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Duan X, Li H, Tan X, Liu N, Wang X, Zhang W, Liu Y, Ma W, Wu Y, Ma L, Fan Y. Polygonum cillinerve polysaccharide inhibits transmissible gastroenteritis virus by regulating microRNA-181. Vet J 2024; 304:106083. [PMID: 38365083 DOI: 10.1016/j.tvjl.2024.106083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/12/2024] [Accepted: 02/12/2024] [Indexed: 02/18/2024]
Abstract
Transmissible gastroenteritis virus (TGEV) is an important pathogen capable of altering the expression profile of cellular miRNA. In this study, the potential of Polygonum cillinerve polysaccharide (PCP) to treat TGEV-infected piglets was evaluated through in vivo experiments. High-throughput sequencing technology was employed to identify 9 up-regulated and 17 down-regulated miRNAs during PCP-mediated inhibition of TGEV infection in PK15 cells. Additionally, miR-181 was found to be associated with target genes of key proteins in the apoptosis pathway. PK15 cells were treated with various concentrations of PCP following transfection with miR-181 mimic or inhibitor. Real-time PCR assessed the impact on TGEV replication, while electron microscopy (TEM) and Hoechst fluorescence staining evaluated cellular functionality. Western blot analysis was utilized to assess the expression of key signaling factors-cytochrome C (cyt C), caspase 9, and P53-in the apoptotic signaling pathway. The results showed that compared with the control group, 250 μg/mL PCP significantly inhibited TGEV gRNA replication and gene N expression (P < 0.01). Microscopic examination revealed uniform cell morphology and fewer floating cells in PCP-treated groups (250 and 125 μg/mL). TEM analysis showed no typical virus structure in the 250 μg/mL PCP group, and apoptosis staining indicated a significant reduction in apoptotic cells at this concentration. Furthermore, PCP may inhibit TGEV-induced apoptosis via the Caspase-dependent mitochondrial pathway following miR-181 transfection. These findings provide a theoretical basis for further exploration into the mechanism of PCP's anti-TGEV properties.
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Affiliation(s)
- Xueqin Duan
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, PR China; Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University , Yangling 712100, PR China; Agricultural Management Department, Sichuan Xuanhan Vocational Secondary School, Xuanhan 636350, PR China
| | - Huicong Li
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, PR China; Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University , Yangling 712100, PR China
| | - Xuewen Tan
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, PR China; Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University , Yangling 712100, PR China
| | - Nishang Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, PR China; Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University , Yangling 712100, PR China
| | - Xingchen Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, PR China; Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University , Yangling 712100, PR China
| | - Weimin Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, PR China; Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University , Yangling 712100, PR China
| | - Yingqiu Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, PR China; Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University , Yangling 712100, PR China
| | - Wuren Ma
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, PR China; Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University , Yangling 712100, PR China
| | - Yi Wu
- Nanjing Agricultural University, No 1 Weigang, Nanjing 210095, PR China.
| | - Lin Ma
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, PR China.
| | - Yunpeng Fan
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, PR China; Institute of Traditional Chinese Veterinary Medicine, Northwest A&F University , Yangling 712100, PR China.
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2
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Zhang L, Li Y, Kuhn JH, Zhang K, Song Q, Liu F. Polyubiquitylated rice stripe virus NS3 translocates to the nucleus to promote cytosolic virus replication via miRNA-induced fibrillin 2 upregulation. PLoS Pathog 2024; 20:e1012112. [PMID: 38507423 PMCID: PMC10984529 DOI: 10.1371/journal.ppat.1012112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 04/01/2024] [Accepted: 03/11/2024] [Indexed: 03/22/2024] Open
Abstract
Viruses are encapsidated mobile genetic elements that rely on host cells for replication. Several cytoplasmic RNA viruses synthesize proteins and/or RNAs that translocate to infected cell nuclei. However, the underlying mechanisms and role(s) of cytoplasmic-nuclear trafficking are unclear. We demonstrate that infection of small brown planthoppers with rice stripe virus (RSV), a negarnaviricot RNA virus, results in K63-linked polyubiquitylation of RSV's nonstructural protein 3 (NS3) at residue K127 by the RING ubiquitin ligase (E3) LsRING. In turn, ubiquitylation leads to NS3 trafficking from the cytoplasm to the nucleus, where NS3 regulates primary miRNA pri-miR-92 processing through manipulation of the microprocessor complex, resulting in accumulation of upregulated miRNA lst-miR-92. We show that lst-miR-92 regulates the expression of fibrillin 2, an extracellular matrix protein, thereby increasing RSV loads. Our results highlight the manipulation of intranuclear, cytoplasmic, and extracellular components by an RNA virus to promote its own replication in an insect vector.
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Affiliation(s)
- Lu Zhang
- College of Plant Protection; Yángzhōu University; Yángzhōu, Jiāngsū Province; China
| | - Yao Li
- College of Plant Protection; Yángzhōu University; Yángzhōu, Jiāngsū Province; China
| | - Jens H. Kuhn
- Integrated Research Facility at Fort Detrick; National Institute of Allergy and Infectious Diseases, National Institutes of Health, Fort Detrick; Frederick, Maryland; United States of America
| | - Kun Zhang
- College of Plant Protection; Yángzhōu University; Yángzhōu, Jiāngsū Province; China
| | - Qisheng Song
- Division of Plant Science and Technology; College of Agriculture; Food and Natural Resources; University of Missouri; Columbia, Missouri; United States of America
| | - Fang Liu
- College of Plant Protection; Yángzhōu University; Yángzhōu, Jiāngsū Province; China
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3
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Duan X, Xu M, Wang Y, Liu N, Wang X, Liu Y, Zhang W, Ma W, Ma L, Fan Y. Effect of miR-17 on Polygonum Cillinerve polysaccharide against transmissible gastroenteritis virus. Front Vet Sci 2024; 11:1360102. [PMID: 38444776 PMCID: PMC10912159 DOI: 10.3389/fvets.2024.1360102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Accepted: 02/05/2024] [Indexed: 03/07/2024] Open
Abstract
Transmissible gastroenteritis virus (TGEV) could cause diarrhea, vomiting, dehydration and even death in piglets, miRNA played an important role in the interaction between virus and cell. The study aimed to investigate the impact of miR-17 on the polysaccharide of Polygonum Cillinerve (PCP) in combating TGEV. miR-17 was screened and transfection validation was performed by Real-time PCR. The function of miR-17 on PK15 cells infected with TGEV and treated with PCP was investigated by DCFH-DA loading probe, JC-1 staining and Hoechst fluorescence staining. Furthermore, the effect of miR-17 on PCP inhibiting TGEV replication and apoptosis signaling pathways during PCP against TGEV infection was measured through Real-time PCR and Western blot. The results showed that miR-17 mimic and inhibitor could be transferred into PK15 cells and the expression of miR-17 significantly increased and decreased respectively compared with miR-17 mimic and inhibitor (P < 0.05). A total 250 μg/mL of PCP could inhibit cells apoptosis after transfection with miR-17. PCP (250 μg/mL and 125 μg/mL) significantly inhibited the decrease in mitochondrial membrane potential induced by TGEV after transfection with miR-17 (P < 0.05). After transfection of miR-17 mimic, PCP at concentrations of 250 μg/mL and 125 μg/mL significantly promoted the mRNA expression of P53, cyt C and caspase 9 (P < 0.05). Compared with the control group, the replication of TGEV gRNA and gene N was significantly inhibited by PCP at concentrations of 250 μg/mL and 125 μg/mL after transfection of both miR-17 mimic and inhibitor (P < 0.05). PCP at 62.5 μg/mL significantly inhibited the replication of gene S following transfection with miR-17 inhibitor (P < 0.05). These results suggested that PCP could inhibit the replication of TGEV and apoptosis induced by TGEV by regulating miR-17.
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Affiliation(s)
- Xueqin Duan
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Mengxin Xu
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yunying Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Nishang Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Xingchen Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Yingqiu Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Weimin Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Wuren Ma
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Lin Ma
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
| | - Yunpeng Fan
- College of Veterinary Medicine, Northwest A&F University, Yangling, China
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Yao J, Zhu Y, Zhang G, Zhou X, Shang H, Li L, Xu T. Action mechanisms and characteristics of miRNAs to regulate virus replication. Virology 2024; 590:109966. [PMID: 38100983 DOI: 10.1016/j.virol.2023.109966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 12/05/2023] [Indexed: 12/17/2023]
Abstract
MicroRNAs (miRNAs) have the potential to be explored as antiviral products. It is known that miRNAs have different kinds of target mRNAs and different target sites in mRNAs, and that the action-modes of miRNAs at different target sites may be different. But there is no evidence demonstrating the significance of the differences for the regulation of viruses by miRNAs, which might be crucial for the exploration of miRNA-based antiviral products. Here the experimental studies about the antiviral effects of miRNAs, with validated target mRNAs and target sites in the mRNAs, were systematically collected, based on which the mechanisms whereby miRNAs regulated virus replication were systematically reviewed. And miRNAs' down-regulation rates on target mRNAs and antiviral rates were compared among the miRNAs with different target sites, to analyze the characteristics of action-modes of miRNAs at different target sites during virus replication.
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Affiliation(s)
- Jia Yao
- Jiangxi University of Chinese Medicine, 1688 Mei Ling Avenue, Nanchang, 330004, PR China.
| | - Yating Zhu
- Jiangxi University of Chinese Medicine, 1688 Mei Ling Avenue, Nanchang, 330004, PR China.
| | - Genrong Zhang
- Jiangxi University of Chinese Medicine, 1688 Mei Ling Avenue, Nanchang, 330004, PR China.
| | - Xianfeng Zhou
- Jiangxi University of Chinese Medicine, 1688 Mei Ling Avenue, Nanchang, 330004, PR China.
| | - Hongcai Shang
- Jiangxi University of Chinese Medicine, 1688 Mei Ling Avenue, Nanchang, 330004, PR China; Shang Hongcai, Key Laboratory of Chinese Internal Medicine of MOE and Beijing University of Chinese Medicine, 11 Eastern Section of the North Third Ring Road, Chaoyang District, Beijing, 100029, PR China.
| | - Longxue Li
- Jiangxi University of Chinese Medicine, 1688 Mei Ling Avenue, Nanchang, 330004, PR China.
| | - Tielong Xu
- Jiangxi University of Chinese Medicine, 1688 Mei Ling Avenue, Nanchang, 330004, PR China.
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5
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Chen L, Song Z, Zhou X, Yang G, Yu G. Pathogenic bacteria and fungi in bioaerosols from specialized hospitals in Shandong province, East China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 341:122922. [PMID: 37984476 DOI: 10.1016/j.envpol.2023.122922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 11/08/2023] [Accepted: 11/09/2023] [Indexed: 11/22/2023]
Abstract
Bacteria and fungi are abundant and ubiquitous in bioaerosols in hospital environments. Understanding the distribution and diversity of microbial communities within bioaerosols is critical for mitigating their detrimental effects. Our knowledge on the composition of bacteria or fungi in bioaerosols is limited, especially the potential pathogens present in fine particulate matter (PM2.5) from specialized hospitals. Thirty p.m.2.5 filter samples were collected from five hospitals (i.e., oral, dermatology, chest, eye, and general hospitals) in Shandong Province, East China. The diversity of bacteria and fungi was analyzed at the species level using single-molecule real-time sequencing of the 16 S and internal transcribed spacer 1 (ITS) ribosomal genes, respectively. Significant differences were detected across sampling sites in terms of microbial diversity and community composition in PM2.5 as well as pollution concentrations. The range of PM2.5 concentrations observed in hospital halls was higher, ranging from 39.0 to 46.2 μg/m3, compared to the wards where the concentrations ranged from 10.7 to 25.2 μg/m3. Furthermore, microbial variations in PM2.5 bioaerosols were associated with hospital type. The most dominant pathogens identified were Vibrio metschnikovii, Staphylococcus epidermidis, Staphylococcus haemolyticus, Fusarium pseudensiforme, and Aspergillus ruber. Among these, A. ruber was identified as an opportunistic fungus in a hospital setting for the first time. Nine potentially novel strains of F. pseudensiforme, showing 84.5%-92.0% ITS sequence similarity to known Fusarium isolates, were identified in PM2.5 samples from all hospitals (excluding an eye hospital). This study highlights the importance of hospital environments in shaping microbial aerosol communities. To the best of our knowledge, this is the first study to provide insights into the bacterial and fungal biodiversity of PM2.5 in specialized hospitals, enriching research in healthcare environmental microbiology and carrying significant public health implications.
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Affiliation(s)
- Lei Chen
- College of Life Sciences, Shandong Normal University, Jinan 250014, China
| | - Zhicheng Song
- College of Life Sciences, Shandong Normal University, Jinan 250014, China
| | - Xintian Zhou
- Department of Pediatrics, Taian Maternal and Child Health Hospital, Taian 271000, China
| | - Guiwen Yang
- College of Life Sciences, Shandong Normal University, Jinan 250014, China
| | - Guanliu Yu
- College of Life Sciences, Shandong Normal University, Jinan 250014, China.
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6
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Wang J, Li Y. Current advances in antiviral RNA interference in mammals. FEBS J 2024; 291:208-216. [PMID: 36652199 DOI: 10.1111/febs.16728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 11/09/2022] [Accepted: 01/16/2023] [Indexed: 01/19/2023]
Abstract
Mammals have potent innate immune systems that work together to fight against a variety of distinct viruses. In addition to interferon (IFN) response, which has been intensively studied, antiviral RNA interference (RNAi) is gradually being studied. However, previous studies indicated low Dicer activity on double-stranded RNA (dsRNA) substrates in vitro and that IFN response masks or inhibits antiviral RNAi in mammals. Therefore, whether or not the RNAi is functional for antiviral response in mammalian somatic cells is still an ongoing area of research. In this review, we will present the current advances in antiviral RNAi in mammals and focus on three fundamental questions critical to the intense debate about whether RNAi can function as an innate antiviral immunity in mammals.
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Affiliation(s)
- Jiaxin Wang
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
| | - Yang Li
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
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7
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Cunningham CL, Frye CJ, Makowski JA, Kensinger AH, Shine M, Milback EJ, Lackey PE, Evanseck JD, Mihailescu MR. Effect of the SARS-CoV-2 Delta-associated G15U mutation on the s2m element dimerization and its interactions with miR-1307-3p. RNA (NEW YORK, N.Y.) 2023; 29:1754-1771. [PMID: 37604684 PMCID: PMC10578481 DOI: 10.1261/rna.079627.123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 07/30/2023] [Indexed: 08/23/2023]
Abstract
The s2m, a highly conserved 41-nt hairpin structure in the SARS-CoV-2 genome, serves as an attractive therapeutic target that may have important roles in the virus life cycle or interactions with the host. However, the conserved s2m in Delta SARS-CoV-2, a previously dominant variant characterized by high infectivity and disease severity, has received relatively less attention than that of the original SARS-CoV-2 virus. The focus of this work is to identify and define the s2m changes between Delta and SARS-CoV-2 and the subsequent impact of those changes upon the s2m dimerization and interactions with the host microRNA miR-1307-3p. Bioinformatics analysis of the GISAID database targeting the s2m element reveals a >99% correlation of a single nucleotide mutation at the 15th position (G15U) in Delta SARS-CoV-2. Based on 1H NMR spectroscopy assignments comparing the imino proton resonance region of s2m and the s2m G15U at 19°C, we show that the U15-A29 base pair closes, resulting in a stabilization of the upper stem without overall secondary structure deviation. Increased stability of the upper stem did not affect the chaperone activity of the viral N protein, as it was still able to convert the kissing dimers formed by s2m G15U into a stable duplex conformation, consistent with the s2m reference. However, we show that the s2m G15U mutation drastically impacts the binding of host miR-1307-3p. These findings demonstrate that the observed G15U mutation alters the secondary structure of s2m with subsequent impact on viral binding of host miR-1307-3p, with potential consequences on immune responses.
