Hjem
Bjørn Øivind Midttuns bilde

Bjørn Øivind Midttun

Gjesteforsker
  • E-postbjorn.midttun@uib.no
  • Besøksadresse
    Haukeland universitetssykehus, Laboratoriebygget
    5009 Bergen
  • Postadresse
    Postboks 7804
    5020 Bergen
Vitenskapelig artikkel
  • Vis forfatter(e) (2022). The Association between Serum Serine and Glycine and Related-Metabolites with Pancreatic Cancer in a Prospective Cohort Study. Cancers. 1-14.
  • Vis forfatter(e) (2022). Kynurenine Pathway Metabolites in the Blood and Cerebrospinal Fluid Are Associated with Human Aging. Oxidative Medicine and Cellular Longevity. 1-15.
  • Vis forfatter(e) (2022). Consumption of a light meal affects serum concentrations of one-carbon metabolites and B-vitamins. A clinical intervention study. British Journal of Nutrition. 10 sider.
  • Vis forfatter(e) (2022). Association of the Kynurenine Pathway of Tryptophan Metabolism with Human Immunodeficiency Virus-Related Gut Microbiota Alterations and Visceral Adipose Tissue Accumulation. Journal of Infectious Diseases. 1948-1954.
  • Vis forfatter(e) (2022). A prospective study of pre-diagnostic circulating tryptophan and kynurenine, and the kynurenine/tryptophan ratio and risk of glioma. Cancer Epidemiology.
  • Vis forfatter(e) (2021). Pre-diagnostic circulating concentrations of fat-soluble vitamins and risk of glioma in three cohort studies. Scientific Reports. 8 sider.
  • Vis forfatter(e) (2021). Plasma cotinine is positively associated with homocysteine in smokers but not in users of smokeless tobacco. International Journal of Environmental Research and Public Health (IJERPH).
  • Vis forfatter(e) (2021). Inflammation-related marker profiling of dietary patterns and all-cause mortality in the melbourne collaborative cohort study. Journal of Nutrition. 2908-2916.
  • Vis forfatter(e) (2021). Effect of high intake of cod or salmon on serum total neopterin concentration: a randomised clinical trial. European Journal of Nutrition. 3237-3248.
  • Vis forfatter(e) (2021). Baked cod consumption delayed the development of kidney and liver dysfunction and affected plasma amino acid concentrations, but did not affect blood pressure, blood glucose or liver triacylglycerol concentrations in obese fa/fa Zucker rats. Nutrition Research. 72-83.
  • Vis forfatter(e) (2021). Associations of neopterin and kynurenine–tryptophan ratio with survival in primary sclerosing cholangitis. Scandinavian Journal of Gastroenterology. 443-452.
  • Vis forfatter(e) (2021). Associations between plasma kynurenines and cognitive function in individuals with normal glucose metabolism, prediabetes and type 2 diabetes: the Maastricht Study. Diabetologia. 1-13.
  • Vis forfatter(e) (2021). Alterations in the Kynurenine Pathway of Tryptophan Metabolism Are Associated With Depression in People Living With HIV. Journal of Acquired Immune Deficiency Syndromes. e177-e181.
  • Vis forfatter(e) (2021). A comparison of complementary measures of vitamin B6 status, function, and metabolism in the European Prospective Investigation into Cancer and Nutrition (EPIC) study. American Journal of Clinical Nutrition. 338-347.
  • Vis forfatter(e) (2020). Urinary cotinine is as good a biomarker as serum cotinine for cigarette smoking exposure and lung cancer risk prediction. Cancer Epidemiology, Biomarkers and Prevention. 127-132.
  • Vis forfatter(e) (2020). Plasma kynurenines and prognosis in patients with heart failure. PLOS ONE. 1-15.
  • Vis forfatter(e) (2020). Lipid parameters and vitamin A modify cardiovascular risk prediction by plasma neopterin. Heart. 1073-1079.
  • Vis forfatter(e) (2020). Five salmon dinners per week were not sufficient to prevent the reduction in serum vitamin D in autumn at 60° north latitude: A randomised trial. British Journal of Nutrition. 419-427.
  • Vis forfatter(e) (2020). Elevated plasma cotinine is associated with an increased risk of developing IBD, especially among users of combusted tobacco. PLOS ONE.
