Reports

Transneuronal Transfer of Radioactivity in the Central Nervous System

Science  09 Apr 1971:
Vol. 172, Issue 3979, pp. 177-179
DOI: 10.1126/science.172.3979.177

Abstract

After injection of tritiated amino acid into the mouse eye, radioactivity appeared in the contralateral visual cortex, indicating that some material had been transferred from optic axons to lateral geniculate neurons. The radioactivity in the cortex was about 2 percent of that arriving in the geniculate, and most of it was contained in material that appeared to be protein.

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