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Khosrojerdi M, Azad FJ, Yadegari Y, Ahanchian H, Azimian A. The role of microRNAs in atopic dermatitis. Noncoding RNA Res 2024; 9:1033-1039. [PMID: 39022685 PMCID: PMC11254505 DOI: 10.1016/j.ncrna.2024.05.012] [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: 03/02/2024] [Revised: 05/24/2024] [Accepted: 05/28/2024] [Indexed: 07/20/2024] Open
Abstract
Atopic dermatitis (AD), known as eczema, is a chronic inflammatory skin condition affecting millions worldwide. This abstract provides an overview of the clinical features and underlying pathogenesis of AD, highlighting the role of specific microRNAs (miRNAs) in its development and progression. AD presents with distinct clinical manifestations that evolve with age, starting in infancy with dry, itchy skin and red patches, which can lead to sleep disturbances. In childhood, the rash spreads to flexural areas, resulting in lichenification. In adulthood, lesions may localize to specific areas, including the hands and eyelids. Pruritus (itchiness) is a hallmark symptom, often leading to excoriations and increased vulnerability to skin infections. The pathogenesis of AD is multifaceted, involving genetic, immunological, and environmental factors. Skin barrier dysfunction, immune dysregulation, genetic predisposition, microbiome alterations, and environmental triggers contribute to its development. Recent research has uncovered the role of miRNAs, such as miR-10a-5p, miR-29b, miR-124, miR-143, miR-146a-5p, miR-151a, miR-155, and miR-223, in AD pathogenesis. These microRNAs play crucial roles in regulating various aspects of immune responses, keratinocyte dynamics, and inflammation. MicroRNA-10a-5p orchestrates keratinocyte proliferation and differentiation, while miR-29b regulates keratinocyte apoptosis and barrier integrity. MicroRNA-124 exhibits anti-inflammatory effects by targeting the NF-κB signaling pathway. MicroRNANA-143 counters allergic inflammation by modulating IL-13 signaling. MicroRNA-146a-5p regulates immune responses and correlates with IgE levels in AD. MicroRNA-151a shows diagnostic potential and modulates IL-12 receptor β2. MicroRNA-155 plays a central role in immune responses and Th17 cell differentiation, offering diagnostic and therapeutic potential. MicroRNA-223 is linked to prenatal smoke exposure and immune modulation in AD. Understanding these microRNAs' intricate roles in AD pathogenesis promises more effective treatments, personalized approaches, and enhanced diagnostic tools. Further research into these molecular orchestrators may transform the landscape of AD management, improving the quality of life for affected individuals.
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Affiliation(s)
- Mahsa Khosrojerdi
- Department of Immunology and Allergy, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farahzad Jabbari Azad
- Department of Immunology and Allergy, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Yaser Yadegari
- Department of Immunology and Allergy, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamid Ahanchian
- Department of Immunology and Allergy, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Azimian
- Department of Pathobiology and Laboratory Sciences, Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
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2
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Liu J, Xu Z, Yu J, Zang X, Jiang S, Xu S, Wang W, Hong S. MiR-146a-5p engineered hucMSC-derived extracellular vesicles attenuate Dermatophagoides farinae-induced allergic airway epithelial cell inflammation. Front Immunol 2024; 15:1443166. [PMID: 39364406 PMCID: PMC11446808 DOI: 10.3389/fimmu.2024.1443166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Accepted: 08/06/2024] [Indexed: 10/05/2024] Open
Abstract
Introduction Allergic asthma is prevalent in children, with Dermatophagoides farinae as a common indoor allergen. Current treatments for allergic airway inflammation are limited and carry risks. Mesenchymal stem cell-derived extracellular vesicles (MSC-EVs) show promise as a cell-free therapeutic approach. However, the use of engineered MSC-EVs for D. farinae-induced allergic airway epithelial cell inflammation remains unexplored. Methods We generated miR-146a-5p-engineered EVs from human umbilical cord mesenchymal stem cells (hucMSCs) and established D. farinae-induced mouse and human bronchial epithelial cell allergic models. Levels of IL-1β, IL-18, IL-4, IL-5, IL-6, IL-10, IL-33, TNF-α and IgE were detected using ELISA. The relative TRAF6 and IRAK1 mRNA expression was quantified using qPCR assay and the NLRP3, NF-κB, IRAK1 and TRAF6 protein expression was determined using Western blotting. The regulatory effect of IRAK1 and TRAF6 by miR-146a-5p was examined using a dual luciferase reporter assay, and the nuclear translocation of NF-κB p65 into 16-HBE cells was evaluated using immunofluorescence assay. Results Treatment with hucMSC-EVs effectively reduced allergic inflammation, while miR-146a-5p engineered hucMSC-EVs showed greater efficacy. The enhanced efficacy in alleviating allergic airway inflammation was attributed to the downregulation of IRAK1 and TRAF6 expression, facilitated by miR-146a-5p. This downregulation subsequently led to a decrease in NF-κB nuclear translocation, which in turn resulted in reduced activation of the NLRP3 inflammasome and diminished production of inflammatory cytokines, including IL-6, TNF-α, IL-1β and IL-18. Conclusion Our study underscores the potential of miR-146a-5p engineered hucMSC-EVs as a cell-free therapeutic strategy for D. farinae-induced allergic airway inflammation, offering a promising avenue for boosting anti-inflammatory responses.