  • Vis forfatter(e) (2020). Effects of high intake of cod or salmon on gut microbiota profile, faecal output and serum concentrations of lipids and bile acids in overweight adults: a randomised clinical trial. European Journal of Nutrition. 1-18.
  • Vis forfatter(e) (2020). Effect of cod residual protein supplementation on markers of glucose regulation in lean adults: A randomized double-blind study. Nutrients. 1-12.
  • Vis forfatter(e) (2020). Components of the choline oxidation pathway modify the association between the apolipoprotein ε4 gene variant and cognitive decline in patients with dementia. Brain Research. 1-8.
  • Vis forfatter(e) (2020). Altered Gut Microbial Metabolism of Essential Nutrients in Primary Sclerosing Cholangitis. Gastroenterology.
  • Vis forfatter(e) (2020). Abdominal Adipose Tissue Is Associated With Alterations in Tryptophan-Kynurenine Metabolism and Markers of Systemic Inflammation in People With Human Immunodeficiency Virus. Journal of Infectious Diseases. 419-427.
  • Vis forfatter(e) (2020). A prospective evaluation of serum methionine-related metabolites in relation to pancreatic cancer risk in two prospective cohort studies. International Journal of Cancer. 1917-1927.
  • Vis forfatter(e) (2019). Vitamin B6 catabolism and lung cancer risk: Results from the Lung Cancer Cohort Consortium (LC3). Annals of Oncology. 478-485.
  • Vis forfatter(e) (2019). Vitamin B-6 Status Correlates with Disease Activity in Rheumatoid Arthritis Patients During Treatment with TNFα Inhibitors. Journal of Nutrition. 770-775.
  • Vis forfatter(e) (2019). Using metabolic profiling and gene expression analyses to explore molecular effects of replacing saturated fat with polyunsaturated fat-a randomized controlled dietary intervention study. American Journal of Clinical Nutrition. 1239-1250.
  • Vis forfatter(e) (2019). Urine and plasma concentrations of amino acids and plasma vitamin status differ, and are differently affected by salmon intake, in obese Zucker fa/fa rats with impaired kidney function and in Long-Evans rats with healthy kidneys. British Journal of Nutrition. 262-273.
  • Vis forfatter(e) (2019). Tryptophan catabolites as metabolic markers of vitamin B-6 status evaluated in cohorts of healthy adults and cardiovascular patients . American Journal of Clinical Nutrition. 178-186.
  • Vis forfatter(e) (2019). The kynurenine pathway and cognitive performance in community-dwelling older adults. The Hordaland Health Study. Brain, Behavior, and Immunity. 155-162.
  • Vis forfatter(e) (2019). The effect of electroconvulsive therapy (ECT) on serum tryptophan metabolites. Brain Stimulation. 1135-1142.
  • Vis forfatter(e) (2019). The associations between cognitive prognosis and kynurenines are modified by the apolipoprotein ε4 allele variant in patients with dementia. International Journal of Tryptophan Research (IJTR). 1-8.
  • Vis forfatter(e) (2019). TMAO, creatine and 1-methylhistidine in serum and urine are potential biomarkers of cod and salmon intake: a randomised clinical trial in adults with overweight or obesity. European Journal of Nutrition. 1-11.
  • Vis forfatter(e) (2019). Smoking in pregnancy, cord blood cotinine and risk of celiac disease diagnosis in offspring. European Journal of Epidemiology (EJE). 13 sider.
  • Vis forfatter(e) (2019). Short-term treatment with a peroxisome proliferator-activated receptor α agonist influences plasma one-carbon metabolites and B-vitamin status in rats. PLOS ONE. 1-13.
  • Vis forfatter(e) (2019). One-carbon metabolite ratios as functional B-vitamin markers and in relation to colorectal cancer risk. International Journal of Cancer. 947-956.
  • Vis forfatter(e) (2019). Kynurenines, Neuropsychiatric Symptoms, and Cognitive Prognosis in Patients with Mild Dementia. International Journal of Tryptophan Research (IJTR). 1-9.
  • Vis forfatter(e) (2019). Creatinine, total cysteine and uric acid are associated with serum retinol in patients with cardiovascular disease. European Journal of Nutrition.
  • Vis forfatter(e) (2019). Circulating markers of cellular immune activation in pre-diagnostic blood sample and lung cancer risk in the Lung Cancer Cohort Consortium (LC3). International Journal of Cancer. 2394-2405.
