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      Cytokine storm in the pathophysiology of COVID-19: possible functional disturbances of miRNAs

      review-article
      1 , 1 , *
      International Immunopharmacology
      Elsevier B.V.
      SARS-CoV-2, COVID-19, miRNAs, Gene regulators, Cytokine storm, miRNAs-based therapy, 2019-nCoV, 2019 novel coronavirus, 3'-UTR, 3'-untranslated region, AA, Arachidonic acid, ACE, Angiotensin-converting enzyme, ADAM17, A disintegrin and metalloproteinase 17, AGEs, Advanced glycation end products, AGO, Argonaute, ALI, Acute lung injury, Amp, Amplifier, Ang, Angiotensin, ANRIL, Antisense noncoding RNA in the INK4 locus, AP-1, Activator protein 1, APJ, Apelin receptor, ARDS, Acute respiratory distress syndrome, ASOs, Antisense oligonucleotides, AT1R, Ang II receptor type 1, BBB, Blood-brain barrier, CatB/L, Cathepsin B/L, CCL, C-C motif chemokine ligand, CD, Cluster of differentiation, ceRNAs, Competing endogenous RNAs, CHD, Coronary heart disease, circRNAs, Circular RNAs, CNS, Central nervous system, COVID-19, Coronavirus disease 2019, COX, Cyclooxygenase, cPLA2, Cytoplasmic phospholipase A2, CRISPR, Cas13 family of clustered regularly interspaced short palindromic repeats, CSF, Colony-stimulating factor, CXCL, C-X-C motif chemokine ligand, CYLD, Cylindromatosis, DAMPs, Damage-associated molecular patterns, DCs, Dendritic cells, DIC, Disseminated intravascular coagulation, DMD, Dense matted deposits, DMVs, Double membrane vesicles, E protein, Envelope protein, EAE, Experimental autoimmune encephalomyelitis, ER, Endoplasmic reticulum, ERK, Extracellular signal-regulated kinase, FOXO3, Forkhead box O3, G-CSF, Granulocyte CSF, GM-CSF, Granulocyte-macrophage CSF, gp130, Glycoprotein 130, H3, Histone 3, HMGB1, High mobility group box protein 1, hsa, Homo sapiens, HSP, Heat shock protein, ICU, Intensive care unit, IFN, Interferon, IFNs-I, Type I IFNs, Ig, Immunoglobulin, IκB-ζ, Inhibitor of nuclear factor kappa B zeta, IL, Interleukin, IRF, IFN regulatory factor, ISGs, IFN-stimulated genes, JAK, Janus kinase, K, Lysine, KCNQ1OT1, KCNQ1 overlapping transcript 1, lncRNAs, Long non-coding RNAs, LOXs, Lipoxygenases, LPLs, Lysophospholipids, LPS, Lipopolysaccharide, LTs, Leukotrienes, M protein, Membrane protein, MAPK, Mitogen-activated protein kinase, MCs, Mast cells, M-CSF, Macrophage CSF, MDA5, Melanoma differentiation-associated protein 5, me2, Dimethylation, me3, Trimethylation, MEG3, Maternally expressed gene 3, MERS-CoV, Middle East respiratory syndrome coronavirus, mIL-6R, Membrane IL-6 receptor, miRISC, MicroRNA-induced silencing complex, miRNAs, MicroRNAs, MMP, Matrix metalloproteinase, MODS, Multiple organ dysfunction syndrome, mPGES-1, Microsomal prostaglandin E synthase-1, mRNA, Messenger RNA, MyD88, Myeloid differentiation factor 88, N protein, Nucleocapsid protein, NF-κB, Nuclear factor kappa-light-chain-enhancer of activated B cells, NLRP3, NOD-, LRR- and pyrin domain-containing protein 3, NOXs, Nicotinamide adenine dinucleotide phosphate (NADPH) oxidases, nsp, Non-structural protein, ORF, Open reading frame, OxPLs, Oxidized phospholipids, PaO2/FiO2, Pressure of arterial oxygen to fractional inspired oxygen concentration, PBMCs, Peripheral blood mononuclear cells, PG, Prostaglandin, PKCα, Protein kinase C alpha, PPP2CA, Protein phosphatase 2 catalytic subunit alpha, pre-miRNAs, Precursor miRNAs, pri-miRNAs, Primary miRNAs, PRR, Pattern recognition receptor, RAGE, Receptor for advanced glycation end products, RAS, Renin-Angiotensin system, RBCs, Red blood cells, RGMB-AS1, RGMB antisense RNA 1, RhoB, Ras homolog gene family member B, RIG-I, Retinoic acid-inducible gene I, RNAi, RNA interference, RNA pol, RNA polymerase, ROS, Reactive oxygen species, S100A9, S100 calcium-binding protein A9, S protein, Spike protein, SARS-CoV-2, Severe acute respiratory syndrome coronavirus 2, sIL-6R, Soluble IL-6R, siRNAs, Small interfering RNAs, SOCS3, Suppressor of cytokine signaling 3, SOFA, Sequential organ failure assessment score, Sry, Sex-determining region Y, STAT, Signal transducer and activator of transcription, TAB, Transforming growth factor β-activated kinase-1 (TAK1)-binding protein, TBK1, TANK-binding kinase 1, Th cells, T helper cells, TIMP-I, Tissue inhibitors of matrix metalloproteinases-I, TLRs, Toll-like receptors, TMPRSS2, Transmembrane serine protease 2, TNF-α, Tumor necrosis factor alpha, TNFR, TNF receptor, TRIM27, Tripartite motif-containing protein 27, TXs, Thromboxanes, v-miRNA, Viral miRNA, XPO5, Exportin-5

