对双重NRF2激活器的功能分析,这些激活器克服了与年龄相关的慢性疾病的反调节
Dmitry M Hushpulian1, Navneet Ammal Kaidery2, Priyanka Soni2
1Laboratory of Molecular Engineering, Federal Research Center "Fundamentals of Biotechnology", Russian Academy of Sciences, Moscow, Russia.
激活Nrf2通路可以对抗衰老和神经退行. 一种新的化合物,HPPE,通过选择性激活Nrf2和抑制Bach1,为治疗与年龄相关的疾病提供了双重方法.
科学领域:
- 生物化学 生化学
- 分子生物学分子生物学
- 神经科学是一个神经科学.
背景情况:
- 激活核红素因子2相关因子2 (Nrf2) 途径是治疗衰老,炎症和神经退行症的治疗策略.
- Keap1通过将其定位为降解来调节Nrf2的稳定性;正规激活器干扰了这种相互作用.
- 由于Keap1度高,移位激活剂在基于细胞的试验中失去功效.
研究的目的:
- 在基于细胞的测试中调查Nrf2激活剂功效丧失的原因.
- 开发一种特定的Nrf2激活剂,有潜力治疗与年龄相关的神经退行.
- 为了识别具有双重Nrf2激活和Bach1抑制特性的化合物.
主要方法:
- 在大脑子区域中确定Nrf2和Keap1度.
- 利用了细胞透性Nrf2的转录组分析,其中含有基化烟酸部分.
- 评估了异环碳胺,HPPE对Nrf2和Bach1通路的活性.
主要成果:
- 基于细胞的测试显示Keap1度明显高于以前的假设,解释了激活剂功率的降低.
- 转录基因分析证实了改性对Nrf2遗传程序的特定激活.
- HPPE与Nrf2激活剂和Bach1抑制剂表现出重叠活性.
结论:
- 向化剂可以实现对Nrf2激活的特定Keap1修饰.
- 通过激活Nrf2和抑制Bach1,HPPE代表了一种有前途的双重作用化合物,用于与年龄有关的神经退行.
- 进一步优化HPPE可能会导致神经退行性疾病的新疗法.
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