Browsing Bergen Open Research Archive by Author "Ueland, Thor"
Now showing items 1-20 of 57
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Activated dendritic cells and monocytes in HIV immunological nonresponders: HIV-induced interferon-inducible protein-10 correlates with low future CD4+ recovery
Stiksrud, Birgitte; Aass, Hans Christian Dalsbotten; Lorvik, Kristina Berg; Ueland, Thor; Trøseid, Marius; Dyrhol-Riise, Anne Ma (Peer reviewed; Journal article, 2019)Objective: To explore monocyte and dendritic cell immune responses, and their association with future CD4+ gain in treated HIV patients with suboptimal CD4+ recovery. Design: A cross-sectional study of HIV-infected, virally ... -
Angiopoietin-2 and angiopoietin-like 4 protein provide prognostic information in patients with suspected acute coronary syndrome
Aarsetøy, Reidun; Ueland, Thor; Aukrust, Pål; Michelsen, Annika E.; de la Fuente, Ricardo Leon; Pønitz, Volker; Andersen, Trygve Brugger; Grundt, Heidi; Staines, Harry; Nilsen, Dennis W.T. (Journal article; Peer reviewed, 2021)Background Plasma levels of angiopoietin-2 (ANGPT2) and angiopoietin-like 4 protein (ANGPTL4) reflect different pathophysiological aspects of cardiovascular disease. We evaluated their association with outcome in a ... -
Atherogenic Lipid Ratios Related to Myeloperoxidase and C-Reactive Protein Levels in Psychotic Disorders
Reponen, Elina Johanna; Dieset, Ingrid; Tesli, Martin Steen; Mørch, Ragni Helene; Aas, Monica; Vedal, Trude Seselie Jahr; Haug, Elisabeth; Drange, Ole Kristian; Steen, Nils Eiel; Hope, Sigrun; Szabo, Attila; Gohar, Sherif Mostafa Mohamed Ahmed; Wedervang-Resell, Kirsten; Djurovic, Srdjan; Melle, Ingrid; Aukrust, Pål; Andreassen, Ole Andreas; Ueland, Thor (Journal article; Peer reviewed, 2020)Background: Cardiovascular disease (CVD) is a major cause of premature death in patients with psychotic disorders, where dyslipidemia occurs frequently. In the pathogenesis of these serious mental disorders, a low-grade ... -
Attenuated Notch signaling in schizophrenia and bipolar disorder
Hoseth, Eva Zsuzsanna; Krull, Florian; Dieset, Ingrid; Mørch, Ragni Helene; Hope, Sigrun; Gardsjord, Erlend Strand; Steen, Nils Eiel; Melle, Ingrid; Brattbakk, Hans-Richard; Steen, Vidar Martin; Aukrust, Pål; Djurovic, Srdjan; Andreassen, Ole Andreas; Ueland, Thor (Peer reviewed; Journal article, 2018-03-28)The Notch signaling pathway plays a crucial role in neurodevelopment and in adult brain homeostasis. We aimed to further investigate Notch pathway activity in bipolar disorder (BD) and schizophrenia (SCZ) by conducting a ... -
Cannabis Use Is Associated With Increased Levels of Soluble gp130 in Schizophrenia but Not in Bipolar Disorder
Szabo, Attila; Akkouh, Ibrahim; Ueland, Thor; Lagerberg, Trine Vik; Dieset, Ingrid; Bjella, Thomas; Aukrust, Pål; Le Hellard, Stephanie; Stavrum, Anne-Kristin; Melle, Ingrid; Andreassen, Ole Andreas; Djurovic, Srdjan (Journal article; Peer reviewed, 2020)The complex effects of plant cannabinoids on human physiology is not yet fully understood, but include a wide spectrum of effects on immune modulation. The immune system and its inflammatory effector pathways are recently ... -
The carnitine-butyrobetaine-TMAO pathway after cardiac transplant: Impact on cardiac allograft vasculopathy and acute rejection
Trøseid, Marius; Mayerhofer, Christiane Caroline; Broch, Kaspar; Arora, Satish; Svardal, Asbjørn M.; Hov, Johannes Espolin Roksund; Andreassen, Arne K.; Gude, Einar; Karason, Kristjan; Dellgren, Gøran; Berge, Rolf Kristian; Gullestad, Lars; Aukrust, Pål; Ueland, Thor (Peer reviewed; Journal article, 2019)BACKGROUND: Alterations in the partly microbiota-dependent carnitine–γ-butyrobetaine (γBB)–trimethylamine N-oxide (TMAO) pathway have been linked to the progression of heart failure and atherosclerotic disease. We evaluated ... -
Complement component 7 is associated with total- and cardiac death in chest-pain patients with suspected acute coronary syndrome
