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Cysteinesulfinate decarboxylase activity as an index of taurine-containing structures

✍ Scribed by Wm. A. Staines; A. M. Benjamin; Dr. E. G. McGeer


Book ID
102382831
Publisher
John Wiley and Sons
Year
1980
Tongue
English
Weight
457 KB
Volume
5
Category
Article
ISSN
0360-4012

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✦ Synopsis


Abstract

The distribution of cysteinesulfinic acid decarboxylase (CSAD) activity has been studied for some time on the assumption that this activity was a marker for taurine‐containing structures in the CNS. We have found that various in vivo and in vitro treatments of CNS tissues result in parallel changes in the activities of CSAD and glutamic acid decarboxylase (GAD). This suggests that the assay for CSAD is in fact measuring predominantly GAD activity. This hypothesis is tested by lesion, regional distribution, kinetic, inhibitor, and stability studies.


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