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Mechanical Dissociation of Tissues for Single Cell Analysis Using a Motorized Device.

Mayowa Amosu1, Andrew J Gregory2, John D Murtagh2

  • 1Fischell Department of Bioengineering, University of Maryland.

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|November 27, 2023
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Summary

This study presents a low-cost, semi-automated device for tissue dissociation, improving single-cell isolation for research. It offers a reproducible and accessible method for preparing high-quality single-cell suspensions from multiple tissue samples.

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Area of Science:

  • Biomedical research
  • Cell biology
  • Laboratory automation

Background:

  • Single-cell isolation is critical for biomedical research but manual methods are time-consuming and variable.
  • Automated methods reduce time and variability but are often expensive and inaccessible.
  • Lower-resourced laboratories need cost-effective solutions for single-cell preparation.

Purpose of the Study:

  • To develop a low-cost, semi-automated device for tissue dissociation.
  • To provide a reproducible and accessible alternative to manual and expensive automated methods.
  • To facilitate single-cell analysis in academic research settings.

Main Methods:

  • Fabrication and assembly of a semi-automated device using commercially available materials.
  • Development of a semi-automated tissue dissociation protocol.
  • Validation of the protocol across multiple mouse tissues.
  • Creation of accompanying software for protocol customization.

Main Results:

  • The device reliably produces single-cell suspensions with comparable cell yields and viability to manual methods.
  • The protocol processes up to 12 tissue samples simultaneously, improving efficiency for large studies.
  • The system offers a cost-effective solution for academic laboratories.

Conclusions:

  • The developed semi-automated device provides a low-cost, accessible, and reproducible method for single-cell isolation.
  • This innovation can enhance the capacity of academic laboratories to conduct large-scale single-cell analyses.
  • The device and protocol support diverse research needs through customizable operation.