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Nunes S, Bastos R, Marinho AI, Vieira R, Benício I, de Noronha MA, Lírio S, Brodskyn C, Tavares NM. Recent advances in the development and clinical application of miRNAs in infectious diseases. Noncoding RNA Res 2025; 10:41-54. [PMID: 39296638 PMCID: PMC11406675 DOI: 10.1016/j.ncrna.2024.09.005] [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: 03/25/2024] [Revised: 08/06/2024] [Accepted: 09/01/2024] [Indexed: 09/21/2024] Open
Abstract
In the search for new biomarkers and therapeutic targets for infectious diseases, several molecules have been investigated. Small RNAs, known as microRNAs (miRs), are important regulators of gene expression, and have emerged as promising candidates for these purposes. MiRs are a class of small, endogenous non-coding RNAs that play critical roles in several human diseases, including host-pathogen interaction mechanisms. Recently, miRs signatures have been reported in different infectious diseases, opening new perspectives for molecular diagnosis and therapy. MiR profiles can discriminate between healthy individuals and patients, as well as distinguish different disease stages. Furthermore, the possibility of assessing miRs in biological fluids, such as serum and whole blood, renders these molecules feasible for the development of new non-invasive diagnostic and prognostic tools. In this manuscript, we will comprehensively describe miRs as biomarkers and therapeutic targets in infectious diseases and explore how they can contribute to the advance of existing and new tools. Additionally, we will discuss different miR analysis platforms to understand the obstacles and advances of this molecular approach and propose their potential clinical applications and contributions to public health.
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Affiliation(s)
- Sara Nunes
- Laboratory of Medicine and Precision Public Health (MeSP), Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador, Bahia, Brazil
| | - Rana Bastos
- Laboratory of Medicine and Precision Public Health (MeSP), Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador, Bahia, Brazil
- Federal University of Bahia (UFBA), Salvador, Brazil
| | - Ananda Isis Marinho
- Laboratory of Medicine and Precision Public Health (MeSP), Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador, Bahia, Brazil
- Federal University of Bahia (UFBA), Salvador, Brazil
| | - Raissa Vieira
- Laboratory of Medicine and Precision Public Health (MeSP), Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador, Bahia, Brazil
- Federal University of Bahia (UFBA), Salvador, Brazil
| | - Ingra Benício
- Laboratory of Medicine and Precision Public Health (MeSP), Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador, Bahia, Brazil
| | | | - Sofia Lírio
- Laboratory of Medicine and Precision Public Health (MeSP), Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador, Bahia, Brazil
- Bahiana School of Medicine and Public Health, Salvador, Brazil
| | - Cláudia Brodskyn
- Federal University of Bahia (UFBA), Salvador, Brazil
- Laboratory of Parasite-Host Interaction and Epidemiology (LaIPHE), Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador, Bahia, Brazil
- Instituto Nacional de Ciência e Tecnologia (INCT) Iii - Instituto de Investigação Em Imunologia, São Paulo, Brazil
| | - Natalia Machado Tavares
- Laboratory of Medicine and Precision Public Health (MeSP), Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FIOCRUZ), Salvador, Bahia, Brazil
- Federal University of Bahia (UFBA), Salvador, Brazil
- Instituto Nacional de Ciência e Tecnologia (INCT) Iii - Instituto de Investigação Em Imunologia, São Paulo, Brazil
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Abbasnia S, Hashem Asnaashari AM, Sharebiani H, Soleimanpour S, Mosavat A, Rezaee SA. Mycobacterium tuberculosis and host interactions in the manifestation of tuberculosis. J Clin Tuberc Other Mycobact Dis 2024; 36:100458. [PMID: 38983441 PMCID: PMC11231606 DOI: 10.1016/j.jctube.2024.100458] [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] [Indexed: 07/11/2024] Open
Abstract
The final step of epigenetic processes is changing the gene expression in a new microenvironment in the body, such as neuroendocrine changes, active infections, oncogenes, or chemical agents. The case of tuberculosis (TB) is an outcome of Mycobacterium tuberculosis (M.tb) and host interaction in the manifestation of active and latent TB or clearance. This comprehensive review explains and interprets the epigenetics findings regarding gene expressions on the host-pathogen interactions in the development and progression of tuberculosis. This review introduces novel insights into the complicated host-pathogen interactions, discusses the challengeable results, and shows the gaps in the clear understanding of M.tb behavior. Focusing on the biological phenomena of host-pathogen interactions, the epigenetic changes, and their outcomes provides a promising future for developing effective TB immunotherapies when converting gene expression toward appropriate host immune responses gradually becomes attainable. Overall, this review may shed light on the dark sides of TB pathogenesis as a life-threatening disease. Therefore, it may support effective planning and implementation of epigenetics approaches for introducing proper therapies or effective vaccines.
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Affiliation(s)
- Shadi Abbasnia
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Hiva Sharebiani
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saman Soleimanpour
- Antimicrobial Resistance Research Center, Bu-Ali Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Microbiology and Virology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Arman Mosavat
- Blood Borne Infections Research Center, Academic Center for Education, Culture, and Research (ACECR), Razavi Khorasan, Mashhad, Iran
| | - Seyed Abdolrahim Rezaee
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
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Badia-Bringué G, Canive M, Blanco-Vázquez C, Torremocha R, Ovalle S, Ramos-Ruiz R, Casais R, Alonso-Hearn M. MicroRNAs modulate immunological and inflammatory responses in Holstein cattle naturally infected with Mycobacterium avium subsp. paratuberculosis. Sci Rep 2024; 14:173. [PMID: 38167436 PMCID: PMC10762146 DOI: 10.1038/s41598-023-50251-9] [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: 10/18/2023] [Accepted: 12/17/2023] [Indexed: 01/05/2024] Open
Abstract
MicroRNAs (miRNAs) regulate the post-transcriptional expression of genes by binding to their target mRNAs. In this study, whole miRNA sequencing was used to compare the expression of miRNAs in ileocecal valve (ICV) and peripheral blood (PB) samples of cows with focal or diffuse paratuberculosis (PTB)-associated lesions in gut tissues versus (vs) control cows without lesions. Among the eight miRNAs differentially expressed in the PB samples from cows with diffuse lesions vs controls, three (miR-19a, miR-144, miR32) were also down-regulated in cows with diffuse vs focal lesions. In the ICV samples, we identified a total of 4, 5, and 18 miRNAs differentially expressed in cows with focal lesions vs controls, diffuse lesions vs controls, and diffuse vs focal lesions, respectively. The differential expression of five microRNAs (miR-19a, miR-144, miR-2425-3p, miR-139, miR-101) was confirmed by RT-qPCR. Next, mRNA target prediction was performed for each differentially expressed miRNA. A functional analysis using the predicted gene targets revealed a significant enrichment of the RNA polymerase and MAPK signaling pathways in the comparison of cows with focal vs no lesions and with diffuse vs focal lesions, respectively. The identified miRNAs could be used for the development of novel diagnostic and therapeutical tools for PTB control.
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Affiliation(s)
- Gerard Badia-Bringué
- Department of Animal Health, NEIKER-Basque Research and Technology Alliance (BRTA), Derio, Spain
- Doctoral Program in Molecular Biology and Biomedicine, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Leioa, Bizkaia, Spain
| | - María Canive
- Department of Animal Health, NEIKER-Basque Research and Technology Alliance (BRTA), Derio, Spain
| | - Cristina Blanco-Vázquez
- Center of Animal Biotechnology, SERIDA-Regional Service of Agri-Food Research and Development, Deva, Spain
| | - Rosana Torremocha
- Genomic Unit, Scientific Park of Madrid, Campus de Cantoblanco, Madrid, Spain
| | - Susana Ovalle
- Genomic Unit, Scientific Park of Madrid, Campus de Cantoblanco, Madrid, Spain
| | - Ricardo Ramos-Ruiz
- Genomic Unit, Scientific Park of Madrid, Campus de Cantoblanco, Madrid, Spain
| | - Rosa Casais
- Center of Animal Biotechnology, SERIDA-Regional Service of Agri-Food Research and Development, Deva, Spain
| | - Marta Alonso-Hearn
- Department of Animal Health, NEIKER-Basque Research and Technology Alliance (BRTA), Derio, Spain.
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Cho J, Alexander KL, Ferrell JL, Johnson LA, Estus S, D’Orazio SEF. Apolipoprotein E genotype affects innate susceptibility to Listeria monocytogenes infection in aged male mice. Infect Immun 2023; 91:e0025123. [PMID: 37594272 PMCID: PMC10501219 DOI: 10.1128/iai.00251-23] [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: 06/29/2023] [Accepted: 06/29/2023] [Indexed: 08/19/2023] Open
Abstract
Apolipoprotein E (ApoE) is a lipid transport protein that is hypothesized to suppress proinflammatory cytokine production, particularly after stimulation with Toll-like receptor (TLR) ligands such as lipopolysaccharide (LPS). Studies using transgenic ApoE human replacement mice (APOE) expressing one of three different allelic variants suggest that there is a hierarchy in terms of responsiveness to proinflammatory stimuli such as APOE4/E4 > APOE3/E3 > APOE2/E2. In this study, we test the hypothesis that APOE genotype can also predict susceptibility to infection with the facultative intracellular gram-positive bacterium Listeria monocytogenes. We found that bone-marrow-derived macrophages isolated from aged APOE4/E4 mice expressed elevated levels of nitric oxide synthase 2 and were highly resistant to in vitro infection with L. monocytogenes compared to APOE3/E3 and APOE2/E2 mice. However, we did not find statistically significant differences in cytokine or chemokine output from either macrophages or whole splenocytes isolated from APOE2/E2, APOE3/E3, or APOE4/E4 mice following L. monocytogenes infection. In vivo, overall susceptibility to foodborne listeriosis also did not differ by APOE genotype in either young (2 mo old) or aged (15 mo old) C57BL/6 mice. However, we observed a sex-dependent susceptibility to infection in aged APOE2/E2 male mice and a sex-dependent resistance to infection in aged APOE4/E4 male mice that was not present in female mice. Thus, these results suggest that APOE genotype does not play an important role in innate resistance to infection with L. monocytogenes but may be linked to sex-dependent changes that occur during immune senescence.
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Affiliation(s)
- Jooyoung Cho
- Department of Microbiology, Immunology and Molecular Genetics, University of Kentucky College of Medicine, Lexington, Kentucky, USA
| | - Katie L. Alexander
- Department of Microbiology, Immunology and Molecular Genetics, University of Kentucky College of Medicine, Lexington, Kentucky, USA
| | - Jessica L. Ferrell
- Department of Microbiology, Immunology and Molecular Genetics, University of Kentucky College of Medicine, Lexington, Kentucky, USA
| | - Lance A. Johnson
- Department of Physiology, University of Kentucky College of Medicine, Lexington, Kentucky, USA
- Sanders Brown Center on Aging, University of Kentucky College of Medicine, Lexington, Kentucky, USA
| | - Steven Estus
- Department of Physiology, University of Kentucky College of Medicine, Lexington, Kentucky, USA
- Sanders Brown Center on Aging, University of Kentucky College of Medicine, Lexington, Kentucky, USA
| | - Sarah E. F. D’Orazio
- Department of Microbiology, Immunology and Molecular Genetics, University of Kentucky College of Medicine, Lexington, Kentucky, USA
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Alijani E, Rad FR, Katebi A, Ajdary S. Differential Expression of miR-146 and miR-155 in Active and Latent Tuberculosis Infection. IRANIAN JOURNAL OF PUBLIC HEALTH 2023; 52:1749-1757. [PMID: 37744552 PMCID: PMC10512130 DOI: 10.18502/ijph.v52i8.13414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 07/15/2022] [Indexed: 09/26/2023]
Abstract
Background Tuberculosis (TB) is one of the leading causes of death worldwide. Besides, one-third of the world population is infected with Mycobacterium tuberculosis (MTB) while staying clinically asymptomatic; the situation is called latent TB infection (LTBI). MiR-21, miR-31, miR-146a, and miR-155 play an important role in many immune and inflammatory pathways. In the present study the expression levels of MiR-21, miR-31, miR-146a, and miR-155 in peripheral blood mononuclear cells (PBMCs) from patients with active TB, latently infected individuals (LTBI), and healthy controls (HC) were investigated. Participants were recruited at the Bouali Hospital, Zahedan University of Medical Sciences, Zahedan, Iran from 2010 to 2011. Methods PBMCs were stimulated with PPD before RNA extraction. TaqMan RT-qPCR assay was used to analyze the expression levels of miRNAs. Results The results indicated no significant differences in the expression of miR-21 and miR-31 between different groups; however, in patients with active TB, the expression of miR-21 (P=0.03) and miR-31 (P=0.04) were significantly increased after stimulation with PPD compared to the unstimulated condition. The expression of miR-146 in response to PPD in both LTBI (P=0.02) and TB (P=0.03) groups compared to the HC group was increased. No significant differences were found in the expression level of miR-155 in response to PPD between LTBI and HC groups. However, the fold change was significantly higher in the TB group in comparison with the HC (P=0.03) and LTBI (P=0.05) groups. Conclusion The results confirm the main role of miR-146 and miR-155 in TB infection and suggest a role for miR-146 and miR-155 as infection and activation markers in tuberculosis infection, respectively.
