通过WNT4调节,ATF3触发M2巨细胞的两极分化,以保护皮质炎症
Acta biochimica et biophysica Sinica
|January 13, 2025
概括
激活ATF3蛋白通过调节WNT4,促进M2巨细胞的两极分化,并增强牙干细胞分化来减少脉炎和亡,这表明ATF3是治疗点.
科学领域:
- 口腔生物学 口腔生物学
- 免疫学 免疫学 免疫学
- 再生医学是一种再生医学.
背景情况:
- 脉炎是一种常见的口腔炎症状况,有可能导致脉死.
- 鉴定牙髓炎的新型治疗点对于保持牙髓活力至关重要.
研究的目的:
- 调查皮虫中激活转录因子3 (ATF3) 的作用和调控机制.
- 探索ATF3作为治疗脉治疗的治疗标记物的潜力.
主要方法:
- 建立了与不同炎症水平的肺炎的小鼠模型.
- 通过HE染色和炎症因子使用免疫组织化学 (IHC) 分析了纸组织学.
- 在ATF3对WNT4的调节,巨细胞极化和人类牙纸干/牙细胞 (hDPSC) 的骨质分化进行了体外研究.
主要成果:
- 在炎症的肉皮组织中,ATF3的表达很低.
- 过度表达ATF3减少了脉死亡,减少了促炎因素,并促进了M2巨细胞的两极分化.
- 通过ATF3/WNT4轴,ATF3积极调节WNT4转录,并通过ATF3/WNT4轴调节M2巨分极.
- ATF3增强了hDPSCs的骨质分化.
结论:
- 通过调节WNT4,ATF3促进M2巨细胞的两极分化,从而抑制脉炎症并增强牙脉干细胞的骨质分化.
- ATF3成为治疗脉炎和促进脉组织再生的有希望的治疗点.
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