Journal
NEUROSCIENCE LETTERS
Volume 319, Issue 1, Pages 25-28Publisher
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0304-3940(01)02514-9
Keywords
diffuse Lewy body disease; hydroxynonenal; Lewy body; N '-(carboxymethyl)lysine; lipid peroxidation; oxidative stress; Parkinson disease
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Funding
- NIA NIH HHS [AG12429] Funding Source: Medline
- NINDS NIH HHS [NS38648] Funding Source: Medline
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Multiple lines of evidence indicate that oxidative stress is a critical pathogenic factor in Parkinson disease (PD) and diffuse Lewy body disease (DLBD). Previously, we demonstrated increased levels of redox-active iron in Lewy bodies, and that Lewy bodies accumulate advanced glycation end-products. To further characterize the role of oxidative stress in diseases with Lewy body formation, we examined immunocytochemically eight cases of PD and five cases of DLBD for adducts of the lipid peroxidation adduct 4-hydroxy-2-nonenal, and for N-epsilon-(carboxymethyl) lysine (CIVIL). Our findings demonstrate immunolocalization of 4-hydroxynonenal and CML to Lewy bodies in PD and DLBD. These findings not only support prior studies indicating that lipid peroxidation is increased in patients with PD and DLBD but that oxidative damage may play a critical role in Lewy body formation. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.
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