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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Decreased adenosine cyclic 3',5'-monophosphate phosphodiesterase activity in rat brain following triethyltin intoxication.

The possible involvement of cerebral cAMP-phosphodiesterase (PDE) in the intoxication and brain edema formation after exposure to triethyltin (TET) has been studied in vitro and in vivo in the rat. In vitro studies showed an irreversible inhibition of the particulate and soluble phosphodiesterase activities. In vivo, both high i.v. single dose and repeated oral administration of low TET doses led to a significant decrease of the particulate activities. Phosphodiesterase inhibition preceded edema formation. The soluble activities were less influenced and their inhibition could be a consequence of the edema formed in the brain tissue rather than of a TET direct action upon the enzyme. Kinetic analysis of the brain particulate enzyme from the TET-treated rats showed a significant decrease in the Vmax of the substrate high affinity enzyme form when compared to controls.[1]

References

  1. Decreased adenosine cyclic 3',5'-monophosphate phosphodiesterase activity in rat brain following triethyltin intoxication. Macovschi, O., Prigent, A.F., Nemoz, G., Pageaux, J.F., Pacheco, H. Biochem. Pharmacol. (1984) [Pubmed]
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