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持续的素-C激活通过Wnt/β-catenin通路驱动AKI-to-CKD的进展
Ying He1, Huaiman Li2, Jianqiang Zhang3
1Guangxi University of Traditional Chinese Medicine, Nanning, China.
International urology and nephrology
|March 6, 2026
概括
持续的Tenascin-C (TNC) 激活驱动慢性病 (CKD) 在急性损伤 (AKI) 后的进展. TNC通过EGFR调节Wnt/β-catenin信号传输,突出了防止AKI转变为CKD的潜在治疗标.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 分子生物学分子生物学
- 病理学 病理学 病理学
背景情况:
- 急性损伤 (AKI) 是慢性病 (CKD) 的已知危险因素.
- 素-C (TNC) 在AKI后的保护中起作用,但其在AKI到CKD过渡中的作用尚不清楚.
研究的目的:
- 调查特纳辛-C (TNC) 在急性损伤 (AKI) 到慢性病 (CKD) 的进展中的作用.
- 阐明TNC影响AKI到CKD过渡的分子机制.
主要方法:
- 轻度 (20分钟) 和严重 (30分钟) 缺血/再输液损伤 (IRI) 的小鼠模型.
- 在体内使用shRNA等离子体进行TNC过度表达和淘汰.
- 同免疫沉试验用于评估TNC,Wnt配体和EGFR之间的体外相互作用.
- 对β-catenin信号激活的分析.
主要成果:
- 严重的IRI诱导了持续的TNC表达和纤维化,而轻度的IRI则导致了暂时的功能障碍和TNC激活.
- 通过激活β-catenin信号传递,TNC过度表达加速了CKD的发展.
- 通过抑制β-catenin激活,TNC敲击减轻了CKD的进展.
- 在体外,TNC通过EGFR与Wnt配体相互作用,放大Wnt诱导的β-catenin激活.
结论:
- 持续的TNC激活,而不是短暂的,对于AKI到CKD的进展至关重要.
- 通过EGFR调节Wnt/β-catenin信号传输,TNC促进了AKI到CKD的过渡.
- 准TNC-EGFR-β-catenin轴可能为AKI后预防CKD提供治疗策略.
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