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A Standardized Liquid Biopsy Preanalytical Protocol for Downstream Circulating-Free DNA Applications
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Liquid Biopsy: General Concepts.

Geoffroy Poulet1,2, Joséphine Massias1, Valerie Taly3

  • 1INSERM UMR-S1147, CNRS SNC5014, Paris Descartes University, Equipe labellisée Ligue Nationale contre le cancer, Paris, France.

Acta Cytologica
|May 16, 2019
PubMed
Summary
This summary is machine-generated.

Liquid biopsy offers a non-invasive way to detect and monitor cancer using body fluids. Advances in technologies like digital PCR and next-generation sequencing are key to its potential as a cancer biomarker.

Keywords:
BiomarkersCancerCirculating cell-free DNACirculating tumor DNACirculating tumor cellsLiquid biopsy

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Area of Science:

  • Oncology
  • Biotechnology
  • Molecular Diagnostics

Background:

  • Liquid biopsy analyzes cancer through body fluids, offering a minimally invasive alternative to tissue biopsy.
  • It comprises circulating tumor cells, cell-free nucleic acids, exosomes, and tumor-educated platelets.
  • Liquid biopsy provides insights into tumor heterogeneity and real-time cancer monitoring.

Purpose of the Study:

  • To review the advancements in liquid biopsy technologies for cancer detection and monitoring.
  • To highlight the role of microfluidics, digital PCR, and next-generation sequencing.
  • To discuss the challenges and future directions for clinical adoption.

Main Methods:

  • Review of recent technological and molecular advances in liquid biopsy.
  • Focus on microfluidics for purification and analysis of liquid biopsy components.
  • Emphasis on droplet-based digital PCR and next-generation sequencing.

Main Results:

  • Significant progress in purifying and analyzing liquid biopsy components.
  • Validation of cell-free DNA as a potent cancer biomarker.
  • Microfluidics and advanced sequencing technologies are central to these developments.

Conclusions:

  • Liquid biopsy holds promise for improved cancer detection, analysis, and monitoring.
  • Standardization of pre-analytical and analytical procedures is crucial for clinical implementation.
  • Continued research and development are needed for widespread adoption.