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    • 47. 发明申请
    • Protective antigen of group a streptococci
    • 组链球菌的保护性抗原
    • US20060246083A1
    • 2006-11-02
    • US11343649
    • 2006-01-30
    • James Dale
    • James Dale
    • A61K39/00A61K39/38
    • A61K39/092A61K38/00A61K2039/55505C07K14/315Y10S530/825
    • The present invention provides the discovery of a new Streptococcus protective 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 a Streptococcus infection.
    • 本发明提供已经从链球菌鉴定和分离的新的链球菌保护性抗原(本文命名为Spa)的发现。 水疗中心是一种与M蛋白不同的表面抗原,它引起了针对多种血清型链球菌的保守反应。 本发明还提供了分离的Spa多肽,蛋白质,肽和针对其的抗体,以及编码Spa多肽和肽抗原的核酸。 还提供了用于鉴定和分离Spa多肽的方法,由SPA抗原或抗体组成的治疗组合物及其用于保护动物免受链球菌感染的方法。