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Affiliation(s)
- Caylee L Cunningham
- Department of Chemistry and Biochemistry, Duquesne University, Pittsburgh, Pennsylvania 15282, USA
| | - Caleb J Frye
- Department of Chemistry and Biochemistry, Duquesne University, Pittsburgh, Pennsylvania 15282, USA
| | - Joseph A Makowski
- Department of Chemistry and Biochemistry, Duquesne University, Pittsburgh, Pennsylvania 15282, USA
| | - Adam H Kensinger
- Department of Chemistry and Biochemistry, Duquesne University, Pittsburgh, Pennsylvania 15282, USA
| | - Morgan Shine
- Department of Biochemistry and Chemistry, Westminster College, New Wilmington, Pennsylvania 16172, USA
| | - Ella J Milback
- Department of Chemistry and Biochemistry, Duquesne University, Pittsburgh, Pennsylvania 15282, USA
| | - Patrick E Lackey
- Department of Biochemistry and Chemistry, Westminster College, New Wilmington, Pennsylvania 16172, USA
| | - Jeffrey D Evanseck
- Department of Chemistry and Biochemistry, Duquesne University, Pittsburgh, Pennsylvania 15282, USA
| | - Mihaela-Rita Mihailescu
- Department of Chemistry and Biochemistry, Duquesne University, Pittsburgh, Pennsylvania 15282, USA
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8
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Ajila V, Colley L, Ste-Croix DT, Nissan N, Cober ER, Mimee B, Samanfar B, Green JR. Species-specific microRNA discovery and target prediction in the soybean cyst nematode. Sci Rep 2023; 13:17657. [PMID: 37848601 PMCID: PMC10582106 DOI: 10.1038/s41598-023-44469-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 10/09/2023] [Indexed: 10/19/2023] Open
Abstract
The soybean cyst nematode (SCN) is a devastating pathogen for economic and food security considerations. Although the SCN genome has recently been sequenced, the presence of any miRNA has not been systematically explored and reported. This paper describes the development of a species-specific SCN miRNA discovery pipeline and its application to the SCN genome. Experiments on well-documented model nematodes (Caenorhabditis elegans and Pristionchus pacificus) are used to tune the pipeline's hyperparameters and confirm its recall and precision. Application to the SCN genome identifies 3342 high-confidence putative SCN miRNA. Prediction specificity within SCN is confirmed by applying the pipeline to RNA hairpins from known exonic regions of the SCN genome (i.e., sequences known to not be miRNA). Prediction recall is confirmed by building a positive control set of SCN miRNA, based on a limited deep sequencing experiment. Interestingly, a number of novel miRNA are predicted to be encoded within the intronic regions of effector genes, known to be involved in SCN parasitism, suggesting that these miRNA may also be involved in the infection process or virulence. Beyond miRNA discovery, gene targets within SCN are predicted for all high-confidence novel miRNA using a miRNA:mRNA target prediction system. Lastly, cross-kingdom miRNA targeting is investigated, where putative soybean mRNA targets are identified for novel SCN miRNA. All predicted miRNA and gene targets are made available in appendix and through a Borealis DataVerse open repository ( https://borealisdata.ca/dataset.xhtml?persistentId=doi:10.5683/SP3/30DEXA ).
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Affiliation(s)
- Victoria Ajila
- Department of Systems and Computer Engineering, Carleton University, Ottawa, K1S 5B6, Canada
| | - Laura Colley
- Department of Systems and Computer Engineering, Carleton University, Ottawa, K1S 5B6, Canada
| | - Dave T Ste-Croix
- Saint-Jean-sur-Richelieu Research and Development Centre, Agriculture and Agri-Food Canada, Saint-Jean-sur-Richelieu, J3B 7B5, Canada
| | - Nour Nissan
- Ottawa Research and Development Centre, Agriculture and Agri-Food Canada, Ottawa, K1A 0C6, Canada
- Department of Biology and Ottawa Institute of Systems Biology, Carleton University, Ottawa, K1S 5B6, Canada
| | - Elroy R Cober
- Ottawa Research and Development Centre, Agriculture and Agri-Food Canada, Ottawa, K1A 0C6, Canada
| | - Benjamin Mimee
- Saint-Jean-sur-Richelieu Research and Development Centre, Agriculture and Agri-Food Canada, Saint-Jean-sur-Richelieu, J3B 7B5, Canada
| | - Bahram Samanfar
- Ottawa Research and Development Centre, Agriculture and Agri-Food Canada, Ottawa, K1A 0C6, Canada
- Department of Biology and Ottawa Institute of Systems Biology, Carleton University, Ottawa, K1S 5B6, Canada
| | - James R Green
- Department of Systems and Computer Engineering, Carleton University, Ottawa, K1S 5B6, Canada.
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9
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De Cauwer A, Pichot A, Molitor A, Stemmelen T, Carapito R, Bahram S, Georgel P. Measuring the transcriptome-wide effects of aging on murine adipocytes using RNAseq. STAR Protoc 2023; 4:102397. [PMID: 37393615 PMCID: PMC10328976 DOI: 10.1016/j.xpro.2023.102397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/13/2023] [Accepted: 05/31/2023] [Indexed: 07/04/2023] Open
Abstract
Adipose tissue plays a central role in age-related diseases. While RNAseq protocols exist for many tissues, few data have been generated with this technology to explore gene expression in adipocytes, particularly during aging. Here, we present a protocol to analyze the transcriptional changes that occur in adipose tissue during normal and accelerated aging in mouse models. We describe steps for genotyping, diet control, euthanasia, and dissection. We then detail RNA purification and genome-wide data generation and analysis. For complete details on the use and execution of this protocol, please refer to De Cauwer et al. (2022) iScience. Sep 16;25(10):105149.
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Affiliation(s)
- Aurore De Cauwer
- Laboratoire d'ImmunoRhumatologie Moléculaire, Institut National de la Santé et de la Recherche Médicale (INSERM) UMR_S 1109, Institut Thématique Interdisciplinaire (ITI) de Médecine de Précision de Strasbourg, Transplantex NG, Faculté de Médecine, Fédération Hospitalo-Universitaire OMICARE, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, 67085 Strasbourg, France.
| | - Angélique Pichot
- Laboratoire d'ImmunoRhumatologie Moléculaire, Institut National de la Santé et de la Recherche Médicale (INSERM) UMR_S 1109, Institut Thématique Interdisciplinaire (ITI) de Médecine de Précision de Strasbourg, Transplantex NG, Faculté de Médecine, Fédération Hospitalo-Universitaire OMICARE, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, 67085 Strasbourg, France
| | - Anne Molitor
- Laboratoire d'ImmunoRhumatologie Moléculaire, Institut National de la Santé et de la Recherche Médicale (INSERM) UMR_S 1109, Institut Thématique Interdisciplinaire (ITI) de Médecine de Précision de Strasbourg, Transplantex NG, Faculté de Médecine, Fédération Hospitalo-Universitaire OMICARE, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, 67085 Strasbourg, France
| | - Tristan Stemmelen
- Laboratoire d'ImmunoRhumatologie Moléculaire, Institut National de la Santé et de la Recherche Médicale (INSERM) UMR_S 1109, Institut Thématique Interdisciplinaire (ITI) de Médecine de Précision de Strasbourg, Transplantex NG, Faculté de Médecine, Fédération Hospitalo-Universitaire OMICARE, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, 67085 Strasbourg, France; Laboratoire d'Immunologie, Plateau Technique de Biologie, Pôle de Biologie, Nouvel Hôpital Civil, 67000 Strasbourg, France
| | - Raphael Carapito
- Laboratoire d'ImmunoRhumatologie Moléculaire, Institut National de la Santé et de la Recherche Médicale (INSERM) UMR_S 1109, Institut Thématique Interdisciplinaire (ITI) de Médecine de Précision de Strasbourg, Transplantex NG, Faculté de Médecine, Fédération Hospitalo-Universitaire OMICARE, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, 67085 Strasbourg, France; Laboratoire d'Immunologie, Plateau Technique de Biologie, Pôle de Biologie, Nouvel Hôpital Civil, 67000 Strasbourg, France
| | - Seiamak Bahram
- Laboratoire d'ImmunoRhumatologie Moléculaire, Institut National de la Santé et de la Recherche Médicale (INSERM) UMR_S 1109, Institut Thématique Interdisciplinaire (ITI) de Médecine de Précision de Strasbourg, Transplantex NG, Faculté de Médecine, Fédération Hospitalo-Universitaire OMICARE, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, 67085 Strasbourg, France; Laboratoire d'Immunologie, Plateau Technique de Biologie, Pôle de Biologie, Nouvel Hôpital Civil, 67000 Strasbourg, France
| | - Philippe Georgel
- Laboratoire d'ImmunoRhumatologie Moléculaire, Institut National de la Santé et de la Recherche Médicale (INSERM) UMR_S 1109, Institut Thématique Interdisciplinaire (ITI) de Médecine de Précision de Strasbourg, Transplantex NG, Faculté de Médecine, Fédération Hospitalo-Universitaire OMICARE, Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, 67085 Strasbourg, France.
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10
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Hu Y, Cui F, Wang S, Liu C, Zhang S, Wang R, Song J, Zhang Y. MicroRNA expression profile of human umbilical vein endothelial cells in response to coxsackievirus A10 infection reveals a potential role of miR-143-3p in maintaining the integrity of the blood-brain barrier. Front Cell Infect Microbiol 2023; 13:1217984. [PMID: 37577373 PMCID: PMC10419304 DOI: 10.3389/fcimb.2023.1217984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 07/12/2023] [Indexed: 08/15/2023] Open
Abstract
Coxsackievirus A10 (CV-A10) has been one of the main etiologies of hand, foot, and mouth disease (HFMD) epidemics in recent years and can cause mild to severe illness and even death. Most of these severe and fatal cases were closely associated with neurological impairments, but the potential mechanism of neuropathological injury triggered by CV-A10 infection has not been elucidated. MicroRNAs (miRNAs), implicated in the regulation of gene expression in a post-transcriptional manner, play a vital role in the pathogenesis of various central nervous system (CNS) diseases; therefore, they serve as diagnostic biomarkers and are emerging as novel therapeutic targets for CNS injuries. To gain insights into the CV-A10-induced regulation of host miRNA-processing machinery, we employed high-throughput sequencing to identify differentially expressed miRNAs in CV-A10-infected human umbilical vein endothelial cells (HUVECs) and further analyzed the potential functions of these miRNAs during CV-A10 infection. The results showed that CV-A10 infection could induce 189 and 302 significantly differentially expressed miRNAs in HUVECs at 24 and 72 hpi, respectively, compared with the uninfected control. Moreover, the expression of four selected miRNAs and their relevant mRNAs was determined to verify the sequencing data by quantitative reverse transcription-polymerase chain reaction (RT-qPCR) methods. After that, gene target prediction and functional annotation revealed that the targets of these dysregulated miRNAs were mostly enriched in cell proliferation, signal transduction, cAMP signalling pathway, cellular response to interleukin-6, ventral spinal cord interneuron differentiation, negative regulation of glial cell differentiation, neuron migration, positive regulation of neuron projection development, etc., which were primarily involved in the processes of basic physiology, host immunity, and neurological impairments and further reflected vital regulatory roles of miRNA in viral pathogenicity. Finally, the construction of a miRNA-regulated network also suggested that the complex regulatory mechanisms mediated by miRNAs might be involved in viral pathogenesis and virus-host interactions during CV-A10 infection. Furthermore, among these dysregulated miRNAs, miR-143-3p was demonstrated to be involved in the maintenance of blood-brain barrier (BBB) integrity.
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Affiliation(s)
- Yajie Hu
- Department of Pulmonary and Critical Care Medicine, The First People’s Hospital of Yunnan Province, Kunming, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
- Yunnan Provincial Key Laboratory of Clinical Virology, The First People’s Hospital of Yunnan Province, Kunming, China
| | - Fengxian Cui
- Department of Pulmonary and Critical Care Medicine, The First People’s Hospital of Yunnan Province, Kunming, China
- Department of Thoracic Surgery, The First People’s Hospital of Yunnan Province, Kunming, China
| | - Shenglan Wang
- Department of Pulmonary and Critical Care Medicine, The First People’s Hospital of Yunnan Province, Kunming, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Chen Liu
- Department of Pulmonary and Critical Care Medicine, The First People’s Hospital of Yunnan Province, Kunming, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Shengxiong Zhang
- Department of Pulmonary and Critical Care Medicine, The First People’s Hospital of Yunnan Province, Kunming, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Ruiqi Wang
- Department of Pulmonary and Critical Care Medicine, The First People’s Hospital of Yunnan Province, Kunming, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Jie Song
- Institute of Medical Biology, Chinese Academy of Medical Science and Peking Union Medical College, Yunnan Key Laboratory of Vaccine Research and Development on Severe Infectious Diseases, Kunming, China
| | - Yunhui Zhang
- Department of Pulmonary and Critical Care Medicine, The First People’s Hospital of Yunnan Province, Kunming, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
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11
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Castillo JA, Urcuqui-Inchima S. Vitamin D modulates inflammatory response of DENV-2-infected macrophages by inhibiting the expression of inflammatory-liked miRNAs. Pathog Glob Health 2023; 117:167-180. [PMID: 35850625 PMCID: PMC9970239 DOI: 10.1080/20477724.2022.2101840] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022] Open
Abstract
Dengue disease caused by dengue virus (DENV) infection is the most common vector-borne viral disease worldwide. Currently, no treatment is available to fight dengue symptoms. We and others have demonstrated the antiviral and immunomodulatory properties of VitD3 as a possible therapy for DENV infection. MicroRNAs (miRNAs) are small non-coding RNAs responsible for the regulation of cell processes including antiviral defense. Previous transcriptomic analysis showed that VitD3 regulates the expression of genes involved in stress and immune response by inducing specific miRNAs. Here, we focus on the effects of VitD3 supplementation in the regulation of the expression of inflammatory-liked miR-182-5p, miR-130a-3p, miR125b-5p, miR146a-5p, and miR-155-5p during DENV-2 infection of monocyte-derived macrophages (MDMs). Further, we evaluated the effects of inhibition of these miRNAs in the innate immune response. Our results showed that supplementation with VitD3 differentially regulated the expression of these inflammatory miRNAs. We also observed that inhibition of miR-182-5p, miR-130a-3p, miR-125b-5p, and miR-155-5p, led to decreased production of TNF-α and TLR9 expression, while increased the expression of SOCS-1, IFN-β, and OAS1, without affecting DENV replication. By contrast, over-expression of miR-182-5p, miR-130a-3p, miR-125b-5p, and miR-155-5p significantly decreased DENV-2 infection rates and also DENV-2 replication in MDMs. Our results suggest that VitD3 immunomodulatory effects involve regulation of inflammation-linked miRNAs expression, which might play a key role in the inflammatory response during DENV infection.
