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Updated: Jun 19, 2026
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Development of an Economical DNA Delivery System by "Acufection" and its Application to Skin Research
Published on: April 19, 2017
Electrically mediated delivery of plasmid DNA to the skin, using a multielectrode array
Richard Heller1, Yolmari Cruz, Loree C Heller
1Frank Reidy Research Center for Bioelectrics, Old Dominion University, Norfolk, VA 23508, USA. rheller@odu.edu
Human Gene Therapy
|October 21, 2009
Summary
A new multielectrode array (MEA) improves skin gene delivery via electroporation, reducing pain and enhancing directional control. This advancement paves the way for clinical applications in DNA vaccines and therapies.
Area of Science:
- Biotechnology
- Dermatology
- Molecular Biology
Background:
- Skin's accessibility makes it a prime target for gene transfer.
- Efficient and reproducible gene delivery systems are crucial for skin-based therapies.
- Electroporation offers a direct, in vivo method for gene delivery to the skin.
Purpose of the Study:
- To develop and evaluate a novel multielectrode array (MEA) system for enhanced skin gene delivery.
- To compare the efficacy and safety of the MEA system against conventional electrodes.
- To assess the potential of MEA-based electroporation in preclinical models relevant to human skin.
Main Methods:
- Development of a multielectrode array (MEA) with reduced electrode distance and independent addressability for directional field control.
- Comparison of reporter gene expression in rat models using MEA and conventional electrodes.
- Evaluation of gene delivery in guinea pig models to simulate human skin conditions.
Main Results:
- Comparable reporter gene expression was achieved with both MEA and conventional electrodes in rats.
- Effective gene delivery was dependent on the electrode type and chosen parameters.
- The MEA system significantly reduced muscle twitching compared to conventional electrodes.
Conclusions:
- The developed MEA system offers an improved method for electroporation-mediated gene delivery to the skin.
- Reduced muscle stimulation with MEA facilitates translation to clinical applications.
- This technology holds promise for DNA vaccines and therapies for skin conditions, cancer, and protein deficiencies.
