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Related Experiment Video

Updated: May 8, 2026

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

Published on: October 13, 2023

Versatile immunomagnetic nanocarrier platform for capturing cancer cells.

Chun-Hsien Wu1, Yu-Yen Huang, Peng Chen

  • 1Department of Biomedical Engineering, University of Texas at Austin , Austin, Texas 78712, United States.

ACS Nano
|September 11, 2013
PubMed
Summary

A new assay using magnetic nanocarriers and microfluidics improves circulating tumor cell (CTC) detection. This method overcomes limitations of current assays, enhancing cancer prognosis and therapeutic evaluation.

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Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Cancer Diagnostics

Background:

  • Accurate detection of circulating tumor cells (CTCs) is crucial for cancer prognosis and treatment monitoring.
  • Current CTC detection methods face challenges due to the low abundance of CTCs and biomarker heterogeneity, particularly with epithelial cell adhesion molecule (EpCAM)-based assays.
  • Epithelial to mesenchymal transition (EMT) further complicates CTC identification by altering molecular biomarkers.

Purpose of the Study:

  • To develop a novel assay for sensitive and quantitative assessment of CTCs.
  • To overcome the limitations of existing EpCAM-based assays and improve CTC detection in metastatic cancer patients.
  • To create a versatile platform adaptable to various cancer biomarkers for improved CTC enrichment and enumeration.

Main Methods:

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Capture and Release of Viable Circulating Tumor Cells from Blood
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Capture and Release of Viable Circulating Tumor Cells from Blood

Published on: October 28, 2016

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Last Updated: May 8, 2026

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

Analyzing Tumor and Tissue Distribution of Target Antigen Specific Therapeutic Antibody
07:36

Analyzing Tumor and Tissue Distribution of Target Antigen Specific Therapeutic Antibody

Published on: May 16, 2020

Capture and Release of Viable Circulating Tumor Cells from Blood
08:10

Capture and Release of Viable Circulating Tumor Cells from Blood

Published on: October 28, 2016

  • Development of an assay utilizing hybrid magnetic/plasmonic nanocarriers and a microfluidic channel.
  • Specific targeting of cancer cells using antibody-conjugated magnetic nanocarriers.
  • Magnetic separation of targeted cancer cells from blood components within a microfluidic chamber.
  • Immunofluorescence staining for differentiating captured CTCs from normal blood cells.

Main Results:

  • Demonstrated adaptability of the platform to various biomarkers for colon, breast, and skin cancer cell models.
  • Achieved over 90% capture efficiency in whole blood experiments using dual cancer biomarker targeting.
  • Successfully differentiated CTCs from normal blood cells using immunofluorescence staining.

Conclusions:

  • The developed assay combines immunotargeted magnetic nanocarriers with microfluidics for enhanced CTC detection.
  • This platform offers improved effectiveness over current CTC assays by addressing tumor cell heterogeneity.
  • The technology holds significant potential for advancing cancer diagnostics and monitoring therapeutic efficacy.