Title : Cyclooxygenase-2-deficient mice are resistant to 1-methyl-4-phenyl1, 2, 3, 6-tetrahydropyridine-induced damage of dopaminergic neurons in the substantia nigra.

Pub. Date : 2002 Sep 6

PMID : 12183047






6 Functional Relationships(s)
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1 MPTP (20 mg/kg, subcutaneously) was injected daily into COX-1- and COX-2-deficient mice and wild-type (WT) controls for five consecutive days. 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine cytochrome c oxidase II, mitochondrial Mus musculus
2 These results indicate that loss of COX-2 activity reduces MPTP-induced damage to the dopaminergic neurons of the SNc, but does not alter the levels of dopamine and its metabolites in the striatum. 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine cytochrome c oxidase II, mitochondrial Mus musculus
3 Interestingly, MPTP caused the same degree of loss of dopaminergic neurons in both COX-2(+/-) and COX-2(-/-) mice (20% loss). 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine cytochrome c oxidase II, mitochondrial Mus musculus
4 Interestingly, MPTP caused the same degree of loss of dopaminergic neurons in both COX-2(+/-) and COX-2(-/-) mice (20% loss). 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine cytochrome c oxidase II, mitochondrial Mus musculus
5 The results of this study indicate an important role of COX-2 in MPTP-induced neuronal degeneration and suggest the possibility that manipulation of the COX-2 could be an important target for therapeutic interventions in PD. 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine cytochrome c oxidase II, mitochondrial Mus musculus
6 The results of this study indicate an important role of COX-2 in MPTP-induced neuronal degeneration and suggest the possibility that manipulation of the COX-2 could be an important target for therapeutic interventions in PD. 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine cytochrome c oxidase II, mitochondrial Mus musculus