Recombinant Anti-Ad fiber knob x Anti-EPCAM Bispecific Antibody (scDiabody-Fc) is a fusion protein of two scDiabodies with an Fc region. In single-chain Diabodies, an additional connecting linker is introduced between chains of the anti-Ad fiber knob/anti-EPCAM diabody. The scDiabody with two specificities is further fused to the Fc domain to form BsAb with 2+2 antigen-binding valency. 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.
Ad fiber knob & EPCAM
Constant Domain-extended Bispecific Fragments
FuncS; Promising therapeutic agent
Breast cancer; Ovary cancer; Colon cancer; Lung cancer
Ad fiber knob; Adenovirus fiber knob; adenovirus fiber protein; knob domain of Ad fiber
EPCAM; epithelial cell adhesion molecule; ESA; KSA; M4S1; MK-1; DIAR5; EGP-2; EGP40; KS1/4; MIC18; TROP1; EGP314; HNPCC8; TACSTD1; epithelial glycoprotein 314; human epithelial glycoprotein-2; cell surface glycoprotein Trop-1; adenocarcinoma-associated antigen; tumor-associated calcium signal transducer 1; major gastrointestinal tumor-associated protein GA733-2; membrane component, chromosome 4, surface marker (35kD glycoprotein)
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