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Maino E, Scott O, Rizvi SZ, Chan WS, Visuvanathan S, Zablah YB, Li H, Sengar AS, Salter MW, Jia Z, Rossant J, Cohn RD, Gu B, Ivakine EA. An Irak1-Mecp2 tandem duplication mouse model for the study of MECP2 duplication syndrome. Dis Model Mech 2024; 17:dmm050528. [PMID: 38881329 DOI: 10.1242/dmm.050528] [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: 10/16/2023] [Accepted: 06/06/2024] [Indexed: 06/18/2024] Open
Abstract
MECP2 duplication syndrome (MDS) is a neurodevelopmental disorder caused by tandem duplication of the MECP2 locus and its surrounding genes, including IRAK1. Current MDS mouse models involve transgenic expression of MECP2 only, limiting their applicability to the study of the disease. Herein, we show that an efficient and precise CRISPR/Cas9 fusion proximity-based approach can be utilized to generate an Irak1-Mecp2 tandem duplication mouse model ('Mecp2 Dup'). The Mecp2 Dup mouse model recapitulates the genomic landscape of human MDS by harboring a 160 kb tandem duplication encompassing Mecp2 and Irak1, representing the minimal disease-causing duplication, and the neighboring genes Opn1mw and Tex28. The Mecp2 Dup model exhibits neuro-behavioral abnormalities, and an abnormal immune response to infection not previously observed in other mouse models, possibly owing to Irak1 overexpression. The Mecp2 Dup model thus provides a tool to investigate MDS disease mechanisms and develop potential therapies applicable to patients.
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Affiliation(s)
- Eleonora Maino
- Program in Genetics and Genome Biology, the Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Ori Scott
- Program in Genetics and Genome Biology, the Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
- Division of Clinical Immunology and Allergy, Department of Pediatrics, the Hospital for Sick Children and University of Toronto, Toronto, ON M5G 1E8, Canada
| | - Samar Z Rizvi
- Program in Genetics and Genome Biology, the Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Wing Suen Chan
- Program in Genetics and Genome Biology, the Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
| | - Shagana Visuvanathan
- Program in Genetics and Genome Biology, the Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
| | - Youssif Ben Zablah
- Department of Physiology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Program in Neuroscience and Mental Health, the Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
| | - Hongbin Li
- Program in Neuroscience and Mental Health, the Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
| | - Ameet S Sengar
- Program in Neuroscience and Mental Health, the Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
| | - Michael W Salter
- Department of Physiology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Program in Neuroscience and Mental Health, the Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
| | - Zhengping Jia
- Department of Physiology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Program in Neuroscience and Mental Health, the Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
| | - Janet Rossant
- Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
- Program in Developmental and Stem Cell Biology, the Hospital for Sick Children Research Institute, Toronto, ON M5G 0A4, Canada
| | - Ronald D Cohn
- Program in Genetics and Genome Biology, the Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
- Division of Clinical Immunology and Allergy, Department of Pediatrics, the Hospital for Sick Children and University of Toronto, Toronto, ON M5G 1E8, Canada
- Division of Clinical and Metabolic Genetics, Department of Pediatrics, the Hospital for Sick Children and University of Toronto, Toronto, ON M5G 1X8, Canada
| | - Bin Gu
- Department of Obstetrics, Gynecology and Reproductive Biology, Michigan State University, East Lansing, MI 48824, USA
- Institute for Quantitative Health Science and Engineering, Michigan State University, East Lansing, MI 48824, USA
| | - Evgueni A Ivakine
- Program in Genetics and Genome Biology, the Hospital for Sick Children, Toronto, ON M5G 0A4, Canada
- Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada
- Department of Physiology, University of Toronto, Toronto, ON M5S 1A8, Canada
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Artimovič P, Špaková I, Macejková E, Pribulová T, Rabajdová M, Mareková M, Zavacká M. The ability of microRNAs to regulate the immune response in ischemia/reperfusion inflammatory pathways. Genes Immun 2024:10.1038/s41435-024-00283-6. [PMID: 38909168 DOI: 10.1038/s41435-024-00283-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 06/07/2024] [Accepted: 06/11/2024] [Indexed: 06/24/2024]
Abstract
MicroRNAs play a crucial role in regulating the immune responses induced by ischemia/reperfusion injury. Through their ability to modulate gene expression, microRNAs adjust immune responses by targeting specific genes and signaling pathways. This review focuses on the impact of microRNAs on the inflammatory pathways triggered during ischemia/reperfusion injury and highlights their ability to modulate inflammation, playing a critical role in the pathophysiology of ischemia/reperfusion injury. Dysregulated expression of microRNAs contributes to the pathogenesis of ischemia/reperfusion injury, therefore targeting specific microRNAs offers an opportunity to restore immune homeostasis and improve patient outcomes. Understanding the complex network of immunoregulatory microRNAs could provide novel therapeutic interventions aimed at attenuating excessive inflammation and preserving tissue integrity.
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Affiliation(s)
- Peter Artimovič
- Department of Medical and Clinical Biochemistry, Pavol Jozef Šafárik University in Košice, Faculty of Medicine, Košice, Slovakia
| | - Ivana Špaková
- Department of Medical and Clinical Biochemistry, Pavol Jozef Šafárik University in Košice, Faculty of Medicine, Košice, Slovakia
| | - Ema Macejková
- Department of Vascular Surgery, Pavol Jozef Šafárik University in Košice, Faculty of Medicine, Košice, Slovakia
| | - Timea Pribulová
- Department of Vascular Surgery, Pavol Jozef Šafárik University in Košice, Faculty of Medicine, Košice, Slovakia
| | - Miroslava Rabajdová
- Department of Medical and Clinical Biochemistry, Pavol Jozef Šafárik University in Košice, Faculty of Medicine, Košice, Slovakia
| | - Mária Mareková
- Department of Medical and Clinical Biochemistry, Pavol Jozef Šafárik University in Košice, Faculty of Medicine, Košice, Slovakia
| | - Martina Zavacká
- Department of Vascular Surgery, Pavol Jozef Šafárik University in Košice, Faculty of Medicine, Košice, Slovakia.
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Zadeh-Vakili A, Faam B, Afgar A, Razmpoosh E, Zarkesh M, Amouzegar A. A systematic review of dysregulated microRNAs in Hashimoto's thyroiditis. Endocrine 2024; 84:800-811. [PMID: 38212462 DOI: 10.1007/s12020-023-03673-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 12/19/2023] [Indexed: 01/13/2024]
Abstract
BACKGROUND Plenty of evidence suggests that dysregulated microRNAs are linked to developing autoimmune thyroid diseases. In this study, we aimed to identify commonly linked dysregulated microRNAs in Hashimoto's thyroiditis(HT) and explore microRNA-targeted genes and the involved pathways. METHODS Embase, PubMed, Web of Science, and Scopus databases were searched using the MeSH terms and free text terms, which yielded 11879 articles published up to July 2023. Two-step screening(first for titles and second for abstracts) was completed according to inclusion and exclusion criteria. The search strategy was formulated using the PEO format(Population, Exposure, and Outcome) for observational studies. The corresponding target genes and relevant signaling pathways were also identified using web servers of Diana Tools/its mirPath v.3 software, miRNA Enrichment Analysis, Mirpath DB2, miRPathDB 2.0, and miRmap. RESULTS Review inclusion criteria were met by 16 studies. Thirty-three microRNAs were identified as differentially expressed in HT patients compared to a healthy control after qRT-PCR or RNA sequencing confirmation. Only three miR-146a, miR-142, and miR-301 showed significant results in more than two studies comparing HT cases with healthy controls. CONCLUSION Three key microRNAs in HT were identified by systematic review; the corresponding target genes and signaling pathways involved in the target genes were also identified. These microRNAs regulate the immune response and inflammation and may favor the development and progression of HT. These data may be beneficial to make a step forward to understand the exact etiology of HT and use of these MicroRNAs as possible diagnostic and prognostic biomarkers and as target therapy.
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Affiliation(s)
- Azita Zadeh-Vakili
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bita Faam
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali Afgar
- Research Center for Hydatid Disease in Iran, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Elham Razmpoosh
- Department of Health Research Methods, Evidence, and Impact (HEI), McMaster University, Hamilton, ON, Canada
| | - Maryam Zarkesh
- Cellular and Molecular Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Atieh Amouzegar
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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4
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Aziz N, Wal P, Patel A, Prajapati H. A comprehensive review on the pharmacological role of gut microbiome in neurodegenerative disorders: potential therapeutic targets. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03109-4. [PMID: 38734839 DOI: 10.1007/s00210-024-03109-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 04/17/2024] [Indexed: 05/13/2024]
Abstract
Neurological disorders, including Alzheimer and Parkinson's, pose significant challenges to public health due to their complex etiologies and limited treatment options. Recent advances in research have highlighted the intricate bidirectional communication between the gut microbiome and the central nervous system (CNS), revealing a potential therapeutic avenue for neurological disorders. Thus, this review aims to summarize the current understanding of the pharmacological role of gut microbiome in neurological disorders. Mounting evidence suggests that the gut microbiome plays a crucial role in modulating CNS function through various mechanisms, including the production of neurotransmitters, neuroactive metabolites, and immune system modulation. Dysbiosis, characterized by alterations in gut microbial composition and function, has been observed in many neurological disorders, indicating a potential causative or contributory role. Pharmacological interventions targeting the gut microbiome have emerged as promising therapeutic strategies for neurological disorders. Probiotics, prebiotics, antibiotics, and microbial metabolite-based interventions have shown beneficial effects in animal models and some human studies. These interventions aim to restore microbial homeostasis, enhance microbial diversity, and promote the production of beneficial metabolites. However, several challenges remain, including the need for standardized protocols, identification of specific microbial signatures associated with different neurological disorders, and understanding the precise mechanisms underlying gut-brain communication. Further research is necessary to unravel the intricate interactions between the gut microbiome and the CNS and to develop targeted pharmacological interventions for neurological disorders.
