Nature Communications (Apr 2019)

KIBRA controls exosome secretion via inhibiting the proteasomal degradation of Rab27a

  • Lin Song,
  • Shi Tang,
  • Xiaolei Han,
  • Ziying Jiang,
  • Lingling Dong,
  • Cuicui Liu,
  • Xiaoyan Liang,
  • Jixin Dong,
  • Chengxuan Qiu,
  • Yongxiang Wang,
  • Yifeng Du

DOI
https://doi.org/10.1038/s41467-019-09720-x
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 13

Abstract

Read online

Exosomes are intercellular signaling vesicles created by fusion of multivesicular bodies (MVBs) and the plasma membrane (PM), but secretory regulation is ill-defined. Song et al. show that KIBRA controls exosome secretion by protecting Rab27a from proteasomal degradation, promoting MVB-PM docking.