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相关概念视频

The Tumor Microenvironment02:17

The Tumor Microenvironment

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Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
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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.
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Introduction to Fibroblasts01:09

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Rudolph Virchow discovered spindle-shaped cells called fibroblasts in 1858. Inactive fibroblasts, called fibrocytes, become activated by various stimuli, such as growth factors and inflammatory cytokines. Activated fibroblasts play a crucial role in wound healing, inflammation, formation of new blood vessels, and cancer progression. Uncontrolled activation of fibroblasts results in fibrosis, the excess deposition of fibrous tissue, which can lead to scarring and affect normal organs. This...
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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
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Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
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相关实验视频

Updated: Sep 15, 2025

Isolation of Primary Cancer-Associated Fibroblasts from a Syngeneic Murine Model of Breast Cancer for the Study of Targeted Nanoparticles
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与癌症相关的纤维细胞:异质性,癌症发病性和治疗点

Yutao Li1,2,3,4, Qingyun Liu1,2,3, Xilin Jing1,2,3,4

  • 1Department of Thoracic Surgery Peking University People's Hospital Beijing China.

MedComm
|July 14, 2025
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概括

癌症相关纤维细胞 (CAF) 是多样化的细胞,可以促进或抑制瘤生长. 了解CAF亚型是开发有针对性的治疗方法的关键,这些疗法可以破坏瘤-肌瘤共同进化并克服耐药性.

关键词:
与癌症相关的纤维细胞.异质性的异质性病变的发生和发病.这是一个超神论者.瘤微环境是一个微环境.

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科学领域:

  • 在瘤学瘤学.
  • 癌症生物学 癌症生物学
  • 瘤微环境研究 研究

背景情况:

  • 癌症相关纤维细胞 (CAFs) 是瘤微环境 (TME) 中的关键 stromal 调节者,影响瘤进展,转移和治疗抵抗.
  • 最近的单细胞多组学和空间转录学揭示了不同的CAF亚型,其作用取决于环境,能够促进免疫抑制或抑制瘤生长.
  • CAF的功能双重性对开发有效的治疗策略提出了挑战.

研究的目的:

  • 根据来源,生物标志物和TME特定功能的基础上系统地分类CAF亚型.
  • 审查CAFs在化学抵抗,茎状维护和免疫抑制利基形成中的作用.
  • 评估针对CAF及其信号通路的新兴治疗策略.

主要方法:

  • 对CAF亚型进行系统审查和分类.
  • 分析化学抵抗,干性和免疫抑制中的作用.
  • 评估新兴的治疗策略,包括选择性消耗,表观遗传重编程和途径抑制.

主要成果:

  • 识别了具有独特分子特征和空间分布的保存CAF亚型.
  • 强调CAFs促进免疫抑制或抑制瘤生长的双重能力.
  • 评估了向方法,如FAP+CAF耗尽和CXCL12/CXCR4抑制.

结论:

  • 开发特定亚型的生物标志物和精确的 stromal 疗法对于破坏瘤-stroma 同进化至关重要.
  • 空间多组学驱动的组合疗法,例如将CAF向与免疫检查点抑制剂相结合,提供了克服微环境驱动抗性的策略.
  • 本综述为将CAF生物学与临床创新的转化进展相结合提供了路线图.