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  1. Article

    Open Access

    Dietary sulfur amino acid restriction in humans with overweight and obesity: a translational randomized controlled trial

    Dietary sulfur amino acid restriction (SAAR) improves metabolic health in animals. In this study, we investigated the effect of dietary SAAR on body weight, body composition, resting metabolic rate, gene expre...

    Thomas Olsen, Emma Stolt, Bente Øvrebø in Journal of Translational Medicine (2024)

  2. Article

    Open Access

    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

    Dietary sulfur amino acid (SAA) restriction is an established animal model for increasing lifespan and improving metabolic health. Data from human studies are limited. In the study outlined in this protocol, w...

    Emma Stolt, Thomas Olsen, Amany Elshorbagy in Journal of Translational Medicine (2021)

  3. Article

    Open Access

    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

    In this 7-day pilot study we randomized healthy, normal-weight men and women to either a dietary intervention with methionine and cysteine restriction enriched in PUFA (Met/Cyslow + PUFA, n = 7) or with high cont...

    Thomas Olsen, Bente Øvrebø, Cheryl Turner, Nasser E. Bastani in BMC Research Notes (2021)

  4. Article

    Open Access

    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

    The sulfur amino acid (SAA) cysteine is positively related, whereas polyunsaturated fatty acids (PUFAs) are inversely related to activity of the lipogenic enzyme stearoyl-CoA desaturase (SCD). High SCD activit...

    Thomas Olsen, Cheryl Turner, Bente Øvrebø, Nasser E. Bastani in BMC Research Notes (2020)

  5. Article

    Open Access

    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

    Dietary restriction of methionine and cysteine is a well-described model that improves metabolic health in rodents. To investigate the translational potential in humans, we evaluated the effects of dietary met...

    Thomas Olsen, Bente Øvrebø, Nadia Haj-Yasein in Journal of Translational Medicine (2020)