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 "Inflammatory" molecule in Lewy body disease 
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Post "Inflammatory" molecule in Lewy body disease
Here's an article by German researchers, looking for a biomarker for Lewy body disease. (Parkinson's Disease, Lewy Body Dementia, and Parkinson's Disease Dementia are all Lewy body diseases.) A particular molecule, which "is increased in inflammatory states," occurred in the cerebrospinal fluid of those with Lewy body disease patients.

Journal of Neural Transmission. 2009 Apr 2. [Epub ahead of print]

A single-nucleotide polymorphism of the osteopontin gene may contribute to a susceptibility to Lewy body disease.

Maetzler W, Michelis J, Tomiuk J, Melms A, Becker C, Gasser T, Schulte C, Berg D.
Department of Neurodegenerative Diseases, Hertie Institute for Clinical Brain Research, University of Tuebingen, Tübingen, Germany

In Lewy body disease, inflammation is discussed to be involved in the pathophysiological cascade. Osteopontin (OPN) is a multifunctional molecule, which is increased in inflammatory states. Here, we analyzed the allele frequency of two SNPs of the OPN gene, serum, and CSF OPN levels in Lewy body disease patients and controls. In accordance with our previous findings, we detected increased serum (P = 0.006) and CSF OPN levels (P = 0.0003) in the Lewy body disease cohort, compared to non-Lewy body disease subjects. The genotypic variation of SNP-66 was associated with the occurrence of Lewy body disease (odds ratio: 2.64, 95% CI 1.07-6.54, unadjusted P = 0.036). SNP+1239 was not related to Lewy body disease prevalence (odds ratio 1.61, 95% CI 0.66-3.91, P = 0.29). Genotype prevalence and OPN levels were not significantly related. These findings suggest that OPN is associated with the occurrence of Lewy body disease and SNP-66 may be a susceptibility factor.

PubMed ID#: 19340392

Fri Apr 03, 2009 6:15 pm
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