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Updated: Jan 10, 2026

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Identification of ITGA2 as a methylation-regulated oncogene through a CeRNA network in papillary thyroid carcinoma

Guoliang Wu1, Xinyu Wang1, Yiming Zhu1

  • 1Department of Head and Neck Surgical Oncology, National Cancer Center/ National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.

Discover Oncology
|November 25, 2025
PubMed
Abstract

Insights

Researchers identified a competing endogenous RNA (ceRNA) network in papillary thyroid carcinoma (PTC), pinpointing integrin alpha 2 (ITGA2) as a key therapeutic target. ITGA2 overexpression, linked to hypomethylation, drives PTC progression.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Papillary thyroid carcinoma (PTC) is the most prevalent endocrine malignancy.
  • Understanding the molecular mechanisms driving PTC is crucial for developing effective treatments.

Purpose of the Study:

  • To construct a competing endogenous RNA (ceRNA) network in PTC.
  • To identify and validate novel molecular targets for PTC therapy.

Main Methods:

  • Integrated gene expression data from GEO and TCGA databases to build a ceRNA network.
  • Utilized pathway enrichment analysis to identify candidate genes.
  • Validated gene expression and function in PTC cell lines and clinical specimens using qRT-PCR, Western blot, and functional assays.

Main Results:

  • Identified 160 potential ceRNA pairs, with 51 linked to methylation.
  • Eight tumorigenesis-related genes were identified, including integrin alpha 2 (ITGA2).
  • ITGA2 was significantly overexpressed in PTC, and its knockdown inhibited proliferation, invasion, and metastasis. Promoter hypomethylation correlated with ITGA2 upregulation.

Conclusions:

  • A novel ceRNA regulatory network in PTC was established.
  • Integrin alpha 2 (ITGA2) was identified as a potential therapeutic target for PTC.
  • ITGA2 dysregulation is associated with epigenetic alterations, providing insights into PTC progression.
Keywords:
Competing endogenous RNAITGA2MethylationPapillary thyroid cancer

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