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Affiliation(s)
- Ebrahim Alijani
- Clinical Immunology Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Farhad Riazi Rad
- Department of Immunology, Pasteur Institute of Iran, Tehran, Iran
| | - Asal Katebi
- Department of Immunology, Pasteur Institute of Iran, Tehran, Iran
| | - Soheila Ajdary
- Department of Immunology, Pasteur Institute of Iran, Tehran, Iran
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Vazgiourakis VM, Zervou MI, Papageorgiou L, Chaniotis D, Spandidos DA, Vlachakis D, Eliopoulos E, Goulielmos GN. Association of endometriosis with cardiovascular disease: Genetic aspects (Review). Int J Mol Med 2023; 51:29. [PMID: 36799179 PMCID: PMC9943539 DOI: 10.3892/ijmm.2023.5232] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/07/2023] [Indexed: 02/17/2023] Open
Abstract
Cardiovascular disease (CVD) comprises a broad spectrum of pathological conditions that affect the heart or blood vessels, including sequelae that arise from damaged vasculature in other organs of the body, such as the brain, kidneys or eyes. Atherosclerosis is a chronic inflammatory disease of the arterial intima and is the primary cause of coronary artery disease, peripheral vascular disease, heart attack, stroke and renal pathology. It represents a leading cause of mortality worldwide and the loss of human productivity that is marked by an altered immune response. Endometriosis is a heritable, heterogeneous, common gynecological condition influenced by multiple genetic, epigenetic and environmental factors, affecting up to 10% of the female population of childbearing age, causing pain and infertility; it is characterized by the ectopic growth of endometrial tissue outside the uterine cavity. Of note, epidemiological data obtained thus far have suggested a link between endometriosis and the risk of developing CVD. The similarities observed in specific molecular and cellular pathways of endometriosis and CVD may be partially explained by a shared genetic background. The present review presents and discusses the shared genetic factors which have been reported to be associated with the development of both disorders.
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Affiliation(s)
- Vassilios M. Vazgiourakis
- Intensive Care Unit, University Hospital of Larissa, University of Thessaly, Faculty of Medicine, 41110 Larissa, Greece
| | - Maria I. Zervou
- Section of Molecular Pathology and Human Genetics, Department of Internal Medicine, School of Medicine, University of Crete, 71403 Heraklion, Greece
| | - Louis Papageorgiou
- Department of Biomedical Sciences, School of Health and Care Sciences, University of West Attica, 12243 Athens, Greece
- Laboratory of Genetics, Department of Biotechnology, Agricultural University of Athens, 11855 Athens, Greece
| | - Dimitrios Chaniotis
- Department of Biomedical Sciences, School of Health and Care Sciences, University of West Attica, 12243 Athens, Greece
| | - Demetrios A. Spandidos
- Laboratory of Clinical Virology, School of Medicine, University of Crete, 71003 Heraklion, Greece
| | - Dimitrios Vlachakis
- Laboratory of Genetics, Department of Biotechnology, Agricultural University of Athens, 11855 Athens, Greece
| | - Elias Eliopoulos
- Laboratory of Genetics, Department of Biotechnology, Agricultural University of Athens, 11855 Athens, Greece
| | - George N. Goulielmos
- Section of Molecular Pathology and Human Genetics, Department of Internal Medicine, School of Medicine, University of Crete, 71403 Heraklion, Greece
- Department of Internal Medicine, University Hospital of Heraklion, 71500 Heraklion, Greece
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Ophiopogon Polysaccharide Liposome Regulated the Immune Activity of Kupffer Cell through miR-4796. Int J Mol Sci 2022; 23:ijms232314659. [PMID: 36498983 PMCID: PMC9735683 DOI: 10.3390/ijms232314659] [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: 10/18/2022] [Revised: 11/13/2022] [Accepted: 11/17/2022] [Indexed: 11/25/2022] Open
Abstract
The purpose of this article is to study the effects and mechanism of miR-4796 in the process of ophiopogon polysaccharide liposome (OPL) regulation of the immune activity of Kupffer cells (KCs). In this study, KCs were used as cell models, and were treated with OPL in different concentrations after being transfected with miR-4796 mimic or miR-4796 inhibitor. Firstly, the secretion of NO and iNOS, phagocytic activity, the expression of surface molecules CD14 and MHC II, apoptosis and ROS secretion were measured by Griess, flow cytometry, fluorescence staining and ELISA. Then, real-time PCR and Western blot were used to measure the expression of TLR4, IKKβ, MyD88 and NF-κB in the TLR4-NF-κB signaling pathway. The results showed that after transfection with miR-4796 mimic, the secretion of NO and iNOS, cell migration, cell phagocytosis and expression levels of CD14 and MHC II in the OPL group were significantly higher than those in the miR-4796 mimic control group (p < 0.05; p < 0.01). In addition, the mRNA and protein expression levels of TLR4, MyD88 and NF-κB were significantly higher than those in miR-4796 mimic control group (p < 0.05; p < 0.01). After transfection with miR-4796 inhibitor, the secretion of NO and iNOS, cell migration, cell phagocytosis, expression of CD14 and MHCII in OPL group were significantly higher than those in the miR-4796 inhibitor control group (p < 0.05; p < 0.01). These results indicated that OPL could regulate the immune activity of KCs by regulating miR-4796 and activating the TLR4-NF-κB signaling pathway.
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Davuluri KS, Chauhan DS. microRNAs associated with the pathogenesis and their role in regulating various signaling pathways during Mycobacterium tuberculosis infection. Front Cell Infect Microbiol 2022; 12:1009901. [PMID: 36389170 PMCID: PMC9647626 DOI: 10.3389/fcimb.2022.1009901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 10/03/2022] [Indexed: 11/22/2022] Open
Abstract
Despite more than a decade of active study, tuberculosis (TB) remains a serious health concern across the world, and it is still the biggest cause of mortality in the human population. Pathogenic bacteria recognize host-induced responses and adapt to those hostile circumstances. This high level of adaptability necessitates a strong regulation of bacterial metabolic characteristics. Furthermore, the immune reponse of the host virulence factors such as host invasion, colonization, and survival must be properly coordinated by the pathogen. This can only be accomplished by close synchronization of gene expression. Understanding the molecular characteristics of mycobacterial pathogenesis in order to discover therapies that prevent or resolve illness relies on the bacterial capacity to adjust its metabolism and replication in response to various environmental cues as necessary. An extensive literature details the transcriptional alterations of host in response to in vitro environmental stressors, macrophage infection, and human illness. Various studies have recently revealed the finding of several microRNAs (miRNAs) that are believed to play an important role in the regulatory networks responsible for adaptability and virulence in Mycobacterium tuberculosis. We highlighted the growing data on the existence and quantity of several forms of miRNAs in the pathogenesis of M. tuberculosis, considered their possible relevance to disease etiology, and discussed how the miRNA-based signaling pathways regulate bacterial virulence factors.
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Liang S, Ma J, Gong H, Shao J, Li J, Zhan Y, Wang Z, Wang C, Li W. Immune regulation and emerging roles of noncoding RNAs in Mycobacterium tuberculosis infection. Front Immunol 2022; 13:987018. [PMID: 36311754 PMCID: PMC9608867 DOI: 10.3389/fimmu.2022.987018] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 08/29/2022] [Indexed: 05/10/2024] Open
Abstract
Tuberculosis, caused by Mycobacterium tuberculosis, engenders an onerous burden on public hygiene. Congenital and adaptive immunity in the human body act as robust defenses against the pathogens. However, in coevolution with humans, this microbe has gained multiple lines of mechanisms to circumvent the immune response to sustain its intracellular persistence and long-term survival inside a host. Moreover, emerging evidence has revealed that this stealthy bacterium can alter the expression of demic noncoding RNAs (ncRNAs), leading to dysregulated biological processes subsequently, which may be the rationale behind the pathogenesis of tuberculosis. Meanwhile, the differential accumulation in clinical samples endows them with the capacity to be indicators in the time of tuberculosis suffering. In this article, we reviewed the nearest insights into the impact of ncRNAs during Mycobacterium tuberculosis infection as realized via immune response modulation and their potential as biomarkers for the diagnosis, drug resistance identification, treatment evaluation, and adverse drug reaction prediction of tuberculosis, aiming to inspire novel and precise therapy development to combat this pathogen in the future.
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Affiliation(s)
- Shufan Liang
- Department of Respiratory and Critical Care Medicine, Med-X Center for Manufacturing, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, West China School of Medicine, Sichuan University, Chengdu, China
| | - Jiechao Ma
- Artificial Intelligence (AI) Lab, Deepwise Healthcare, Beijing, China
| | - Hanlin Gong
- Department of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Jun Shao
- Department of Respiratory and Critical Care Medicine, Med-X Center for Manufacturing, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, West China School of Medicine, Sichuan University, Chengdu, China
| | - Jingwei Li
- Department of Respiratory and Critical Care Medicine, Med-X Center for Manufacturing, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, West China School of Medicine, Sichuan University, Chengdu, China
| | - Yuejuan Zhan
- Department of Respiratory and Critical Care Medicine, Med-X Center for Manufacturing, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, West China School of Medicine, Sichuan University, Chengdu, China
| | - Zhoufeng Wang
- Department of Respiratory and Critical Care Medicine, Med-X Center for Manufacturing, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, West China School of Medicine, Sichuan University, Chengdu, China
| | - Chengdi Wang
- Department of Respiratory and Critical Care Medicine, Med-X Center for Manufacturing, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, West China School of Medicine, Sichuan University, Chengdu, China
| | - Weimin Li
- Department of Respiratory and Critical Care Medicine, Med-X Center for Manufacturing, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, West China School of Medicine, Sichuan University, Chengdu, China
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Daniel EA, Sathiyamani B, Thiruvengadam K, Vivekanandan S, Vembuli H, Hanna LE. MicroRNAs as diagnostic biomarkers for Tuberculosis: A systematic review and meta- analysis. Front Immunol 2022; 13:954396. [PMID: 36238288 PMCID: PMC9551313 DOI: 10.3389/fimmu.2022.954396] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 08/31/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundThe early diagnosis of tuberculosis using novel non-sputum-based biomarkers is of high priority in the End TB strategy. MicroRNAs (miRNAs) are significant regulators of TB pathogenesis and their differential expression pattern among healthy, latent, and active TB population has revealed their potentiality as biomarkers in recent studies. Thus, we systematically reviewed and performed a meta-analysis on the role of host miRNAs in TB diagnosis. We also reviewed the involvement of miRNAs in the immune response to Mycobacterium tuberculosis (Mtb).MethodsPubmed, Ovid and Cochrane databases were searched to retrieve published literature from 2000 to 2020 using predefined keywords. We screened relevant studies based on inclusion and exclusion criteria and the included studies were assessed for their quality using STARD guidelines and QUADAS-2 tool. Funnel plots were constructed to assess the publication bias. The heterogeneity of studies and overall pooled results of sensitivity, specificity and DOR were determined using forest plots.ResultsWe retrieved a total of 447 studies collectively from all the databases, out of which 21 studies were included for qualitative analysis. In these studies, miR-29, miR-31, miR-125b, miR146a and miR-155 were consistently reported. The overall sensitivity, specificity and DOR of these miRNAs were found to be 87.9% (81.7-92.2), 81.2% (74.5-86.5) and 43.1(20.3-91.3) respectively. Among these, miR-31 had the maximum diagnostic accuracy, with a sensitivity of 96% (89.7-98.5), specificity of 89% (81.2-93.8) and DOR of 345.9 (90.2-1326.3), meeting the minimal target product profile (TPP) for TB diagnostics.ConclusionmiRNAs can thus be exploited as potential biomarkers for rapid detection of tuberculosis as evident from their diagnostic performance. Systematic Review Registrationhttps://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42021226559 PROSPERO (CRD42021226559).
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Affiliation(s)
- Evangeline Ann Daniel
- Department of Virology and Biotechnology, ICMR- National Institute for Research in Tuberculosis, Chennai, India
- University of Madras, Chennai, India
| | - Balakumaran Sathiyamani
- Department of Virology and Biotechnology, ICMR- National Institute for Research in Tuberculosis, Chennai, India
- University of Madras, Chennai, India
| | - Kannan Thiruvengadam
- Department of Statistics, Epidemiology Unit, ICMR-National Institute for Research in Tuberculosis, Chennai, India
| | - Sandhya Vivekanandan
- Department of Virology and Biotechnology, ICMR- National Institute for Research in Tuberculosis, Chennai, India
- University of Madras, Chennai, India
| | - Hemanathan Vembuli
- Department of Virology and Biotechnology, ICMR- National Institute for Research in Tuberculosis, Chennai, India
| | - Luke Elizabeth Hanna
- Department of Virology and Biotechnology, ICMR- National Institute for Research in Tuberculosis, Chennai, India
- *Correspondence: Luke Elizabeth Hanna,
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Exploring the Expression of Pro-Inflammatory and Hypoxia-Related MicroRNA-20a, MicroRNA-30e, and MicroRNA-93 in Periodontitis and Gingival Mesenchymal Stem Cells under Hypoxia. Int J Mol Sci 2022; 23:ijms231810310. [PMID: 36142220 PMCID: PMC9499533 DOI: 10.3390/ijms231810310] [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: 07/01/2022] [Revised: 08/21/2022] [Accepted: 08/28/2022] [Indexed: 11/22/2022] Open
Abstract
Hypoxia associated with inflammation are common hallmarks observed in several diseases, and it plays a major role in the expression of non-coding RNAs, including microRNAs (miRNAs). In addition, the miRNA target genes for hypoxia-inducible factor-1α (HIF-1α) and nuclear factor of activated T cells-5 (NFAT5) modulate the adaptation to hypoxia. The objective of the present study was to explore hypoxia-related miRNA target genes for HIF-1α and NFAT5, as well as miRNA-20a, miRNA-30e, and miRNA-93 expression in periodontitis versus healthy gingival tissues and gingival mesenchymal stem cells (GMSCs) cultured under hypoxic conditions. Thus, a case-control study was conducted, including healthy and periodontitis subjects. Clinical data and gingival tissue biopsies were collected to analyze the expression of miRNA-20a, miRNA-30e, miRNA-93, HIF-1α, and NFAT5 by qRT-PCR. Subsequently, GMSCs were isolated and cultured under hypoxic conditions (1% O2) to explore the expression of the HIF-1α, NFAT5, and miRNAs. The results showed a significant upregulation of miRNA-20a (p = 0.028), miRNA-30e (p = 0.035), and miRNA-93 (p = 0.026) in periodontitis tissues compared to healthy gingival biopsies. NFAT5 mRNA was downregulated in periodontitis tissues (p = 0.037), but HIF-1α was not affected (p = 0.60). Interestingly, hypoxic GMSCs upregulated the expression of miRNA-20a and HIF-1α, but they downregulated miRNA-93e. In addition, NFAT5 mRNA expression was not affected in hypoxic GMSCs. In conclusion, in periodontitis patients, the expression of miRNA-20a, miRNA-30e, and miRNA-93 increased, but a decreased expression of NFAT5 mRNA was detected. In addition, GMSCs under hypoxic conditions upregulate the HIF-1α and increase miRNA-20a (p = 0.049) expression. This study explores the role of inflammatory and hypoxia-related miRNAs and their target genes in periodontitis and GMSCs. It is crucial to determine the potential therapeutic target of these miRNAs and hypoxia during the periodontal immune–inflammatory response, which should be analyzed in greater depth in future studies.
