CD57定义了一种新的癌症干细胞,它驱动了扩散性儿科类型高等级质瘤的入侵
Lin Qi1,2,3, Yuchen Du2,3, Yulun Huang3,4
1Shenzhen Key Laboratory for Systems Medicine in Inflammatory Diseases, School of Medicine, Sun Yat-sen University, Shenzhen, Guangdong, 510080, China.
British journal of cancer
|June 4, 2024
概括
儿科高度质瘤 (pHGG) 的扩散入侵是由特定的癌症干细胞 (CSC) 驱动的. CD57被确定为一种新的CSC标记物,CD57+CD133-和CD57+CD133+细胞驱动pHGG入侵.
科学领域:
- 神经瘤学神经瘤学
- 癌症干细胞生物学
- 质瘤研究 质瘤研究
背景情况:
- 扩散入侵是治疗儿科高度质瘤 (pHGG) 的一个主要挑战,导致治疗失败.
- 确定驱动pHGG入侵的细胞机制对于开发有效的抗入侵疗法至关重要.
研究的目的:
- 确定在儿科高度质瘤 (pHGG) 中扩散入侵的细胞驱动因素.
- 研究CD133和CD57标记物在质瘤干细胞 (CSC) 中的作用及其侵入性潜力.
主要方法:
- 从十个高度侵入性的患者衍生型正位异种移植 (PDOX) 模型中分离了侵入性 (HGG INV) 和瘤核心 (HGG TC) 细胞对.
- 使用CD133和CD57标记物进行癌症干细胞 (CSC) 分析,以分析侵入性前端的细胞群.
- 通过在小鼠大脑中进行直接植入和细胞枯竭实验,评估不同CSC亚群的自我更新能力和侵入性潜力.
主要成果:
- pHGG INV细胞与它们匹配的 pHGG TC对应物相比,表现出本质上更高的侵入性.
- CD57+CD133-细胞被确定为最丰富的CSC在入侵前线,显示最高的自我更新能力,通过NANOG和SHH.
- CD57+细胞的直接植入 (CD57+/CD133-和CD57+/CD133+) 导致了扩散的入侵,而CD57+细胞的耗尽则废除了入侵.
结论:
- 证实CD57是质瘤干细胞的新型标记物.
- CD57+CD133-和CD57+CD133+细胞被确定为pHGG入侵的关键细胞驱动因素.
- 提出了HGG干细胞的新双模式层次结构,强调了CD57表达在入侵中的重要性.
相关概念视频
Cancer Stem Cells and Tumor Maintenance
4.9K
Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
4.9K
Distinctive Features of Adult Stem Cells vs Cancer Stem Cells
3.4K
A stem cell is an unspecialized cell that can divide without limit as needed and can, under specific conditions, differentiate into specialized cells.
Adult stem cells
Adult stem cells are tissue-specific; hence, they divide to develop the tissue from which they originate. One type of adult stem cell is the epithelial stem cell, which gives rise to the keratinocytes in the multiple layers of epithelial cells in the epidermis of the skin. Adult bone marrow has three distinct types of stem cells:...
Adult stem cells
Adult stem cells are tissue-specific; hence, they divide to develop the tissue from which they originate. One type of adult stem cell is the epithelial stem cell, which gives rise to the keratinocytes in the multiple layers of epithelial cells in the epidermis of the skin. Adult bone marrow has three distinct types of stem cells:...
3.4K


