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VyCAP's puncher technology for single cell identification, isolation, and analysis
Michiel Stevens1, Lisa Oomens1, Joska Broekmaat1
1VyCAP, Enschede, The Netherlands.
Summary
The Puncher technology isolates single cells using a silicon chip, microwells, and imaging. This method is effective for rare cells like circulating tumor cells (CTCs) in liquid biopsies.
Area of Science:
- Biotechnology
- Cell Biology
- Medical Diagnostics
Background:
- Single-cell isolation is crucial for various biological and medical applications.
- Existing methods face challenges with rare cell populations and low cell numbers.
- Circulating tumor cells (CTCs) are rare in blood, necessitating efficient isolation techniques.
Purpose of the Study:
- To introduce the Puncher technology for precise single-cell isolation and transfer.
- To demonstrate the technology's applicability for isolating rare cells, including CTCs.
- To highlight the compatibility of Puncher technology with downstream workflows.
Main Methods:
- The Puncher technology integrates a silicon chip with microwells, fluorescence imaging, and a novel punching mechanism.
- Single cells are isolated and transferred to standard reaction tubes.
- Pre-enrichment methods like RosetteSep and Parsortix are used for CTC isolation.
Main Results:
- The Puncher technology enables efficient isolation of single cells from low-volume, low-cell-number suspensions.
- It is particularly suited for isolating cells present at frequencies as low as 1 in 10,000.
- The technology facilitates the isolation of CTCs, requiring prior enrichment to reduce leukocyte contamination.
Conclusions:
- The Puncher technology offers a versatile solution for single-cell isolation, especially for rare cell populations.
- It is compatible with existing laboratory instrumentation and downstream applications.
- This technology advances the field of liquid biopsy and single-cell analysis.