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Dong W, Wang G, Feng J, Li P, Wang R, Lu H, Lu W, Wang C, Wang X, Chen H, Xiang Y, Tan C. MiR-25 blunts autophagy and promotes the survival of Mycobacterium tuberculosis by regulating NPC1. iScience 2022; 25:104279. [PMID: 35586071 PMCID: PMC9108763 DOI: 10.1016/j.isci.2022.104279] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 03/28/2022] [Accepted: 04/19/2022] [Indexed: 02/08/2023] Open
Abstract
Mycobacterium tuberculosis (Mtb) evades host clearance by inhibiting autophagy. MicroRNA-25 (miR-25) expression was significantly up-regulated in the lung tissues of mice infected with Bacillus Calmette-Guerin (BCG) and macrophages infected with Mtb or BCG, especially in the early stages of infection. MiR-25 can significantly increase the survival of Mtb and BCG in macrophages. We validated that miR-25 targets the NPC1 protein located on the lysosomal membrane, resulting in damage to lysosomal function, thereby inhibiting autophagolysosome formation and promoting the survival of Mtb and BCG. Consistently, mice lacking miR-25 exhibited more resistant to BCG infection. In addition, we found that Rv1759c induces the expression of miR-25 through NFKB inhibitor zeta (NFKBIZ). This study demonstrates that the role of miR-25 during Mtb infection contributes to a better understanding of the pathogenesis of tuberculosis (TB). Mtb up-modulates miR-25 expression especially in the early stage of infection miR-25 targeting NPC1 impairs autophagic flux in macrophages Mice lacking miR-25 exhibits more resistant to BCG infection Rv1759c regulates miR-25 expression and Mtb survival via NFKBIZ
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Affiliation(s)
- Wenqi Dong
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China
| | - Gaoyan Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China
| | - Jiajia Feng
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China
| | - Pei Li
- Department of Gastrointestinal Surgery, The Second Clinical Medical College of Jinan University, Shenzhen, Guangdong, China
| | - Rui Wang
- Department of Experimental Animal Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Hao Lu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China
| | - Wenjia Lu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China
| | - Chenchen Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China
| | - Xiangru Wang
- Hubei Hongshan Laboratory, Wuhan, Hubei, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Wuhan, Hubei, China.,Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture of the People's Republic of China, Wuhan, Hubei, China
| | - Huanchun Chen
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Wuhan, Hubei, China.,Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture of the People's Republic of China, Wuhan, Hubei, China
| | - Yaozu Xiang
- School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Chen Tan
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China.,Hubei Hongshan Laboratory, Wuhan, Hubei, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Wuhan, Hubei, China.,Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture of the People's Republic of China, Wuhan, Hubei, China
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Sui J, Qiao W, Xiang X, Luo Y. Epigenetic Changes in Mycobacterium tuberculosis and its Host Provide Potential Targets or Biomarkers for Drug Discovery and Clinical Diagnosis. Pharmacol Res 2022; 179:106195. [DOI: 10.1016/j.phrs.2022.106195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 03/14/2022] [Accepted: 03/25/2022] [Indexed: 11/26/2022]
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14
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Magdalena D, Magdalena G. Biological functions and diagnostic implications of microRNAs in Mycobacterium tuberculosis infection. Asian Pac J Trop Biomed 2022. [DOI: 10.4103/2221-1691.333208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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15
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Identification of Unique Key miRNAs, TFs, and mRNAs in Virulent MTB Infection Macrophages by Network Analysis. Int J Mol Sci 2021; 23:ijms23010382. [PMID: 35008808 PMCID: PMC8745702 DOI: 10.3390/ijms23010382] [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: 11/19/2021] [Revised: 12/25/2021] [Accepted: 12/27/2021] [Indexed: 12/13/2022] Open
Abstract
Although Mycobacterium tuberculosis (MTB) has existed for thousands of years, its immune escape mechanism remains obscure. Increasing evidence signifies that microRNAs (miRNAs) play pivotal roles in the progression of tuberculosis (TB). RNA sequencing was used to sequence miRNAs in human acute monocytic leukemia cells (THP-1) infected by the virulent MTB-1458 strain and the avirulent vaccine strain Mycobacterium bovis Bacillus Calmette-Guérin (BCG). Sets of differentially expressed miRNAs (DE-miRNAs) between MTB-1458/BCG-infected groups and uninfected groups were identified, among which 18 were differentially expressed only in the MTB-1458-infected THP-1 group. Then, 13 transcription factors (TFs) and 81 target genes of these 18 DE-miRNAs were matched. Gene Ontology classification as well as Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis showed that the candidate targets were predominantly involved in apoptotic-associated and interferon-γ-mediated signaling pathways. A TF-miRNA-mRNA interaction network was constructed to analyze the relationships among these 18 DE-miRNAs and their targets and TFs, as well as display the hub miRNAs, TFs, and target genes. Considering the degrees from network analysis and the reported functions, this study focused on the BHLHE40-miR-378d-BHLHE40 regulation axis and confirmed that BHLHE40 was a target of miR-378d. This cross-talk among DE-miRNAs, mRNAs, and TFs might be an important feature in TB, and the findings merited further study and provided new insights into immune defense and evasion underlying host-pathogen interactions.
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Winter E, Cisilotto J, Silva AH, Rosolen D, Fabichak AP, Rode MP, Creczynski-Pasa TB. MicroRNAs: Potential biomarkers for reproduction, diagnosis, prognosis, and therapeutic in domestic animals. Res Vet Sci 2021; 142:117-132. [PMID: 34942556 DOI: 10.1016/j.rvsc.2021.12.004] [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: 05/13/2021] [Revised: 11/02/2021] [Accepted: 12/01/2021] [Indexed: 10/19/2022]
Abstract
MicroRNA (miRNAs) are small non-coding RNA molecules involved in a wide range of biological processes through the post-transcriptional regulation of gene expression. Most studies evaluated microRNA expression in human, and despite fewer studies in veterinary medicine, this topic is one of the most exciting areas of modern veterinary medicine. miRNAs showed to be part of the pathogenesis of diseases and reproduction physiology in animals, making them biomarkers candidates. This review provides an overview of the current knowledge regarding miRNAs' role in reproduction and animal diseases, diagnostic and therapy.
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Affiliation(s)
- Evelyn Winter
- Department of Agriculture, Biodiversity and Forests, Federal University of Santa Catarina, Curitibanos, 89520000, SC, Brazil.
| | - Júlia Cisilotto
- Postgraduate Program in Pharmacy, Federal University of Santa Catarina, Florianopolis, 88040-900, SC, Brazil
| | - Adny Henrique Silva
- Postgraduate Program in Pharmacy, Federal University of Santa Catarina, Florianopolis, 88040-900, SC, Brazil
| | - Daiane Rosolen
- Postgraduate Program in Pharmacy, Federal University of Santa Catarina, Florianopolis, 88040-900, SC, Brazil
| | - Ana Paula Fabichak
- Department of Agriculture, Biodiversity and Forests, Federal University of Santa Catarina, Curitibanos, 89520000, SC, Brazil
| | - Michele Patricia Rode
- Postgraduate Program in Pharmacy, Federal University of Santa Catarina, Florianopolis, 88040-900, SC, Brazil
| | - Tânia Beatriz Creczynski-Pasa
- Postgraduate Program in Pharmacy, Federal University of Santa Catarina, Florianopolis, 88040-900, SC, Brazil; Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Florianopolis, 88040-900, SC, Brazil
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17
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Gao J, Li C, Li W, Chen H, Fu Y, Yi Z. Increased UBE2L6 regulated by type 1 interferon as potential marker in TB. J Cell Mol Med 2021; 25:11232-11243. [PMID: 34773365 PMCID: PMC8650027 DOI: 10.1111/jcmm.17046] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 09/07/2021] [Accepted: 10/25/2021] [Indexed: 12/11/2022] Open
Abstract
The aim of this study is to identify potential biomarker of tuberculosis (TB) and determine its function. Differentially expressed mRNAs(DEGs) were selected from a blood database GSE101805, and then, 30 key genes were screened using STING, Cytoscape and further functionally enriched. We then found that only 6 of 13 genes related to ubiquitination (the first in the functional enrichment) were increased significantly. ROC analysis showed that UBE2L6, among 6 genes, had the highest diagnostic value, and then, we found that it also had mild value in differential diagnosis. Moreover, our analysis showed that UBE2L6 may be upregulated by type I interferon, which was further confirmed by us. In addition, we also found that UBE2L6 inhibits the apoptosis of Mycobacterium tuberculosis(Mtb)infected macrophages. Subsequently, we discovered that miR-146a-5p, which may target UBE2L6, is reduced in peripheral blood mononuclear cells (PBMC) and plasma of TB, and it also had certain diagnostic efficiency(AUC=0.791). In brief, we demonstrated that UBE2L6 as well as miR-146a-5p is a potential biomarker for TB and UBE2L6,which may also plays important role in TB by, at least, modulating Mtb-infected macrophage apoptosis.
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Affiliation(s)
- Jiao Gao
- School of Medical Laboratory, Weifang Medical University, Weifang, China
| | - Chonghui Li
- School of Medical Laboratory, Weifang Medical University, Weifang, China
| | - Wenjing Li
- School of Medical Laboratory, Weifang Medical University, Weifang, China
| | - Haotian Chen
- School of Medical Laboratory, Weifang Medical University, Weifang, China
| | - Yurong Fu
- School of Basic Medicine, Weifang Medical University, Weifang, China
| | - Zhengjun Yi
- School of Medical Laboratory, Weifang Medical University, Weifang, China
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18
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Duan X, Pan X, Cui J, Ke L, Liu J, Song X, Ma W, Zhang W, Liu Y, Fan Y. The effect of miR-1338 on the immunomodulatory activity of ophiopogon polysaccharide liposome. Int J Biol Macromol 2021; 193:1871-1884. [PMID: 34774589 DOI: 10.1016/j.ijbiomac.2021.11.019] [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: 09/13/2021] [Revised: 10/16/2021] [Accepted: 11/01/2021] [Indexed: 10/19/2022]
Abstract
This study is to investigate the effect of microRNA-1338 (miR-1338) on the activity of Kupffer cells (KCs) and its mechanism regulated by ophiopogon polysaccharide liposome (OPL). KCs was treated with different OPL after transfected with miR-1338 mimic and miR-1338 inhibitor. The secretion of NO and iNOS, the expression of catalase (CAT) and peroxidase (POD), the phagocytic activity, the expression of CD14 and MHC II, the apoptosis and the secretion of ROS were measured. In addition, the expressions of key signal factors TLR4, IKKβ, MyD88 and NF-κB in NF-κB signaling pathway were measured by real-time PCR and Western blot (WB). The results showed that OPL could promote the secretion of iNOS, the expression of POD, the phagocytosis, the mRNA expression of TLR4, MyD88, IKKβ and NF-κB, the protein expression of TLR4 and NF-κB, and inhibit the cell apoptosis and ROS secretion after transfected with miR-1338 mimic. After transfected with miR-1338 inhibitor, OPL could promote the secretion of NO and iNOS, the expression of POD, cell migration, phagocytosis, and inhibit cell apoptosis. Meanwhile, the mRNA expression of TLR4, MyD88, IKKβ and NF-κB and the protein expression of TLR4, MyD88 and NF-κB were promoted. These results suggested that OPL could activate TLR4-NF-κB signaling pathway and thereby improve the activity of KCs by regulating miR-1338.
