Identifying the hub genes and immune infiltration related to pyroptosis in rheumatoid arthritis

Wei Xie1, Zhengyuan Wu2

  • 1Department of Orthopedics, Minzu Hospital of Guangxi Zhuang Autonomous Region, Nanning, China.

Medicine
|December 17, 2021
PubMed

Insights

This study identifies key pyroptosis biomarkers, EGFR and JUN, in rheumatoid arthritis (RA). These findings offer new insights into RA

Area of Science:

  • Immunology
  • Genetics
  • Molecular Biology

Background:

  • Rheumatoid arthritis (RA) is a prevalent autoimmune joint disorder with incompletely understood mechanisms.
  • Pyroptosis, a form of programmed cell death, is linked to RA pathogenesis.
  • Validated biomarkers for targeting pyroptosis in RA therapy are lacking.

Purpose of the Study:

  • To identify crucial pyroptosis biomarkers in rheumatoid arthritis (RA).
  • To investigate the relationship between pyroptosis and immune cell infiltration in RA.
  • To explore potential therapeutic targets for RA based on pyroptosis pathways.

Main Methods:

  • Utilized Gene Expression Omnibus (GEO) database for synovial tissue gene expression profiles.
  • Identified differentially expressed pyroptosis genes (DEPGs) in RA.
  • Employed the CIBERSORT algorithm to analyze immune infiltration patterns.
  • Performed Gene Ontology and pathway enrichment analyses for identified hub genes.

Main Results:

  • Identified EGFR and JUN as two hub differentially expressed pyroptosis genes (DEPGs) in RA.
  • EGFR and JUN are implicated in signaling pathways including ErbB, PD-1 checkpoint, and GnRH.
  • Found significant correlations between pyroptosis genes (EGFR, JUN) and specific immune cell types.

Conclusions:

  • This study introduces a novel approach to pinpointing hub DEPGs in RA.
  • Identified EGFR and JUN as critical genes linking pyroptosis and immune infiltration in RA.
  • Findings may offer new diagnostic and therapeutic strategies for rheumatoid arthritis patients.

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