酸性神经元信号减弱了巨细胞介导的肝损伤
Xi Zhou1, Zhibo Ma1, Qi Cheng2
1Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 430030 Wuhan, People's Republic of China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, 430030 Wuhan, People's Republic of China.
酸性刺激,就像酸性食物一样,通过降低TAFA2蛋白来减少肝损伤. 这一发现提供了针对脑肝轴和神经免疫相互作用的肝损伤的新治疗策略.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 肝病学 肝病学是一种肝病学.
背景情况:
- 肝损伤与炎症有关,肝神经起着调节作用.
- 肝炎的特定触发因素和神经向治疗仍然不清楚.
研究的目的:
- 调查酸性刺激在肝脏缺血-再输液损伤 (IRI) 中的作用.
- 确定参与肝脏IRI的神经信号,并探索针对脑肝轴的治疗干预措施.
主要方法:
- 构建了肝脏IRI的小鼠模型,并通过单细胞测序分析了神经元基因表达.
- 研究了酸性刺激对肝脏IRI在体内和肝切除术期间的临床试验的影响.
主要成果:
- 酸性刺激降低了TAFA2的产生和肝损伤;TAFA2的切除/敲除降低了肝损伤.
- TAFA2与CCR2相互作用,促进巨细胞激活和炎症基因表达.
- 暴露于酸性刺激的患者在肝切除术期间显示肝脏IRI降低.
结论:
- 神经元TAFA2招募CR2+巨细胞,加剧肝损伤.
- 响应酸性刺激的神经信号部分减轻了肝损伤.
- 这些发现突出了神经免疫轴和肝损伤的潜在治疗点.
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