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          Abstract

          SARS-CoV-2, as the causative agent of COVID-19, is an enveloped positives-sense single-stranded RNA virus that belongs to the Beta-CoVs sub-family. A sophisticated hyper-inflammatory reaction named cytokine storm is occurred in patients with severe/critical COVID-19, following an imbalance in immune-inflammatory processes and inhibition of antiviral responses by SARS-CoV-2, which leads to pulmonary failure, ARDS, and death. The miRNAs are small non-coding RNAs with an average length of 22 nucleotides which play various roles as one of the main modulators of genes expression and maintenance of immune system homeostasis. Recent evidence has shown that Homo sapiens (hsa)-miRNAs have the potential to work in three pivotal areas including targeting the virus genome, regulating the inflammatory signaling pathways, and reinforcing the production/signaling of IFNs-I. However, it seems that several SARS-CoV-2-induced interfering agents such as viral (v)-miRNAs, cytokine content, competing endogenous RNAs (ceRNAs), etc. preclude efficient function of hsa-miRNAs in severe/critical COVID-19. This subsequently leads to increased virus replication, intense inflammatory processes, and secondary complications development. In this review article, we provide an overview of hsa-miRNAs roles in viral genome targeting, inflammatory pathways modulation, and IFNs responses amplification in severe/critical COVID-19 accompanied by probable interventional factors and their function. Identification and monitoring of these interventional elements can help us in designing the miRNAs-based therapy for the reduction of complications/mortality rate in patients with severe/critical forms of the disease.

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          Most cited references214

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          Circular RNAs are a large class of animal RNAs with regulatory potency.

          Circular RNAs (circRNAs) in animals are an enigmatic class of RNA with unknown function. To explore circRNAs systematically, we sequenced and computationally analysed human, mouse and nematode RNA. We detected thousands of well-expressed, stable circRNAs, often showing tissue/developmental-stage-specific expression. Sequence analysis indicated important regulatory functions for circRNAs. We found that a human circRNA, antisense to the cerebellar degeneration-related protein 1 transcript (CDR1as), is densely bound by microRNA (miRNA) effector complexes and harbours 63 conserved binding sites for the ancient miRNA miR-7. Further analyses indicated that CDR1as functions to bind miR-7 in neuronal tissues. Human CDR1as expression in zebrafish impaired midbrain development, similar to knocking down miR-7, suggesting that CDR1as is a miRNA antagonist with a miRNA-binding capacity ten times higher than any other known transcript. Together, our data provide evidence that circRNAs form a large class of post-transcriptional regulators. Numerous circRNAs form by head-to-tail splicing of exons, suggesting previously unrecognized regulatory potential of coding sequences.
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            • Article: not found

            Natural RNA circles function as efficient microRNA sponges.

