Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Amino acid sequence disclosed in whole or in part; or...
Reexamination Certificate
2006-06-20
2006-06-20
Devi, S. (Department: 1645)
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Amino acid sequence disclosed in whole or in part; or...
C424S234100, C424S244100, C424S184100, C530S350000, C530S825000, C530S300000, C514S002600
Reexamination Certificate
active
07063850
ABSTRACT:
The present invention provides the discovery of a newStreptococcusprotective antigen (herein designated Spa) which has been identified and isolated from Streptococci. Spa is a surface antigen distinct from M protein which evokes opsonic antibodies that are protective against multiple serotypes of streptococci. The invention further provides isolated Spa polypeptides, proteins, peptides, and antibodies against the same, as well as nucleic acids encoding Spa polypeptide and peptide antigens. Also provided are methods for identification and isolation of a Spa polypeptide, therapeutic compositions comprised of Spa antigens or antibodies and methods of their use in protecting an animal against aStreptococcusinfection.
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Devi S.
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University of Tennessee Research Foundation
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