Cited by 16Hair Growth and DisordersBioinformatics and Genomic NetworksComputational Drug Discovery Methods

Construction of regulatory network for alopecia areata progression and identification of immune monitoring genes based on multiple machine-learning algorithms

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Xiong, Jiachao, Chen, Guodong, Liu, Zhixiao, Wu, Xuemei, Xu, Sha, Xiong, Jun, Ji, Shizhao, Wu, Minjuan·2023·Precision Clinical Medicine

Abstract

Objectives: Alopecia areata (AA) is an autoimmune-related non-cicatricial alopecia, with complete alopecia (AT) or generalized alopecia (AU) as severe forms of AA. However, there are limitations in early identification of AA, and intervention of AA patients who may progress to severe AA will help to improve the incidence rate and prognosis of severe AA. Methods: We obtained two AA-related datasets from the gene expression omnibus database, identified the differentially expressed genes (DEGs), and identified the module genes most related to severe AA through weighted gene co-expression network analysis. Functional enrichment analysis, construction of a protein–protein interaction network and competing endogenous RNA network, and immune cell infiltration analysis were performed to clarify the underlying biological mechanisms of severe AA. Subsequently, pivotal immune monitoring genes (IMGs) were screened through multiple machine-learning algorithms, and the diagnostic effectiveness of the pivotal IMGs was validated by receiver operating characteristic. Results: A total of 150 severe AA-related DEGs were identified; the upregulated DEGs were mainly enriched in immune response, while the downregulated DEGs were mainly enriched in pathways related to hair cycle and skin development. Four IMGs (LGR5, SHISA2, HOXC13, and S100A3) with good diagnostic efficiency were obtained. As an important gene of hair follicle stem cells stemness, we verified in vivo that LGR5 downregulation may be an important link leading to severe AA. Conclusion: Our findings provide a comprehensive understanding of the pathogenesis and underlying biological processes in patients with AA, and identification of four potential IMGs, which is helpful for the early diagnosis of severe AA.

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Crossref · 10.1093/pcmedi/pbad009

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  • Transcriptomic analysis identified 4 immune-monitoring genes with diagnostic effectiveness for severe alopecia areata (LGR5, SHISA2, HOXC13, and S100A3).

    “Xiong et al (2023) analyzed gene expression data from transcriptomic AA datasets to identify diagnostic markers for severe AA, identifying 4 immune-monitoring genes with diagnostic effectiveness (LGR5, SHISA2, HOXC13, and S100A3).”

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Authors
Xiong, J., Chen, G., Liu, Z., Wu, X., Xu, S., Xiong, J., Ji, S., & Wu, M.
Affiliations
  • Tongji University (CN)
  • Second Military Medical University (CN)
Corresponding author
  • Ji, Shizhao
  • Wu, Minjuan
Venue
Precision Clinical Medicine
Published
2023-05-22
Volume
6
Issue
2
Pages
pbad009-pbad009
ISSN
  • 2096-5303 (ISSN-L)
  • 2516-1571
OpenAlex
W4378086723
Cited by
16
References
51
Citations by year
2026: 5 · 2025: 7 · 2024: 2 · 2023: 2
FWCI
5.03
Type
journal article
Language
en
Open access
Locations
  • Precision Clinical Medicine (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Funders
National Natural Science Foundation of China (32071186)
Topics
  • Health Sciences › Medicine › Urology › Hair Growth and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Physical Sciences › Computer Science › Computational Theory and Mathematics › Computational Drug Discovery Methods
Keywords
alopecia areata, severe alopecia areata, disease progression, gene regulatory networks, weighted gene co-expression network, competing endogenous RNA network, immune cell infiltration, Lgr5, HOXC13, S100A3, hair follicle stem cells, early diagnosis, differentially expressed genes, autoimmune alopecia

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