FOSL1 degrader 1 (4) is a T-5224-PROTAC, potently degrade FOSL1 (AP-1) to suppress cancer stemness gene expression in HNSCC. FOSL1 degrader 1 (4) effectively eliminate HNSCC cancer stem cells to inhibit tumor growth through degrading FOSL1. FOSL1 degrader 1 (4) displays around 30- to 100-fold increased potency over T-5224 (Pink: T-5224 ; Black: Linker ; Blue: Pomalidomide ).
References:
[1]. Shadid U Zaman, et al. Novel PROTAC probes targeting FOSL1 degradation to eliminate head and neck squamous cell carcinoma cancer stem cells. Bioorg Chem. 2024 Jul 9:151:107613.
















