Blar i Department of Clinical Science på forfatter "Ueland, Per Magne"

Viser treff 21-40 av 60

    • A comparison of complementary measures of vitamin B6 status, function, and metabolism in the European Prospective Investigation into Cancer and Nutrition (EPIC) study 

      Clasen, Joanna L; Heath, Alicia K.; Van Puyvelde, Heleen; Huybrechts, Inge; Park, Jin Young; Ferrari, Pietro; Johansson, Mattias; Scelo, Ghislaine; Ulvik, Arve; Midttun, Øivind; Ueland, Per Magne; Dahm, Christina C; Halkjær, Jytte; Olsen, Anja; Johnson, Theron; Katzke, Verena; Schulze, Matthias B; Masala, Giovanna; Segrado, Francesco; De Magistris, Maria Santucci; Sacerdote, Carlotta; Ocké, Marga C; Luján-Barroso, Leila; Ching-López, Ana; Huerta, José María; Ardanaz, Eva; Amiano, Pilar; Ericson, Ulrika; Manjer, Jonas; Gylling, Björn; Johansson, Ingegerd; Schmidt, Julie; Weiderpass, Elisabete; Riboli, Elio; Cross, Amanda J; Muller, David C (Journal article; Peer reviewed, 2021)
      Background Vitamin B6 insufficiency has been linked to increased risk of cancer and other chronic diseases. The circulating concentration of pyridoxal 5′-phosphate (PLP) is a commonly used measure of vitamin B6 status. ...

    • Creatinine, total cysteine and uric acid are associated with serum retinol in patients with cardiovascular disease 

      Olsen, Thomas; Vinknes, Kathrine; Blomhoff, Rune; Lysne, Vegard; Midttun, Øivind; Dhar, Indu; Ueland, Per Magne; Svingen, Gard Frodahl Tveitevåg; Pedersen, Eva Ringdal; Drevon, Christian A; Refsum, Helga; Nygård, Ottar (Peer reviewed; Journal article, 2019-09-09)
      Purpose: We hypothesized that biomarkers and dietary factors related to cardiovascular disease risk were associated with serum retinol and evaluated these potential associations in patients with suspected coronary artery ...

    • DNA Methylation Score as a Biomarker in Newborns for Sustained Maternal Smoking during Pregnancy 

      Reese, Sarah E; Zhao, Shanshan; Wu, Michael C; Joubert, Bonnie R; Parr, Christine Louise; Håberg, Siri Eldevik; Ueland, Per Magne; Nilsen, Roy Miodini; Midttun, Øivind; Vollset, Stein Emil; Peddada, Shyamal D; Nystad, Wenche; London, Stephanie J (Peer reviewed; Journal article, 2017-04)
      Background: Maternal smoking during pregnancy, especially when sustained, leads to numerous adverse health outcomes in offspring. Pregnant women disproportionately underreport smoking and smokers tend to have lower follow-up ...

    • The effect of electroconvulsive therapy (ECT) on serum kynurenine pathway metabolites in late-life depression 

      Aarsland, Tore Ivar Malmei; Haavik, Jan; Ulvik, Arve; Ueland, Per Magne; Dols, Annemiek; Kessler, Ute (Journal article; Peer reviewed, 2023)
      Background Depression is reportedly associated with alterations in kynurenine pathway metabolites (kynurenines). Several kynurenines are involved in glutamate signaling, and some have potentially neurotoxic effects while ...

    • Effect of Folic Acid Supplementation on Levels of Circulating Monocyte Chemoattractant Protein-1 and the Presence of Intravascular Ultrasound Derived Virtual Histology Thin-Cap Fibroatheromas in Patients with Stable Angina Pectoris 

      Løland, Kjetil Halvorsen; Bleie, Øyvind; Strand, Elin; Ueland, Per Magne; Nordrehaug, Jan Erik; Garcia-Garcia, Hector M.; Serruys, Patrick W.; Nygård, Ottar (Peer reviewed; Journal article, 2013-07-25)
      Background: Virtual Histology Intravascular Ultrasound (VH–IVUS) may be used to detect early signs of unstable coronary artery disease. Monocyte Chemoattractant Protein-1 (MCP-1) is linked with coronary atherosclerosis and ...

