Thomas Olsen

Image of Thomas Olsen
Norwegian version of this page
Phone +47 22851524
Username
Visiting address Sognsvannsveien 9 Domus Medica 0372 Oslo
Postal address Postboks 1046, Blindern 0317 Oslo

Academic interests

Sulfur amino acids, methionine and cysteine restriction, B-vitamins, vitamin A, epidemiology

Teaching

MED1100
MED2200
ERN3120
ERN2300
ERN3400
ERN4300

Background

MSc in human nutrition from the University of Bergen. Relevant work experience includes positions as a nutritional consultant, college level lecturer and guest researcher before PhD period and postdoctoral fellowship.

Partners

University of Oxford, UK
Charles University and General University Hospital, Czech Republic
Maastricht University, Netherlands

Tags: B-vitamins, homocysteine, sulphur amino acids, epidemiology, vitamin A

Publications

  • Parlesak, Alexandr; Masino, Talia Theresa; Reis, Kia Daniela; Pettersen, Caroline Filskov; Christensen, Jacob Juel & Olsen, Thomas [Show all 7 contributors for this article] (2024). Preparatory work for the update of the tolerable upper intake levels for iron. EFSA Supporting publication. ISSN 2397-8325. doi: 10.2903/sp.efsa.2024.EN-8661.
  • Bråtveit, Marianne; Parys, Anthea van; Olsen, Thomas; Strand, Elin; Marienborg, Ingvild & Laupsa-Borge, Johnny [Show all 14 contributors for this article] (2024). Association between dietary macronutrient composition and plasma one-carbon metabolites and B-vitamin cofactors in patients with stable angina pectoris. British Journal of Nutrition. ISSN 0007-1145. doi: 10.1017/S0007114524000473.
  • Olsen, Thomas; Christensen, Jacob Juel; Arnesen, Erik Kristoffer; Lysne, Vegard & Blomhoff, Rune (2024). Preparatory work for the update of the tolerable upper intake levels for vitamin A. EFSA Supporting publication. ISSN 2397-8325. doi: 10.2903/sp.efsa.2024.EN-8651.
  • Olsen, Thomas; Stolt, Emma Theresia Kjelland; Øvrebø, Bente; Elshorbagy, Amany; Tore, Elena C. & Lee-Ødegård, Sindre [Show all 20 contributors for this article] (2024). Dietary sulfur amino acid restriction in humans with overweight and obesity: a translational randomized controlled trial. Journal of Translational Medicine. ISSN 1479-5876. 22(1). doi: 10.1186/s12967-023-04833-w.
  • Olsen, Thomas & Lerner, Ulf H. (2023). Vitamin A – a scoping review for Nordic nutrition Recommendations 2023. Food & Nutrition Research (FNR). ISSN 1654-6628. 67. doi: 10.29219/fnr.v67.10229. Full text in Research Archive
  • Vinknes, Kathrine Jørgensen; Olsen, Thomas; Zare, Hasse Khiabani; Bastani, Nasser Ezzatkhah; Stolt, Emma Theresia Kjelland & Dahl, Anja Falkenhaug [Show all 11 contributors for this article] (2023). Cysteine-lowering treatment with mesna against obesity: Proof of concept and results from a human phase I, dose-finding study. Diabetes, obesity and metabolism. ISSN 1462-8902. 25(11), p. 3161–3170. doi: 10.1111/dom.15210. Full text in Research Archive
  • Moore, Timothy M.; Lee-Ødegård, Sindre; Olsen, Thomas; Morselli, Marco; Strumwasser, Alexander R. & Lin, Amanda J. [Show all 40 contributors for this article] (2023). Conserved multi-tissue transcriptomic adaptations to exercise training in humans and mice. Cell reports. ISSN 2211-1247. 42(5). doi: 10.1016/j.celrep.2023.112499. Full text in Research Archive
  • Åkesson, Agneta; Söderlund, Fredrik; Bärebring, Linnea; Christensen, Jacob Juel; Olsen, Thomas & Witthöft, Cornelia M (2023). Preparatory work for the update of the tolerable upper intake levels for folic acid/folate. EFSA Supporting publication. ISSN 2397-8325. doi: 10.2903/sp.efsa.2023.EN-7940.