  • Vis forfatter(e) (2019). Circulating high sensitivity C reactive protein concentrations and risk of lung cancer: Nested case-control study within Lung Cancer Cohort Consortium. The BMJ. 1-9.
  • Vis forfatter(e) (2018). Urinary excretion of homocysteine thiolactone and the risk of acute myocardial infarction in coronary artery disease patients: the WENBIT trial. Journal of Internal Medicine. 232-244.
  • Vis forfatter(e) (2018). The risk association of plasma total homocysteine with acute myocardial infarction is modified by serum vitamin A. European Journal of Preventive Cardiology (EJPC). 1612-1620.
  • Vis forfatter(e) (2018). 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). American Journal of Clinical Nutrition. 105-112.
  • Vis forfatter(e) (2018). Renal function and blood pressure in 11 year old children born extremely preterm or small for gestational age. PLOS ONE. 1-11.
  • Vis forfatter(e) (2018). Plasma 25-hydroxyvitamin D and mortality in patients with suspected stable angina pectoris. Journal of Clinical Endocrinology and Metabolism (JCEM). 1161-1170.
  • Vis forfatter(e) (2018). Performance of plasma trigonelline as a marker of coffee consumption in an epidemiologic setting. American Journal of Clinical Nutrition. 941-947.
  • Vis forfatter(e) (2018). Parental smoking and risk of childhood-onset type 1 diabetes. Epidemiology. 848-856.
  • Vis forfatter(e) (2018). No association between circulating concentrations of vitamin D and risk of lung cancer: An analysis in 20 prospective studies in the Lung Cancer Cohort Consortium (LC3). Annals of Oncology. 1468-1475.
  • Vis forfatter(e) (2018). Kynurenic Acid and Gpr35 Regulate Adipose Tissue Energy Homeostasis and Inflammation. Cell Metabolism. 378-392.e5.
  • Vis forfatter(e) (2018). Inflammatory markers, the tryptophan-kynurenine pathway, and Vitamin B status after bariatric surgery. PLOS ONE. 1-14.
  • Vis forfatter(e) (2018). Impaired functional vitamin B6 status is associated with increased risk of lung cancer. International Journal of Cancer. 2425-2434.
  • Vis forfatter(e) (2018). High neopterin and IP-10 levels in cerebrospinal fluid are associated with neurotoxic tryptophan metabolites in acute central nervous system infections. Journal of Neuroinflammation. 14 sider.
  • Vis forfatter(e) (2018). Fibrinogen and Neopterin Is Associated with Future Myocardial Infarction and Total Mortality in Patients with Stable Coronary Artery Disease. Thrombosis and Haemostasis. 778-790.
  • Vis forfatter(e) (2018). Exercise-mediated improvement of depression in patients with gastro-esophageal junction cancer is linked to kynurenine metabolism. Acta Oncologica.
  • Vis forfatter(e) (2018). Dietary intake of cod protein beneficially affects concentrations of urinary markers of kidney function and results in lower urinary loss of amino acids in obese Zucker fa/fa rats. British Journal of Nutrition. 740-750.
  • Vis forfatter(e) (2018). Circulating cotinine concentrations and lung cancer risk in the Lung Cancer Cohort Consortium (LC3). International Journal of Epidemiology. 1760-1771.
  • Vis forfatter(e) (2018). Circulating concentrations of B group vitamins and urothelial cell carcinoma. International Journal of Cancer. 1-9.
  • Vis forfatter(e) (2018). Association of plasma neopterin with risk of an inpatient hospital diagnosis of atrial fibrillation: results from two prospective cohort studies. Journal of Internal Medicine. 578-587.
  • Vis forfatter(e) (2018). A prospective evaluation of serum kynurenine metabolites and risk of pancreatic cancer. PLOS ONE. 1-13.
  • Vis forfatter(e) (2017). Vitamin B-12 status in infancy is positively associated with development and cognitive functioning 5 y later in Nepalese children. American Journal of Clinical Nutrition. 1122-1131.
  • Vis forfatter(e) (2017). The kynurenine:tryptophan ratio as a predictor of incident type 2 diabetes mellitus in individuals with coronary artery disease. Diabetologia. 1712-1721.
