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Tumor microenvironment and therapeutic response.
文献信息
| DOI | 10.1016/j.canlet.2016.01.043 |
|---|---|
| PMID | 26845449 |
| 期刊 | Cancer letters |
| 影响因子 | 10.1 |
| JCR 分区 | Q1 |
| 发表年份 | 2017 |
| 被引次数 | 1033 |
| 关键词 | 微环境, 耐药性, 靶向治疗 |
| 文献类型 | Journal Article, Review, Research Support, Non-U.S. Gov't |
| ISSN | 0304-3835 |
| 页码 | 61-68 |
| 期号 | 387() |
| 作者 | Ting Wu, Yun Dai |
一句话小结
肿瘤微环境显著影响治疗反应和临床结果,研究发现微环境中的可溶性因子和细胞粘附会导致药物耐受性,因此针对微环境的治疗策略,如抑制细胞外配体-受体相互作用和重新编程免疫反应,将有助于改善治疗效果。开发同时靶向肿瘤细胞和微环境的药物组合可能是克服治疗耐受性的有效途径。
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摘要
肿瘤微环境显著影响治疗反应和临床结果。微环境介导的药物耐受性可以由肿瘤或基质细胞分泌的可溶性因子诱导。肿瘤细胞与基质成纤维细胞或细胞外基质成分的粘附也可能削弱治疗反应。针对微环境的治疗策略包括抑制细胞外配体-受体相互作用及其下游信号通路。免疫细胞既可以改善治疗效果,也可能阻碍其效果,并且在肿瘤微环境中其激活状态可能会有所不同;因此,重新编程免疫反应将会更加有利。开发能够同时靶向肿瘤细胞和微环境的合理药物组合可能是克服治疗耐受性的解决方案。
英文摘要
The tumor microenvironment significantly influences therapeutic response and clinical outcome. Microenvironment-mediated drug resistance can be induced by soluble factors secreted by tumor or stromal cells. The adhesion of tumor cells to stromal fibroblasts or to components of the extracellular matrix can also blunt therapeutic response. Microenvironment-targeted therapy strategies include inhibition of the extracellular ligand-receptor interactions and downstream pathways. Immune cells can both improve and obstruct therapeutic efficacy and may vary in their activation status within the tumor microenvironment; thus, re-programme of the immune response would be substantially more beneficial. The development of rational drug combinations that can simultaneously target tumor cells and the microenvironment may represent a solution to overcome therapeutic resistance.
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主要研究问题
- 肿瘤微环境中哪些特定的细胞因子会导致药物抵抗的增加?
- 如何评估肿瘤微环境对不同类型治疗的影响,特别是免疫治疗?
- 在肿瘤微环境中,哪些信号通路是药物抵抗的关键调控因子?
- 如何设计实验以验证微环境靶向治疗策略的有效性?
- 有哪些新的药物组合可以同时针对肿瘤细胞和微环境,以克服治疗抵抗?
核心洞察
1. 研究背景和目的
肿瘤微环境是指肿瘤细胞所处的周围环境,包括肿瘤细胞、基质细胞、免疫细胞及其分泌的各种因子。近年来,研究发现肿瘤微环境对治疗反应和临床结果有显著影响。微环境中的可溶性因子、细胞黏附及其与基质成分的相互作用,均可能导致药物抗性。因此,本研究旨在探讨肿瘤微环境如何介导药物抗性,并提出相应的治疗策略,以改善疗效。
2. 主要方法和发现
研究通过分析肿瘤微环境中的不同成分,特别是肿瘤细胞与基质细胞之间的相互作用,以及免疫细胞的状态,揭示了微环境在治疗反应中的关键角色。发现肿瘤细胞与基质成分的黏附以及微环境中分泌的因子可以显著减弱治疗效果。此外,研究还指出,免疫细胞的作用是双向的,既可以增强治疗效果,也可能抑制治疗反应。针对这些发现,提出了一种微环境靶向的治疗策略,包括抑制细胞外配体-受体相互作用及其下游信号通路,进一步推动了靶向联合药物的开发。
3. 核心结论
肿瘤微环境在治疗反应中扮演了复杂的角色,通过影响药物的有效性和抗药性,显著影响临床结果。传统治疗策略往往忽视了微环境的作用,因此,重新编程免疫反应和发展能够同时靶向肿瘤细胞及其微环境的合理药物组合,将是克服治疗抗性的关键。
4. 研究意义和影响
本研究为肿瘤治疗提供了新的视角,强调了微环境在抗药性中的重要性,推动了微环境靶向治疗的发展。这一策略不仅能增强现有治疗的效果,还可能为肿瘤免疫治疗的优化提供理论基础。通过综合考虑肿瘤细胞与微环境的相互作用,未来的治疗方案可能会更加有效,提高患者的生存率和生活质量,对肿瘤治疗领域具有重要的推动作用。
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