Nature Communications (Oct 2019)

Trisomy 21 activates the kynurenine pathway via increased dosage of interferon receptors

  • Rani K. Powers,
  • Rachel Culp-Hill,
  • Michael P. Ludwig,
  • Keith P. Smith,
  • Katherine A. Waugh,
  • Ross Minter,
  • Kathryn D. Tuttle,
  • Hannah C. Lewis,
  • Angela L. Rachubinski,
  • Ross E. Granrath,
  • María Carmona-Iragui,
  • Rebecca B. Wilkerson,
  • Darcy E. Kahn,
  • Molishree Joshi,
  • Alberto Lleó,
  • Rafael Blesa,
  • Juan Fortea,
  • Angelo D’Alessandro,
  • James C. Costello,
  • Kelly D. Sullivan,
  • Joaquin M. Espinosa

DOI
https://doi.org/10.1038/s41467-019-12739-9
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 11

Abstract

Read online

Down syndrome (DS) is caused by trisomy 21 (T21), but the underlying etiology of the related immune and neurological dysfunction is unclear. Here, the authors show that T21 activates the kynurenine pathway via increased interferon receptor copy number, which could contribute to DS pathophysiology.