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Affiliation(s)
- Jiaxi Liu
- School of Clinical Laboratory Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Zuyu Xu
- School of Clinical Laboratory Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jinyan Yu
- School of Clinical Laboratory Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xiao Zang
- School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Shangde Jiang
- School of Public Health, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Shuyue Xu
- Department of Clinical Laboratory, Jiangnan University Medical Center, Wuxi, Jiangsu, China
| | - Wei Wang
- National Health Commission Key Laboratory on Parasitic Disease Prevention and Control, Jiangsu Provincial Key Laboratory on Parasites and Vector Control Technology, Jiangsu Institute of Parasitic Diseases, Wuxi, Jiangsu, China
| | - Shanchao Hong
- Department of Clinical Laboratory, Jiangnan University Medical Center, Wuxi, Jiangsu, China
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3
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Casella R, Miniello A, Buta F, Yacoub MR, Nettis E, Pioggia G, Gangemi S. Atopic Dermatitis and Autism Spectrum Disorders: Common Role of Environmental and Clinical Co-Factors in the Onset and Severity of Their Clinical Course. Int J Mol Sci 2024; 25:8936. [PMID: 39201625 PMCID: PMC11354676 DOI: 10.3390/ijms25168936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 08/11/2024] [Accepted: 08/14/2024] [Indexed: 09/02/2024] Open
Abstract
Increasing evidence suggests an association between atopic dermatitis, the most chronic inflammatory disease of the skin, and autism spectrum disorders, which are a group of neurodevelopmental diseases. Inflammation and immune dysregulation associated with genetic and environmental factors seem to characterize the pathophysiological mechanisms of both conditions. We conducted a literature review of the PubMed database aimed at identifying the clinical features and alleged risk factors that could be used in clinical practice to predict the onset of ASD and/or AD or worsen their prognosis in the context of comorbidities.
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Affiliation(s)
- Rossella Casella
- Department of Emergency and Organ Transplantation, School of Allergology and Clinical Immunology, University of Bari Aldo Moro, Policlinico di Bari, 70120 Bari, Italy
| | - Andrea Miniello
- Department of Emergency and Organ Transplantation, School of Allergology and Clinical Immunology, University of Bari Aldo Moro, Policlinico di Bari, 70120 Bari, Italy
| | - Federica Buta
- School and Division of Allergy and Clinical Immunology, Department of Clinical and Experimental Medicine, University of Messina, 98122 Messina, Italy; (F.B.)
| | - Mona-Rita Yacoub
- Unit of Immunology, Rheumatology, Allergy and Rare Diseases, IRCCS Hospital San Raffaele, 20132 Milan, Italy
| | - Eustachio Nettis
- Department of Emergency and Organ Transplantation, School of Allergology and Clinical Immunology, University of Bari Aldo Moro, Policlinico di Bari, 70120 Bari, Italy
| | - Giovanni Pioggia
- Institute for Biomedical Research and Innovation (IRIB), National Research Council of Italy (CNR), 98164 Messina, Italy
| | - Sebastiano Gangemi
- School and Division of Allergy and Clinical Immunology, Department of Clinical and Experimental Medicine, University of Messina, 98122 Messina, Italy; (F.B.)
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4
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Monedeiro F, Ehall B, Tiffner K, Eberl A, Svehlikova E, Prietl B, Pfeifer V, Senekowitsch J, Remm A, Rebane A, Magnes C, Pieber T, Sinner F, Birngruber T. Characterization of Inflammatory Mediators and Metabolome in Interstitial Fluid Collected with Dermal Open Flow Microperfusion before and at the End of Dupilumab Treatment in Atopic Dermatitis. J Proteome Res 2024; 23:3496-3514. [PMID: 38986055 PMCID: PMC11304394 DOI: 10.1021/acs.jproteome.4c00153] [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: 02/29/2024] [Revised: 06/07/2024] [Accepted: 06/20/2024] [Indexed: 07/12/2024]
Abstract
Dupilumab is a monoclonal antibody approved for the treatment of atopic dermatitis (AD); however, its effects on molecular, cellular, and immunological levels remain to be elucidated. In this study, blood and dermal interstitial fluid (ISF) from nonlesional (NL) and lesional (L) skin were collected from eight patients with moderate to severe AD, before (visit 2-v2) and at the end of a 16-week treatment with dupilumab (visit 10-v10). Clinical treatment effect was demonstrated by significantly decreased AD severity scores at the end of treatment. At v10 versus v2, the percentages of CD4+ interleukin-producing cells showed a decreasing trend in ISF L and NL, unbound IL-4 levels in plasma were increased, IL-5 levels in ISF L reduced, and levels of factors involved in anti-inflammatory pathways and re-epithelization increased. At v2, ISF L showed that AD lesions might have altered amino acid pathways and lipid signaling compared to ISF NL. At v10, ISF L exhibited raised levels of long- and very-long-chain fatty acids and lipids compared to v2. Furthermore, dupilumab administration caused reduced expression of miR-155-5p and miR-378a-3p in ISF L. In conclusion, results from the present study provided novel knowledge by linking local immune and metabolic alterations to AD pathogenesis and treatment response.
