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突变的FGFR1是高风险神经母细胞瘤的致癌驱动因素和治疗点
Lisa Werr1, Jana Boland1, Josephine Petersen1
1Department of Experimental Pediatric Oncology and Hematology, University of Cologne, Cologne, Germany.
The Journal of clinical investigation
|February 12, 2026
概括
纤维细胞生长因子受体1 (FGFR1) 突变驱动高风险神经母细胞瘤. FGFR1 抑制剂对治疗这种侵袭性癌症充满希望,提供新的治疗途径.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 遗传学 遗传学 是一个
背景情况:
- 神经母细胞瘤经常含有纤维细胞生长因子受体1 (FGFR1) 突变,特别是在p.N546.6.
- 突变FGFR1作为癌症驱动因素,预测生物标志物和神经母细胞瘤治疗点的作用尚未完全阐明.
研究的目的:
- 调查神经母细胞瘤中FGFR1 p.N546突变的致癌潜力.
- 评估突变FGFR1作为高风险疾病的预测生物标志物.
- 评估FGFR1-突变神经母细胞瘤对FGFR抑制剂的治疗脆弱性.
主要方法:
- 在Ba/F3细胞中FGFR1N546K的宫外表达,以评估瘤信号和扩散.
- 为体内研究生成FGFR1N546K;MYCN转基因小鼠模型.
- 用FGFR抑制剂治疗细胞系和小鼠模型.
- 对患者衍生异种移植模型和耐火性神经母细胞瘤患者的评估.
主要成果:
- FGFR1 p.N546突变与高风险的神经母细胞瘤,快速进展和患者不良结果相关.
- 宫外FGFR1N546K表达导致构成信号和互白素-3独立生长,这表明癌基因成.
- 在临床前模型中,FGFR抑制剂有效地减少FGFR1-突变细胞中的增殖和通路激活,并抑制瘤生长.
- 一名患有耐火性神经母细胞瘤的患者在使用富图巴提尼布和化疗时显示出部分瘤回归.
结论:
- 在神经母细胞瘤中,FGFR1N546K作为一种强大的瘤驱动剂,与标准化疗治疗失败有关.
- 准FGFR信号传递对患有FGFR1突变高风险神经母细胞瘤的患者来说是一个有前途的治疗策略.
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