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Published on: June 30, 2023
Regulation of angiogenesis by macrophages
1Barnes Retina Institute, Washington University School of Medicine, St. Louis, MO 63110, USA. apte@vision.wustl.edu
Abstract:
Abnormal angiogenesis is a cardinal feature in the pathophysiology of several diseases of the retina including retinopathy of prematurity, diabetic retinopathy and choroidal neovascularization associated with age-related macular degeneration. Recent evidence has implicated macrophages as components of the innate immune system that play a key role in regulating angiogenesis in the retina and choroid. This review will focus on the role of macrophages in regulating ocular angiogenesis.
Insights
Macrophages regulate blood vessel growth in the eye. This review explores their role in retinal diseases like diabetic retinopathy and age-related macular degeneration, highlighting their importance in ocular angiogenesis.
Area of Science:
- Ophthalmology
- Immunology
- Vascular Biology
Background:
- Abnormal blood vessel formation (angiogenesis) is central to retinal diseases.
- Conditions like retinopathy of prematurity, diabetic retinopathy, and age-related macular degeneration involve aberrant ocular angiogenesis.
- Macrophages, part of the innate immune system, are increasingly recognized for their role in regulating this process.
Purpose of the Study:
- To review the critical role of macrophages in regulating angiogenesis within the retina and choroid.
- To consolidate current understanding of macrophage involvement in ocular vascular diseases.
Main Methods:
- Literature review of recent evidence on macrophages and ocular angiogenesis.
- Focus on studies investigating the interplay between macrophages and blood vessel development in the eye.
Main Results:
- Macrophages are key regulators of both normal and abnormal angiogenesis in the retina and choroid.
- Evidence implicates macrophages in the pathophysiology of major blinding retinal diseases.
Conclusions:
- Macrophages are crucial players in ocular angiogenesis.
- Targeting macrophage function represents a potential therapeutic strategy for retinal vascular diseases.
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