Recombinant Anti-Ad fiber knob x Anti-CEA Bispecific Antibody (Tandem Fab)  (BSFAB-003)

Recombinant Anti-Ad fiber knob x Anti-CEA Bispecific Antibody (Tandem Fab) is designed to be expressed as three chains derived from the variable domains of anti-Ad fiber knob and anti-CEA parental antibodies. It contains a His-tag for affinity purification. And the two Fd regions are connected by a flexible linker. This BsAb can retarget of adenoviral vectors to tumour cells. It can be used in cancer gene therapy to transfer a therapeutic gene into tumour cells aiming at selective and efficient cell killing.

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