  • Vis forfatter(e) (2017). Smoking, plasma cotinine and risk of atrial fibrillation: the Hordaland Health Study. Journal of Internal Medicine. 73-82.
  • Vis forfatter(e) (2017). Results from the European prospective investigation into cancer and nutrition link vitamin B6 catabolism and lung cancer risk. Cancer Research. 302-308.
  • Vis forfatter(e) (2017). Ratios of one-carbon metabolites are functional markers of B-vitamin status in a Norwegian coronary angiography screening cohort. Journal of Nutrition. 1167-1173.
  • Vis forfatter(e) (2017). Plasma immunological markers in pregnancy and cord blood: A possible link between macrophage chemo-attractants and risk of childhood type 1 diabetes. American journal of reproductive immunology. 11 sider.
  • Vis forfatter(e) (2017). Neopterin as an effect modifier of the cardiovascular risk predicted by total homocysteine: A prospective 2-cohort study. Journal of the American Heart Association (JAHA). 1-17.
  • Vis forfatter(e) (2017). Metabolomic evaluation of the consequences of plasma cystathionine elevation in adults with stable angina pectoris. Journal of Nutrition. 1658-1668.
  • Vis forfatter(e) (2017). Kynurenine pathway metabolites in Alzheimer's disease. Journal of Alzheimer's Disease. 495-504.
  • Vis forfatter(e) (2017). Cyst Fluid From Cystic, Malignant Brain Tumors: A Reservoir of Nutrients, Including Growth Factor-Like Nutrients, for Tumor Cells. Neurosurgery. 917-924.
  • Vis forfatter(e) (2017). Comparable performance characteristics of plasma thiamine and erythrocyte thiamine diphosphate in response to thiamine fortification in rural cambodian women. Nutrients. 1-12.
  • Vis forfatter(e) (2017). Circulating concentrations of biomarkers and metabolites related to Vitamin status, one-carbon and the kynurenine pathways in US, Nordic, Asian, and Australian populations. American Journal of Clinical Nutrition. 1314-1326.
  • Vis forfatter(e) (2017). Cardiovascular disease risk associated with serum apolipoprotein B is modified by serum vitamin A. Atherosclerosis. 325-330.
  • Vis forfatter(e) (2017). Associations between intake of fish and n-3 long-chain polyunsaturated fatty acids and plasma metabolites related to the kynurenine pathway in patients with coronary artery disease. European Journal of Nutrition. 261-272.
  • Vis forfatter(e) (2016). Vitamin status among breastfed infants in Bhaktapur, Nepal. Nutrients.
  • Vis forfatter(e) (2016). Vitamin B-6 catabolism and long-term mortality risk in patients with coronary artery disease. American Journal of Clinical Nutrition. 1417-1425.
  • Vis forfatter(e) (2016). Serum immune system biomarkers neopterin and interleukin-10 are strongly related to tryptophan metabolism in healthy young adults. Journal of Nutrition. 1801-1806.
  • Vis forfatter(e) (2016). Serum B6 vitamers (pyridoxal 5′-phosphate, pyridoxal, and 4-pyridoxic acid) and pancreatic cancer risk: two nested case–control studies in Asian populations. Cancer Causes and Control. 1447-1456.
  • Vis forfatter(e) (2016). Plasma Biomarkers of Inflammation, the Kynurenine Pathway, and Risks of All-Cause, Cancer, and Cardiovascular Disease Mortality: The Hordaland Health Study. American Journal of Epidemiology. 249-258.
  • Vis forfatter(e) (2016). Peroxisome Proliferator-Activated Receptor Activation is Associated with Altered Plasma One-Carbon Metabolites and B-Vitamin Status in Rats. Nutrients.
  • Vis forfatter(e) (2016). Maternal plasma total neopterin and kynurenine/tryptophan levels during pregnancy in relation to asthma development in the offspring. Journal of Allergy and Clinical Immunology. 1319-1325.e4.
  • Vis forfatter(e) (2016). Maternal plasma folate impacts differential DNA methylation in an epigenome-wide meta-analysis of newborns. Nature Communications. 8 sider.
  • Vis forfatter(e) (2016). Impact of Pre-Pregnancy BMI on B Vitamin and Inflammatory Status in Early Pregnancy: An Observational Cohort Study. Nutrients. 15 sider.
