三级淋巴细胞结构中的淋巴细胞功能预测肝细胞癌的结果
Jieying Li1, Haiyan Xu1, Jiayi Han1
1Department of Clinical and Translational Research Center, Affiliated Hospital of Nantong University & Department of Pathology, Medical School of Nantong University, Jiangsu, China.
Laboratory investigation; a journal of technical methods and pathology
|September 29, 2024
概括
三级淋巴体结构 (TLS) 的存在与肝细胞癌 (HCC) 的更好的存活率相关. 然而,TLS成熟和细胞组成显著影响患者的预后,影响抗瘤免疫力.
科学领域:
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
- 病理学 病理学 病理学
背景情况:
- 三级淋巴体结构 (TLS) 越来越多地被认为与肝细胞癌 (HCC) 患者的治疗结果有关.
- 在TLS中细胞组成的异质性及其对HCC整体存活时间 (OS) 的影响仍然未得到充分研究.
- 了解TLS特征对于预测HCC预后和开发免疫疗法至关重要.
研究的目的:
- 研究TLS存在,成熟,细胞组成和HCC免疫细胞透之间的关系.
- 确定TLS特征的预后意义及其与患者整体存活率 (OS) 的关联.
- 探索TLS内的免疫检查点分子的表达及其与TLS特征的相关性.
主要方法:
- 多重体免疫光学被用来分析150名HCC患者的癌症组织.
- 评估了TLS的存在,成熟状态和细胞组成 (T细胞,B细胞).
- 免疫细胞透,扩散标记物 (例如,激活诱导的细胞氨酸脱氨酶,CD45RO) 和免疫检查点分子 (CTLA-4,PD-1,PD-L1,LAG-3) 被量化.
主要成果:
- 在47.3%的HCC病例中检测到TLS,并且与较高的内淋巴细胞透相关.
- 存在TLS和较高比例的成熟TLS与更好的预后显著相关 (P = .013和P = .03,分别).
- 在TLS内部的淋巴细胞增殖反映了内增殖. 高比例的激活B细胞和CD8+T细胞预测了改善的生存状况,而特定的B细胞种群与较差的生存状况相关. 在TLS阴性瘤中观察到CTLA-4+细胞减少.
结论:
- TLS的存在与改善HCC患者的整体存活率有关.
- 在成熟和细胞组成方面,TLS表现出显著的异质性,影响预后意义.
- 包括淋巴细胞功能和组成在内的TLS特征可以促进或阻碍抗瘤免疫力,影响HCC患者的结果.
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