Related Experiment Video
Updated: Aug 7, 2026

06:42
A Simple and Efficient Method for In Vivo Cardiac-specific Gene Manipulation by Intramyocardial Injection in Mice
Published on: April 16, 2018
A direct mechanical method for accurate and efficient adenoviral vector delivery to tissues
V G Khurana1, D A Weiler, T A Witt
1Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905, USA.
Gene Therapy
|February 26, 2003
Summary
A novel mechanical method uses a paintbrush for efficient adenoviral vector delivery to arteries and other tissues. This technique ensures accurate gene transfer without compromising tissue integrity, offering a promising adjunct for gene therapy.
Area of Science:
- Biotechnology
- Gene Therapy
- Vascular Biology
Background:
- Adenoviral vectors are crucial for gene delivery.
- Efficient and targeted delivery methods are needed for therapeutic applications.
- Current methods may have limitations in accuracy and tissue integrity.
Purpose of the Study:
- To describe and characterize a mechanical paintbrush method for adenoviral vector delivery.
- To evaluate the morphological, biochemical, and functional effects on arteries.
- To assess the general applicability of this technique across various tissues.
Main Methods:
- Mechanical delivery of a recombinant beta-galactosidase-expressing adenoviral vector using a paintbrush.
- Ex vivo and in vivo studies on intact carotid arteries.
- Assessment of transduction efficiency, morphology, biochemistry, and function.
- Application to skeletal muscle, fibrotendinous tissue, peritoneum, bowel serosa, and wounded skin.
Main Results:
- Demonstrated efficient, accurate, and rapid arterial transduction.
- Confirmed no compromise in arterial morphological, biochemical, or functional integrity.
- Showcased successful in vivo transduction in multiple tissue types.
- Validated the paintbrush method's broad applicability.
Conclusions:
- Direct mechanical delivery of adenoviral vectors via paintbrush is intuitive and effective.
- This method significantly augments gene transfer efficiency.
- It serves as a valuable adjunct to existing gene delivery strategies.