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Affiliation(s)
- Namra Aziz
- PSIT-Pranveer Singh Institute of Technology (Pharmacy), NH-19, Kanpur, UP, 209305, India
| | - Pranay Wal
- PSIT-Pranveer Singh Institute of Technology (Pharmacy), NH-19, Kanpur, UP, 209305, India.
| | - Aman Patel
- PSIT-Pranveer Singh Institute of Technology (Pharmacy), NH-19, Kanpur, UP, 209305, India
| | - Harshit Prajapati
- PSIT-Pranveer Singh Institute of Technology (Pharmacy), NH-19, Kanpur, UP, 209305, India
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Chohan K, Paludo J, Dasari S, Mondello P, Novak JP, Abeykoon JP, Wenzl K, Yang ZZ, Jalali S, Krull JE, Braggio E, Manske MK, Paulus A, Reeder CB, Ailawadhi S, Chanan-Khan A, Kapoor P, Kyle RA, Gertz MA, Novak AJ, Ansell SM. MicroRNA and long non-coding RNA analysis in IgM-monoclonal gammopathies reveals epigenetic influence on cellular functions and oncogenesis. Haematologica 2024; 109:1570-1575. [PMID: 38058213 PMCID: PMC11063848 DOI: 10.3324/haematol.2023.283927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 11/27/2023] [Indexed: 12/08/2023] Open
Abstract
Not available.
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Affiliation(s)
- Karan Chohan
- Department of Medicine, Mayo Clinic, Rochester, MN
| | - Jonas Paludo
- Division of Hematology, Mayo Clinic, Rochester, MN
| | - Surendra Dasari
- Department of Health Sciences Research, Mayo Clinic, Rochester, MN
| | | | | | | | | | | | | | | | - Esteban Braggio
- Division of Hematology and Medical Oncology, Mayo Clinic, Scottsdale, AZ
| | | | - Aneel Paulus
- Division of Hematology and Oncology, Mayo Clinic, Jacksonville, FL
| | - Craig B Reeder
- Division of Hematology and Medical Oncology, Mayo Clinic, Scottsdale, AZ
| | | | | | | | | | | | - Anne J Novak
- Division of Hematology, Mayo Clinic, Rochester, MN
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Gratpain V, Loriot A, Bottemanne P, d’Auria L, Terrasi R, Payen VL, van Pesch V, Muccioli GG, des Rieux A. Influence of a pro-inflammatory stimulus on the miRNA and lipid content of human dental stem cell-derived extracellular vesicles and their impact on microglial activation. Heliyon 2024; 10:e27025. [PMID: 38463764 PMCID: PMC10923689 DOI: 10.1016/j.heliyon.2024.e27025] [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: 08/14/2023] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 03/12/2024] Open
Abstract
Neuro-inflammation occurs in numerous disorders such as multiple sclerosis, Alzheimer's disease and Parkinson's disease. However, anti-inflammatory drugs for the central nervous system have failed to show significant improvement when compared to a placebo in clinical trials. Our previous work demonstrated that stem cells from the apical papilla (SCAP) can decrease neuro-inflammation and stimulate oligodendrocyte progenitor cell differentiation. One hypothesis is that the therapeutic effect of SCAP could be mediated by their secretome, including extracellular vesicles (EV). Here, our objectives were to characterize SCAP-EV and to study their effect on microglial cells. We isolated EV from non-activated SCAP and from SCAP activated with TNFα and IFN-γ and characterized them according to their size, EV markers, miRNA and lipid content. Their ability to decrease pro-inflammatory cytokine expression in vitro and ex vivo was also assessed. We showed that the miRNA content was impacted by a pro-inflammatory environment but not their lipid composition. SCAP-EV reduced the expression of pro-inflammatory markers in LPS-activated microglial cells while their effect was limited on mouse spinal cord sections. In conclusion, we were able to isolate EV from SCAP, to show that their miRNA content was impacted by a pro-inflammatory stimulus, and to describe that SCAP-EV and not the protein fraction of conditioned medium could reduce pro-inflammatory marker expression in LPS-activated BV2 cells.
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Affiliation(s)
- Viridiane Gratpain
- Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Université Catholique de Louvain, UCLouvain, 1200, Brussels, Belgium
| | - Axelle Loriot
- de Duve Institute, Computational Biology Unit, Université Catholique de Louvain, UCLouvain, 1200, Brussels, Belgium
| | - Pauline Bottemanne
- Louvain Drug Research Institute, Bioanalysis and Pharmacology of Bioactive Lipids, Université Catholique de Louvain, UCLouvain, 1200, Brussels, Belgium
| | - Ludovic d’Auria
- Institute of Neuroscience, Neurochemistry Unit, Université Catholique de Louvain, UCLouvain, 1200, Brussels, Belgium
| | - Romano Terrasi
- Louvain Drug Research Institute, Bioanalysis and Pharmacology of Bioactive Lipids, Université Catholique de Louvain, UCLouvain, 1200, Brussels, Belgium
| | - Valéry L. Payen
- Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Université Catholique de Louvain, UCLouvain, 1200, Brussels, Belgium
| | - Vincent van Pesch
- Institute of Neuroscience, Neurochemistry Unit, Université Catholique de Louvain, UCLouvain, 1200, Brussels, Belgium
| | - Giulio G. Muccioli
- Louvain Drug Research Institute, Bioanalysis and Pharmacology of Bioactive Lipids, Université Catholique de Louvain, UCLouvain, 1200, Brussels, Belgium
| | - Anne des Rieux
- Louvain Drug Research Institute, Advanced Drug Delivery and Biomaterials, Université Catholique de Louvain, UCLouvain, 1200, Brussels, Belgium
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Stafa K, Rella A, Eagle W, Dong K, Morris K, Layman D, Corallo K, Trivero J, Maidhof R, Goyarts E, Pernodet N. miR-146a is a critical target associated with multiple biological pathways of skin aging. Front Physiol 2024; 15:1291344. [PMID: 38487265 PMCID: PMC10937357 DOI: 10.3389/fphys.2024.1291344] [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: 09/09/2023] [Accepted: 01/19/2024] [Indexed: 03/17/2024] Open
Abstract
Introduction: The skin is the largest organ of the human body and fulfills protective, immune, and metabolic functions. Skin function and barrier integrity are actively regulated through circadian rhythm-associated genes and epigenetic mechanisms including DNA methylation/demethylation, histone acetylation/deacetylation, and microRNAs. MicroRNA-146a-5p (miR-146a) has been associated with immune activation and skin inflammation; however, the role of miR-146a in regulating skin aging is an open question. This study investigated the role of miR-146a in fibroblasts obtained from different donors in the context of aging, and a potential association of this miRNA with circadian rhythm. Methods: Normal human dermal fibroblasts (NHDFs) from 19y, 27y, 40y, and 62y old donors were used to analyze for miR-146a expression. Expression of miR-146a was downregulated with the hsa-mirVana miR-146a inhibitor, and upregulated with an extract from Adansonia digitata. Effects on markers of skin aging, including cell proliferation, production of Collagen-1 and inflammatory cytokines were assessed. Results: We show that the expression of miR-146a decreases with age in dermal fibroblasts and inhibition of miR-146a in 19y and 62y old NHDFs induced significant changes in essential clock genes indicating an association with circadian rhythm control. Furthermore, downregulation of miR-146a results in a reduction of cellular proliferation, Collagen-1 production, as well as an increase in DNA damage and pro-inflammatory markers. Activation of miR-146a with the Adansonia digitata extract reduced the deleterious effects seen during miR-146a inhibition and increased miR-146a transport through exosome transfer. Conclusion: miR-146a interacts with multiple biological pathways related to skin aging, including circadian rhythm machinery, cell-to-cell communication, cell damage repair, cell proliferation, and collagen production and represents a promising target to fight skin aging. Adansonia digitata extract can promote miR-146a expression and therefore support skin cells' health.
