Serological evidence for an inflammatory response in murine scrapie.
Transmissible spongiform encephalopathies (TSEs) are initiated by a novel kind of agent that produces characteristic degenerative changes in the brain without a detectable systemic inflammatory response or serological changes. A murine scrapie model was evaluated for changes in plasma concentration of serum amyloid P component (SAP), a protein that is up-regulated in infected and/or injured mice during the acute phase response (APR). C57BL10 and IRW mice inoculated with scrapie brain developed clinical scrapie 125-150 days later. At this time, concentration of plasma SAP increased in most of them. The SAP level increased > or =3-fold in >80% of the scrapie-affected C57BL10 mice and IRW male mice. A similar increase was found in <3% of respective nonscrapie control mice. The up-regulation of mouse SAP during clinical scrapie provides evidence for the activation of a systemic APR in TSE, a serological change that may be clinically useful.[1]References
- Serological evidence for an inflammatory response in murine scrapie. Coe, J.E., Race, R.E., Ross, M.J. J. Infect. Dis. (2001) [Pubmed]
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