Abstract: The present application provides an antibody or antibody fragment capable of binding to a lung-specific X protein and being used to treat a tumor, and a use thereof. The antibody or antibody fragment includes heavy chain CDRs having amino acid sequences of SEQ ID NO: 1, SEQ ID NO: 2, and SEQ ID NO: 3 and light chain CDRs having amino acid sequences of SEQ ID NO: 4, SEQ ID NO: 5, and SEQ ID NO: 6. Alternatively, the antibody or antibody fragment includes heavy chain CDRs having amino acid sequences of SEQ ID NO: 1, SEQ ID NO: 7, and SEQ ID NO: 3 and light chain CDRs having amino acid sequences of SEQ ID NO: 8, SEQ ID NO: 5, and SEQ ID NO: 6. The antibody is a chimeric antibody.
Type:
Grant
Filed:
May 25, 2017
Date of Patent:
February 16, 2021
Assignee:
IMMUNOPHARMACEUTIC INSTITUTE OF HEFEI RUIDA CO., LTD.
Inventors:
Zhigang Tian, Haiming Wei, Xiaohu Zheng, Rui Sun, Weihua Xiao, Dan Liu, Baoru Wang
Abstract: The present application provides an antibody or antibody fragment capable of binding to a lung-specific X protein and being used to treat a tumor, and a use thereof. The antibody or antibody fragment includes heavy chain CDRs having amino acid sequences of SEQ ID NO: 1, SEQ ID NO: 2, and SEQ ID NO: 3 and light chain CDRs having amino acid sequences of SEQ ID NO: 4, SEQ ID NO: 5, and SEQ ID NO: 6. Alternatively, the antibody or antibody fragment includes heavy chain CDRs having amino acid sequences of SEQ ID NO: 1, SEQ ID NO: 7, and SEQ ID NO: 3 and light chain CDRs having amino acid sequences of SEQ ID NO: 8, SEQ ID NO: 5, and SEQ ID NO: 6. The antibody is a chimeric antibody.
Type:
Application
Filed:
May 25, 2017
Publication date:
October 24, 2019
Applicant:
Immunopharmaceutic Institute of Hefei Ruida Co., Ltd.
Inventors:
Zhigang Tian, Haiming Wei, Xiaohu Zheng, Rui Sun, Weihua Xiao, Dan Liu, Baoru Wang