一个NRF2诱导的分泌表型激活免疫监测,以移除不可挽回的受损细胞
Liam Baird1, Keiko Taguchi2, Anqi Zhang2
1Department of Biochemistry and Molecular Biology, Tohoku University, Tohoku Medical Megabank Organization, 2-1 Seiryo-machi, Aoba-ku, Sendai, 980-8573, Japan; Advanced Research Center for Innovations in Next-Generation Medicine (INGEM), Tohoku University, Sendai, 980-8575, Japan.
这是KEAP1-NRF2路径.
科学领域:
- 细胞生物学 细胞生物学
- 免疫学 免疫学 免疫学
- 分子生物学分子生物学
背景情况:
- KEAP1-NRF2通路对于细胞对氧化应激反应至关重要.
- 如果它促进受损细胞的存活,NRF2的保护作用可能是有害的.
研究的目的:
- 研究NRF2在疾病状态中的作用.
- 为了确定一种新的NRF2调节基因程序.
- 了解NRF2在移除细胞损伤中的功能.
主要方法:
- 使用的Pten::Keap1和Keap1::Atg7双淘汰赛小鼠肝病模型.
- 分析了NRF2诱导的分泌表型 (NISP) 基因程序.
- 通过CCR2信号来研究单细胞的招募.
主要成果:
- 在患病状态中发现了NRF2诱导的分泌表型 (NISP).
- NISP招募CCR2表达单细胞去除受损的肝细胞.
- NRF2通过促进不可挽回的损伤细胞的去除,充当瘤抑制剂.
结论:
- NISP的NRF2激活是消除肝病中受损细胞的关键机制.
- 这一途径代表了氧化应激反应的最后阶段,确保了宿主生存.
- 在严重损伤的情况下,NRF2的作用从细胞保护性转变为瘤抑制性.
更多相关视频
09:51Screening Bioactive Nanoparticles in Phagocytic Immune Cells for Inhibitors of Toll-like Receptor Signaling
Published on: July 26, 2017
07:55A Macrophage Reporter Cell Assay to Examine Toll-Like Receptor-Mediated NF-kB/AP-1 Signaling on Adsorbed Protein Layers on Polymeric Surfaces
Published on: January 7, 2020
相关概念视频
Immune Surveillance by NK Cells and Phagocytes
Natural Killer Cells: The Fast Responders
NK cells are large granular lymphocytes found in the blood and lymphatic system. These...
Cells of the Innate Immune Response
Phagocytes
Phagocytes police the peripheral tissues by removing cellular debris and responding to the invasion of foreign substances or pathogens. Many phagocytes attack and remove microorganisms even before lymphocytes detect them. The human body has two general...
NF-κB-dependent Signaling Pathway
NF-κB-dependent Signaling Mechanism
The...
Regulation of the Unfolded Protein Response
Cytotoxic T Cells-mediated Immune Response
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
Immune Response Against Viral Pathogens
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
