Evidence mapPaperPMID 40726988Full record

ArticleFrontiers in immunology2025

Exploration of differential expression and biological significance of amino acid metabolism genes in osteoarthritis.

Zhenghuan Zhu, Jiaqing Meng, Junfeng Hu, Lingmin Hu, Wenge Ding, Wanchao Zhang, Chuang Zhao, Lin Feng, Kejie Wang

Abstract read
In one paragraph

Article in Frontiers in immunology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Zhenghuan Zhu *Department of Orthopedics, Changzhou First People's Hospital, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China.
Jiaqing Meng *Department of Orthopedics, Changzhou First People's Hospital, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China.
Junfeng HuDepartment of Orthopedics, Changzhou First People's Hospital, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China.
Lingmin HuDepartment of Reproduction, Changzhou Maternity and Child Health Care Hospital, Changzhou, Jiangsu, China.
Wenge DingDepartment of Orthopedics, Changzhou First People's Hospital, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China.
Wanchao ZhangDepartment of Surgery, Wuqia County People's Hospital, Uqia, Xinjiang, China.
Chuang ZhaoDepartment of Surgery, Wuqia County People's Hospital, Uqia, Xinjiang, China.
Lin FengDepartment of Surgery, Wuqia County People's Hospital, Uqia, Xinjiang, China.
Kejie WangDepartment of Orthopedics, Changzhou First People's Hospital, Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Osteoarthritis (OA) is a widespread disorder affecting joints, recognized for cartilage wear and inflammatory responses, which substantially affects patients' quality of life. This research aim to discover amino acid metabolism-related differentially expressed genes (AAMRDEGs) and clarify their functions in OA pathogenesis. Methods: Herein, we conducted an analysis of combined GEO datasets (GSE55457, GSE55235, and GSE12021), identifying 169 AAMRDEGs and indicating their importance in chondrocyte function and inflammation. Furthermore, significant correlations were observed between various immune cell types, underscoring the intricate function of the immune system in OA. Thereafter, we developed highly accurate diagnostic models using LASSO regression and SVM methodologies, achieving an area under the curve > 0.9. Protein-protein interaction analysis revealed significant interactions among MTHFD2, PPP1R15A, SLC2A4, and WNT5B, with their expression levels corroborated using single-cell datasets, highlighting the potential therapeutic targets. To confirm the presence of these hub AAMRGs, real-time polymerase chain reaction and immunohistochemistry were employed. Results: We identified 2,115 DEGs between OA and control groups, with 1,062 upregulated and 1,053 downregulated. Enrichment analysis linked AAMRDEGs to amino acid catabolism and multiple KEGG pathways, indicating their importance in chondrocyte function and inflammation. Furthermore, significant correlations were observed between various immune cell types, underscoring the intricate role of the immune system in OA. Subsequently, we developed highly accurate diagnostic models using LASSO regression and SVM methodologies, achieving an area under the curve > 0.9. Protein-protein interaction analysis revealed significant interactions among Conclusion: This investigation presents a detailed evaluation of AAMRGs in OA, highlighting their roles in disease pathogenesis and offering new insights for therapeutic research. Key genes

Indexed as

Amino AcidsGene Expression RegulationOsteoarthritisChondrocytesComputational BiologyDatabases, GeneticGene Expression ProfilingGene Regulatory NetworksHumansProtein Interaction MapsTranscriptomeAmino Acidsamino acid metabolism genesimmune infiltrationimmunity-related geneslasso regressionosteoarthritissingle-cell analysisSVM-RFEweighted gene co-expression network analysis

Identifiers

PMID40726988
PMCPMC12301216

What Socratic holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.