Nature Communications (Jan 2018)

Neuronal lysosomal dysfunction releases exosomes harboring APP C-terminal fragments and unique lipid signatures

  • André M. Miranda,
  • Zofia M. Lasiecka,
  • Yimeng Xu,
  • Jessi Neufeld,
  • Sanjid Shahriar,
  • Sabrina Simoes,
  • Robin B. Chan,
  • Tiago Gil Oliveira,
  • Scott A. Small,
  • Gilbert Di Paolo

DOI
https://doi.org/10.1038/s41467-017-02533-w
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 16

Abstract

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Neurodegeneration is increasingly associated with endolysosomal and autophagy dysfunction. Here, Miranda and colleagues show that disruption of neuronal PI3P/Vps34 signaling leads to endolysosomal membrane damage and aberrant release of undigested material in APP-CTF- and BMP-positive exosomes.