| A protein that resides in the microbial wall of staphylococcus aureus and interferes with opsonization by binding to the Fc portion of immunoglobulin. The protein has a deleterious effect on the epithelial cells that line the respiratory tract, and plays a role in the induction of pneumonia. protein A also initiates polymorphonuclear cell migration into airway passages via TNFR1 activation. Staphylococcus aureus Protein-A is from the group Antigen
Other Names for Staphylococcus aureus Protein-A
Staphylococcus aureus Protein A
S. aureus protein A
Staph. Protein A
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Medical Dictionary 
