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Somatic to iPS Cell Reprogramming01:29

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Reprogramming alters the gene expression in somatic cells, transforming them into induced pluripotent stem (iPS) cells over several generations. Scientists can reprogram cells by introducing genes for four transcription factors—Oct4, Sox2, Klf4, and c-Myc (OSKM) by viral or non-viral methods. These factors are also known as Yamanaka factors after Shinya Yamanaka, who first generated iPS cells using mouse skin cells. Yamanaka was awarded the Nobel Prize in Physiology or Medicine in 2012 for this...

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单细胞MultiOmics和空间转录组学表明神经母细胞瘤的发育可塑性.

Yunyun Xu1, Daohua Lou2, Ping Chen3

  • 1Pediatric Clinical Research Institute, Children's Hospital Affiliated to Soochow University, Suzhou, Jiangsu 215000, China.

Developmental cell
|May 10, 2025
PubMed
概括
此摘要是机器生成的。

神经母细胞瘤是一种常见的儿科癌症,表现出发育性可塑性. 这项研究揭示了中间状态和表观遗传原始驱动高风险瘤过渡,提供了新的治疗点.

关键词:
发展发展发展发展发展.发展性可塑性 发展性可塑性这是表观遗传原始化.基因监管网络 基因监管网络中间国家的中间状态.内异质性的异质性微环境是一个微环境.神经母细胞瘤的神经母细胞瘤一个单细胞的MultiOmics.空间转录学 空间转录学

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科学领域:

  • 儿科瘤学 儿科瘤学
  • 癌症生物学 癌症生物学
  • 发展生物学 发展生物学

背景情况:

  • 神经母细胞瘤是最常见的脑外儿科固体瘤,起源于神经细胞.
  • 高危神经母细胞瘤由于其发育可塑性和异质性,其生存率很低 (<50%).
  • 神经母细胞瘤的可塑性背后的调节机制尚未得到充分理解.

研究的目的:

  • 剖析控制神经母细胞瘤发育状态的转录和表观遗传景观.
  • 确定驱动高风险神经母细胞瘤恶性转变的关键调节机制.
  • 探索针对转录因子的潜在治疗策略.

主要方法:

  • 从小鼠自发瘤模型中利用单细胞MultiOmics.
  • 在人类患者样本上使用空间转录学.
  • 映射了增强基因调控网络 (eGRNs) 和瘤微环境.

主要成果:

  • 在高危神经母细胞瘤中确定了关键的发育中间状态.
  • 发现了广泛的表观遗传原始,使各种状态过渡成为可能.
  • 绘制了eGRNs和瘤微环境,维持了侵略性神经母细胞瘤状态.

结论:

  • 发育中期状态和表观遗传原始化是高风险神经母细胞瘤进展的关键.
  • 针对控制eGRN的转录因子提供了一个潜在的治疗途径.
  • 了解这些调节机制可以改善神经母细胞瘤治疗结果.