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Complement Factor H-Related Proteins Cfhr2 And Cfhr5 Represent Novel Ligands For The Infection-Associated Crasp Proteins Of Borrelia Burgdorferi, Corinna Siegel, Teresia Hallström, Christine Skerka, Hannes Eberhardt, Barbara Uzonyi, Tobias Beckhaus, Michael Karas, Reinhard Wallich, Brian Stevenson, Peter F. Zipfel, Peter Kraiczy
Complement Factor H-Related Proteins Cfhr2 And Cfhr5 Represent Novel Ligands For The Infection-Associated Crasp Proteins Of Borrelia Burgdorferi, Corinna Siegel, Teresia Hallström, Christine Skerka, Hannes Eberhardt, Barbara Uzonyi, Tobias Beckhaus, Michael Karas, Reinhard Wallich, Brian Stevenson, Peter F. Zipfel, Peter Kraiczy
Microbiology, Immunology, and Molecular Genetics Faculty Publications
BACKGROUND: One virulence property of Borrelia burgdorferi is its resistance to innate immunity, in particular to complement-mediated killing. Serum-resistant B. burgdorferi express up to five distinct complement regulator-acquiring surface proteins (CRASP) which interact with complement regulator factor H (CFH) and factor H-like protein 1 (FHL1) or factor H-related protein 1 (CFHR1). In the present study we elucidate the role of the infection-associated CRASP-3 and CRASP-5 protein to serve as ligands for additional complement regulatory proteins as well as for complement resistance of B. burgdorferi.
METHODOLOGY/PRINCIPAL FINDINGS: To elucidate whether CRASP-5 and CRASP-3 interact with various human proteins, both borrelial proteins …