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Gene therapy is a technique where a gene is inserted into a person’s cells to prevent or treat a serious disease. The added gene may be a healthy version of the gene that is mutated in the patient, or it could be a different gene that inactivates or compensates for the patient’s disease-causing gene. For example, in patients with severe combined immunodeficiency (SCID) due to a mutation in the gene for the enzyme adenosine deaminase, a functioning version of the gene can be...
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Updated: Mar 29, 2026

Limbal Approach-Subretinal Injection of Viral Vectors for Gene Therapy in Mice Retinal Pigment Epithelium
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Retinal Gene Therapy: Current Progress and Future Prospects.

Cristy A Ku1, Mark E Pennesi2

  • 1Center for Neuroscience, Robert C. Byrd Health Sciences Center, West Virginia University, Morgantown, West Virginia, 26505, USA.

Expert Review of Ophthalmology
|November 27, 2015
PubMed
Summary
This summary is machine-generated.

Retinal gene therapy for inherited retinal dystrophy shows promise, driving innovation in gene vectors for safer and more effective ocular treatments. Future research focuses on advanced vectors to address diverse retinal dysfunctions.

Keywords:
RPE65adeno-associated virusequine infectious anemia virusgene therapyinherited retinal dystrophies

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Area of Science:

  • Ophthalmology
  • Genetics
  • Molecular Biology

Background:

  • Inherited retinal dystrophies (IRDs) are a group of genetic disorders affecting the retina.
  • Mutations in the RPE65 gene have been a key focus for early retinal gene therapy trials.
  • Previous gene therapy successes and limitations have spurred the development of improved gene delivery vectors.

Purpose of the Study:

  • To review advancements in gene therapy for inherited retinal dystrophies.
  • To highlight the development of novel gene vectors for ocular gene therapy.
  • To discuss the potential of these new vectors in treating various retinal dysfunctions.

Main Methods:

  • Review of clinical trial outcomes for RPE65-mediated inherited retinal dystrophy.
  • Analysis of pre-clinical studies on novel gene vectors.
  • Examination of strategies to improve gene vector safety, efficiency, and cargo capacity.

Main Results:

  • Early clinical trials for RPE65 mutations have established retinal gene therapy as a viable treatment approach.
  • Novel gene vectors are being developed to enhance transduction efficiency and safety in retinal cells.
  • New strategies aim to overcome limitations of existing vectors, such as packaging capacity and targeting specific disease mechanisms.

Conclusions:

  • Advances in gene vector technology are crucial for the future of ocular gene therapy.
  • Novel vectors hold significant potential for treating a wider range of inherited retinal dystrophies.
  • Continued research and development in gene vectors promise to expand therapeutic options for patients with retinal conditions.