Looking at the tissue of the retina — the innermost, light-sensitive layer of the eye — may be a way to monitor Sanfilippo progression and treatment outcomes, a study has found. In a mouse model of the disease retinal lesions emerged very early, even before the appearance of the first symptoms, and paralleled degenerative lesions found in the brain. The study, “Is the eye a window to the brain in Sanfilippo syndrome?,” was published in the journal Acta…

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