Blar i Registrations from Cristin på forfatter "Omdal, Roald"
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Anti-HMGB1 auto-Abs influence fatigue in patients with Crohn’s disease
Kvivik, Ingeborg; Grimstad, Tore Bjørn; Jonsson, Grete; Kvaløy, Jan T.; Omdal, Roald (Journal article; Peer reviewed, 2021)Fatigue is common in all chronic inflammatory and autoimmune diseases. A conceptual model for understanding the biological basis of fatigue describes it as being a part of the sickness behaviour response generated by ... -
Complement C4 Copy Number Variation is Linked to SSA/Ro and SSB/La Autoantibodies in Systemic Inflammatory Autoimmune Diseases
Lundtoft, Christian; Pucholt, Pascal; Martin, Myriam; Bianchi, Matteo; Lundström, Emeli; Eloranta, Maija-Leena; Sandling, Johanna K.; Sjöwall, Christopher; Jönsen, Andreas; Gunnarsson, Iva; Rantapää-Dahlqvist, Solbritt; Bengtsson, Anders A.; Leonard, Dag; Baecklund, Eva; Jonsson, Roland; Hammenfors, Daniel; Forsblad-d'Elia, Helena; Eriksson, Per; Mandl, Thomas; Magnusson Bucher, Sara; Norheim, Katrine Brække; Johnsen, Svein Joar Auglæn; Omdal, Roald; Kvarnström, Marika; Wahren Herlenius, Marie Elisabeth; Notarnicola, Antonella; Andersson, Anna Helena; Molberg, Øyvind; Diederichsen, Louise Pyndt; Almlöf, Jonas; Syvänen, Ann-Christine; Kozyrev, Sergey V.; Lindblad-Toh, Kerstin; Rönnblom, Lars; Brokstad, Karl Albert; Skarstein, Kathrine; Jonsson, Malin Viktoria; Appel, Silke; Aqrawi, Lara A.; Jensen, Janicke Liaaen; Palm, Øyvind; Nilsson, Birgitta Blakstad; Blom, Anna M.; Lundberg, Ingrid E.; Nordmark, Gunnel; Diaz-Gallo, Lina Marcela; Svenungsson, Elisabet; Rönnblom, Lars (Journal article; Peer reviewed, 2022)Objective Copy number variation of the C4 complement components, C4A and C4B, has been associated with systemic inflammatory autoimmune diseases. This study was undertaken to investigate whether C4 copy number variation ... -
The Effect of Biological Treatment on Fatigue in Inflammatory Bowel Disease: A Systematic Review and Meta-analysis
Skjellerudsveen, Berit Mære; Skoie, Inger Marie; Dalen, Ingvild; Grimstad, Tore Bjørn; Omdal, Roald (Journal article; Peer reviewed, 2023)Background: Fatigue is a frequent complaint in patients with inflammatory bowel disease. Biological drugs have demonstrated beneficial effects on some extraintestinal manifestations, but the effect on fatigue is not ... -
Fatigue in primary Sjögren’s syndrome: A proteomic pilot study of cerebrospinal fluid
Larssen, Eivind; Brede, Cato; Hjelle, Anne; Tjensvoll, Anne Bolette; Norheim, Katrine Brække; Bårdsen, Kjetil; Jonsdottir, Kristin; Ruoff, Peter; Omdal, Roald; Nilsen, Mari Mæland (Journal article; Peer reviewed, 2019)Objectives: Fatigue is a frequent and often disabling phenomenon that occurs in patients with chronic inflammatory and immunological diseases, and the underlying biological mechanisms are largely unknown. Because fatigue ... -
Fatigue: a frequent and biologically based phenomenon in newly diagnosed celiac disease
Skjellerudsveen, Berit Mære; Omdal, Roald; Hetta, Anne Kristine; Kvaløy, Jan Terje; Aabakken, Lars; Skoie, Inger Marie; Grimstad, Tore Bjørn (Journal article; Peer reviewed, 2022)Fatigue is increasingly recognized as a major complaint in patients with chronic inflammatory and autoimmune diseases. Although fatigue is assumed to represent a significant problem in celiac disease, existing knowledge ... -
