Advanced Evaluation of T-Cell-Dependent Bispecific Antibodies Using Fluorescence Imaging and In Vivo Models.

In this chapter, advanced methods for evaluating T-cell-dependent bispecific antibodies (TDBs) using in vivo fluorescence imaging and animal models are presented. TDBs, which target tumor-associated antigens on cancer cells and the TCR/CD3 complex on T cells, have shown success in hematologic malignancies but face challenges in solid tumors due to factors like reduced T-cell quality and low tumor-infiltrating T cells. Comprehensive protocols for cancer and T-cell preparation, flow cytometry, xenograft model generation, and imaging techniques are outlined, aiming to enhance the understanding of TDB dynamics and improve their efficacy in solid tumor treatment.