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[Direct gene transfer into rabbit peripheral nerve in vivo]
1Department of Orthopedic Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, P. R. China, 050051. zhangshiqiang@hotmail.com
Summary
Exogenous genes can be successfully transferred and expressed in peripheral nerves, demonstrating bioactivity. This finding supports the potential of gene therapy for accelerating nerve recovery.
Area of Science:
- Molecular Biology
- Neuroscience
- Gene Therapy
Background:
- Peripheral nerve injury poses significant challenges to recovery.
- Gene therapy offers a promising avenue for enhancing nerve regeneration.
Purpose of the Study:
- To investigate the direct transfer and in vivo expression of exogenous genes within peripheral nerves.
- To assess the feasibility of gene therapy for peripheral nerve repair.
Main Methods:
- A plasmid containing the beta-galactosidase (lacZ) gene under a cytomegalovirus (CMV) promoter was constructed.
- The plasmid was injected into the rabbit sciatic nerve; a control group received PBS.
- Gene expression was evaluated using beta-Gal enzyme activity assays and histochemical staining.
Main Results:
- The experimental group showed detectable beta-Gal enzyme activity from 2 to 30 days post-injection.
- Histochemical staining was negative in the experimental group, while positive in the control group.
- No enzyme activity was detected in the control group at any time point.
Conclusions:
- Direct transfer and bioactive expression of exogenous genes in peripheral nerves are achievable.
- Gene therapy holds practical potential for accelerating peripheral nerve recovery and regeneration.