Genetic and clinical basis for two distinct subtypes of primary Sjögren's syndrome
Thorlacius, Gudny Ella; Hultin-Rosenberg, Lina; Sandling, Johanna K.; Bianchi, Matteo; Imgenberg-Kreuz, Juliana; Theander, Elke; Kvarnström, Marika; Forsblad-d’Elia, Helena; Bucher, Sara Magnusson; Norheim, Katrine Brække; Johnsen, Svein Joar Auglænd; Hammenfors, Sten Daniel; Skarstein, Kathrine; Jonsson, Malin V; Bäcklund, Eva; consortium, the DISSECT; meadows, jennifer r; Rantapää-Dahlqvist, Solbritt; Mandl, Thomas; Eriksson, Per; Omdal, Roald; Jonsson, Sten Ture Roland; Lindblad-Toh, Kerstin; Rönnblom, Lars; Wahren-Herlenius, Marie; Nordmark, Gunnel (Journal article; Peer reviewed, 2020)Objectives Clinical presentation of primary Sjögren’s syndrome (pSS) varies considerably. A shortage of evidence-based objective markers hinders efficient drug development and most clinical trials have failed to reach ... -
Genetic variants at the RTP4/MASP1 locus are associated with fatigue in Scandinavian patients with primary Sjögren’s syndrome
Norheim, Katrine Brække; Imgenberg-Kreuz, Juliana; Alexsson, Andrei; Johnsen, Svein Joar Auglæn; Bårdsen, Kjetil; Brun, Johan Gorgas; Dehkordi, Rezvan Kiani; Theander, Elke; Mandl, Thomas; Jonsson, Roland; Ng, Wan-Fai; Lessard, Christopher J; Rasmussen, Astrid; Sivilis, Kathy; Rönnblom, Lars; Omdal, Roald (Journal article; Peer reviewed, 2021)Objectives Fatigue is common and severe in primary Sjögren’s syndrome (pSS). The aim of this study was to identify genetic determinants of fatigue in pSS through a genome-wide association study. Methods Patients with ... -
Genome-wide association study identifies Sjögren’s risk loci with functional implications in immune and glandular cells
Khatri, Bhuwan; Tessneer, Kandice L.; Rasmussen, Astrid; Aghakhanian, Farhang; Reksten, Tove Ragna; Adler, Adam; Alevizos, Ilias; Anaya, Juan-Manuel; Aqrawi, Lara A.; Baecklund, Eva; Brun, Johan Gorgas; Bucher, Sara Magnusson; Eloranta, Maija-Leena; Engelke, Fiona; Forsblad-d’Elia, Helena; Glenn, Stuart B.; Hammenfors, Daniel; Imgenberg-Kreuz, Juliana; Jensen, Janicke Liaaen; Johnsen, Svein Joar Auglæn; Jonsson, Malin Viktoria; Kvarnström, Marika; Kelly, Jennifer A.; Li, He; Mandl, Thomas; Martín, Javier; Nocturne, Gaétane; Norheim, Katrine Brække; Palm, Øyvind; Skarstein, Kathrine; Stolarczyk, Anna M.; Taylor, Kimberly E.; Teruel, Maria; Theander, Elke; Venuturupalli, Swamy; Wallace, Daniel J.; Grundahl, Kiely M.; Hefner, Kimberly S.; Radfar, Lida; Lewis, David M.; Stone, Donald U.; Kaufman, C. Erick; Brennan, Michael T.; Guthridge, Joel M.; James, Judith A.; Scofield, R. Hal; Gaffney, Patrick M.; Criswell, Lindsey A.; Jonsson, Roland; Eriksson, Per; Bowman, Simon J.; Omdal, Roald; Rönnblom, Lars; Warner, Blake; Rischmueller, Maureen; Witte, Torsten; Farris, A. Darise; Mariette, Xavier; Alarcon-Riquelme, Marta E.; Shiboski, Caroline H.; Herlenius, Marie Elisabeth Wahren; Ng, Wan-Fai; Sivils, Kathy L.; Adrianto, Indra; Nordmark, Gunnel; Lessard, Christopher J. (Journal article; Peer reviewed, 2022)Sjögren’s disease is a complex autoimmune disease with twelve established susceptibility loci. This genome-wide association study (GWAS) identifies ten novel genome-wide significant (GWS) regions in Sjögren’s cases of ... -