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Affiliation(s)
- Jorge Andrés Castillo
- Grupo de Inmunovirología. Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad de Antioquia UdeA, Medellín, Colombia
| | - Silvio Urcuqui-Inchima
- Grupo de Inmunovirología. Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad de Antioquia UdeA, Medellín, Colombia
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12
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RNA interference, an emerging component of antiviral immunity in mammals. Biochem Soc Trans 2023; 51:137-146. [PMID: 36606711 DOI: 10.1042/bst20220385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 01/07/2023]
Abstract
Antiviral RNA interference (RNAi) is an immune pathway that can, in certain conditions, protect mammalian cells against RNA viruses. It depends on the recognition and dicing of viral double-stranded RNA by a protein of the Dicer family, which leads to the production of viral small interfering RNAs (vsiRNAs) that sequence-specifically guide the degradation of cognate viral RNA. If the first line of defence against viruses relies on type-I and type-III interferons (IFN) in mammals, certain cell types such as stem cells, that are hyporesponsive for IFN, instead use antiviral RNAi via the expression of a specific antiviral Dicer. In certain conditions, antiviral RNAi can also contribute to the protection of differentiated cells. Indeed, abundant vsiRNAs are detected in infected cells and efficiently guide the degradation of viral RNA, especially in cells infected with viruses disabled for viral suppressors of RNAi (VSRs), which are virally encoded blockers of antiviral RNAi. The existence and importance of antiviral RNAi in differentiated cells has however been debated in the field, because data document mutual inhibition between IFN and antiviral RNAi. Recent developments include the engineering of a small molecule inhibitor of VSR to probe antiviral RNAi in vivo, as well as the detection of vsiRNAs inside extracellular vesicles in the serum of infected mice. It suggests that using more complex, in vivo models could allow to unravel the contribution of antiviral RNAi to immunity at the host level.
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13
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Cunningham CL, Frye CJ, Makowski JA, Kensinger AH, Shine M, Milback EJ, Lackey PE, Evanseck JD, Mihailescu MR. Effect of the SARS-CoV-2 Delta-associated G15U mutation on the s2m element dimerization and its interactions with miR-1307-3p. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.02.10.528014. [PMID: 36798421 PMCID: PMC9934655 DOI: 10.1101/2023.02.10.528014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
The stem loop 2 motif (s2m), a highly conserved 41-nucleotide hairpin structure in the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) genome, serves as an attractive therapeutic target that may have important roles in the virus life cycle or interactions with the host. However, the conserved s2m in Delta SARS-CoV-2, a previously dominant variant characterized by high infectivity and disease severity, has received relatively less attention than that of the original SARS-CoV-2 virus. The focus of this work is to identify and define the s2m changes between Delta and SARS-CoV-2 and subsequent impact of those changes upon the s2m dimerization and interactions with the host microRNA miR-1307-3p. Bioinformatics analysis of the GISAID database targeting the s2m element reveals a greater than 99% correlation of a single nucleotide mutation at the 15 th position (G15U) in Delta SARS-CoV-2. Based on 1 H NMR assignments comparing the imino proton resonance region of s2m and the G15U at 19°C, we find that the U15-A29 base pair closes resulting in a stabilization of the upper stem without overall secondary structure deviation. Increased stability of the upper stem did not affect the chaperone activity of the viral N protein, as it was still able to convert the kissing dimers formed by s2m G15U into a stable duplex conformation, consistent with the s2m reference. However, we find that the s2m G15U mutation drastically reduces the binding affinity of the host miR-1307-3p. These findings demonstrate that the observed G15U mutation alters the secondary structure of s2m with subsequent impact on viral binding of host miR-1307-3p, with potential consequences on the immune response.
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Bao Y, Shi Y, Zhou L, Gao S, Yao R, Guo S, Geng Z, Bao L, Zhao R, Cui X. MicroRNA-205-5p: A potential therapeutic target for influenza A. J Cell Mol Med 2022; 26:5917-5928. [PMID: 36403222 PMCID: PMC9716220 DOI: 10.1111/jcmm.17615] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 11/03/2022] [Accepted: 11/09/2022] [Indexed: 02/11/2024] Open
Abstract
We are committed to finding host targets for influenza A therapeutics. The nucleoprotein (NP) plays an important role in influenza A virus replication and is an indispensable part of viral transcription and replication. Exploring endogenous substances that can modulate NP is critical for finding host targets. MicroRNAs (miRNAs, miR) are a novel class of powerful, endogenous gene expression regulators. Herein, we used miRanda to analyse the base complementarity between the NP gene and the 14 host miRNAs reported previously by us. MiRanda predicted that miR-431-5p, miR-744-3p and miR-205-5p could complement the NP gene. To understand the effect of these miRNAs on NP expression, we co-transfected 293 T cells with NP gene sequence containing above miRNAs binding site or full sequence of NP gene (transfected into pmirGlo or pcDNA3.1 vectors, respectively), and mimics of miR-205-5p, miR-431-5p and miR-744-3p. Dual luciferase reporter gene or Western blotting assays confirmed that miR-205-5p and miR-431-5p inhibit NP expression by binding with the miRNA binding site of NP gene. Further, we infected Mouse Lung Epithelial (MLE-12) cells overexpressing miR-205-5p and miR-431-5p with influenza A virus and performed Western blotting to examine NP expression. We found that NP expression was significantly reduced in MLE-12 cells overexpressing miR-205-5p during influenza A infection. The miR-205-5p overexpression-induced inhibition of influenza A replication could be attributed to the inhibition of NP expression. Further, we administered oseltamivir and Jinchai Antiviral Capsules (JC, an anti-influenza Chinese medicine) to influenza A virus-infected MLE-12 cells and mice. We found that miR-205-5p was significantly decreased increased in infected cells and lung tissues, and oseltamivir and JC could up-regulate miR-205-5p. In conclusion, we provide new evidence that miR-205-5p plays a role in regulating viral NP protein expression in combating influenza A and may be a potential target for influenza A therapy.
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Affiliation(s)
- Yanyan Bao
- Institute of Chinese Materia MedicaChina Academy of Chinese Medical SciencesBeijingChina
| | - Yujing Shi
- Institute of Chinese Materia MedicaChina Academy of Chinese Medical SciencesBeijingChina
| | - Lirun Zhou
- Institute of Chinese Materia MedicaChina Academy of Chinese Medical SciencesBeijingChina
| | - Shuangrong Gao
- Institute of Chinese Materia MedicaChina Academy of Chinese Medical SciencesBeijingChina
| | - Rongmei Yao
- Institute of Traditional Chinese MedicineTianjin University of Traditional Chinese MedicineTianjinChina
| | - Shanshan Guo
- Institute of Chinese Materia MedicaChina Academy of Chinese Medical SciencesBeijingChina
| | - Zihan Geng
- Institute of Chinese Materia MedicaChina Academy of Chinese Medical SciencesBeijingChina
| | - Lei Bao
- Institute of Chinese Materia MedicaChina Academy of Chinese Medical SciencesBeijingChina
| | - Ronghua Zhao
- Institute of Chinese Materia MedicaChina Academy of Chinese Medical SciencesBeijingChina
| | - Xiaolan Cui
- Institute of Chinese Materia MedicaChina Academy of Chinese Medical SciencesBeijingChina
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15
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Dicer1 deficient mice exhibit premature aging and metabolic perturbations in adipocytes. iScience 2022; 25:105149. [PMID: 36185376 PMCID: PMC9523393 DOI: 10.1016/j.isci.2022.105149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 08/12/2022] [Accepted: 09/13/2022] [Indexed: 11/26/2022] Open
Abstract
Age-related diseases are major concern in developed countries. To avoid disabilities that accompany increased lifespan, pharmaceutical approaches are considered. Therefore, appropriate animal models are required for a better understanding of aging processes and potential in vivo assays to evaluate the impact of molecules that may delay the occurrence of age-related diseases. Few mouse models exhibiting pathological aging exist, but currently, none of them reproducibly mimics human diseases like osteoporosis, cognitive dysfunctions or sarcopenia that can be seen in some, but not all, elders. Here, we describe the premature aging phenotypes of Dicer-deficient mature animals, which exhibit an overall deterioration of many organs and tissues (skin, heart, and adipose tissue) ultimately leading to a significant reduction of their lifespan. Molecular characterization of transcriptional responses focused on the adipose tissue suggested that both canonical and non-canonical functions of DICER are involved in this process and highlight potential actionable pathways to revert it. Dicer1-deficient mice have a reduced lifespan with early age-related symptoms Mutant mice are resistant to high fat diet-induced disorders Myokines FGF21 and GDF15 are likely key regulators of adipocytes metabolism
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miRNA expression patterns in blood leukocytes and milk somatic cells of goats infected with small ruminant lentivirus (SRLV). Sci Rep 2022; 12:13239. [PMID: 35918371 PMCID: PMC9344810 DOI: 10.1038/s41598-022-17276-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 07/22/2022] [Indexed: 11/08/2022] Open
Abstract
The study aims to determine the selected miRNAs expression in milk somatic cells (MSC) and blood leukocytes (BL) of SRLV-seronegative (SRLV-SN) and SRLV-seropositive (SRLV-SP) goats. A functional in silico analysis of their target genes was also conducted. MiR-93-5p and miR-30e-5p were expressed only in BL, while miR-144 was expressed only in MSC, regardless of SRLV infection. In the SRLV-SP goats, higher miR-214-3p and miR-221-5p levels were found in the MSC than in the BL. Only miR-30e-5p was influenced by the lactation stage in BL in both groups, while only miR-93-5p was altered in BL of SRLV-SN goats. The target gene protein products exhibited contradictory functions, protecting the host from virus on the one hand and assisting viruses in their life cycle on the other. The differential expression of the miRNAs observed between the MSC and BL of SRLV-SP goats may suggest that the local immune response to the infection in the udder differs from the systemic response, and acts independently. Some miRNAs demonstrated different expression between lactation stages. It may be influenced by the metabolic burden occurring in early lactation and its peak. Some of the studied miRNAs may influence viral infection by regulating the expression of their target genes.
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Panda M, Kalita E, Singh S, Kumar K, Rao A, Prajapati VK. MiRNA-SARS-CoV-2 dialogue and prospective anti-COVID-19 therapies. Life Sci 2022; 305:120761. [PMID: 35787998 PMCID: PMC9249409 DOI: 10.1016/j.lfs.2022.120761] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 06/24/2022] [Accepted: 06/28/2022] [Indexed: 02/08/2023]
Abstract
COVID-19 is a highly transmissible disease caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), affects 226 countries and continents, and has resulted in >6.2 million deaths worldwide. Despite the efforts of all scientific institutions worldwide to identify potential therapeutics, no specific drug has been approved by the FDA to treat the COVID-19 patient. SARS-CoV-2 variants of concerns make the potential of publicly known therapeutics to respond to and detect disease onset highly improbable. The quest for universal therapeutics pointed to the ability of RNA-based molecules to shield and detect the adverse effects of the COVID-19 illness. One such candidate, miRNA (microRNA), works on regulating the differential expression of the target gene post-transcriptionally. The prime focus of this review is to report the critical miRNA molecule and their regular expression in patients with COVID-19 infection and associated comorbidities. Viral and host miRNAs control the etiology of COVID-19 infection throughout the life cycle and host inflammatory response, where host miRNAs are identified as a double-edged showing as a proviral and antiviral response. The review also covered the role of viral miRNAs in mediating host cell signaling expression during disease pathology. Studying molecular interactions between the host and the SARS-CoV-2 virus during COVID-19 pathogenesis offers the chance to use miRNA-based therapeutics to reduce the severity of the illness. By utilizing an appropriate delivery vehicle, these small non-coding RNA could be envisioned as a promising biomarker in designing a practical RNAi-based treatment approach of clinical significance.
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Affiliation(s)
- Mamta Panda
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Bandarsindri, Kishangarh, Ajmer 305817, Rajasthan, India
| | - Elora Kalita
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Bandarsindri, Kishangarh, Ajmer 305817, Rajasthan, India
| | - Satyendra Singh
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Bandarsindri, Kishangarh, Ajmer 305817, Rajasthan, India
| | - Ketan Kumar
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Bandarsindri, Kishangarh, Ajmer 305817, Rajasthan, India
| | - Abhishek Rao
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Bandarsindri, Kishangarh, Ajmer 305817, Rajasthan, India
| | - Vijay Kumar Prajapati
- Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Bandarsindri, Kishangarh, Ajmer 305817, Rajasthan, India.
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Elkady G, Chen Y, Hu C, Chen J, Chen X, Guo A. MicroRNA Profile of MA-104 Cell Line Associated With the Pathogenesis of Bovine Rotavirus Strain Circulated in Chinese Calves. Front Microbiol 2022; 13:854348. [PMID: 35516441 PMCID: PMC9062783 DOI: 10.3389/fmicb.2022.854348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 02/28/2022] [Indexed: 11/13/2022] Open
Abstract
Bovine rotavirus (BRV) causes massive economic losses in the livestock industry worldwide. Elucidating the pathogenesis of BRV would help in the development of more effective measures to control BRV infection. The MA-104 cell line is sensitive to BRV and is thereby a convenient tool for determining BRV–host interactions. Thus far, the role of the microRNAs (miRNAs) of MA-104 cells during BRV infection is still ambiguous. We performed Illumina RNA sequencing analysis of the miRNA libraries of BRV-infected and mock-infected MA-104 cells at different time points: at 0 h post-infection (hpi) (just after 90 min of adsorption) and at 6, 12, 24, 36, and 48 hpi. The total clean reads obtained from BRV-infected and uninfected cells were 74,701,041 and 74,184,124, respectively. Based on these, 579 were categorized as known miRNAs and 144 as novel miRNAs. One hundred and sixty differentially expressed (DE) miRNAs in BRV-infected cells in comparison with uninfected MA-104 cells were successfully investigated, 95 of which were upregulated and 65 were downregulated. The target messenger RNAs (mRNAs) of the DE miRNAs were examined by bioinformatics analysis. Functional annotation of the target genes with Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) suggested that these genes mainly contributed to biological pathways, endocytosis, apoptotic process, trans-Golgi membrane, and lysosome. Pathways such as the mammalian target of rapamycin (mTOR) (mml-miR-486-3p and mml-miR-197-3p), nuclear factor kappa B (NF-κB) (mml-miR-204-3p and novel_366), Rap1 (mml-miR-127-3p), cAMP (mml-miR-106b-3p), mitogen-activated protein kinase (MAPK) (mml-miR-342-5p), T-cell receptor signaling (mml-miR-369-5p), RIG-I-like receptor signaling (mml-miR-504-5p), AMP-activated protein kinase (AMPK) (mml-miR-365-1-5p), and phosphatidylinositol-3-kinase/protein kinase B (PI3K/Akt) signaling (mml-miR-299-3p) were enriched. Moreover, real-time quantitative PCR (qPCR) verified the expression profiles of 23 selected DE miRNAs, which were consistent with the results of deep sequencing, and the 28 corresponding target mRNAs were mainly of regulatory pathways of the cellular machinery and immune importance, according to the bioinformatics analysis. Our study is the first to report a novel approach that uncovers the impact of BRV infection on the miRNA expressions of MA-104 cells, and it offers clues for identifying potential candidates for antiviral or vaccine strategies.