Aarsetøy, Reidun; Ueland, Thor; Aukrust, Pål; Michelsen, Annika Elisabet; Leon de la Fuente, Ricardo; Grundt, Magnea Heidi Jonsdottir; Staines, Harry; Nygård, Ottar Kjell; Nilsen, Dennis W.T. (Journal article; Peer reviewed, 2021)Background Complement activation has been associated with atherosclerosis, atherosclerotic plaque destabilization and increased risk of cardiovascular events. Complement component 7 (CC7) binds to the C5bC6 complex which ... -
Composite immune marker scores associated with severe mental disorders and illness course
Ormerod, Monica Bettina E. Greenwood; Ueland, Thor; Werner, Maren Caroline Frogner; Hjell, Gabriela; Rødevand, Linn Nilsen; Sæther, Linn Sofie; Lunding, Synve Hoffart; Johansen, Ingrid Torp; Ueland, Torill; Lagerberg, Trine Vik; Melle, Ingrid; Djurovic, Srdjan; Andreassen, Ole; Steen, Nils Eiel (Journal article; Peer reviewed, 2022)Background Low-grade inflammation has been implicated in the pathophysiology of severe mental disorders (SMDs) and a link between immune activation and clinical characteristics is suggested. However, few studies have ... -
Cross-trait genome-wide association analysis of C-reactive protein level and psychiatric disorders
Hindley, Guy; Drange, Ole Kristian; Lin, Aihua; Kutrolli, Gleda; Shadrin, Alexey; Parker, Nadine; O'Connell, Kevin Sean; Rødevand, Linn; Cheng, Weiqiu; Bahrami, Shahram; Karadag, Naz; Holen, Børge; Jaholkowski, Piotr Pawel; Woldeyohannes, Markos Tesfaye; Djurovic, Srdjan; Dale, Anders M.; Frei, Oleksandr; Ueland, Thor; Smeland, Olav Bjerkehagen; Andreassen, Ole (Journal article; Peer reviewed, 2023)C-reactive protein (CRP) tends to be elevated in individuals with psychiatric disorders. Recent findings have suggested a protective effect of the genetic liability to elevated CRP on schizophrenia risk and a causative ... -
Cytokine network in adults with falciparum malaria and HIV-1: increased IL-8 and IP-10 levels are associated with disease severity
Berg, Åse; Patel, Sam; Gonca, Miguel; Catarina, David; Otterdal, Kari; Ueland, Thor; Dalen, Ingvild; Kvaløy, Jan Terje; Mollnes, Tom Eirik; Aukrust, Pål; Langeland, Nina (Peer reviewed; Journal article, 2014-12-11)Background Co-infection with malaria and HIV increases the severity and mortality of both diseases, but the cytokine responses related to this co-infection are only partially characterised. The aim of this study was to ... -
Decreased IL-1β-induced CCL20 response in human iPSC-astrocytes in schizophrenia: Potential attenuating effects on recruitment of regulatory T cells
Akkouh, Ibrahim; Ueland, Thor; Hansson, Lars; Inderhaug, Elin; Hughes, Timothy; Steen, Nils Eiel; Aukrust, Pål; Andreassen, Ole Andreas; Szabo, Attila; Djurovic, Srdjan (Journal article; Peer reviewed, 2020)Schizophrenia (SCZ) is a severe mental disorder with a high heritability. Although its pathophysiology is mainly unknown, dysregulated immune activation and inflammation have recently emerged as possible candidates in the ... -
The Effect of Protease-Activated Receptor-1 (PAR-1) Inhibition on Endothelial-Related Biomarkers in Patients with Coronary Artery Disease
Nilsen, Dennis W.T.; Røysland, Michelle; Ueland, Thor; Aukrust, Pål; Michelsen, Annika Elisabet; Staines, Harry; Barvik, Ståle; Kontny, Frederic; Nordrehaug, Jan Erik; Bonarjee, Vernon V S (Journal article; Peer reviewed, 2022)Background: Vorapaxar has been shown to reduce cardiovascular mortality in postmyocardial infarction (MI) patients. Pharmacodynamic biomarker research related to protease-activated receptor-1 (PAR-1) inhibition with vorapaxar ... -
Elevated markers of gut leakage and inflammasome activation in COVID-19 patients with cardiac involvement
Hoel, Hedda Benedicte; Heggelund, Lars; Reikvam, Dag Henrik; Stiksrud, Birgitte; Ueland, Thor; Michelsen, Annika; Otterdal, Kari; Muller, Karl Erik; Lind, Andreas; Müller, Fredrik; Dudman, Susanne Gjeruldsen; Aukrust, Pål; Dyrhol-Riise, Anne Ma; Holter, Jan Cato; Trøseid, Marius (Journal article; Peer reviewed, 2021)Background A high proportion of COVID‐19 patients have cardiac involvement, even those without known cardiac disease. Downregulation of angiotensin converting enzyme 2 (ACE2), a receptor for SARS‐CoV‐2 and the renin‐angiotensin ... -
Exploring the Wnt signaling pathway in schizophrenia and bipolar disorder
