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  • Title: Different MicroRNA profiles in Peripheral Blood mononuclear cells from patients with initial-onset and recurrent vogt-Koyanagi-Harada Disease.
    Author: Guo K, Li B, Yang F, Zhang M, Zhao G, Zhang X.
    Journal: Mol Biol Rep; 2022 Dec; 49(12):11421-11431. PubMed ID: 35988105.
    Abstract:
    BACKGROUND: Vogt-Koyanagi-Harada (VKH) disease is a common type of uveitis that leads to blindness. The clinical manifestations and treatment solutions are different between initial-onset and recurrent VKH. Therefore, identifying the microRNA (miRNA) profiles from initial-onset and recurrent VKH patients may shed light on the molecular mechanisms underlying the pathogenesis of VKH disease. METHODS AND RESULTS: RNAs isolated from peripheral blood mononuclear cells (PBMCs) from patients with initial-onset VKH, recurrent VKH, and healthy individuals were subjected to high-throughput miRNA sequencing. Pairwise analysis of miRNA sequencing data between groups was conducted to identify differentially expressed miRNAs (DEMs), which were verified using real-time quantitative polymerase chain reaction. After receiver operating characteristic analyses, we found that hsa-miR-4664-3p, hsa-miR-7704, hsa-miR-4504, and hsa-miR-206 may serve as biomarkers of different VKH stages. DEMs were classified into three groups based on their differential expression: DEMs in initial-onset stage, DEMs in recurrent stage, and DEMs common between both VKH stages (shared DEMs). Pathway enrichment analysis using the Kyoto Encyclopedia of Genes and Genomes identified the mitogen-activated protein kinase, tumor necrosis factor, and mechanistic target of rapamycin kinase pathways as significantly enriched among the target genes of recurrent stage and shared DEMs. Furthermore, we mapped a network of competing endogenous RNAs for hsa-miR-206, which we used to identify putative targets for VKH treatment. CONCLUSION: Hsa-miR-4664-3p, hsa-miR-7704, hsa-miR-4504, and hsa-miR-206 may serve as biomarkers for different stages of VKH. Additionally, our competing endogenous RNA network of hsa-miR-206 provides a new direction for VKH treatment.
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