An Inflammation-Related lncRNA Signature for Prognostic Prediction in Colorectal Cancer

  • 0Department of Gastroenterology, the Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai, China.

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Summary

This summary is machine-generated.

This study developed a 13-inflammation-related long noncoding RNA (IRL) signature to predict colorectal cancer (CRC) prognosis. This novel IRL signature shows promise as a biomarker for improved CRC patient evaluation and clinical decision-making.

Area Of Science

  • Oncology
  • Molecular Biology
  • Bioinformatics

Background

  • Colorectal cancer (CRC) is a prevalent digestive system malignancy.
  • Long noncoding RNAs (lncRNAs) are increasingly implicated in cancer development.
  • The role of inflammation-related lncRNAs (IRLs) in CRC pathogenesis remains largely undefined.

Purpose Of The Study

  • To develop a prognostic signature based on IRLs for colorectal cancer.
  • To investigate the underlying molecular mechanisms of IRLs in CRC.
  • To assess the signature's association with the tumor immune microenvironment.

Main Methods

  • Utilized RNA-sequencing data from The Cancer Genome Atlas (TCGA) and inflammation-associated genes from GeneCards.
  • Identified differentially expressed IRLs using R and constructed a prognostic model with 13 IRLs via LASSO regression.
  • Validated the model's prognostic value using Kaplan-Meier and ROC analyses, and assessed immune cell infiltration.

Main Results

  • A 13-IRL signature was established, classifying CRC patients into distinct risk groups.
  • The IRL signature demonstrated superior prognostic prediction compared to traditional clinicopathological features.
  • Significant differences in immune cell populations, including CD4+ T cells and M2 macrophages, were observed between risk groups.

Conclusions

  • The developed 13-IRL signature serves as a potent biomarker for colorectal cancer.
  • This signature holds potential for enhancing clinical decision-making and prognostic assessment in CRC.
  • The findings highlight the role of IRLs in CRC and their association with immune profiles.