            MicroRNAs (miRNAs) are important post-transcriptional regulators of gene expression that act by direct base pairing to target sites within untranslated regions of messenger RNAs. Recently, miRNA activity has been shown to be affected by the presence of miRNA sponge transcripts, the so-called competing endogenous RNA in humans and target mimicry in plants. We previously identified a highly expressed circular RNA (circRNA) in human and mouse brain. Here we show that this circRNA acts as a miR-7 sponge; we term this circular transcript ciRS-7 (circular RNA sponge for miR-7). ciRS-7 contains more than 70 selectively conserved miRNA target sites, and it is highly and widely associated with Argonaute (AGO) proteins in a miR-7-dependent manner. Although the circRNA is completely resistant to miRNA-mediated target destabilization, it strongly suppresses miR-7 activity, resulting in increased levels of miR-7 targets. In the mouse brain, we observe overlapping co-expression of ciRS-7 and miR-7, particularly in neocortical and hippocampal neurons, suggesting a high degree of endogenous interaction. We further show that the testis-specific circRNA, sex-determining region Y (Sry), serves as a miR-138 sponge, suggesting that miRNA sponge effects achieved by circRNA formation are a general phenomenon. This study serves as the first, to our knowledge, functional analysis of a naturally expressed circRNA.
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              • Record: found
              • Abstract: found
              • Article: found
              Is Open Access

              Overview of MicroRNA Biogenesis, Mechanisms of Actions, and Circulation

              MicroRNAs (miRNAs) are a class of non-coding RNAs that play important roles in regulating gene expression. The majority of miRNAs are transcribed from DNA sequences into primary miRNAs and processed into precursor miRNAs, and finally mature miRNAs. In most cases, miRNAs interact with the 3′ untranslated region (3′ UTR) of target mRNAs to induce mRNA degradation and translational repression. However, interaction of miRNAs with other regions, including the 5′ UTR, coding sequence, and gene promoters, have also been reported. Under certain conditions, miRNAs can also activate translation or regulate transcription. The interaction of miRNAs with their target genes is dynamic and dependent on many factors, such as subcellular location of miRNAs, the abundancy of miRNAs and target mRNAs, and the affinity of miRNA-mRNA interactions. miRNAs can be secreted into extracellular fluids and transported to target cells via vesicles, such as exosomes, or by binding to proteins, including Argonautes. Extracellular miRNAs function as chemical messengers to mediate cell-cell communication. In this review, we provide an update on canonical and non-canonical miRNA biogenesis pathways and various mechanisms underlying miRNA-mediated gene regulations. We also summarize the current knowledge of the dynamics of miRNA action and of the secretion, transfer, and uptake of extracellular miRNAs.
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                Author and article information

                Journal
                Int Immunopharmacol
                Int Immunopharmacol
                International Immunopharmacology
                Elsevier B.V.
                1567-5769
                1878-1705
                21 September 2021
                21 September 2021
                : 108172
                Affiliations
                Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
                Author notes
                [* ]Corresponding author.at: Department of Immunology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
                [1]

                These authors contributed equally to this study.

                Article
                S1567-5769(21)00808-0 108172
                10.1016/j.intimp.2021.108172
                8452524
                34601331
                f2317328-2f10-4bb6-8666-7d48fbe85324
                © 2021 Elsevier B.V. All rights reserved.

                Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

                History
                : 18 June 2021
                : 15 September 2021
                : 16 September 2021
                Categories
                Article

