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Software-Assisted Quantitative Measurement of Osteoarthritic Subchondral Bone Thickness
Published on: March 18, 2022
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Bioinformatics analysis of differentially expressed genes in subchondral bone in early experimental osteoarthritis
Zhao Wang1, Yong Ji2, Hong-Wei Bao1
1Department of Orthopaedics, Jingjiang People's Hospital, No. 28, Zhongzhou Road, Jingjiang, Taizhou, 214500, Jiangsu Province, China.
Journal of Orthopaedic Surgery and Research
|August 11, 2020
Summary
This study identified 588 differentially expressed genes (DEGs) in osteoarthritis (OA) subchondral bone, highlighting ribosomal export and thiamine metabolism pathways. These DEGs may offer novel therapeutic targets for OA treatment.
Area of Science:
- Genomics
- Molecular Biology
- Biochemistry
Background:
- Osteoarthritis (OA) is a prevalent degenerative joint disease affecting over 65s.
- Subchondral bone plays a critical role in OA pathogenesis.
- Understanding OA-specific gene expression in subchondral bone is crucial for developing targeted therapies.
Purpose of the Study:
- To identify the unique gene expression profile of subchondral bone in osteoarthritis.
- To compare gene expression between OA and sham-operation groups.
- To uncover potential molecular targets for OA intervention.
Main Methods:
- Utilized Gene Expression Omnibus (GEO) dataset GSE30322.
- Analyzed differentially expressed genes (DEGs) using the limma package.
- Performed Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis.
- Constructed a protein-protein interaction (PPI) network to identify key modules.
Main Results:
- Identified 588 DEGs (199 upregulated, 389 downregulated) in OA subchondral bone.
- GO analysis revealed significant enrichment in 'ribosomal subunit export from nucleus' and 'molting cycle'.
- KEGG pathway analysis indicated enrichment in 'thiamine metabolism'.
Conclusions:
- Identified key candidate differentially expressed genes (DEGs) implicated in OA progression.
- These DEGs represent potential therapeutic targets for osteoarthritis.
- The findings provide insights into the molecular mechanisms underlying OA in subchondral bone.