  • Vis forfatter(e) (2016). DNA methylation score as a biomarker in newborns for sustained maternal smoking during pregnancy. Environmental Health Perspectives. 760-766.
  • Vis forfatter(e) (2016). Cosinor modelling of seasonal variation in 25-hydroxyvitamin D concentrations in cardiovascular patients in Norway. European Journal of Clinical Nutrition. 517-522.
  • Vis forfatter(e) (2016). Combined measurement of 6 fat-soluble vitamins and 26 water-soluble functional vitamin markers and amino Acids in 50 μl of serum or plasma by high-throughput mass spectrometry. Analytical Chemistry. 10427-10436.
  • Vis forfatter(e) (2016). Circulating Vitamin D in relation to cancer incidence and survival of the head and neck and oesophagus in the EPIC cohort. Scientific Reports. 11 sider.
  • Vis forfatter(e) (2016). Cellular immune activity biomarker neopterin is associated hyperlipidemia: results from a large population-based study. Immunity & Ageing. 11 sider.
  • Vis forfatter(e) (2015). Tryptophan catabolism and vitamin B-6 status are affected by gender and lifestyle factors in healthy young adults. Journal of Nutrition. 701-707.
  • Vis forfatter(e) (2015). Pyridoxine supplementation does not alter in vivo kinetics of one-carbon metabolism but modifies patterns of one-carbon and tryptophan metabolites in Vitamin B-6-insufficient oral contraceptive users. American Journal of Clinical Nutrition. 616-625.
  • Vis forfatter(e) (2015). Motor development related to duration of exclusive breastfeeding, B vitamin status and B12 supplementation in infants with a birth weight between 2000-3000 g, results from a randomized intervention trial. BMC Pediatrics. 1-11.
  • Vis forfatter(e) (2015). Metabolite profile analysis reveals association of vitamin B-6 with metabolites related to one-carbon metabolism and tryptophan catabolism but notwith biomarkers of inflammation in oral contraceptive users and reveals the effects of oral contraceptives on these processes. Journal of Nutrition. 87-95.
  • Vis forfatter(e) (2015). Markers of vitamin B6 status and metabolism as predictors of incident cancer: The Hordaland Health Study. International Journal of Cancer. 2932-2939.
  • Vis forfatter(e) (2015). Kynurenines as predictors of acute coronary events in the Hordaland Health Study. International Journal of Cardiology. 18-24.
  • Vis forfatter(e) (2015). Increased tryptophan catabolism is associated with depletion of Tc17/MAIT cells, and lower CD4 cell count in HIV-1 infected patients on cART after two years of follow-up. Journal of Acquired Immune Deficiency Syndromes. 228-235.
  • Vis forfatter(e) (2015). Common variants at putative regulatory sites of the tissue nonspecific alkaline phosphatase gene influence circulating pyridoxal 5'-phosphate concentration in healthy adults. Journal of Nutrition. 1386-1393.
  • Vis forfatter(e) (2015). Circulating concentrations of vitamin B6 and kidney cancer prognosis: A prospective case-cohort study. PLOS ONE.
  • Vis forfatter(e) (2015). Circulating B-vitamins and smoking habits are associated with serum polyunsaturated fatty acids in patients with suspected coronary heart disease: A cross-sectional study. PLOS ONE. 14 sider.
  • Vis forfatter(e) (2015). Circulating 25-hydroxyvitamin D3 and survival after diagnosis with kidney cancer. Cancer Epidemiology, Biomarkers and Prevention. 1277-1281.
  • Vis forfatter(e) (2015). Associations of plasma kynurenines with risk of acute myocardial infarction in patients with stable angina pectoris. Arteriosclerosis, Thrombosis and Vascular Biology. 455-462.
  • Vis forfatter(e) (2015). A prospective study of the immune system activation biomarker neopterin and colorectal cancer risk. Journal of the National Cancer Institute. 11 sider.
  • Vis forfatter(e) (2014). Vitamins B2 and B6 as determinants of kynurenines and related markers of interferon-gamma-mediated immune activation in the community-based Hordaland health study. British Journal of Nutrition. 1065-1072.
  • Vis forfatter(e) (2014). Smoking and body fat mass in relation to bone mineral density and hip fracture: The Hordaland Health Study. PLOS ONE. 9 sider.