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Affiliation(s)
- Klodjan Stafa
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Antonella Rella
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Whitby Eagle
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Kelly Dong
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Kelsey Morris
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Dawn Layman
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Krystle Corallo
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Jacqueline Trivero
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Robert Maidhof
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Earl Goyarts
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
| | - Nadine Pernodet
- Research and Development, The Estée Lauder Companies, Melville, NY, United States
- Estée Lauder Research Laboratories, Melville, NY, United States
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Aghajanzadeh T, Talkhabi M, Zali MR, Hatami B, Baghaei K. Diagnostic potential and pathogenic performance of circulating miR-146b, miR-194, and miR-214 in liver fibrosis. Noncoding RNA Res 2023; 8:471-480. [PMID: 37434946 PMCID: PMC10331815 DOI: 10.1016/j.ncrna.2023.06.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/17/2023] [Accepted: 06/25/2023] [Indexed: 07/13/2023] Open
Abstract
Liver fibrosis is the excessive accumulation of extracellular matrix proteins. Due to the lack of an accurate test for an early diagnosis of liver fibrosis and the invasiveness of the liver biopsy procedure, there is an urgent need for effective non-invasive biomarkers for screening the patients. we aimed to evaluate the diagnostic performance of circulating miRNAs (miR-146b, -194, -214) and their related mechanisms in the pathogenesis of liver fibrosis. The expression levels of miR-146b, -194, and -214 were quantified in whole blood samples from NAFLD patients using real-time PCR. The competing endogenous RNA (ceRNA) network was constructed and a gene set enrichment analysis (GSEA) was performed for HSC activation-related genes. Also, the transcription factor (TF)-miR co-regulatory network and the survival plot for three miRNAs and core genes were illustrated. The qPCR results showed that the relative expression of miR-146b and miR-214 significantly increased in NAFLD patients, while miR-194 showed significant down-regulation. The ceRNA network analysis implicated NEAT1 and XIST as sponge candidates for these miRNAs. The GSEA results identified 15 core genes involved in HSC activation, primarily enriched in NF-κB activation and autophagy pathways. STAT3, TCF3, RELA, and RUNX1 were considered potential transcription factors connected to miRNAs in the TF-miR network. Our study elucidated three candidate circulating miRNAs differentially expressed in NAFLD that could serve as a promising non-invasive diagnostic tool for early detection strategies. Also, NF-κB activation, autophagy, and negative regulation of the apoptotic process are the main potential underlying mechanisms regulated by these miRNAs in liver fibrosis pathogenesis.
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Affiliation(s)
- Taha Aghajanzadeh
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahmood Talkhabi
- Department of Animal Sciences and Marine Biology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran
| | - Mohammad Reza Zali
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Behzad Hatami
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Kaveh Baghaei
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Gastroenterology and Liver Diseases Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Kiran GS, Kumar PK, Mitra P, Kumar K, Goyal T, Sharma S, Rana S, Sharma P. Unravelling blood-based epigenetic mechanisms: the impact of hsa-miR-146a and histone H3 acetylation in lead-induced inflammation among occupational workers. Int Arch Occup Environ Health 2023; 96:1257-1266. [PMID: 37572134 DOI: 10.1007/s00420-023-02004-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 07/26/2023] [Indexed: 08/14/2023]
Abstract
BACKGROUND Occupational and environmental exposure to lead (Pb) is a persistent health problem majorly in developing countries and has been implied to cause epigenetic alterations. Its effect on histone post-translational modifications is not explored in human population. MicroRNAs are epigenetic modulators reported to be differentially expressed under Pb exposure. The present study was targeted to find plausible association between the role of hsa-miR-146a and global histone (H3) acetylation in Pb-induced inflammation in occupationally exposed workers. MATERIALS AND METHODS A total of 100 occupationally exposed individuals working in different industries were recruited for the study and divided into 2 groups based on the median Pb levels [low Pb group (Pb < 5 μg/dL) and High Pb group (Pb > 5 μg/dL)]. The Pb levels were measured in whole blood using atomic absorption spectrometry to confirm Pb exposure. Histone H3 acetylation and serum interleukin-6 (IL-6) levels were measured using colorimetric methods and enzyme-linked immunosorbent assay (ELISA), respectively. MicroRNA-146a expression was quantified using TaqMan assay. RESULTS The median BLL of the study population was 5 μg/dL. BLL, IL-6, and Histone (H3) acetylation increased significantly with the duration of exposure. BLL level showed a significant positive correlation with IL-6 and histone H3 acetylation level. We also found that hsa-miR-146a exhibited significantly increased expression in the high Pb group compared to the low Pb group (Fold change: 2.56; P = 0.014). The linear regression model suggested that BLL has significantly predicted histone H3 acetylation, hsa-miR-146a, and IL-6 in the study subjects. CONCLUSION The finding that hsa-miR146a was significantly upregulated in individuals with high BLL and had a significant negative correlation with serum IL-6 suggests that Pb-induced oxidative stress likely activates H3 acetylation, which then releases inflammatory cytokines like IL-6.
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Affiliation(s)
- Gangam Sai Kiran
- Department of Biochemistry, All India Institute of Medical Sciences Jodhpur, Rajasthan, India
| | - Pvsn Kiran Kumar
- Department of Biochemistry, All India Institute of Medical Sciences Jodhpur, Rajasthan, India
- Department of Biochemistry, Andhra Medical College, Visakhapatnam, India
| | - Prasenjit Mitra
- Department of Biochemistry, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Kanishka Kumar
- Department of Biochemistry, All India Institute of Medical Sciences Jodhpur, Rajasthan, India
| | - Taru Goyal
- Department of Paediatric Biochemistry, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Shailja Sharma
- Department of Biochemistry, All India Institute of Medical Sciences Jodhpur, Rajasthan, India.
| | - Shweta Rana
- Department of Physical and Natural Sciences, FLAME University, Pune, India
| | - Praveen Sharma
- Department of Biochemistry, All India Institute of Medical Sciences Jodhpur, Rajasthan, India
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Moosazadeh Moghaddam M, Fazel P, Fallah A, Sedighian H, Kachuei R, Behzadi E, Imani Fooladi AA. Host and Pathogen-Directed Therapies against Microbial Infections Using Exosome- and Antimicrobial Peptide-derived Stem Cells with a Special look at Pulmonary Infections and Sepsis. Stem Cell Rev Rep 2023; 19:2166-2191. [PMID: 37495772 DOI: 10.1007/s12015-023-10594-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/12/2023] [Indexed: 07/28/2023]
Abstract
Microbial diseases are a great threat to global health and cause considerable mortality and extensive economic losses each year. The medications for treating this group of diseases (antibiotics, antiviral, antifungal drugs, etc.) directly attack the pathogenic agents by recognizing the target molecules. However, it is necessary to note that excessive use of any of these drugs can lead to an increase in microbial resistance and infectious diseases. New therapeutic methods have been studied recently using emerging drugs such as mesenchymal stem cell-derived exosomes (MSC-Exos) and antimicrobial peptides (AMPs), which act based on two completely different strategies against pathogens including Host-Directed Therapy (HDT) and Pathogen-Directed Therapy (PDT), respectively. In the PDT approach, AMPs interact directly with pathogens to interrupt their intrusion, survival, and proliferation. These drugs interact directly with the cell membrane or intracellular components of pathogens and cause the death of pathogens or inhibit their replication. The mechanism of action of MSC-Exos in HDT is based on immunomodulation and regulation, promotion of tissue regeneration, and reduced host toxicity. This review studies the potential of mesenchymal stem cell-derived exosomes/ATPs therapeutic properties against microbial infectious diseases especially pulmonary infections and sepsis.
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Affiliation(s)
- Mehrdad Moosazadeh Moghaddam
- Tissue Engineering and Regenerative Medicine Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Parvindokht Fazel
- Department of Microbiology, Fars Science and Research Branch, Islamic Azad University, Shiraz, Iran
| | - Arezoo Fallah
- Department of Bacteriology and Virology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hamid Sedighian
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Reza Kachuei
- Molecular Biology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Elham Behzadi
- Academy of Medical Sciences of the I.R. of Iran, Tehran, Iran
| | - Abbas Ali Imani Fooladi
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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11
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Qiu Y, Feng D, Jiang W, Zhang T, Lu Q, Zhao M. 3D genome organization and epigenetic regulation in autoimmune diseases. Front Immunol 2023; 14:1196123. [PMID: 37346038 PMCID: PMC10279977 DOI: 10.3389/fimmu.2023.1196123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 05/17/2023] [Indexed: 06/23/2023] Open
Abstract
Three-dimensional (3D) genomics is an emerging field of research that investigates the relationship between gene regulatory function and the spatial structure of chromatin. Chromatin folding can be studied using chromosome conformation capture (3C) technology and 3C-based derivative sequencing technologies, including chromosome conformation capture-on-chip (4C), chromosome conformation capture carbon copy (5C), and high-throughput chromosome conformation capture (Hi-C), which allow scientists to capture 3D conformations from a single site to the entire genome. A comprehensive analysis of the relationships between various regulatory components and gene function also requires the integration of multi-omics data such as genomics, transcriptomics, and epigenomics. 3D genome folding is involved in immune cell differentiation, activation, and dysfunction and participates in a wide range of diseases, including autoimmune diseases. We describe hierarchical 3D chromatin organization in this review and conclude with characteristics of C-techniques and multi-omics applications of the 3D genome. In addition, we describe the relationship between 3D genome structure and the differentiation and maturation of immune cells and address how changes in chromosome folding contribute to autoimmune diseases.
