CMV pp65 peptide

Definition / meaning of CMV pp65 peptide

A peptide derived from cytomegalovirus (CMV) internal matrix protein pp65. CMV pp65 peptide antigen is used in recombinant vaccinia virus as an HLA-A-restricted epitope to produce vaccines and specific CD8+ and CD4+ cell responses against CMV infection, a serious complication of allogeneic bone marrow transplantation (BMT). In BMT, CMV infection may be prevented by passive immunization with donor-derived CMV-pp65-specific T-cell clones if provided early post-BMT.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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