Cited by 655

Exosomes: Vehicles of Intercellular Signaling, Biomarkers, and Vectors of Cell Therapy

Kourembanas, Stella·2015·Annual Review of Physiology

Abstract

Mesenchymal stem cells (MSCs), whose mechanism of action is predominantly paracrine, are being widely tested for the treatment of a variety of human diseases. No one factor has been proven sufficient to mediate the therapeutic effects of MSCs. However, exosomes—membrane vesicles secreted by many cells, including MSCs—are appealing candidates as vectors of their efficacy. Exosomes can transport and deliver a large cargo of proteins, lipids, and nucleic acids and can modify cell and organ function. In addition to their key role as vehicles of intercellular communication, exosomes are increasingly recognized as biomarkers and prognosticators of disease. Moreover, they have the potential to be used as vehicles of gene and drug delivery for clinical application. This article reviews the biogenesis of exosomes, their molecular composition, and their role as messengers of intercellular communication, focusing on their potential as therapeutic vectors for stem cell therapy.

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  1. Ortiz LA, Dutreil M, Fattman C, Pandey AC, Torres G, et al. 2007. Interleukin 1 receptor antagonist mediates the antiinflammatory and antifibrotic effect of mesenchymal stem cells during lung injury. Proc. Natl. Acad. Sci. USA 104:11002-7
  2. Pisitkun T, Shen RF, Knepper MA. 2004. Identification and proteomic profiling of exosomes in human urine. Proc. Natl. Acad. Sci. USA 101:13368-73
  3. Rana S, Zoller M. 2011. Exosome target cell selection and the importance of exosomal tetraspanins: a hypothesis. Biochem. Soc. Trans. 39:559-62
  4. Rajendran L, Honsho M, Zahn TR, Keller P, Geiger KD, et al. 2006. Alzheimer's disease β-amyloid peptides are released in association with exosomes. Proc. Natl. Acad. Sci. USA 103:11172-77 SPECIAL TOPIC: GENETIC AND MOLECULAR BASIS OF EPISODIC DISORDERS, Louis J. Ptáček, Section Editor Episodic Disorders: Channelopathies and Beyond Louis J. Ptáček p p p p p p p p 475 Targets in

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Authors
Kourembanas, S.
Venue
Annual Review of Physiology
Published
2015-02-10
Volume
77
Issue
1
Pages
13-27
ISSN
  • 0066-4278
  • 1545-1585
Cited by
655
References
4
Language
en

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