  • Tore, Elena C.; Eussen, Simone; Bastani, Nasser Ezzatkhah; Dagnelie, Pieter; Elshorbagy, Amany K & Grootswagers, Pol [Show all 14 contributors for this article] (2023). The Associations of Habitual Intake of Sulfur Amino Acids, Proteins and Diet Quality with Plasma Sulfur Amino Acid Concentrations: The Maastricht Study. Journal of Nutrition. ISSN 0022-3166. 153(7), p. 2027–2040. doi: 10.1016/j.tjnut.2023.05.008.
  • Lamberg-Allardt, Christel; Adebayo, Folasade; Peltonen, Henna; Christensen, Jacob Juel & Olsen, Thomas (2023). Preparatory work for the update of the tolerable upper intake levels for vitamin D. EFSA Supporting publication. ISSN 2397-8325. doi: 10.2903/sp.efsa.2023.EN-7941.
  • Henriksen, Hege Berg; Henriksen, Christine; Sequeira de Sousa, Ana Rita; Alavi, Dena Helene; Augestad, Elin Maria Sandstad & Rising, Russell [Show all 12 contributors for this article] (2023). Validity and reproducibility of a whole-room indirect calorimeter for the estimation of VO<inf>2</inf>, VCO<inf>2</inf>, and resting metabolic rate. Physiological Reports. ISSN 2051-817X. 11(7). doi: 10.14814/phy2.15658. Full text in Research Archive
  • Dhar, Indu; Lysne, Vegard; Ulvik, Arve; Svingen, Gard Frodahl Tveitevåg; Pedersen, Eva Kristine Ringdal & Bjørnestad, Espen Øglænd [Show all 15 contributors for this article] (2023). Plasma methylmalonic acid predicts risk of acute myocardial infarction and mortality in patients with coronary heart disease: A prospective 2-cohort study. Journal of Internal Medicine. ISSN 0954-6820. 293(4), p. 508–519. doi: 10.1111/joim.13610. Full text in Research Archive
  • Elshorbagy, Amany; Bastani, Nasser Ezzatkhah; Lee-Ødegård, Sindre; Øvrebø, Bente; Haj Yasein, Nadia & Svendsen, Karianne [Show all 10 contributors for this article] (2022). The association of fasting plasma thiol fractions with body fat compartments, biomarker profile, and adipose tissue gene expression. Amino Acids. ISSN 0939-4451. doi: 10.1007/s00726-022-03229-2. Full text in Research Archive
  • Nichenametla, Sailendra N.; Mattocks, Dwight A.L.; Cooke, Diana; Midya, Vishal; Malloy, Virginia L. & Mansilla, Wilfredo [Show all 18 contributors for this article] (2022). Cysteine restriction-specific effects of sulfur amino acid restriction on lipid metabolism. Aging Cell. ISSN 1474-9718. 21(12). doi: 10.1111/acel.13739. Full text in Research Archive
  • Tore, Elena C.; Elshorbagy, Amany K.; Bakers, Frans CH; Brouwers, Marin C.G.J.; Dagnelie, Pieter & Eussen, Simone J. [Show all 17 contributors for this article] (2022). Associations between plasma sulfur amino acids and specific fat depots in two independent cohorts: CODAM and The Maastricht Study. European Journal of Nutrition. ISSN 1436-6207. doi: 10.1007/s00394-022-03041-4. Full text in Research Archive
  • Parys, Anthea van; Sæle, Jostein; Puaschitz, Nathalie Genevieve; Anfinsen, Åslaug Matre; Karlsson, Therese & Olsen, Thomas [Show all 12 contributors for this article] (2022). The association between dairy intake and risk of cardiovascular disease and mortality in patients with stable angina pectoris. European Journal of Preventive Cardiology (EJPC). ISSN 2047-4873. 30(3), p. 219–229. doi: 10.1093/eurjpc/zwac217. Full text in Research Archive
