Profiling circulating tumour cells and other biomarkers of invasive cancers

Mahla Poudineh, Edward H. Sargent, Klaus Pantel*, Shana O. Kelley

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

183 Scopus citations


During cancer progression, many tumours shed circulating tumour cells (CTCs) and other biomarkers into the bloodstream. The analysis of CTCs offers the prospect of collecting a liquid biopsy from a patient's blood to predict and monitor therapeutic responses and tumour recurrence. In this Review, we discuss progress towards the isolation and recovery of bulk CTCs from whole blood samples for the identification of cells with high metastatic potential. We provide an overview of the techniques that initially pointed to the clinical significance of CTCs and describe the key requirements for clinical applications of CTC analysis. We also summarize recent advances that permit the functional and biochemical phenotypes of CTCs to be characterized, and discuss the potential roles of these CTC characteristics in the formation of metastatic lesions. Moreover, we discuss the use of circulating tumour DNA and exosomes as markers for early cancer diagnosis and for the monitoring of cancer progression. Next-generation technologies and biomarkers for invasive cancers should allow for the unequivocal determination of the metastatic potential of CTCs, and for the meaningful analysis of circulating tumour DNA and exosomes.

Original languageEnglish (US)
Pages (from-to)72-84
Number of pages13
JournalNature Biomedical Engineering
Issue number2
StatePublished - Feb 1 2018

ASJC Scopus subject areas

  • Bioengineering
  • Biotechnology
  • Biomedical Engineering
  • Medicine (miscellaneous)
  • Computer Science Applications


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