  • Vis forfatter(e) (2014). Most blood biomarkers related to vitamin status, one-carbon metabolism, and the kynurenine pathway show adequate preanalytical stability and within-person reproducibility to allow assessment of exposure or nutritional status in healthy women and cardiovascular patients. Journal of Nutrition. 784-790.
  • Vis forfatter(e) (2014). Maternal smoking and DNA methylation in newborns: In utero effect or epigenetic inheritance? Cancer Epidemiology, Biomarkers and Prevention. 1007-1017.
  • Vis forfatter(e) (2014). Interferon-γ-induced inflammatory markers and the risk of cancer: The Hordaland Health Study. Cancer. 3370-3377.
  • Vis forfatter(e) (2014). Interferon gamma (IFN-γ)-mediated inflammation and the kynurenine pathway in relation to risk of hip fractures: The Hordaland Health Study. Osteoporosis International. 2067-2075.
  • Vis forfatter(e) (2014). Interferon (IFN)-γ-mediated inflammation and the kynurenine pathway in relation to bone mineral density: The Hordaland Health Study. Clinical and Experimental Immunology. 452-460.
  • Vis forfatter(e) (2014). Evidence for increased catabolism of vitamin B-6 during systemic inflammation. American Journal of Clinical Nutrition. 250-255.
  • Vis forfatter(e) (2014). Circulating biomarkers of tryptophan and the kynurenine pathway and lung cancer risk. Cancer Epidemiology, Biomarkers and Prevention. 461-468.
  • Vis forfatter(e) (2014). Circulating biomarkers of one-carbon metabolism in relation to renal cell carcinoma incidence and survival. Journal of the National Cancer Institute.
  • Vis forfatter(e) (2014). Circulating 25-hydroxyvitamin D3 in relation to renal cell carcinoma incidence and survival in the EPIC cohort. American Journal of Epidemiology. 810-820.
  • Vis forfatter(e) (2014). A prospective study of one-carbon metabolism biomarkers and cancer of the head and neck and esophagus. International Journal of Cancer. 915-927.
  • Vis forfatter(e) (2013). Substrate product ratios of enzymes in the kynurenine pathway measured in plasma as indicators of functional vitamin B-6 status. American Journal of Clinical Nutrition. 934-940.
  • Vis forfatter(e) (2013). North-south gradients in plasma concentrations of B-vitamins and other components of one-carbon metabolism in Western Europe: results from the European Prospective Investigation into Cancer and Nutrition (EPIC) Study. British Journal of Nutrition. 363-374.
  • Vis forfatter(e) (2013). Neopterin and kynurenine-tryptophan ratio as predictors of coronary events in older adults, the Hordaland Health Study. International Journal of Cardiology. 1435-1440.
  • Vis forfatter(e) (2013). Metabolite profile analysis reveals functional effects of 28-day vitamin B-6 restriction on one-carbon metabolism and tryptophan catabolic pathways in healthy men and women. Journal of Nutrition. 1719-1727.
  • Vis forfatter(e) (2013). Maternal B vitamin status in pregnancy week 18 according to reported use of folic acid supplements. Molecular Nutrition & Food Research. 645-652.
  • Vis forfatter(e) (2013). Intraindividual variation in one-carbon metabolism plasma biomarkers. Cancer Epidemiology, Biomarkers and Prevention. 1894-1899.
  • Vis forfatter(e) (2013). Evaluating iron status and the risk of anemia in young infants using erythrocyte parameters. Pediatric Research. 214-220.
  • Vis forfatter(e) (2013). Biochemical signs of impaired cobalamin function do not affect hematological parameters in young infants: results from a double-blind randomized controlled trial. Pediatric Research. 327-332.
  • Vis forfatter(e) (2013). A structural equation modelling approach to explore the role of B vitamins and immune markers in lung cancer risk. European Journal of Epidemiology (EJE). 677-688.
  • Vis forfatter(e) (2013). A community-based study on determinants of circulating markers of cellular immune activation and kynurenines: the Hordaland Health Study. Clinical and Experimental Immunology. 121-130.
  • Vis forfatter(e) (2012). Vitamin B6 status and interferon-γ-mediated immune activation in primary hyperparathyroidism. Journal of Internal Medicine. 583-591.
