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Related Experiment Video

Updated: Aug 13, 2025

Clinical Microfluidic Chip Platform for the Isolation of Versatile Circulating Tumor Cells
05:58

Clinical Microfluidic Chip Platform for the Isolation of Versatile Circulating Tumor Cells

Published on: October 13, 2023

1.3K

Circulating tumour cell isolation, analysis and clinical application.

XiaoLi Zhang1, PeiPei Xie1, KaiTai Zhang2

  • 1State Key Laboratory of Molecular Oncology, Department of Etiology and Carcinogenesis, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.

Cellular Oncology (Dordrecht, Netherlands)
|January 19, 2023
PubMed
Summary

Circulating tumour cells (CTCs) are crucial biomarkers, but their rarity and release patterns pose isolation challenges. Advanced enrichment methods, potentially combined with other liquid biopsy markers, are key to unlocking their full clinical potential.

Keywords:
Biological propertiesCirculating tumour cellsClinical applicationsIsolation

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Last Updated: Aug 13, 2025

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Area of Science:

  • Oncology
  • Biomarker Discovery
  • Cellular Biology

Background:

  • Circulating tumour cells (CTCs) are shed from primary tumors and can cause metastasis.
  • CTCs are valuable biomarkers for early diagnosis, treatment monitoring, and prognosis.
  • Challenges in CTC isolation include their low abundance, heterogeneity, and circadian release patterns.

Purpose of the Study:

  • To review the biological properties and clinical applications of CTCs.
  • To discuss current CTC enrichment and isolation techniques.
  • To highlight future directions for CTC-based diagnostics.

Main Methods:

  • Review of current literature on CTC biology, isolation, and clinical applications.
  • Analysis of CTC enrichment strategies based on physical and biological properties.
  • Discussion of emerging trends, including combined enrichment methods and integration with other liquid biopsy components.

Main Results:

  • Current CTC isolation methods face limitations due to CTC rarity, heterogeneity, and circadian release.
  • Combined enrichment strategies leveraging both physical and biological properties show promise for improved specificity and sensitivity.
  • Integrating CTC analysis with other liquid biopsy components like circulating tumor DNA (ctDNA) may enhance clinical utility.

Conclusions:

  • Highly specific and sensitive CTC capture methods are essential for clinical translation.
  • Combined enrichment approaches are critical for overcoming current isolation challenges.
  • The circadian rhythm of CTC release and combined liquid biopsy analysis represent future frontiers in cancer diagnostics and treatment.