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16 June 2014 - MedicalXpress - Omega-3 inhibits blood vessel growth in age-related macular degeneration

Researchers demonstrated that dietary supplementation of omega 3 long-chain polyunsaturated fatty acids mediates choroidal neovessel regression in neovascular AMD

Web URL: Read the full news item on the MedicalXpress website here

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The related research article can be found here: Yanai et al 2014 - Cytochrome P450-generated metabolites derived from ω-3 fatty acids attenuate neovascularization
Age-related macular degeneration (AMD), which is characterized by choroidal neovascularization (CNV), or blood vessel growth, is the primary cause of blindness in elderly individuals of industrialized countries. The prevalence of the disease is projected to increase 50% by the year 2020.

Researchers from Massachusetts Eye and Ear/Schepens Eye Research Institute, Harvard Medical School and other institutions have demonstrated for the first time that the omega (ω)-3 long-chain polyunsaturated fatty acids (LCPUFAs), DHA and EPA, and their specific bioactive products derived from the cytochrome P450 (CYP) pathway, can influence choroidal neovascularization (CNV) and vascular leakage by modulating micro-environmental immune cell recruitment to the site of these lesions. Their findings will be published in PNAS Online Early Edition the week of June 16-20, 2014.

"Given the prevalence of neovascular eye disease, the potential impact of this study is highly significant. We have identified unique endogenous lipid biometabolites that are able to inhibit pathologic retinal angiogenesis, a major driver of vision loss worldwide. It is our hope that future studies will allow us to develop specific therapeutics that harness this knowledge resulting in a greater visual outcome and quality of life for patients suffering from these sight-threatening diseases," said lead author Ryoji Yanai, M.D., Ph.D.

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