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Affiliation(s)
- Gehad Elkady
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Cooperative Innovation Centre of Substantial Pig Production, Huazhong Agricultural University, Wuhan, China
- Benha University, Benha, Egypt
| | - Yingyu Chen
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Cooperative Innovation Centre of Substantial Pig Production, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, China
- Hubei International Scientific and Technological Cooperation Base of Veterinary Epidemiology, Huazhong Agricultural University, Wuhan, China
| | - Changmin Hu
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Cooperative Innovation Centre of Substantial Pig Production, Huazhong Agricultural University, Wuhan, China
| | - Jianguo Chen
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Cooperative Innovation Centre of Substantial Pig Production, Huazhong Agricultural University, Wuhan, China
| | - Xi Chen
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Cooperative Innovation Centre of Substantial Pig Production, Huazhong Agricultural University, Wuhan, China
| | - Aizhen Guo
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Cooperative Innovation Centre of Substantial Pig Production, Huazhong Agricultural University, Wuhan, China
- Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan, China
- Hubei International Scientific and Technological Cooperation Base of Veterinary Epidemiology, Huazhong Agricultural University, Wuhan, China
- *Correspondence: Aizhen Guo,
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B HDM, Guru A, Sudhakaran G, Murugan R, Arshad A, Arockiaraj J. Double‐edged sword role of shrimp miRNA explains an evolutionary language between shrimp‐pathogen interactions that unties the knot of shrimp infection. REVIEWS IN AQUACULTURE 2022; 14:578-593. [DOI: 10.1111/raq.12613] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 08/21/2021] [Indexed: 10/16/2023]
Abstract
AbstractShrimp production, using a small‐scale enclosed pond system, is a rapidly growing aquaculture sector, which is valued around USD 18.30 billion in 2020. Intensified shrimp culture leads to the outbreak of transmissible diseases to eventually cause a huge loss in the production process and thus the economy. Studies on microRNA (miRNA) reveal that miRNA has an influential role in the host‐pathogen interaction during an infection. Recently, shrimp miRNA has been shown to help pathogen‐like viruses for their replication and infection. Several shrimp miRNAs were reported to be involved in enhancing host immunity against viral infection, especially white spot syndrome virus (WSSV) infection and Vibrio infection caused by bacterial species, whereas some shrimp miRNAs were reported to be hijacked by WSSV and to enhance the viral replication and establish the infection in shrimp. This gives an insight into the double‐edged sword role played by shrimp miRNA during host‐pathogen interaction. In future, this role could be employed against the virus to strengthen the shrimp culture. In this review, we discuss the role of shrimp miRNA and their mechanism(s) associated with the establishment of host‐pathogen interaction during infection, which will reveal the complexity associated with shrimp infection.
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Affiliation(s)
- Hari Deva Muthu B
- SRM Research Institute SRM Institute of Science and Technology Chennai Tamil Nadu India
- Department of Biotechnology, College of Science and Humanities SRM Institute of Science and Technology Chennai Tamil Nadu India
| | - Ajay Guru
- SRM Research Institute SRM Institute of Science and Technology Chennai Tamil Nadu India
- Department of Biotechnology, College of Science and Humanities SRM Institute of Science and Technology Chennai Tamil Nadu India
| | - Gokul Sudhakaran
- SRM Research Institute SRM Institute of Science and Technology Chennai Tamil Nadu India
- Department of Biotechnology, College of Science and Humanities SRM Institute of Science and Technology Chennai Tamil Nadu India
| | - Raghul Murugan
- SRM Research Institute SRM Institute of Science and Technology Chennai Tamil Nadu India
- Department of Biotechnology, College of Science and Humanities SRM Institute of Science and Technology Chennai Tamil Nadu India
| | - Aziz Arshad
- International Institute of Aquaculture and Aquatic Sciences (I‐AQUAS), Universiti Putra Malaysia Negeri Sembilan Malaysia
- Department of Aquaculture, Faculty of Agriculture Universiti Putra Malaysia Serdang Selangor Malaysia
| | - Jesu Arockiaraj
- SRM Research Institute SRM Institute of Science and Technology Chennai Tamil Nadu India
- Department of Biotechnology, College of Science and Humanities SRM Institute of Science and Technology Chennai Tamil Nadu India
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Lin KY, Wu SY, Hsu YH, Lin NS. MiR398-regulated antioxidants contribute to Bamboo mosaic virus accumulation and symptom manifestation. PLANT PHYSIOLOGY 2022; 188:593-607. [PMID: 34695209 PMCID: PMC9040666 DOI: 10.1093/plphys/kiab451] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 08/27/2021] [Indexed: 06/13/2023]
Abstract
Virus infections that cause mosaic or mottling in leaves commonly also induce increased levels of reactive oxygen species (ROS). However, how ROS contributes to symptoms is less well documented. Bamboo mosaic virus (BaMV) causes chlorotic mosaic symptoms in both Brachypodium distachyon and Nicotiana benthamiana. The BaMV △CPN35 mutant with an N-terminal deletion of its coat protein gene exhibits asymptomatic infection independently of virus titer. Histochemical staining of ROS in mock-, BaMV-, and BaMV△CPN35-infected leaves revealed that hydrogen peroxide (H2O2) accumulated solely in BaMV-induced chlorotic spots. Moreover, exogenous H2O2 treatment enhanced yellowish chlorosis in BaMV-infected leaves. Both BaMV and BaMV△CPN35 infection could induce the expression of Cu/Zu superoxide dismutase (CSD) antioxidants at messenger RNA and protein level. However, BaMV triggered the abundant accumulation of full-length NbCSD2 preprotein (prNbCSD2, without transit peptide cleavage), whereas BaMV△CPN35 induced a truncated prNbCSD2. Confocal microscopy showed that majority of NbCSD2-green fluorescent protein (GFP) predominantly localized in the cytosol upon BaMV infection, but BaMV△CPN35 infection tended to cause NbCSD2-GFP to remain in chloroplasts. By 5'-RNA ligase-mediated rapid amplification of cDNA ends, we validated CSDs are the targets of miR398 in vivo. Furthermore, BaMV infection increased the level of miR398, while the level of BaMV titer was regulated positively by miR398 but negatively by CSD2. In contrast, overexpression of cytosolic form NbCSD2, impairing the transport into chloroplasts, greatly enhanced BaMV accumulation. Taken together, our results indicate that induction of miR398 by BaMV infection may facilitate viral titer accumulation, and cytosolic prNbCSD2 induction may contribute to H2O2 accumulation, resulting in the development of BaMV chlorotic symptoms in plants.
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Affiliation(s)
- Kuan-Yu Lin
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Su-Yao Wu
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei 11529, Taiwan
| | - Yau-Heiu Hsu
- Graduate Institute of Biotechnology, National Chung Hsing University, Taichung 40227, Taiwan
| | - Na-Sheng Lin
- Institute of Plant and Microbial Biology, Academia Sinica, Taipei 11529, Taiwan
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21
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Molecular Pathogenesis and Immune Evasion of Vesicular Stomatitis New Jersey Virus Inferred from Genes Expression Changes in Infected Porcine Macrophages. Pathogens 2021; 10:pathogens10091134. [PMID: 34578166 PMCID: PMC8469936 DOI: 10.3390/pathogens10091134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/27/2021] [Accepted: 08/31/2021] [Indexed: 11/17/2022] Open
Abstract
The molecular mechanisms associated with the pathogenesis of vesicular stomatitis virus (VSV) in livestock remain poorly understood. Several studies have highlighted the relevant role of macrophages in controlling the systemic dissemination of VSV during infection in different animal models, including mice, cattle, and pigs. To gain more insight into the molecular mechanisms used by VSV to impair the immune response in macrophages, we used microarrays to determine the transcriptomic changes produced by VSV infection in primary cultures of porcine macrophages. The results indicated that VSV infection induced the massive expression of multiple anorexic, pyrogenic, proinflammatory, and immunosuppressive genes. Overall, the interferon (IFN) response appeared to be suppressed, leading to the absence of stimulation of interferon-stimulated genes (ISG). Interestingly, VSV infection promoted the expression of several genes known to downregulate the expression of IFNβ. This represents an alternate mechanism for VSV control of the IFN response, beyond the recognized mechanisms mediated by the matrix protein. Although there was no significant differential gene expression in macrophages infected with a highly virulent epidemic strain compared to a less virulent endemic strain, the endemic strain consistently induced higher expression of all upregulated cytokines and chemokines. Collectively, this study provides novel insights into VSV molecular pathogenesis and immune evasion that warrant further investigation.
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22
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Afshari A, Yaghobi R, Rezaei G. Inter-regulatory role of microRNAs in interaction between viruses and stem cells. World J Stem Cells 2021; 13:985-1004. [PMID: 34567421 PMCID: PMC8422934 DOI: 10.4252/wjsc.v13.i8.985] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 04/11/2021] [Accepted: 07/13/2021] [Indexed: 02/06/2023] Open
Abstract
MicroRNAs (miRNAs) are well known for post-transcriptional regulatory ability over specific mRNA targets. miRNAs exhibit temporal or tissue-specific expression patterns and regulate the cell and tissue developmental pathways. They also have determinative roles in production and differentiation of multiple lineages of stem cells and might have therapeutic advantages. miRNAs are a part of some viruses’ regulatory machinery, not a byproduct. The trace of miRNAs was detected in the genomes of viruses and regulation of cell reprograming and viral pathogenesis. Combination of inter-regulatory systems has been detected for miRNAs during viral infections in stem cells. Contraction between viruses and stem cells may be helpful in therapeutic tactics, pathogenesis, controlling viral infections and defining stem cell developmental strategies that is programmed by miRNAs as a tool. Therefore, in this review we intended to study the inter-regulatory role of miRNAs in the interaction between viruses and stem cells and tried to explain the advantages of miRNA regulatory potentials, which make a new landscape for future studies.
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Affiliation(s)
- Afsoon Afshari
- Shiraz Nephro-Urology Research Center, Shiraz University of Medical Sciences, Shiraz 7193711351, Iran
| | - Ramin Yaghobi
- Shiraz Transplant Research Center, Shiraz University of Medical Sciences, Shiraz 7193711351, Iran
| | - Ghazal Rezaei
- Shiraz Transplant Research Center, Shiraz University of Medical Sciences, Shiraz 7193711351, Iran
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Narożna M, Rubiś B. Anti-SARS-CoV-2 Strategies and the Potential Role of miRNA in the Assessment of COVID-19 Morbidity, Recurrence, and Therapy. Int J Mol Sci 2021; 22:8663. [PMID: 34445368 PMCID: PMC8395427 DOI: 10.3390/ijms22168663] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 08/07/2021] [Accepted: 08/08/2021] [Indexed: 02/06/2023] Open
Abstract
Recently, we have experienced a serious pandemic. Despite significant technological advances in molecular technologies, it is very challenging to slow down the infection spread. It appeared that due to globalization, SARS-CoV-2 spread easily and adapted to new environments or geographical or weather zones. Additionally, new variants are emerging that show different infection potential and clinical outcomes. On the other hand, we have some experience with other pandemics and some solutions in virus elimination that could be adapted. This is of high importance since, as the latest reports demonstrate, vaccine technology might not follow the new, mutated virus outbreaks. Thus, identification of novel strategies and markers or diagnostic methods is highly necessary. For this reason, we present some of the latest views on SARS-CoV-2/COVID-19 therapeutic strategies and raise a solution based on miRNA. We believe that in the face of the rapidly increasing global situation and based on analogical studies of other viruses, the possibility of using the biological potential of miRNA technology is very promising. It could be used as a promising diagnostic and prognostic factor, as well as a therapeutic target and tool.
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Affiliation(s)
- Maria Narożna
- Department of Pharmaceutical Biochemistry, Poznan University of Medical Sciences, 4 Święcickiego St., 60-781 Poznan, Poland;
| | - Błażej Rubiś
- Department of Clinical Chemistry and Molecular Diagnostics, Poznan University of Medical Sciences, 49 Przybyszewskiego St., 60-355 Poznan, Poland
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24
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Decreased inhibition of exosomal miRNAs on SARS-CoV-2 replication underlies poor outcomes in elderly people and diabetic patients. Signal Transduct Target Ther 2021; 6:300. [PMID: 34381015 PMCID: PMC8355568 DOI: 10.1038/s41392-021-00716-y] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 07/13/2021] [Accepted: 07/23/2021] [Indexed: 01/08/2023] Open
Abstract
Elderly people and patients with comorbidities are at higher risk of COVID-19 infection, resulting in severe complications and high mortality. However, the underlying mechanisms are unclear. In this study, we investigate whether miRNAs in serum exosomes can exert antiviral functions and affect the response to COVID-19 in the elderly and people with diabetes. First, we identified four miRNAs (miR-7-5p, miR-24-3p, miR-145-5p and miR-223-3p) through high-throughput sequencing and quantitative real-time PCR analysis, that are remarkably decreased in the elderly and diabetic groups. We further demonstrated that these miRNAs, either in the exosome or in the free form, can directly inhibit S protein expression and SARS-CoV-2 replication. Serum exosomes from young people can inhibit SARS-CoV-2 replication and S protein expression, while the inhibitory effect is markedly decreased in the elderly and diabetic patients. Moreover, three out of the four circulating miRNAs are significantly increased in the serum of healthy volunteers after 8-weeks’ continuous physical exercise. Serum exosomes isolated from these volunteers also showed stronger inhibitory effects on S protein expression and SARS-CoV-2 replication. Our study demonstrates for the first time that circulating exosomal miRNAs can directly inhibit SARS-CoV-2 replication and may provide a possible explanation for the difference in response to COVID-19 between young people and the elderly or people with comorbidities.
