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.

Date of Patent:
Aug. 01, 2023

Filed:

Feb. 11, 2019
Applicants:

Hangzhou Sumgen Biotech Co., Ltd., Zhejiang, CN;

Sumgen Mab (Beijing) Biotech Co., Ltd., Beijing, CN;

Inventors:

Ming Lv, Zhejiang, CN;

Xiaoran Ding, Zhejiang, CN;

Shiwei Miao, Zhejiang, CN;

Bin Tan, Zhejiang, CN;

Xuegong Wang, Zhejiang, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07K 16/00 (2006.01); C07K 16/28 (2006.01); A61P 35/00 (2006.01); A61P 35/02 (2006.01); C12N 5/10 (2006.01); A61K 48/00 (2006.01); A61K 31/713 (2006.01); C12N 15/63 (2006.01); A61K 39/00 (2006.01);
U.S. Cl.
CPC ...
C07K 16/2896 (2013.01); A61K 31/713 (2013.01); A61K 48/00 (2013.01); A61P 35/00 (2018.01); A61P 35/02 (2018.01); C12N 5/10 (2013.01); C12N 15/63 (2013.01); A61K 2039/505 (2013.01); C07K 2317/24 (2013.01); C07K 2317/51 (2013.01); C07K 2317/515 (2013.01); C07K 2317/56 (2013.01); C07K 2317/565 (2013.01); C07K 2317/732 (2013.01); C07K 2317/76 (2013.01); C07K 2317/92 (2013.01);
Abstract

Provided by the invention is an antibody or an antigen-binding fragment thereof, which binds to a CD38 protein at a Kvalue below 1×10-M. The antibody or an antigen-binding fragment thereof has strong specific recognition and binding capabilities for CD38 protein, and may kill CD38+ cells by means of antibody-dependent cell-mediated cytotoxicity (ADCC), complement-dependent cytotoxicity (CDC) and/or apoptosis. Further provided by the present invention is an application of the antibody or antigen-binding fragment thereof in preventing and treating tumors.


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