EPISODE · May 28, 2026 · 18 MIN
1041-甲羟戊酸激酶缺乏症中的NK细胞功能障碍
from 聊聊Sci
这项研究揭示了甲羟戊酸激酶缺乏症（MKD）引发自身炎症的新机制，重点阐述了自然杀伤（NK）细胞在其中的关键作用。研究发现，MKD患者及小鼠模型普遍存在成熟NK细胞减少以及蛋白质异戊二烯化受损的现象，这直接导致了细胞内溶细胞颗粒转运障碍和杀伤能力下降。由于这种免疫缺陷，机体在应对病毒感染时无法有效清除病原体，反而触发了干扰素-γ（IFN-γ）的过度分泌，进而诱发系统性炎症。实验证明，JAK抑制剂能够有效阻断异常的细胞因子信号，为临床治疗这种严重的单基因遗传病提供了新的理论依据和潜在方案。References:Munoz M A, Schuster I S, Cremasco J, et al. NK cell dysfunction and interferon gamma production underlie autoinflammation in mevalonate kinase deficiency[J]. Immunity, 2026.前往小宇宙评论区与主播互动
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1041-甲羟戊酸激酶缺乏症中的NK细胞功能障碍
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