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Affiliation(s)
- Xueqin Duan
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Xingxue Pan
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Jing Cui
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Liting Ke
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Jia Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Xiaoping Song
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
| | - Wuren Ma
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Weimin Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Yingqiu Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Yunpeng Fan
- College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
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19
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Moradi Z, Rabiei Z, Anjomshoa M, Amini-Farsani Z, Massahzadeh V, Asgharzade S. Neuroprotective effect of wild lowbush blueberry (Vaccinium angustifolium) on global cerebral ischemia/reperfusion injury in rats: Downregulation of iNOS/TNF-α and upregulation of miR-146a/miR-21 expression. Phytother Res 2021; 35:6428-6440. [PMID: 34580912 DOI: 10.1002/ptr.7296] [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: 03/24/2021] [Revised: 07/23/2021] [Accepted: 09/08/2021] [Indexed: 11/08/2022]
Abstract
This study aims to investigate the neuroprotective effect of wild lowbush blueberry on CIRI in rats. Accordingly, CIRI and reperfusion were induced in rats for 60 min and 24 h, respectively. Then, the mechanisms of the neuroprotective effects of BBE were investigated in the injury through evaluating miR-146a, miR-21, and their targets in a CIRI rat model. After that, the BBE (30, 60, and 120 mg/kg b.wt) was intraperitoneally injected for 14 days, then CIRI was induced by BCCAO for 60 min for ischemic stroke and reperfusion for 24 h. Several parameters including the oxidative stress levels in the hippocampus and serum were measured 24 h after the CIRI. The findings showed that the BBE significantly decreased the levels of malondialdehyde (MDA) and nitric oxide (NO) and increased ferric ion reducing antioxidant power (FRAP) levels in the hippocampus and serum following the stroke. The BBE also maximized the miR-146a and miR-21 expressions and moderated iNOS and TNF-α expressions in the hippocampus. Likewise, the BBE enlarged the CA1 and CA3 domains of the post-stroke pyramidal cell layers of the hippocampus. Overall, the results revealed that BBE had potent neuroprotective efficacy against CIRI via the effective modulation of neuroinflammatory cascades and protected neurons against ischemic death.
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Affiliation(s)
- Zahra Moradi
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Zahra Rabiei
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Maryam Anjomshoa
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Zeinab Amini-Farsani
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Vahid Massahzadeh
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Samira Asgharzade
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
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20
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Fatima S, Kumari A, Agarwal M, Pahuja I, Yadav V, Dwivedi VP, Bhaskar A. Epigenetic code during mycobacterial infections: therapeutic implications for tuberculosis. FEBS J 2021; 289:4172-4191. [PMID: 34453865 DOI: 10.1111/febs.16170] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/23/2021] [Accepted: 08/26/2021] [Indexed: 12/21/2022]
Abstract
Epigenetics involves changing the gene function without any change in the sequence of the genes. In the case of tuberculosis (TB) infections, the bacilli, Mycobacterium tuberculosis (M.tb), uses epigenetics as a tool to protect itself from the host immune system. TB is a deadly disease-causing maximum death per year due to a single infectious agent. In the case of TB, there is an urgent need for novel host-directed therapies which can effectively target the survival and long-term persistence of the bacteria without developing drug resistance in the bacterial strains while also reducing the duration and toxicity associated with the mainstream anti-TB drugs. Recent studies have suggested that TB infection has a significant effect on the host epigenome thereby manipulating the host immune response in the favor of the pathogen. M.tb alters the activation status of key genes involved in the immune response against TB to promote its survival and subvert the antibacterial strategies of the host. These changes are reversible and can be exploited to design very efficient host-directed therapies to fight against TB. This review has been written with the purpose of discussing the role of epigenetic changes in TB pathogenesis and the therapeutic approaches involving epigenetics, which can be utilized for targeting the pathogen.
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Affiliation(s)
- Samreen Fatima
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Anjna Kumari
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Meetu Agarwal
- Department of Biosciences, Jamia Hamdard University, New Delhi, India
| | - Isha Pahuja
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Vinod Yadav
- Department of Microbiology, Central University of Haryana, Mahendragarh, India
| | - Ved Prakash Dwivedi
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
| | - Ashima Bhaskar
- Immunobiology Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India
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21
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Non-Coding RNAs and Reactive Oxygen Species–Symmetric Players of the Pathogenesis Associated with Bacterial and Viral Infections. Symmetry (Basel) 2021. [DOI: 10.3390/sym13071307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Infections can be triggered by a wide range of pathogens. However, there are few strains of bacteria that cause illness, but some are quite life-threatening. Likewise, viral infections are responsible for many human diseases, usually characterized by high contagiousness. Hence, as bacterial and viral infections can both cause similar symptoms, it can be difficult to determine the exact cause of a specific infection, and this limitation is critical. However, recent scientific advances have geared us up with the proper tools required for better diagnoses. Recent discoveries have confirmed the involvement of non-coding RNAs (ncRNAs) in regulating the pathogenesis of certain bacterial or viral infections. Moreover, the presence of reactive oxygen species (ROS) is also known as a common infection trait that can be used to achieve a more complete description of such pathogen-driven conditions. Thus, this opens further research opportunities, allowing scientists to explore infection-associated genetic patterns and develop better diagnosis and treatment methods. Therefore, the aim of this review is to summarize the current knowledge of the implication of ncRNAs and ROS in bacterial and viral infections, with great emphasis on their symmetry but, also, on their main differences.
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22
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Bade P, Simonetti F, Sans S, Laboudie P, Kissane K, Chappat N, Lagrange S, Apparailly F, Roubert C, Duroux-Richard I. Integrative Analysis of Human Macrophage Inflammatory Response Related to Mycobacterium tuberculosis Virulence. Front Immunol 2021; 12:668060. [PMID: 34276658 PMCID: PMC8284339 DOI: 10.3389/fimmu.2021.668060] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 06/07/2021] [Indexed: 01/08/2023] Open
Abstract
Mycobacterium tuberculosis (Mtb), the etiological agent of tuberculosis, kills 1.5 to 1.7 million people every year. Macrophages are Mtb's main host cells and their inflammatory response is an essential component of the host defense against Mtb. However, Mtb is able to circumvent the macrophages' defenses by triggering an inappropriate inflammatory response. The ability of Mtb to hinder phagolysosome maturation and acidification, and to escape the phagosome into the cytosol, is closely linked to its virulence. The modulation of the host inflammatory response relies on Mtb virulence factors, but remains poorly studied. Understanding macrophage interactions with Mtb is crucial to develop strategies to control tuberculosis. The present study aims to determine the inflammatory response transcriptome and miRNome of human macrophages infected with the virulent H37Rv Mtb strain, to identify macrophage genetic networks specifically modulated by Mtb virulence. Using human macrophages infected with two different live strains of mycobacteria (live or heat-inactivated Mtb H37Rv and M. marinum), we quantified and analyzed 184 inflammatory mRNAs and 765 micro(mi)RNAs. Transcripts and miRNAs differently modulated by H37Rv in comparison with the two other conditions were analyzed using in silico approaches. We identified 30 host inflammatory response genes and 37 miRNAs specific for H37Rv virulence, and highlight evidence suggesting that Mtb intracellular-linked virulence depends on the inhibition of IL-1β-dependent pro-inflammatory response, the repression of apoptosis and the delay of the recruitment and activation of adaptive immune cells. Our findings provide new potential targets for the development of macrophage-based therapeutic strategies against TB.
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Affiliation(s)
- Pauline Bade
- Institute for Regenerative Medicine & Biotherapy (IRMB), INSERM, Univ Montpellier, CHU Montpellier, Montpellier, France
- Evotec ID (Lyon), Lyon, France
| | | | | | | | | | | | | | - Florence Apparailly
- Institute for Regenerative Medicine & Biotherapy (IRMB), INSERM, Univ Montpellier, CHU Montpellier, Montpellier, France
| | | | - Isabelle Duroux-Richard
- Institute for Regenerative Medicine & Biotherapy (IRMB), INSERM, Univ Montpellier, CHU Montpellier, Montpellier, France
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23
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Wei L, Liu K, Jia Q, Zhang H, Bie Q, Zhang B. The Roles of Host Noncoding RNAs in Mycobacterium tuberculosis Infection. Front Immunol 2021; 12:664787. [PMID: 34093557 PMCID: PMC8170620 DOI: 10.3389/fimmu.2021.664787] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Accepted: 04/23/2021] [Indexed: 12/21/2022] Open
Abstract
Tuberculosis remains a major health problem. Mycobacterium tuberculosis, the causative agent of tuberculosis, can replicate and persist in host cells. Noncoding RNAs (ncRNAs) widely participate in various biological processes, including Mycobacterium tuberculosis infection, and play critical roles in gene regulation. In this review, we summarize the latest reports on ncRNAs (microRNAs, piRNAs, circRNAs and lncRNAs) that regulate the host response against Mycobacterium tuberculosis infection. In the context of host-Mycobacterium tuberculosis interactions, a broad and in-depth understanding of host ncRNA regulatory mechanisms may lead to potential clinical prospects for tuberculosis diagnosis and the development of new anti-tuberculosis therapies.
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Affiliation(s)
- Li Wei
- Department of Laboratory Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Kai Liu
- Nursing Department, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Qingzhi Jia
- Department of Laboratory Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Hui Zhang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China
| | - Qingli Bie
- Department of Laboratory Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
- Institute of Forensic Medicine and Laboratory Medicine, Jining Medical University, Jining, China
| | - Bin Zhang
- Department of Laboratory Medicine, Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
- Institute of Forensic Medicine and Laboratory Medicine, Jining Medical University, Jining, China
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Das S, Mukherjee S, Ali N. Super enhancer-mediated transcription of miR146a-5p drives M2 polarization during Leishmania donovani infection. PLoS Pathog 2021; 17:e1009343. [PMID: 33630975 PMCID: PMC7943006 DOI: 10.1371/journal.ppat.1009343] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 03/09/2021] [Accepted: 01/28/2021] [Indexed: 12/13/2022] Open
Abstract
The outcome of Leishmania donovani infection depends upon the dynamic interchanges between M1 and M2 macrophages. Information of the involvement of microRNAs (miRNAs) and epigenetic modifiers in regulating macrophage plasticity during L. donovani infection is still elusive. Differential expression analysis of polarization-regulating miRNAs, revealed significant enrichment of miR146a-5p during Leishmania donovani infection. A sustained enrichment of miR146a-5p was observed in both infected bone marrow derived macrophages (BMDMs) and BALB/c mice organs. We found involvement of miR146a-5p in phagocytosis and survivability of parasites. Moreover, miR146a-5pgot enriched in interleukin 4- stimulated BMDMs, indicating its possible involvement in M2 polarization. Upon transfecting BMDMs with miRVANA anti-146a oligos, M2 markers (CCR7, YM-1, FIZZ-1, arginase-1, IL10 and IL4) and transcription factors (p-STAT6 and c/EBPβ) got depleted with concomitant augmentation of M1-polarizing transcription factors (p-STAT1, AP1 and IRF-1), miR146a target genes (TRAF6 and IRAK1), M1 cytokines (IL12 and TNFα), iNOS, nitric oxide, and nuclear translocation of phospho p-65 subunit. Neutralization of intracellular mature miR146a-5p pool in infected BALB/c mice lower organ parasite burden and expressions of M2 markers and IL10 with enrichment of M1 markers like iNOS and IL12. Additionally, we explored the novel role of super enhancer (SE), a cis-acting regulatory component, to enrich miR146a-5p expression during infection. Enhanced expression and nuclear retention of SE components like BET bromodomain 4 (BRD4) and p300 were found in infected BMDMs. Upon silencing BRD4, expressions of miR146a-5p and M2 markers were down regulated and TRAF6, IRAK1 and iNOS levels increased. STRING V.11 based predication and immune precipitation confirmed the strong interaction amongst BRD4, p300 and RNA pol II (RpbI). Chromatin immune precipitation studies suggested the recruitment of BRD4 at the enhancer loci of miR146a-5p gene during infection. Altogether, our findings revealed a novel role of BRD4/p300-depdendent super-enhancer in regulating miR146a expression during L. donovani infection which in turn mediates M2 polarization and immune-suppression. Visceral leishmaniasis (VL), caused by protozoan parasites Leishmania donovani, is the most severe form of leishmaniasis and is highly lethal if left untreated. Major obstacle for successful therapy of VL originates from the life-long immune-suppression triggered in the post kala-azar dermal leishmaniasis (PKDL) patients during infection. Identification of molecular principles behind such immune-suppression will add success in VL therapeutics. L. donovani hijacks the host macrophages and converts them from pro-inflammatory M1 to immune-suppressive M2 type, which allows successful infection establishment. Herein, we explored the indispensable role of miRNA-146a-5p in conversion of M1 to M2 type during infection. Both in vitro and in vivo miRNA silencing established miR146a-5p as an imperative negative regulator ofM1 polarization. Computational analysis as well as immune precipitation based experiments authenticated that L. donovani induces super enhancer complex mediated transcriptional upregulation of miR146a-5p. BET bromodomain protein 4 (BRD4) forms this SE complex along with p300 histone acetyl transferase and RNA pol II. Silencing of BRD4 significantly abrogated miR146a-5p mediated M2 polarization. In short, our current findings established a previously unrecognized role of BRD4-depdendent super enhancers in orchestrating persistent transcription of macrophage miR146a-5p which in turn promotes M2 polarization during L. donovani infection.