                Pharmacology & Pharmaceutical medicine
                sars-cov-2,covid-19,mirnas,gene regulators,cytokine storm,mirnas-based therapy,2019-ncov, 2019 novel coronavirus,3'-utr, 3'-untranslated region,aa, arachidonic acid,ace, angiotensin-converting enzyme,adam17, a disintegrin and metalloproteinase 17,ages, advanced glycation end products,ago, argonaute,ali, acute lung injury,amp, amplifier,ang, angiotensin,anril, antisense noncoding rna in the ink4 locus,ap-1, activator protein 1,apj, apelin receptor,ards, acute respiratory distress syndrome,asos, antisense oligonucleotides,at1r, ang ii receptor type 1,bbb, blood-brain barrier,catb/l, cathepsin b/l,ccl, c-c motif chemokine ligand,cd, cluster of differentiation,cernas, competing endogenous rnas,chd, coronary heart disease,circrnas, circular rnas,cns, central nervous system,covid-19, coronavirus disease 2019,cox, cyclooxygenase,cpla2, cytoplasmic phospholipase a2,crispr, cas13 family of clustered regularly interspaced short palindromic repeats,csf, colony-stimulating factor,cxcl, c-x-c motif chemokine ligand,cyld, cylindromatosis,damps, damage-associated molecular patterns,dcs, dendritic cells,dic, disseminated intravascular coagulation,dmd, dense matted deposits,dmvs, double membrane vesicles,e protein, envelope protein,eae, experimental autoimmune encephalomyelitis,er, endoplasmic reticulum,erk, extracellular signal-regulated kinase,foxo3, forkhead box o3,g-csf, granulocyte csf,gm-csf, granulocyte-macrophage csf,gp130, glycoprotein 130,h3, histone 3,hmgb1, high mobility group box protein 1,hsa, homo sapiens,hsp, heat shock protein,icu, intensive care unit,ifn, interferon,ifns-i, type i ifns,ig, immunoglobulin,iκb-ζ, inhibitor of nuclear factor kappa b zeta,il, interleukin,irf, ifn regulatory factor,isgs, ifn-stimulated genes,jak, janus kinase,k, lysine,kcnq1ot1, kcnq1 overlapping transcript 1,lncrnas, long non-coding rnas,loxs, lipoxygenases,lpls, lysophospholipids,lps, lipopolysaccharide,lts, leukotrienes,m protein, membrane protein,mapk, mitogen-activated protein kinase,mcs, mast cells,m-csf, macrophage csf,mda5, melanoma differentiation-associated protein 5,me2, dimethylation,me3, trimethylation,meg3, maternally expressed gene 3,mers-cov, middle east respiratory syndrome coronavirus,mil-6r, membrane il-6 receptor,mirisc, microrna-induced silencing complex,mirnas, micrornas,mmp, matrix metalloproteinase,mods, multiple organ dysfunction syndrome,mpges-1, microsomal prostaglandin e synthase-1,mrna, messenger rna,myd88, myeloid differentiation factor 88,n protein, nucleocapsid protein,nf-κb, nuclear factor kappa-light-chain-enhancer of activated b cells,nlrp3, nod-, lrr- and pyrin domain-containing protein 3,noxs, nicotinamide adenine dinucleotide phosphate (nadph) oxidases,nsp, non-structural protein,orf, open reading frame,oxpls, oxidized phospholipids,pao2/fio2, pressure of arterial oxygen to fractional inspired oxygen concentration,pbmcs, peripheral blood mononuclear cells,pg, prostaglandin,pkcα, protein kinase c alpha,ppp2ca, protein phosphatase 2 catalytic subunit alpha,pre-mirnas, precursor mirnas,pri-mirnas, primary mirnas,prr, pattern recognition receptor,rage, receptor for advanced glycation end products,ras, renin-angiotensin system,rbcs, red blood cells,rgmb-as1, rgmb antisense rna 1,rhob, ras homolog gene family member b,rig-i, retinoic acid-inducible gene i,rnai, rna interference,rna pol, rna polymerase,ros, reactive oxygen species,s100a9, s100 calcium-binding protein a9,s protein, spike protein,sars-cov-2, severe acute respiratory syndrome coronavirus 2,sil-6r, soluble il-6r,sirnas, small interfering rnas,socs3, suppressor of cytokine signaling 3,sofa, sequential organ failure assessment score,sry, sex-determining region y,stat, signal transducer and activator of transcription,tab, transforming growth factor β-activated kinase-1 (tak1)-binding protein,tbk1, tank-binding kinase 1,th cells, t helper cells,timp-i, tissue inhibitors of matrix metalloproteinases-i,tlrs, toll-like receptors,tmprss2, transmembrane serine protease 2,tnf-α, tumor necrosis factor alpha,tnfr, tnf receptor,trim27, tripartite motif-containing protein 27,txs, thromboxanes,v-mirna, viral mirna,xpo5, exportin-5
                Pharmacology & Pharmaceutical medicine