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Zhang Y, Xu Y, Dai Y, Li Z, Wang J, Ye Z, Ren Y, Wang H, Li WX, Lu J, Ding SW, Li Y. Efficient Dicer processing of virus-derived double-stranded RNAs and its modulation by RIG-I-like receptor LGP2. PLoS Pathog 2021; 17:e1009790. [PMID: 34343211 PMCID: PMC8362961 DOI: 10.1371/journal.ppat.1009790] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 08/13/2021] [Accepted: 07/09/2021] [Indexed: 02/06/2023] Open
Abstract
The interferon-regulated antiviral responses are essential for the induction of both innate and adaptive immunity in mammals. Production of virus-derived small-interfering RNAs (vsiRNAs) to restrict virus infection by RNA interference (RNAi) is a recently identified mammalian immune response to several RNA viruses, which cause important human diseases such as influenza and Zika virus. However, little is known about Dicer processing of viral double-stranded RNA replicative intermediates (dsRNA-vRIs) in mammalian somatic cells. Here we show that infected somatic cells produced more influenza vsiRNAs than cellular microRNAs when both were produced by human Dicer expressed de novo, indicating that dsRNA-vRIs are not poor Dicer substrates as previously proposed according to in vitro Dicer processing of synthetic long dsRNA. We report the first evidence both for canonical vsiRNA production during wild-type Nodamura virus infection and direct vsiRNA sequestration by its RNAi suppressor protein B2 in two strains of suckling mice. Moreover, Sindbis virus (SINV) accumulation in vivo was decreased by prior production of SINV-targeting vsiRNAs triggered by infection and increased by heterologous expression of B2 in cis from SINV genome, indicating an antiviral function for the induced RNAi response. These findings reveal that unlike artificial long dsRNA, dsRNA-vRIs made during authentic infection of mature somatic cells are efficiently processed by Dicer into vsiRNAs to direct antiviral RNAi. Interestingly, Dicer processing of dsRNA-vRIs into vsiRNAs was inhibited by LGP2 (laboratory of genetics and physiology 2), which was encoded by an interferon-stimulated gene (ISG) shown recently to inhibit Dicer processing of artificial long dsRNA in cell culture. Our work thus further suggests negative modulation of antiviral RNAi by a known ISG from the interferon response. The function and mechanism of the interferon-regulated antiviral responses have been extensively characterized. Recent studies have demonstrated induction of antiviral RNA interference (RNAi) in somatic cells against several mammalian RNA viruses rendered incapable of RNAi suppression. However, little is known about Dicer-mediated production of virus-derived small-interfering RNAs (vsiRNAs) in these cells active in the type I interferon response. Here we show that the dsRNA precursors of influenza vsiRNAs were processed more efficiently than cellular precursor microRNA hairpins by wild-type human Dicer expressed de novo in Dicer-knockout somatic cells. We found that infection of two strains of suckling mice with wild-type Nodamura virus (NoV) was associated with production of silencing-active vsiRNAs and direct sequestration of duplex vsiRNAs by its RNAi suppressor protein B2. Our findings from in vivo infection with Sindbis virus recombinants expressing NoV B2 or carrying a vsiRNA-targeted insert provide evidence for an antiviral function of the induced RNAi response. Interestingly, NoV infection induces expression of RIG-I-like receptor LGP2 to inhibit vsiRNA biogenesis and promote virulent infection in suckling mice. Our findings together reveal efficient Dicer processing of vsiRNA precursors in interferon-competent somatic cells and suckling mice in contrast to synthetic long dsRNA examined previously by in vitro dicing.
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Affiliation(s)
- Yuqiang Zhang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
| | - Yan Xu
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
| | - Yunpeng Dai
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
| | - Zhe Li
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
| | - Jiaxing Wang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
| | - Zhi Ye
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
| | - Yanxin Ren
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
| | - Hua Wang
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
| | - Wan-xiang Li
- Department of Microbiology & Plant Pathology, University of California, Riverside, California, United States of America
| | - Jinfeng Lu
- Department of Microbiology & Plant Pathology, University of California, Riverside, California, United States of America
- * E-mail: (LJ); (S-WD); (YL)
| | - Shou-Wei Ding
- Department of Microbiology & Plant Pathology, University of California, Riverside, California, United States of America
- * E-mail: (LJ); (S-WD); (YL)
| | - Yang Li
- State Key Laboratory of Genetic Engineering, School of Life Sciences, Fudan University, Shanghai, China
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
- * E-mail: (LJ); (S-WD); (YL)
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Milenkovic D, Ruskovska T, Rodriguez-Mateos A, Heiss C. Polyphenols Could Prevent SARS-CoV-2 Infection by Modulating the Expression of miRNAs in the Host Cells. Aging Dis 2021; 12:1169-1182. [PMID: 34341700 PMCID: PMC8279534 DOI: 10.14336/ad.2021.0223] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 02/23/2021] [Indexed: 12/19/2022] Open
Abstract
Coronaviruses (CoVs) are single-stranded RNA viruses which following virus attachment and entry into the host cell, particularly type 2 pneumocytes but also endothelial cells, release RNA into cytosol where it serves as a matrix for the host translation machinery to produce viral proteins. The viral RNA in cytoplasm can interact with host cell microRNAs which can degrade viral RNA and/or prevent viral replication. As such host cellular miRNAs represent key cellular mediators of antiviral defense. Polyphenols, plant food bioactives, exert antiviral properties, which is partially due to their capacity to modulate the expression of miRNAs. The objective of this work was to assess if polyphenols can play a role in prevention of SARS-CoV-2 associated complications by modulating the expression of host miRNAs. To test this hypothesis, we performed literature search to identify miRNAs that could bind SARS-CoV-2 RNA as well as miRNAs which expression can be modulated by polyphenols in lung, type 2 pneumocytes or endothelial cells. We identified over 600 miRNAs that have capacity to bind viral RNA and 125 miRNAs which expression can be modulated by polyphenols in the cells of interest. We identified that there are 17 miRNAs with both the capacity to bind viral RNA and which expression can be modulated by polyphenols. Some of these miRNAs have been identified as having antiviral properties or can target genes involved in regulation of processes of viral replication, apoptosis or viral infection. Taken together this analysis suggests that polyphenols could modulate expression of miRNAs in alveolar and endothelial cells and exert antiviral capacity.
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Affiliation(s)
- Dragan Milenkovic
- Université Clermont Auvergne, INRAE, UNH, F-63000 Clermont-Ferrand, France.
- Department of Internal Medicine, Division of Cardiovascular Medicine, School of Medicine, University of California Davis, Davis, CA 95616, USA.
| | - Tatjana Ruskovska
- Faculty of Medical Sciences, Goce Delcev University, Stip, North Macedonia.
| | | | - Christian Heiss
- Department of Nutritional Sciences, School of Life Course Sciences, Faculty of Life Science and Medicine, King's College London, London, UK.
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microRNA Heterogeneity, Innate-Immune Defense and the Efficacy of SARS-CoV-2 Infection-A Commentary. Noncoding RNA 2021; 7:ncrna7020037. [PMID: 34207055 PMCID: PMC8293307 DOI: 10.3390/ncrna7020037] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/07/2021] [Accepted: 06/13/2021] [Indexed: 12/12/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), a member of the genus Betacoronavirus in the family Coronaviridae, possesses an unusually large single-stranded viral RNA (ssvRNA) genome of about ~29,811 nucleotides (nt) that causes severe and acute respiratory distress and a highly lethal viral pneumonia known as COVID-19. COVID-19 also presents with multiple ancillary systemic diseases and often involves cardiovascular, inflammatory, and/or neurological complications. Pathological viral genomes consisting of ssvRNA, like cellular messenger RNA (mRNA), are susceptible to attack, destruction, neutralization, and/or modulation by naturally occurring small non-coding RNAs (sncRNAs) within the host cell, some of which are known as microRNAs (miRNAs). This paper proposes that the actions of the 2650 known human miRNAs and other sncRNAs form the basis for an under-recognized and unappreciated innate-immune regulator of ssvRNA viral genome activities and have implications for the efficiency of SARS-CoV-2 invasion, infection, and replication. Recent research indicates that both miRNA and mRNA abundance, speciation, and complexity varies widely amongst human individuals, and this may: (i) In part explain the variability in the innate-immune immunological and pathophysiological response of different human individuals to the initiation and progression of SARS-CoV-2 infection in multiple tissue types; and (ii) further support our understanding of human biochemical and genetic individuality and the variable resistance of individuals to ssvRNA-mediated viral infection and disease. This commentary will briefly address current findings and concepts in this fascinating research area of non-coding RNA and innate-immunity with special reference to natural host miRNAs, SARS-CoV-2, and the current COVID-19 pandemic.
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Enhancing microbial management and shelf life of shrimp Penaeus vannamei by using nanoparticles of metallic oxides as an alternate active packaging tool to synthetic chemicals. Food Packag Shelf Life 2021. [DOI: 10.1016/j.fpsl.2021.100652] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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29
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Yang Z, Zhuo Q, Qin W, Wang J, Wang L, Tien P. MicroRNAs miR-18a and miR-452 regulate the replication of enterovirus 71 by targeting the gene encoding VP3. Virus Genes 2021; 57:318-326. [PMID: 34002325 DOI: 10.1007/s11262-021-01842-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 05/05/2021] [Indexed: 11/29/2022]
Abstract
MicroRNAs (miRNAs) are crucial in the process of host-pathogen interaction. In this study, we established a screening system for miRNAs of target genes to detect the effect of miRNAs on Enterovirus 71 (EV71) replication in rhabdomyosarcoma (RD) cells. A 3'-untranslated region (UTR) dual-luciferase assay was performed to confirm putative miRNA targets in EV71 genome. Firstly, 13 fragments of EV71 genome were inserted into the vector pMIR, and luciferase activities were analyzed to identify the putative miRNAs of target genes. The expression of the reporter protein was significantly downregulated in cells transfected with the vector containing gene VP3. Then we screened for miRNAs that might target to VP3 through online analysis software. In addition, Western blot, real-time PCR, virus titration, and morphological changes were considered to examine the effects of miRNAs on virus replication. The results suggested that miR-18a and miR-452 repress the reproduction of EV71 virus by binding to VP3. Moreover, EV71 infection also affected the expression of endogenous miR-18a and miR-452. In addition, no significant cytotoxic effects were observed. The results from this study suggest that the intracellular miRNAs may play vital roles in the host-virus interaction.
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Affiliation(s)
- Zhuo Yang
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, 100050, China.
| | - Qin Zhuo
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, 100050, China
| | - Wen Qin
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, 100050, China
| | - Jingbo Wang
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, 100050, China
| | - Liyuan Wang
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, Beijing, 100050, China
| | - Po Tien
- Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
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Shi Y, Shi Q, Shen Q, Zhang Q, Cao X. Dicer-independent snRNA/snoRNA-derived nuclear RNA 3 regulates tumor-associated macrophage function by epigenetically repressing inducible nitric oxide synthase transcription. Cancer Commun (Lond) 2021; 41:140-153. [PMID: 33455092 PMCID: PMC7896748 DOI: 10.1002/cac2.12131] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 11/24/2020] [Accepted: 11/26/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Small RNAs (sRNAs) extensively mediate gene-specific chromatin regulation in lower organisms. As a dominant type of functional sRNAs in mature mammals, microRNAs mainly regulate gene expression at post-transcription level in the cytoplasm. Currently, whether there exists a type of nuclear-localized sRNAs mediating gene-specific epigenetic regulation in mature mammalian cells remains largely unclear. Here, we profiled sRNAs enriched in the nucleus and investigated their function in mediating gene-specific epigenetic regulation in anti-tumor immunity. METHODS We established cytoplasmic and nuclear transcriptomes of sRNAs of dendritic cells (DCs) using high-throughput sequencing. Transcription abundances of sRNAs and mRNAs were analyzed by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) assay. The associations between sRNAs and Argonaute (AGO) proteins were detected by RNA immunoprecipitation analysis. Synthesized sRNAs and locked nucleic acid (LNA) -modified sRNA inhibitors were used to screen the function of sRNAs in innate immune cells. The effect of sRNA on the enrichment of either chromatin remodeler or histone modification at the gene promoter was analyzed by chromatin immunoprecipitation (ChIP)-qPCR assay. Chromatin accessibility qPCR assay was used to detect the accessibility of gene promoters. A B16 melanoma-bearing mouse model was established to determine the function of sRNAs in tumor-associated macrophages (TAMs) and their effect on tumor growth. RESULTS We identified a new class of nucleus-localized sRNAs, named snRNA/snoRNA-derived nuclear RNAs (sdnRNAs). Some sdnRNAs were Dicer-independent and had no association with Argonaute proteins. sdnRNA-3, the most abundant Dicer-independent sdnRNAs identified in our analysis, was selected as a representative to examine the biological function of sdnRNAs. sdnRNA-3 selectively inhibited the transcription of Nos2 in macrophages during innate immune response by repressing the chromatin accessibility at Nos2 gene promoter. sdnRNA-3 promoted the enrichments of repressive chromatin-remodeling regulator Mi-2β and the repressive histone modification H3K27me3 at Nos2 gene promoter. In the B16 melanoma mouse model, we found higher expression of sdnRNA-3 in M2 TAMs than M1 TAMs and DCs. Transfer of sdnRNA-3-silenced macrophages inhibited tumor growth with increased expression of inducible nitric oxide synthase (iNOS) in TAMs. CONCLUSIONS Our results demonstrated that the sdnRNA-3 repressed the transcription of Nos2 by repressing chromatin accessibility at the promoter, providing new insights into the regulation of macrophage function in tumor immunity.
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Affiliation(s)
- Yang Shi
- Institute of ImmunologyZhejiang University School of MedicineHangzhouZhejiang310058P. R. China
| | - Qingzhu Shi
- Institute of ImmunologyZhejiang University School of MedicineHangzhouZhejiang310058P. R. China
| | - Qicong Shen
- National Key Laboratory of Medical Immunology & Institute of ImmunologySecond Military Medical UniversityShanghai200433P. R. China
| | - Qian Zhang
- National Key Laboratory of Medical Immunology & Institute of ImmunologySecond Military Medical UniversityShanghai200433P. R. China
| | - Xuetao Cao
- Institute of ImmunologyZhejiang University School of MedicineHangzhouZhejiang310058P. R. China
- National Key Laboratory of Medical Immunology & Institute of ImmunologySecond Military Medical UniversityShanghai200433P. R. China
- Department of ImmunologyInstitute of Basic Medical ResearchChinese Academy of Medical SciencesBeijing100005P. R. China
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Zhu M, Nan Y, Zhai M, Wang M, Shao Y, Blair HT, Morris ST, Kenyon PR, Zhao Z, Zhang H. Comparative profiling of the resistance of different genotypes of mannose-binding lectin to Mycoplasma pneumoniae infection in Chinese Merino sheep based on high-throughput sequencing technology. Vet Immunol Immunopathol 2021; 233:110183. [PMID: 33476923 DOI: 10.1016/j.vetimm.2021.110183] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 12/28/2020] [Accepted: 12/31/2020] [Indexed: 10/22/2022]
Abstract
Mannose-binding lectin (MBL) glycoproteins in blood can selectively recognise lectins on the surface of bacteria, and play an important role in natural immunity. Micro RNAs (miRNAs) are key molecules that regulate gene expression at the post-transcriptional level in vivo, and their pathways are specific and effective. Previous studies indicate that small RNAs such as miRNAs perform regulatory roles in immunology. Herein, we investigated differential expression of miRNAs during MBL protein immunotherapy in sheep following treatment with different MBL genotypes (resistant and susceptible), and identified miRNAs linked to different target genes and pathways. RNA was extracted from liver tissue of resistant and susceptible sheep, miRNAs were identified by high-throughput sequencing, and differentially expressed miRNAs were analysed by SOAP to predict target genes and biological pathways. Results: Some miRNAs (oar-mir-143, oar-mir-10b, oar-mir-382, oar-mir-432 and oar-mir-379) were up-regulated, while others were down-regulated. GPATCH3 and DNAJC5 were predicted target genes of oar-mir-379, DMRT1 and GATA4 were linked to oar-mir-382, and oar-mir-432 was associated with STAT2, DMRT1 and ATG16L1. Identification of miRNAs differentially expressed in resistant and susceptible sheep may expand our understanding of miRNAs in immune regulation, and the role of MBL in innate immunity.
