Recombinant Anti-Ad fiber knob x Anti-CEA Bispecific Antibody (Miniantibody)  (MNAB-003)

Recombinant Anti-Ad fiber knob x Anti-CEA Bispecific Antibody (Miniantibody) is a fusion protein of two scFv fragments combined with distinct specificity. One scFv of an anti-Ad fiber knob antibody variable domain is linked to another scFv of an anti-CEA antibody variable domain by a flexible hinge region. This BsAb format has the decreased size and better penetration than conventional IgGs in the clinical diagnostics and potentially therapy. 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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