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Affiliation(s)
- Sonali Das
- Infectious Diseases and Immunology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Sohitri Mukherjee
- Infectious Diseases and Immunology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Nahid Ali
- Infectious Diseases and Immunology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
- * E-mail:
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Jafari-Khataylou Y, Emami SJ, Mirzakhani N. Troxerutin attenuates inflammatory response in lipopolysaccharide-induced sepsis in mice. Res Vet Sci 2020; 135:469-478. [PMID: 33261826 DOI: 10.1016/j.rvsc.2020.11.020] [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: 06/04/2020] [Revised: 11/17/2020] [Accepted: 11/22/2020] [Indexed: 12/16/2022]
Abstract
Troxerutin (Tx), known as vitamin P4 is a derivative of natural bioflavonoid rutin. Tx possesses different biological activities such as antioxidant, anticancer, and anti-inflammatory. The current study was conducted to determine potential therapeutic effect of Tx in lipopolysaccharides (LPS)-induced sepsis in mice. In LPS-induced sepsis, the mice were treated intraperitoneally (ip) with Tx twice daily. Therapeutic effect was assessed by measuring serum level of cytokines, alanine aminotransferase (ALT) and lactate dehydrogenase (LDH). Level of nitric oxide (NO), superoxide dismutase (SOD), catalase (CAT), Myeloperoxidase (MPO) and Malondialdehyde (MDA) was measured. Expression of CD40 receptor on leucocytes was measured using flowcytometry. Splenocyte proliferation was evaluated using MTT assay. The effect of Tx on survival rate during administration of lethal dose of LPS was investigated. The results showed that Tx inhibited LPS induced NO production. Inflammatory pathways were suppressed by reduction of inflammatory cytokines production. Further, elevated CD40 expression of leucocytes and proliferation of splenocytes markedly reduced in Tx treated group. Antioxidant defense system was enhanced by increased activity of SOD and CAT and decreased level of MDA. MPO, ALT and LDH activity. Additionally, treatment with Tx significantly increased the mean survival time of mice compared with the LPS treated group. Histologically, Tx treatment decreased inflammatory cells infiltration and histopathologicl changes in the liver. Our findings showed that reduced inflammatory parameters, improved antioxidant activity, reduced histological lesions and increased survival rate. These findings suggest that Tx is an effective anti-inflammatory agent for the treatment of LPS-induced sepsis.
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Affiliation(s)
- Yaser Jafari-Khataylou
- Assistant Professor of Immunology, Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran.
| | - Seyyed Jamal Emami
- Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Navideh Mirzakhani
- Assistant Professor of Pathology, Department of Pathobiology, Faculty of Veterinary Medicine, Amol University of Special Modern Technologies, Amol, Iran
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Chen YC, Lee CP, Hsiao CC, Hsu PY, Wang TY, Wu CC, Chao TY, Leung SY, Chang YP, Lin MC. MicroRNA-23a-3p Down-Regulation in Active Pulmonary Tuberculosis Patients with High Bacterial Burden Inhibits Mononuclear Cell Function and Phagocytosis through TLR4/TNF-α/TGF-β1/IL-10 Signaling via Targeting IRF1/SP1. Int J Mol Sci 2020; 21:E8587. [PMID: 33202583 PMCID: PMC7697976 DOI: 10.3390/ijms21228587] [Citation(s) in RCA: 9] [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: 09/22/2020] [Revised: 10/29/2020] [Accepted: 11/11/2020] [Indexed: 12/16/2022] Open
Abstract
The aim of this study is to explore the role of microRNAs (miR)-21/23a/146a/150/155 targeting the toll-like receptor pathway in active tuberculosis (TB) disease and latent TB infection (LTBI). Gene expression levels of the five miRs and predicted target genes were assessed in peripheral blood mononuclear cells from 46 patients with active pulmonary TB, 15 subjects with LTBI, and 17 non-infected healthy subjects (NIHS). THP-1 cell lines were transfected with miR-23a-3p mimics under stimuli with Mycobacterium TB-specific antigens. Both miR-155-5p and miR-150-5p gene expressions were decreased in the active TB group versus the NIHS group. Both miR-23a-3p and miR-146a-5p gene expressions were decreased in active TB patients with high bacterial burden versus those with low bacterial burden or control group (LTBI + NIHS). TLR2, TLR4, and interleukin (IL)10 gene expressions were all increased in active TB versus NIHS group. MiR-23a-3p mimic transfection reversed ESAT6-induced reduction of reactive oxygen species generation, and augmented ESAT6-induced late apoptosis and phagocytosis, in association with down-regulations of the predicted target genes, including tumor necrosis factor (TNF)-α, TLR4, TLR2, IL6, IL10, Notch1, IL6R, BCL2, TGF-β1, SP1, and IRF1. In conclusion, the down-regulation of miR-23a-3p in active TB patients with high bacterial burden inhibited mononuclear cell function and phagocytosis through TLR4/TNF-α/TGF-β1/IL-10 signaling via targeting IRF1/SP1.
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Affiliation(s)
- Yung-Che Chen
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan; (C.P.L.); (C.-C.H.); (P.-Y.H.); (T.-Y.W.); (C.-C.W.); (T.-Y.C.); (S.-Y.L.); (Y.-P.C.)
- Department of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
| | - Chiu Ping Lee
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan; (C.P.L.); (C.-C.H.); (P.-Y.H.); (T.-Y.W.); (C.-C.W.); (T.-Y.C.); (S.-Y.L.); (Y.-P.C.)
| | - Chang-Chun Hsiao
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan; (C.P.L.); (C.-C.H.); (P.-Y.H.); (T.-Y.W.); (C.-C.W.); (T.-Y.C.); (S.-Y.L.); (Y.-P.C.)
- Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
| | - Po-Yuan Hsu
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan; (C.P.L.); (C.-C.H.); (P.-Y.H.); (T.-Y.W.); (C.-C.W.); (T.-Y.C.); (S.-Y.L.); (Y.-P.C.)
- Department of Medical Research, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
| | - Ting-Ya Wang
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan; (C.P.L.); (C.-C.H.); (P.-Y.H.); (T.-Y.W.); (C.-C.W.); (T.-Y.C.); (S.-Y.L.); (Y.-P.C.)
| | - Chao-Chien Wu
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan; (C.P.L.); (C.-C.H.); (P.-Y.H.); (T.-Y.W.); (C.-C.W.); (T.-Y.C.); (S.-Y.L.); (Y.-P.C.)
| | - Tung-Ying Chao
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan; (C.P.L.); (C.-C.H.); (P.-Y.H.); (T.-Y.W.); (C.-C.W.); (T.-Y.C.); (S.-Y.L.); (Y.-P.C.)
| | - Sum-Yee Leung
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan; (C.P.L.); (C.-C.H.); (P.-Y.H.); (T.-Y.W.); (C.-C.W.); (T.-Y.C.); (S.-Y.L.); (Y.-P.C.)
| | - Yu-Ping Chang
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan; (C.P.L.); (C.-C.H.); (P.-Y.H.); (T.-Y.W.); (C.-C.W.); (T.-Y.C.); (S.-Y.L.); (Y.-P.C.)
| | - Meng-Chih Lin
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan; (C.P.L.); (C.-C.H.); (P.-Y.H.); (T.-Y.W.); (C.-C.W.); (T.-Y.C.); (S.-Y.L.); (Y.-P.C.)
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The role of non-coding RNA on macrophage modification in tuberculosis infection. Microb Pathog 2020; 149:104592. [PMID: 33098931 DOI: 10.1016/j.micpath.2020.104592] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 10/20/2020] [Accepted: 10/20/2020] [Indexed: 02/06/2023]
Abstract
Tuberculosis (TB), a serious disease caused by Mycobacterium tuberculosis (Mtb), remains the world's top infectious killer. It is well-established that TB can circumvent the host's immune response for long-term survival. Macrophages serve as the major host cells for TB growth and persistence and their altered functions are critical for the response of the host defense against TB exposure (elimination, latency, reactivation, and bacillary dissemination). Noncoding RNAs are crucial posttranscriptional regulators of macrophage discrimination. Therefore, this review highlights the regulatory mechanism underlying the relationship between noncoding RNAs and macrophages in TB infection, which may facilitate the identification of potential therapeutic targets and effective diagnosis biomarkers for TB disease.
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Tuberculosis-Associated MicroRNAs: From Pathogenesis to Disease Biomarkers. Cells 2020; 9:cells9102160. [PMID: 32987746 PMCID: PMC7598604 DOI: 10.3390/cells9102160] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 09/20/2020] [Accepted: 09/23/2020] [Indexed: 12/25/2022] Open
Abstract
Tuberculosis (TB) caused by Mycobacterium tuberculosis is one of the most lethal infectious diseases with estimates of approximately 1.4 million human deaths in 2018. M. tuberculosis has a well-established ability to circumvent the host immune system to ensure its intracellular survival and persistence in the host. Mechanisms include subversion of expression of key microRNAs (miRNAs) involved in the regulation of host innate and adaptive immune response against M. tuberculosis. Several studies have reported differential expression of miRNAs during active TB and latent tuberculosis infection (LTBI), suggesting their potential use as biomarkers of disease progression and response to anti-TB therapy. This review focused on the miRNAs involved in TB pathogenesis and on the mechanism through which miRNAs induced during TB modulate cell antimicrobial responses. An attentive study of the recent literature identifies a group of miRNAs, which are differentially expressed in active TB vs. LTBI or vs. treated TB and can be proposed as candidate biomarkers.
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29
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Abreu R, Giri P, Quinn F. Host-Pathogen Interaction as a Novel Target for Host-Directed Therapies in Tuberculosis. Front Immunol 2020; 11:1553. [PMID: 32849525 PMCID: PMC7396704 DOI: 10.3389/fimmu.2020.01553] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 06/12/2020] [Indexed: 12/13/2022] Open
Abstract
Tuberculosis (TB) has been a transmittable human disease for many thousands of years, and M. tuberculosis is again the number one cause of death worldwide due to a single infectious agent. The intense 6- to 10-month process of multi-drug treatment, combined with the adverse side effects that can run the spectrum from gastrointestinal disturbances to liver toxicity or peripheral neuropathy are major obstacles to patient compliance and therapy completion. The consequent increase in multidrug resistant TB (MDR-TB) and extensively drug resistant TB (XDR-TB) cases requires that we increase our arsenal of effective drugs, particularly novel therapeutic approaches. Over the millennia, host and pathogen have evolved mechanisms and relationships that greatly influence the outcome of infection. Understanding these evolutionary interactions and their impact on bacterial clearance or host pathology will lead the way toward rational development of new therapeutics that favor enhancing a host protective response. These host-directed therapies have recently demonstrated promising results against M. tuberculosis, adding to the effectiveness of currently available anti-mycobacterial drugs that directly kill the organism or slow mycobacterial replication. Here we review the host-pathogen interactions during M. tuberculosis infection, describe how M. tuberculosis bacilli modulate and evade the host immune system, and discuss the currently available host-directed therapies that target these bacterial factors. Rather than provide an exhaustive description of M. tuberculosis virulence factors, which falls outside the scope of this review, we will instead focus on the host-pathogen interactions that lead to increased bacterial growth or host immune evasion, and that can be modulated by existing host-directed therapies.
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Affiliation(s)
| | | | - Fred Quinn
- Department of Infectious Diseases, University of Georgia, Athens, GA, United States
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MicroRNAs as new immunity regulators in viral and bacterial infections. ACTA BIOLOGICA 2020. [DOI: 10.18276/ab.2020.27-09] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Abstract
Paratuberculosis and bovine tuberculosis are two mycobacterial diseases of ruminants which have a considerable impact on livestock health, welfare, and production. These are chronic "iceberg" diseases which take years to manifest and in which many subclinical cases remain undetected. Suggested biomarkers to detect infected or diseased animals are numerous and include cytokines, peptides, and expression of specific genes; however, these do not provide a strong correlation to disease. Despite these advances, disease detection still relies heavily on dated methods such as detection of pathogen shedding, skin tests, or serology. Here we review the evidence for suitable biomarkers and their mechanisms of action, with a focus on identifying animals that are resilient to disease. A better understanding of these factors will help establish new strategies to control the spread of these diseases.
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Wang Y, Chen C, Xu XD, Li H, Cheng MH, Liu J, Tang LJ. Levels of miR-125a-5p are altered in Mycobacterium avium-infected macrophages and associate with the triggering of an autophagic response. Microbes Infect 2019; 22:31-39. [PMID: 31349052 DOI: 10.1016/j.micinf.2019.07.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 03/18/2019] [Accepted: 07/12/2019] [Indexed: 12/21/2022]
Abstract
Macrophages are major pathogen-killing cells. Mycobacteria can represent a serious threat to human health, in particular Mycobacterium tuberculosis and, less so, the opportunistic Mycobacterium avium. They can cause disseminated infections because of their capacity to survive and proliferate within macrophage phagolysosomes. Accumulating evidence indicates that the regulation of miRNA expression is implicated in the mechanisms of defense of macrophages against mycobacterial infections. Nevertheless, the precise contribution of miRNAs is largely unknown. The present study analyzes the expression profile of miRNAs during M. avium infection of macrophages by means of microarrays. We detected that the levels of 23 miRNAs were significantly changed ≥2.5-fold 24 h after M. avium infection. In particular, MiR-125a-5p was found to be highly expressed as part of the known immunological response of macrophages to bacterial or viral infections. MiR-125a-5p overexpression inhibited the expression of target signal transducers and activators of transcription 3 (STAT3) in THP-1 cells. Conversely, inhibitors of miR-125a-5p had the opposite effect. Silencing of STAT3 significantly enhanced the level of autophagy in both uninfected and M. avium-infected cells. Overexpression of miR-125a-5p significantly increased autophagy and decreased M. avium survival within THP-1 cells. Instead, co-transfection with miR-125a-5p mimic and a human STAT3 expressing construct reversed the effects: autophagy decreased and intracellular bactericidal survival was improved. Taken together, our findings indicate that miR-125a-5p participates in the regulation of innate host defenses by targeting STAT3 and enhancing autophagy levels. The results reported here contribute to a better understanding of host defense mechanisms against mycobacterial infections and offer some clues about their control.
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Affiliation(s)
- Yang Wang
- School of Life Science, Central South University, Changsha, Hunan, China
| | - Cai Chen
- School of Life Science, Central South University, Changsha, Hunan, China
| | - Xiao-Dan Xu
- School of Life Science, Central South University, Changsha, Hunan, China
| | - Hui Li
- School of Life Science, Central South University, Changsha, Hunan, China
| | - Ming-Hua Cheng
- School of Life Science, Central South University, Changsha, Hunan, China
| | - Jing Liu
- School of Life Science, Central South University, Changsha, Hunan, China.
| | - Li-Jun Tang
- School of Life Science, Central South University, Changsha, Hunan, China.