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Affiliation(s)
- Mengting Zhu
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, PR China; State Key Laboratory of Sheep Genetic Improvement and Healthy Production, Xinjiang Academy of Agricultural and Reclamation Science, Shihezi, 832000, PR China
| | - Ying Nan
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, PR China
| | - Mengting Zhai
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, PR China
| | - Mingyuan Wang
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, PR China
| | - Yanyan Shao
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, PR China
| | - Hugh T Blair
- Institute Veterinary, Animal & Biomedical Sciences, Massey University, Auckland, Palmerston North, New Zealand
| | - Stephen Todd Morris
- Institute Veterinary, Animal & Biomedical Sciences, Massey University, Auckland, Palmerston North, New Zealand
| | - Paul Richard Kenyon
- Institute Veterinary, Animal & Biomedical Sciences, Massey University, Auckland, Palmerston North, New Zealand
| | - Zongsheng Zhao
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, PR China.
| | - Hongmei Zhang
- First Affiliated Hospital, School of Medical College, Shihezi University, Shihezi, Xinjiang 832008, PR China.
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Du Y, Kong C. STAT3 regulates miR93-mediated apoptosis through inhibiting DAPK1 in renal cell carcinoma. Cancer Gene Ther 2020; 28:502-513. [PMID: 33230258 DOI: 10.1038/s41417-020-00235-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 09/15/2020] [Accepted: 09/21/2020] [Indexed: 11/10/2022]
Abstract
Signal transducer and activator of transcription 3 (STAT3) is an essential member of the STAT family. STAT3 regulates diverse genes that mediate inflammatory reactions, cell survival, proliferation, and angiogenesis, and it is aberrantly upregulated and activated in various types of malignancies. Furthermore, STAT3 signalling is involved in multiple feedback loops and pathways. In this study, we demonstrate that miR-93-3p plays an oncogenic role in renal cell carcinoma (RCC) by enhancing RCC cell proliferation and suppressing apoptosis. In addition, STAT3 can regulate the transcription of miR-93 by directly binding its promoter region. miR-93 can inhibit death-associated protein kinase 1 (DAPK1) at the protein level. Moreover, STAT3 can block DAPK1 expression at the RNA level. Importantly, we verified that DAPK1 overexpression in turn suppresses the entry of activated STAT3 into the cell nucleus. Thus, this study reveals a potential continuously activated signalling transduction pathway, STAT3-miR93-DAPK1, and may provide a novel clinical therapeutic approach for RCC.
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Affiliation(s)
- Yang Du
- Department of Urology, First Hospital of China Medical University, 110001, Shenyang, China
| | - Chuize Kong
- Department of Urology, First Hospital of China Medical University, 110001, Shenyang, China.
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The emerging role of microRNAs in the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Int Immunopharmacol 2020; 90:107204. [PMID: 33221169 PMCID: PMC7664359 DOI: 10.1016/j.intimp.2020.107204] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 11/10/2020] [Accepted: 11/10/2020] [Indexed: 12/19/2022]
Abstract
The novel coronavirus disease 2019 (COVID-19) pandemic has imposed significant public health problems for the human populations worldwide after the 1918 influenza A virus (IVA) (H1N1) pandemic. Although numerous efforts have been made to unravel the mechanisms underlying the coronavirus, a notable gap remains in our perception of the COVID-19 pathogenesis. The innate and adaptive immune systems have a pivotal role in the fate of viral infections, such as COVID-19 pandemic. MicroRNAs (miRNAs) are known as short noncoding RNA molecules and appear as indispensable governors of almost any cellular means. Several lines of evidence demonstrate that miRNAs participate in essential mechanisms of cell biology, regulation of the immune system, and the onset and progression of numerous types of disorders. The immune responses to viral respiratory infections (VRIs), including influenza virus (IV), respiratory syncytial virus (RSV), and rhinovirus (RV), are correlated with the ectopic expression of miRNAs. Alterations of the miRNA expression in epithelial cells may contribute to the pathogenesis of chronic and acute airway infections. Hence, analyzing the role of these types of nucleotides in antiviral immune responses and the characterization of miRNA target genes might contribute to understanding the mechanisms of the interplay between the host and viruses, and in the future, potentially result in discovering therapeutic strategies for the prevention and treatment of acute COVID-19 infection. In this article, we present a general review of current studies concerning the function of miRNAs in different VRIs, particularly in coronavirus infection, and address all available therapeutic prospects to mitigate the burden of viral infections.
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Comparison of miRNA Expression Profiles between HIV-1 and HIV-2 Infected Monocyte-Derived Macrophages (MDMs) and Peripheral Blood Mononuclear Cells (PBMCs). Int J Mol Sci 2020; 21:ijms21186970. [PMID: 32971935 PMCID: PMC7556008 DOI: 10.3390/ijms21186970] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 09/17/2020] [Accepted: 09/17/2020] [Indexed: 12/13/2022] Open
Abstract
During the progression of HIV-1 infection, macrophage tropic HIV-1 that use the CCR5 co-receptor undergoes a change in co-receptor use to CXCR4 that is predominately T cell tropic. This change in co-receptor preference makes the virus able to infect T cells. HIV-2 is known to infect MDMs and T cells and is dual tropic. The aim of this study was to elucidate the differential expression profiles of host miRNAs and their role in cells infected with HIV-1/HIV-2. To achieve this goal, a comparative global miRNA expression profile was determined in human PBMCs and MDMs infected with HIV-1/HIV-2. Differentially expressed miRNAs were identified in HIV-1/HIV-2 infected PBMCs and MDMs using the next-generation sequencing (NGS) technique. A comparative global miRNA expression profile in infected MDMs and PBMCs with HIV-1 and HIV-2 identified differential expression of several host miRNAs. These differentially expressed miRNAs are likely to be involved in many signaling pathways, like the p53 signaling pathway, PI3K-Akt signaling pathways, MAPK signaling pathways, FoxO signaling pathway, and viral carcinogenesis. Thus, a comparative study of the differential expression of host miRNAs in MDMs and T cell in response to HIV-1 and HIV-2 infection will help us to identify unique biomarkers that can differentiate HIV-1 and HIV-2 infection.
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Effect of Concentrate Supplementation on the Expression Profile of miRNA in the Ovaries of Yak during Non-Breeding Season. Animals (Basel) 2020; 10:ani10091640. [PMID: 32933085 PMCID: PMC7552198 DOI: 10.3390/ani10091640] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/04/2020] [Accepted: 09/07/2020] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Yak (Bos grunniens) is an important and remarkable livestock species that survives in the challenging environment of the Qinghai–Tibetan Plateau. However, its growth rate is slower and reproductive ability is generally lower than cattle. This may be due to the yak living in high altitudes all year round where in the whole year, grasses are only available in July, August, and September (warm season), and from November to the next year of May (cold season), there is a scarcity of pastures. So, the reproductive efficiency of yak is very low. Meanwhile, it has been reported that enhanced nutrition improves the reproductive efficiency of animals. Therefore, this study aimed to explore the effects of supplemental nutrition on the growth traits and reproductive performance of yaks in the cold season. In addition, miRNAs related to yak reproductive traits were screened by miRNA sequencing technology. This research might be helpful for improving the reproductive potential of yak during the non-breeding season. Abstract Yak (Bos grunniens) is an important and remarkable livestock species that survives in the challenging environment of the Qinghai–Tibetan Plateau. However, its growth rate is slower and reproductive potential is generally lower than cattle. Meanwhile, it has been reported that enhanced nutrition improves the reproductive efficiency of animals. The purpose of this study was to investigate the effect of concentrate supplementation on the miRNA expression profile in the ovaries of yak during the non-breeding season. The study displayed that non-breeding season supplementation significantly improved growth performance, serum biochemical indicators, and reproductive hormone concentrations in yaks. In this study, we also examined the differential expression analysis of miRNA in the ovaries of yak during non-breeding seasons using Illumina Hiseq sequencing technology. As a result, 51 differentially expressed miRNAs were found in the experimental group (CS) and control group (CON). Gene Ontology (go) and Kyoto Genome Encyclopedia (KEGG) analysis of target genes showed that beta-alanine metabolism; tryptophan metabolism; sphingolipid metabolism; alanine, aspartate and glutamate metabolism; and the inositol phosphate metabolism pathway attracted our attention. Based on qRT-PCR, seven miRNAs were assessed to verify the accuracy of the library database. We predicted and identified potential miRNA target genes, including LEP, KLF7, VEGFA, GNAQ, GTAT6, and CCND2. miRNA and corresponding target genes may regulate yaks’ seasonal reproduction through their nutritional status. This study will provide an experimental basis for improving the reproductive efficiency of yaks by supplementation in the non-breeding season.
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Chow JTS, Salmena L. Prediction and Analysis of SARS-CoV-2-Targeting MicroRNA in Human Lung Epithelium. Genes (Basel) 2020; 11:E1002. [PMID: 32858958 PMCID: PMC7565861 DOI: 10.3390/genes11091002] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 08/24/2020] [Accepted: 08/24/2020] [Indexed: 12/13/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), an RNA virus, is responsible for the coronavirus disease 2019 (COVID-19) pandemic of 2020. Experimental evidence suggests that microRNA can mediate an intracellular defence mechanism against some RNA viruses. The purpose of this study was to identify microRNA with predicted binding sites in the SARS-CoV-2 genome, compare these to their microRNA expression profiles in lung epithelial tissue and make inference towards possible roles for microRNA in mitigating coronavirus infection. We hypothesize that high expression of specific coronavirus-targeting microRNA in lung epithelia may protect against infection and viral propagation, conversely, low expression may confer susceptibility to infection. We have identified 128 human microRNA with potential to target the SARS-CoV-2 genome, most of which have very low expression in lung epithelia. Six of these 128 microRNA are differentially expressed upon in vitro infection of SARS-CoV-2. Additionally, 28 microRNA also target the SARS-CoV genome while 23 microRNA target the MERS-CoV genome. We also found that a number of microRNA are commonly identified in two other studies. Further research into identifying bona fide coronavirus targeting microRNA will be useful in understanding the importance of microRNA as a cellular defence mechanism against pathogenic coronavirus infections.
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Affiliation(s)
- Jonathan Tak-Sum Chow
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 1A8, Canada;
| | - Leonardo Salmena
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON M5S 1A8, Canada;
- Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 2C4, Canada
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Khan MAAK, Sany MRU, Islam MS, Islam ABMMK. Epigenetic Regulator miRNA Pattern Differences Among SARS-CoV, SARS-CoV-2, and SARS-CoV-2 World-Wide Isolates Delineated the Mystery Behind the Epic Pathogenicity and Distinct Clinical Characteristics of Pandemic COVID-19. Front Genet 2020; 11:765. [PMID: 32765592 PMCID: PMC7381279 DOI: 10.3389/fgene.2020.00765] [Citation(s) in RCA: 122] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 06/29/2020] [Indexed: 12/13/2022] Open
Abstract
A detailed understanding of the molecular mechanism of SARS-CoV-2 pathogenesis is still elusive, and there is a need to address its deadly nature and to design effective therapeutics. Here, we present a study that elucidates the interplay between the SARS-CoV and SARS-CoV-2 viruses' and host's miRNAs, an epigenetic regulator, as a mode of pathogenesis; and we explored how the SARS-CoV and SARS-CoV-2 infections differ in terms of their miRNA-mediated interactions with the host and the implications this has in terms of disease complexity. We have utilized computational approaches to predict potential host and viral miRNAs and their possible roles in different important functional pathways. We have identified several putative host antiviral miRNAs that can target the SARS viruses and also predicted SARS viruses-encoded miRNAs targeting host genes. In silico predicted targets were also integrated with SARS-infected human cell microarray and RNA-seq gene expression data. A comparison between the host miRNA binding profiles on 67 different SARS-CoV-2 genomes from 24 different countries with respective country's normalized death count surprisingly uncovered some miRNA clusters, which are associated with increased death rates. We have found that induced cellular miRNAs can be both a boon and a bane to the host immunity, as they have possible roles in neutralizing the viral threat; conversely, they can also function as proviral factors. On the other hand, from over representation analysis, our study revealed that although both SARS-CoV and SARS-CoV-2 viral miRNAs could target broad immune-signaling pathways; only some of the SARS-CoV-2 miRNAs are found to uniquely target some immune-signaling pathways, such as autophagy, IFN-I signaling, etc., which might suggest their immune-escape mechanisms for prolonged latency inside some hosts without any symptoms of COVID-19. Furthermore, SARS-CoV-2 can modulate several important cellular pathways that might lead to the increased anomalies in patients with comorbidities like cardiovascular diseases, diabetes, breathing complications, etc. This might suggest that miRNAs can be a key epigenetic modulator behind the overcomplications amongst the COVID-19 patients. Our results support that miRNAs of host and SARS-CoV-2 can indeed play a role in the pathogenesis which can be further concluded with more experiments. These results will also be useful in designing RNA therapeutics to alleviate the complications from COVID-19.
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Affiliation(s)
| | - Md Rabi Us Sany
- Department of Genetic Engineering & Biotechnology, University of Dhaka, Dhaka, Bangladesh
| | - Md Shafiqul Islam
- Department of Genetic Engineering & Biotechnology, University of Dhaka, Dhaka, Bangladesh
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Wu N, Yang B, Wen B, Wang T, Guo J, Qi X, Wang J. Interactions Among Expressed MicroRNAs and mRNAs in the Early Stages of Fowl Adenovirus Aerotype 4-Infected Leghorn Male Hepatocellular Cells. Front Microbiol 2020; 11:831. [PMID: 32508763 PMCID: PMC7248314 DOI: 10.3389/fmicb.2020.00831] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 04/07/2020] [Indexed: 01/04/2023] Open
Abstract
Hydropericardium-hepatitis syndrome (HHS) is caused by some strains of fowl adenovirus serotype 4 (FAdV-4). However, the mechanism of FAdV-4 entry is not well understood. Therefore, to investigate the changes in host cellular response at the early stage of FAdV-4 infection, a conjoint analysis of miRNA-seq and mRNA-seq was utilized with leghorn male hepatocellular (LMH) cells at 30, 60, and 120 min after FAdV-4 infection. In total, we identified 785 differentially expressed (DE) miRNAs and 725 DE mRNAs in FAdV-4-infected LMH cells. Most miRNAs and mRNAs, including gga-miR-148a-3p, gga-miR-148a-5p, gga-miR-15c-3p, CRK, SOCS3, and EGR1, have not previously been reported to be associated with FAdV-4 infection. The conjoint analysis of the obtained data identified 856 miRNA–mRNA pairs at three time points. The interaction network analysis showed that gga-miR-128-2-5p, gga-miR-7475-5p, novel_miR205, and TCF7L1 were located in the core of the network. Furthermore, the relationship between gga-miR-128-2-5p and its target OBSL1 was confirmed using a dual-luciferase reporter system and a real-time quantitative polymerase chain reaction assay. In vitro experiments revealed that both gga-miR-128-2-5p overexpression and OBSL1 loss of function inhibited FAdV-4 entry. These results suggested that gga-miR-128-2-5p plays an important role in FAdV-4 entry by targeting OBSL1. To the best of our knowledge, the present study is the first to analyze host miRNA and mRNA expression at the early stage of FAdV-4 infection; furthermore, the results of this study help to elucidate the molecular mechanisms of FAdV-4 entry.