Hoseth, Eva Zsuzsanna; Krull, Florian; Dieset, Ingrid; Mørch, Ragni Helene; Hope, Sigrun; Gardsjord, Erlend Strand; Steen, Nils Eiel; Melle, Ingrid; Brattbakk, Hans-Richard; Steen, Vidar Martin; Aukrust, Pål; Djurovic, Srdjan; Andreassen, Ole Andreas; Ueland, Thor (Peer reviewed; Journal article, 2018)The Wnt signaling pathway plays a crucial role in neurodevelopment and in regulating the function and structure of the adult nervous system. Schizophrenia (SCZ) and bipolar disorder (BD) are severe mental disorders with ... -
Fatty Acids Composition and HIV Infection: Altered Levels of n-6 Polyunsaturated Fatty Acids Are Associated with Disease Progression
Ueland, Thor; Waagsbø, Bjørn; Berge, Rolf Kristian; Trøseid, Marius; Aukrust, Pål; Damås, Jan Kristian (Journal article; Peer reviewed, 2023)Fatty acids (FAs) are important regulators of immune responses and innate defense mechanisms. We hypothesized that disturbed FA metabolism could contribute to the progression of HIV infection. Plasma levels of 45 FAs were ... -
Genetic Overlap Between Global Cortical Brain Structure, C-Reactive Protein, and White Blood Cell Counts
Parker, Nadine; Cheng, Weiqiu; Hindley, Guy; O'Connell, Kevin Sean; Karthikeyan, Sandeep; Holen, Børge; Shadrin, Alexey; Rahman, Zillur; Karadag, Naz; Bahrami, Shahram; Lin, Aihua; Steen, Nils Eiel; Ueland, Thor; Aukrust, Pål; Djurovic, Srdjan; Dale, Anders; Smeland, Olav Bjerkehagen; Frei, Oleksandr; Andreassen, Ole (Journal article; Peer reviewed, 2024)Background For many brain disorders, a subset of patients jointly exhibit alterations in cortical brain structure and elevated levels of circulating immune markers. This may be driven in part by shared genetic architecture. ... -
Gut microbiota composition during hospitalization is associated with 60-day mortality after severe COVID-19
Trøseid, Marius; Holter, Jan Cato; Holm, Kristian; Vestad, Beate; Sazonova, Taisiia; Granerud, Beathe Kiland; Dyrhol-Riise, Anne Ma; Holten, Aleksander Rygh; Tonby, Kristian; Kildal, Anders Benjamin; Heggelund, Lars; Tveita, Anders Aune; Bøe, Simen; Müller, Karl Erik; Jenum, Synne; Hov, Johannes Espolin Roksund; Ueland, Thor (Journal article; Peer reviewed, 2023)Background Gut microbiota alterations have been reported in hospitalized COVID-19 patients, with reduced alpha diversity and altered microbiota composition related to respiratory failure. However, data regarding gut ... -
Gut microbiota-dependent trimethylamine N-oxide associates with inflammation in common variable immunodeficiency
Macpherson, Magnhild Eide; Hov, Johannes Espolin Roksund; Ueland, Thor; Dahl, Tuva Børresdatter; Kummen, Martin; Otterdal, Kari; Holm, Kristian; Berge, Rolf Kristian; Mollnes, Tom Eirik; Trøseid, Marius; Halvorsen, Bente; Aukrust, Pål; Fevang, Børre; Jørgensen, Silje Fjellgård (Journal article; Peer reviewed, 2020)A substantial proportion of patients with common variable immunodeficiency (CVID) have inflammatory and autoimmune complications of unknown etiology. We have previously shown that systemic inflammation in CVID correlates ... -
Hepcidin and Ferritin Predict Microbial Etiology in Community-Acquired Pneumonia
Oppen, Kjersti; Ueland, Thor; Siljan, William Ward; Skadberg, Øyvind; Brede, Cato; Lauritzen, Trine; Aukrust, Pål; Steinsvik, Trude; Husebye, Einar; Michelsen, Annika; Holter, Jan Cato; Heggelund, Lars (Journal article; Peer reviewed, 2021)Background Iron is crucial for survival and growth of microbes. Consequently, limiting iron availability is a human antimicrobial defense mechanism. We explored iron and iron-related proteins as potential biomarkers in ... -
Hepcidin predicts 5-year mortality after community-acquired pneumonia
Oppen, Kjersti; Ueland, Thor; Michelsen, Annika Elisabet; Aukrust, Pål; Steinsvik, Trude; Skadberg, Øyvind; Brede, Cato; Siljan, William Ward; Husebye, Einar; Holter, Jan Cato; Heggelund, Lars (Journal article; Peer reviewed, 2022)Background Virtually all living organisms, including microbes and humans, depend on iron to survive and grow. During an infection, the plasma level of iron and several iron-related proteins change substantially. We ...