Nature Communications (Jan 2019)

Exosomes harbor B cell targets in pancreatic adenocarcinoma and exert decoy function against complement-mediated cytotoxicity

  • Michela Capello,
  • Jody V. Vykoukal,
  • Hiroyuki Katayama,
  • Leonidas E. Bantis,
  • Hong Wang,
  • Deepali L. Kundnani,
  • Clemente Aguilar-Bonavides,
  • Mitzi Aguilar,
  • Satyendra C. Tripathi,
  • Dilsher S. Dhillon,
  • Amin A. Momin,
  • Haley Peters,
  • Matthew H. Katz,
  • Hector Alvarez,
  • Vincent Bernard,
  • Sammy Ferri-Borgogno,
  • Randall Brand,
  • Douglas G. Adler,
  • Matthew A. Firpo,
  • Sean J. Mulvihill,
  • Jeffrey J. Molldrem,
  • Ziding Feng,
  • Ayumu Taguchi,
  • Anirban Maitra,
  • Samir M. Hanash

DOI
https://doi.org/10.1038/s41467-018-08109-6
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 13

Abstract

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The humoral immune response role in cancer is unclear. Here the authors perform an in-depth proteomic profiling of immunoglobulin-bound proteins in plasma from pancreatic ductal adenocarcinoma patients and find cancer-cell specific antibodies neutralized by binding to cancer-cell derived exosomes.