申请人:LI MING-HSIN
公开号:US20220089574A1
公开(公告)日:2022-03-24
The structure and preparation method of a compound D-L2(-B)-L1-A is disclosed, A is a physiologically and pharmacologically active molecule that physically binds to a specific biological molecule or receptor; L1 is a variable structure with the molecular connection activity at both ends connecting to A and L2; L2 is a variable structure, which has three-terminal molecular connection activity connecting to L1, D and B; B is a physiologically and pharmacologically active molecule that binds to albumin, changing the A molecule in the body cyclic characteristics; D is a polycarboxylic macrocyclic structure that binds to radioisotopes; D-L2(-B)-L1-A compound can be used to express chemokine receptor 4 (CXCR4) receptors on cells, tissues, and/or organs, and after binding with radionuclides, it is suitable for detection of CXCR4 protein binding in vitro, detection of CXCR4 cell binding in vitro or detection of CXCR4 expression in in vivo animal imaging.
本文披露了复合物D-L2(-B)-L1-A的结构和制备方法,其中A是一种生理和药理活性分子,能够物理结合到特定的生物分子或受体上;L1是一个可变结构,其分子连接活性在两端连接到A和L2;L2是一个可变结构,具有三端分子连接活性,连接到L1、D和B;B是一种生理和药理活性分子,能够结合到白蛋白上,改变体内A分子的循环特性;D是一种多羧基大环结构,能够结合到放射性同位素上;D-L2(-B)-L1-A复合物可用于表达细胞、组织和/或器官上的趋化因子受体4(CXCR4)受体,并在与放射性核素结合后,适用于体外检测CXCR4蛋白结合、体外检测CXCR4细胞结合或体内动物成像检测CXCR4表达。