Jak enzymes are part of the jak/stat pathway. This signaling pathway transmits chemical signals from the outside of cells, specifically lymphocytes, and into the cell nucleus. Some jak inhibitors are used to treat cancer.

Also called janus kinase inhibitor. Recently, janus kinase inhibitors (jaki) have been developed to block the effect of proinflammatory cytokines in imids. Thanks to this breakthrough research, jak inhibitors are fda approved to treat conditions that include eczema, psoriasis, and vitiligo. What makes this medication unique is the way it works.