EPISODE · Jan 30, 2026 · 19 MIN
447-乳腺癌通过下丘脑神经元干扰糖皮质激素节律之研究
from 聊聊Sci
这项发表《Neuron》杂志上的研究，揭示了乳腺癌如何通过远端神经机制干扰宿主的昼夜节律。研究发现，肿瘤会导致大脑下丘脑中PVN CRH神经元的抑制性输入减少，这种去抑制状态引发了神经活动的异常，进而使血液中糖皮质激素的每日波动趋于平缓。这种节律失调不仅降低了患者的生活质量，还通过抑制抗肿瘤免疫加速了癌症的进展。通过在特定时间点进行神经调控来恢复正常的激素节律，可以显著增强CD8+ T细胞在肿瘤内部的浸润。该发现为开发非传统的癌症辅助疗法提供了新视角，即通过精准修复脑-体反馈回路来遏制肿瘤生长。这一研究强调了维持生物钟同步性对于增强人体自然抗癌防御能力的至关重要性。 References: Gomez A M, Wu Y, Zhang C, et al. Aberrant hypothalamic neuronal activity blunts glucocorticoid diurnal rhythms in murine breast cancer[J]. Neuron, 2025. 前往小宇宙评论区与主播互动
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447-乳腺癌通过下丘脑神经元干扰糖皮质激素节律之研究
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