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Updated: Jun 5, 2025

Establishing Single-Cell Based Co-Cultures in a Deterministic Manner with a Microfluidic Chip

Establishing Single-Cell Based Co-Cultures in a Deterministic Manner with a Microfluidic Chip

Published on: September 27, 2019

Highly efficient combination of multiple single cells using a deterministic single-cell combinatorial reactor.

Mina Yoshida¹, Saori Tago¹, Kunihiko Iizuka^1,2

¹Institute of Industrial Science, University of Tokyo, Tokyo, Japan. shkim@iis.u-tokyo.ac.jp.

|December 16, 2024

Summary

This summary is machine-generated.

This study introduces a novel microfluidic device for efficiently combining multiple single cells, crucial for advanced biological research like single-cell analysis. The deterministic single-cell combinatorial reactor (DSCR) device achieves high pairing and combination efficiencies for multiple cell populations.

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A Combinatorial Single-cell Approach to Characterize the Molecular and Immunophenotypic Heterogeneity of Human Stem and Progenitor Populations

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Published on: October 25, 2018

Area of Science:

Biotechnology
Microfluidics
Cell Biology

Background:

Compartmentalization of single cells is vital for applications like single-cell transcriptome analysis and studying cell-cell interactions.
High efficiency in pairing or combining single cells is essential to prevent analysis errors and misinterpretations.

Purpose of the Study:

To develop a novel microfluidic device for highly efficient combination of multiple single cells.
To enable precise trapping and combinatorial manipulation of individual cells for advanced biological assays.

Main Methods:

Introduction of a deterministic single-cell combinatorial reactor (DSCR) device integrated with a multilayer interconnect Si/SiO2 control circuit.
Sequential introduction and trapping of distinct cell populations into designated trap-wells using localized electric fields generated by cell-sized wells.
Demonstration using PC3 cells stained with different fluorescent dyes, sequentially trapped in the DSCR.

Main Results:

Achieved 93 ± 2% pairing efficiency for two cell populations.
Demonstrated 82 ± 7% combination efficiency for three cell populations.
Validated the device's capability for deterministic single-cell trapping and sequential operation.

Conclusions:

The DSCR device offers a robust platform for the efficient combination of multiple single cells.
This technology has significant potential for applications in analyzing multiple cell-cell communications and combinatorial indexing.
The system provides a reliable method for precise manipulation of single cells in microfluidic environments.