瘤微环境:培养癌细胞的免疫规避和癌症免疫治疗的药物易受伤害
Hongyang Yu1, Jinyang Li1, Shiyin Peng2
1Department of Gastroenterology, Chongqing Key Laboratory of Digestive Malignancies, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, 400042, China.
瘤微环境 (TME) 通过各种机制帮助癌细胞逃避免疫监测. 针对TME组件提供了有希望的策略,以提高抗癌免疫疗法的有效性.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 癌症生物学 癌症生物学
背景情况:
- 瘤微环境 (TME) 是一个复杂的生态系统,支持癌细胞的生存和免疫规避.
- 癌细胞使用内在的机制来抑制宿主免疫系统,促进瘤的进展.
研究的目的:
- 审查TME促进癌症免疫逃避的机制.
- 探索缺氧和其他TME成分在促进癌症脱离免疫监测中的作用.
- 讨论针对TME的治疗策略,以改善免疫治疗结果.
主要方法:
- 关于瘤微环境和癌症免疫学研究的文献综述.
- 对癌症免疫逃避的分子和细胞机制的分析.
- 综合有关TME组件的当前知识及其对免疫治疗的影响.
主要成果:
- 缺氧是TME内的癌症免疫逃避的关键调节者.
- 细胞外基质和可溶性因子 (例如炎症因子,乳酸盐,营养素,细胞外囊泡) 导致免疫逃避.
- 癌细胞利用TME特征来抑制免疫反应,损害抗原呈现,并争夺营养.
结论:
- 在癌症逃避免疫监测的能力方面,TME起着至关重要的作用.
- 准TME组件为新的治疗策略提供了一个有希望的途径.
- 调节TME可以使瘤对免疫疗法敏感,例如免疫检查点封锁.
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