    • Elevated plasma cystathionine is associated with increased risk of mortality among patients with suspected or established coronary heart disease 

      Dhar, Indu; Lysne, Vegard; Svingen, Gard Frodahl Tveitevåg; Ueland, Per Magne; Gregory, Jesse F.; Bønaa, Kaare Harald; Nygård, Ottar (Journal article; Peer reviewed, 2019)
      Background Elevated circulating cystathionine levels are related to atherosclerotic cardiovascular disease, a leading cause of death globally. Objective We investigated whether plasma cystathionine was associated with ...

    • Epidemiology of 40 blood biomarkers of one-carbon metabolism, vitamin status, inflammation, and renal and endothelial function among cancer-free older adults 

      Zahed, Hana; Johansson, Mattias; Ueland, Per Magne; Midttun, Øivind; Milne, Roger L.; Giles, Graham G.; Manjer, Jonas; Sandsveden, Malte; Langhammer, Arnulf; Sørgjerd, Elin Pettersen; Grankvist, Kjell; Johansson, Mikael; Freedman, Neal D.; Huang, Wen-Yi; Chen, Chu; Prentice, Ross; Stevens, Victoria L.; Wang, Ying; Le Marchand, Loic; Wilkens, Lynne R.; Weinstein, Stephanie J.; Albanes, Demetrius; Cai, Qiuyin; Blot, William J.; Arslan, Alan A.; Zeleniuch-Jacquotte, Anne; Shu, Xiao-Ou; Zheng, Wei; Yuan, Jian-Min; Koh, Woon-Puay; Visvanathan, Kala; Sesso, Howard D.; Zhang, Xuehong; Gaziano, J. Michael; Fanidi, Anouar; Muller, David; Brennan, Paul; Guida, Florence; Robbins, Hilary A. (Journal article; Peer reviewed, 2021)
      Imbalances of blood biomarkers are associated with disease, and biomarkers may also vary non-pathologically across population groups. We described variation in concentrations of biomarkers of one-carbon metabolism, vitamin ...

    • Exploratory analyses on the effect of time since last meal on concentrations of amino acids, lipids, one-carbon metabolites, and vitamins in the Hordaland Health Study 

      Anfinsen, Åslaug Matre; Rosendahl-Riise, Hanne; Nygård, Ottar Kjell; Tell, Grethe S.; Ueland, Per Magne; Ulvik, Arve; McCann, Adrian; Dierkes, Jutta; Lysne, Vegard (Journal article; Peer reviewed, 2023)
      Purpose Dietary intake may have pronounced effects on circulating biomarker concentrations. Therefore, the aim was to provide a descriptive overview of serum metabolite concentrations in relation to time since last meal, ...

    • Glycated hemoglobin and long-term prognosis in patients with suspected stable angina pectoris without diabetes mellitus: A prospective cohort study 

      Rebnord, Eirik Wilberg; Pedersen, Eva Kristine Ringdal; Strand, Elin; Svingen, Gard Frodahl Tveitevåg; Meyer, Klaus; Schartum-Hansen, Hall; Løland, Kjetil Halvorsen; Seifert, Reinhard; Ueland, Per Magne; Nilsen, Dennis W. T.; Nordrehaug, Jan Erik; Nygård, Ottar (Peer reviewed; Journal article, 2015-05)
      Objective: Associations of glycated hemoglobin A1c (HbA1c) levels to incident coronary and cardiovascular events among non-diabetic patients with coronary artery disease are unclear. We investigated relations of HbA1c to ...

