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一个独特的瘤微环境使得厌塑性甲状腺癌更致命,但免疫疗法比乳头甲状腺癌更敏感
Pei-Zhen Han1,2, Wei-Dong Ye1,2, Peng-Cheng Yu1,2
1Department of Head and Neck Surgery, Fudan University Shanghai Cancer Center, Shanghai, China.
JCI insight
|March 13, 2024
概括
无塑性甲状腺癌 (ATC) 由于丰富的CXCL13+ T细胞和早期的三级淋巴细胞结构 (TLS),对免疫治疗的反应比乳头甲状腺癌 (PTC) 更好. 法米蒂尼布加上抗PD-1抗体治疗可以在甲状腺癌中推进TLS.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 基因组学就是基因组学.
背景情况:
- 与乳头甲状腺癌 (PTC) 相比,无塑性甲状腺癌 (ATC) 的预后和治疗耐药性更差.
- 免疫疗法显示出差异性的疗效,在ATC中表现更好,而不是在晚期PTC中.
- 了解瘤微环境 (TME) 对于解释这些预后和治疗差异至关重要.
研究的目的:
- 为了生成甲状腺癌的单细胞RNA测序 (scRNA-Seq) 地图.
- 识别有助于它们不同的预测的ATC和PTC的TME差异.
- 探索潜在的治疗策略,以增强甲状腺癌免疫疗法反应.
主要方法:
- 单细胞RNA测序 (scRNA-Seq) 用于分析甲状腺癌样本.
- 在ATC和PTC的TME内对恶性细胞,树皮细胞和免疫细胞进行比较分析.
- 用小鼠模型和scRNA-Seq分析患者的瘤来评估组合治疗的疗效.
主要成果:
- 在ATC和PTC之间的TME组成中发现了明显的差异,与预后相关.
- 发现CXCL13+ T淋巴细胞富含ATC,并可能促进早期的三级淋巴体结构 (TLS) 的形成.
- 与法米替尼和抗PD-1抗体的联合治疗被证明可以在甲状腺癌模型中促进TLS的形成.
结论:
- ATC和PTC的细胞格局显著不同,影响了它们的临床行为.
- 丰富CXCL13+ T细胞和早期TLS可能会导致ATC对免疫疗法的敏感性增加.
- 用法米替尼和抗PD-1抗体向TLS形成是改善甲状腺癌免疫疗法的有希望的策略.
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