The impact of Radioresistant-Related Telomere Genes in the prognosis and immune infiltration in lung adenocarcinoma

  • 0Department of Radiation Oncology, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China.

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Summary

This summary is machine-generated.

Radiotherapy-related telomere genes (RRTGs) significantly impact lung adenocarcinoma (LUAD) prognosis and immune infiltration. A novel RRTGs score predicts overall survival and aids in understanding LUAD treatment strategies.

Area Of Science

  • Oncology
  • Genetics
  • Radiotherapy Research

Background

  • Lung adenocarcinoma (LUAD) presents a high mortality rate.
  • Telomere genes influence radiation therapy response and cancer prognosis.
  • The role of Radioresistant-Related Telomere Genes (RRTGs) in LUAD prognosis and immune infiltration is not well understood.

Purpose Of The Study

  • To investigate the role of RRTGs in LUAD prognosis and immune cell infiltration.
  • To develop a predictive model for overall survival using RRTGs.
  • To explore the underlying mechanisms of RRTGs in LUAD.

Main Methods

  • Utilized bioinformatics analysis on public and private datasets.
  • Examined genetic and transcriptional differences, predictive significance, and expression profiles of RRTGs.
  • Developed an RRTGs score and nomograms for clinical application.
  • Assessed associations between RRTGs, immune cell infiltration, prognosis, and treatment.
  • Performed Gene Set Enrichment Analysis (GSEA) and experimental validation (Western blot, qRT-PCR, Immunohistochemistry).

Main Results

  • Identified a correlation between telomere-related genes and LUAD patient prognosis.
  • Developed an RRTGs score based on ARRB1, PLK1, and DSG2 to predict overall survival.
  • Demonstrated that RRTGs score can assess immune cell infiltration, tumor mutational burden, and survival probabilities.
  • GSEA indicated RRTGs modulate immune-related pathways and cell cycle/DNA repair processes.
  • ARRB1 and PLK1 were upregulated in radiosensitive NSCLC tissues and cell lines.

Conclusions

  • RRTGs are significant in determining LUAD patient outcomes.
  • The study enhances understanding of radiotherapy, telomere genes, and LUAD prognosis.
  • Identified RRTGs as potential therapeutic targets for LUAD treatment.

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