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Sulforaphane and ophthalmic diseases
Yichi Zhang1, Xiaojing Zhao1, Yang Liu1
1Department of Ophthalmology The Fifth Affiliated Hospital of Sun Yat-sen University Zhuhai China.
Food Science & Nutrition
|August 14, 2024
Summary
Sulforaphane (SFN), a compound from cruciferous vegetables, shows promise for treating eye diseases like diabetic retinopathy and macular degeneration by reducing cell degeneration. Further research is needed to overcome delivery challenges for effective ophthalmic treatment.
Area of Science:
- Biochemistry
- Pharmacology
- Ophthalmology
Background:
- Sulforaphane (SFN) is an isothiocyanate (ITC) found in cruciferous vegetables.
- SFN exhibits anti-diabetic, anti-inflammatory, antimicrobial, anti-angiogenic, and anticancer properties.
- SFN is derived from glucoraphanin (GRP) via myrosinase hydrolysis.
Purpose of the Study:
- To review recent research on sulforaphane's therapeutic potential for ophthalmic diseases.
- To elucidate SFN's mechanisms of action in ocular conditions.
- To discuss future research directions for efficient SFN treatment in ophthalmology.
Main Methods:
- Review of preclinical studies involving animal models (murine, rabbit) and cell cultures.
- Analysis of SFN's effects on pathways like Nrf2, NF-κB, AMPK, and Txnip/mTOR.
- Investigation of SFN delivery methods (oral, intraperitoneal injection).
Main Results:
- SFN delays photoreceptor cell degeneration in murine models of diabetic retinopathy and age-related macular degeneration (AMD).
- SFN protects corneal and lens epithelial cells from oxidative stress in rabbit models of keratoconus and cataract.
- SFN activates key antioxidant pathways, including Keap1-Nrf2-ARE and Nrf-2/HO-1.
Conclusions:
- Sulforaphane demonstrates significant protective effects against various ophthalmic diseases.
- Challenges in SFN's ocular application include poor water solubility and bioavailability due to the blood-ocular barrier.
- Further research is crucial to optimize SFN delivery for effective ophthalmic disease treatment.
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