doi: 10.1254/jjp.59.477.
Tryptophan inhibits the [3H]glutamate uptake into Xenopus oocytes injected with rat brain mRNA
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- PMID: 1359181
- DOI: 10.1254/jjp.59.477
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Tryptophan inhibits the [3H]glutamate uptake into Xenopus oocytes injected with rat brain mRNA
Jpn J Pharmacol.
1992 Aug.
Free article
Abstract
We characterized the glutamate (Glu) uptake in Xenopus oocytes injected with rat brain mRNA. The Glu uptake into oocytes was higher in mRNA-injected oocytes than in vehicle-injected ones. Na+ omission or addition of tryptophan inhibited the uptake in mRNA-injected oocytes, although it did not affect that in vehicle-injected oocytes. These results suggest that Glu transporters with a tryptophan sensitivity different from that of Glu transporters in native oocytes are expressed after injection of rat brain mRNA.
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