期刊
AGING-US
卷 12, 期 4, 页码 3451-3472出版社
IMPACT JOURNALS LLC
DOI: 10.18632/aging.102821
关键词
hepatocellular carcinoma; intratumoral tertiary lymphoid structures; early relapse; immune response; immunotherapy
资金
- National Key Technologies RD Program [2018YFC1106800]
- Natural Science Foundation of China [81972747, 81872004, 81800564, 81770615, 81700555, 81672882]
- Science and Technology Support Program of Sichuan Province [2019YFQ0001, 2018SZ0115, 2017SZ0003]
- Science and Technology Program of Tibet Autonomous Region [XZ201801-GB-02]
- 1.3.5 project for disciplines of excellence, West China Hospital, Sichuan University [ZYJC18008]
Tumor-associated tertiary lymphoid structures (TLS) play a critical role in the progression of various tumors. However, the dynamics of lymphocyte recruitment during hepatocellular carcinoma (HCC) clinical progression have not been fully elucidated. In the present study, tissue microarrays and hematoxylin-eosin staining were used to evaluate the existence and degree of TLS in HCC patients. Nine immune biomarkers in intratumoral tissues were examined by immunohistochemical staining. A total of 462 patients were recruited for the study. Kaplan-Meier analysis showed that TLS was inversely correlated with the risk of early tumor recurrence (P=0.014), whereas no association was found between TLS and overall survival. Cox regression analysis identified TLS as an independent prognostic factor for early HCC recurrence (P=0.005). In addition, TLS was associated with increased intratumoral CD3+, CD8+, CD20+, and decreased infiltration of Foxp3+ and CD68+ cells. A lower density of PD1+, TIM3+, and LAG3+ were found in TLS+ cases. Sub-analysis revealed the prognostic value of TLS on early-stage HCC (BCLC 0-A, TNM stage I-II) and HCC with solitary nodule. The validation cohort verified the prognostic value of TLS in early-stage HCC patients. These results suggest that TLS-targeted immune-modulating therapies may be a potential strategy for effective immune-mediated tumor suppression.
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