    • Healthy Nordic diet and associations with plasma concentrations of metabolites in the choline oxidation pathway: a cross-sectional study from Northern Sweden 

      Hesselink, André; Winkvist, Anna; Lindahl, Bernt; Ueland, Per Magne; Schneede, Jørn; Johansson, Ingegerd; Karlsson, Therese (Journal article; Peer reviewed, 2023-05-17)
      Background: The choline oxidation pathway and metabolites involved have been linked to diseases including cardiovascular disease, type 2 diabetes and cancer. A healthy Nordic diet is a recently defined dietary pattern ...

    • High neopterin and IP-10 levels in cerebrospinal fluid are associated with neurotoxic tryptophan metabolites in acute central nervous system infections 

      Quist-Paulsen, Else; Aukrust, Pål; Kran, Anne-Marte Bakken; Dunlop, Oona Borghild; Ormaasen, Vidar; Stiksrud, Birgitte; Midttun, Øivind; Ueland, Thor; Ueland, Per Magne; Mollnes, Tom Eirik; Dyrhol-Riise, Anne Ma (Peer reviewed; Journal article, 2018-11-23)
      Background The host response to intruders in the central nervous system (CNS) may be beneficial but could also be harmful and responsible for neurologic symptoms and sequelae in CNS infections. This immune response induces ...

    • Higher concentrations of kynurenic acid in CSF are associated with the slower clinical progression of Alzheimer's disease 

      Knapskog, Anne Brita; Aksnes, Mari; Edwin, Trine Holt; Ueland, Per Magne; Ulvik, Arve; Fang, Fei; Eldholm, Rannveig Sakshaug; Halaas, Nathalie Bodd; Saltvedt, Ingvild Tina; Giil, Lasse Melvær; Watne, Leiv (Journal article; Peer reviewed, 2023)
      Introduction: The kynurenine pathway's (KP) malfunction is closely related to Alzheimer's disease (AD), for antagonistic kynurenic acid (KA) and agonistic quinolinic acid act on the N-methyl-D-aspartate receptor, a possible ...

    • Impact of HIV and type 2 diabetes on gut microbiota diversity, tryptophan catabolism and endothelial dysfunction 

      Hoel, Hedda Benedicte; Hove-Skovsgaard, Malene; Hov, Johannes Espolin Roksund; Gaardbo, Julie Christine; Holm, Kristian; Kummen, Martin; Rudi, Knut; Nwosu, Felix; Valeur, Jørgen; Gelpi, Marco; Seljeflot, Ingebjørg; Ueland, Per Magne; Gerstoft, Jan; Ullum, Henrik; Aukrust, Pål; Nielsen, Susanne Dam; Trøseid, Marius (Peer reviewed; Journal article, 2018-04-30)
      HIV infection and type 2 diabetes are associated with altered gut microbiota, chronic inflammation, and increased cardiovascular risk. We aimed to investigate the combined effect of these diseases on gut microbiota composition ...

    • Impact of Pre-Pregnancy BMI on B Vitamin and Inflammatory Status in Early Pregnancy: An Observational Cohort Study 

      Monsen, Anne Lise Bjørke; Ulvik, Arve; Nilsen, Roy Miodini; Midttun, Øivind; Roth, Christine; Magnus, Per; Stoltenberg, Camilla; Vollset, Stein Emil; Reichborn-Kjennerud, Ted; Ueland, Per Magne (Peer reviewed; Journal article, 2016-11-30)
      Maternal nutrition and inflammation have been suggested as mediators in the development of various adverse pregnancy outcomes associated with maternal obesity. We have investigated the relation between pre-pregnancy BMI, ...

    • Inflammation, sex, blood pressure changes and hypertension in midlife: the Hordaland Health Study 

      Kringeland, Ester Anne; Gerdts, Eva; Ulvik, Arve; Tell, Grethe S.; Igland, Jannicke; Haugsgjerd, Teresa Risan; Ueland, Per Magne; Midtbø, Helga Bergljot (Journal article; Peer reviewed, 2022)
      Our aim was to test sex-specific associations of circulating markers of inflammation with blood pressure (BP) and incident hypertension in midlife. Participants in the Hordaland Health study (n = 3280, 56% women, mean age ...

