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Abstract
Abnormal macrophage polarization is generally present in autoimmune diseases. Overwhelming M1 macrophage activation promotes the continuous progression of inflammation, which is one of the reasons for the development of autoimmune diseases. However, the underlying mechanism is still unclear. Here we explore the function of Regulatory factor X1 (RFX1) in macrophage polarization by constructing colitis and lupus-like mouse models. Both in vivo and in vitro experiments confirmed that RFX1 can promote M1 and inhibit M2 macrophage polarization. Furthermore, we found that RFX1 promoted DNA demethylation of macrophage polarization–related genes by increasing APOBEC3A/Apobec3 expression. We identified a potential RFX1 inhibitor, adenosine diphosphate (ADP), providing a potential strategy for treating autoimmune diseases.
Authors
Shuang Yang, Pei Du, Haobo Cui, Meiling Zheng, Wei He, Xiaofei Gao, Zhi Hu, Sujie Jia, Qianjin Lu, Ming Zhao
Usage data is cumulative from August 2025 through August 2026.
| Usage | JCI | PMC |
|---|---|---|
| Text version | 1,867 | 213 |
| 279 | 48 | |
| Figure | 1,095 | 0 |
| Supplemental data | 231 | 12 |
| Citation downloads | 310 | 0 |
| Totals | 3,782 | 273 |
| Total Views | 4,055 | |
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