EPISODE · Aug 12, 2026 · 27 MIN
1423-DHA通过调控NRF1抑制内质网应激缓解MASH的机制研究
from 聊聊Sci
这篇研究揭示了转录因子 NRF1 在代谢功能障碍相关脂肪性肝炎（MASH）中的核心保护作用。研究发现，MASH 患者及模型小鼠肝脏中的 NRF1 表达显著降低，导致蛋白酶体功能受损并加剧了内质网应激。通过实验证实，增加肝脏中 NRF1 的含量能有效促进异常蛋白降解，进而缓解肝脏炎症、纤维化及氧化损伤。此外，研究确定了 DHA（二十二碳六烯酸）是一种天然的 NRF1 激活剂，它能通过抑制泛素化来稳定 NRF1 蛋白并促进其入核。这项成果不仅阐明了 DHA 缓解肝损伤的分子机制，还为 MASH 的临床治疗提供了 NRF1 这一潜在的新靶点。References:Lin M, Zhang H, Chen S, et al. NRF1 is upregulated by docosahexaenoic acid to ameliorate MASH through the inhibition of ER stress[J]. Cell Death & Disease, 2026, 17(1): 47.前往小宇宙评论区与主播互动
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1423-DHA通过调控NRF1抑制内质网应激缓解MASH的机制研究
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