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Affiliation(s)
- Yueqi Qiu
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
- Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences, Nanjing, China
| | - Delong Feng
- Department of Dermatology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Wenjuan Jiang
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
- Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences, Nanjing, China
| | - Tingting Zhang
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
- Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences, Nanjing, China
- State Key Laboratory of Natural Medicines, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Qianjin Lu
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
- Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences, Nanjing, China
- Department of Dermatology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Ming Zhao
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, China
- Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences, Nanjing, China
- Department of Dermatology, The Second Xiangya Hospital of Central South University, Changsha, China
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12
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Spinetti G, Mutoli M, Greco S, Riccio F, Ben-Aicha S, Kenneweg F, Jusic A, de Gonzalo-Calvo D, Nossent AY, Novella S, Kararigas G, Thum T, Emanueli C, Devaux Y, Martelli F. Cardiovascular complications of diabetes: role of non-coding RNAs in the crosstalk between immune and cardiovascular systems. Cardiovasc Diabetol 2023; 22:122. [PMID: 37226245 PMCID: PMC10206598 DOI: 10.1186/s12933-023-01842-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 04/25/2023] [Indexed: 05/26/2023] Open
Abstract
Diabetes mellitus, a group of metabolic disorders characterized by high levels of blood glucose caused by insulin defect or impairment, is a major risk factor for cardiovascular diseases and related mortality. Patients with diabetes experience a state of chronic or intermittent hyperglycemia resulting in damage to the vasculature, leading to micro- and macro-vascular diseases. These conditions are associated with low-grade chronic inflammation and accelerated atherosclerosis. Several classes of leukocytes have been implicated in diabetic cardiovascular impairment. Although the molecular pathways through which diabetes elicits an inflammatory response have attracted significant attention, how they contribute to altering cardiovascular homeostasis is still incompletely understood. In this respect, non-coding RNAs (ncRNAs) are a still largely under-investigated class of transcripts that may play a fundamental role. This review article gathers the current knowledge on the function of ncRNAs in the crosstalk between immune and cardiovascular cells in the context of diabetic complications, highlighting the influence of biological sex in such mechanisms and exploring the potential role of ncRNAs as biomarkers and targets for treatments. The discussion closes by offering an overview of the ncRNAs involved in the increased cardiovascular risk suffered by patients with diabetes facing Sars-CoV-2 infection.
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Affiliation(s)
- Gaia Spinetti
- Laboratory of Cardiovascular Pathophysiology and Regenerative Medicine, IRCCS MultiMedica, Milan, Italy.
| | - Martina Mutoli
- Laboratory of Cardiovascular Pathophysiology and Regenerative Medicine, IRCCS MultiMedica, Milan, Italy
| | - Simona Greco
- Molecular Cardiology Laboratory, IRCCS Policlinico San Donato, Milan, Italy
| | - Federica Riccio
- Laboratory of Cardiovascular Pathophysiology and Regenerative Medicine, IRCCS MultiMedica, Milan, Italy
| | - Soumaya Ben-Aicha
- National Heart & Lung Institute, Imperial College London, London, UK
| | - Franziska Kenneweg
- Institute of Molecular and Translational Therapeutic Strategies (IMTTS), Hannover Medical School, Hannover, Germany
| | | | - David de Gonzalo-Calvo
- Translational Research in Respiratory Medicine, University Hospital Arnau de Vilanova and Santa Maria, IRBLleida, Lleida, Spain
- CIBER of Respiratory Diseases (CIBERES), Institute of Health Carlos III, Madrid, Spain
| | - Anne Yaël Nossent
- Department of Surgery, Leiden University Medical Center, Leiden, the Netherlands
| | - Susana Novella
- Department of Physiology, University of Valencia - INCLIVA Biomedical Research Institute, Valencia, Spain
| | - Georgios Kararigas
- Department of Physiology, Faculty of Medicine, University of Iceland, Reykjavík, Iceland
| | - Thomas Thum
- Institute of Molecular and Translational Therapeutic Strategies (IMTTS), Hannover Medical School, Hannover, Germany
| | - Costanza Emanueli
- National Heart & Lung Institute, Imperial College London, London, UK
| | - Yvan Devaux
- Cardiovascular Research Unit, Department of Precision Health, Luxembourg Institute of Health, Strassen, Luxembourg
| | - Fabio Martelli
- Molecular Cardiology Laboratory, IRCCS Policlinico San Donato, Milan, Italy.
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Zhang H, Chen D, Ji Q, Yang M, Ding R. miR-146a-5p Promotes the Inflammatory Response in PBMCs Induced by Microcystin-Leucine-Arginine. J Inflamm Res 2023; 16:1979-1993. [PMID: 37193070 PMCID: PMC10182803 DOI: 10.2147/jir.s403945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 05/03/2023] [Indexed: 05/18/2023] Open
Abstract
Background Microcystin-leucine-arginine (MC-LR) is the most abundant and most toxic variant of microcystin isomers. Various experiments have clearly shown that MC-LR has hepatotoxicity and carcinogenicity, but there are relatively few studies on its immune damage effect. In addition, numerous studies have shown that microRNAs (miRNAs) are involved in a wide range of biological processes. Do miRNAs also play a role in inflammatory response caused by microcystin exposure? This is the question to be answered in this study. Moreover, this study can also provides experimental evidence for the significance of miRNA applications. Objective To investigate the effect of MC-LR on the expressions of miR-146a and pro/anti-inflammatory cytokines in human peripheral blood mononuclear cells (PBMCs) and to further explore the role of miR-146a in the inflammatory responses caused by MC-LR. Methods Serum samples from 1789 medical examiners were collected and detect the concentrations of MCs, and 30 serum samples with concentrations of MCs around P25, P50, and p75 were randomly selected for the detection of inflammatory factors. PBMCs from fresh peripheral blood extracted from these 90 medical examiners were subsequently tested for relative miR-146a expression. In vitro, the MC-LR were exposed to the PBMCs to detect the levels of inflammatory factors as well as the relative expression of miR-146a-5p. Then, a miRNA transfection assay was performed to verify the regulation of inflammatory factors by miR-146a-5p. Results In population samples, the expression of inflammatory factors and miR-146a-5p increased with increasing MCs concentration. In vitro experiments showed that the expression of inflammatory factors and miR-146a-5p in PBMCs increased with MC-LR exposure time or exposure dose too. In addition, inhibiting the expression of miR-146a-5p in PBMCs reduced inflammatory factor levels. Conclusion miR-146a-5p exerts a promoting effect on the MC-LR-induced inflammatory response by positively regulating inflammatory factor levels.
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Affiliation(s)
- Huiying Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, Anhui, 230032, People’s Republic of China
| | - Daojun Chen
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, Anhui, 230032, People’s Republic of China
- School of Medical Technology, Anhui Medical College, Hefei, Anhui, 230601, People’s Republic of China
- Correspondence: Daojun Chen, Email
| | - Qianqian Ji
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, Anhui, 230032, People’s Republic of China
| | - Meiyan Yang
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, Anhui, 230032, People’s Republic of China
| | - Rui Ding
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, Hefei, Anhui, 230032, People’s Republic of China
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14
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Dos Santos JS, Bonafé GA, Lourenço GJ, Ortega MM. Evaluating Single-Nucleotide Variants in MicroRNA Targeting Sites and Mature MicroRNA In Vitro Cell Culture by Luciferase Reporter Gene Assays. Methods Mol Biol 2023; 2595:185-201. [PMID: 36441463 DOI: 10.1007/978-1-0716-2823-2_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
MicroRNAs (miRs) are small non-coding RNAs of 21-24 nucleotides in length that modulate gene expression by targeting the untranslated region (UTR) of mRNA. Single-nucleotide variants (SNVs) in primary miRs (pri-miRs), precursor miRs (pre-miRs), promoters of pri-miRs, and seed regions can affect miR stability or processing, may influence mature miR expression, and can affect target gene identification, respectively. The present protocol tests the binding and activity of miRs on 3'-UTR target sequences based on the expression of luciferase as a reporter gene fused to the UTR sequence in the presence of plasmids containing pre-miR of interest to test in vitro cell culture assay.
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Affiliation(s)
- Jéssica Silva Dos Santos
- Laboratory of Cell and Molecular Tumor Biology and Bioactive Compounds, São Francisco University, Bragança Paulista, São Paulo, Brazil
| | - Gabriel Alves Bonafé
- Laboratory of Cell and Molecular Tumor Biology and Bioactive Compounds, São Francisco University, Bragança Paulista, São Paulo, Brazil
| | - Gustavo Jacob Lourenço
- Laboratory of Cancer Genetics, School of Medical Sciences, University of Campinas, Campinas, São Paulo, Brazil
| | - Manoela Marques Ortega
- Laboratory of Cell and Molecular Tumor Biology and Bioactive Compounds, São Francisco University, Bragança Paulista, São Paulo, Brazil.
