Genomics

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Copy number alteration burden differentially impacts immune profiles and molecular features of hepatocellular carcinoma


ABSTRACT: Here, we show that in hepatocellular carcinoma (HCC, the most prevalent form of primary liver cancer), tumours with a high burden of broad genomic alterations presented immune exclusion. On the other hand, HCC tumours with a reduced rate of broad genomic alterations were enriched in the HCC immune class, exhibited inflammatory traits and were cleared from CTNNB1 mutations. Overall, we propose that, in HCC, the acquisition of high-levels of broad copy number alterations might be implicated in the development of immune evasion, and that tumours presenting a reduced rate of these broad alterations display an immune profile which may indicate a favourable response to immunotherapies.

ORGANISM(S): Homo sapiens

PROVIDER: GSE153338 | GEO | 2023/06/25

REPOSITORIES: GEO

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