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Deoxyribonuclease 1-like 3 may be a Potential Prognostic Biomarker Associated with Immune Infiltration in Colon Cancer

  • Jing Liu
  • , Jingya Yi
  • , Zhihong Zhang
  • , Donglin Cao
  • , Lei Li
  • , Yachao Yao
  • Guangdong Second Provincial General Hospital
  • Southern Medical University
  • Guangzhou Medical College
  • Key Laboratory for Reproductive Medicine of Guangdong Province

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Colon adenocarcinoma (COAD) is a common cancer of the digestive system. It’s high morbidity and mortality make it one of the leading causes of cancer deaths. In this study, we studied the microenvironment of colon cancer to find new diagnostic markers and immunotherapy targets for colon cancer. Tumor purity of colon cancer samples in TCGA database were obtained by ESTIMATE algorithm. Then, we analyzed the association of Immune, Stromal, and Estimate scores with tumor prognosis and clinicopathological features. By comparing the gene expression profiles between tumor and normal samples, the high and low immune score groups, 117 intersecting differentially expressed genes (DEGs) were obtained. The function, molecular pathway, and prognostic value of these 117 DEGs pointed toward the importance of deoxyribonuclease 1-like 3 (DNASE1L3). Validation results from multiple databases showed low expression of DNASE1L3 in colon cancer. A single GSEA and correlation analysis of immune cells indicated that DNASE1L3 was closely related to immunity. The low expression of DNASE1L3 in colon cancer samples was measured with qRT-PCR. The scratch and cell proliferation experimentssuggested that DNASE1L3 may affect cell migration. Therefore, we concluded that DNASE1L3 might be a biomarker associated with prognosis and immune infiltration in colon cancer.

Original languageEnglish
Pages (from-to)16513-16526
Number of pages14
JournalAging
Volume13
Issue number12
DOIs
StatePublished - 30 Jun 2021
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • The Cancer Genome Atlas (TCGA) Database
  • colon adenocarcinoma
  • deoxyribonuclease 1-like 3
  • immune infiltration
  • tumor microenvironment

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