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15
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Paeoniflorin Inhibits LPS-Induced Activation of Splenic CD4+ T Lymphocytes and Relieves Pathological Symptoms in MRL/lpr Mice by Suppressing IRAK1 Signaling. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:5161890. [DOI: 10.1155/2022/5161890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 10/22/2022] [Indexed: 11/27/2022]
Abstract
Interleukin-1receptor-associated kinase 1 (IRAK1) plays a critical role in systemic lupus erythematosus (SLE). It was reported that SLE was associated with an inflammatory response mediated by defective immune tolerance, including overproduction of autoantibodies, chronic inflammation, and organ damage. Previous reports stated paeoniflorin (PF) had an immunosuppressive effect. The purpose of this study was to determine the anti-inflammatory effect of PF in SLE and its underlying mechanisms. Followed by induced with lipopolysaccharide (LPS), the splenocytes and the isolated CD4+ T lymphocytes of MRL/lpr mice were divided into three groups: control group, LPS group, and LPS + PF group, respectively. MRL/MP mice were used as the control group (treated with distilled water). The MRL/lpr mice were randomly divided into three groups: the model group (treated with distilled water), the prednisone group, and the PF group. The MRL/lpr mice were treated with prednisone acetate (5 mg/kg) and PF (25, 50, and 75 mg/kg) for eight weeks. Subsequently, ELISA, qRT-PCR, western blotting, HE, and Masson staining were performed to detect various indicators. The results of Cell Counting Kit-8 (CCK-8) showed that 10 μg/mL of LPS had the optimum effect on cell viability, and 50 μmol/L of PF had no obvious cytotoxicity to LPS-treated cells. PF reduced the expression level of IRAK1-nuclearfactor-κB (NF-κB) and its downstream inflammatory cytokines in the splenocytes and CD4+ T lymphocytes of MRL/lpr mice stimulated by LPS, especially in the latter. The serum antibody contents in the PF group mice were reduced, and the kidney damage was also alleviated accordingly. Moreover, the IRAK1/inhibitor of the nuclear factor-κB kinase (IKK)/NF-κB inhibitor (IκB)/NF-κB pathways was found to be involved in the anti-inflammation effect of PF in the kidney and spleen. In conclusion, it is thought that PF may have the potential to be used as a therapeutic agent to reduce the inflammatory activity of SLE. Inhibition of the IRAK1-NF-κB pathway may help formulate novel therapeutic tactics for SLE.
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16
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Khan I, Preeti K, Fernandes V, Khatri DK, Singh SB. Role of MicroRNAs, Aptamers in Neuroinflammation and Neurodegenerative Disorders. Cell Mol Neurobiol 2022; 42:2075-2095. [PMID: 33934227 DOI: 10.1007/s10571-021-01093-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 04/19/2021] [Indexed: 02/07/2023]
Abstract
Exploring the microRNAs and aptamers for their therapeutic role as biological drugs has expanded the horizon of its applicability against various human diseases, explicitly targeting the genetic materials. RNA-based therapeutics are widely being explored for the treatment and diagnosis of multiple diseases, including neurodegenerative disorders (NDD). Latter includes microRNA, aptamers, ribozymes, and small interfering RNAs (siRNAs), which control the gene expression mainly at the transcriptional strata. One RNA transcript translates into different protein types; hence, therapies targeted at the transcriptional sphere may have prominent and more extensive effects than alternative therapeutics. Unlike conventional gene therapy, RNAs, upon delivery, can either altogether abolish or alter the synthesis of the protein of interest, therefore, regulating their activities in a controlled and diverse manner. NDDs like Alzheimer's disease, Parkinson's disease, Huntington's disease, multiple sclerosis, Prion disease, and others are characterized by deposition of misfolded protein such as amyloid-ß, tau, α-synuclein, huntingtin and prion proteins. Neuroinflammation, one of the perquisites for neurodegeneration, is induced during neurodegenerative pathogenesis. In this review, we discuss microRNAs and aptamers' role as two different RNA-based approaches for their unique ability to regulate protein production at the transcription level, hence offering many advantages over other biologicals. The microRNA acts either by alleviating the malfunctioning RNA expression or by working as a replacement to lost microRNA. On the contrary, aptamer act as a chemical antibody and forms an aptamer-target complex.
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Affiliation(s)
- Islauddin Khan
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Balanagar, Hyderabad, Telangana, 500037, India
| | - Kumari Preeti
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Balanagar, Hyderabad, Telangana, 500037, India
| | - Valencia Fernandes
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Balanagar, Hyderabad, Telangana, 500037, India
| | - Dharmendra Kumar Khatri
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Balanagar, Hyderabad, Telangana, 500037, India.
| | - Shashi Bala Singh
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Hyderabad, Balanagar, Hyderabad, Telangana, 500037, India.
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Zhang Y, Zhang F, Gao Y, Wang M, Gao Y, Li H, Sun J, Wen C, Xie Z. Triptolide in the treatment of systemic lupus erythematosus - regulatory effects on miR-146a in B cell TLR7 signaling pathway in mice. Front Pharmacol 2022; 13:952775. [PMID: 36210830 PMCID: PMC9539794 DOI: 10.3389/fphar.2022.952775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 08/29/2022] [Indexed: 12/02/2022] Open
Abstract
Objective: To clarify the mechanism of triptolide (TP) in alleviating the conditions underlying SLE. Methods: Eight-week-old MRL/lpr mice were randomly divided into a model group (n = 5), low-dose TP (TP-L) group (n = 5), and high-dose TP (TP-H) group (n = 5). Mice in these groups were gavaged with normal saline, low-dose TP solution, and high-dose TP solution for 8 weeks, respectively. The expression levels of anti-dsDNA, IgG, IgM, IgA, C3, C4, and CREA, BUN, ALT, AST, ALB, and ALP indexes in the serum of mice were detected. The proportion of CD19+CD138+B220− cells in the spleen and the pathological changes of kidney tissue in the mice were also evaluated. The possible signaling pathways and microRNA (miRNA) targets of TP in the treatment of SLE were analyzed using network pharmacology. The expressions of TLR7 mRNA and miR-146a in Raji cells (a B lymphocyte line) were detected using qPCR before and after intervention with a miR-146a inhibitor. The protein expression levels of TLR7, MyD88, p-IRAK1, and p-NF-κBp65 were detected using western blot analysis. Results: TP could significantly decrease the levels of ds-DNA and IgG, alleviate pathological injury in renal tissue, and upregulate miR-146a expression in the B cells of MRL/lpr mice without obvious liver and kidney toxicity. Network pharmacology analysis showed that TP could mainly regulate the Toll-like receptor signaling pathway, and NF-κB signaling pathway, among others. miRNA target prediction suggested that TP could regulate miRNAs such as miR-146a. In vitro cell experiments further confirmed that TP could significantly upregulate miR-146a expression and downregulate the expression of TLR7 mRNA and protein levels TLR7, MyD88, p-IRAK1, and p-NF-κBp65. After intervention with a miR-146a inhibitor, TP had no obvious inhibitory effects on TLR7, MyD88, p-IRAK1, and p-NF-κBp65 expression. Conclusion: TP may exert therapeutic effects on SLE by regulating miR-146a expression, inhibiting the TLR7/NF-κB signaling pathway, and affecting B cell activation.
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Affiliation(s)
- Yi Zhang
- School of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - FengQi Zhang
- School of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - YiNi Gao
- School of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - MeiJiao Wang
- School of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yan Gao
- School of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - HaiChang Li
- School of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Jing Sun
- The Second School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - ChengPing Wen
- School of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, China
- *Correspondence: ChengPing Wen, ; ZhiJun Xie,
| | - ZhiJun Xie
- School of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, China
- *Correspondence: ChengPing Wen, ; ZhiJun Xie,
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18
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Jiang C, Lin Y, Shan H, Xia W, Pan C, Wang N, Zhou L, Gao Y, Zhou Z, Yu X. miR-146a Protects against Staphylococcus aureus-Induced Osteomyelitis by Regulating Inflammation and Osteogenesis. ACS Infect Dis 2022; 8:918-927. [PMID: 35410468 DOI: 10.1021/acsinfecdis.1c00459] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Osteomyelitis is a Staphylococcus aureus-caused bone infection. In this study, the effects of miR-146a on osteomyelitis were evaluated. Using the osteoblast cell model and S. aureus-induced osteomyelitis mice model, we monitored the miR-146 expression and explored the effects of miR-146a on cell proliferation of osteoblasts, bone remodeling, osteoclastogenesis, inflammatory cytokine production, and bacterial burden. Upregulated miR-146a was found in mice with S. aureus-induced osteomyelitis. miR-146a attenuated S. aureus-induced cell loss of osteoblasts, rescued the expression of osteogenic markers, altered the bone remodeling, and inhibited inflammatory cytokine production and osteoclastogenesis. miR-146a knockout mice had higher S. aureus burden. In conclusion, miR-146a protects against S. aureus-induced osteomyelitis by regulating inflammation and osteogenesis.
