Publication number: 20230057350
Abstract: Provided herein is the conjugation of an amanita toxin compound to a cell-binding molecule with branched linkers for having better targeted treatment of abnormal cells. It also relates to a branched-linkage method of conjugation of an amanita molecule to a cell-binding ligand, as well as methods of using the conjugate in targets treatment of cancer, infection and autoimmune disease.
Type:
Application
Filed:
January 31, 2019
Publication date:
February 23, 2023
Applicant:
Hangzhou DAC Biotech Co., Ltd.
Inventors:
Robert Yongxin ZHAO, Qingliang YANG, Jun LEI, Yuanyuan HUANG, Linyao ZHAO, Hangbo YE, Shun GAI, Mingjun CAO, Qianqian TONG, Lu BAI, Zhixiang GUO, Chengyu YANG, Xiaomai ZHOU, Hongsheng XIE, Yifang XU, Huihui GUO, Junxiang JIA, Jun ZHENG, Cheng LIN, Xiaotao ZHUO, Wenjun LI, Yong DU, Xiangfei KONG, Binbin CHEN, Yanlei YANG, Yanhong TONG, Xiaoxiao CHEN, Yanhua LI, Xiuzheng ZHANG, Juan LAI
Publication number: 20230010108
Abstract: The present invention relates to a conjugate of a cytotoxic drug/molecule to a cell-binding molecule with a bis-linker (a dual-linker) containing a 2,3-diaminosuccinyl group. It also relates to preparation of the conjugate of a cytotoxic drug/molecule to a cell-binding molecule with the bis-linker, particularly when the drug having functional groups of amino, hydroxyl, diamino, amino-hydroxyl, dihydroxyl, carboxyl, hydrazine, aldehyde and thiol for conjugation with the bis-linker in a specific manner, as well as the therapeutic use of the conjugates.
Type:
Application
Filed:
October 12, 2018
Publication date:
January 12, 2023
Applicant:
Hangzhou DAC Biotech Co., Ltd.
Inventors:
Robert Yongxin ZHAO, Qingliang YANG, Yuanyuan HUANG, Linyao ZHAO, Hangbo YE, Xiaotao ZHUO, Chengyu YANG, Jun LEI, Yifang XU, Huihui GUO, Wenjun LI, Shun GAI, Lu BAI, Zhixiang GUO, Junxiang JIA, Jun ZHENG, Xiaomai ZHOU, Hongsheng XIE, Qianqian TONG, Mingjun CHAO, Yanhong TONG, Zhicang YE, Chen LIN, Yanlei YANG, Binbin CHEN