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Diabetic blindness caused and reversed "trapped" immune cells in rodent retinas

Johns Hopkins researchers have discovered a cell signaling pathway in mice that triggers vision loss in patients with diabetic retinopathy and retinal vein occlusion – diseases characterized by the closure of blood vessels in the retina, leading to blindness. In experiments that suppressed vascular endothelial growth factor (VEGF) in the eye, researchers were able to re-establish normal blood flow in the retina, offering a potential means of stalling or even reversing diabetes-related blindness.

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