                sars-cov-2, covid-19, mirnas, gene regulators, cytokine storm, mirnas-based therapy, 2019-ncov, 2019 novel coronavirus, 3'-utr, 3'-untranslated region, aa, arachidonic acid, ace, angiotensin-converting enzyme, adam17, a disintegrin and metalloproteinase 17, ages, advanced glycation end products, ago, argonaute, ali, acute lung injury, amp, amplifier, ang, angiotensin, anril, antisense noncoding rna in the ink4 locus, ap-1, activator protein 1, apj, apelin receptor, ards, acute respiratory distress syndrome, asos, antisense oligonucleotides, at1r, ang ii receptor type 1, bbb, blood-brain barrier, catb/l, cathepsin b/l, ccl, c-c motif chemokine ligand, cd, cluster of differentiation, cernas, competing endogenous rnas, chd, coronary heart disease, circrnas, circular rnas, cns, central nervous system, covid-19, coronavirus disease 2019, cox, cyclooxygenase, cpla2, cytoplasmic phospholipase a2, crispr, cas13 family of clustered regularly interspaced short palindromic repeats, csf, colony-stimulating factor, cxcl, c-x-c motif chemokine ligand, cyld, cylindromatosis, damps, damage-associated molecular patterns, dcs, dendritic cells, dic, disseminated intravascular coagulation, dmd, dense matted deposits, dmvs, double membrane vesicles, e protein, envelope protein, eae, experimental autoimmune encephalomyelitis, er, endoplasmic reticulum, erk, extracellular signal-regulated kinase, foxo3, forkhead box o3, g-csf, granulocyte csf, gm-csf, granulocyte-macrophage csf, gp130, glycoprotein 130, h3, histone 3, hmgb1, high mobility group box protein 1, hsa, homo sapiens, hsp, heat shock protein, icu, intensive care unit, ifn, interferon, ifns-i, type i ifns, ig, immunoglobulin, iκb-ζ, inhibitor of nuclear factor kappa b zeta, il, interleukin, irf, ifn regulatory factor, isgs, ifn-stimulated genes, jak, janus kinase, k, lysine, kcnq1ot1, kcnq1 overlapping transcript 1, lncrnas, long non-coding rnas, loxs, lipoxygenases, lpls, lysophospholipids, lps, lipopolysaccharide, lts, leukotrienes, m protein, membrane protein, mapk, mitogen-activated protein kinase, mcs, mast cells, m-csf, macrophage csf, mda5, melanoma differentiation-associated protein 5, me2, dimethylation, me3, trimethylation, meg3, maternally expressed gene 3, mers-cov, middle east respiratory syndrome coronavirus, mil-6r, membrane il-6 receptor, mirisc, microrna-induced silencing complex, mirnas, micrornas, mmp, matrix metalloproteinase, mods, multiple organ dysfunction syndrome, mpges-1, microsomal prostaglandin e synthase-1, mrna, messenger rna, myd88, myeloid differentiation factor 88, n protein, nucleocapsid protein, nf-κb, nuclear factor kappa-light-chain-enhancer of activated b cells, nlrp3, nod-, lrr- and pyrin domain-containing protein 3, noxs, nicotinamide adenine dinucleotide phosphate (nadph) oxidases, nsp, non-structural protein, orf, open reading frame, oxpls, oxidized phospholipids, pao2/fio2, pressure of arterial oxygen to fractional inspired oxygen concentration, pbmcs, peripheral blood mononuclear cells, pg, prostaglandin, pkcα, protein kinase c alpha, ppp2ca, protein phosphatase 2 catalytic subunit alpha, pre-mirnas, precursor mirnas, pri-mirnas, primary mirnas, prr, pattern recognition receptor, rage, receptor for advanced glycation end products, ras, renin-angiotensin system, rbcs, red blood cells, rgmb-as1, rgmb antisense rna 1, rhob, ras homolog gene family member b, rig-i, retinoic acid-inducible gene i, rnai, rna interference, rna pol, rna polymerase, ros, reactive oxygen species, s100a9, s100 calcium-binding protein a9, s protein, spike protein, sars-cov-2, severe acute respiratory syndrome coronavirus 2, sil-6r, soluble il-6r, sirnas, small interfering rnas, socs3, suppressor of cytokine signaling 3, sofa, sequential organ failure assessment score, sry, sex-determining region y, stat, signal transducer and activator of transcription, tab, transforming growth factor β-activated kinase-1 (tak1)-binding protein, tbk1, tank-binding kinase 1, th cells, t helper cells, timp-i, tissue inhibitors of matrix metalloproteinases-i, tlrs, toll-like receptors, tmprss2, transmembrane serine protease 2, tnf-α, tumor necrosis factor alpha, tnfr, tnf receptor, trim27, tripartite motif-containing protein 27, txs, thromboxanes, v-mirna, viral mirna, xpo5, exportin-5

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