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  1. Article

    Open Access

    Serum concentrations of amino acids and tryptophan metabolites are affected by consumption of a light breakfast: a clinical intervention study in adults with overweight or obesity

    Epidemiological studies often investigate amino acids and their metabolites as biomarkers, but do not always consistently use fasting or non-fasting blood samples, or may lack information on the prandial statu...

    Ingrid V. Hagen, Anita Helland, Marianne Bratlie, Øivind Midttun in BMC Nutrition (2023)

  2. Article

    Open Access

    Smoking in pregnancy, cord blood cotinine and risk of celiac disease diagnosis in offspring

    Ecological observations suggest an inverse relationship between smoking in pregnancy and celiac disease (CD) in offspring. While individual-level analyses have been inconsistent, they have mostly lacked statis...

    Karl Mårild, German Tapia, Øivind Midttun in European Journal of Epidemiology (2019)

  3. No Access

    Article

    Serum B6 vitamers (pyridoxal 5′-phosphate, pyridoxal, and 4-pyridoxic acid) and pancreatic cancer risk: two nested case–control studies in Asian populations

    Vitamin B6 is an important enzymatic cofactor in pathways relevant for the development of pancreatic cancer. In order to evaluate vitamin B6 as a preventive factor for pancreatic cancer, a biomarker approach is n...

    Joyce Y. Huang, Lesley M. Butler, Øivind Midttun, Woon-Puay Koh in Cancer Causes & Control (2016)