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Related Experiment Video

Updated: Sep 30, 2025

Tissue Collection and RNA Extraction from the Human Osteoarthritic Knee Joint
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Constructing a competing endogenous RNA network for osteoarthritis.

Shu-Liang Hua1, Jun-Qing Liang1, Guo-Fang Hu1

  • 1Department of Bone and Joint Surgery, the People's Hospital of Baise, Baise, China.

Annals of Translational Medicine
|March 14, 2022
PubMed
Summary
This summary is machine-generated.

This study reveals a dual-specificity phosphatase 1-specific competing endogenous RNA network in osteoarthritis (OA). This network, involving specific long non-coding RNAs and microRNAs, may serve as a diagnostic tool for OA progression.

Keywords:
Osteoarthritisbioinformaticscompeting endogenous ribonucleic acid network (ceRNA network)

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Area of Science:

  • Molecular biology
  • Genomics
  • Immunology

Background:

  • Osteoarthritis (OA) is a prevalent degenerative joint disease in the elderly.
  • The molecular underpinnings of OA occurrence and progression remain incompletely understood.
  • Investigating molecular alterations through competing endogenous RNA (ceRNA) networks offers a novel approach to OA research.

Purpose of the Study:

  • To identify key molecular players in OA pathogenesis.
  • To construct and analyze a ceRNA network in OA.
  • To explore the relationship between molecular changes and immune cell infiltration in OA.

Main Methods:

  • Downloaded mRNA, miRNA, and lncRNA datasets (GSE48556, GSE105027, GSE126963) from the Gene Expression Omnibus (GEO) database.
  • Identified differentially expressed genes (DEGs) and constructed a ceRNA network.
  • Performed Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) functional enrichment analyses.
  • Conducted immune cell infiltration analysis using single-sample gene set enrichment analysis (ssGSEA).

Main Results:

  • A ceRNA network was constructed, identifying hsa-mir-425-3p, dual specificity phosphatase 1, and 24 lncRNAs.
  • Functional enrichment revealed involvement in leukocyte migration, MAPK signaling, TNF signaling, and osteoclast differentiation.
  • Significant correlations were found between ceRNA components and immune cell infiltration in OA.

Conclusions:

  • The identified ceRNA network, particularly involving dual-specificity phosphatase 1, plays a crucial role in OA.
  • This network holds potential as a diagnostic biomarker for assessing OA patient progression.
  • Understanding these molecular interactions may lead to new therapeutic strategies for OA.