Construction and application of bispecific antibody HER2xCD3

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United States of America Patent

PATENT NO 9611325
SERIAL NO

14803278

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Abstract

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The present invention provides a bispecific antibody. The bispecific antibody provided by the present invention comprises a single-chain unit and a monovalent unit, wherein the single-chain unit has a specific binding capability against a surface antigen CD3 of an immune cell; the monovalent unit has a specific binding capability against a surface antigen HER2 of a tumor cell; the single-chain unit comprises a single-chain variable fragment ScFv fused with an Fc fragment; and the monovalent unit comprises a light chain and heavy chain pair. The present invention also provides a preparation method of the bispecific antibody and pharmaceutical use of these antibodies.

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Patent Owner(s)

Patent OwnerAddress
WUHAN YZY BIOPHARMA CO LTDBIOLAKE C2-1 NO 666 GAOXIN ROAD DONGHU NEW TECHNOLOGY DEVELOPMENT ZONE WUHAN HUBEI 430075

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fan, Kesu Hubei, CN 2 19
Hu, Lingli Hubei, CN 3 19
Wang, Rui Hubei, CN 821 4323
Zhang, Jing Hubei, CN 966 8974
Zhou, Pengfei Hubei, CN 43 169
Zhou, Xiang Hubei, CN 305 3302

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