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2001 DEC 26 - (NewsRx.com & NewsRx.net) -- by Michael Greer, senior medical writer - Researchers in the United States and England say that vaccination with a staphylococcal protein can help prevent staph-induced arthritis.
Dr. Elisabet Josefsson and colleagues at the University of Goteborg in Sweden, Trinity College in Dublin, Ireland, and the Alpharetta, Georgia-based pharmaceutical firm Inhibitex reported their findings on the "importance of the fibrinogen-binding adhesin clumping factor A (ClfA) in the pathogenesis of Staphylococcus aureus septic arthritis" in the December 15 edition of the Journal of Infectious Diseases.
Controlled exposure to ClfA reduced the severity of septic arthritis in animals, the researchers said.
They compared the virulence of a mutant staphylococcus strain with defective ClfA expression with that of wild-type S. aureus in mice. Mice infected with mutant staph developed much milder arthritic symptoms than those exposed to wild-type bacteria, study data showed.
Josefsson and team then treated mice with a vaccine made from recombinant ClfA. Immunized mice developed a milder form of arthritis after S. aureus ...
Source: HighBeam Research, Clumping Factor A Vaccination Effective Against Septic...