在儿科急性肝衰竭中,GDF-15,HMGB1和MIG/CXCL9的交织作用
Ruben Zamora1,2,3, Jinling Yin1, Derek Barclay1
1Department of Surgery, University of Pittsburgh, Pittsburgh, PA, United States.
Frontiers in systems biology
|August 14, 2025
概括
增长/差异化因子-15 (GDF-15) 是儿科急性肝衰竭 (PALF) 结果的潜在生物标志物. 升高的GDF-15和高流动性组框1 (HMGB1) 表示炎症,而MIG可能会抑制炎症.
科学领域:
- 免疫学 免疫学 免疫学
- 肝病学 肝病学是一种肝病学.
- 生物标志物发现发现
背景情况:
- 儿科急性肝衰竭 (PALF) 是一种严重的疾病,其原因尚不清楚,因此难以预测结果和移植决策.
- 高流动性组第1框 (HMGB1) 已与PALF相关的炎症有关.
- 增长/差异化因素-15 (GDF-15) 在PALF中的作用仍然未被探索.
研究的目的:
- 调查GDF-15与HMGB1.1一起参与PALF的情况.
- 为了确定预测PALF结果的潜在生物标志物.
- 为了阐明PALF中的炎症网络动态.
主要方法:
- 在PALF患者血清和小鼠肝细胞细胞超标体中测量了28和23种炎症媒介,包括HMGB1和GDF-15.
- 利用乙氨基 (APAP) 诱导野生型和HMGB1-零小鼠肝细胞的炎症.
- 采用计算分析来识别中间体之间的统计学上显著和潜在的因果关系.
主要成果:
- 与PALF的幸存者相比,非幸存者的GDF-15显著增加.
- 在PALF患者和小鼠模型中,GDF-15和HMGB1都被确定为炎症网络中的中心节点.
- 在幸存者中,MIG/CXCL9被确定为连接HMGB1和GDF-15的差异节点,这表明它在GDF-15诱导的炎症中起到了抑制作用.
结论:
- 建议GDF-15作为PALF结果的新生物标志物.
- 在PALF中,GDF-15和HMGB1是系统性炎症动态的核心.
- 在PALF相关的炎症中,MIG起着新的负面调节作用.
更多相关视频
09:44Generation of a Rat Model of Acute Liver Failure by Combining 70% Partial Hepatectomy and Acetaminophen
Published on: November 27, 2019
10.3K
11:44Long Term Intravital Multiphoton Microscopy Imaging of Immune Cells in Healthy and Diseased Liver Using CXCR6.Gfp Reporter Mice
Published on: March 24, 2015
12.1K
相关概念视频
01:24Liver Regeneration
3.4K
The liver is an important organ in vertebrates that plays an essential role in metabolism. It is also responsible for storing and redistributing nutrients such as carbohydrates, fats, and vitamins in the body. Additionally, the liver releases bile salts which are critical for digesting food and eliminating toxic metabolites from the body.
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are...
Cells of Liver
The liver comprises four major types of cells— hepatocytes, stellate, Kupffer, and sinusoidal endothelial cells. The hepatocytes are...
3.4K
01:15Differentiation of Common Myeloid Progenitor Cells
3.3K
Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
3.3K