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Zhang Y, Zhang X, Zhao Z, Zheng Y, Xiao Z, Li F. Integrated bioinformatics analysis and validation revealed potential immune-regulatory miR-892b, miR-199b-5p and miR-582-5p as diagnostic biomarkers in active tuberculosis. Microb Pathog 2019; 134:103563. [PMID: 31175974 DOI: 10.1016/j.micpath.2019.103563] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Revised: 05/21/2019] [Accepted: 05/31/2019] [Indexed: 01/16/2023]
Abstract
Tuberculosis (TB) is one of the most prevalent pulmonary diseases caused by Mycobacterium tuberculosis (Mtb). MiRNAs (miRNAs) participate in TB progression by modulating the host-pathogen interaction. Bioinformatics advancements provide basis for exploring novel immunoregulatory miRNAs and their performance as diagnostic biomarkers. Gene and miRNA expression datasets, GSE29190 and GSE54992, were downloaded from Gene Expression Omnibus (GEO) database. Based on fold changes and statistical significance, a total of 7463 differentially expressed mRNAs (DE-mRNAs) and 38 differentially expressed miRNAs (DE-miRNAs) were screened. Function annotation and protein-protein interaction (PPI) network were constructed to reveal underlying mechanisms of TB pathogenesis. Functional annotation identified the MAPK signalling pathway and leukocyte migration as the top enriched processes. The PPI and MGIP networks indicated that chemokine ligands like CXCL1/CXCL2 and receptors, like CCR7 were important down-regulated genes, implying that a protective mechanism against overdue inflammation induced cell death. MiRNA-gene-immune processes (MGIP) network enriched 7 deregulated miRNAs, and their expression was further examined with quantitative real-time PCR (qRT-PCR), in PBMC samples of 20 active TB patients and 20 healthy donors. The diagnostic performance was evaluated with ROC curves. MiR-892b; miR-199b-5p and miR-582-5p were significantly deregulated in TB patients, compared with healthy participants. The best overall performance was from miR-892b, with an area under curve (AUC) of 0.77, 55% sensitivity and 90% specificity. AUC of miR-199b-5p and miR-582-5p were 0.71 and 0.70, respectively. MiR-892b, miR-199b-5p and miR-582-5p could be considered promising novel diagnostic biomarkers for active tuberculosis.
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Affiliation(s)
- Yunbin Zhang
- Department of Respirology, Shanghai Public Health Clinical Center, Fudan University, Shanghai, 201508, China; Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai, 200031, China
| | - Xiaolin Zhang
- Department of Respirology, Shanghai Public Health Clinical Center, Fudan University, Shanghai, 201508, China
| | - Zhangyan Zhao
- Department of Respirology, Shanghai Public Health Clinical Center, Fudan University, Shanghai, 201508, China
| | - Yuling Zheng
- Department of Respirology, Shanghai Public Health Clinical Center, Fudan University, Shanghai, 201508, China
| | - Zhen Xiao
- College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China.
| | - Feng Li
- Department of Respirology, Shanghai Public Health Clinical Center, Fudan University, Shanghai, 201508, China.
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Zhang L, Fu Y, Wang H, Guan Y, Zhu W, Guo M, Zheng N, Wu Z. Severe Fever With Thrombocytopenia Syndrome Virus-Induced Macrophage Differentiation Is Regulated by miR-146. Front Immunol 2019; 10:1095. [PMID: 31156641 PMCID: PMC6529556 DOI: 10.3389/fimmu.2019.01095] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 04/29/2019] [Indexed: 12/16/2022] Open
Abstract
Severe fever with thrombocytopenia syndrome (SFTS) is an emerging hemorrhagic fever with a high mortality rate in humans, which is caused by SFTS virus (SFTSV), a novel phlebovirus in the Bunyaviridae family, is tick borne and endemic in Eastern Asia. Previous study found that SFTSV can infect and replicate in macrophages in vivo and in vitro. However, the role of macrophages in virus replication and the potential pathogenic mechanisms of SFTSV in macrophage remain unclear. In this study, we provided evidence that the SFTSV infection drove macrophage differentiation skewed to M2 phenotype, facilitated virus shedding, and resulted in viral spread. We showed evidence that miR-146a and b were significantly upregulated in macrophages during the SFTSV infection, driving the differentiation of macrophages into M2 cells by targeting STAT1. Further analysis revealed that the elevated miR-146b but not miR-146a was responsible for IL-10 stimulation. We also found that SFTSV increased endogenous miR-146b-induced differentiation of macrophages into M2 cells mediated by viral non-structural protein (NSs). The M2 skewed differentiation of macrophages may have important implication to the pathogenesis of SFTS.
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Affiliation(s)
- Li Zhang
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China
| | - Yuxuan Fu
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China
| | - Huanru Wang
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China
| | - Yajie Guan
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China
| | - Weiwen Zhu
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
| | - Mengdi Guo
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China
| | - Nan Zheng
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China
| | - Zhiwei Wu
- Center for Public Health Research, Medical School, Nanjing University, Nanjing, China.,State Key Lab of Analytical Chemistry for Life Science, Nanjing University, Nanjing, China.,Jiangsu Key Laboratory of Molecular Medicine, Medical School, Nanjing University, Nanjing, China
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Zhang Z, Li H, Zhao Z, Gao B, Meng L, Feng X. miR-146b level and variants is associated with endometriosis related macrophages phenotype and plays a pivotal role in the endometriotic pain symptom. Taiwan J Obstet Gynecol 2019; 58:401-408. [DOI: 10.1016/j.tjog.2018.12.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/04/2018] [Indexed: 12/13/2022] Open
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36
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Host and MTB genome encoded miRNA markers for diagnosis of tuberculosis. Tuberculosis (Edinb) 2019; 116:37-43. [PMID: 31153517 DOI: 10.1016/j.tube.2019.04.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 02/26/2019] [Accepted: 04/16/2019] [Indexed: 02/08/2023]
Abstract
MicroRNAs (miRNAs) are a class of noncoding RNA molecules which are involved in various cellular and physiological processes. Previously, studies have identified several miRNAs that are potential diagnostic biomarkers for various infectious diseases including tuberculosis. We have performed small RNA sequencing using the Ion Torrent PGM platform in extra pulmonary tuberculosis (EPTB) subject's serum samples to identify circulating miRNAs during mycobacterium tuberculosis (MTB) infection. Our analysis identified 20 circulating miRNAs upregulated and 5 miRNAs downregulated during MTB infection in patient's serum. In addition, we have identified 6 MTB genome encoded miRNAs upregulated in EPTB patient's serum samples. Taqman based qRT-PCR analysis of host-genome encoded (hsa-miR-146a-5p and hsa-miR-125b-5p) and MTB genome encoded (MTB-miR5) miRNAs showed increased expression in a cohort of 52 healthy, pulmonary tuberculosis (PTB) and extra pulmonary tuberculosis (EPTB) patients serum samples. Our study identified for the first time a panel of host and MTB genome specific differentially expressed circulating miRNAs in serum samples of an Indian patient cohort with tuberculosis infection with a potential as a non-invasive diagnostic biomarker for tuberculosis infection.
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Ma H, Zhang S, Xu Y, Zhang R, Zhang X. Analysis of differentially expressed microRNA of TNF-α-stimulated mesenchymal stem cells and exosomes from their culture supernatant. Arch Med Sci 2018; 14:1102-1111. [PMID: 30154894 PMCID: PMC6111343 DOI: 10.5114/aoms.2017.70878] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Accepted: 09/06/2017] [Indexed: 02/03/2023] Open
Abstract
INTRODUCTION To analyze the microRNA expression of tumor necrosi factor α (TNF-α) stimulated mesenchymal stem cells (MSCs) and exosomes from their culture supernatant. MATERIAL AND METHODS TNF-α (20 ng/ml) was used to stimulate MSCs, which were then regarded as TNF-α cells (TC), while unstimulated cells were the normal control cells (NCC). MSCs and their culture supernatant were harvested after 48 h. Subsequently, exosomes were isolated from culture supernatants with ExoQuick-TC and were divided into two groups, TNF-α exosomes (TE) and normal control exosomes (NCE). Then, the microRNAs were measured by high-throughput sequencing and the results were differentially analyzed. Finally, the correlation of the target genes corresponding to differently expressed microRNAs was analyzed by gene ontology (GO) and KEGG pathway analysis. RESULTS High-throughput sequencing showed that the cellular compartment (TC vs. NCC) had 280 microRNAs. miR-146a-5p was a uniquely up-regulated microRNA (p < 0.001) and the most significantly down-regulated microRNA among the 279 microRNAs included was miR-150-5p (p < 0.001). There were 180 differentially expressed microRNAs in the exosome compartment (TE vs. NCE), where miR-146-5p (p < 0.001) was one of 176 upregulated microRNAs and miR-203b-5p (p < 0.001) was one of 4 downregulated microRNAs. Coincidentally, bioinformatics analysis showed that IRAK1 was a critical target gene of miR-146-5p related to the Toll-like receptor (TLR) signaling pathway. CONCLUSIONS In contrast with the control group, there were significantly differentially expressed microRNAs in both MSCs and exosomes. Interestingly, miR-146a-5p was up-regulated in both comparative groups, and its target gene IRAK1 plays a crucial part in the TLR signaling pathway. These investigations demonstrate a new direction for subsequent inflammation mechanistic studies.
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Affiliation(s)
- Hualin Ma
- Department of Nephrology, Shenzhen People’s Hospital, Shenzhen Key Laboratory of Kidney Disease, Second Clinical Medical College, Jinan University, Shenzhen, China
| | - Shuyan Zhang
- Department of Nephrology, Shenzhen People’s Hospital, Shenzhen Key Laboratory of Kidney Disease, Second Clinical Medical College, Jinan University, Shenzhen, China
| | - Ying Xu
- Department of Hematology, Shenzhen People’s Hospital, Second Clinical Medical College, Jinan University, Shenzhen, China
| | - Rongrong Zhang
- Department of Nephrology, Shenzhen People’s Hospital, Shenzhen Key Laboratory of Kidney Disease, Second Clinical Medical College, Jinan University, Shenzhen, China
| | - Xinzhou Zhang
- Department of Nephrology, Shenzhen People’s Hospital, Shenzhen Key Laboratory of Kidney Disease, Second Clinical Medical College, Jinan University, Shenzhen, China
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Tahamtan A, Teymoori-Rad M, Nakstad B, Salimi V. Anti-Inflammatory MicroRNAs and Their Potential for Inflammatory Diseases Treatment. Front Immunol 2018; 9:1377. [PMID: 29988529 PMCID: PMC6026627 DOI: 10.3389/fimmu.2018.01377] [Citation(s) in RCA: 242] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 06/04/2018] [Indexed: 12/27/2022] Open
Abstract
Inflammation is a complicated biological and pathophysiological cascade of responses to infections and injuries, and inflammatory mechanisms are closely related to many diseases. The magnitude, the complicated network of pro- and anti-inflammatory factors, and the direction of the inflammatory response can impact on the development and progression of various disorders. The currently available treatment strategies often target the symptoms and not the causes of inflammatory disease and may often be ineffective. Since the onset and termination of inflammation are crucial to prevent tissue damage, a range of mechanisms has evolved in nature to regulate the process including negative and positive feedback loops. In this regard, microRNAs (miRNAs) have emerged as key gene regulators to control inflammation, and it is speculated that they are fine-tune signaling regulators to allow for proper resolution and prevent uncontrolled progress of inflammatory reactions. In this review, we discuss recent findings related to significant roles of miRNAs in immune regulation, especially the potential utility of these molecules as novel anti-inflammatory agents to treat inflammatory diseases. Furthermore, we discuss the possibilities of using miRNAs as drugs in the form of miRNA mimics or miRNA antagonists.
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Affiliation(s)
- Alireza Tahamtan
- Infectious Diseases Research Centre, Golestan University of Medical Sciences, Gorgan, Iran.,Department of Microbiology, School of Medicine, Golestan University of Medical Sciences, Gorgan, Iran
| | - Majid Teymoori-Rad
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Britt Nakstad
- Department of Pediatric and Adolescent Medicine, Akershus University Hospital, Lørenskog, Norway.,Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Vahid Salimi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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miRNAs reshape immunity and inflammatory responses in bacterial infection. Signal Transduct Target Ther 2018; 3:14. [PMID: 29844933 PMCID: PMC5968033 DOI: 10.1038/s41392-018-0006-9] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 11/20/2017] [Accepted: 12/10/2017] [Indexed: 12/15/2022] Open
Abstract
Pathogenic bacteria cause various infections worldwide, especially in immunocompromised and other susceptible individuals, and are also associated with high infant mortality rates in developing countries. MicroRNAs (miRNAs), small non-coding RNAs with evolutionarily conserved sequences, are expressed in various tissues and cells that play key part in various physiological and pathologic processes. Increasing evidence implies roles for miRNAs in bacterial infectious diseases by modulating inflammatory responses, cell penetration, tissue remodeling, and innate and adaptive immunity. This review highlights some recent intriguing findings, ranging from the correlation between aberrant expression of miRNAs with bacterial infection progression to their profound impact on host immune responses. Harnessing of dysregulated miRNAs in bacterial infection may be an approach to improving the diagnosis, prevention and therapy of infectious diseases. Changes in production of tiny cellular RNAs in response to bacterial infection could guide the development of better diagnostics and therapies. MicroRNAs regulate other genes by binding to messenger RNA strands and controlling their translation into proteins. Xikun Zhou, Min Wu and colleagues of the University of North Dakota have now reviewed current knowledge about how microRNA levels shift during infection with various bacterial pathogens. These microRNAs can modulate the immune response as well as pathways that influence metabolic activity and cell survival. Increasing studies have indicated that shifts in microRNA levels in response to different infections could provide a potential bacterial ‘fingerprint’ for achieving accurate diagnosis. With deeper insight into how different microRNAs influence infection, it might one day day become possible to target these molecules with ‘antisense’ or ‘agonist’ drugs that modulate their activity.
