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Identification of cluster of differentiation molecule-associated microRNAs as potential therapeutic targets for

Hanyu Zhang1,2, Mingxing Li1,2, Parham Jabbarzadeh Kaboli1,2

  • 1Laboratory of Molecular Pharmacology, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, PR China.

The International Journal of Biological Markers
|March 31, 2021
PubMed
Abstract

Insights

This study identifies specific microRNAs (miR-200a, miR-559, miR-1236) associated with cluster of differentiation molecules in gastrointestinal cancers. These findings offer potential new biomarkers for cancer immunotherapy and patient prognosis.

Area of Science:

  • Oncology
  • Molecular Biology
  • Immunology

Background:

  • Cluster of differentiation (CD) molecules are immune cell markers and potential cancer immunotherapy targets.
  • MicroRNAs (miRNAs) are crucial in cancer, but their link with CD molecules in gastrointestinal (GI) cancers is underexplored.
  • Understanding miRNA-CD molecule interactions may reveal new prognostic and therapeutic strategies for GI cancers.

Purpose of the Study:

  • To investigate the relationship between microRNAs and cluster of differentiation molecules in various gastrointestinal cancers.
  • To identify specific microRNAs associated with CD molecules as potential prognostic biomarkers.
  • To explore novel therapeutic targets for gastrointestinal cancer immunotherapy.

Main Methods:

  • Utilized bioinformatics tools (Targetscan, Starbase, DIANA microT, miRDB) to predict miRNA-CD molecule correlations.
  • Analyzed The Cancer Genome Atlas (TCGA) data for miRNA and CD molecule expression in gastric, colon, rectal, pancreatic, and esophageal cancers.
  • Employed Kaplan-Meier analysis to assess the association between CD molecule-associated miRNA expression and overall survival.

Main Results:

  • Identified negative associations between miR-200a/CD86, miR-559/CD81, and miR-1236/CD160 across multiple GI cancer types.
  • Validated these miRNA-CD molecule associations in vitro using miRNA mimics in relevant cancer cell lines (gastric, colon, pancreatic, esophageal).

Conclusions:

  • miR-200a, miR-559, and miR-1236 are confirmed as cluster of differentiation-associated microRNAs in gastrointestinal cancers.
  • These miRNAs represent novel targets for cancer immunotherapy and potential prognostic biomarkers in GI cancer patients.
Keywords:
CD moleculesGastrointestinal cancercancer immunotherapymiRNA

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