High mobility group box 1 and a network of other biomolecules influence fatigue in patients with Crohn’s disease
Kvivik, Ingeborg; Grimstad, Tore Bjørn; Bårdsen, Kjetil; Jonsson, Grete; Kvaløy, Jan Terje; Omdal, Roald (Journal article; Peer reviewed, 2023)Background Fatigue is common in patients with chronic inflammatory and autoimmune diseases, often with a severe impact on the patient’s daily life. From a biological point of view, fatigue can be regarded as an element ... -
Identification and functional characterization of a novel susceptibility locus for small vessel vasculitis with MPO-ANCA
Dahlqvist, Johanna; Ekman, Diana; Sennblad, Bengt; Kozyrev, Sergey V.; Nordin, Jessika; Karlsson, Åsa; Meadows, Jennifer R. S.; Hellbacher, Erik; Rantapää-Dahlqvist, Solbritt; Berglin, Ewa; Stegmayr, Bernd; Haslund, Bo; Palm, Øyvind; Haukeland, Hilde; Gunnarsson, Iva; Bruchfeld, Annette; Segelmark, Mårten; Ohlsson, Sophie; Mohammad, Aladdin J.; Svärd, Anna Jessica; Pullerits, Rille; Herlitz, Hans; Söderbergh, Annika; Pielberg, Gerli Rosengren; Rosenberg, Lina Hultin; Bianchi, Matteo; Muren, Eva; Omdal, Roald; Jonsson, Roland; Eloranta, Maija-Leena; Rönnblom, Lars; Söderkvist, Peter; Knight, Ann; Eriksson, Per; Lindblad-Toh, Kerstin (Journal article; Peer reviewed, 2021)Objective To identify and characterize genetic loci associated with the risk of developing ANCA-associated vasculitides (AAV). Methods Genetic association analyses were performed after Illumina sequencing of 1853 genes ... -
Interleukin-1-related activity and hypocretin-1 in cerebrospinal fluid contribute to fatigue in primary Sjögren’s syndrome
Bårdsen, Kjetil; Brede, Cato; Kvivik, Ingeborg; Kvaløy, Jan Terje; Jonsdottir, Kristin; Tjensvoll, Anne Bolette; Ruoff, Peter; Omdal, Roald (Journal article; Peer reviewed, 2019)Background Fatigue is a common and sometimes debilitating phenomenon in primary Sjögren’s syndrome (pSS) and other chronic inflammatory diseases. We aimed to investigate how IL-1 β-related molecules and the neuropeptide ... -
Less, but not gone—gluten-free diet effects on fatigue in celiac disease: a prospective controlled study
Skjellerudsveen, Berit Mære; Omdal, Roald; Hetta, Anne Kristine; Kvaløy, Jan Terje; Aabakken, Lars; Skoie, Inger Marie; Grimstad, Tore Bjørn (Journal article; Peer reviewed, 2023)Introduction: Fatigue is a frequent complaint in patients with celiac disease. A gluten-free diet is the only established treatment for celiac disease, but how this diet influences fatigue is uncertain. We aimed to investigate ... -
Molecular pathways in patients with systemic lupus erythematosus revealed by gene-centred DNA sequencing
Sandling, Johanna K.; Pucholt, Pascal; Hultin Rosenberg, Lina; Farias, Fabiana H.G.; Kozyrev, Sergey V.; Eloranta, Maija-Leena; Alexsson, Andrei; Bianchi, Matteo; Padyukov, Leonid; Bengtsson, Christine; Jonsson, Roland; Omdal, Roald; Lie, Benedicte Alexandra; Massarenti, Laura; Steffensen, Rudi; Jakobsen, Marianne A.; Lillevang, Søren T.; Lerang, Karoline; Molberg, Øyvind; Voss, Anne; Troldborg, Anne; Jacobsen, Søren; Syvänen, Ann-Christine; Jönsen, Andreas; Gunnarsson, Iva; Svenungsson, Elisabet; Rantapää-Dahlqvist, Solbritt; Bengtsson, Anders A.; Sjöwall, Christopher; Leonard, Dag; Lindblad-Toh, Kerstin; Rönnblom, Lars (Journal article, 2021)Objectives Systemic lupus erythematosus (SLE) is an autoimmune disease with extensive heterogeneity in disease presentation between patients, which is likely due to an underlying molecular diversity. Here, we aimed at ... -