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40
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Radović N, Nikolić Jakoba N, Petrović N, Milosavljević A, Brković B, Roganović J. MicroRNA-146a and microRNA-155 as novel crevicular fluid biomarkers for periodontitis in non-diabetic and type 2 diabetic patients. J Clin Periodontol 2018. [PMID: 29517812 DOI: 10.1111/jcpe.12888] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
AIM Recent studies point at the crucial role of epigenetic mechanisms in the development of multifactorial diseases such as periodontitis and diabetes mellitus (DM) type 2. In addition, circulatory microRNAs (miRs) have emerged as novel biomarkers for various diseases. Aim of this study was to investigate the levels of miR-146a and miR-155 and superoxide dismutase (SOD) activity in gingival crevicular fluid (GCF) of periodontitis patients with (CPDM) and without (CP) DM type 2 as well as in periodontally healthy, control groups (PHDM and PH, respectively). MATERIAL AND METHODS miR modulation was analysed using quantitative real-time PCR while SOD activity was measured spectrophotometrically. RESULTS The upregulation of miR-146a and miR-155 was observed in CP and CPDM patients' baseline, while the levels decreased after 6 weeks of the non-surgical therapy to the levels comparable to PH and PHDM, respectively. Expression levels of miRs positively correlated with SOD activity. Levels of miR-146a were higher in PHDM compared to PH patients. Multivariate analysis revealed that levels of miR-146a and miR-155 were significantly associated with periodontitis when adjusting for age and gender. CONCLUSIONS miR-146a and miR-155 may be considered as possible novel biomarkers for periodontitis in non-diabetic and type 2 diabetic patients.
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Affiliation(s)
- Nikola Radović
- Department of Periodontology, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Nataša Nikolić Jakoba
- Department of Periodontology, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Nina Petrović
- Department of Radiobiology and Molecular Genetics, Institute of Nuclear Sciences Vinca, University of Belgrade, Belgrade, Serbia.,Institute for Oncology and Radiology of Serbia, Belgrade, Serbia
| | - Aleksandra Milosavljević
- Department of Pharmacology in Dentistry, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Božidar Brković
- Department of Oral Surgery, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
| | - Jelena Roganović
- Department of Pharmacology in Dentistry, School of Dental Medicine, University of Belgrade, Belgrade, Serbia
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Liang S, Song Z, Wu Y, Gao Y, Gao M, Liu F, Wang F, Zhang Y. MicroRNA-27b Modulates Inflammatory Response and Apoptosis during Mycobacterium tuberculosis Infection. THE JOURNAL OF IMMUNOLOGY 2018; 200:3506-3518. [PMID: 29661829 DOI: 10.4049/jimmunol.1701448] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 03/13/2018] [Indexed: 12/29/2022]
Abstract
Mycobacterium tuberculosis poses a significant global health threat. MicroRNAs play an important role in regulating host anti-mycobacterial defense; however, their role in apoptosis-mediated mycobacterial elimination and inflammatory response remains unclear. In this study, we explored the role of microRNA-27b (miR-27b) in murine macrophage responses to M. tuberculosis infection. We uncovered that the TLR-2/MyD88/NF-κB signaling pathway induced the expression of miR-27b and miR-27b suppressed the production of proinflammatory factors and the activity of NF-κB, thereby avoiding an excessive inflammation during M. tuberculosis infection. Luciferase reporter assay and Western blotting showed that miR-27b directly targeted Bcl-2-associated athanogene 2 (Bag2) in macrophages. Overexpression of Bag2 reversed miR-27b-mediated inhibition of the production of proinflammatory factors. In addition, miR-27b increased p53-dependent cell apoptosis and the production of reactive oxygen species and decreased the bacterial burden. We also showed that Bag2 interacts with p53 and negatively regulates its activity, thereby controlling cell apoptosis and facilitating bacterial survival. In summary, we revealed a novel role of the miR-27b/Bag2 axis in the regulation of inflammatory response and apoptosis and provide a potential molecular host defense mechanism against mycobacteria.
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Affiliation(s)
- Shuxin Liang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, China.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling 712100, Shaanxi, China; and
| | - Zhigang Song
- Department of Pathogen Diagnosis and Biosafety, Shanghai Public Health Clinical Center, Fudan University, Shanghai 201508, China
| | - Yongyan Wu
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, China.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling 712100, Shaanxi, China; and
| | - Yuanpeng Gao
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, China.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling 712100, Shaanxi, China; and
| | - Mingqing Gao
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, China.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling 712100, Shaanxi, China; and
| | - Fayang Liu
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, China.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling 712100, Shaanxi, China; and
| | - Fengyu Wang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, China.,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling 712100, Shaanxi, China; and
| | - Yong Zhang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, Shaanxi, China; .,Key Laboratory of Animal Biotechnology, Ministry of Agriculture, Northwest A&F University, Yangling 712100, Shaanxi, China; and
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42
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Sabir N, Hussain T, Shah SZA, Peramo A, Zhao D, Zhou X. miRNAs in Tuberculosis: New Avenues for Diagnosis and Host-Directed Therapy. Front Microbiol 2018; 9:602. [PMID: 29651283 PMCID: PMC5885483 DOI: 10.3389/fmicb.2018.00602] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Accepted: 03/15/2018] [Indexed: 12/30/2022] Open
Abstract
Tuberculosis (TB) is one of the most fatal infectious diseases and a leading cause of mortality, with 95% of these deaths occurring in developing countries. The causative agent, Mycobacterium tuberculosis (Mtb), has a well-established ability to circumvent the host's immune system for its intracellular survival. microRNAs (miRNAs) are small, non-coding RNAs having an important function at the post-transcriptional level and are involved in shaping immunity by regulating the repertoire of genes expressed in immune cells. It has been established in recent studies that the innate immune response against TB is significantly regulated by miRNAs. Moreover, differential expression of miRNA in Mtb infection can reflect the disease progression and may help distinguish between active and latent TB infection (LTBI). These findings encouraged the application of miRNAs as potential biomarkers. Similarly, active participation of miRNAs in modulation of autophagy and apoptosis responses against Mtb opens an exciting avenue for the exploitation of miRNAs as host directed therapy (HDT) against TB. Nanoparticles mediated delivery of miRNAs to treat various diseases has been reported and this technology has a great potential to be used in TB. In reality, this exploitation of miRNAs as biomarkers and in HDT is still in its infancy stage, and more studies using animal models mimicking human TB are advocated to assess the role of miRNAs as biomarkers and therapeutic targets. In this review, we attempt to summarize the recent advancements in the role of miRNAs in TB as immune modulator, miRNAs' capability to distinguish between active and latent TB and, finally, usage of miRNAs as therapeutic targets against TB.
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Affiliation(s)
| | | | | | | | | | - Xiangmei Zhou
- State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing, China
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43
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MicroRNA-146a Deficiency Protects against Listeria monocytogenes Infection by Modulating the Gut Microbiota. Int J Mol Sci 2018; 19:ijms19040993. [PMID: 29587465 PMCID: PMC5979314 DOI: 10.3390/ijms19040993] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Revised: 03/15/2018] [Accepted: 03/24/2018] [Indexed: 12/21/2022] Open
Abstract
The gut microbiota and microRNAs play important roles in the defense against infection. However, the role of miR-146a in L. monocytogenes infection and gut microbiota remains unclear. We tried to determine whether miR-146a controlled L. monocytogenes infection by regulating the gut microbiota. Wild-type and miR-146a-deficient mice or macrophages were used to characterize the impact of miR-146a on animal survival, cell death, bacterial clearance, and gut microbiota following L. monocytogenes challenge. We found that L. monocytogenes infection induced miR-146a expression both in vitro and in vivo. When compared to wild-type mice, miR-146a-deficient mice were more resistant to L. monocytogenes infection. MiR-146a deficiency in macrophages resulted in reduced invasion and intracellular survival of L. monocytogenes. High-throughput sequencing of 16S rRNA revealed that the gut microbiota composition differed between miR-146a-deficient and wild-type mice. Relative to wild-type mice, miR-146a-deficient mice had decreased levels of the Proteobacteria phylum, Prevotellaceae family, and Parasutterella genus, and significantly increased short-chain fatty acid producing bacteria, including the genera Alistipes, Blautia, Coprococcus_1, and Ruminococcus_1. Wild-type mice co-housed with miR-146a-deficient mice had increased resistance to L. monocytogenes, indicating that miR-146a deficiency guides the gut microbiota to alleviate infection. Together, these results suggest that miR-146a deficiency protects against L. monocytogenes infection by regulating the gut microbiota.
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44
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Jingjing Z, Nan Z, Wei W, Qinghe G, Weijuan W, Peng W, Xiangpeng W. MicroRNA-24 Modulates Staphylococcus aureus-Induced Macrophage Polarization by Suppressing CHI3L1. Inflammation 2018; 40:995-1005. [PMID: 28303416 DOI: 10.1007/s10753-017-0543-3] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Macrophages play a crucial role in host innate anti-Staphylococcus aureus defense, which is tightly regulated by multiple factors, including microRNAs. A recent study showed that miR-24 plays an important role in macrophage polarization. Here, we investigated the biological function of miR-24 in S. aureus-stimulated macrophages. The results revealed that miR-24 expression was significantly decreased in both human and mouse macrophage cell lines with S. aureus stimulation in a time-dependent manner. Moreover, miR-24 overexpression significantly decreased the production of M1 phenotype markers, such as IL-6, iNOS, TNF-α, CD86, and CD80, whereas it increased the production of M2 markers, such as Arg1, CCL17, CCL22, CD163, and CD206, in S. aureus-stimulated macrophages. Conversely, knockdown of miR-24 promoted M1 macrophage polarization but diminished M2 macrophage polarization in S. aureus-stimulated macrophages. Furthermore, CHI3L1 was predicted as a target gene of miR-24 using bioinformatics software and identified by luciferase reporter assay. Additionally, miR-24 overexpression inhibited CHI3L1 expression and downregulated the downstream MAPK pathway in S. aureus-stimulated macrophages. Finally, CHI3L1 overexpression rescued macrophage polarization and MAPK pathway inhibition induced by miR-24 mimic transfection in S. aureus-stimulated macrophages. In conclusion, the data suggest that miR-24 serves as a molecular regulator in S. aureus-induced macrophage polarization through targeting of CHI3L1 and regulation of the MAPK pathway, which may provide a promising therapeutic target for S. aureus-related infections and inflammatory diseases.
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Affiliation(s)
- Zhang Jingjing
- Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine in Henan Province, School of Laboratory Medicine, Xinxiang Medical University, No. 601 Jinsui Road, Hongqi District, Xinxiang, 453003, Henan Province, China
| | - Zhang Nan
- Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Wu Wei
- The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Guo Qinghe
- Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine in Henan Province, School of Laboratory Medicine, Xinxiang Medical University, No. 601 Jinsui Road, Hongqi District, Xinxiang, 453003, Henan Province, China
| | - Wang Weijuan
- The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Wang Peng
- The Third Affiliated Hospital of Xinxiang Medical University, Xinxiang, 453003, Henan Province, China
| | - Wang Xiangpeng
- Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine in Henan Province, School of Laboratory Medicine, Xinxiang Medical University, No. 601 Jinsui Road, Hongqi District, Xinxiang, 453003, Henan Province, China.
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circFGFR4 Promotes Differentiation of Myoblasts via Binding miR-107 to Relieve Its Inhibition of Wnt3a. MOLECULAR THERAPY. NUCLEIC ACIDS 2018; 11:272-283. [PMID: 29858062 PMCID: PMC5992882 DOI: 10.1016/j.omtn.2018.02.012] [Citation(s) in RCA: 114] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 02/25/2018] [Accepted: 02/27/2018] [Indexed: 12/19/2022]
Abstract
Muscle development is regulated under a series of complicate processes, and non-coding RNAs, such as microRNAs (miRNAs) and circular RNAs (circRNAs), have been reported to play important roles in regulating myoblast proliferation and differentiation. We found that miR-107 expression was high in skeletal muscle of Qinchuan cattle. Overexpression of miR-107 inhibited bovine myoblasts differentiation and protected cells from apoptosis. Wnt3a was identified as a target of miR-107 by luciferase activity, real-time qPCR, and western blotting assays. Knockdown of Wnt3a inhibited bovine myoblasts differentiation and apoptosis, and this effect was similar to miR-107 overexpression. We also found circFGFR4 to promote myoblasts differentiation and to induce cell apoptosis. Via luciferase screening and RNA pull-down assays, circFGFR4 was observed to sponge miR-107. Overexpression of circFGFR4 increased the expression of Wnt3a, whereas this effect was abolished by miR-107. These results demonstrated that circFGFR4 binding miR-107 promotes cell differentiation via targeting Wnt3a in bovine primary myoblasts.
