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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Pentosidine and N(epsilon)-(carboxymethyl)-lysine in Alzheimer's disease and vascular dementia.

Increasing evidence suggests an interaction of oxidative stress and the formation of advanced glycation end products (AGE) in the onset and progression of Alzheimer's disease. We studied levels of pentosidine and N(epsilon)-(carboxymethyl)-lysine ( CML) in serum and cerebrospinal fluid (CSF) of 15 patients with probable Alzheimer's disease (AD), 20 patients with vascular dementia (VD), and 31 control subjects (14 matched for age, and 17 younger patients). AGE protein concentrations in CSF did not differ within controls when divided into two subgroups by age. We found significantly elevated levels of CML in CSF of AD patients and of pentosidine in CSF of patients suffering from vascular dementia when compared to controls. The concentrations of pentosidine and CML in serum apparently did not relate directly to CSF values, suggesting influence of extra-cerebral factors in serum samples. It is concluded that AGE proteins are differentially affected in these types of dementia, depending on the specific neuropathology. Furthermore, measurements of AGE products in vivo should rely on CSF rather than blood samples.[1]

References

  1. Pentosidine and N(epsilon)-(carboxymethyl)-lysine in Alzheimer's disease and vascular dementia. Bär, K.J., Franke, S., Wenda, B., Müller, S., Kientsch-Engel, R., Stein, G., Sauer, H. Neurobiol. Aging (2003) [Pubmed]
 
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