  • Svendsen, Karianne; Olsen, Thomas; Vinknes, Kathrine Jørgensen; Mundal, Liv; Holven, Kirsten Bjørklund & Bogsrud, Martin Prøven [Show all 9 contributors for this article] (2022). Risk of stroke in genetically verified familial hypercholesterolemia: A prospective matched cohort study. Atherosclerosis. ISSN 0021-9150. 358, p. 34–40. doi: 10.1016/j.atherosclerosis.2022.08.015. Full text in Research Archive
  • Dörner, Rebecca; Hägele, Franziska A.; Koop, Jana; Rising, Russell; Foerster, Thomas & Olsen, Thomas [Show all 9 contributors for this article] (2022). Validation of energy expenditure and macronutrient oxidation measured by two new whole-room indirect calorimeters. Obesity. ISSN 1930-7381. 30(9), p. 1796–1905. doi: 10.1002/oby.23527. Full text in Research Archive
  • Doncheva, Atanaska Ivanova; Romero, Silvana Angelica Troncoso; Ramirez-Garrastacho, Manuel; Lee-Ødegård, Sindre; Kolnes, Kristoffer Jensen & Tangen, Daniel S. [Show all 11 contributors for this article] (2022). Extracellular vesicles and microRNAs are altered in response to exercise, insulin sensitivity and overweight. Acta Physiologica. ISSN 1748-1708. 236(4). doi: 10.1111/apha.13862. Full text in Research Archive
  • Hustad, Kristin Solheim; Ottestad, Inger ; Olsen, Thomas; Sæther, Thomas; Ulven, Stine Marie & Holven, Kirsten Bjørklund (2022). Salmon fish protein supplement increases serum vitamin B12 and selenium concentrations: secondary analysis of a randomised controlled trial. European Journal of Nutrition. ISSN 1436-6207. 61(6), p. 3085–3093. doi: 10.1007/s00394-022-02857-4. Full text in Research Archive
  • Lee-Ødegård, Sindre; Olsen, Thomas; Norheim, Frode Amador; Drevon, Christian A & Birkeland, Kåre Inge (2022). Potential Mechanisms for How Long-Term Physical Activity May Reduce Insulin Resistance. Metabolites. ISSN 2218-1989. 12(3)(208). doi: 10.3390/metabo12030208. Full text in Research Archive
  • van Parys, Anthea; Karlsson, Therese; Vinknes, Kathrine; Olsen, Thomas; Øyen, Jannike & Dierkes, Jutta [Show all 8 contributors for this article] (2021). Food Sources Contributing to Intake of Choline and Individual Choline Forms in a Norwegian Cohort of Patients With Stable Angina Pectoris. Frontiers in Nutrition. ISSN 2296-861X. 8, p. 1–8. doi: 10.3389/fnut.2021.676026. Full text in Research Archive
  • Stolt, Emma Theresia Kjelland; Olsen, Thomas; Elshorbagy, Amany; Kozich, Viktor; Van Greevenbroek, Marleen M.J. & Øvrebø, Bente [Show all 10 contributors for this article] (2021). Sulfur amino acid restriction, energy metabolism and obesity: a study protocol of an 8-week randomized controlled dietary intervention with whole foods and amino acid supplements. Journal of Translational Medicine. ISSN 1479-5876. 19. doi: 10.1186/s12967-021-02824-3. Full text in Research Archive
  • Dhar, Indu; Svingen, Gard Frodahl Tveitevåg; Olsen, Thomas; Lysne, Vegard; Bjørnestad, Espen Øglænd & Ueland, Per Magne [Show all 7 contributors for this article] (2021). β-blocker use and risk of all-cause mortality in patients with coronary heart disease: effect modification by serum vitamin A. European Journal of Preventive Cardiology (EJPC). ISSN 2047-4873. 28(17), p. 1897–1902. doi: 10.1093/eurjpc/zwaa158. Full text in Research Archive
  • Matre, Åslaug Oddsdatter; Van Parys, Anthea; Olsen, Thomas; Haugsgjerd, Teresa Risan; Baravelli, Carl Michael & Nygård, Ottar [Show all 8 contributors for this article] (2021). The Association of Meat Intake With All-Cause Mortality and Acute Myocardial Infarction Is Age-Dependent in Patients With Stable Angina Pectoris. Frontiers in Nutrition. ISSN 2296-861X. 8, p. 1–10. doi: 10.3389/fnut.2021.642612. Full text in Research Archive
