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Dopamine Inactivates Tryptophan Hydroxylase and Forms a Redox-Cycling Quinoprotein: Possible Endogenous Toxin to Serotonin Neurons

Exposure of tryptophan hydroxylase (TPH), the initial and rate-limiting enzyme in the biosynthesis of the neurotransmitter serotonin, to dopamine under mild oxidizing conditions (iron + H(2)O(2)) or in the presence of tyrosinase results in a concentration-dependent inactivation of the enzyme. Dopami...

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Bibliographic Details
Published in:J Neurosci
Main Authors: Kuhn, Donald M., Arthur, Robert
Format: Artigo
Language:Inglês
Published: Society for Neuroscience 1998
Subjects:
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC6793230/
https://ncbi.nlm.nih.gov/pubmed/9736634
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1523/JNEUROSCI.18-18-07111.1998
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