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Bioinformatics identification and integrative analysis of ferroptosis-related key lncRNAs in patients with osteoarthritis

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机构: [1]Kunming Med Univ, Affiliated Hosp 1, Dept Sports Med, Kunming 650032, Yunnan, Peoples R China
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Background: Ferroptosis and dysregulation of long non-coding RNA (lncRNA) have been described to be strictly relevant to the pathogenesis of osteoarthritis (OA). However, the connection between ferroptosis and lncRNA in OA is poorly appreciated. Herein, we investigated the functional contribution of lncRNA markers correlated with the progression of human OA by comprehensive bioinformatics analysis of a panoramic network of competing endogenous RNA (ceRNA) based on ferroptosis-related genes (FRGs). Methods: FRGs-related competing endogenous RNA (ceRNA) networks were generated using differentially expressed genes based on OA-related whole transcriptome data from the Gene Expression Omnibus (GEO) database via starBase, miRTarBase, and miRWalk databases. The pivotal lncRNAs were ascertained by topological features (degree, betweenness, and closeness) and subceRNA networks were re-visualized. The expression difference of pivotal lncRNAs was verified by quantitative real-time polymerase chain reaction (qRT-PCR). The latent molecular mechanisms of the global ceRNA and subceRNA networks were uncovered by the R package clusterProfiler-based enrichment analysis. Results: A total of 98 dysregulated lncRNA-miRNA-mRNA regulatory relationships were attained in the FRGs-related panoramic ceRNA network of OA, covering 26 mRNAs, 20 miRNAs, and 20 lncRNAs. Three lncRNAs (AC011511.5, AL358072.1, and C9orf139) were ascertained as the central lncRNAs in the panoramic ceRNA network. Functional ensemble analysis illustrated that both the panoramic ceRNA network and the subceRNA network were integrally affiliated with the immune-inflammatory response, oxygen homeostasis, and cell death (apoptosis, autophagy, and ferroptosis). Conclusion: Comprehensive bioinformatics analysis of the FRGs-related ceRNA network determined three molecular biomarkers of lncRNAs that might be affiliated with OA progression.

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基金编号: grant numbers 81960409 and 81760403 grant number L-201601

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大类 | 3 区 生物学
小类 | 3 区 生化与分子生物学 4 区 细胞生物学
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出版当年[2023]版:
Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY Q2 CELL BIOLOGY
最新[2023]版:
Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY Q2 CELL BIOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2023版] 出版当年五年平均 出版前一年[2022版]

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第一作者机构: [1]Kunming Med Univ, Affiliated Hosp 1, Dept Sports Med, Kunming 650032, Yunnan, Peoples R China
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