Neurofilament light is a biomarker of brain involvement in lupus and primary Sjögren’s syndrome
Tjensvoll, Anne Bolette; Lauvsnes, Maria Boge; Zetterberg, Henrik; Kvaløy, Jan Terje; Kvivik, Ingeborg; Maroni, Stian; Greve, Ole Jacob; Beyer, Mona K.; Hirohata, Shunsei; Putterman, Chaim; Alves, Guido Werner; Harboe, Erna; Blennow, Kaj; Gøransson, Lasse; Omdal, Roald (Journal article; Peer reviewed, 2020)Background To test the hypothesis that neurofilament light (NfL) in CSF is a biomarker of CNS involvement in patients with systemic lupus erythematosus (SLE) and primary Sjögren’s syndrome (pSS), we measured NfL in CSF ... -
Sample Preparation Strategies for Antibody-Free Quantitative Analysis of High Mobility Group Box 1 Protein
Kvivik, Ingeborg; Jonsson, Grete; Omdal, Roald; Brede, Cato (Journal article; Peer reviewed, 2021)Sickness behavior and fatigue are induced by cerebral mechanisms involving inflammatory cytokines. High mobility group box 1 (HMGB1) is an alarmin, and a potential key player in this process. Reliable quantification methods ... -
Stratified genetic analysis reveals sex differences in MPO-ANCA-associated vasculitis
Ekman, Diana; Sennblad, Bengt; Knight, Ann; Karlsson, Åsa; Rantapää-Dahlqvist, Solbritt; Berglin, Ewa; Stegmayr, Bernd; Baslund, Bo; Palm, Øyvind; Haukeland, Hilde; Gunnarsson, Iva; Bruchfeld, Annette; Segelmark, Mårten; Ohlsson, Sophie; Mohammad, Aladdin J; Svärd, Anna; Pullerits, Rille; Herlitz, Hans; Söderbergh, Annika; Omdal, Roald; Jonsson, Roland; Rönnblom, Lars; Eriksson, Per; Lindblad-Toh, Kerstin; Dahlqvist, Johanna (Journal article; Peer reviewed, 2023)Objective To identify and genetically characterize subgroups of patients with ANCA-associated vasculitides (AAV) based on sex and ANCA subtype. Methods A previously established SNP dataset derived from DNA sequencing ... -
Strong association of combined genetic deficiencies in the classical complement pathway with risk of systemic lupus erythematosus and primary Sjögren's syndrome
Lundtoft, Christian; Sjöwall, Christopher; Rantapää-Dahlqvist, Solbritt; Bengtsson, Anders A.; Jönsen, Andreas; Pucholt, Pascal; Wu, Yee Ling; Lundström, Emeli; Eloranta, Maija-Leena; Gunnarsson, Iva; Baecklund, Eva; Jonsson, Roland; Hammenfors, Daniel; Forsblad-d'Elia, Helena; Eriksson, Per; Mandl, Thomas; Bucher, Sara; Norheim, Katrine Brække; Johnsen, Svein Joar Auglæn; Omdal, Roald; Kvarnström, Marika; Wahren Herlenius, Marie Elisabeth; Truedsson, Lennart; Nilsson, Bo; Kozyrev, Sergey V.; Bianchi, Matteo; Lindblad-Toh, Kerstin; Yu, Chack-Yung; Nordmark, Gunnel; Sandling, Johanna K.; Svenungsson, Elisabet; Leonard, Dag; Rönnblom, Lars (Journal article; Peer reviewed, 2022)Objective Complete genetic deficiency of the complement component C2 is a strong risk factor for monogenic systemic lupus erythematosus (SLE), but whether heterozygous C2 deficiency adds to the risk of SLE or primary ...