Temporal CRAC channel blockade modulates the MYC-MXD axis to attenuate autoimmune inflammation.

Temporal inhibition of CRAC channels in Th17 cells disrupts effector function and metabolic programming, and this is rescued by MYC expression, linking CRAC activity to the MYC-MXD axis.

• Why it matters: Th17 pathogenicity drives autoimmune disease progression, but how timing-specific CRAC channel blockade reshapes Th17 transcriptional control and cytokine output was unclear.
• What they did: The study applied temporal CRAC channel blockade to Th17 cells, measured effector function and metabolic programming, and tested rescue by MYC expression; it also mapped a hierarchy where CRAC activity represses Mxd genes.
• The result: In an animal model of autoimmunity, temporal CRAC channel block increased MXD expression to attenuate Th17 pathogenicity, and in human Th17 cells it impacts the MYC-MXD axis to impede cytokine production.

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