Blar i Bergen Open Research Archive på forfatter "Nygård, Ottar"
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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 ... -
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 ... -
Heart Failure Complicating Acute Myocardial Infarction; Burden and Timing of Occurrence: A Nation-wide Analysis Including 86 771 Patients From the Cardiovascular Disease in Norway (CVDNOR) Project
Sulo, Gerhard; Igland, Jannicke; Vollset, Stein Emil; Nygård, Ottar; Ebbing, Marta; Sulo, Enxhela; Egeland, Grace M.; Tell, Grethe Seppola (Peer reviewed; Journal article, 2016)Background: Coronary heart disease (CHD) represents often the underlying conditions for the development of heart failure (HF). We aimed at exploring the burden and timing of HF complicating an acute myocardial infarction ... -
Hypertensive pregnancy disorders increase the risk of maternal cardiovascular disease after adjustment for cardiovascular risk factors
Riise, Hilde Kristin Refvik; Sulo, Gerhard; Tell, Grethe S.; Igland, Jannicke; Egeland, Grace M.; Nygård, Ottar; Selmer, Randi Marie; Iversen, Ann-Charlotte; Daltveit, Anne Kjersti (Peer reviewed; Journal article, 2019)Background and aim: Hypertensive pregnancy disorders are associated with subsequent cardiovascular disease (CVD), but the extent to which this association is explained by shared risk factors is unknown. We aimed to evaluate ... -
Incident coronary heart disease after Preeclampsia: Role of reduced fetal growth, preterm delivery, and parity
Riise, Hilde Kristin Refvik; Sulo, Gerhard; Tell, Grethe S.; Igland, Jannicke; Nygård, Ottar; Vollset, Stein Emil; Iversen, Ann-Charlotte; Austgulen, Rigmor; Daltveit, Anne Kjersti (Peer reviewed; Journal article, 2017)Background: Preeclampsia is a severe pregnancy disorder often complicated by reduced fetal growth or preterm delivery and is associated with long‐term maternal morbidity and mortality. We aimed to assess the association ... -
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 ... -
Intake of carbohydrates and SFA and risk of CHD in middle-age adults: The Hordaland Health Study (HUSK)
Haugsgjerd, Teresa Risan; Egeland, Grace M.; Nygård, Ottar; Igland, Jannicke; Sulo, Gerhard; Lysne, Vegard; Vinknes, Kathrine; Bjørnevik, Kjetil Lauvland; Tell, Grethe S. (Journal article; Peer reviewed, 2020)Objective: Limiting SFA intake may minimise the risk of CHD. However, such reduction often leads to increased intake of carbohydrates. We aimed to evaluate associations and the interplay of carbohydrate and SFA intake on ... -
Interferon-γ–induced inflammatory markers and the risk of cancer: The Hordaland Health Study
Zuo, Hui; Tell, Grethe Seppola; Vollset, Stein Emil; Ueland, Per Magne; Nygård, Ottar; Midttun, Øivind; Meyer, Klaus; Ulvik, Arve; Eussen, Simone (Peer reviewed; Journal article, 2014-06-19)Background It has been reported that interferon-γ (IFN-γ)–induced inflammatory markers, such as circulating neopterin and kynurenine-to-tryptophan ratio (KTR), are increased in patients with cancer and are also a predictor ... -
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 ... -
Long-term treatment with the pan-PPAR agonist tetradecylthioacetic acid or fish oil is associated with increased cardiac content of n-3 fatty acids in rat
Strand, Elin; Bjørndal, Bodil; Nygård, Ottar; Burri, Lena; Berge, Christ; Bohov, Pavol; Christensen, Bjørn Jostein; Berge, Kjetil; Wergedahl, Hege; Viste, Asgaut; Berge, Rolf Kristian (Peer reviewed; Journal article, 2012-06-27)Background: Excess peroxisome proliferator-activated receptor (PPAR) stimulation has been associated with detrimental health effects including impaired myocardial function. Recently, supplementation with n-3 polyunsaturated ... -
Markers of vitamin B6 status and metabolism as predictors of incident cancer: The Hordaland Health Study.
