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<p>Overweight and obesity are linked to mitochondrial alterations, impaired glucose tolerance and a high risk of type 2 diabetes. Time-restricted eating (TRE) may aid in facilitating weight loss to prevent diabetes. Here, we investigated if TRE in individuals with overweight and prediabetes or obesity affects mitochondrial bioenergetics of peripheral blood mononuclear cells (PBMCs) and platelets using the Seahorse extracellular flux technology. In a 3-month randomized controlled trial, PBMCs/platelets were analyzed from 52 participants before and after a TRE intervention with a 10-h eating window or habitual living. PBMC and platelet respiratory function was evaluated through sequential addition of substrates, uncouplers, and inhibitors in living cells. After 3 months, there were no statistically significant differences in mitochondrial respiration within or between the TRE and control groups. Association analyses between PBMC/platelet respiration and clinical parameters including body mass index and fat mass showed no significant effects. In conclusion, 3 months of 10-h TRE does not alter the mitochondrial bioenergetics of PBMCs and platelets in individuals with high risk of type 2 diabetes.</p>

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Time-restricted eating in people at high diabetes risk does not affect mitochondrial bioenergetics in peripheral blood mononuclear cells and platelets

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年3月24日

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  • Joana Mendes Lopes de Melo,
  • Martin Bæk Blond,
  • Verena Hirschberg Jensen,
  • Hanne Pedersen,
  • Kim Katrine Bjerring Clemmensen,
  • Marie Møller Jensen,
  • Kristine Færch,
  • Jonas Salling Quist,
  • Joachim Størling

摘要

Overweight and obesity are linked to mitochondrial alterations, impaired glucose tolerance and a high risk of type 2 diabetes. Time-restricted eating (TRE) may aid in facilitating weight loss to prevent diabetes. Here, we investigated if TRE in individuals with overweight and prediabetes or obesity affects mitochondrial bioenergetics of peripheral blood mononuclear cells (PBMCs) and platelets using the Seahorse extracellular flux technology. In a 3-month randomized controlled trial, PBMCs/platelets were analyzed from 52 participants before and after a TRE intervention with a 10-h eating window or habitual living. PBMC and platelet respiratory function was evaluated through sequential addition of substrates, uncouplers, and inhibitors in living cells. After 3 months, there were no statistically significant differences in mitochondrial respiration within or between the TRE and control groups. Association analyses between PBMC/platelet respiration and clinical parameters including body mass index and fat mass showed no significant effects. In conclusion, 3 months of 10-h TRE does not alter the mitochondrial bioenergetics of PBMCs and platelets in individuals with high risk of type 2 diabetes.