Recombinant Anti-CD28 x Anti-CD3 Bispecific Antibody (Bibody) is a Fab-VHH format that uses heterodimeric Fab as a scaffold, and a VHH region linked to one of its heavy (Fd) or light (L) chain. The VHH of the anti-CD3 specificity is fused to the anti-CD28 heavy or light chain of the Fab. This BsAb can improve T-cell activation. It is designed for the research of Tumors therapy.
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