Myeloid IRF5 is required for TLR7-driven inflammatory hemophagocyte differentiation and Macrophage Activation Syndrome
Natalie K. Thulin, Ailing Lu, Susana L. Orozco, Amanda Huang, LeAnn P. Nguyen, Gargi Mishra, Ram Savan, William L. Clapp, John Ray, Jessica A. Hamerman, Betsy Jo Barnes
This study identifies IRF5 as a critical driver of iHPC differentiation and MAS pathogenesis, showing it can be targeted pharmacologically.
bioRxiv · Oct 16, 2026 · PreprintImmunology