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: STAT dimers translocate to the nucleus to regulate gene expression. Basic Mechanisms of JAK Inhibition - PMC - NIH

The JAK-STAT pathway is a primary intracellular signaling mechanism that mediates the effects of more than 50 cytokines and growth factors. Inhibitors of this pathway, known as or "jakinibs," are small molecules that bind to intracellular Janus kinase enzymes (JAK1, JAK2, JAK3, and TYK2), blocking the downstream activation of STAT proteins and subsequent gene transcription involved in inflammatory and immune responses. Mechanism of Action The JAK-STAT pathway operates in six sequential steps: Download Les inhibiteurs JAK STAT pdf

: Activated JAKs phosphorylate the receptor tail, creating docking sites. : STAT dimers translocate to the nucleus to