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Comparative Analysi...
Comparative Analysis on Abnormal Methylome of Differentially Expressed Genes and Disease Pathways in the Immune Cells of RA and SLE
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- Fang, Qinghua (author)
- Southern Medical University, Guangzhou, China
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- Li, Tingyue (author)
- Erasmus Medical Center, Rotterdam, Netherlands
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- Chen, Peiya (author)
- First Affiliated Hospital of Jinan University, Guangzhou, China
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- Wu, Yuzhe (author)
- Southern Medical University, Guangzhou, China
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- Wang, Tingting (author)
- Southern Medical University, Guangzhou, China
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- Mo, Lixia (author)
- Southern Medical University, Guangzhou, China
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- Ou, Jiaxin (author)
- Southern Medical University, Guangzhou, China
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- Nandakumar, Kutty Selva, 1965- (author)
- Southern Medical University, Guangzhou, China
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(creator_code:org_t)
- 2021-05-17
- 2021
- English.
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In: Frontiers in Immunology. - : Frontiers Media SA. - 1664-3224. ; 12
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https://hh.diva-port... (primary) (Raw object)
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Abstract
Subject headings
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- We identified abnormally methylated, differentially expressed genes (DEGs) and pathogenic mechanisms in different immune cells of RA and SLE by comprehensive bioinformatics analysis. Six microarray data sets of each immune cell (CD19+ B cells, CD4+ T cells and CD14+ monocytes) were integrated to screen DEGs and differentially methylated genes by using R package "limma." Gene ontology annotations and KEGG analysis of aberrant methylome of DEGs were done using DAVID online database. Protein-protein interaction (PPI) network was generated to detect the hub genes and their methylation levels were compared using DiseaseMeth 2.0 database. Aberrantly methylated DEGs in CD19+ B cells (173 and 180), CD4+ T cells (184 and 417) and CD14+ monocytes (193 and 392) of RA and SLE patients were identified. We detected 30 hub genes in different immune cells of RA and SLE and confirmed their expression using FACS sorted immune cells by qPCR. Among them, 12 genes (BPTF, PHC2, JUN, KRAS, PTEN, FGFR2, ALB, SERB-1, SKP2, TUBA1A, IMP3, and SMAD4) of RA and 12 genes (OAS1, RSAD2, OASL, IFIT3, OAS2, IFIH1, CENPE, TOP2A, PBK, KIF11, IFIT1, and ISG15) of SLE are proposed as potential biomarker genes based on receiver operating curve analysis. Our study suggests that MAPK signaling pathway could potentially differentiate the mechanisms affecting T- and B- cells in RA, whereas PI3K pathway may be used for exploring common disease pathways between RA and SLE. Compared to individual data analyses, more dependable and precise filtering of results can be achieved by integrating several relevant data sets.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Immunologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Immunology in the medical area (hsv//eng)
Keyword
- bioinformatics analysis
- immune cells
- methylation
- rheumatoid arthritis
- systemic lupus erythematosus
Publication and Content Type
- ref (subject category)
- art (subject category)
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