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Updated: Jun 27, 2026

Zebrafish Keratocyte Explants to Study Collective Cell Migration and Reepithelialization in Cutaneous Wound Healing

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Physical decellularization of fish skin utilizing electrical fields.

Mengshi Chen¹, Siyi Chen², Yapei Song³

¹Jiangxi Provincial Key Laboratory of Tissue Engineering, Gannan Medical University, Ganzhou, Jiangxi 341000, China.

Regenerative Biomaterials

|March 2, 2026

Summary

This summary is machine-generated.

A novel electrical field technique offers a faster, safer method for decellularizing tissues, preserving extracellular matrix integrity for tissue engineering. This approach minimizes DNA residue and enhances biocompatibility compared to traditional chemical methods.

Keywords:

biocompatibility biomaterials decellularization fish skin tissue engineering

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Area of Science:

Biomaterials Science
Tissue Engineering
Regenerative Medicine

Background:

Decellularized tissues are crucial for tissue engineering but current methods have limitations.
Existing decellularization techniques often damage the extracellular matrix and leave toxic residues.
Inadequate removal of cellular components can trigger immune responses, compromising clinical efficacy.

Purpose of the Study:

To develop and evaluate a novel decellularization technique using an electrical field.
To assess the efficiency, biocompatibility, and structural integrity of electrically decellularized tissues.
To compare electrical decellularization with traditional chemical/enzymatic methods.

Main Methods:

Decellularization of skin tissue using a novel electrical field technique.
Quantification of residual DNA concentration using established assays.
Microstructural analysis of decellularized tissues.
In vitro cytotoxicity and hemolysis assays.
In vivo subcutaneous implantation studies to assess immune response and tissue integration.

Main Results:

Electrical decellularization achieved DNA levels below 50 ng/mg in approximately 2 hours, significantly faster than chemical methods (15 hours).
Electrically decellularized tissues showed superior preservation of microstructural integrity and porosity.
Cytotoxicity and hemolysis rates were significantly lower for electrically decellularized tissues compared to chemically treated and native tissues.
In vivo studies indicated reduced immune response and enhanced tissue integration with electrical decellularization.

Conclusions:

Electrical decellularization is a rapid, reagent-free method for producing high-quality decellularized tissues.
This technique effectively removes cellular components while preserving the extracellular matrix structure and biocompatibility.
Electrical decellularization presents a promising alternative for tissue engineering and regenerative medicine applications.