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Gene expression profile of hepatocellular carcinoma with marked immune cell infiltration II

ABSTRACT: Gene expression profile of hepatocellular carcinoma with marked immune cell infiltration II

PROVIDER: PRJNA513314 | ENA |

REPOSITORIES: ENA

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Gene expression profile of hepatocellular carcinoma with marked immune cell infiltration II

Project description:Tumor microenvironmental characteristics using gene expression profiles in hepatocellular carcinoma with marked immune stroma (HCC-IS) compared to conventional hepatocellular carcinoma (C-HCC).

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Gene expression profile of hepatocellular carcinoma with marked immune cell infiltration I

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WISP2/CCN5 is a prognostic biomarker influenced by tumour purity and fibroblast infiltration in hepatocellular carcinoma

Project description:Background Hepatocellular carcinoma (HCC) is the second leading cause of cancer death worldwide. The dismal outcome is attributable to high frequency of recurrence and metastasis. Therefore, identification of effective biomarkers is a key strategy to inform prognosis and improve survival of HCC patients Methods We analysed expression of WNT-1-induced signalling protein-2 (WISP2) and the prognostic correlation in HCC patients using Oncomine, Kaplan Meier plotter, and Gene Expression Profiling Interactive Analysis 2 (GEPIA2) . We explored the role of WISP2 in HCC using the Cancer Cell Line Encyclopedia (CCLE) and gene microarrays and then assessed the correlation between WISP2 and stromal cells in tumour tissues using the Tumor IMmune Estimation Resource (TIMER). Finally, the role of WISP2 and its relationship with tumour purity and fibroblast infiltration were examined both in vitro and in vivo. Results WISP2 was downregulated in HCC tissues, and high expression of WISP2 was associated with better prognosis in patients with certain clinicopathologic characteristics. Upregulation of WISP2 in HCC was related to inhibition of the malignant phenotype in vitro, but these alterations were not observed in vivo . WISP2 also negatively correlated with tumour purity, and increased infiltration of fibroblasts promoted malignant progression in HCC tissues. The enhanced infiltration ability of fibroblasts was related to upregulated high-mobility group protein 1 (HMGB1) after overexpression of WISP2 in HCC. Conclusions The findings shed light on the anticancer role of WISP2 in HCC, suggest that WISP2 overexpression may serve as a biomarker for better prognosis, and indicate that WISP2 expression is influenced by tumour purity and fibroblast infiltration.

2019-07-20 | GSE134563 | GEO

MTFR2 shapes a barrier of immune microenvironment in hepatocellular carcinoma

Project description:Hepatocellular carcinoma (HCC) is a leading cause of cancer-related death in the world. Mitochondrial fission regulator 2 (MTFR2) is involved in the development of various cancers. However, the roles of MTFR2 in HCC remain unknown. In this study, we conducted a comprehensive analysis of MTFR2 in HCC, which was generated from integrative MTFR2 analyses of eight HCC cell lines, and three datasets (public dataset, real-world dataset, immunotherapy dataset) derived from bulk HCC tissues, survival and immunotherapy data. We demonstrated that the expression level of MTFR2 is up-regulated in HCC, leading to poor prognosis. MTFR2 is positively correlated with the level of immune cell infiltration, multiple immune checkpoints and immunotherapy response prediction pathways, and act important role in cancer-immunity cycle. In conclusion, our work indicates that MTFR2 can shape a barrier of immune microenvironment and result in poor prognosis in hepatocellular carcinoma, but the immune barrier may be broken by immunotherapy.

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Preoperative immune landscape predisposes adverse outcomes in hepatocellular carcinoma patients with liver transplantation

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