Scientists at Apichope Bio Pharmaceutical Co. Ltd., Guangzhou Lianrui Pharmaceutical Co. Ltd. and Guangzhou Runlin Pharmaceutical Technology Co. Ltd. have identified proteolysis targeting chimeras (PROTACs) comprising an E3 ubiquitin ligase cereblon (CRBN) binding moiety coupled to an interleukin-1 receptor-associated kinase 4 (IRAK-4) targeting moiety via a linker acting as IRAK-4 degradation inducers.