Prognostic role of tumor microenvironment and immune- and autophagy-related genes in colorectal adenocarcinoma

  • 0Digestive System Department, Inner Mongolia People's Hospital, Hohhot, China.

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Summary

This summary is machine-generated.

This study identifies immune- and autophagy-related genes (IARGs) that can distinguish colorectal cancer from normal tissues. These IARGs show potential for improving clinical predictions of colorectal adenocarcinoma (COADREAD) risk.

Area Of Science

  • Oncology
  • Immunology
  • Molecular Biology

Background

  • Colorectal adenocarcinoma (COADREAD) is a leading cause of cancer mortality.
  • Immunity and autophagy are implicated in COADREAD development, but their precise roles require further elucidation.

Purpose Of The Study

  • To explore immune- and autophagy-related genes (IARGs) for prognostic risk assessment in COADREAD.
  • To develop clinical prediction models for COADREAD based on IARGs.
  • To understand the molecular underpinnings of COADREAD through IARG analysis.

Main Methods

  • Integrated transcriptomic and clinical data from TCGA and GEO databases for 460 COADREAD cases.
  • Identified 22 immune-autophagy-related genes (IARGs) by combining immune-related genes (IRGs) and autophagy-related genes (ARGs).
  • Developed a prognostic risk model using LASSO and Cox regression, validated in external cohorts, and assessed immune infiltration using ssGSEA.

Main Results

  • IARG data effectively distinguished between COADREAD and normal specimens.
  • Specific genes like VEGFA, BIRC5, and BID were highly expressed in COADREAD, while TNFSF10 was lowly expressed.
  • A low-risk group exhibited upregulated T cell and B cell receptor pathways and higher immune cell infiltration.

Conclusions

  • Bioinformatic analysis confirmed IARGs can differentiate COADREAD from normal tissues.
  • Immunity and autophagy are linked to a lower risk profile in COADREAD.
  • Identified IARGs hold promise for enhancing clinical predictions of COADREAD risk.

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