Pan-cancer analysis of T-cell proliferation regulatory genes as potential immunotherapeutic targets

Ruqiong Wei1, Shihui Xiao2, Shijian Zhao3

  • 1Department of Rehabilitation Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, China.

Aging
|July 28, 2024
PubMed

Insights

Understanding T-cell proliferation regulatory genes is crucial for cancer immunotherapy. These genes significantly impact the tumor immune microenvironment and patient prognosis, offering potential therapeutic targets.

Area of Science:

  • Immunology
  • Oncology
  • Genetics

Background:

  • T cells are vital for anti-tumor immunity, but their precise role in cancer progression remains unclear.
  • A deeper understanding of T-cell proliferation regulatory genes is needed to elucidate their function in tumorigenesis.
  • Investigating these genes can reveal novel therapeutic strategies for cancer immunotherapy.

Purpose of the Study:

  • To analyze the expression, prognostic impact, and genetic variations of T-cell proliferation regulatory genes in various cancers.
  • To explore the associations of these genes with tumor mutational burden (TMB), microsatellite instability (MSI), and immune microenvironment scores.
  • To evaluate the role of these genes in cancer-related pathways and their potential as therapeutic targets.

Main Methods:

  • Gene expression analysis, genetic variation assessment, Gene Set Enrichment Analysis (GSEA).
  • Tumor Mutational Burden (TMB), Microsatellite Instability (MSI), ESTIMATE, ImmuneScore, StromalScore analyses.
  • LASSO Cox regression, single-cell analysis, and drug sensitivity analysis.

Main Results:

  • Distinct expression patterns of T-cell proliferation genes were observed across different cancers, influenced by copy number alterations (CNA) and DNA methylation.
  • These genes showed complex associations with TMB and MSI, and significant positive correlations with ESTIMATE, Immune, and Stromal scores.
  • Enrichment analysis confirmed their involvement in immune pathways, with their activity correlating with T-cell infiltration and patient prognosis.

Conclusions:

  • T-cell proliferation regulatory genes are integral to the tumor immune microenvironment (TIM), particularly T-cell populations.
  • Their expression patterns and prognostic significance highlight their potential as biomarkers and therapeutic targets in cancer immunotherapy.
  • Targeting these genes may represent a promising strategy to enhance anti-tumor immunity and improve patient outcomes.

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