Fmoc-Val-Cit-PAB-PNP is a linker for ADC through cleaveage by catepsin B only present in lysosome at Val-Cit site, thus making ACD payload be released only in the cell.
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描述 | Fmoc-Val-Cit-PAB-PNP serves as a cleavable linker in antibody-drug conjugate (ADC) synthesis, offering plasma stability on par with non-cleavable linkers[1].[2].[3]. |
体内研究 | The stability of the Fmoc-Val-Cit-PAB-PNP linker in mice is deemed crucial for conducting effective efficacy and safety studies in rodent models, serving as a foundational step in the preclinical phase of ADC development programs[3]. Moreover, the site of conjugation significantly influences the stability of the VC-PABC linker in mouse plasma. There's a positive correlation between the stability of this linker and the cytotoxic potency of the corresponding ADC, both in vitro and in vivo, highlighting the importance of linker design in ADC efficacy[3]. |
体外研究 | This linker includes a peptide sequence susceptible to degradation by lysosomal enzymes[1]. The enzyme Cathepsin B in the lysosome specifically targets and cleaves the peptide bond between Cit-PAB within dipeptide linkers composed of Valine (Val)-citrulline (Cit) and p-aminobenzylalcohol (PAB). This process enables the release of a drug covalently attached to PAB via carbamate bonds, following the peptide bond's cleavage between Cit-PAB, a mechanism exploited in the development of ADCs[2]. |
计算器 | ||||
存储液制备 | 1mg | 5mg | 10mg | |
1 mM 5 mM 10 mM |
1.30mL 0.26mL 0.13mL |
6.52mL 1.30mL 0.65mL |
13.04mL 2.61mL 1.30mL |
CAS号 | 863971-53-3 |
分子式 | C40H42N6O10 |
分子量 | 766.796 |
别名 | |
运输 | 蓝冰 |
存储条件 |
粉末 Keep in dark place,Sealed in dry,2-8°C 液体 -20°C:3-6个月-80°C:12个月 |
溶解度 |
DMSO: 40 mg/mL(52.17 mM),注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO |
动物实验配方 |