Abstract: Disclosed herein is a bi-specific antibody that specifically directs a therapeutic agent to a cancer cell by targeting a tumor antigen of the cancer cell, and thereby suppressing the growth of the cancer or blocking the invasion or metastasis of the cancer. The bi-specific antibody of the present disclosure includes a first antigen binding site that binds to polyethylene glycol (PEG); and a second antigen binding site that binds to a target ligand, such as a tumor antigen.
Type:
Grant
Filed:
August 24, 2018
Date of Patent:
June 28, 2022
Assignee:
ACADEMIA SINICA & KAOHSIUNG MEDICAL UNIVERSITY
Inventors:
Steven R Roffler, Tian-Lu Cheng, Chien-Han Kao, Bing-Mae Chen, Yu-Cheng Su, Hsin-Yi Tung, Kuo-Hsiang Chuang