• Biomarkers related to carotid intima-media thickness and plaques in long-term survivors of ischemic stroke 

      Waje-Andreassen, Ulrike; Næss, Halvor; Thomassen, Lars; Marøy, Tove Helene; Mazengia, Kibret Yimer; Eide, Geir Egil; Vedeler, Christian A. (Peer reviewed; Journal article, 2015-05-08)
      Lifestyle risk factors, inflammation and genetics play a role in the development of atherosclerosis. We therefore studied Fc gamma receptor (FcγR) polymorphisms, interleukin (IL)-10 polymorphisms and other biomarkers related ...
    • Candidate markers for stratification and classification in rheumatoid arthritis 

      Bader, Lucius; Gullaksen, Stein-Erik; Blaser, Nello; Brun, Morten; Bringeland, Gerd Haga; Sulen, Andre; Gjesdal, Clara Gram; Vedeler, Christian A.; Gavasso, Sonia (Peer reviewed; Journal article, 2019-07-05)
      Rheumatoid arthritis (RA) is a chronic autoimmune, inflammatory disease, characterized by synovitis in small- and medium-sized joints and, if not treated early and efficiently, joint damage, and destruction. RA is a ...
    • CDR2 antigen and Yo antibodies 

      Totland, Cecilie; Aarskog, Nina K.; Eichler, Tilo W.; Haugen, Mette; Nøstbakken, Jane K.; Monstad, Sissel E.; Salvesen, Helga Birgitte; Mørk, Sverre; Haukanes, Bjørn Ivar; Vedeler, Christian A. (Peer reviewed; Journal article, 2011)
      Paraneoplastic cerebellar degeneration (PCD) is often associated with Yo antibodies that are directed against human cerebellar degeneration-related protein 2 (CDR2). Such antibodies may also be found in ovarian cancer ...
    • CDR2L Is the Major Yo Antibody Target in Paraneoplastic Cerebellar Degeneration 

      Kråkenes, Torbjørn; Herdlevær, Ida Ajvazi; Raspotnig, Margrethe; Haugen, Mette; Schubert, Manja; Vedeler, Christian A. (Peer reviewed; Journal article, 2019)
      The pathogenesis of Yo‐mediated paraneoplastic cerebellar degeneration (PCD) is unclear. We applied cerebrospinal fluid and serum from PCD patients as well as CDR2 and CDR2L antibodies to neuronal tissue, cancer cell lines, ...
    • Deficient phosphorylation of stat-1 in leukocytes identifies neutralizing antibodies in multiple sclerosis patients treated with interferon-beta 

      Gavasso, Sonia; Mosleth, Ellen Færgestad; Marøy, Tove Helene; Jørgensen, Katarina Mariann; Nakkestad, Hanne Linda; Gjertsen, Bjørn Tore; Myhr, Kjell-Morten; Vedeler, Christian A. (Peer reviewed; Journal article, 2014-02-19)
      Background: Anti interferon-beta (IFN-β) neutralizing antibodies (NAb) affect efficacy of treatment of multiple sclerosis patients, but exactly when the detrimental effects of NAbs offset therapeutic efficacy is debated. ...
    • Discovery and initial verification of differentially abundant proteins between multiple sclerosis patients and controls using iTRAQ and SID-SRM 

      Kroksveen, Ann Cathrine; Aasebø, Elise; Vethe, Heidrun; van Pesch, Vincent; Franciotta, Diego; Teunissen, Charlotte E.; Ulvik, Rune Johan; Vedeler, Christian A.; Myhr, Kjell-Morten; Barsnes, Harald; Berven, Frode (Peer reviewed; Journal article, 2013-01)
      In the present study, we aimed to discover cerebrospinal fluid (CSF) proteins with significant abundance difference between early multiple sclerosis patients and controls, and do an initial verification of these proteins ...
    • Fingolimod does not enhance cerebellar remyelination in the cuprizone model 

      Alme, Maria Nordheim; Nystad, Agnes Elisabeth; Bø, Lars; Myhr, Kjell-Morten; Vedeler, Christian A.; Wergeland, Stig; Torkildsen, Øivind (Journal article, 2015-08)
      Fingolimod (FTY720) is approved for treatment of relapsing–remitting multiple sclerosis. In vitro studies have found that fingolimod stimulates remyelination in cerebellar slices, but in vivo animal studies have not detected ...
    • G1m1 predominance of intrathecal virus-specific antibodies in multiple sclerosis 

      Tomescu-Baciu, Alina; Vartdal, Frode; Holmøy, Trygve; Vedeler, Christian A.; Lossius, Peter Andreas Vold (Peer reviewed; Journal article, 2018-09-17)
      We have previously shown that plasmablasts of the G1m1 allotype of IgG1 are selectively enriched in the cerebrospinal fluid of G1m1/G1m3 heterozygous patients with multiple sclerosis, whereas both allotypes are equally ...
    • Localization of CDR2L and CDR2 in paraneoplastic cerebellar degeneration 

      Herdlevær, Ida Ajvazi; Kråkenes, Torbjørn; Schubert, Manja; Vedeler, Christian A. (Journal article; Peer reviewed, 2020)
      Objective: Identify the subcellular location and potential binding partners of two cerebellar degeneration‐related proteins, CDR2L and CDR2, associated with anti‐Yo‐mediated paraneoplastic cerebellar degeneration. ...
    • Neurofilament light chain as a biomarker in multiple sclerosis 

