Monoclonal antibody capable of binding to specific discontinuous epitope occurring in AD1 region of human cytomegalovirus GB glycoprotein, and antigen-binding fragment thereof

摘要

The present invention provides a pharmaceutical composition for human cytomegalovirus HCMV causative of various disease states, the composition comprising a monoclonal antibody and an antigen-binding fragment thereof that specifically binds to the AD1 region of glycoprotein gB and that has excellent neutralizing capacity. The present invention provides: a monoclonal antibody and an antigen-binding fragment thereof having an excellent neutralizing capacity and cell-to-cell infection blocking capacity and specifically binding to a discontinuous sequence occurring in the HCMV AD1 region; a pharmaceutical composition comprising the antibody or the fragment thereof; and the like.