  • Vis forfatter(e) (2012). Self-reported smoking status and plasma cotinine concentrations among pregnant women in the Norwegian Mother and Child Cohort Study. Pediatric Research. 101-107.
  • Vis forfatter(e) (2012). Prognostic impact of vitamin B6 metabolism in lung cancer. Cell reports. 257-269.
  • Vis forfatter(e) (2012). Plasma cotinine levels and pancreatic cancer in the EPIC cohort study. International Journal of Cancer. 997-1002.
  • Vis forfatter(e) (2012). Plasma B vitamins and LINE-1 DNA methylation in leukocytes of patients with a history of colorectal adenomas. The Journal of Inherited Metabolic Disease (JIMD).
  • Vis forfatter(e) (2012). Maternal tryptophan and kynurenine pathway metabolites and risk of preeclampsia. Obstetrics and Gynecology. 1243-1250.
  • Vis forfatter(e) (2012). Kinetic modeling of storage ffects on biomarkers related to B vitamin status and one-carbon metabolism. Clinical Chemistry. 402-410.
  • Vis forfatter(e) (2012). Association of plasma B-6 vitamers with systemic markers of inflammation before and after pyridoxine treatment in patients with stable angina pectoris. American Journal of Clinical Nutrition. 1072-1078.
  • Vis forfatter(e) (2012). 450K epigenome-wide scan identifies differential DNA methylation in newborns related to maternal smoking during pregnancy. Environmental Health Perspectives. 1425-1431.
  • Vis forfatter(e) (2011). Systemic Markers of Interferon-gamma-Mediated Immune Activation and Long-Term Prognosis in Patients With Stable Coronary Artery Disease. Arteriosclerosis, Thrombosis and Vascular Biology. 698-704.
  • Vis forfatter(e) (2011). Low plasma vitamin B-6 status affects metabolism through the kynurenine pathway in cardiovascular patients with systemic inflammation. Journal of Nutrition. 611-617.
  • Vis forfatter(e) (2011). Genetic polymorphisms in 15q25 and 19q13 Loci, cotinine levels, and risk of lung cancer in EPIC. Cancer Epidemiology, Biomarkers and Prevention. 2250-2261.
  • Vis forfatter(e) (2011). Determination of vitamins A, D and E in a small volume of human plasma by a high-throughput method based on liquid chromatography/tandem mass spectrometry. Rapid Communications in Mass Spectrometry. 1942-1948.
  • Vis forfatter(e) (2011). Biomarkers related to one-carbon metabolism as potential risk factors for distal colorectal adenomas. Cancer Epidemiology, Biomarkers and Prevention. 1726-1735.
  • Vis forfatter(e) (2011). A U-shaped relationship between plasma folate and pancreatic cancer risk in the European Prospective Investigation into Cancer and Nutrition. European Journal of Cancer. 1808-1816.
  • Vis forfatter(e) (2010). Vitamins B2 and B6 and Genetic Polymorphisms Related to One-Carbon Metabolism as Risk Factors for Gastric Adenocarcinoma in the European Prospective Investigation into Cancer and Nutrition. Cancer Epidemiology, Biomarkers and Prevention. 28-38.
  • Vis forfatter(e) (2010). Systemic Markers of Interferon-–Mediated Immune Activation and Long-Term Prognosis in Patients With Stable Coronary Artery Disease. Arteriosclerosis, Thrombosis and Vascular Biology.
  • Vis forfatter(e) (2010). Serum B vitamin levels and risk of lung cancer. Journal of the American Medical Association (JAMA). 2377-2385.
  • Vis forfatter(e) (2010). Plasma vitamins B2, B6, and B12, and related genetic variants as predictors of colorectal cancer risk. Cancer Epidemiology, Biomarkers and Prevention. 2549-2561.
  • Vis forfatter(e) (2010). Long- and short-term effects of tobacco smoking on circulating concentrations of B vitamins. Clinical Chemistry. 755-763.
  • Vis forfatter(e) (2010). Combined analyses and extended follow-up of two randomized controlled homocysteine-lowering B-vitamin trials. Journal of Internal Medicine. 367-382.
  • Vis forfatter(e) (2009). Quantitative profiling of biomarkers related to B-vitamin status, tryptophan metabolism and inflammation in human plasma by liquid chromatography/tandem mass spectrometry. Rapid Communications in Mass Spectrometry. 1371-1379.
