This study is highly intriguing. For years, there has been ongoing debate in the field regarding the differentiation of Tfh and Th1 cells. Some researchers hold that their differentiation pathways are mutually exclusive, while others propose that they derive from the same progenitor cells. Although this research focuses on the mechanism by which STAT1 mediates autoimmunity, it fundamentally elucidates that STAT1 can endow Tfh cells with Th1-like properties. Furthermore, it confirms that IFN-γ neutralization represents a novel therapeutic strategy for the treatment of numerous autoimmune diseases.