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Weighted gene co-expression network analysis identified underlying hub genes and mechanisms in the occurrence and

Zetao Ma1, Zhida Shen1, Yingchao Gong1

  • 1Key Laboratory of Cardiovascular Intervention and Regenerative Medicine of Zhejiang Province, Department of Cardiology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China.

Annals of Translational Medicine
|December 14, 2020
PubMed
Abstract

Insights

This study identified key biological pathways and hub genes in viral myocarditis. These findings offer potential therapeutic targets for treating this inflammatory heart condition.

Area of Science:

  • Molecular Biology
  • Genomics
  • Immunology

Background:

  • Myocarditis is an inflammatory heart condition with severe outcomes like heart failure.
  • Current treatments for myocarditis are limited, necessitating further research into its pathogenesis.
  • Understanding viral myocarditis is crucial for developing effective therapeutic strategies.

Purpose of the Study:

  • To investigate the pathogenesis of viral myocarditis.
  • To identify potential hub genes associated with different stages of the disease.
  • To explore underlying molecular mechanisms for therapeutic target discovery.

Main Methods:

  • Weighted Gene Co-expression Network Analysis (WGCNA) on mouse models of viral myocarditis.
  • Functional annotation of key gene modules.
  • Prediction of hub genes using intramodular connectivity (IC).
  • MicroRNA analysis using miRNet.

Main Results:

  • Three gene co-expression modules (turquoise, brown, yellow) strongly correlated with acute and chronic viral myocarditis stages.
  • The turquoise module (acute stage) is linked to antiviral responses and immune activation.
  • Brown and yellow modules (chronic stage) are associated with cytoskeleton, phosphorylation, catabolism, and autophagy.
  • Key hub genes and regulatory microRNAs were identified within these modules.

Conclusions:

  • This research elucidates critical biological processes in acute and chronic viral myocarditis.
  • Identified hub genes and microRNAs provide potential therapeutic targets for viral myocarditis.
  • Findings contribute to advancing future treatment strategies for this inflammatory heart disease.
Keywords:
Viral myocarditisbioinformatic analysesweighed gene co-expression network analysis (WGCNA)

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