Abstract
The JAK-STAT signalling pathway is considered to be a significant role involved in the regulation of inflammatory diseases and immune responses, which indicate that specific inhibition of JAK-STAT pathway would be a potential key strategy for RA (Rheumatoid arthritis) treatment. Cedrol (CE), found from ginger by our group earlier, has been proven to play an excellent role in ameliorating RA via acting on JAK3. In this study, 27 new (1, 3–28), along with one known (2) derivatives of CE were synthesized by using chloroacetic acid and acryloyl chloride as intermediate ligands. In vitro, the inhibition effect on JAK kinases were performed using HTRF (Homogenous Time-Resolved Fluorescence) detection technology, which is more convenient and stable than traditional methods. The results compared with the secretion of LPS-induced p-JAK3 can better reflect the true kinase-selective effect of the compounds. Compound 22 was identified as a potent inhibitor to reduce the secretion of LPS-induced p-JAK3 with a dose-dependent manner. Given these results, compound 22 could serve as a favourable inhibitor of JAK3 for further research.
Published Version
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