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Active Vaccine Prevents Mice From Developing Prion Disease

phoid fever. Among mice vaccinated prior to prion exposure, approximately 30% remained alive and symptom-free for 500 days, according to the study. By comparison, mice that didn't receive the vaccine survived only an average of 185 days, and all were dead by 300 days.

The NYU scientists are in the process of redesigning the vaccine for deer and cattle. After choosing the appropriate bacteria for each vaccine, they must genetically modify it to carry the prion protein. "These technical issues are not major hurdles," says Dr. Wisniewski. "Developing a marketable vaccine for livestock is something that is very achievable."

The authors of the new study are: Fernando Goñi, Elin Knudsen, Henrieta Scholtzova, Joanna Pankiewicz, Einar M. Sigurdsson, and Thomas Wisniewski of the NYU School of Medicine; Fernanda Schreiber and Jose Alejandro Chabalgoity of the University of Uruguay; Richard Carp and Harry C. Meeker of the New York State Institute for Basic Research in Developmental Disabilities, New York City; David R. Brown of the University of Bath, United Kingdom; and Man-Sun Sy of Case Western Reserve University School of Medicine, Cleveland, Ohio.


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Source:NYU Medical Center


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