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Tertiary lymphoid structures in anticancer immunity
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DOI：10.1038/s41568-024-00728-0.png)
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Abstract
En 中文
Tertiary lymphoid structures (TLS) are transient ectopic lymphoid aggregates where adaptive antitumour cellular and humoral responses can be elaborated. Initially described in non-small cell lung cancer as functional immune lymphoid structures associated with better clinical outcome, TLS have also been found in many other carcinomas, as well as melanomas and sarcomas, and associated with improved response to immunotherapy. The manipulation of TLS as a therapeutic strategy is now coming of age owing to the likely role of TLS in the improved survival of patients with cancer receiving immune checkpoint inhibitor treatment. TLS have also garnered considerable interest as a predictive biomarker of the response to antitumour therapies, including immune checkpoint blockade and, possibly, chemotherapy. However, several important questions still remain regarding the definition of TLS in terms of both their cellular composition and functions. Here, we summarize the current views on the composition of TLS at different stages of their development. We also discuss the role of B cells and T cells associated with TLS and their dialogue in mounting antibody and cellular antitumour responses, as well as some of the various mechanisms that negatively regulate antitumour activity of TLS. The prognostic value of TLS to the clinical outcome of patients with cancer and the relationship between TLS and the response to therapy are then addressed. Finally, we present some preclinical evidence that favours the idea that manipulating the formation and function of TLS could lead to a potent next-generation cancer immunotherapy. Transient ectopic lymphoid structures known as tertiary lymphoid structures (TLS) have been observed in many solid tumour types. In this Review, Teillaud et al. discuss how these TLS potentially orchestrate immune responses against tumours locally and are positively associated with prognosis and response to immune checkpoint inhibitors. The authors also outline how preclinical studies are highlighting the potential to manipulate the formation and function of TLS as a novel form of immunotherapy.
Keywords:
T-CELL INFILTRATION
HIGH ENDOTHELIAL VENULES
FOLLICULAR DENDRITIC CELLS
INTRATUMORAL PLASMA-CELLS
B-CELLS
TUMOR MICROENVIRONMENT
PROGNOSTIC-SIGNIFICANCE
CYTOKINE PRODUCTION
ANTITUMOR IMMUNITY
CANCER