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Review explores ferroptosis in ocular microenvironment and potential therapeutic interventions

Review explores ferroptosis in ocular microenvironment and potential therapeutic interventions
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Key Takeaway
Note: Review highlights ferroptosis mechanisms in eye disease; therapeutic approaches remain preclinical.

This systematic review examines the role of ferroptosis—a form of regulated cell death—within the ocular microenvironment and its bidirectional crosstalk with the ocular immune system. The review focuses on how ferroptosis is implicated in driving neuroinflammation and tissue degeneration, evaluating emerging interventions such as natural and dietary compounds that may regulate ferroptosis, alongside advanced drug delivery systems including nanocarriers and hydrogels. No specific study population, sample size, comparator, or quantitative clinical outcomes are reported, as the review synthesizes preclinical and mechanistic evidence.

The main finding is that ferroptosis contributes to the disruption of the ocular microenvironment, promoting processes linked to degeneration. The review positions natural compounds and advanced delivery platforms as having therapeutic potential, but it does not provide efficacy data, effect sizes, or patient outcomes from clinical trials. Safety and tolerability information for any proposed interventions is not reported.

Key limitations include the review's focus on addressing current translational barriers from laboratory to clinic, indicating the evidence is primarily theoretical and preclinical. The authors note the work provides a roadmap for advancing ferroptosis-targeted therapies in ophthalmology. For clinicians, this review offers a mechanistic framework and highlights areas for future research, but it does not support immediate clinical application due to the absence of clinical trial data.

Study Details

Study typeSystematic review
EvidenceLevel 1
PublishedMar 2026
View Original Abstract ↓
Ferroptosis, a recently discovered type of programmed cell death (PCD) distinguished by iron overload and lipid peroxidation, differs fundamentally from necrosis, apoptosis, and autophagy. Emerging evidence indicates that ferroptosis is deeply implicated in the disruption of the ocular microenvironment, wherein both structural and immune cells are significantly compromised. Rather than being an isolated cellular event, ferroptosis actively engages in a complex bidirectional crosstalk with the ocular immune system, driving neuroinflammation and tissue degeneration. In this review, we shift the paradigm from traditional disease-specific descriptions to the underlying microenvironmental interactions that dictate ocular health. Furthermore, we systematically evaluate the therapeutic potential of emerging interventions. Specifically, we highlight the latest breakthroughs in utilizing natural and dietary compounds as potent ferroptosis regulators. Crucially, we address current translational limitations by exploring advanced drug delivery systems, such as nanocarriers and hydrogels, designed to effectively overcome the blood-retinal barrier (BRB) and improve targeted efficacy. Ultimately, this review provides a comprehensive roadmap for advancing ferroptosis-targeted therapies from the laboratory to clinical ophthalmology.
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