Nature Communications (Sep 2022)

Rejuvenation of the aged brain immune cell landscape in mice through p16-positive senescent cell clearance

  • Xu Zhang,
  • Vesselina M. Pearsall,
  • Chase M. Carver,
  • Elizabeth J. Atkinson,
  • Benjamin D. S. Clarkson,
  • Ethan M. Grund,
  • Michelle Baez-Faria,
  • Kevin D. Pavelko,
  • Jennifer M. Kachergus,
  • Thomas A. White,
  • Renee K. Johnson,
  • Courtney S. Malo,
  • Alan M. Gonzalez-Suarez,
  • Katayoun Ayasoufi,
  • Kurt O. Johnson,
  • Zachariah P. Tritz,
  • Cori E. Fain,
  • Roman H. Khadka,
  • Mikolaj Ogrodnik,
  • Diana Jurk,
  • Yi Zhu,
  • Tamara Tchkonia,
  • Alexander Revzin,
  • James L. Kirkland,
  • Aaron J. Johnson,
  • Charles L. Howe,
  • E. Aubrey Thompson,
  • Nathan K. LeBrasseur,
  • Marissa J. Schafer

DOI
https://doi.org/10.1038/s41467-022-33226-8
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 17

Abstract

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The authors discovered that proinflammatory senescent myeloid cells may recruit peripheral immune cells in the aged mouse brain. Their findings implicate senescent cell clearance as a strategy to counter aged brain inflammation and cognitive decline.