A T cell-independent antitumor response in mice with bone marrow cells retrovirally transduced with

Abstract

In order to treat common cancers with immunotherapy, chimeric receptors have been developed that combine the tumor specificity of antibodies with T-cell effector functions. Previously, we demonstrated that T cells transduced with a chimeric receptor gene against human ovarian cancer were able to recognize ovarian cancer cells in vitro and in vivo. We now report that recipients of bone marrow cells transduced with these genes exhibited significant antitumor activity in vivo. Moreover, in vivo depletion of T cells in reconstituted mice did not affect antitumor activity, suggesting that other immune cells expressing the chimeric receptor gene may play an important role in tumor rejection.

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Wang, G., Chopra, R., Royal, R. et al. A T cell-independent antitumor response in mice with bone marrow cells retrovirally transduced with an antibody/Fc-γ chain chimeric receptor gene recognizing a human ovarian cancer antigen. Nat Med 4, 168–172 (1998). https://doi.org/10.1038/nm0298-168

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