Proceedings of the National Academy of Sciences of the United States of America · 1991
Nerve growth factor prevents the amblyopic effects of monocular deprivation.
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Domenici L, Berardi N, Carmignoto G, Vantini G, Maffei L
Аннотация
Monocular deprivation early in life causes dramatic changes in the functional organization of mammalian visual cortex and severe reduction in visual acuity and contrast sensitivity of the deprived eye. We tested whether or not these changes could be from competition between the afferents from the two eyes for a target-derived neurotrophic factor. Rats monocularly deprived during early postnatal development were treated with repetitive intraventricular injections or topical administration of nerve growth factor. The effects of monocular deprivation were then assessed electrophysiologically. In untreated animals visual acuity and contrast sensitivity of the deprived eye were strongly reduced, whereas in nerve growth factor-treated animals these parameters were normal.