The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 02, 2023
Filed:
Feb. 22, 2019
Wuhan Yzy Biopharma Co., Ltd., Wuhan, CN;
Jing Zhang, Wuhan, CN;
Lijuan Fang, Wuhan, CN;
Yongxiang Yan, Wuhan, CN;
Liang Zeng, Wuhan, CN;
Pengfei Zhou, Wuhan, CN;
Wuhan YZY Biopharma Co., Ltd., Wuhan, CN;
Abstract
Provided in the present application is a humanized and multifunctional CD3 antibody; a heavy chain variable region of the CD3 antibody comprised herein contains the amino acid sequence of any one of SEQ ID NOs: 1-3 or a variant sequence thereof; and a light chain variable region thereof contains the amino acid sequence of any one of SEQ ID NOs: 26-28 or a variant sequence thereof. Further provided in the present application is a multifunctional antibody comprising (a) a light chain-heavy chain pair that has specificity for tumor cells or microorganisms; and (b) a fusion peptide that comprises a single-chain variable fragment and an Fc fragment having a CH2 domain and/or a CH3 domain, the fusion peptide having specificity for immune cells. The antibodies provided in the present application have improved biological activity, thermal stability and/or acid resistance.