Related Experiment Video
Updated: Dec 27, 2025
07:46
ACT-PRESTO: Biological Tissue Clearing and Immunolabeling Methods for Volume Imaging
Published on: December 31, 2016
12.7K
Lossless immunocytochemistry using photo-polymerized hydrogel thin-films
Jeong Hyun Lee1, Aline T Santoso, Emily S Park
1Department of Mechanical Engineering, University of British Columbia, Vancouver, BC, Canada. hongma@mech.ubc.ca.
The Analyst
|March 5, 2020
Summary
This study introduces a novel hydrogel encapsulation method to prevent cell loss during immunocytochemistry (ICC), ensuring accurate phenotyping for rare cell research. This lossless ICC technique enhances diagnostic applications by preserving cell integrity.
Area of Science:
- Cell Biology
- Biotechnology
- Microscopy
Background:
- Immunocytochemistry (ICC) is crucial for cell phenotyping in research and diagnostics.
- Standard ICC methods suffer significant cell loss (<10,000 cells), impacting rare cell analysis (e.g., circulating tumor cells).
- Existing protocols are time-consuming and incompatible with automation due to multiple centrifugation steps.
Purpose of the Study:
- To develop a lossless ICC protocol for small cell samples.
- To improve the efficiency and automation compatibility of ICC.
- To eliminate cell loss during ICC procedures.
Main Methods:
- Encapsulation of cell samples in a photo-polymerized hydrogel thin-film.
- Utilizing hydrogel permeable to ICC reagents for standard protocol compatibility.
- Physically constraining cells within the hydrogel on microtiter plates.
Main Results:
- Standard ICC and Cytospin protocols exhibit >70% cell loss with <10,000 cells.
- Hydrogel encapsulation results in a lossless ICC process.
- The method requires only a single centrifugation step, reducing protocol time.
Conclusions:
- Hydrogel encapsulation offers a lossless ICC solution for small and rare cell samples.
- This technique enhances ICC reliability for research and diagnostics.
- The method is time-efficient and compatible with robotic platforms.
