Molecular Insights Into Carotenoid-Based Interventions for Diabetic Retinopathy
Chengzhi Liu1, Xinyu Wang1, Mingyue Liu1
1Beijing Ophthalmology and Visual Science Key Lab, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China.
Abstract:
Diabetic retinopathy (DR) is one of the leading causes of blindness in adults, primarily driven by hyperglycaemia in the retinal tissue. The role of antioxidant phytochemicals, particularly carotenoids, has gained attention due to their potential in mitigating these damaging processes. Carotenoids exhibit strong antioxidant properties by neutralising reactive oxygen species and reducing inflammation. This review aims to provide a comprehensive analysis of the molecular mechanisms by which these carotenoids exert protective effects on the retina, focusing on their role in combating oxidative stress, preserving retinal integrity and preventing neovascularization associated with DR. By highlighting key findings from recent studies, we underscore the therapeutic potential of carotenoids as natural interventions in preventing or slowing the progression of DR. Further research into their bioavailability, dosage and long-term effects may pave the way for carotenoid-based treatments in the clinical management of DR.
Insights
Carotenoids, natural antioxidants, show promise in protecting the retina from diabetic retinopathy (DR) damage. Further research may lead to carotenoid-based treatments for this leading cause of adult blindness.
Area of Science:
- Ophthalmology
- Nutritional Science
- Molecular Biology
Background:
- Diabetic retinopathy (DR) is a major cause of adult blindness, linked to high blood sugar damaging retinal tissue.
- Antioxidant phytochemicals, especially carotenoids, are being investigated for their potential to counteract these damaging effects.
- Carotenoids neutralize harmful reactive oxygen species and reduce inflammation, offering a potential protective mechanism.
Purpose of the Study:
- To comprehensively analyze the molecular mechanisms of carotenoid action in retinal protection against DR.
- To focus on how carotenoids combat oxidative stress, maintain retinal integrity, and prevent neovascularization in DR.
- To highlight the therapeutic potential of carotenoids as natural interventions for DR.
Main Methods:
- Literature review of recent studies on carotenoids and diabetic retinopathy.
- Analysis of molecular pathways involved in oxidative stress and inflammation in the retina.
- Examination of carotenoid's role in preventing retinal neovascularization.
Main Results:
- Carotenoids demonstrate significant antioxidant properties, neutralizing reactive oxygen species and reducing inflammation.
- Evidence suggests carotenoids help preserve retinal integrity and may prevent pathological neovascularization.
- Key findings underscore the potential of carotenoids in mitigating DR progression.
Conclusions:
- Carotenoids possess therapeutic potential as natural agents against diabetic retinopathy.
- Understanding their molecular mechanisms supports their role in combating DR-induced retinal damage.
- Further investigation into bioavailability and dosage is needed for clinical application.
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