CCT251545 analogue, Compound 51

CCT251545 analog is a potent and selective CDK8/19 inhibitor (IC50: 5.1 nM and 5.6 nM, respectively). Mediator complex-associated kinases CDK8 and CDK19 are involved in the regulation of multiple transcription pathways. CDK8 plays as an oncogene in gastric and colorectal cancers through the activation of WNT signaling.