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Cold-stimulated brown adipose tissue activation is related to changes in serum metabolites relevant to NAD+ metabolism in humans

  • Mueez U-Din
  • , Vanessa D. de Mello
  • , Marjo Tuomainen
  • , Juho Raiko
  • , Tarja Niemi
  • , Tobias Fromme
  • , Anton Klåvus
  • , Nadine Gautier
  • , Kimmo Haimilahti
  • , Marko Lehtonen
  • , Karsten Kristiansen
  • , John W. Newman
  • , Kirsi H. Pietiläinen
  • , Jussi Pihlajamäki
  • , Ez Zoubir Amri
  • , Martin Klingenspor
  • , Pirjo Nuutila
  • , Eija Pirinen
  • , Kati Hanhineva
  • , Kirsi A. Virtanen
  • Turku University Hospital
  • University of Turku and Turku University Hospital
  • University of Kuopio
  • Technical University of Munich
  • CNRS
  • University of Helsinki
  • University of Copenhagen
  • Economic Research Service
  • University of California, Davis
  • Helsinki University Central Hospital
  • Kuopion Yliopistollinen sairaala
  • Faculty of Medicine
  • Chalmers University of Technology

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Cold-induced brown adipose tissue (BAT) activation is considered to improve metabolic health. In murine BAT, cold increases the fundamental molecule for mitochondrial function, nicotinamide adenine dinucleotide (NAD+), but limited knowledge of NAD+ metabolism during cold in human BAT metabolism exists. We show that cold increases the serum metabolites of the NAD+ salvage pathway (nicotinamide and 1-methylnicotinamide) in humans. Additionally, individuals with cold-stimulated BAT activation have decreased levels of metabolites from the de novo NAD+ biosynthesis pathway (tryptophan, kynurenine). Serum nicotinamide correlates positively with cold-stimulated BAT activation, whereas tryptophan and kynurenine correlate negatively. Furthermore, the expression of genes involved in NAD+ biosynthesis in BAT is related to markers of metabolic health. Our data indicate that cold increases serum tryptophan conversion to nicotinamide to be further utilized by BAT. We conclude that NAD+ metabolism is activated upon cold in humans and is probably regulated in a coordinated fashion by several tissues.

Original languageEnglish
Article number113131
JournalCell Reports
Volume42
Issue number9
DOIs
StatePublished - 26 Sep 2023

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • BAT
  • CP: Metabolism
  • NAD
  • cold exposure
  • human brown adipose tissue
  • nicotinamide
  • tryptophan

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