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

Immunochemical detection of imidazolone in uremia and rheumatoid arthritis.

The advanced glycation end-product imidazolone is formed by reaction of arginine with 3-deoxyglucosone (3-DG), a reactive intermediate of the Maillard reaction, whose formation is non-oxidative. Using an antibody specific to this 3-DG-derived AGE, we demonstrated the presence of imidazolone-modified proteins in vivo in the urine and dialysate of patients with chronic renal failure, in the synovial fluid of patients with rheumatoid arthritis, as well as in vitro in human serum and human serum albumin incubated with glucose. Furthermore, we could show that in uremic patients the dimeric form of beta(2)-microglobulin is more susceptible to imidazolone modification than the monomeric one. Thus, the immunochemical detection of imidazolone may be a good marker for 3-DG-derived AGE modification in vivo and in vitro permitting a differentiation between the oxidative and the non-oxidative pathway of AGE generation.[1]

References

  1. Immunochemical detection of imidazolone in uremia and rheumatoid arthritis. Franke, S., Niwa, T., Deuther-Conrad, W., Sommer, M., Hein, G., Stein, G. Clin. Chim. Acta (2000) [Pubmed]
 
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