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Related Experiment Video

Updated: Jun 19, 2025

Induction of Ocular Surface Inflammation and Collection of Involved Tissues

Induction of Ocular Surface Inflammation and Collection of Involved Tissues

Published on: August 4, 2022

Neutrophils in Ocular Diseases.

Sridhar Bammidi¹, Victoria Koontz¹, Pooja Gautam¹

¹Department of Ophthalmology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15219, USA.

International Journal of Molecular Sciences

|July 27, 2024

Summary

Neutrophils are key players in eye diseases, contributing to both defense and damage through inflammation and NETosis. Targeting neutrophil functions offers promising therapeutic strategies for various ocular conditions.

Keywords:

NETosis cancer infection inflammation innate immune cell neutrophils retinal degeneration

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Area of Science:

Ophthalmology
Immunology
Cell Biology

Background:

Neutrophils are traditionally recognized as primary immune cells responding to infection and injury.
Emerging evidence highlights their complex and varied roles in maintaining ocular health and driving disease pathogenesis.

Purpose of the Study:

To review and synthesize current knowledge on the multifaceted contributions of neutrophils in ocular diseases.
To explore the potential of targeting neutrophil-mediated pathways for therapeutic interventions in ophthalmology.

Main Methods:

Literature review and synthesis of existing research findings.
Analysis of neutrophil functions in ocular infections, neuropathies, and degenerative diseases.
Evaluation of neutrophil extracellular trap formation (NETosis) and inflammatory molecule secretion.

Main Results:

Neutrophils are crucial for host defense in ocular infections by orchestrating inflammatory responses.
In optic nerve neuropathies, age-related macular degeneration (AMD), and diabetic retinopathy (DR), neutrophils contribute to neuroinflammation and tissue damage.
Neutrophil extracellular trap formation (NETosis) and inflammatory mediator release are key mechanisms involved in ocular pathology.

Conclusions:

Neutrophils exhibit diverse roles in ocular health and disease, acting as both protective and detrimental factors.
Targeting neutrophil-dependent processes presents a promising therapeutic avenue for ocular infections, cancers, and retinal degenerative diseases.
A comprehensive understanding of neutrophil involvement is essential for developing effective treatments to improve patient outcomes in ophthalmology.