Zuo, Hui; Ueland, Per Magne; Eussen, Simone; Tell, Grethe Seppola; Vollset, Stein Emil; Nygård, Ottar; Midttun, Øivind; Meyer, Klaus; Ulvik, Arve (Peer reviewed; Journal article, 2014-11-26)Dietary intake and/or circulating concentrations of vitamin B6 have been associated with risk of cancer, but results are inconsistent and mechanisms uncertain. Pyridoxal 5'-phosphate (PLP) is the most commonly used marker ... -
A mitochondria-targeted fatty acid analogue influences hepatic glucose metabolism and reduces the plasma insulin/glucose ratio in male Wistar rats
Lindquist, Carine; Bjørndal, Bodil; Bakke, Hege Gilbø; Slettom, Grete; Karoliussen, Marie; Rustan, Arild; Thoresen, G. Hege; Skorve, Jon; Nygård, Ottar; Berge, Rolf Kristian (Peer reviewed; Journal article, 2019-09-24)A fatty acid analogue, 2-(tridec-12-yn-1-ylthio)acetic acid (1-triple TTA), was previously shown to have hypolipidemic effects in rats by targeting mitochondrial activity predominantly in liver. This study aimed to determine ... -
Neopterin as an effect modifier of the cardiovascular risk predicted by total homocysteine: A prospective 2-cohort study
Bjørnestad, Espen Øglænd; Borsholm, Robert Andre; Svingen, Gard Frodahl Tveitevåg; Pedersen, Eva Ringdal; Seifert, Reinhard; Midttun, Øivind; Ueland, Per Magne; Tell, Grethe S.; Bønaa, Kaare Harald; Nygård, Ottar (Peer reviewed; Journal article, 2017-10)Background: Plasma total homocysteine (tHcy) is related to plasma neopterin, an indicator of interferon‐γ‐mediated immune activation, and both biomarkers positively predict cardiovascular risk. We examined whether the ... -
The PAr index, an indicator reflecting altered vitamin B-6 homeostasis, is associated with long-term risk of stroke in the general population: the Hordaland Health Study (HUSK)
Zuo, Hui; Tell, Grethe S.; Ueland, Per Magne; Nygård, Ottar; Vollset, Stein Emil; Midttun, Øivind; Meyer, Klaus; Ulvik, Arve (Peer reviewed; Journal article, 2018-01)Background: Vitamin B-6 homeostasis is altered during inflammation and immune activation. It is unknown whether altered vitamin B-6 homeostasis is associated with the risk of stroke. Objective: We investigated the relation ... -
Peroxisome Proliferator-Activated Receptor Activation is Associated with Altered Plasma One-Carbon Metabolites and B-Vitamin Status in Rats
Lysne, Vegard; Strand, Elin; Svingen, Gard Frodahl Tveitevåg; Bjørndal, Bodil; Pedersen, Eva Ringdal; Midttun, Øivind; Olsen, Thomas; Ueland, Per Magne; Berge, Rolf Kristian; Nygård, Ottar (Peer reviewed; Journal article, 2016-01-05)Plasma concentrations of metabolites along the choline oxidation pathway have been linked to increased risk of major lifestyle diseases, and peroxisome proliferator-activated receptors (PPARs) have been suggested to be ... -
A Phospholipid-Protein Complex from Antarctic Krill Reduced Plasma Homocysteine Levels and Increased Plasma Trimethylamine-N-Oxide (TMAO) and Carnitine Levels in Male Wistar Rats
Bjørndal, Bodil; Ramsvik, Marie Sannes; Lindquist, Carine; Nordrehaug, Jan Erik; Bruheim, Inge; Svardal, Asbjørn M.; Nygård, Ottar; Berge, Rolf Kristian (Peer reviewed; Journal article, 2015-09-08)Seafood is assumed to be beneficial for cardiovascular health, mainly based on plasma lipid lowering and anti-inflammatory effects of n-3 polyunsaturated fatty acids. However, other plasma risk factors linked to cardiovascular ... -
Plasma 25-hydroxyvitamin D and mortality in patients with suspected stable angina pectoris
Degerud, Eirik; Nygård, Ottar; De Vogel, Stefan; Hoff, Rune; Svingen, Gard Frodahl Tveitevåg; Pedersen, Eva Ringdal; Nilsen, Dennis W.T.; Nordrehaug, Jan Erik; Midttun, Øivind; Ueland, Per Magne; Dierkes, Jutta (Peer reviewed; Journal article, 2018-03)Context and Objective: Vitamin D status may affect cardiovascular disease (CVD) development and survival. We studied the relationship between concentrations of the circulating biomarker 25-hydroxyvitamin D (25OHD) and ... -
Plasma 3-hydroxyisobutyrate (3-HIB) and methylmalonic acid (MMA) are markers of hepatic mitochondrial fatty acid oxidation in male Wistar rats
Bjune, Mona Synnøve; Lindquist, Carine; Stafsnes, Marit Hallvardsdotter; Bjørndal, Bodil; Bruheim, Per; Aloysius, Thomas Aquinas; Nygård, Ottar; Skorve, Jon; Madsen, Lise; Dankel, Simon N; Berge, Rolf Kristian (Journal article; Peer reviewed, 2021)Objective: Discovery of specific markers that reflect altered hepatic fatty acid oxidation could help to detect an individual's risk of fatty liver, type 2 diabetes and cardiovascular disease at an early stage. Lipid and ... -
Plasma Biomarkers of Inflammation, the Kynurenine Pathway, and Risks of All-Cause, Cancer, and Cardiovascular Disease Mortality. The Hordaland Health Study
Zuo, Hui; Ueland, Per Magne; Ulvik, Arve; Eussen, Simone; Vollset, Stein Emil; Nygård, Ottar; Midttun, Øivind; Theofylaktopoulou, Despoina; Meyer, Klaus; Tell, Grethe Seppola (Peer reviewed; Journal article, 2016)We aimed to evaluate 10 biomarkers related to inflammation and the kynurenine pathway, including neopterin, kynurenine:tryptophan ratio, C-reactive protein, tryptophan, and 6 kynurenines, as potential predictors of all-cause ...