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

A new protein antidenaturant agent, bindarit, reduces secondary phase of adjuvant arthritis in rats.

Bindarit (or 2-[(1-benzyl-indazol-3-yl)methoxy]-2-methyl propionic acid) reduces heat induced denaturation of bovine and rat serum albumin in vitro (EC50 = 8.5 and 65 micrograms/ml, respectively) and inhibits heat induced serum albumin denaturation after in vivo (12.5-25-50 mg/kg po) administration in rats. To assess the relationship between protein denaturation and the development of chronic inflammatory diseases, the drug (0.5 or 0.12% medicated diet) was studied in comparison with indomethacin (1 mg/kg po daily) in rats injected with complete Freund's adjuvant. Bindarit appeared different from aspirin-like drugs, antiinflammatory steroids and immunosuppressants because it does not reduce primary inflammation of arthritic rats and was shown to be completely inactive on cyclo and lipooxygenase activity in vitro and on immune reactions of mice in vivo. Nevertheless, the drug strongly reduced the development of the secondary phase of adjuvant induced arthritis. The most significant effect of bindarit in this phase was a strong inhibition of serum albumin denaturation in arthritic rats. Assessment of both electrophoretic and quantitative changes suggests that the reduction of albumin during inflammation is due, at least in part, to a denaturation of native albumin, which loses its electrophoretic mobility. The involvement of protein denaturation in the production of new antigenic determinants, their pathogenic relevance in the development of adjuvant arthritis and the possibility that protein stabilization by bindarit could be the mechanism of action of the drug are discussed.[1]

References

  1. A new protein antidenaturant agent, bindarit, reduces secondary phase of adjuvant arthritis in rats. Cioli, V., Ciarniello, M.G., Guglielmotti, A., Luparini, M.R., Durando, L., Martinelli, B., Catanese, B., Fava, L., Silvestrini, B. J. Rheumatol. (1992) [Pubmed]
 
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