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Updated: May 8, 2026
Circulating Tumor Cell Lines: an Innovative Tool for Fundamental and Translational Research
Published on: December 25, 2021
Detection and isolation of circulating tumor cells: principles and methods
Hadi Esmaeilsabzali1, Timothy V Beischlag, Michael E Cox
1School of Mechatronic Systems Engineering, Simon Fraser University, 250-13450 102nd Avenue, Surrey, V3T 0A3, BC, Canada; Faculty of Health Sciences, Simon Fraser University, 8888 University Drive, Burnaby, V5A 1S6, BC, Canada; School of Engineering Science, Simon Fraser University, 8888 University Drive, Burnaby, V5A 1S6, BC, Canada.
Detecting circulating tumor cells (CTCs) is crucial for cancer management. Antibody-based methods, especially with microfluidics, show the highest performance for CTC detection and isolation.
Area of Science:
- Oncology
- Biotechnology
- Medical Diagnostics
Background:
- Circulating tumor cells (CTCs) are vital for cancer progression and metastasis.
- Accurate detection and isolation of CTCs are challenging due to their rarity and lack of specific markers.
- Improved CTC analysis aids in better cancer management and treatment strategies.
Purpose of the Study:
- To review and classify existing methods for CTC detection and isolation.
- To identify trends and potential improvements in CTC analysis technologies.
- To provide a framework for understanding CTCs in cancer biology.
Main Methods:
- Classification of CTC detection methods based on working principles: nucleic acid-based, physical properties-based, and antibody-based.
- Literature review of emerging technologies and their performance.
- Analysis of microfluidic lab-on-a-chip applications in CTC isolation.
Main Results:
- Antibody-based methods demonstrate superior performance for CTC detection and isolation.
- Microfluidic lab-on-a-chip platforms enhance the efficiency of antibody-based methods.
- Current technologies require further advancements in marker specificity, throughput, and sensitivity.
Conclusions:
- Antibody-based methods, particularly within microfluidic systems, are the most promising for CTC analysis.
- Future research should focus on discovering more specific CTC markers and improving device analytical capabilities.
- Enhanced CTC detection and isolation technologies are essential for advancing cancer diagnostics and therapeutics.
