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Published on: July 18, 2013
HPV-Driven Immune Evasion in Cervical Cancer: Transcriptomic Identification of Downregulated Hub Genes and Suppressed
Sana Ismael Ameen1, Mahla Masoudi2, Hossein Azizi2
1Department of Gynecology and Obstetrics, Faculty of General Medicine, Koya University, Koya 44023, Kurdistan Region, Iraq.
Abstract:
Cervical cancer progression, particularly in the context of HPV infection, is driven by complex transcriptional alterations within the tumor microenvironment. Understanding the molecular mechanisms underlying HPV-induced immune evasion is crucial for developing effective therapeutic strategies. Transcriptomic analyses were performed using three independent datasets (GSE127265, GSE166466, and GSE218460) to identify differentially expressed genes (DEGs) between HPV-positive and HPV-negative cervical cancer samples. Protein-protein interaction networks were constructed using Cytoscape and STRING, and immune infiltration was assessed via the TIMER database. A total of 572 DEGs were commonly identified between tumor and normal tissues, with HPV-positive samples showing distinct transcriptional profiles. Several downregulated hub genes were associated with immune regulation and receptor tyrosine kinase signaling. Immune infiltration analysis revealed altered dendritic cell and T cell patterns, indicating HPV-mediated immune modulation. Pathway enrichment identified the leukocyte transendothelial migration pathway as a key mechanism impaired by HPV infection. These findings highlight the critical role of immune-related hub genes in HPV-driven cervical cancer progression and suggest potential therapeutic targets to counteract HPV-induced immune suppression.
Insights
Human Papillomavirus (HPV) infection drives cervical cancer through gene expression changes impacting the tumor microenvironment. Key immune-related genes are altered, affecting immune cell patterns and potentially offering new therapeutic targets.
Area of Science:
- Oncology
- Immunology
- Genomics
Background:
- Cervical cancer progression is linked to Human Papillomavirus (HPV) infection and tumor microenvironment alterations.
- Understanding HPV-induced immune evasion mechanisms is vital for effective cervical cancer therapies.
Purpose of the Study:
- To identify differentially expressed genes (DEGs) in HPV-positive versus HPV-negative cervical cancer.
- To explore the role of these DEGs in immune evasion and identify potential therapeutic targets.
Main Methods:
- Transcriptomic analysis of three independent cervical cancer datasets (GSE127265, GSE166466, GSE218460).
- Construction of protein-protein interaction networks using Cytoscape and STRING.
- Assessment of immune infiltration using the TIMER database and pathway enrichment analysis.
Main Results:
- Identified 572 common DEGs between tumor and normal tissues, with distinct profiles in HPV-positive samples.
- Downregulated hub genes were linked to immune regulation and receptor tyrosine kinase signaling.
- Observed altered dendritic cell and T cell infiltration, implicating HPV in immune modulation and impaired leukocyte transendothelial migration.
Conclusions:
- Immune-related hub genes play a critical role in HPV-driven cervical cancer progression.
- Findings suggest potential therapeutic strategies targeting HPV-induced immune suppression.
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