681-单细胞多组学揭示T-ALL耐药骨髓祖细胞亚群 episode artwork

EPISODE · Mar 23, 2026 · 21 MIN

681-单细胞多组学揭示T-ALL耐药骨髓祖细胞亚群

from 聊聊Sci

这项研究利用单细胞多组学技术构建了儿童造血发育图谱,旨在揭示T细胞急性淋巴细胞白血病(T-ALL)产生耐药性和复发的生物学机制。研究人员发现了一种特殊的类骨髓祖细胞(BMP-like)亚群,该细胞群与化疗耐药、微小残留病(MRD)阳性及极低的存活率密切相关。通过对40个病例的深入分析,研究证实了NOTCH1突变能驱动癌细胞脱离这种高危的原始状态,而缺乏此类突变的细胞则表现出更强的干性。此外,该多组学特征能够跨亚型预测患者预后,并识别出BMP-like细胞对凋亡诱导药物(如维奈克拉)的敏感性。这一发现为高危T-ALL的精准风险分层和靶向治疗提供了新的分子基础。References: Xu J, Chen C, Sussman J H, et al. A multiomic atlas identifies a treatment-resistant, bone marrow progenitor-like cell population in T cell acute lymphoblastic leukemia[J]. Nature cancer, 2025, 6(1): 102-122.前往小宇宙评论区与主播互动

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681-单细胞多组学揭示T-ALL耐药骨髓祖细胞亚群

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