对Keap1和同PROTAC的过敏性鼻炎进行化学淘汰
Jianyu Yan1, Tianyu Wang2, Ruizhi Yu1
1The Center for Basic Research and Innovation of Medicine and Pharmacy (MOE), School of Pharmacy, Naval Medical University/Second Military Medical University, Shanghai 200433, China.
Acta pharmaceutica Sinica. B
|September 2, 2025
概括
这项研究引入了一种有效降解Keap1的新型homoPROTAC分子,通过减少氧化应激和炎症,为过敏性鼻炎 (AR) 提供了一个有前途的新疗法.
科学领域:
- 免疫学和分子生物学
- 药物发现和开发
背景情况:
- 过敏性鼻炎 (AR) 是一种广泛的,无法治愈的免疫媒介炎症.
- 凯尔赫类ECH相关蛋白1 (Keap1) - Nrf2通路与AR相关的氧化应激和炎症有关.
研究的目的:
- 在临床AR样本中研究Keap1的生物相关性.
- 设计和验证用于Keap1的化学敲击的新型双价分子.
- 探讨针对AR干预的Keap1治疗潜力.
主要方法:
- 在临床AR患者样本中验证Keap1的作用 (外周血液和鼻).
- 由Keap1同体化和E3连接酶特征启发的新型双价分子的设计.
- 在细胞和动物模型中对三元复合体的表征和性HomoPROTAC分子 (分子8) 的评估.
主要成果:
- 分子8表现出强大的降解Keap1的能力,作为一个homoPROTAC.
- 该化合物有效抑制了各种细胞类型的炎症性细胞因子,包括人类鼻上皮细胞.
- 在AR小鼠模型中,由homoPROTAC诱导的Keap1降解提供了治疗效益,缓解了症状,氧化应激和炎症.
结论:
- 通过homoPROTAC技术针对Keap1系统提供了针对过敏性鼻炎的创新治疗策略.
- 在治疗不可治愈的过敏疾病方面,Keap1的化学降解具有显著的治疗前景.
- 这种方法提供了一种解决AR中氧化应激和炎症的新途径.
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