  • Olsen, Thomas; Øvrebø, Bente; Turner, Cheryl; Bastani, Nasser Ezzatkhah; Refsum, Helga & Vinknes, Kathrine (2021). Effects of short-term methionine and cysteine restriction and enrichment with polyunsaturated fatty acids on oral glucose tolerance, plasma amino acids, fatty acids, lactate and pyruvate: results from a pilot study. BMC Research Notes. ISSN 1756-0500. 14(43). doi: 10.1186/s13104-021-05463-5. Full text in Research Archive
  • Dhar, Indu; Siddique, Sumia; Pedersen, Eva Kristine Ringdal; Svingen, Gard Frodahl Tveitevåg; Lysne, Vegard & Olsen, Thomas [Show all 12 contributors for this article] (2020). Lipid parameters and vitamin A modify cardiovascular risk prediction by plasma neopterin. Heart. ISSN 1355-6037. 106, p. 1073–1079. doi: 10.1136/heartjnl-2019-316165. Full text in Research Archive
  • Olsen, Thomas; Sollie, Ove; Nurk, Eha; Turner, Cheryl; Jernerén, Fredrik & Ivy, John L. [Show all 10 contributors for this article] (2020). Exhaustive Exercise and Post-exercise Protein Plus Carbohydrate Supplementation Affect Plasma and Urine Concentrations of Sulfur Amino Acids, the Ratio of Methionine to Homocysteine and Glutathione in Elite Male Cyclists. Frontiers in Physiology. ISSN 1664-042X. doi: 10.3389/fphys.2020.609335. Full text in Research Archive
  • Lee-Ødegård, Sindre; Gulseth, Hanne Løvdal; Langleite, Torgrim Mikal; Norheim, Frode; Olsen, Thomas & Refsum, Helga [Show all 9 contributors for this article] (2020). Branched-chain amino acid metabolism, insulin sensitivity and liver fat response to exercise training in sedentary dysglycaemic and normoglycaemic men. Diabetologia. ISSN 0012-186X. 64, p. 410–423. doi: 10.1007/s00125-020-05296-0. Full text in Research Archive
  • Olsen, Thomas; Turner, Cheryl; Øvrebø, Bente; Bastani, Nasser Ezzatkhah; Refsum, Helga & Vinknes, Kathrine (2020). Postprandial effects of a meal low in sulfur amino acids and high in polyunsaturated fatty acids compared to a meal high in sulfur amino acids and saturated fatty acids on stearoyl CoA-desaturase indices and plasma sulfur amino acids: a pilot study. BMC Research Notes. ISSN 1756-0500. 13. doi: 10.1186/s13104-020-05222-y. Full text in Research Archive
  • Svendsen, Karianne; Olsen, Thomas; Nordstrand Rusvik, Tove Caroline; Ulven, Stine Marie; Holven, Kirsten Bjørklund & Retterstøl, Kjetil [Show all 7 contributors for this article] (2020). Fatty acid profile and estimated desaturase activities in whole blood are associated with metabolic health. Lipids in Health and Disease. ISSN 1476-511X. 19. doi: 10.1186/s12944-020-01282-y. Full text in Research Archive
  • Olsen, Thomas; Øvrebø, Bente; Haj Yasein, Nadia; Lee-Ødegård, Sindre; Svendsen, Karianne & Hjorth, Marit [Show all 11 contributors for this article] (2020). Effects of dietary methionine and cysteine restriction on plasma biomarkers, serum fibroblast growth factor 21, and adipose tissue gene expression in women with overweight or obesity: a double-blind randomized controlled pilot study. Journal of Translational Medicine. ISSN 1479-5876. 18(122). doi: 10.1186/s12967-020-02288-x. Full text in Research Archive
  • Olsen, Thomas & Blomhoff, Rune (2019). Retinol, Retinoic Acid, and Retinol-Binding Protein 4 are Differentially Associated with Cardiovascular Disease, Type 2 Diabetes, and Obesity: An Overview of Human Studies . Advances in Nutrition. ISSN 2161-8313. doi: 10.1093/advances/nmz131. Full text in Research Archive
