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Preclinical Retinal Disease Models and CRO Solutions
Integrated Models and Research Capabilities for Retinal Disease Studies
Cyagen’s retinal research platform supports preclinical studies across model development, study design, in vivo execution, longitudinal monitoring, endpoint analysis, and therapeutic evaluation. By combining disease-relevant in vivo systems with standardized workflows and multidisciplinary scientific expertise, we help researchers generate reliable, decision-ready data for retinal disease research and ophthalmic drug development.
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Explore Inducible and Surgical Models
| Model name | Key Mechanism | Pathology & Clinical Relevance | Action |
|---|---|---|---|
| MNU-Induced Retinitis Pigmentosa Model | Systemic administration of N-methyl-N-nitrosourea (MNU) to induce dose-dependent photoreceptor cell death | Mimics progressive retinal degeneration and visual dysfunction associated with retinitis pigmentosa. | |
| Y79 Cell-Induced Retinoblastoma Model | Subretinal implantation of human Y79 retinoblastoma cells in immunodeficient NKG mice | Recapitulates human intraocular tumor growth and retinal infiltration, supporting the evaluation of anticancer therapies. | |
| Laser-Induced Central Retinal Vein Occlusion Model | Rose bengal administration followed by targeted retinal laser irradiation to induce vascular thrombosis and venous occlusion | Mimics retinal edema, hemorrhage, ischemia, and structural damage associated with central retinal vein occlusion. | |
| Two-Stage Laser-Induced Subretinal Fibrosis Model | Sequential retinal laser treatments on days 0 and 7 to promote sustained inflammation and fibrotic scar formation | Mimics progressive subretinal fibrosis associated with advanced neovascular AMD and polypoidal choroidal vasculopathy. | |
| Laser-Induced Traumatic Optic Neuropathy Model | Targeted Nd laser exposure generates a localized photodisruptive shockwave, inducing focal retinal ganglion cell injury | Recapitulates retinal ganglion cell loss, retinal nerve fiber layer thinning, and impaired visual function associated with traumatic optic neuropathy, supporting the evaluation of neuroprotective and regenerative therapies. |
Discover additional age-related macular degeneration models designed to support AMD pathogenesis research and preclinical therapeutic evaluation.
Relevant Genetic Models
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Human iPSC-Derived Retinal Cell Models





Discover Cyagen’s human iPSC platform for retinal, neural, and other disease-relevant applications. The platform integrates iPSC-derived cell models, gene-edited iPSC solutions, and custom development services to support disease modeling, drug discovery, and translational research.
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Precision Ocular Drug Delivery for Retinal Studies
- Intravitreal Injection – direct administration into the vitreous cavity for retinal drugs, biologics, gene therapies, anti-angiogenic agents, and intraocular oncology treatments
- Subretinal Injection – localized delivery between the neural retina and retinal pigment epithelium for therapies targeting photoreceptors, RPE cells, or inherited retinal disorders
In Vivo Retinal Imaging and Functional Readouts
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| Analysis Category | Specific Services | Key Applications in Retinal Disease Research |
|---|---|---|
| Ocular Tissue Collection and Processing | Precise dissection of the retina, RPE–choroid complex, optic nerve, vitreous, aqueous humor, cornea, lens, iris, choroid, and sclera | Preserve tissue morphology and biomarker integrity for downstream histological, molecular, and PK/PD analyses. |
| Paraffin embedding and frozen section preparation | Generate ocular sections suitable for morphological assessment, protein localization, and quantitative biomarker analysis. | |
| Retinal and RPE–choroid flat-mount preparation | Enable spatial analysis of retinal cells, vascular networks, extracellular matrix deposition, and lesion architecture. | |
| Histopathology and Morphometry | H&E staining | Examine retinal layer integrity, photoreceptor degeneration, edema, tissue disruption, tumor infiltration, and treatment-associated tissue preservation. |
| Quantitative retinal morphometry | Measure outer nuclear layer thickness, total retinal thickness, lesion area, tumor burden, and other disease-relevant structural endpoints. | |
| Pathology scoring | Provide standardized grading of retinal degeneration, inflammation, tissue injury, fibrosis, and therapeutic response. | |
| Spatial Biomarker Analysis | Immunohistochemistry and immunofluorescence | Localize and quantify disease-associated proteins and cellular changes in retinal sections and ocular flat mounts. |
| IB4, collagen I, and α-SMA staining | Assess vascular remodeling, myofibroblast activation, extracellular matrix deposition, and fibrotic lesion formation. | |
| Gene Expression Profiling | qPCR and RT-PCR | Quantify genes associated with retinal degeneration, inflammation, angiogenesis, extracellular matrix remodeling, and fibrosis. |
| Droplet digital PCR (ddPCR) | Enable sensitive absolute quantification of low-abundance transcripts, vector genomes, and biodistribution-related nucleic acid targets. | |
| Protein and Soluble Biomarker Analysis | Western blotting | Evaluate protein expression and signaling pathways associated with disease progression and therapeutic mechanism of action. |
| ELISA | Measure cytokines, growth factors, and secreted biomarkers in ocular tissues and biological fluids. | |
| Cellular Profiling | Flow cytometry and cell sorting | Characterize immune, vascular, tumor, and other ocular cell populations using multiparametric biomarker panels. |
