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

Catechol-O-methyltransferase and Parkinson's disease.

OMD inhibits L-DOPA utilization in rat corpus striatum. This effect is probably mediated through competition with L-DOPA for brain uptake mechanism. Such competition may explain the inhibition exerted by OMD on L-DOPA-induced rotation in rats with unilateral destruction of the nigrostriatal pathway. U-0521, a potent COMT inhibitor, was shown, after i.p. injection, to effectively block the accumulation of OMD in the plasma and to enhance L-DOPA metabolism in rat brain. This drug, however, was not active when given orally to rats and to a single patient with Parkinson's disease. It is suggested that the combined use of L-DOPA plus an orally active COMT inhibitor may be useful in future treatment of Parkinson's disease.[1]

References

  1. Catechol-O-methyltransferase and Parkinson's disease. Reches, A., Fahn, S. Advances in neurology. (1984) [Pubmed]
 
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