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Regulated cell death pathways in the sodium iodate model: Insights and implications for AMD
Mala Upadhyay1, Vera L Bonilha2
1Cole Eye Institute, Ophthalmic Research, Cleveland Clinic, Cleveland, OH, 44195, USA.
Experimental Eye Research
|November 16, 2023
Summary
The sodium iodate (NaIO3) model mimics dry age-related macular degeneration (AMD) by causing retinal cell death. This review focuses on how NaIO3-induced oxidative stress leads to RPE cell death, offering insights into AMD pathogenesis.
Area of Science:
- Ophthalmology
- Cell Biology
- Toxicology
Background:
- Dry age-related macular degeneration (AMD) involves retinal pigment epithelium (RPE) cell death.
- The sodium iodate (NaIO3) preclinical model effectively replicates key features of dry AMD.
- This model allows for longitudinal studies of retinal structure and RPE degeneration.
Purpose of the Study:
- To review the mechanisms of RPE cell death induced by sodium iodate (NaIO3).
- To focus on apoptosis, necroptosis, ferroptosis, and pyroptosis in NaIO3-treated RPE cells.
- To highlight the relevance of NaIO3 studies for understanding AMD-related vision loss.
Main Methods:
- Review of existing literature on NaIO3-induced RPE cell death.
- Analysis of in vivo and in vitro studies using NaIO3.
- Examination of different cell death modalities.
Main Results:
- NaIO3 exposure leads to RPE loss, photoreceptor damage, and choriocapillaris death.
- Multiple cell death pathways (apoptosis, necroptosis, ferroptosis, pyroptosis) are implicated in NaIO3-induced RPE degeneration.
- NaIO3 model demonstrates time- and dose-dependent degeneration.
Conclusions:
- The NaIO3 model is crucial for studying dry AMD pathogenesis.
- Understanding NaIO3-induced RPE cell death mechanisms provides insights into AMD.
- This research aids in developing potential therapeutic strategies for AMD.
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