    • Inflammatory markers, the tryptophan-kynurenine pathway, and Vitamin B status after bariatric surgery 

      Christensen, Monika; Fadnes, Dag Jone Stokke; Røst, Therese Halvorsen; Pedersen, Eva Ringdal; Andersen, John Roger; Våge, Villy; Ulvik, Arve; Midttun, Øivind; Ueland, Per Magne; Nygård, Ottar; Mellgren, Gunnar (Peer reviewed; Journal article, 2018-02-05)
      Objective: Obesity is associated with increased inflammation and insulin resistance. In conditions with chronic immune activation, low plasma vitamin B6-levels are described, as well as an increased kynurenine:tryptophan-ratio ...

    • The Kynurenine Pathway Is Upregulated by Methyl-deficient Diet and Changes Are Averted by Probiotics 

      Tillmann, Sandra; Awwad, Hussain M.; MacPherson, Chad W.; Happ, Denise F.; Treccani, Giulia; Geisel, Juergen; Tompkins, Thomas A.; Ueland, Per Magne; Wegener, Gregers; Obeid, Rima (Journal article; Peer reviewed, 2021)
      Scope Probiotics exert immunomodulatory effects and may influence tryptophan metabolism in the host. Deficiency of nutrients related to C1 metabolism might stimulate inflammation by enhancing the kynurenine pathway. This ...

    • Kynurenine Pathway Metabolites in the Blood and Cerebrospinal Fluid Are Associated with Human Aging 

      Solvang, Stein-Erik Hafstad; Hodge, Allison; Watne, Leiv; Cabral-Marques, Otavio; Nordrehaug, Jan Erik; Giles, Graham G.; Dugué, Pierre-Antoine; Nygård, Ottar Kjell; Ueland, Per Magne; McCann, Adrian; Idland, Ane-Victoria; Midttun, Øivind; Ulvik, Arve; Halaas, Nathalie Bodd; Tell, Grethe S.; Melvær, Giil Lasse (Journal article; Peer reviewed, 2022)
      The kynurenine pathway is implicated in aging, longevity, and immune regulation, but longitudinal studies and assessment of the cerebrospinal fluid (CSF) are lacking. We investigated tryptophan (Trp) and downstream kynurenine ...

    • Kynurenines, Neuropsychiatric Symptoms, and Cognitive Prognosis in Patients with Mild Dementia 

      Solvang, Stein-Erik Hafstad; Nordrehaug, Jan Erik; Aarsland, Dag; Lange, Johannes; Ueland, Per Magne; McCann, Adrian; Midttun, Øivind; Tell, Grethe S.; Melvær, Giil Lasse (Journal article; Peer reviewed, 2019)
      Introduction: Circulating tryptophan (Trp) and its downstream metabolites, the kynurenines, are potentially neuroactive. Consequently, they could be associated with neuropsychiatric symptoms and cognitive prognosis in ...

    • Lipid parameters and vitamin A modify cardiovascular risk prediction by plasma neopterin 

      Dhar, Indu; Siddique, Sumia; Pedersen, Eva Kristine Ringdal; Svingen, Gard FT; Lysne, Vegard; Olsen, Thomas; Nilsen, Dennis W.T.; Nordrehaug, Jan Erik; Midttun, Øivind; Ueland, Per Magne; Tell, Grethe S; Nygård, Ottar (Journal article; Peer reviewed, 2020)
      Objectives Oxidised cholesterol metabolites are linked to increased production of the active vitamin A (Vit-A) form and monocyte/macrophage activation, which may be reflected by neopterin, a marker of both interferon-γ–mediated ...