Reduced but not oxidized cerebrospinal fluid glutathione levels are lowered in Lewy body diseases
Identifieur interne : 001429 ( Main/Exploration ); précédent : 001428; suivant : 001430Reduced but not oxidized cerebrospinal fluid glutathione levels are lowered in Lewy body diseases
Auteurs : Walter Maetzler [Allemagne] ; Stefan P. Schmid [Allemagne] ; Isabel Wurster [Allemagne] ; Inga Liepelt [Allemagne] ; Alexandra Gaenslen [Allemagne] ; Thomas Gasser [Allemagne] ; Daniela Berg [Allemagne]Source :
- Movement Disorders [ 0885-3185 ] ; 2011-01.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
- Aged, Aged, 80 and over, Cerebrospinal fluid, Dementia (blood), Dementia (cerebrospinal fluid), Female, Glutathione, Glutathione (blood), Glutathione (cerebrospinal fluid), Glutathione Disulfide (blood), Glutathione Disulfide (cerebrospinal fluid), Humans, Lewy Body Disease (blood), Lewy Body Disease (cerebrospinal fluid), Lewy body dementia, Lewy body disease, Male, Middle Aged, Nervous system diseases, Parkinson Disease (blood), Parkinson Disease (cerebrospinal fluid), Parkinson disease, Parkinson's disease, age dependency, dementia with Lewy bodies, glutathione.
- MESH :
- chemical , blood : Glutathione, Glutathione Disulfide.
- blood : Dementia, Lewy Body Disease, Parkinson Disease.
- cerebrospinal fluid : Dementia, Glutathione, Glutathione Disulfide, Lewy Body Disease, Parkinson Disease.
- Aged, Aged, 80 and over, Female, Humans, Male, Middle Aged.
Abstract
Reduced (GSHR) but not oxidized glutathione (GSSG) has been shown to be dramatically altered in the substantia nigra (SN) of Lewy body disease (LBD) patients post mortem; but up to now, there is no convincing evidence that these changes can be monitored in vivo. We investigated GSHR and GSSG in rapidly processed cerebrospinal fluid (CSF) and plasma samples of 80 LBD and 35 control subjects and detected reduced CSF GSHR levels in LBD subjects. The reduction was negatively associated with age but not with disease‐associated parameters. Plasma GSHR, CSF GSSG, and plasma GSSG levels did not significantly differ between the groups. Our findings confirm the results from neuropathologic studies, which demonstrated an alteration of the glutathione system in LBD. We hypothesize that alterations of the glutathione system occur in a very early stage of the disease or may even represent a risk marker for LBD. © 2010 Movement Disorder Society
Url:
DOI: 10.1002/mds.23358
Affiliations:
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Le document en format XML
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<term>Dementia (cerebrospinal fluid)</term>
<term>Female</term>
<term>Glutathione</term>
<term>Glutathione (blood)</term>
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<term>Glutathione Disulfide (cerebrospinal fluid)</term>
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<term>Lewy Body Disease (cerebrospinal fluid)</term>
<term>Lewy body dementia</term>
<term>Lewy body disease</term>
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<term>Middle Aged</term>
<term>Nervous system diseases</term>
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<front><div type="abstract" xml:lang="en">Reduced (GSHR) but not oxidized glutathione (GSSG) has been shown to be dramatically altered in the substantia nigra (SN) of Lewy body disease (LBD) patients post mortem; but up to now, there is no convincing evidence that these changes can be monitored in vivo. We investigated GSHR and GSSG in rapidly processed cerebrospinal fluid (CSF) and plasma samples of 80 LBD and 35 control subjects and detected reduced CSF GSHR levels in LBD subjects. The reduction was negatively associated with age but not with disease‐associated parameters. Plasma GSHR, CSF GSSG, and plasma GSSG levels did not significantly differ between the groups. Our findings confirm the results from neuropathologic studies, which demonstrated an alteration of the glutathione system in LBD. We hypothesize that alterations of the glutathione system occur in a very early stage of the disease or may even represent a risk marker for LBD. © 2010 Movement Disorder Society</div>
</front>
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<name sortKey="Maetzler, Walter" sort="Maetzler, Walter" uniqKey="Maetzler W" first="Walter" last="Maetzler">Walter Maetzler</name>
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