[通过调节分叉盒蛋白O-1/β-catenin通路对过氧化诱导的人类牙带干细胞的保护作用]
Li Zhang1,2, Shiyuan Peng1,2, Feiyang Tang2
1Dept. of Orthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou 646000, China.
概括
通过FOXO1/β-catenin通路增强抗氧化能力和恢复骨质生成潜力,保护人类牙带干细胞 (hPDLSCs).
科学领域:
- 生物材料科学
- 干细胞生物学
- 复原医学
背景情况:
- 氧化应激会影响人类牙周带干细胞 (hPDLSC) 的骨质分化.
- 一种天然的黄胺 (Naringenin,NAR) 正在研究其潜在的保护作用.
研究的目的:
- 在氧化应激下研究纳灵 (NAR) 对人类牙周带干细胞 (hPDLSCs) 的骨质生成潜力的保护作用.
- 阐明涉及FOXO1/β-catenin信号通路的潜在机制.
主要方法:
- 使用过氧化 (H2O2) 对hPDLSC进行了氧化损伤.
- 用不同度的NAR和FOXO1抑制剂 (AS1842856) 对细胞进行治疗.
- 评估了骨质分化,氧化应激标志物 (ROS,MDA,LDH) 和关键蛋白/基因表达 (FOXO1,β-catenin).
主要成果:
- 在hPDLSC中,H2O2暴露增加了氧化损伤并降低了骨质性潜力.
- NAR治疗减轻了氧化损伤,增强了抗氧化能力,并恢复了骨质生成能力.
- 抑制FOXO1降低了NAR的保护作用,表明该途径的参与.
结论:
- 纳灵 (NAR) 保护hPDLSCs免受氧化压力引起的损伤.
- 通过激活FOXO1/β-catenin信号通路,NAR增强了抗氧化能力并恢复了骨质生成潜力.
- 这突显了NAR作为牙周再生的潜在治疗剂.
相关概念视频
TGF - β Signaling Pathway
The TGF-β signaling pathway regulates cell growth, differentiation, adhesion, motility, and development. TGF-β ligands that induce TGF-β signaling are synthesized in their latent form. Several proteases or cell surface receptors such as integrins act upon the latent form, releasing the active ligand. There are three types of mammalian TGF-βs: (TGF-β1, TGF-β2, and TGF-β3) that bind as homodimers or heterodimers to TGF-β receptors. The TGF-β receptors are of three kinds RI, RII, and RIII. The RI...
Catenins
Catenins are characterized by multiple binding domains and dynamic structures that allow them to function as linker proteins in cell junction complexes. All catenins, except α-catenin, contain a characteristic protein sequence called the armadillo repeat and are therefore also called armadillo proteins.
Catenins in Cell Junctions
Catenins bind to cell adhesion molecules such as cadherins and link them to different cytoskeletal proteins depending on the type of cell junction. At the adherens...
Catenins in Cell Junctions
Catenins bind to cell adhesion molecules such as cadherins and link them to different cytoskeletal proteins depending on the type of cell junction. At the adherens...


