Scientists Find That the Loss of a “Youth” Protein Could Drive Aging

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Mice without a protective protein in their eyes have symptoms resembling age-related macular degeneration. According to a recent National Eye Institute (NEI) study in mice, loss of the protein pigment epithelium-derived factor (PEDF), which protects retinal support cells, may promote age-related changes in the retina. Age-related retinal diseases, such as age-related macular degeneration (AMD), ...

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