      Varhaug, Kristin Nielsen; Torkildsen, Øivind; Myhr, Kjell-Morten; Vedeler, Christian A. (Peer reviewed; Journal article, 2019-04-05)
      Due to the unpredictable course and heterogenous treatment response in multiple sclerosis (MS), there is a clear need for biomarkers that reflect disease activity in the clinical follow-up of these patients. Neurofilaments ...
    • Neurofilament light chain predicts disease activity in relapsing-remitting MS 

      Varhaug, Kristin Nielsen; Barro, Christian; Bjørnevik, Kjetil Lauvland; Myhr, Kjell-Morten; Torkildsen, Øivind; Wergeland, Stig; Bindoff, Laurence; Kuhle, Jens; Vedeler, Christian A. (Peer reviewed; Journal article, 2018)
      Objective: To investigate whether serum neurofilament light chain (NF-L) and chitinase 3-like 1 (CHI3L1) predict disease activity in relapsing-remitting MS (RRMS). Methods: A cohort of 85 patients with RRMS were followed ...
    • The Norwegian Stroke in the Young Study (NOR-SYS): rationale and design 

      Fromm, Annette; Thomassen, Lars; Næss, Halvor; Meijer, Rudy; Eide, Geir Egil; Kråkenes, Jostein; Vedeler, Christian A.; Gerdts, Eva; Larsen, Terje H.; Kuiper, Karel Kier-Jan; Laxdal, Elin Hanna; Russell, David; Tatlisumak, Turgut; Waje-Andreassen, Ulrike (Peer reviewed; Journal article, 2013-07-17)
      Background: Ischemic stroke in young adults is a major health problem being associated with a higher vascular morbidity and mortality compared to controls, and a stroke recurrence rate of 25% during the first decade. The ...
    • Optimization of receptor occupancy assays in mass cytometry: Standardization across channels with QSC beads 

      Bringeland, Gerd Haga; Bader, Lucius; Blaser, Nello; Budzinski, Lisa; Schulz, Axel R.; Mei, Henrik E.; Myhr, Kjell-Morten; Vedeler, Christian A.; Gavasso, Sonia (Peer reviewed; Journal article, 2019)
      Receptor occupancy, the ratio between amount of drug bound and amount of total receptor on single cells, is a biomarker for treatment response to therapeutic monoclonal antibodies. Receptor occupancy is traditionally ...
    • Paraneoplastic CDR2 and CDR2L antibodies affect Purkinje cell calcium homeostasis 

      Schubert, Manja; Panja, Debabrata; Haugen, Mette; Bramham, Clive R.; Vedeler, Christian A. (Peer reviewed; Journal article, 2014-12)
      Paraneoplastic cerebellar degeneration (PCD) is characterized by loss of Purkinje cells (PCs) associated with progressive pancerebellar dysfunction in the presence of onconeural Yo antibodies. These antibodies recognize ...
    • Paraneoplastic syndrome-associated neuronal antibodies in adult ADHD 

      Haukanes, Bjørn Ivar; Hegvik, Tor-Arne; Eichler, Tilo Wolf; Haavik, Jan; Vedeler, Christian A. (Peer reviewed; Journal article, 2015-09-01)
      A high seroprevalence of Yo antibodies targeting cerebellar Purkinje cells was recently reported in children with attention deficit/hyperactivity disorder (ADHD). We investigated the presence of 8 paraneoplastic neurological ...
    • Progressive striatal necrosis associated with anti-NMDA receptor antibodies 

      Tzoulis, Charalampos; Vedeler, Christian A.; Haugen, Mette; Storstein, Anette; Tran, Gia Tuong Thi; Gjerde, Ivar Otto; Biermann, Martin; Schwarzlmüller, Thomas; Bindoff, Laurence (Peer reviewed; Journal article, 2013-05-31)
      Background: We report a case of childhood onset, generalized dystonia due to slowly progressive bilateral striatal necrosis associated with anti-N-methyl-D-aspartate receptor (NMDAR) antibodies. This clinical phenotype has ...
    • Selective intrathecal enrichment of G1m1-positive B cells in multiple sclerosis 

      Lossius, Peter Andreas Vold; Tomescu-Baciu, Alina; Holmøy, Trygve; Vedeler, Christian A.; Røsjø, Egil Rørvik; Lorentzen, Åslaug Rudjord; Casetta, Ilaria; Vartdal, Frode (Peer reviewed; Journal article, 2017-10)
      Immunoglobulin gamma (IgG) heavy chain genes are associated with susceptibility to multiple sclerosis (MS) and IgG levels in the cerebrospinal fluid (CSF). However, how these variants are implicated in disease mechanisms ...
    • Wearing-off at the end of natalizumab dosing intervals is associated with low receptor occupancy 

      Bringeland, Gerd Haga; Blaser, Nello; Myhr, Kjell-Morten; Vedeler, Christian A.; Gavasso, Sonia (Journal article; Peer reviewed, 2020-02)
      Objective: We aimed to investigate whether wearing-off symptoms at the end of the natalizumab dosing interval were associated with clinical and demographic patient characteristics or natalizumab receptor occupancy (RO) on ...