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Etna MP, Sinigaglia A, Grassi A, Giacomini E, Romagnoli A, Pardini M, Severa M, Cruciani M, Rizzo F, Anastasiadou E, Di Camillo B, Barzon L, Fimia GM, Manganelli R, Coccia EM. Mycobacterium tuberculosis-induced miR-155 subverts autophagy by targeting ATG3 in human dendritic cells. PLoS Pathog 2018; 14:e1006790. [PMID: 29300789 PMCID: PMC5771628 DOI: 10.1371/journal.ppat.1006790] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 01/17/2018] [Accepted: 12/05/2017] [Indexed: 12/30/2022] Open
Abstract
Autophagy is a primordial eukaryotic pathway, which provides the immune system with multiple mechanisms for the elimination of invading pathogens including Mycobacterium tuberculosis (Mtb). As a consequence, Mtb has evolved different strategies to hijack the autophagy process. Given the crucial role of human primary dendritic cells (DC) in host immunity control, we characterized Mtb-DC interplay by studying the contribution of cellular microRNAs (miRNAs) in the post-transcriptional regulation of autophagy related genes. From the expression profile of de-regulated miRNAs obtained in Mtb-infected human DC, we identified 7 miRNAs whose expression was previously found to be altered in specimens of TB patients. Among them, gene ontology analysis showed that miR-155, miR-155* and miR-146a target mRNAs with a significant enrichment in biological processes linked to autophagy. Interestingly, miR-155 was significantly stimulated by live and virulent Mtb and enriched in polysome-associated RNA fraction, where actively translated mRNAs reside. The putative pair interaction among the E2 conjugating enzyme involved in LC3-lipidation and autophagosome formation-ATG3-and miR-155 arose by target prediction analysis, was confirmed by both luciferase reporter assay and Atg3 immunoblotting analysis of miR-155-transfected DC, which showed also a consistent Atg3 protein and LC3 lipidated form reduction. Late in infection, when miR-155 expression peaked, both the level of Atg3 and the number of LC3 puncta per cell (autophagosomes) decreased dramatically. In accordance, miR-155 silencing rescued autophagosome number in Mtb infected DC and enhanced autolysosome fusion, thereby supporting a previously unidentified role of the miR-155 as inhibitor of ATG3 expression. Taken together, our findings suggest how Mtb can manipulate cellular miRNA expression to regulate Atg3 for its own survival, and highlight the importance to develop novel therapeutic strategies against tuberculosis that would boost autophagy. Mycobacterium tuberculosis (Mtb) is one of the most successful pathogens in human history and remains the second leading cause of death from an infectious agent worldwide. The major reason of Mtb success relies on its ability to evade host immunity. Autophagy, a cellular mechanism involved in intracellular pathogen elimination, is one of the pathways hijacked by Mtb to elude the control of dendritic cells (DC), major cellular effectors of immune response. Recently, it has become clear that Mtb infection not only alters cellular gene expression, but also controls the level of small RNA molecules, namely microRNAs (miRNAs), which function as negative regulators of mRNA translation into protein. In the present study, we observed that the infection of human DC with Mtb leads to a strong induction of host miR-155, a critical regulator of host immune response. By mean of miR-155 induction, Mtb reduces Atg3 protein content, a crucial enzyme needed for the initial phase of the autophagic process. Interestingly, miR-155 silencing during Mtb infection restores Atg3 level and rescues autophagy. These findings contribute to better elucidate Mtb-triggered escape mechanisms and highlight the importance to develop host-directed therapies to combat tuberculosis based on autophagy boosting.
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Affiliation(s)
- Marilena P. Etna
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | | | - Angela Grassi
- Department of Information Engineering, University of Padova, Padua, Italy
- Department of Surgery, Oncology and Gastroenterology, University of Padova, Padua, Italy
| | - Elena Giacomini
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | | | - Manuela Pardini
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Martina Severa
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Melania Cruciani
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Fabiana Rizzo
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Eleni Anastasiadou
- Department of Pathology, Institute for RNA Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States of America
| | - Barbara Di Camillo
- Department of Information Engineering, University of Padova, Padua, Italy
| | - Luisa Barzon
- Department of Molecular Medicine, University of Padova, Padua, Italy
| | - Gian Maria Fimia
- National Institute for Infectious Diseases "L. Spallanzani”, Rome, Italy
- Department of Biological and Environmental Science and Technology, University of Salento, Lecce, Italy
| | | | - Eliana M. Coccia
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
- * E-mail:
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Peng W, Sun Y, Li GF, He LG, Li RZ, Liang YS, Ding X, Yu X, Zhang Y, Lin HR, Lu DQ. Two Distinct Interferon-γ in the Orange-Spotted Grouper ( Epinephelus coioides): Molecular Cloning, Functional Characterization, and Regulation in Toll-Like Receptor Pathway by Induction of miR-146a. Front Endocrinol (Lausanne) 2018; 9:41. [PMID: 29535680 PMCID: PMC5834515 DOI: 10.3389/fendo.2018.00041] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Interferon gamma (IFNγ) is a Th1 cytokine that is critical for innate and adaptive immunity. Toll-like receptors (TLRs) signaling pathways are critical in early host defense against invading pathogens. miR-146a has been reported to participate in the regulation of host immunity. The known mechanisms of integrations between the IFNγ and TLR signaling pathways are incompletely understood, especially in teleosts. In this study, orange-spotted grouper (Epinephelus coioides) IFNγ1 and IFNγ2, their biological activities, especially their involvements in TLR pathway, were explored. We identified and cloned two IFNγ genes of E. coioides, namely EcIFNγ1 and EcIFNγ2. The produced recombinant E. coioides IFNγ1 (rEcIFNγ1) and IFNγ2 (rEcIFNγ2) proteins showed functions, which are similar to those of other bony fishes, such as enhancing nitric oxide responses and respiratory burst response. rEcIFNγ2 could regulate TLR pathway by enhancing the promoter activity of miR-146a upstream sequence and thus increasing the expression level of miR-146a, which possibly targets TNF receptor-associated factor 6 (TRAF6), a key adapter molecule in TLR signaling pathway. Taken together, these findings unravel a novel regulatory mechanism of anti-inflammatory response by IFNγ2, which could mediate TLR pathway through IFNγ2-miR-146a-TRAF6 negative regulation loop. It is suggested that IFNγ2 may provide a promising therapeutic, which may help to fine tune the immune response.
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Affiliation(s)
- Wan Peng
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals, Guangdong Provincial Key Laboratory for Aquatic Economic Animals, College of Life Sciences, Sun Yat-Sen University, Guangzhou, China
- Sun Yat-Sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangzhou, China
- Department of Experimental Research, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Yan Sun
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals, Guangdong Provincial Key Laboratory for Aquatic Economic Animals, College of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Gao-Fei Li
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals, Guangdong Provincial Key Laboratory for Aquatic Economic Animals, College of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Liang-Ge He
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals, Guangdong Provincial Key Laboratory for Aquatic Economic Animals, College of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Ruo-Zhu Li
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals, Guangdong Provincial Key Laboratory for Aquatic Economic Animals, College of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Yao-Si Liang
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals, Guangdong Provincial Key Laboratory for Aquatic Economic Animals, College of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Xu Ding
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals, Guangdong Provincial Key Laboratory for Aquatic Economic Animals, College of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Xue Yu
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals, Guangdong Provincial Key Laboratory for Aquatic Economic Animals, College of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Yong Zhang
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals, Guangdong Provincial Key Laboratory for Aquatic Economic Animals, College of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Hao-Ran Lin
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals, Guangdong Provincial Key Laboratory for Aquatic Economic Animals, College of Life Sciences, Sun Yat-Sen University, Guangzhou, China
| | - Dan-Qi Lu
- State Key Laboratory of Biocontrol, Institute of Aquatic Economic Animals, Guangdong Provincial Key Laboratory for Aquatic Economic Animals, College of Life Sciences, Sun Yat-Sen University, Guangzhou, China
- *Correspondence: Dan-Qi Lu,
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Self-Fordham JB, Naqvi AR, Uttamani JR, Kulkarni V, Nares S. MicroRNA: Dynamic Regulators of Macrophage Polarization and Plasticity. Front Immunol 2017; 8:1062. [PMID: 28912781 PMCID: PMC5583156 DOI: 10.3389/fimmu.2017.01062] [Citation(s) in RCA: 109] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Accepted: 08/15/2017] [Indexed: 12/11/2022] Open
Abstract
The ability of a healthy immune system to clear the plethora of antigens it encounters incessantly relies on the enormous plasticity displayed by the comprising cell types. Macrophages (MΦs) are crucial member of the mononuclear phagocyte system (MPS) that constantly patrol the peripheral tissues and are actively recruited to the sites of injury and infection. In tissues, infiltrating monocytes replenish MΦ. Under the guidance of the local micro-milieu, MΦ can be activated to acquire specialized functional phenotypes. Similar to T cells, functional polarization of macrophage phenotype viz., inflammatory (M1) and reparative (M2) is proposed. Equipped with diverse toll-like receptors (TLRs), these cells of the innate arm of immunity recognize and phagocytize antigens and secrete cytokines that activate the adaptive arm of the immune system and perform key roles in wound repair. Dysregulation of MΦ plasticity has been associated with various diseases and infection. MicroRNAs (miRNAs) have emerged as critical regulators of transcriptome output. Their importance in maintaining health, and their contribution toward disease, encompasses virtually all aspects of human biology. Our understanding of miRNA-mediated regulation of MΦ plasticity and polarization can be utilized to modulate functional phenotypes to counter their role in the pathogenesis of numerous disease, including cancer, autoimmunity, periodontitis, etc. Here, we provide an overview of current knowledge regarding the role of miRNA in shaping MΦ polarization and plasticity through targeting of various pathways and genes. Identification of miRNA biomarkers of diagnostic/prognostic value and their therapeutic potential by delivery of miRNA mimics or inhibitors to dynamically alter gene expression profiles in vivo is highlighted.
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Affiliation(s)
| | - Afsar Raza Naqvi
- Department of Periodontics, University of Illinois at Chicago, Chicago, IL, United States
| | - Juhi Raju Uttamani
- Department of Periodontics, University of Illinois at Chicago, Chicago, IL, United States
| | - Varun Kulkarni
- Department of Periodontics, University of Illinois at Chicago, Chicago, IL, United States
| | - Salvador Nares
- Department of Periodontics, University of Illinois at Chicago, Chicago, IL, United States
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miR-146 and miR-155: Two Key Modulators of Immune Response and Tumor Development. Noncoding RNA 2017; 3:ncrna3030022. [PMID: 29657293 PMCID: PMC5831915 DOI: 10.3390/ncrna3030022] [Citation(s) in RCA: 142] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 06/19/2017] [Accepted: 06/19/2017] [Indexed: 12/17/2022] Open
Abstract
MicroRNAs (miRNAs or miRs) are a class of evolutionarily-conserved small, regulatory non-coding RNAs, 19–3 nucleotides in length, that negatively regulate protein coding gene transcripts’ expression. miR-146 (146a and 146b) and miR-155 are among the first and most studied miRs for their multiple roles in the control of the innate and adaptive immune processes and for their deregulation and oncogenic role in some tumors. In the present review, we have focused on the recent acquisitions about the key role played by miR-146a, miR-146b and miR-155 in the control of the immune system and in myeloid tumorigenesis. Growing experimental evidence indicates an opposite role of miR-146a with respect to miR-155 in the fine regulation of many steps of the immune response, acting at the level of the various cell types involved in innate and adaptive immune mechanisms. The demonstration that miR-155 overexpression plays a key pathogenic role in some lymphomas and acute myeloid leukemias has led to the development of an antagomir-based approach as a new promising therapeutic strategy.
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50
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Wang J, Wang R, Wang H, Yang X, Yang J, Xiong W, Wen Q, Ma L. Glucocorticoids Suppress Antimicrobial Autophagy and Nitric Oxide Production and Facilitate Mycobacterial Survival in Macrophages. Sci Rep 2017; 7:982. [PMID: 28428627 PMCID: PMC5430514 DOI: 10.1038/s41598-017-01174-9] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 03/22/2017] [Indexed: 01/21/2023] Open
Abstract
Chronic administration of glucocorticoids has been shown to render individuals highly susceptible to mycobacterial infection and lead to reactivation of latent bacilli. However, the effect of glucocorticoids on innate anti-mycobacterial defense, especially in macrophages remains largely unknown. Here, we found that glucocorticoids inhibited the innate immune response, antimicrobial nitric oxide production and autophagy in mycobacteria-challenged macrophages. Meanwhile, maturation and acidification of mycobacterial phagosomes were attenuated in RAW264.7 cells after glucocorticoids treatment. Consequently, we observed a glucocorticoid-induced increase in the survival of intracellular mycobacteria in both primary macrophages and cell lines. Glucocorticoids treatment decreased the activation of TBK1 kinase, which promotes the maturation of autophagosomes. Inhibition of TBK1 also decreased the production of nitric oxide. Furthermore, several autophagy-related genes were down-regulated, while activation of the Akt/mTOR signaling pathway was increased after glucocorticoids treatment, which may account for autophagy inhibition during mycobacterial infection. Restoration of autophagy with the agonist rapamycin abolished glucocorticoid-mediated enhancement of mycobacterial survival, suggesting that glucocorticoids blocked anti-mycobacterial defense via autophagy inhibition. Collectively, this study demonstrates that glucocorticoids impair innate antimicrobial autophagy and promote mycobacterial survival in macrophages, which is a novel mechanism for glucocorticoid-mediated immunosuppression. Our findings may provide important clues for tuberculosis prevention.
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Affiliation(s)
- Jinli Wang
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510515, China
| | - Ruining Wang
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510515, China
| | - Hui Wang
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510515, China
| | - Xiaofan Yang
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510515, China
| | - Jiahui Yang
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510515, China
| | - Wenjing Xiong
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510515, China
| | - Qian Wen
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510515, China
| | - Li Ma
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510515, China.
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