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相关概念视频

mTOR Signaling and Cancer Progression03:03

mTOR Signaling and Cancer Progression

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The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...
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相关实验视频

Updated: Jul 5, 2025

Quantifying the Brain Metastatic Tumor Micro-Environment using an Organ-On-A Chip 3D Model, Machine Learning, and Confocal Tomography
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解码mTOR信号异质性在瘤微环境使用多重成像和图形卷积网络.

Razan Zuhair, Mark Eastwood, Megan Jones

    bioRxiv : the preprint server for biology
    |January 18, 2024
    PubMed
    概括

    使用多重成像研究瘤微环境 (TME) 复杂性,揭示了结直肠癌中异质的mTOR信号模式. 瘤和免疫细胞中的这些模式显著影响患者的预后,提供新的治疗点.

    科学领域:

    • 在瘤学瘤学.
    • 免疫学 免疫学 免疫学
    • 生物信息学是一种生物信息学.

    背景情况:

    • 瘤微环境 (TME) 在癌症进展中起着关键作用,但其复杂性使得研究具有挑战性.
    • 多复合成像可以同时评估多个TME组件,为更深入的调查提供了强大的工具.

    研究的目的:

    • 研究不同组织区内拉巴胺素 (mTOR) 信号传递的机械标对结直肠癌患者预后的影响.
    • 确定免疫细胞和相关细胞亚群中mTOR活性的预测特征.

    主要方法:

    • 利用了来自746个结直肠瘤的61个标记物的高度多重化数据集.
    • 应用图形神经网络来分析复杂的mTOR信号模式并识别预测特征.
    • 在一个独立的患者队列中使用空间转录学验证的结果.

    主要成果:

    • 在瘤和免疫区间中发现了mTOR信号的异质激活模式.
    • 证明了这些异质的mTOR信号模式和患者预后之间的相关性.
    • 确定了免疫细胞和特定细胞亚群中mTOR活动的关键预测特征.

    结论:

    • 瘤微环境中的复杂mTOR信号显著影响结直肠癌患者的治疗结果.

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  • 这项研究为分析癌症中复杂的细胞信号提供了一个框架.
  • 研究结果为开发基于mTOR的新型治疗策略提供了关键的见解.