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Author Spotlight: Decoding Corneal Neovascularization with Alkali Burn Model for Future Therapeutic Strategies
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Author Spotlight: Decoding Corneal Neovascularization with Alkali Burn Model for Future Therapeutic Strategies

Published on: June 30, 2023

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Transcriptome Profiling of Neovascularized Corneas Reveals miR-204 as a Multi-target Biotherapy Deliverable by rAAVs

Yi Lu1, Phillip W L Tai2, Jianzhong Ai3

  • 1Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiaotong University, Shanghai 200080, China; Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai 200080, China; Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai 200080, China; Horae Gene Therapy Center, UMass Medical School, Worcester, MA 01605, USA.

Molecular Therapy. Nucleic Acids
|March 4, 2018
PubMed

Insights

Researchers discovered miR-204, a microRNA (miRNA), that can treat corneal neovascularization (NV). Delivered via gene therapy using recombinant adeno-associated viruses (rAAVs), this approach offers a safe and effective alternative for reducing blood vessel growth in the eye.

Area of Science:

  • Ophthalmology
  • Molecular Biology
  • Gene Therapy

Background:

  • Corneal neovascularization (NV) is a significant cause of vision loss driven by angiogenic factors.
  • Existing treatments for corneal NV have limitations, including frequent administration and variable efficacy.

Purpose of the Study:

  • To identify novel anti-angiogenic microRNAs (miRNAs) for treating corneal neovascularization.
  • To develop a gene therapy framework using recombinant adeno-associated viruses (rAAVs) for miRNA delivery.

Main Methods:

  • Differential expression analysis of miRNAs in alkali burn-induced mouse corneal neovascularization.
  • Bioinformatic prediction of miRNA targets among differentially expressed corneal mRNAs.
  • In vivo assessment of miR-204 delivery via rAAV in a mouse model of corneal NV.

Main Results:

  • Identified 39 differentially expressed miRNAs predicted to target over 5,500 mRNAs.
  • Demonstrated that rAAV-mediated delivery of miR-204 effectively reduced corneal vascularization in mice.
  • Showcased normalization of target genes and biological pathways by miR-204, attenuating neovascularization.

Conclusions:

  • miR-204 is a promising therapeutic miRNA for mitigating corneal neovascularization.
  • rAAV-based delivery of miR-204 represents a safe and efficacious gene therapy strategy for corneal disorders.
  • This study provides a framework for discovering and translating miRNAs into viable biotherapies for ocular diseases.
Keywords:
adeno-associated viruscorneal neovascularizationgene therapymiR-204microRNA

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