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Affiliation(s)
- Chaolai Jiang
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
| | - Yiwei Lin
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
| | - Haojie Shan
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
| | - Wenyang Xia
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
| | - Chenhao Pan
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
| | - Nan Wang
- Department of Emergency, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Lihui Zhou
- Department of Orthopaedic Surgery, Xiangshan First People’s Hospital, Ningbo 315700, Zhejiang, China
| | - Youshui Gao
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
| | - Zubin Zhou
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
| | - Xiaowei Yu
- Department of Orthopaedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People’s Hospital, Shanghai 200233, China
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Yu T, Wang P, Wu Y, Zhong J, Chen Q, Wang D, Chen H, Hu S, Wu Q. MiR-26a Reduces Inflammatory Responses via Inhibition of PGE2 Production by Targeting COX-2. Inflammation 2022; 45:1484-1495. [PMID: 35083625 PMCID: PMC8791555 DOI: 10.1007/s10753-022-01631-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 11/03/2021] [Accepted: 01/20/2022] [Indexed: 12/24/2022]
Abstract
MicroRNAs are small non-coding RNA regulatory molecules that play an important role in the development and function of immune cells. MicroRNA-26a (miR-26a) exhibits anti-inflammatory immune effects on immune cells. However, the exact mechanism by which miR-26a plays an anti-inflammatory role remains unclear. Here, we report that miR-26a reduces inflammatory response via inhibition of prostaglandin E2 (PGE2) production by targeting cyclooxygenase-2 (COX-2). We found that miR-26a was downregulated in vitro and in vivo. The miR-26a mimic significantly decreased COX-2 protein levels, further inhibiting pro-inflammatory cytokine production in LPS-stimulated macrophages. We predicted that miR-26a could potentially target COX-2 in LPS-stimulated macrophages. Computational algorithms showed that the 3'-UTR of COX-2 mRNA contains a binding site for miR-26a. This putative targeting relationship between miR-26a and COX-2 was further confirmed by a dual-reporter gene assay. The anti-inflammatory effects of the miR-26a mimic were diminished by PGE2 supplementation. Importantly, miR-26a mimics protected mice from lethal endotoxic shock and attenuated pro-inflammatory cytokine production. Collectively, these results suggest that miR-26a may function as a novel feedback negative regulator of the hyperinflammatory response and as a drug target for the progression of inflammation.
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Affiliation(s)
- Ting Yu
- Department of Pharmacy, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, HaiKou, 510080, People's Republic of China
| | - Peng Wang
- Department of Emergency Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, 510120, People's Republic of China
| | - Yuxia Wu
- Department of Pharmacy, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, HaiKou, 510080, People's Republic of China
| | - Jingbo Zhong
- Department of Pharmacy, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, HaiKou, 510080, People's Republic of China
| | - Qingshu Chen
- Department of Pharmacy, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, HaiKou, 510080, People's Republic of China
| | - Daimei Wang
- Department of Pharmacy, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, HaiKou, 510080, People's Republic of China
| | - Hong Chen
- Department of Pharmacy, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, HaiKou, 510080, People's Republic of China
| | - Shengfeng Hu
- Institute of Molecular Immunology, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510515, People's Republic of China.
| | - Qiongshi Wu
- Department of Pharmacy, Hainan General Hospital, Hainan Affiliated Hospital of Hainan Medical University, HaiKou, 510080, People's Republic of China.
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20
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Zhang LL, Wu XX, Wang XF, Di DS, Huang Q, Liu RS, Shuai ZW, Ye DQ, Leng RX. Genetic variant in microRNA-146a gene is associated with risk of rheumatoid arthritis. Ann Med 2021; 53:824-829. [PMID: 34060972 PMCID: PMC8172213 DOI: 10.1080/07853890.2021.1933163] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE To investigated the association between single nucleotide polymorphisms (SNPs) in microRNA-146a (miR-146a) gene and susceptibility of rheumatoid arthritis (RA). METHODS We systemically extracted the genetic data of miR-146a from previous genome-wide association studies (GWASs) of RA. Subsequently, we performed a replication study in an independent Chinese cohort for selected variant. A meta-analysis combined the previous GWASs with the replication study was also conducted. The epigenetic annotation and cytokine assay were used for exploring potential variant function. RESULTS The extracted genetic association data from three previous GWASs showed that the allele T of functional SNP rs2431697 increased RA susceptibility. The significant association for the SNP was also found in the Chinese replication cohort (OR = 1.24, 95% CI = 1.06-1.46, p = 8.69E-03). The estimated effect size for this SNP was larger in Asian population than that in European population (Asian meta-analysis: OR = 1.15, 95% CI = 1.09-1.22, p = 4.37E-07; Tran-ethnic meta-analysis: OR = 1.07, 95% CI = 1.04-1.10, p = 1.79E-06). The cytokine assay also showed that the risk allele T of the SNP rs2431697 is inversely associated with plasma TNF-α levels in health controls (p = .016). CONCLUSIONS In summary, this study supports that genetic variant in miR-146a gene is associated with RA risk.KEY MESSAGESThe association between SNPs in miR-146a gene and susceptibility of RA was unclear.We investigated the genetic association using GWASs data and a replication study.The SNP rs2431697 in miR-146a gene is associated with RA risk.
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Affiliation(s)
- Lin-Lin Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, PR China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Xiao-Xiao Wu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, PR China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Xu-Fan Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, PR China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Dong-Sheng Di
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, PR China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Qian Huang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, PR China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Rui-Shan Liu
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, PR China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Zong-Wen Shuai
- Department of Rheumatology and Immunology, the First Affiliated Hospital of Anhui Medical University, Hefei, PR China
| | - Dong-Qing Ye
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, PR China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
| | - Rui-Xue Leng
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, PR China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, PR China
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21
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The role of microRNAs in diseases and related signaling pathways. Mol Biol Rep 2021; 49:6789-6801. [PMID: 34718938 DOI: 10.1007/s11033-021-06725-y] [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: 06/15/2021] [Accepted: 09/27/2021] [Indexed: 10/19/2022]
Abstract
MicroRNAs (miRNAs) are epigenetic regulators of the gene expression and act through posttranslational modification. They bind to 3'-UTR of target mRNAs to inhibit translation or increase the degradation mRNA in many tissues. Any alteration in the level of miRNA expression in many human diseases indicates their involvement in the pathogenesis of many diseases. On the other hand, the regulation of the signaling pathways is necessary for the maintenance of natural and physiological characteristics of any cell. It is worth mentioning that dysfunction of the signaling pathways manifests itself as a disorder or disease. The significant evidence report that miRNAs regulate the several signaling pathways in many diseases. Base on previous studies, miRNAs can be used for therapeutic or diagnostic purposes. According to the important role of miRNAs on the cell signaling pathways, this article reviews miRNAs involvement in incidence of diseases by changing signaling pathways.
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22
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Li W, Ding X, Zhao R, Xiong D, Xie Z, Xu J, Tan M, Li C, Yang C. The role of targeted regulation of COX11 by miR-10a-3p in the development and progression of paediatric mycoplasma pneumoniae pneumonia. J Thorac Dis 2021; 13:5409-5418. [PMID: 34659807 PMCID: PMC8482332 DOI: 10.21037/jtd-21-710] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 07/23/2021] [Indexed: 12/11/2022]
Abstract
Background MiR-10a-3p is associated with the pathogenesis of many immune inflammatory diseases including Mycoplasma pneumoniae pneumonia (MPP), and cytochrome coxidase assembly homologue 11 (COX11) is one of its direct target proteins. This study investigates the function and mechanism of miR-10a-3p targeting with COX11 in the development and progression of paediatric MPP. Methods Ninty-seven paediatric MPP patients and 100 age- and sex-matched healthy children were enrolled. Clinical and laboratory indicators of paediatric MPP patients were collected. The mRNA levels of the COX11 gene and miR-10a-3p were detected by qRT-PCR. THP-1 mononuclear macrophages were stimulated using MPP lipid-associated membrane proteins (Mp-LAMPs). The relative expression level of miR-10a-3p was detected after 12, 24, and 48 h. THP-1 cells were transfected to overexpress or inhibit the expression of miR-10a-3p, miR-10a-3p, COX11 mRNA, NF-κB signalling pathway-related proteins, and C-reactive protein (CRP) were detected after 48 h by Western blot. Results The relative expression level of miR-10a-3p in the MPP group was 2.38±0.52, compared with 1.76±0.38 in control group (t=4.584, P<0.001) whileCOX11 in MPP group was 3.70±1.12, compared to 5.78±1.84 in control group (t=4.876, P<0.001). Pearson correlation analysis showed that miR-10a-3p and COX11 in MPP group presented a negative correlation (r=-0.679, P<0.001). By searching in the prediction website of TargetScan database, it was found that miR-10a-3p and Cox11 genes had targeted regulatory binding sites, and the targeting relationship between miR-10a-3p and Cox11 genes was confirmed by dual luciferase reporting assay in 293T cells. Among paediatric MPP patients, miR-10a-3p expression had a positive correlation with the white blood cells count, erythrocyte sedimentation rate (ESR), and CRP expression, while COX11 mRNA expression had a positive correlation with ESR and CRP. After LAMP stimulation, the miR-10a-3p expression level in THP-1 cells significantly increased (P<0.05). After THP-1 cells were transfected with the miR-10a-3p mimic or inhibitor, the relative expression level of miR-10a-3p significantly increased or decreased, respectively. COX11 expression in the mimic group significantly decreased, whereas COX11 in the inhibitor group significantly increased (both P<0.05). In addition, after transfection, IκBα expression significantly decreased and that of p-IKKα/β, p-p65, and CRP significantly increased in the mimic group, and the opposite was true in the inhibitor group. Conclusions In paediatric MPP, increased miR-10a-3p downregulated COX11, activating NF-κB signalling pathway to promote disease development and progression.
