeleiv; Midgard, Rune; Myhr, Kjell-Morten; Riise, Trond; Torkildsen, Nina Agnethe Grytten (Peer reviewed; Journal article, 2014-02)
      A month of birth effect on multiple sclerosis (MS) risk has been reported from different countries. Recent critics have suggested that this finding is caused by confounding and that adequately adjusting for year and place ...