  • Vis forfatter(e) (2009). One-carbon metabolism and prostate cancer risk: prospective investigation of seven circulating B vitamins and metabolites. Cancer Epidemiology, Biomarkers and Prevention. 1538-1543.
  • Vis forfatter(e) (2009). Mid-pregnancy cotinine and risks of orofacial clefts and neural tube defects. Journal of Pediatrics. 17-19.
  • Vis forfatter(e) (2008). Vitamins B-2, B-6, and B-12 and risk of new colorectal adenomas in a randomized trial of aspirin use and folic acid supplementation. Cancer Epidemiology, Biomarkers and Prevention. 2136-2145.
  • Vis forfatter(e) (2007). The methylenetetrahydrofolate reductase 677C -> T polymorphism as a modulator of a B vitamin network with major effects on homocysteine metabolism. American Journal of Human Genetics. 846-855.
  • Vis forfatter(e) (2007). Quantitative profiling of folate and one-carbon metabolism in large-scale epidemiological studies by mass spectrometry. Clinical Chemistry and Laboratory Medicine. 1737-1745.
  • Vis forfatter(e) (2007). Plasma vitamin B-6 forms and their relation to transsulfuration metabolites in a large, population-based study. American Journal of Clinical Nutrition. 131-138.
  • Vis forfatter(e) (2005). Multianalyte quantification of vitamin B-6 and B-2 species in the nanomolar range in human plasma by liquid chromatography - Tandem mass spectrometry. Clinical Chemistry. 1206-1216.
  • Vis forfatter(e) (2005). Betaine and folate status as cooperative determinants of plasma homocysteine in humans. Arteriosclerosis, Thrombosis and Vascular Biology. 379-385.
Vitenskapelig foredrag
  • Vis forfatter(e) (2018). Using metabolic profiling to explore molecular effects of replacing saturated fat with polyunsaturated fat- a randomized controlled dietary intervention study.
  • Vis forfatter(e) (2007). Total homocysteine, systemic markers of inflammation and long-term mortality in patients with stable angina.
  • Vis forfatter(e) (2007). A high-throughput method for quantification of riboflavin, vitamin B6 forms, related metabolites and inflammation markers in human plasma by HPLC-MS/MS.
Short communication
  • Vis forfatter(e) (2018). Is high vitamin B12 status a cause of lung cancer? International Journal of Cancer. 1-6.
Brev til redaktøren
  • Vis forfatter(e) (2017). Midpregnancy and cord blood immunologic biomarkers, HLA genotype, and pediatric celiac disease. Journal of Allergy and Clinical Immunology. 1696-1698.
Sammendrag/abstract
  • Vis forfatter(e) (2008). Homocysteine and markers of immune activation as predictors of mortality in stable angina patients. Circulation. E351-E351.
  • Vis forfatter(e) (2008). B6 vitamers and long term mortality in patients with stable angina. Circulation. E347-E347.
Poster
  • Vis forfatter(e) (2018). Using metabolic profiling to explore molecular effects of replacing saturated fat with polyunsaturated fat- a randomized controlled dietary intervention study.
  • Vis forfatter(e) (2017). Vitamin B6-related biomarkers and long-term stroke risk: the Hordaland Health Study.
  • Vis forfatter(e) (2014). Markers of vitamin B6 status and metabolism as predictors of incident cancer: A community-based cohort study.
  • Vis forfatter(e) (2014). Associations of plasma kynurenines with risk of acute myocardial infarction in patients with stable angina pectoris.
  • Vis forfatter(e) (2010). Inflammation suggest plasma concentration of 3-hydroxykynurenine as a metabolic marker of vitamin B6 status.
  • Vis forfatter(e) (2007). B6 vitamers as predictors of mortality in patients with stable chest pain.
Vitenskapelig oversiktsartikkel/review
  • Vis forfatter(e) (2017). Inflammation, vitamin B6 and related pathways. Molecular Aspects of Medicine. 10-27.
  • Vis forfatter(e) (2015). Direct and functional biomarkers of vitamin B6 status. Annual review of nutrition. 33-70.
  • Vis forfatter(e) (2007). Review: Quantitative profiling of folate and one-carbon metabolism in large-scale epidemiological studies by mass spectrometry. Clinical Chemistry and Laboratory Medicine. 1737-1745.

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