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| Content Provider | frontiers |
|---|---|
| Author | Li, Jinchuan Zhang, Yi Qu, Zhizhao Ding, Rui Yin, Xiaofeng |
| Description | BackgroundGliomas are the most lethal primary brain tumors and are still a major therapeutic challenge. Oncolytic virus therapy is a novel and effective means for glioma. However, little is known about gene expression changes during this process and their biological functions on glioma clinical characteristics and immunity.MethodsThe RNA-seq data after oncolytic virus EV-A71 infection on glioma cells were analyzed to screen significantly downregulated genes. Once ABCD3 was selected, The Cancer Genome Atlas (TCGA), Chinese Glioma Genome Atlas (CGGA), Genotype-Tissue Expression (GTEx), Clinical Proteomic Tumor Analysis Consortium (CPTAC), and Human Protein Atlas (HPA) data were used to analyze the relationship between ABCD3 expression and clinical characteristics in glioma. We also evaluated the influence of ABCD3 on the survival of glioma patients. CIBERSORT and Tumor Immune Estimation Resource (TIMER) were also used to investigate the correlation between ABCD3 and cancer immune infiltrates. Gene set enrichment analysis (GSEA) was performed to functionally annotate the potential functions or signaling pathways related to ABCD3 expression.ResultsABCD3 was among the top 5 downregulated genes in glioma cells after oncolytic virus EV-A71 infection and was significantly enriched in several GO categories. Both the mRNA and protein expression levels of ABCD3 were upregulated in glioma samples and associated with the prognosis and grades of glioma patients. The Kaplan–Meier (K-M) c... |
| Abstract | Abstract Background: Gliomas are the most lethal primary brain tumors and are still a major therapeutic challenge. Oncolytic viruses’ therapy is a novel and effective means for glioma. However, little is known about gene expression changes during this process, and their biological functions to glioma clinical characteristics and immunity. Methods: The RNA-seq data after oncolytic virus EV-A71 infection on glioma cells was analyzed to screen significantly downregulated genes. Once ABCD3 was selected, The Cancer Genome Atlas (TCGA), Chinese Glioma Genome Atlas (CGGA), Genotype-Tissue Expression (GTEx), Clinical Proteomic Tumor Analysis Consortium (CPTAC) and Human Protein Atlas (HPA) data were used to analyze the relationship between ABCD3 expression and clinical characteristics in glioma. We also evaluated the influence of ABCD3 on survival of glioma patients. CIBERSORT and Tumor Immune Estimation Resource (TIMER) are also used to investigate the correlation between ABCD3 and cancer immune infiltrates. Gene set enrichment analysis (GSEA) was performed to functionally annotate the potential functions or signaling pathways related to ABCD3 expression. Results: ABCD3 was among the top 5 down-regulated genes in glioma cells after oncolytic viruses EV-A71 infection and significant enriched in several Go categories. Both mRNA and protein expression of ABCD3 were up-regulated in glioma samples and associated with prognosis and grades of glioma patients. Kaplan-Meier (K-M) curves analysis revealed that patients with high ABCD3 expression had shorter disease specific survival (DSS) and overall survival (OS) than those with low ABCD3 expression. Moreover, ABCD3 expression could affect the immune infiltration levels and diverse immune marker sets in glioma. A positive correlation was found between ABCD3 and macrophages and active dendritic cells in the microenvironment of both GBM and LGG. Gene sets including plk1 pathway, tyrobp causal network, ir-damage and cellular response and interleukin 10 signaling were showed significantly differential enrichment in ABCD3 high expression phenotype. Conclusion: Our results suggested that ABCD3 could be a potential biomarker for glioma prognosis and immunotherapy response. And also further enriched the theoretical and molecular mechanisms of oncolytic viruses’ treatment for malignant gliomas. |
| ISSN | 22352988 |
| DOI | 10.3389/fcimb.2022.956801 |
| Volume Number | 12 |
| Journal | Frontiers in Cellular and Infection Microbiology |
| Language | English |
| Publisher Date | 2022-07-25 |
| Access Restriction | Open |
| Subject Keyword | Oncolytic virus Glioma Immune infiltrates Biomarker ABCD3 |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Immunology Microbiology Microbiology (medical) |
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