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Affiliation(s)
- Ning Wu
- College of Veterinary Medicine, Northwest A&F University, Xianyang, China
| | - Bo Yang
- Shanxi Academy of Advanced Research and Innovation, Taiyuan, China
| | - Bo Wen
- College of Veterinary Medicine, Northwest A&F University, Xianyang, China
| | - Ting Wang
- College of Veterinary Medicine, Northwest A&F University, Xianyang, China
| | - Jiaona Guo
- College of Veterinary Medicine, Northwest A&F University, Xianyang, China
| | - Xuefeng Qi
- College of Veterinary Medicine, Northwest A&F University, Xianyang, China
| | - Jingyu Wang
- College of Veterinary Medicine, Northwest A&F University, Xianyang, China
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High-Throughput Fluorescence-Based Screen Identifies the Neuronal MicroRNA miR-124 as a Positive Regulator of Alphavirus Infection. J Virol 2020; 94:JVI.02145-19. [PMID: 32102877 DOI: 10.1128/jvi.02145-19] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 02/16/2020] [Indexed: 12/12/2022] Open
Abstract
MicroRNAs (miRNAs) are small regulatory RNAs which act by modulating the expression of target genes. In addition to their role in maintaining essential physiological functions in the cell, miRNAs can also regulate viral infections. They can do so directly by targeting RNAs of viral origin or indirectly by targeting host mRNAs, and this can result in a positive or negative outcome for the virus. Here, we performed a fluorescence-based miRNA genome-wide screen in order to identify cellular miRNAs involved in the regulation of arbovirus infection in human cells. We identified 16 miRNAs showing a positive effect on Sindbis virus (SINV) expressing green fluorescent protein (GFP), among which were a number of neuron-specific ones such as miR-124. We confirmed that overexpression of miR-124 increases both SINV structural protein translation and viral production and that this effect is mediated by its seed sequence. We further demonstrated that the SINV genome possesses a binding site for miR-124. Both inhibition of miR-124 and silent mutations to disrupt this binding site in the viral RNA abolished positive regulation. We also proved that miR-124 inhibition reduces SINV infection in human differentiated neuronal cells. Finally, we showed that the proviral effect of miR-124 is conserved in other alphaviruses, as its inhibition reduces chikungunya virus (CHIKV) production in human cells. Altogether, our work expands the panel of positive regulation of the viral cycle by direct binding of host miRNAs to the viral RNA and provides new insights into the role of cellular miRNAs as regulators of alphavirus infection.IMPORTANCE Arthropod-borne (arbo) viruses are part of a class of pathogens that are transmitted to their final hosts by insects. Because of climate change, the habitat of some of these insects, such as mosquitoes, is shifting, thereby facilitating the emergence of viral epidemics. Among the pathologies associated with arbovirus infection, neurological diseases such as meningitis and encephalitis represent a significant health burden. Using a genome-wide miRNA screen, we identified neuronal miR-124 as a positive regulator of the Sindbis and chikungunya alphaviruses. We also showed that this effect was in part direct, thereby opening novel avenues to treat alphavirus infections.
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40
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Liu H, Yang L, Shi Z, Lv R, Yang X, Wang C, Chen L, Chang H. Functional analysis of prv-miR-LLT11a encoded by pseudorabies virus. J Vet Sci 2020; 20:e68. [PMID: 31775195 PMCID: PMC6883196 DOI: 10.4142/jvs.2019.20.e68] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 08/12/2019] [Accepted: 09/24/2019] [Indexed: 01/31/2023] Open
Abstract
Viral-encoded microRNAs (miRNAs) have vital roles in the regulation of virus replications and host immune responses. The results of previous studies have indicated that miRNA clusters are involved in the replication and virulence of the pseudorabies virus (PRV), which may potentially lead to immune escape or facilitation of PRV replication. This study's previous research revealed that prv-miR-LLT11a was differentially expressed during PRV infection. The present study's results have demonstrated that prv-miR-LLT11a could significantly inhibit PRV replication. It was further determined that SLA-1 was the target gene of prv-miR-LLT11a, and simultaneously, that overexpression of prv-miR-LLT11a could downregulate the mRNA and protein levels of SLA-1 in a dose-independent manner. Furthermore, the present study also observed that prv-miR-LLT11a can downregulate TAP1 expression. Our findings provide a better understanding of the molecular mechanism involved in the effects of prv-miR-LLT11a on SLA-1 and TAP1 as well as its involvement in immune system evasion of PRV.
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Affiliation(s)
- Huimin Liu
- College of Life Science, Henan Agricultural University, Zhengzhou, Henan, China
| | - Li Yang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan, China
| | - Zhibin Shi
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan, China
| | - Ruiqi Lv
- College of Life Science, Henan Agricultural University, Zhengzhou, Henan, China
| | - Xia Yang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan, China
| | - Chuanqing Wang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan, China
| | - Lu Chen
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan, China.
| | - Hongtao Chang
- College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou, Henan, China.
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41
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Adiliaghdam F, Basavappa M, Saunders TL, Harjanto D, Prior JT, Cronkite DA, Papavasiliou N, Jeffrey KL. A Requirement for Argonaute 4 in Mammalian Antiviral Defense. Cell Rep 2020; 30:1690-1701.e4. [PMID: 32049003 PMCID: PMC7039342 DOI: 10.1016/j.celrep.2020.01.021] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 09/09/2019] [Accepted: 01/06/2020] [Indexed: 01/07/2023] Open
Abstract
While interferon (IFN) responses are critical for mammalian antiviral defense, induction of antiviral RNA interference (RNAi) is evident. To date, individual functions of the mammalian RNAi and micro RNA (miRNA) effector proteins Argonautes 1-4 (AGO1-AGO4) during virus infection remain undetermined. AGO2 was recently implicated in mammalian antiviral defense, so we examined antiviral activity of AGO1, AGO3, or AGO4 in IFN-competent immune cells. Only AGO4-deficient cells are hyper-susceptible to virus infection. AGO4 antiviral function is both IFN dependent and IFN independent, since AGO4 promotes IFN but also maintains antiviral capacity following prevention of IFN signaling or production. We identified AGO-loaded virus-derived short interfering RNAs (vsiRNAs), a molecular marker of antiviral RNAi, in macrophages infected with influenza or influenza lacking the IFN and RNAi suppressor NS1, which are uniquely diminished without AGO4. Importantly, AGO4-deficient influenza-infected mice have significantly higher burden and viral titers in vivo. Together, our data assign an essential role for AGO4 in mammalian antiviral defense.
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Affiliation(s)
- Fatemeh Adiliaghdam
- Division of Gastroenterology and Center for the Study of Inflammatory Bowel Disease, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Megha Basavappa
- Division of Gastroenterology and Center for the Study of Inflammatory Bowel Disease, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Tahnee L Saunders
- Division of Gastroenterology and Center for the Study of Inflammatory Bowel Disease, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Dewi Harjanto
- Division of Immune Diversity, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - John T Prior
- Division of Gastroenterology and Center for the Study of Inflammatory Bowel Disease, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - D Alexander Cronkite
- Division of Gastroenterology and Center for the Study of Inflammatory Bowel Disease, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA
| | - Nina Papavasiliou
- Division of Immune Diversity, German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69120 Heidelberg, Germany
| | - Kate L Jeffrey
- Division of Gastroenterology and Center for the Study of Inflammatory Bowel Disease, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA.
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42
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Wright CB, Uehara H, Kim Y, Yasuma T, Yasuma R, Hirahara S, Makin RD, Apicella I, Pereira F, Nagasaka Y, Narendran S, Fukuda S, Albuquerque R, Fowler BJ, Bastos-Carvalho A, Georgel P, Hatada I, Chang B, Kerur N, Ambati BK, Ambati J, Gelfand BD. Chronic Dicer1 deficiency promotes atrophic and neovascular outer retinal pathologies in mice. Proc Natl Acad Sci U S A 2020; 117:2579-2587. [PMID: 31964819 PMCID: PMC7007521 DOI: 10.1073/pnas.1909761117] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Degeneration of the retinal pigmented epithelium (RPE) and aberrant blood vessel growth in the eye are advanced-stage processes in blinding diseases such as age-related macular degeneration (AMD), which affect hundreds of millions of people worldwide. Loss of the RNase DICER1, an essential factor in micro-RNA biogenesis, is implicated in RPE atrophy. However, the functional implications of DICER1 loss in choroidal and retinal neovascularization are unknown. Here, we report that two independent hypomorphic mouse strains, as well as a separate model of postnatal RPE-specific DICER1 ablation, all presented with spontaneous RPE degeneration and choroidal and retinal neovascularization. DICER1 hypomorphic mice lacking critical inflammasome components or the innate immune adaptor MyD88 developed less severe RPE atrophy and pathological neovascularization. DICER1 abundance was also reduced in retinas of the JR5558 mouse model of spontaneous choroidal neovascularization. Finally, adenoassociated vector-mediated gene delivery of a truncated DICER1 variant (OptiDicer) reduced spontaneous choroidal neovascularization in JR5558 mice. Collectively, these findings significantly expand the repertoire of DICER1 in preserving retinal homeostasis by preventing both RPE degeneration and pathological neovascularization.
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Affiliation(s)
- Charles B Wright
- Department of Ophthalmology and Visual Sciences, University of Kentucky, Lexington, KY 40506
| | - Hironori Uehara
- Department of Ophthalmology, Loma Linda University, Loma Linda, CA 92350
| | - Younghee Kim
- Center for Advanced Vision Science, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Ophthalmology, University of Virginia School of Medicine, Charlottesville, VA 22903
| | - Tetsuhiro Yasuma
- Department of Ophthalmology and Visual Sciences, University of Kentucky, Lexington, KY 40506
| | - Reo Yasuma
- Center for Advanced Vision Science, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Ophthalmology, University of Virginia School of Medicine, Charlottesville, VA 22903
| | - Shuichiro Hirahara
- Center for Advanced Vision Science, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Ophthalmology, University of Virginia School of Medicine, Charlottesville, VA 22903
| | - Ryan D Makin
- Center for Advanced Vision Science, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Ophthalmology, University of Virginia School of Medicine, Charlottesville, VA 22903
- Molecular and Cellular Basis of Disease Graduate Program, University of Virginia School of Medicine, Charlottesville, VA 22903
| | - Ivana Apicella
- Center for Advanced Vision Science, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Ophthalmology, University of Virginia School of Medicine, Charlottesville, VA 22903
| | - Felipe Pereira
- Center for Advanced Vision Science, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Ophthalmology, University of Virginia School of Medicine, Charlottesville, VA 22903
- Departamento de Oftalmologia e Ciências Visuais, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo 04039-032, Brazil
| | - Yosuke Nagasaka
- Center for Advanced Vision Science, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Ophthalmology, University of Virginia School of Medicine, Charlottesville, VA 22903
| | - Siddharth Narendran
- Center for Advanced Vision Science, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Ophthalmology, University of Virginia School of Medicine, Charlottesville, VA 22903
- Aravind Medical Research Foundation, Aravind Eye Care System, Madurai, Tamil Nadu 625020, India
| | - Shinichi Fukuda
- Center for Advanced Vision Science, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Ophthalmology, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Ophthalmology, University of Tsukuba, Ibaraki 305-8575, Japan
| | - Romulo Albuquerque
- Department of Ophthalmology and Visual Sciences, University of Kentucky, Lexington, KY 40506
| | - Benjamin J Fowler
- Department of Ophthalmology and Visual Sciences, University of Kentucky, Lexington, KY 40506
| | - Ana Bastos-Carvalho
- Department of Ophthalmology and Visual Sciences, University of Kentucky, Lexington, KY 40506
| | - Philippe Georgel
- Laboratoire d'ImmunoRhumatologie Moléculaire, INSERM UMR-S1109, LabEx Transplantex, Fédération de Médecine Translationnelle de Strasbourg, Université de Strasbourg, 67085 Strasbourg, France
- Fédération Hospitalo-Universitaire OMICARE, Université de Strasbourg, 67085 Strasbourg, France
| | - Izuho Hatada
- Laboratory of Genome Science, Biosignal Genome Resource Center, Institute for Molecular and Cellular Regulation, Gunma University, Maebashi 371-8512, Japan
| | - Bo Chang
- The Jackson Laboratory, Bar Harbor, ME 04609
| | - Nagaraj Kerur
- Center for Advanced Vision Science, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Ophthalmology, University of Virginia School of Medicine, Charlottesville, VA 22903
| | | | - Jayakrishna Ambati
- Center for Advanced Vision Science, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Ophthalmology, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Pathology, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia School of Medicine, Charlottesville, VA 22903
| | - Bradley D Gelfand
- Center for Advanced Vision Science, University of Virginia School of Medicine, Charlottesville, VA 22903;
- Department of Ophthalmology, University of Virginia School of Medicine, Charlottesville, VA 22903
- Department of Biomedical Engineering, University of Virginia School of Engineering, Charlottesville, VA 22904
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43
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Wong RR, Abd-Aziz N, Affendi S, Poh CL. Role of microRNAs in antiviral responses to dengue infection. J Biomed Sci 2020; 27:4. [PMID: 31898495 PMCID: PMC6941309 DOI: 10.1186/s12929-019-0614-x] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 12/29/2019] [Indexed: 12/13/2022] Open
Abstract
Dengue virus (DENV) is the etiological agent of dengue fever. Severe dengue could be fatal and there is currently no effective antiviral agent or vaccine. The only licensed vaccine, Dengvaxia, has low efficacy against serotypes 1 and 2. Cellular miRNAs are post-transcriptional regulators that could play a role in direct regulation of viral genes. Host miRNA expressions could either promote or repress viral replications. Induction of some cellular miRNAs could help the virus to evade the host immune response by suppressing the IFN-α/β signaling pathway while others could upregulate IFN-α/β production and inhibit the viral infection. Understanding miRNA expressions and functions during dengue infections would provide insights into the development of miRNA-based therapeutics which could be strategized to act either as miRNA antagonists or miRNA mimics. The known mechanisms of how miRNAs impact DENV replication are diverse. They could suppress DENV multiplication by directly binding to the viral genome, resulting in translational repression. Other miRNA actions include modulation of host factors. In addition, miRNAs that could modulate immunopathogenesis are discussed. Major hurdles lie in the development of chemical modifications and delivery systems for in vivo delivery. Nevertheless, advancement in miRNA formulations and delivery systems hold great promise for the therapeutic potential of miRNA-based therapy, as supported by Miravirsen for treatment of Hepatitis C infection which has successfully completed phase II clinical trial.
