Monoclonal antibodies generated by DNA immunization recognize CD2 from a broad range of primates.
2009
Using heterologous prime-boost (DNA immunization followed by immunization with transfected cells), we have generated depleting mouse anti-baboon CD2 monoclonal antibodies (mAb). These anti-CD2 mAb recognized a diverse range of primate CD2 from New World monkeys and Old World monkeys to humans and have potent immunosuppressive activity for human allo-MLR responses and anti-tetanus-toxoid recall responses. There was no upregulation of activation markers or release of cytokines when the mAb were incubated with human peripheral blood mononuclear cells. Using chimeric NOD-SCID IL2rγnull mice, the mAb were shown to deplete human and cynomolgus monkey T cells in vivo. These anti-CD2 mAb may therefore be important immunological tools in allo- and xenotransplantation.
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