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Verification of Genetic Differences and Immune Cell Infiltration Subtypes in the Neuroblastoma Tumour Microenvironment During Immunotherapy

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Publisher Biomed Central
Date 2022 Jun 1
PMID 35643506
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Abstract

Background: Improved understanding of the tumour microenvironment (TME) has enabled remarkable advancements in research on cancer progression in the past few years. It is crucial to understand the nature and function of the TME because precise treatment strategies, including immunotherapy, for managing specific cancers have received widespread attention. The immune infiltrative profiles of neuroblastoma (NB) have not yet been completely illustrated. The purpose of this research was to analyse tumour immune cell infiltration (ICI) in the microenvironment of NB.

Methods: We applied the CIBERSORT and ESTIMATE algorithms to evaluate the ICI status of 438 NB samples. Three ICI models were selected, and ICI scores were acquired. Subgroups with high ICI scores determined based on the presence of immune activation signalling pathways had better overall survival.

Results: Genes involved in the immunosuppressive heparan sulphate glycosaminoglycan biosynthesis signalling pathway were markedly enriched in the low ICI score subgroup. It was inferred that patients with high ICI NB subtypes were more likely to respond to immunotherapy and have a better prognosis than those of patients with low ICI NB subtypes.

Conclusion: Notably, our ICI data not only provide a new clinical and theoretical basis for mining NB prognostic markers related to the microenvironment but also offer new ideas for the development of NB precision immunotherapy methods.

Citing Articles

Biological Insight and Recent Advancement in the Treatment of Neuroblastoma.

Rivera Z, Escutia C, Madonna M, Gupta K Int J Mol Sci. 2023; 24(10).

PMID: 37239815 PMC: 10218416. DOI: 10.3390/ijms24108470.

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