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Affiliation(s)
- Rui Rui Wong
- Centre for Virus and Vaccine Research (CVVR), Sunway University, 47500, Subang Jaya, Selangor, Malaysia
| | - Noraini Abd-Aziz
- Centre for Virus and Vaccine Research (CVVR), Sunway University, 47500, Subang Jaya, Selangor, Malaysia
| | - Sarah Affendi
- Centre for Virus and Vaccine Research (CVVR), Sunway University, 47500, Subang Jaya, Selangor, Malaysia
| | - Chit Laa Poh
- Centre for Virus and Vaccine Research (CVVR), Sunway University, 47500, Subang Jaya, Selangor, Malaysia.
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44
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Taka S, Tzani-Tzanopoulou P, Wanstall H, Papadopoulos NG. MicroRNAs in Asthma and Respiratory Infections: Identifying Common Pathways. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2020; 12:4-23. [PMID: 31743961 PMCID: PMC6875476 DOI: 10.4168/aair.2020.12.1.4] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 07/15/2019] [Accepted: 07/16/2019] [Indexed: 12/27/2022]
Abstract
MicroRNAs (miRs) are single-stranded RNAs of 18-25 nucleotides. These molecules regulate gene expression at the post-transcriptional level; several of these are differentially expressed in asthma as well as in viral acute respiratory infections (ARIs), the main triggers of acute asthma exacerbations. In recent years, miRs have been studied in order to discover drug targets as well as biomarkers for diagnosis, disease severity and prognosis. We describe recent findings on miR expression and function in asthma and their role in the regulation of viral ARIs, according to cell tissue specificity and asthma severity. By combining the above information, we identify miRs that may be important in virus-induced asthma exacerbations. This is the first attempt to link miR profiles of asthmatic patients and ARI-induced miRs, addressing the question of whether there might be a specific miR deficit in asthmatic subjects that make them more susceptible and/or reactive to infection.
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Affiliation(s)
- Styliani Taka
- Allergy and Clinical Immunology Unit, 2nd Pediatric Clinic, National and Kapodistrian University of Athens, Athens, Greece
| | - Panayiota Tzani-Tzanopoulou
- Allergy and Clinical Immunology Unit, 2nd Pediatric Clinic, National and Kapodistrian University of Athens, Athens, Greece
| | - Hannah Wanstall
- Allergy and Clinical Immunology Unit, 2nd Pediatric Clinic, National and Kapodistrian University of Athens, Athens, Greece.,Division of Infection, Inflammation and Respiratory Medicine, University of Manchester, Manchester, United Kingdom
| | - Nikolaos G Papadopoulos
- Allergy and Clinical Immunology Unit, 2nd Pediatric Clinic, National and Kapodistrian University of Athens, Athens, Greece.,Division of Infection, Inflammation and Respiratory Medicine, University of Manchester, Manchester, United Kingdom.
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45
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López P, Girardi E, Pfeffer S. [Importance of cellular microRNAs in the regulation of viral infections]. Med Sci (Paris) 2019; 35:667-673. [PMID: 31532379 DOI: 10.1051/medsci/2019130] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Viruses are obligatory intracellular parasites that rely on a wide range of cellular factors to successfully accomplish their infectious cycle. Among those, micro (mi)RNAs have recently emerged as important modulators of viral infections. These small regulatory molecules act as repressors of gene expression. During infection, miRNAs can function by targeting either cellular or viral RNAs. In this review, we will recapitulate what has been reported to date on this interplay between cellular miRNAs and viruses and the effect on the infection. Furthermore, we will briefly discuss the possibilities of interfering with the infection through the modulation of this pathway to develop novel antiviral therapies.
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Affiliation(s)
- Paula López
- Architecture et Réactivité de l'ARN, Université de Strasbourg, Institut de Biologie Moléculaire et Cellulaire du CNRS, 15, rue René Descartes, 67084 Strasbourg, France
| | - Erika Girardi
- Architecture et Réactivité de l'ARN, Université de Strasbourg, Institut de Biologie Moléculaire et Cellulaire du CNRS, 15, rue René Descartes, 67084 Strasbourg, France
| | - Sébastien Pfeffer
- Architecture et Réactivité de l'ARN, Université de Strasbourg, Institut de Biologie Moléculaire et Cellulaire du CNRS, 15, rue René Descartes, 67084 Strasbourg, France
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46
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Karamipour N, Fathipour Y, Talebi AA, Asgari S, Mehrabadi M. The microRNA pathway is involved in Spodoptera frugiperda (Sf9) cells antiviral immune defense against Autographa californica multiple nucleopolyhedrovirus infection. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2019; 112:103202. [PMID: 31422153 DOI: 10.1016/j.ibmb.2019.103202] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 07/15/2019] [Accepted: 07/15/2019] [Indexed: 06/10/2023]
Abstract
The microRNA (miRNA) pathway is an epigenetic mechanism that plays important roles in various biological processes including host-virus interactions by regulating gene expression of the host and/or the virus. Previously, we showed that the cellular microRNAome in Spodoptera frugiperda (Sf9) cells is modulated following Autographa californica multiple nucleopolyhedrovirus (AcMNPV) infection suggesting that miRNAs may contribute in the cellular antiviral immunity. Here, we investigated the role of core components of the miRNA pathway in Sf9-AcMNPV interaction. Gene expression analyses showed that the expression levels of Dicer-1 (Dcr1), Argonaute-1 (Ago1) and Exportin-5 (Exp5) increased following AcMNPV infection particularly at 16 h post infection (hpi). Ran expression levels, however, decreased in response to virus infection. The expression levels of cellular miRNAs, miR-184 and let-7, also diminished at the post infection times further confirming differential expression of the cellular miRNAs following AcMNPV infection. To determine the role of the miRNA pathway in the interaction, we silenced key genes in the pathway using specific dsRNAs. RNAi of Dcr1, Ago1 and Ran enhanced viral DNA replication and reduced the abundance of miR-184 and let-7 underscoring the importance of the miRNA pathway in antiviral immunity in Sf9 cells. Suppression of the miRNA pathway in mock and infected cells had no effect on Ran expression levels suggesting miRNA-independent downregulation of this gene after virus infection. In conclusion, our results suggest the antiviral role of the miRNA pathway in Sf9 cells against AcMNPV. To modulate this immune response, AcMNPV represses host miRNAs likely through downregulation of Ran to enhance its replication in the host cells.
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Affiliation(s)
- Naeime Karamipour
- Department of Entomology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Yaghoub Fathipour
- Department of Entomology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Ali Asghar Talebi
- Department of Entomology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Sassan Asgari
- Australian Infectious Disease Research Centre, School of Biological Sciences, The University of Queensland, Brisbane, QLD, Australia
| | - Mohammad Mehrabadi
- Department of Entomology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
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47
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Chen Y, Liu W, Xu H, Liu J, Deng Y, Cheng H, Zhu S, Pei Y, Hu J, Hu Z, Liu X, Wang X, Gu M, Hu S, Liu X. MicroRNA Expression Profiling in Newcastle Disease Virus-Infected DF-1 Cells by Deep Sequencing. Front Microbiol 2019; 10:1659. [PMID: 31396181 PMCID: PMC6663980 DOI: 10.3389/fmicb.2019.01659] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Accepted: 07/04/2019] [Indexed: 12/11/2022] Open
Abstract
Newcastle disease virus (NDV), causative agent of Newcastle disease (ND), is one of the most devastating pathogens for poultry industry worldwide. MicroRNAs (miRNAs) are non-coding RNAs that regulate gene expression by regulating mRNA translation efficiency or mRNA abundance through binding to mRNA directly. Accumulating evidence has revealed that cellular miRNAs can also affect virus replication by controlling host-virus interaction. To identify miRNA expression profile and explore the roles of miRNA during NDV replication, in this study, small RNA deep sequencing was performed of non-inoculated DF-1 cells (chicken embryo fibroblast cell line) and JS 5/05-infected cells collected at 6 and 12 h post infection (hereafter called mock' NDV-6 h, and NDV-12 h groups respectively). A total of 73 miRNAs of NDV-6 h group and 64miRNAs of NDV-12 h group were significantly differentially expressed (SDE) when compared with those in mock group. Meanwhile, 50 SDE miRNAs, including 48 up- and 2 down-regulated, showed the same expression patterns in NDV-6 h and NDV-12 h groups. qRT-PCR validation of 15 selected miRNAs' expression patterns was consistent with deep sequencing. To investigate the role of these SDE miRNAs in NDV replication, miRNA mimics and inhibitors were transfected into DF-1 cells followed by NDV infection. The results revealed that gga-miR-451 and gga-miR-199-5p promoted NDV replication while gga-miR-19b-3p and gga-miR-29a-3p inhibited NDV replication. Further function research demonstrated gga-miR-451 suppressed NDV-induced inflammatory response via targeting YWHAZ (tyrosine3-monooxygenase/tryptophan5-monooxygenase activation protein zeta). Overall, our study presented a global miRNA expression profile in DF-1 cells in response to NDV infection and verified the roles of some SDE miRNAs in NDV replication which will underpin further studies of miRNAs' roles between the host and the virus.
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Affiliation(s)
- Yu Chen
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Wen Liu
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Haixu Xu
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Jingjing Liu
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Yonghuan Deng
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Hao Cheng
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Shanshan Zhu
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Yuru Pei
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Jiao Hu
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Zenglei Hu
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Xiaowen Liu
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Xiaoquan Wang
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Min Gu
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Zoonosis, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Shunlin Hu
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Xiufan Liu
- Animal Infectious Disease Laboratory, College of Veterinary Medicine, Yangzhou University, Yangzhou, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, College of Veterinary Medicine, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Zoonosis, College of Veterinary Medicine, Yangzhou University, Yangzhou, China
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48
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Hussein HAM, Alfhili MA, Pakala P, Simon S, Hussain J, McCubrey JA, Akula SM. miRNAs and their roles in KSHV pathogenesis. Virus Res 2019; 266:15-24. [PMID: 30951791 DOI: 10.1016/j.virusres.2019.03.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 03/26/2019] [Accepted: 03/26/2019] [Indexed: 12/12/2022]
Abstract
Kaposi's sarcoma-associated herpesvirus (KSHV) is the etiological agent of Kaposi's sarcoma (KS), primary effusion lymphoma (PEL), and multicentric Castleman Disease (MCD). Recent mechanistic advances have discerned the importance of microRNAs in the virus-host relationship. KSHV has two modes of replication: lytic and latent phase. KSHV entry into permissive cells, establishment of infection, and maintenance of latency are contingent upon successful modulation of the host miRNA transcriptome. Apart from host cell miRNAs, KSHV also encodes viral miRNAs. Among various cellular and molecular targets, miRNAs are appearing to be key players in regulating viral pathogenesis. Therefore, the use of miRNAs as novel therapeutics has gained considerable attention as of late. This innovative approach relies on either mimicking miRNA species by identical oligonucleotides, or selective silencing of miRNA with specific oligonucleotide inhibitors. Here, we provide an overview of KSHV pathogenesis at the molecular level with special emphasis on the various roles miRNAs play during virus infection.
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Affiliation(s)
- Hosni A M Hussein
- Department of Microbiology & Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, United States; Faculty of Science, Al Azhar University, Assiut Branch, Assiut 71524, Egypt
| | - Mohammad A Alfhili
- Department of Medicine (Division of Hematology/Oncology), Brody School of Medicine, East Carolina University, Greenville, NC 27834, United States; Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh 11433, Saudi Arabia
| | - Pranaya Pakala
- Department of Microbiology & Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, United States
| | - Sandra Simon
- Department of Microbiology & Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, United States
| | - Jaffer Hussain
- Department of Internal Medicine, Brody School of Medicine, East Carolina University, Greenville, NC 27834, United States
| | - James A McCubrey
- Department of Microbiology & Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, United States
| | - Shaw M Akula
- Department of Microbiology & Immunology, Brody School of Medicine, East Carolina University, Greenville, NC 27834, United States.
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49
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Watson SF, Knol LI, Witteveldt J, Macias S. Crosstalk Between Mammalian Antiviral Pathways. Noncoding RNA 2019; 5:E29. [PMID: 30909383 PMCID: PMC6468734 DOI: 10.3390/ncrna5010029] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 03/19/2019] [Accepted: 03/20/2019] [Indexed: 12/15/2022] Open
Abstract
As part of their innate immune response against viral infections, mammals activate the expression of type I interferons to prevent viral replication and dissemination. An antiviral RNAi-based response can be also activated in mammals, suggesting that several mechanisms can co-occur in the same cell and that these pathways must interact to enable the best antiviral response. Here, we will review how the classical type I interferon response and the recently described antiviral RNAi pathways interact in mammalian cells. Specifically, we will uncover how the small RNA biogenesis pathway, composed by the nucleases Drosha and Dicer can act as direct antiviral factors, and how the type-I interferon response regulates the function of these. We will also describe how the factors involved in small RNA biogenesis and specific small RNAs impact the activation of the type I interferon response and antiviral activity. With this, we aim to expose the complex and intricate network of interactions between the different antiviral pathways in mammals.
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Affiliation(s)
- Samir F Watson
- Institute of Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3FL, UK.
| | - Lisanne I Knol
- Institute of Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3FL, UK.
| | - Jeroen Witteveldt
- Institute of Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3FL, UK.
| | - Sara Macias
- Institute of Immunology and Infection Research, School of Biological Sciences, University of Edinburgh, Edinburgh EH9 3FL, UK.
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50
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Zhang H, Zhan M, Chang H, Song S, Zhang C, Liu Y. Research Progress of Exogenous Plant MiRNAs in Cross-Kingdom Regulation. Curr Bioinform 2019. [DOI: 10.2174/1574893613666181113142414] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Background:Studies have shown that exogenous miRNAs have cross-kingdom regulatory effects on bacteria and viruses, but whether exogenous plant miRNAs are stable in human body or participate in cross-kingdom regulation is still controversial.Objective:This study aims to propose a new method for the presence and cross-kingdom regulation pathway of exogenous Plant miRNA, which combines biological calculations and biological experiments.Method:Based on the high-throughput sequencing data of human health tissue, the tissue specificity model of exogenous plant miRNA can be constructed and the absorption characteristics will be excavated and analyzed. Then screening the exogenous Plant miRNA based on the crosskingdom regulation model of plant-human miRNA, and isotope labeling can be used to verify the presence and regulation pathway of exogenous plant miRNA.Results:Only based on a comprehensive analysis to human high-throughput miRNA data, establishing cross-kingdom regulation model and designing effective biological experiments, can we reveal the existence, access pathways and regulation of exogenous plant miRNAs.Conclusion:Here, we reviewed the most recent advances in the presence and pathway of exogenous plant miRNAs into human and their cross-kingdom regulation.
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Affiliation(s)
- Hao Zhang
- Computer Science and Technology Department, College of Software, Symbol Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun, China
| | - Mengping Zhan
- Computer Science and Technology Department, College of Software, Symbol Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun, China
| | - Haowu Chang
- Computer Science and Technology Department, College of Software, Symbol Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun, China
| | - Shizeng Song
- Computer Science and Technology Department, College of Software, Symbol Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun, China
| | - Chunhe Zhang
- Computer Science and Technology Department, College of Software, Symbol Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun, China
| | - Yuanning Liu
- Computer Science and Technology Department, College of Software, Symbol Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun, China
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