Abstract

ObjectiveTo investigate the expression of the ABCC3 gene in human glioma and its correlation with the patient’s prognosis.MethodsThe cancer genome atlas (TCGA) database was used to analyze the differential expression of the ABCC3 gene in human glioma. The STRING database was used to construct the protein-protein interaction (PPI) network of the ABCC3 gene coding protein. The co-expression genes relevant to the ABCC3 gene were analyzed by the Pearson correlation test. A log-rank test was used to analyze the difference of overall survival (OS) and disease-free survival (DFS) between the high and low ABCC3 gene expression groups.ResultsThe expression level of the ABCC3 gene in glioma tissues was lower than that of corresponding normal brain tissues. The PPI network contains 51 nodes with the average node degree of 13.3 and the local clustering coefficient of 0.72 which indicated that the PPI enrichment was significant (p<0.001). Ten hub genes (ABCC3,NR1I2,NR1H4,-CYP7A1,SLC10A1,CYP3A4,UGT1A1,UGT1A8,UGT1A6 and ALB) were identified by the cytoscape software. The KEGG analysis was enriched in drug metabolism - cytochrome P450 and PPAR signaling pathway. CFI gene expression level was positive correlated with the ABCC3 expression level (r=0.71, p<0.05). And the CNRIP1 gene expressed was negative correlated with ABCC3 expression (r=-0.43, p<0.05). The overall survival (HR=2.8, P<0.05) and disease-free survival rates (HR=2.0, P<0.05) of patients with ABCC3 low expression glioma were significantly higher than those of patients with high expression of ABCC3. Conclusion The expression level of the ABCC3 gene in glioma was decreased compared to normal brain tissue. The overall survival and disease-free survival of in the ABCC3 low-expression group was significant decreased.

Highlights

  • Glioma is a group of tumors in central nervous system

  • The expression level of the ATP binding cassette subfamily C member 3 (ABCC3) gene in glioma tissues was lower than that of normal brain tissues, Figure. 1B; In different subtypes of glioma, there was no significant difference in the expression level of ABCC3 between tumors and normal brain tissues (Figure. 1C)

  • The results suggested that the expression of ABCC3 in glioma tissues was significantly lower than that of normal brain tissues, suggesting that ABCC3 may play an important role in the occurrence and development of glioma

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Summary

Methods

The cancer genome atlas (TCGA) database was used to analyze the differential expression of the ABCC3 gene in human glioma. The STRING database was used to construct the protein-protein interaction (PPI) network of the ABCC3 gene coding protein. The co-expression genes relevant to the ABCC3 gene were analyzed by the Pearson correlation test. A log-rank test was used to analyze the difference of overall survival (OS) and disease-free survival (DFS) between the high and low ABCC3 gene expression groups

Results
Introduction
Expression of ABCC3 gene in glioma
GO and KEGG enrichment
PPI network analysis and hub gene identification
ABCC3 expression in Glioma
PPI web and Hubb gene analysis
GO and KEGG enrichment of ABCC3 and related hub genes
Expression Correlation analysis of ABCC3 in Glioma
Survival analysis of ABCC3
Discussion
Conclusion
Full Text
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