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Weak enhancer allows autoactivation of Irf8 to control cDC1 versus cDC2 lineage commitment
Nature Immunology ( IF 27.7 ) Pub Date : 2024-10-15 , DOI: 10.1038/s41590-024-01977-9


The Irf8 +32-kb enhancer controls transcriptional autoactivation to generate ‘IRF8 on’ and ‘IRF8 off’ states that define type 1 conventional dendritic cell (cDC1) and cDC2 lineages, respectively. Weak affinity of this enhancer for BATF3–JUNB–IRF8 complexes allows specified cDC2 progenitors to successfully turn off Irf8 transcription. If this enhancer is made stronger, cDC2 commitment and cDC1–cDC2 lineage segregation are compromised.

中文翻译:


弱增强子允许 Irf8 的自激活以控制 cDC1 而不是 cDC2 谱系定型。



Irf8 +32 kb 增强子控制转录自激活,以产生“IRF8 开启”和“IRF8 关闭”状态,分别定义 1 型常规树突状细胞 (cDC1) 和 cDC2 谱系。该增强子对 BATF3-JUNB-IRF8 复合物的弱亲和力使指定的 cDC2 祖细胞能够成功关闭 Irf8 转录。如果这种增强子变得更强,cDC2 定型和 cDC1-cDC2 谱系分离就会受到影响。
更新日期:2024-10-15
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