Cell-imprinted biomimetic interface for intelligent recognition and efficient capture of CTCs

Area of Science:

• Biomaterials Science
• Cancer Biology
• Nanotechnology

Background:

• Efficient isolation of circulating tumor cells (CTCs) is crucial for early cancer diagnosis and prognosis.
• Current methods face challenges in specificity and efficiency for rare cell capture.

Purpose of the Study:

• To develop a cell-imprinted biomimetic interface for highly efficient capture of CTCs.
• To investigate the synergistic effects of natural and plastic antibodies on CTC-material interactions.

Main Methods:

• Fabrication of a cell-imprinted interface using target cancer cells as templates.
• Incorporation of a natural antibody (anti-EpCAM) to enhance cell-material binding.
• Evaluation of capture efficiency using artificial blood samples.

Main Results:

• The cell-imprinted interface demonstrated high performance in CTC detection.
• Achieved a capture efficiency exceeding 55% for CTCs in artificial blood samples.
• Systematic analysis revealed synergistic contributions of biochemical and topographic interactions.

Conclusions:

• The developed biomimetic interface offers a promising approach for efficient CTC capture.
• This technology has significant potential for advancing cell-based research and clinical applications in oncology.
• The study provides insights into designing advanced cell-material interaction interfaces.