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Affiliation(s)
- Wenhong Li
- Department of Paediatrics, The First Affiliated Hospital of the Qiqihar Medical University, Qiqihar, China
| | - Xin Ding
- Department of Paediatrics, The First Affiliated Hospital of the Qiqihar Medical University, Qiqihar, China
| | - Rui Zhao
- Department of Medical Records, The First Affiliated Hospital of the Qiqihar Medical University, Qiqihar, China
| | - Donghui Xiong
- Department of Personnel, The First Affiliated Hospital of the Qiqihar Medical University, Qiqihar, China
| | - Zhiping Xie
- Department of Epidemiology and Health Statistics Public Health School of Qiqihar Medical University, Qiqihar, China
| | - Jing Xu
- Department of Paediatrics, The First Affiliated Hospital of the Qiqihar Medical University, Qiqihar, China
| | - Meiling Tan
- Department of Paediatrics, The First Affiliated Hospital of the Qiqihar Medical University, Qiqihar, China
| | - Chunyu Li
- Department of Paediatrics, The First Affiliated Hospital of Jiamusi University, Jiamusi, China
| | - Chunfu Yang
- Department of Paediatrics, The First Affiliated Hospital of the Qiqihar Medical University, Qiqihar, China
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23
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Greenan E, Gallagher S, Khalil R, Murphy CC, Ní Gabhann-Dromgoole J. Advancing Our Understanding of Corneal Herpes Simplex Virus-1 Immune Evasion Mechanisms and Future Therapeutics. Viruses 2021; 13:v13091856. [PMID: 34578437 PMCID: PMC8473450 DOI: 10.3390/v13091856] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/10/2021] [Accepted: 09/12/2021] [Indexed: 12/24/2022] Open
Abstract
Herpes stromal keratitis (HSK) is a disease that commonly affects the cornea and external eye and is caused by Herpes Simplex Virus type 1 (HSV-1). This virus infects approximately 66% of people worldwide; however, only a small portion of these people will develop symptoms in their lifetime. There is no cure or vaccine available for HSV-1; however, there are treatments available that aim to control the inflammation caused by the virus and prevent its recurrence. While these treatments are beneficial to those suffering with HSK, there is a need for more effective treatments to minimise the need for topical steroids, which can have harmful effects, and to prevent bouts of disease reactivation, which can lead to progressive corneal scarring and visual impairment. This review details the current understanding of HSV-1 infection and discusses potential novel treatment options including microRNAs, TLRs, mAbs, and aptamers.
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Affiliation(s)
- Emily Greenan
- Department of Ophthalmology, Royal College of Surgeons in Ireland, D02 XK51 Dublin, Ireland; (E.G.); (C.C.M.)
- School of Pharmacy and Biomolecular Sciences (PBS), RSCI Research Institute, Royal College of Surgeons in Ireland, D02 XK51 Dublin, Ireland;
| | - Sophie Gallagher
- School of Biological and Health Sciences, Technological University (TU) Dublin, Kevin Street, D02 XK51 Dublin, Ireland;
| | - Rana Khalil
- School of Pharmacy and Biomolecular Sciences (PBS), RSCI Research Institute, Royal College of Surgeons in Ireland, D02 XK51 Dublin, Ireland;
| | - Conor C. Murphy
- Department of Ophthalmology, Royal College of Surgeons in Ireland, D02 XK51 Dublin, Ireland; (E.G.); (C.C.M.)
- Department of Ophthalmology, Royal Victoria Eye and Ear Hospital, D02 XK51 Dublin, Ireland
| | - Joan Ní Gabhann-Dromgoole
- Department of Ophthalmology, Royal College of Surgeons in Ireland, D02 XK51 Dublin, Ireland; (E.G.); (C.C.M.)
- School of Pharmacy and Biomolecular Sciences (PBS), RSCI Research Institute, Royal College of Surgeons in Ireland, D02 XK51 Dublin, Ireland;
- Correspondence:
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Pereira-da-Silva T, Napoleão P, Costa MC, Gabriel AF, Selas M, Silva F, Enguita FJ, Cruz Ferreira R, Mota Carmo M. Association between miR-146a and Tumor Necrosis Factor Alpha (TNF-α) in Stable Coronary Artery Disease. ACTA ACUST UNITED AC 2021; 57:medicina57060575. [PMID: 34199767 PMCID: PMC8230353 DOI: 10.3390/medicina57060575] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 06/02/2021] [Indexed: 12/12/2022]
Abstract
Background and Objectives: Tumor necrosis factor alpha (TNF-α) is proatherogenic and associated with the risk of acute ischemic events, although the mechanisms that regulate TNF-α expression in stable coronary artery disease (SCAD) are not fully understood. We investigated whether metabolic, inflammatory, and epigenetic (microRNA (miRNA)) markers are associated with TNF-α expression in SCAD. Materials and Methods: Patients with SCAD were prospectively recruited and their metabolic and inflammatory profiles were assessed. TNF-α levels were assessed using an enzyme-linked immunosorbent assay. The relative expression of six circulating miRNAs associated with the regulation of inflammation and/or atherosclerosis was determined. Results: Of the 24 included patients with the mean age of 65 (9) years, 88% were male, and 54% were diabetic. The TNF-α levels were (median (interquartile range)) 1.0 (0.7–1.1) pg/mL. The percentage of glycosylated hemoglobin (r = 0.418, p = 0.042), serum triglyceride levels (r = 0.429, p = 0.037), and C-reactive protein levels (r = 0.407, p = 0.048) were positively correlated with TNF-α levels. Of the candidate miRNAs, miR-146a expression levels were negatively correlated with TNF-α levels (as indicated by r = 0.500, p = 0.035 for correlation between delta cycle threshold (ΔCt) miR-146a and TNF-α levels). In multivariate analysis, serum triglyceride levels and miR-146a expression levels were independently associated with TNF-α levels. miR-146 expression levels were not associated with metabolic or other inflammatory parameters and were negatively correlated with the number of coronary vessels with obstructive disease (as indicated by r = 0.556, p = 0.017 for correlation between ΔCt miR-146a and number of diseased vessels). Conclusions: miR-146a expression levels were negatively correlated with TNF-α levels in patients with SCAD, irrespective of other metabolic or inflammatory markers, and with the severity of coronary artery disease. The results add to the knowledge on the role of miR-146a in TNF-α-based inflammation in SCAD and support future research on the potential therapeutic use of miR-146a in such a clinical scenario.
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Affiliation(s)
- Tiago Pereira-da-Silva
- Department of Cardiology, Hospital de Santa Marta, Centro Hospitalar Universitário de Lisboa Central, 1169-024 Lisbon, Portugal; (M.S.); (F.S.); (R.C.F.)
- NOVA Doctoral School, Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, 1169-056 Lisbon, Portugal
- Correspondence: ; Tel.: +351-919908505
| | - Patrícia Napoleão
- Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisbon, Portugal; (P.N.); (M.C.C.); (A.F.G.); (F.J.E.)
| | - Marina C. Costa
- Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisbon, Portugal; (P.N.); (M.C.C.); (A.F.G.); (F.J.E.)
- Cardiomics Unit, Centro Cardiovascular da Universidade de Lisboa, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisbon, Portugal
| | - André F. Gabriel
- Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisbon, Portugal; (P.N.); (M.C.C.); (A.F.G.); (F.J.E.)
- Cardiomics Unit, Centro Cardiovascular da Universidade de Lisboa, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisbon, Portugal
| | - Mafalda Selas
- Department of Cardiology, Hospital de Santa Marta, Centro Hospitalar Universitário de Lisboa Central, 1169-024 Lisbon, Portugal; (M.S.); (F.S.); (R.C.F.)
| | - Filipa Silva
- Department of Cardiology, Hospital de Santa Marta, Centro Hospitalar Universitário de Lisboa Central, 1169-024 Lisbon, Portugal; (M.S.); (F.S.); (R.C.F.)
| | - Francisco J. Enguita
- Instituto de Medicina Molecular João Lobo Antunes, Universidade de Lisboa, 1649-028 Lisbon, Portugal; (P.N.); (M.C.C.); (A.F.G.); (F.J.E.)
