Abstract
Background
Transmembrane protein 92 (TMEM92) has been implicated in the facilitation of tumor progression. Nevertheless, comprehensive analyses concerning the prognostic significance of TMEM92, as well as its role in immunological responses across diverse cancer types, remain to be elucidated.
Methods
In this study, data was sourced from a range of publicly accessible online platforms and databases, including TCGA, GTEx, UCSC Xena, CCLE, cBioPortal, HPA, TIMER2.0, GEPIA, CancerSEA, GDSC, exoRBase, and ImmuCellAI. We systematically analyzed the expression patterns of TMEM92 at both mRNA and protein levels across diverse human organs, tissues, extracellular vesicles (EVs), and cell lines associated with multiple cancer types. Subsequently, analyses were conducted to determine the relationship between TMEM92 and various parameters such as prognosis, DNA methylation, copy number variation (CNV), the tumor microenvironment (TME), immune cell infiltration, genes with immunological relevance, tumor mutational burden (TMB), microsatellite instability (MSI), mismatch repair (MMR), and half-maximal inhibitory concentration (IC50) values.
Results
In the present study, we observed a pronounced overexpression of TMEM92 across a majority of cancer types, which was concomitantly associated with a less favorable prognosis. A notable association emerged between TMEM92 expression and both DNA methylation and CNV. Furthermore, a pronounced relationship was discerned between TMEM92 expression, the TME, and the degree of immune cell infiltration. Intriguingly, while TMEM92 expression displayed a positive correlation with macrophage presence, it inversely correlated with the infiltration level of CD8 + T cells. Concurrently, significant associations were identified between TMEM92 and the major histocompatibility complex, TMB, MSI, and MMR. Results derived from Gene Set Enrichment Analysis and Gene Set Variation Analysis further substantiated the nexus of TMEM92 with both immune and metabolic pathways within the oncogenic context.
Conclusions
These findings expanded the understanding of the roles of TMEM92 in tumorigenesis and progression and suggest that TMEM92 may have an immunoregulatory role in several malignancies.
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Data availability
All data generated or analysed during this study are included in this article. Further enquiries can be directed to the corresponding author.
Abbreviations
- ACC:
-
Adrenocortical carcinoma
- BLCA:
-
Bladder urothelial carcinoma
- BRCA:
-
Breast invasive carcinoma
- CESC:
-
Cervical squamous cell carcinoma and endocervical adenocarcinoma
- CHOL:
-
Cholangio carcinoma
- COAD:
-
Colon adenocarcinoma
- DLBC:
-
Lymphoid neoplasm diffuse large B-cell lymphoma
- ESCA:
-
Esophageal carcinoma
- ESCC:
-
Esophageal squamous cell carcinoma
- GBM:
-
Glioblastoma multiforme
- HNSC:
-
Head and neck squamous cell carcinoma
- KICH:
-
Kidney chromophobe
- KIRC:
-
Kidney renal clear cell carcinoma
- KIRP:
-
Kidney renal papillary cell carcinoma
- LAML:
-
Acute myeloid leukemia
- LGG:
-
Brain lower grade glioma
- LIHC:
-
Liver hepatocellular carcinoma
- LUAD:
-
Lung adenocarcinoma
- LUSC:
-
Lung squamous cell carcinoma
- MEL:
-
Melanoma
- MESO:
-
Mesothelioma
- OV:
-
Ovarian serous cystadenocarcinoma
- PAAD:
-
Pancreatic adenocarcinoma
- PCPG:
-
Pheochromocytoma and paraganglioma
- PRAD:
-
Prostate adenocarcinoma
- READ:
-
Rectum adenocarcinoma
- SKCM:
-
Skin cutaneous melanoma
- TGCT:
-
Testicular germ cell tumors
- THCA:
-
Thyroid carcinoma
- THYM:
-
Thymoma
- UCEC:
-
Uterine corpus endometrial carcinoma
- UCS:
-
Uterine carcinosarcoma
- UVM:
-
Uveal melanoma
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Acknowledgements
We would like to acknowledge the hard and dedicated work of all the staff that implemented the intervention and evaluation components of the study.
Funding
This study was funded by Natural Science Foundation of Hebei Province (No. H2022206221) Medical science research project of Hebei Province (No. 20240095)
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Conception and design of the research: Wu Z, Wang ZY. Acquisition of data: Zhang YH, Guo SH, Liu Y. Analysis and interpretation of the data: Liu Y, Zhang L, Li W. Statistical analysis: Guo SH, Liu Y. Obtaining financing: Wu Z. Writing of the manuscript: Wu Z, Pan T. Critical revision of the manuscript for intellectual content: Li W, Zhang YH, Wang ZY. All authors read and approved the final draft.
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Wu, Z., Pan, T., Li, W. et al. Comprehensive pan-cancer analysis reveals prognostic implications of TMEM92 in the tumor immune microenvironment. Clin Transl Oncol (2024). https://doi.org/10.1007/s12094-024-03477-6
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DOI: https://doi.org/10.1007/s12094-024-03477-6