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  • Title: Molecular cloning and comparative analysis of the rhesus macaque costimulatory molecules CD80 (B7-1) and CD86 (B7-2).
    Author: Zhang D, Johnson RP.
    Journal: Cell Immunol; 1997 Apr 10; 177(1):9-17. PubMed ID: 9140091.
    Abstract:
    To facilitate analysis of the role of costimulatory molecules in a nonhuman primate model, we cloned and sequenced the CD80 (B7-1) and CD86 (B7-2) costimulatory molecules from rhesus macaques. Rhesus CD80 and CD86 were highly homologous to their human counterparts, with overall amino acid homologies of greater than 90%, and were specifically recognized by murine antihuman CD80 or CD86 monoclonal antibodies. Stable cell lines expressing rhesus CD80 or CD86 induced proliferation of suboptimally activated CD4+ T cells and transcription of cytokine mRNA. Both CD80 and CD86 were able to provide costimulation for interferon-gamma and IL-2 synthesis by rhesus CD4+ T cells, but CD80 costimulation also resulted in synthesis of IL-4 and IL-10. The high degree of homology between the rhesus and the human CD80 and CD86 molecules should facilitate analysis of therapeutic interventions directed at this costimulatory pathway in nonhuman primates.
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