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An Alkali-burn Injury Model of Corneal Neovascularization in the Mouse
Published on: April 7, 2014
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Exploring Corneal Neovascularization: An Integrated Approach Using Transcriptomics and Proteomics in an Alkali Burn
Wei Wang1, Manli Deng1, Min Li1
1Department of Ophthalmology, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, China.
Investigative Ophthalmology & Visual Science
|January 8, 2024
Summary
Alkali burns cause corneal neovascularization (CNV) by altering 41 gene expressions. Understanding these angiogenesis-related molecules may lead to new treatments for CNV, improving vision.
Area of Science:
- Ophthalmology
- Molecular Biology
- Genomics
Background:
- Corneal neovascularization (CNV) is a significant cause of vision impairment.
- Alkali burns are a common cause of corneal injury and subsequent CNV.
- Identifying molecular mechanisms underlying CNV is crucial for developing effective therapies.
Purpose of the Study:
- To investigate the molecular changes in corneal neovascularization (CNV) induced by alkali burns.
- To understand the mechanisms driving CNV development.
- To identify potential therapeutic targets for CNV.
Main Methods:
- Corneal neovascularization (CNV) models were established in mice using alkali burns.
- Integrated transcriptomic (RNA-seq) and proteomic analyses were performed on normal and burned corneas.
- Bioinformatics approaches (GO, KEGG) identified differentially expressed genes (DEGs) and signaling pathways. Validation was done using qRT-PCR and Western blot.
Main Results:
- Significant CNV was observed by day 7 post-burn.
- Forty-one genes showed differential expression (15 upregulated, 26 downregulated) at both mRNA and protein levels.
- DEGs were involved in retinol metabolism, neutrophil chemotaxis, and actin assembly; key pathways included cytochrome P450 and amino acid metabolism. LCP1 and CSRP2 were upregulated; TGM2 and TGFBI were downregulated.
Conclusions:
- Gene expression analysis revealed 41 altered genes in mouse corneas 7 days after alkali burns.
- While the precise role of these genes in CNV requires further investigation, they represent potential targets for CNV treatment or prevention.
- Exploring angiogenesis-related molecules identified in this study may offer new therapeutic strategies for corneal neovascularization.
