<p>α-melanocyte-stimulating hormone (α-MSH) is an anorexigenic peptide. In this exploratory study, a targeted proteomic approach was used to detect α-MSH-like bacterial proteins in the gut microbiota of patients with anorexia nervosa (AN) and healthy controls. <i>Enterobacteriaceae</i> chaperone DnaK was identified as an α-MSH-like protein common to both study groups, while caseinolytic protease B (ClpB) was present in patients with AN. These data further link anorexigenic ClpB to the AN pathophysiology.</p><p></p>

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Targeted proteomics reveal α-MSH-like Enterobacterial ClpB protein in gut microbiota of patients with anorexia nervosa

  • Lisa Bremard,
  • Lisa Wallart,
  • Emilie Lahaye,
  • Mohamed Amine Ben Mlouka,
  • Jochen Seitz,
  • Beate Herpertz-Dahlmann,
  • Sergueï O. Fetissov

摘要

α-melanocyte-stimulating hormone (α-MSH) is an anorexigenic peptide. In this exploratory study, a targeted proteomic approach was used to detect α-MSH-like bacterial proteins in the gut microbiota of patients with anorexia nervosa (AN) and healthy controls. Enterobacteriaceae chaperone DnaK was identified as an α-MSH-like protein common to both study groups, while caseinolytic protease B (ClpB) was present in patients with AN. These data further link anorexigenic ClpB to the AN pathophysiology.