Liquid Biopsy for Investigation of Cancer DNA in Esophageal Squamous Cell Carcinoma

  • Robert A. SmithEmail author
  • Alfred K. Lam
Part of the Methods in Molecular Biology book series (MIMB, volume 2129)


Early detection of cancer and the monitoring of cancer recurrence in treated patients are significant challenges in esophageal squamous cell carcinoma (ESCC). Liquid biopsy is the identification of tumor biomarkers from minimally invasive samples of biological fluids, including urine, blood, stool, saliva, or cerebrospinal fluid. Liquid biopsy offers a potential solution to the problems of detection and surveillance as DNA shed from cancer cells as cell-free DNA or in exosomes can be detected in body fluids. By detecting these DNAs, we can identify the presence of cancer-associated mutations for basic detection, as well as to obtain information on the recurrence and evolution of disease following initial treatment. These sources of information have the potential to significantly improve the management of patients with ESCC. In this chapter, we detail a method for the isolation of cell-free DNA from blood plasma and DNA associated with exosomes in blood from patients with esophageal squamous cell carcinomas.

Key words

Liquid biopsy Cell-free DNA Exosome-associated DNA Cancer surveillance Cancer detection Cancer management Mutations 


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2020

Authors and Affiliations

  1. 1.Genomics Research Centre, Institute of Health and Biomedical InnovationQueensland University of TechnologyKelvin GroveAustralia
  2. 2.Cancer Molecular Pathology, School of MedicineGriffith UniversityGold CoastAustralia

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