  • Olsen, Thomas; Vinknes, Kathrine; Blomhoff, Rune; Lysne, Vegard; Midttun, Øivind & Dhar, Indu [Show all 12 contributors for this article] (2019). Creatinine, total cysteine and uric acid are associated with serum retinol in patients with cardiovascular disease. European Journal of Nutrition. ISSN 1436-6207. doi: 10.1007/s00394-019-02086-2. Full text in Research Archive
  • Koivisto, Anu; Olsen, Thomas; Paur, Ingvild; Paulsen, Gøran; Bastani, Nasser Ezzatkhah & Garthe, Ina [Show all 10 contributors for this article] (2019). Effects of antioxidant-rich foods on altitude-induced oxidative stress and inflammation in elite endurance athletes: A randomized controlled trial. PLOS ONE. ISSN 1932-6203. 14(6). doi: 10.1371/journal.pone.0217895. Full text in Research Archive
  • Lee-Ødegård, Sindre; Olsen, Thomas; Vinknes, Kathrine; Refsum, Helga; Gulseth, Hanne Løvdal & Birkeland, Kåre I. [Show all 7 contributors for this article] (2019). Plasma Sulphur-Containing Amino Acids, Physical Exercise and Insulin Sensitivity in Overweight Dysglycemic and Normal Weight Normoglycemic Men. Nutrients. ISSN 2072-6643. 11(1). doi: 10.3390/nu11010010. Full text in Research Archive
  • Olsen, Thomas; Øvrebø, Bente; Turner, Cheryl; Bastani, Nasser Ezzatkhah; Refsum, Helga & Vinknes, Kathrine (2018). Combining Dietary Sulfur Amino Acid Restriction with Polyunsaturated Fatty Acid Intake in Humans: A Randomized Controlled Pilot Trial. Nutrients. ISSN 2072-6643. 10(12), p. 1–15. doi: 10.3390/nu10121822. Full text in Research Archive
  • Olsen, Thomas; Vinknes, Kathrine; Svingen, Gard Frodahl Tveitevåg; Pedersen, Eva Ringdal; Dhar, Indu & Tell, Grethe S. [Show all 11 contributors for this article] (2018). The risk association of plasma total homocysteine with acute myocardial infarction is modified by serum vitamin A. European Journal of Preventive Cardiology (EJPC). ISSN 2047-4873. 25(15), p. 1612–1620. doi: 10.1177/2047487318788587. Full text in Research Archive
  • Olsen, Thomas; Vinknes, Kathrine; Svingen, Gard Frodahl Tveitevåg; Pedersen, Eva Ringdal; Tell, Grethe S. & Blomhoff, Rune [Show all 11 contributors for this article] (2017). Cardiovascular disease risk associated with serum apolipoprotein B is modified by serum vitamin A. Atherosclerosis. ISSN 0021-9150. p. 325–330. doi: 10.1016/j.atherosclerosis.2017.07.020.
  • Strand, Elin; Pedersen, Eva Ringdal; Svingen, Gard Frodahl Tveitevåg; Olsen, Thomas; Bjørndal, Bodil & Karlsson, Therese [Show all 13 contributors for this article] (2017). Serum acylcarnitines and risk of cardiovascular death and acute myocardial infarction in patients with stable angina pectoris. Journal of the American Heart Association (JAHA). ISSN 2047-9980. 6:e003620(2), p. 1–28. doi: 10.1161/JAHA.116.003620. Full text in Research Archive
  • Mathisen, Therese Fostervold & Olsen, Thomas (2016). Når kroppsfokus blir patologisk: Sosiale medier, fitness og spiseforstyrret atferd. Norsk tidsskrift for ernæring (NTFE). ISSN 1503-5034. p. 6–11.
  • Lysne, Vegard; Strand, Elin; Svingen, Gard Frodahl Tveitevåg; Bjørndal, Bodil; Pedersen, Eva Ringdal & Midttun, Øivind [Show all 10 contributors for this article] (2016). Peroxisome Proliferator-Activated Receptor Activation is Associated with Altered Plasma One-Carbon Metabolites and B-Vitamin Status in Rats. Nutrients. ISSN 2072-6643. 8(1). doi: 10.3390/nu8010026. Full text in Research Archive

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Published June 3, 2016 8:38 AM - Last modified Sep. 25, 2022 1:14 AM