Nature Communications (Nov 2020)

Essential omega-3 fatty acids tune microglial phagocytosis of synaptic elements in the mouse developing brain

  • C. Madore,
  • Q. Leyrolle,
  • L. Morel,
  • M. Rossitto,
  • A. D. Greenhalgh,
  • J. C. Delpech,
  • M. Martinat,
  • C. Bosch-Bouju,
  • J. Bourel,
  • B. Rani,
  • C. Lacabanne,
  • A. Thomazeau,
  • K. E. Hopperton,
  • S. Beccari,
  • A. Sere,
  • A. Aubert,
  • V. De Smedt-Peyrusse,
  • C. Lecours,
  • K. Bisht,
  • L. Fourgeaud,
  • S. Gregoire,
  • L. Bretillon,
  • N. Acar,
  • N. J. Grant,
  • J. Badaut,
  • P. Gressens,
  • A. Sierra,
  • O. Butovsky,
  • M. E. Tremblay,
  • R. P. Bazinet,
  • C. Joffre,
  • A. Nadjar,
  • S. Layé

DOI
https://doi.org/10.1038/s41467-020-19861-z
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 19

Abstract

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Altered fatty acid intake during pregnancy is associated with neurodevelopmental disorders. Here, the authors show that maternal omega-3 fatty acids deficiency results in altered microglia-mediated phagocytosis of synaptic elements leading to impaired cognitive functions in the offspring in mice.