Compositions and methods for treating and preventing Staphylococcus aureus infections
First Claim
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1. A method for displacing human IgG immunoglobulins bound to Staphylococcus aureus protein A (SpA) via their Fc regions, the method comprising the step of contacting a human IgG-SpA complex with a purified monoclonal antibody which specifically binds SpA with a KD of less than 1×
- 10−
10 M via its Fab region paratope whereby the purified monoclonal antibody displaces the human IgG immunoglobulins bound to SpA.
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Abstract
Antibodies having Fab regions that specifically bind to Staphylococcus aureus protein A are capable of mediating opsinization of Staphylococcus aureus bacteria despite their expression of antibody-neutralizing protein A. These antibodies and antigen-binding fragments thereof can be used in methods of treating and/or preventing Staphylococcus aureus infections.
6 Citations
11 Claims
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1. A method for displacing human IgG immunoglobulins bound to Staphylococcus aureus protein A (SpA) via their Fc regions, the method comprising the step of contacting a human IgG-SpA complex with a purified monoclonal antibody which specifically binds SpA with a KD of less than 1×
- 10−
10 M via its Fab region paratope whereby the purified monoclonal antibody displaces the human IgG immunoglobulins bound to SpA. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- 10−
Specification