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S. Pneumoniae Vaccine

Antibodies against PsaA inhibit pneumococcal adherence to nasopharyngeal cells

Published in Vaccine Weekly, May 7th, 2003

Antibodies against surface adhesin A (PsaA) inhibited pneumococcal adherence to human nasopharyngeal epithelial cells.

According to published research from the United States, "The role of pneumococcal (Pnc) surface adhesin A (PsaA) in the adherence of Streptococcus pneumoniae (pneumococcus) to host cells is not well defined. We examined the effect of anti-PsaA antibodies in an inhibition of adherence assay using Detroit 562 nasopharyngeal human epithelial cells."

"Rabbit polyclonal (Pab) anti-recombinant PsaA (rPsaA) sera, a purified mouse monoclonal antibody (MAb) (MAb 6F62G8E12), and 22 healthy adult sera with known anti-PsaA IgG levels...

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