Abstract

Orthograde fast oxonal transport was almost completely blocked one day after the intraocular injection of 10–100 μg of vinblastine (VLB), then recovered gradually for up to 2 months. Recovery was not complete, however; There was a definite relationship between the dose of VLB administered and the degree of recovery of fast axonal transport. Retinal protein synthesis was reduced by intraocular VLB, but there was no relationship between the dose administered and the amount of reduction of protein synthesis. Cytotoxicity of VLB to the retina is less probable. The participation of retrograde axonal transport in the metabolism of cell bodies is discussed.

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