通过抑制神经炎症,iRhom2删除可以保护糖尿病神经病变
Vitoria Mattos Pereira1, Isabelle Dove Wasseen2, Zhaojie Zhang2
1College of Health Sciences, School of Pharmacy, and the Biomedical Sciences Interdisciplinary Graduate Program, University of Wyoming, Laramie, Wyoming.
The Journal of pharmacology and experimental therapeutics
|February 10, 2026
概括
不活跃的状蛋白2 (iRhom2) 在糖尿病外围神经病变 (DPN) 中驱动神经炎症. 删除对小鼠DPN保护的iRhom2,为这种常见的糖尿病并发症提供了一个新的治疗点.
科学领域:
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
- 内分泌学 在内分泌学.
背景情况:
- 糖尿病外围神经病变 (DPN) 是一种常见的,痛苦的糖尿病并发症,由神经炎症驱动.
- 目前对DPN的治疗方法有限,需要新的治疗点.
- 一种分解蛋白和金属蛋白酶17 (ADAM17) 与炎症有关,但其广泛表达使向复杂化.
研究的目的:
- 为了研究非活性状蛋白2 (iRhom2),ADAM17辅因子,在DPN的发展中的作用.
- 通过一种葡萄糖独立的机制来确定iRhom2删除是否提供了对DPN的保护.
主要方法:
- 在野生型和iRhom2淘汰赛小鼠中,使用链杆菌素诱导糖尿病.
- 通过机械和热敏感性测试来评估神经病痛.
- 进行了基因表达,组织学和体外微质细胞测试.
主要成果:
- 在iRhom2淘汰赛小鼠中,不管葡萄糖水平如何,它们都受到DPN相关疼痛缺陷的保护.
- 在糖尿病神经中,iRhom2删除显著减弱了ADAM17,iRhom2和TNF-α表达的增加.
- 神经组织结构被保存,并且在糖尿病iRhom2淘汰赛小鼠中减少了炎症透.
- 在微质细胞中,iRhom2沉默降低了高葡萄糖诱导的氧化应激和炎症介质释放.
结论:
- 通过促进神经炎症和氧化应激,iRhom2是DPN发病的关键调解者.
- 准iRhom2为DPN提供了一个有前途的治疗策略,独立于血糖控制.
- iRhom2代表了预防或治疗糖尿病外围神经病变的新目标.
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