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Progress and potential of exosome analysis for early pancreatic cancer detection

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Pages 757-767 | Received 12 Feb 2016, Accepted 05 May 2016, Published online: 01 Jun 2016
 

ABSTRACT

Introduction: Pancreatic cancer (PaCa) is the most deadly malignancy, due to late diagnosis prohibiting surgery. Thus, strong efforts are taken improving early diagnosis via biomarkers recovered in the serum of PaCa patients.

Areas covered: One promising option are PaCa-derived exosomes in patients’ sera. Exosomes, small vesicles delivered by live cells and recovered in all body fluids, are a powerful diagnostic tool due to relative stability and composition covering the whole range of cancer-related biomarkers including proteins, metabolites, DNA, DNA modifications, coding and noncoding RNA. We discuss the mechanisms accounting for the condensed packaging of biomarkers, refer to studies using PaCa serum-exosomes for diagnosis. Based on an extensive literature search, we outline questions that answers may help establishing a serum-exosome-based screening for early PaCa detection.

Expert commentary: Improved proteomic and genomic characterization and progress in the biogenesis of exosomes will allow for optimized and unified screening panels for PaCa diagnosis via TEX in body fluids.

Acknowledgments

The authors would like to apologize for many outstanding contributions to the field, which could not be cited according to shortage of space.

Declaration of interest

This study was supported the Deutsche Krebshilfe (M Zöller) and the Wilhelm Sander Stiftung (M Zöller). The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.

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