1408-USP14通过稳定SLC1A5克服卵巢癌对PARP抑制剂的耐药性 episode artwork

EPISODE · Aug 9, 2026 · 27 MIN

1408-USP14通过稳定SLC1A5克服卵巢癌对PARP抑制剂的耐药性

from 聊聊Sci

这项研究揭示了卵巢癌对PARP抑制剂(如奥拉帕利)产生耐药性的关键分子机制。研究发现,耐药细胞会通过提升SLC1A5蛋白的水平来增强谷氨酰胺代谢,进而加速DNA损伤修复并抑制细胞凋亡。实验证实,去泛素化酶USP14能直接结合并稳定SLC1A5,防止其被降解,从而驱动这种代谢重编程。临床数据显示,SLC1A5的高表达与患者预后不良密切相关。研究最后提出,将SLC1A5抑制剂V-9302与奥拉帕利联合使用,能显著增强治疗效果。这一发现为克服卵巢癌耐药性提供了USP14–SLC1A5轴这一新的治疗靶点。References:Han F, Du H, Tian K, et al. Targeting SLC1A5-mediated glutamine metabolism overcomes PARP inhibitor resistance in ovarian cancer[J]. Cell Death & Disease, 2026.前往小宇宙评论区与主播互动

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1408-USP14通过稳定SLC1A5克服卵巢癌对PARP抑制剂的耐药性

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