Soluble 5'-Nucleotidase Activities in Rat Brain
- 1 January 1991
- journal article
- Published by Wiley in Journal of Neurochemistry
- Vol. 56 (1) , 141-146
- https://doi.org/10.1111/j.1471-4159.1991.tb02573.x
Abstract
5'-Nucleotidase activity was assayed in 105,000-g supernatants from rat brain by following conversion of [3H]AMP into adenosine. The effect of ATP on this process was complex and suggested the presence of at least two soluble 5'-nucleotidase activities: one inhibited by ATP and another activated by ATP. The relative proportions of these activities differed considerably among brain regions. Activity changes induced by hypothyroidism also suggested that these activities may be regulated independently. These findings may have consequences for the regional regulation of adenosine formation in the brain.Keywords
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