Propargyl-PEG4-acid is a PEG-based PROTAC linker can be used in the synthesis of BTK-IAP PROTACs Ibrutinib -based PROTAC 2 and an analogue PROTAC 3. PROTAC 3 causes BTK degradation with a DC50 of 200 nM in THP-1 cells[1].
Lenalidomide-PEG3-iodine, an E3 ligase ligand-linker conjugate, consists of a cereblon-based Lenalidomide ligand and a 3-unit polyethylene glycol (PEG) linker. This compound is utilized in creating various proteolysis targeting chimeras (PROTACs), including the highly effective PROTAC BTK degrader SJF620, which has a degradation concentration 50 (DC50) of 7.9 nM[1].
Potent and selective BTK Degrader (IC50 = 5.1 nM); degrades BTK in a proteasome- and CRBN-dependent manner. Suppresses BTK signaling and proliferation in mantle cell lymphoma (MCL) cells by degrading BTK, IKFZ1, and IKFZ3 (3 validated targets in B-cell malignancies). Also degrades Ibrutinib (Cat. No. 6813) -resistant C481S-BTK mutant cancer cells. Exhibits no binding against a panel of 468 kinases at 1 μM. Reduces tumor burden and extends survival in lymphoma patient-derived xenograft models.
Luxeptinib (CG-806) is a novel pan-FLT3/pan-BTK inhibitor that is administered orally. It exhibits potent and reversible inhibition of these enzymes, acting through a non-covalent mechanism. Luxeptinib effectively induces cell cycle arrest, apoptosis, or autophagy in acute myeloid leukemia cells [1][2][3][4].