- Cardiomics Unit, Centro Cardiovascular da Universidade de Lisboa, Faculdade de Medicina, Universidade de Lisboa, 1649-028 Lisbon, Portugal
| | - Rui Cruz Ferreira
- Department of Cardiology, Hospital de Santa Marta, Centro Hospitalar Universitário de Lisboa Central, 1169-024 Lisbon, Portugal; (M.S.); (F.S.); (R.C.F.)
| | - Miguel Mota Carmo
- Chronic Diseases Research Center (CEDOC), NOVA Medical School, Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, 1150-082 Lisbon, Portugal;
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Sabbatinelli J, Giuliani A, Matacchione G, Latini S, Laprovitera N, Pomponio G, Ferrarini A, Svegliati Baroni S, Pavani M, Moretti M, Gabrielli A, Procopio AD, Ferracin M, Bonafè M, Olivieri F. Decreased serum levels of the inflammaging marker miR-146a are associated with clinical non-response to tocilizumab in COVID-19 patients. Mech Ageing Dev 2020; 193:111413. [PMID: 33307107 PMCID: PMC7722494 DOI: 10.1016/j.mad.2020.111413] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 11/18/2020] [Accepted: 12/07/2020] [Indexed: 12/20/2022]
Abstract
Current COVID-19 pandemic poses an unprecedented threat to global health and healthcare systems. The most amount of the death toll is accounted by old people affected by age-related diseases that develop a hyper-inflammatory syndrome. In this regard, we hypothesized that COVID-19 severity may be linked to inflammaging. Here, we examined 30 serum samples from patients enrolled in the clinical trial NCT04315480 assessing the clinical response to a single-dose intravenous infusion of the anti-IL-6 receptor drug Tocilizumab (TCZ) in COVID-19 patients with multifocal interstitial pneumonia. In these serum samples, as well as in 29 age- and gender-matched healthy control subjects, we assessed a set of microRNAs that regulate inflammaging, i.e. miR-146a-5p, miR-21-5p, and miR-126-3p, which were quantified by RT-PCR and Droplet Digital PCR. We showed that COVID-19 patients who did not respond to TCZ have lower serum levels of miR-146a-5p after the treatment (p = 0.007). Among non-responders, those with the lowest serum levels of miR-146a-5p experienced the most adverse outcome (p = 0.008). Our data show that a blood-based biomarker, such as miR-146a-5p, can provide clues about the molecular link between inflammaging and COVID-19 clinical course, thus allowing to better understand the use of biologic drug armory against this worldwide health threat.
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Affiliation(s)
- Jacopo Sabbatinelli
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Angelica Giuliani
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Giulia Matacchione
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Silvia Latini
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Noemi Laprovitera
- Department of Experimental, Diagnostic, and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy
| | - Giovanni Pomponio
- Clinica Medica, Department of Internal Medicine, Ospedali Riuniti, Ancona, Italy
| | - Alessia Ferrarini
- Clinica Medica, Department of Internal Medicine, Ospedali Riuniti, Ancona, Italy
| | - Silvia Svegliati Baroni
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Marianna Pavani
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Marco Moretti
- Laboratory Medicine, Ospedali Riuniti, Ancona, Italy
| | - Armando Gabrielli
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy; Clinica Medica, Department of Internal Medicine, Ospedali Riuniti, Ancona, Italy
| | - Antonio Domenico Procopio
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy; Center of Clinical Pathology and Innovative Therapy, IRCCS INRCA, Ancona, Italy
| | - Manuela Ferracin
- Center of Clinical Pathology and Innovative Therapy, IRCCS INRCA, Ancona, Italy.
| | - Massimiliano Bonafè
- Department of Experimental, Diagnostic, and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy.
| | - Fabiola Olivieri
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy; Center of Clinical Pathology and Innovative Therapy, IRCCS INRCA, Ancona, Italy.
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26
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Yang G, Zhao Y. Overexpression of miR-146b-5p Ameliorates Neonatal Hypoxic Ischemic Encephalopathy by Inhibiting IRAK1/TRAF6/TAK1/NF-αB Signaling. Yonsei Med J 2020; 61:660-669. [PMID: 32734729 PMCID: PMC7393297 DOI: 10.3349/ymj.2020.61.8.660] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 05/25/2020] [Accepted: 06/10/2020] [Indexed: 12/15/2022] Open
Abstract
PURPOSE Neonatal hypoxic ischemic encephalopathy (HIE) is an essential factor underlying neonatal death and disability. This study sought to explore the role of miR-146b-5p in regulating neonatal HIE. MATERIALS AND METHODS In vitro and in vivo HIE models were established in PC12 cells and 10-day neonatal Sprague Dawley rats, respectively. Quantitative reverse transcription polymerase chain reaction (qRT-PCR) was used to assess miR-146b-5p expression and inflammatory factors [interleukin (IL)-6 and tumor necrosis factor (TNF)-α] in brain lesions and PC12 cells, while enzyme-linked immunosorbent assay was employed to detect the expression of oxidative stress factors (SOD and GSH-Px). Gain- and loss-assays of miR-146b-5p were conducted to verify its role in modulating the viability and apoptosis of PC12 cells under oxygen-glucose deprivation (OGD) treatment. Expression of TLR4, IRAK1, TRAF6, TAK1, and NF-κB were examined by qRT-PCR and/or Western blot. Dual luciferase activity assay was conducted to identify relationships between miR-146b-5p and IRAK1. RESULTS In the HIE models, significant oxidative stress and inflammatory responses emerged upon upregulation of TLR4/IRAK1/TRAF6/TAK1/NF-κB signaling. Overexpression of miR-146b-5p greatly inhibited OGD-induced PC12 cell injury, inflammatory responses, and oxidative stress. Inhibiting miR-146b-5p, however, had the opposite effects. IRAK1 was found to be a target of miR-146b-5p, and miR-146b-5p overexpression suppressed the activation of IRAK1/TRAF6/TAK1/NF-κB signaling. CONCLUSION This study demonstrated that miR-146b-5p overexpression alleviates HIE-induced neuron injury by inhibiting the IRAK1/TRAF6/TAK1/NF-κB pathway.
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Affiliation(s)
- Guang Yang
- Department of Pediatrics, Shanxi Medical University, Taiyuan, China
- Neonatal Internal Medicine, Shanxi Children's Hospital, Taiyuan, China.
| | - Yuan Zhao
- Neonatal Internal Medicine, Shanxi Children's Hospital, Taiyuan, China
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Ji L, Fan X, Hou X, Fu D, Bao J, Zhuang A, Chen S, Fan Y, Li R. Jieduquyuziyin Prescription Suppresses Inflammatory Activity of MRL/lpr Mice and Their Bone Marrow-Derived Macrophages via Inhibiting Expression of IRAK1-NF-κB Signaling Pathway. Front Pharmacol 2020; 11:1049. [PMID: 32760274 PMCID: PMC7372094 DOI: 10.3389/fphar.2020.01049] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Accepted: 06/26/2020] [Indexed: 12/14/2022] Open
Abstract
Jieduquyuziyin prescription (JP) has been used to treat systemic lupus erythematosus (SLE). Although the effectiveness of JP in the treatment of SLE has been clinically proven, the underlying mechanisms have yet to be completely understood. We observed the therapeutic actions of JP in MRL/lpr mice and their bone marrow-derived macrophages (BMDMs) and the potential mechanism of their inhibition of inflammatory activity. To estimate the effect of JP on suppressing inflammatory activity, BMDMs of MRL/lpr and MRL/MP mice were treated with JP-treated serum, and MRL/lpr mice were treated by JP for 8 weeks. Among them, JP and its treated serum were subjected to quality control, and BMDMs were separated and identified. The results showed that in the JP group of BMDMs stimulated by Lipopolysaccharide (LPS) in MRL/lpr mice, the secretion of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) reduced, and the expressions of Interleukin-1 receptor-associated kinase 1 (IRAK1) and its downstream nuclear factor κB (NF-κB) pathway decreased. Meanwhile, the alleviation of renal pathological damage, the decrease of urinary protein and serum anti-dsDNA contents, the inhibition of TNF-α level, and then the suppression of the IRAK1-NF-κB inflammatory signaling in the spleen and kidney, confirmed that the therapeutic effect of JP. These results demonstrated that JP could inhibit the inflammatory activity of MRL/lpr mice and their BMDMs by suppressing the activation of IRAK1-NF-κB signaling and was supposed to be a good choice for the treatment of SLE.
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Affiliation(s)
- Lina Ji
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xuemin Fan
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiaoli Hou
- Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Danqing Fu
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Jie Bao
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Aiwen Zhuang
- Institute of TCM Literature and Information, Zhejiang Academy of Traditional Chinese Medicine, Hangzhou, China
| | - Sixiang Chen
- The Second College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yongsheng Fan
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Rongqun Li
- School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
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