Exploring interactions between extracellular vesicles and cells for innovative drug delivery system design

Sander Kooijmans, Olivier G. de Jong, Raymond Schiffelers*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

Abstract

Extracellular vesicles (EVs) are submicron cell-secreted structures containing proteins, nucleic acids and lipids. EVs can functionally transfer these cargoes from one cell to another to modulate physiological and pathological processes. Due to their presumed biocompatibility and capacity to circumvent canonical delivery barriers encountered by synthetic drug delivery systems, EVs have attracted considerable interest as drug delivery vehicles. However, it is unclear which mechanisms and molecules orchestrate EV-mediated cargo delivery to recipient cells. Here, we review how EV properties have been exploited to improve the efficacy of small molecule drugs. Furthermore, we explore which EV surface molecules could be directly or indirectly involved in EV-mediated cargo transfer to recipient cells and discuss the cellular reporter systems with which such transfer can be studied. Finally, we elaborate on currently identified cellular processes involved in EV cargo delivery. Through these topics, we provide insights in critical effectors in the EV-cell interface which may be exploited in nature-inspired drug delivery strategies.
Original languageEnglish
Pages (from-to)252-278
Number of pages27
JournalAdvanced Drug Delivery Reviews
Volume173
DOIs
Publication statusPublished - Jun 2021

Bibliographical note

Funding Information:
SAAK was supported by a Veni grant in the Applied and Engineering Sciences Domain of the Dutch Research Council (NWO)[grant number 17296]; OGJ was supported by a Veni grant in the Science. Domain of the Dutch Research Council (NWO) (grant number VI.Veni.192.174). RMS is supported by by the project B-SMART and EXPERT as part of the European Union's Horizon 2020 research and innovation programme under grant agreement No 721058 and 825858, respectively. Dr. Pieter Vader is thanked for fruitful discussions and valuable input for this review.

Publisher Copyright:
© 2021 The Authors

Keywords

  • Drug delivery
  • Exosomes
  • Extracellular vesicle surface
  • Extracellular vesicles
  • Protein delivery
  • RNA delivery
  • Reporter systems
  • Small molecules
  • Uptake mechanisms

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