Factor I-Mediated Processing of Complement Fragments on HIV Immune Complexes Targets HIV to CR2-Expressing B Cells and Facilitates B Cell-Mediated Transmission of Opsonized HIV to T Cells

Our study demonstrates that binding of complement-opsonized HIV to complement receptor type 1 on human erythrocytes (E) via C3b fragments is followed by a rapid normal human serum-mediated detachment of HIV from E. The release was dependent on the presence of factor I indicating a conversion of C3b...

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