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Transcriptome Analysis of Peripheral Blood Mononuclear Cells Response in Patients with Severe COVID-19 Reveals Crucial Genes Regulating Protein Ubiquitination.
Huang, Jinfeng; Li, Ruobing; Cheng, Jie; Zhen, Peilin.
  • Huang J; Jiangmen Central Hospital, Jiangmen, Guangdong, China (mainland).
  • Li R; Guangzhou No.7 Middle School, Guangzhou, Guangdong, China (mainland).
  • Cheng J; Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai, China (mainland).
  • Zhen P; Jiangmen Central Hospital, Jiangmen, Guangdong, China (mainland).
Med Sci Monit ; 28: e937532, 2022 Aug 29.
Article in English | MEDLINE | ID: covidwho-2025555
ABSTRACT
BACKGROUND We sought to further our understanding of the biological characteristics underlying severe COVID-19. MATERIAL AND METHODS RNA sequencing (RNA-Seq) analysis was used to evaluate peripheral blood mononuclear cells from 4 patients with severe COVID-19 and 4 healthy controls. We performed gene expression analyses to detect differentially expressed genes (DEGs). Enrichment analyses were performed to identify their molecular processes and signaling pathways, and the protein-protein interaction network was constructed to extract the core gene cluster. The investigation of protein-chemical interactions and regulatory signatures for specific regulatory checkpoints and powerful chemical agents was then conducted for these essential genes. Finally, we used single-cell RNA-Seq analysis from an online platform to show how these genes were expressed differently, depending on the kind of cell. RESULTS A total of 268 DEGs were found. The biological process of protein ubiquitination was later discovered to be highly influenced by the core gene cluster (ITCH, TRIM21, RNF130, FBXO11, UBE2J1, and ASB16) at the transcriptome level. Six transcription factors, FNIC, FOXA1, YY1, GATA2, MET2A, and FOXC1, as well as miRNAs hsa-miR-1-3p and hsa-miR-27a-3p were identified. We found a potent chemical agent, copper sulfate, may regulate protein ubiquitination genes cooperatively, and the genes regulating protein ubiquitination could be expressed highly on the macrophages. CONCLUSIONS Taken together, we suggest that protein ubiquitination is a crucial functional process in patients with severe COVID-19. This study will give a deeper insight into biological characteristics and progression of COVID-19 and facilitate development of novel therapeutics, leading to significant advancements in the COVID-19 pandemic.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: MicroRNAs / F-Box Proteins / COVID-19 Type of study: Experimental Studies Limits: Humans Language: English Journal: Med Sci Monit Journal subject: Medicine Year: 2022 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: MicroRNAs / F-Box Proteins / COVID-19 Type of study: Experimental Studies Limits: Humans Language: English Journal: Med Sci Monit Journal subject: Medicine Year: 2022 Document Type: Article