Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
10
pubmed:dateCreated
2003-5-14
pubmed:abstractText
Parkinson's disease (PD) is a neurodegenerative disorder of uncertain pathogenesis characterized by a loss of substantia nigra pars compacta (SNpc) dopaminergic (DA) neurons, and can be modeled by the neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP). Both inflammatory processes and oxidative stress may contribute to MPTP- and PD-related neurodegeneration. However, whether inflammation may cause oxidative damage in MPTP and PD is unknown. Here we show that NADPH-oxidase, the main reactive oxygen species (ROS)-producing enzyme during inflammation, is up-regulated in SNpc of human PD and MPTP mice. These changes coincide with the local production of ROS, microglial activation, and DA neuronal loss seen after MPTP injections. Mutant mice defective in NADPH-oxidase exhibit less SNpc DA neuronal loss and protein oxidation than their WT littermates after MPTP injections. We show that extracellular ROS are a main determinant in inflammation-mediated DA neurotoxicity in the MPTP model of PD. This study supports a critical role for NADPH-oxidase in the pathogenesis of PD and suggests that targeting this enzyme or enhancing extracellular antioxidants may provide novel therapies for PD.
pubmed:grant
pubmed:commentsCorrections
http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-10029572, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-10318960, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-10574926, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-10581083, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-10627630, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-10800968, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-10969076, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-11062131, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-11208927, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-11238711, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-11880505, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-12068076, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-1578260, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-1978225, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-2033514, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-2052148, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-2167668, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-7530297, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-7758583, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-8581558, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-8737406, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-8778284, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-9636206, http://linkedlifedata.com/resource/pubmed/commentcorrection/12721370-9848095
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0027-8424
pubmed:author
pubmed:issnType
Print
pubmed:day
13
pubmed:volume
100
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
6145-50
pubmed:dateRevised
2009-11-18
pubmed:meshHeading
pubmed-meshheading:12721370-1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine, pubmed-meshheading:12721370-Animals, pubmed-meshheading:12721370-Base Sequence, pubmed-meshheading:12721370-DNA Primers, pubmed-meshheading:12721370-Disease Models, Animal, pubmed-meshheading:12721370-Humans, pubmed-meshheading:12721370-In Situ Hybridization, pubmed-meshheading:12721370-Male, pubmed-meshheading:12721370-Mice, pubmed-meshheading:12721370-Mice, Inbred C57BL, pubmed-meshheading:12721370-Mice, Knockout, pubmed-meshheading:12721370-Microglia, pubmed-meshheading:12721370-NADPH Oxidase, pubmed-meshheading:12721370-Oxidative Stress, pubmed-meshheading:12721370-Parkinsonian Disorders, pubmed-meshheading:12721370-Reactive Oxygen Species, pubmed-meshheading:12721370-Reverse Transcriptase Polymerase Chain Reaction, pubmed-meshheading:12721370-Superoxides
pubmed:year
2003
pubmed:articleTitle
NADPH oxidase mediates oxidative stress in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine model of Parkinson's disease.
pubmed:affiliation
Department of Neurology, Columbia University, New York, NY 10032, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, U.S. Gov't, Non-P.H.S., Research Support, Non-U.S. Gov't