A new report published online in The FASEB Journal may lead the way toward new treatments or a cure for a common cause of blindness (proliferative retinopathies). Specifically, scientists have discovered that the body’s innate immune system does more than help ward off external pathogens. It also helps remove sight-robbing abnormal blood vessels, while leaving healthy cells and tissue intact. This discovery is significant as the retina is part of the central nervous system and its cells cannot be replaced once lost. Identifying ways to leverage the innate immune system to “clean out” abnormal blood vessels in the retina may lead to treatments that could prevent or delay blindness, or restore sight.
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