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Affiliation(s)
- Fernanda Monedeiro
- HEALTH
− Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft mbH, Neue Stiftingtalstraße 2, Graz 8010, Austria
| | - Barbara Ehall
- Division
of Endocrinology and Diabetology, Medical
University of Graz, Neue Stiftingtalstraße 6, Graz 8010, Austria
- BioTechMed, Mozartgasse
12, Graz 8010, Austria
| | - Katrin Tiffner
- HEALTH
− Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft mbH, Neue Stiftingtalstraße 2, Graz 8010, Austria
| | - Anita Eberl
- HEALTH
− Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft mbH, Neue Stiftingtalstraße 2, Graz 8010, Austria
| | - Eva Svehlikova
- Division
of Endocrinology and Diabetology, Medical
University of Graz, Neue Stiftingtalstraße 6, Graz 8010, Austria
| | - Barbara Prietl
- Division
of Endocrinology and Diabetology, Medical
University of Graz, Neue Stiftingtalstraße 6, Graz 8010, Austria
- Center
for Biomarker Research in Medicine (CBmed) GmbH, Stiftingtalstrasse 5, Graz 8010, Austria
| | - Verena Pfeifer
- Division
of Endocrinology and Diabetology, Medical
University of Graz, Neue Stiftingtalstraße 6, Graz 8010, Austria
- Center
for Biomarker Research in Medicine (CBmed) GmbH, Stiftingtalstrasse 5, Graz 8010, Austria
| | - Julia Senekowitsch
- Division
of Endocrinology and Diabetology, Medical
University of Graz, Neue Stiftingtalstraße 6, Graz 8010, Austria
| | - Anu Remm
- Institute
of Biomedicine and Translational Medicine, University of Tartu, Biomeedikum, Ravila 19, Tartu 50411, Estonia
| | - Ana Rebane
- Institute
of Biomedicine and Translational Medicine, University of Tartu, Biomeedikum, Ravila 19, Tartu 50411, Estonia
| | - Christoph Magnes
- HEALTH
− Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft mbH, Neue Stiftingtalstraße 2, Graz 8010, Austria
| | - Thomas Pieber
- HEALTH
− Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft mbH, Neue Stiftingtalstraße 2, Graz 8010, Austria
- Division
of Endocrinology and Diabetology, Medical
University of Graz, Neue Stiftingtalstraße 6, Graz 8010, Austria
- Center
for Biomarker Research in Medicine (CBmed) GmbH, Stiftingtalstrasse 5, Graz 8010, Austria
| | - Frank Sinner
- HEALTH
− Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft mbH, Neue Stiftingtalstraße 2, Graz 8010, Austria
- Division
of Endocrinology and Diabetology, Medical
University of Graz, Neue Stiftingtalstraße 6, Graz 8010, Austria
| | - Thomas Birngruber
- HEALTH
− Institute for Biomedical Research and Technologies, Joanneum Research Forschungsgesellschaft mbH, Neue Stiftingtalstraße 2, Graz 8010, Austria
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Roso-Mares A, Andújar I, Díaz Corpas T, Sun BK. Non-coding RNAs as skin disease biomarkers, molecular signatures, and therapeutic targets. Hum Genet 2024; 143:801-812. [PMID: 37580609 DOI: 10.1007/s00439-023-02588-4] [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: 03/30/2023] [Accepted: 07/23/2023] [Indexed: 08/16/2023]
Abstract
Non-coding RNAs (ncRNAs) are emerging as biomarkers, molecular signatures, and therapeutic tools and targets for diseases. In this review, we focus specifically on skin diseases to highlight how two classes of ncRNAs-microRNAs and long noncoding RNAs-are being used to diagnose medical conditions of unclear etiology, improve our ability to guide treatment response, and predict disease prognosis. Furthermore, we explore how ncRNAs are being used as both as drug targets and associated therapies have unique benefits, risks, and challenges to development, but offer a distinctive promise for improving patient care and outcomes.
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Affiliation(s)
- Andrea Roso-Mares
- Department of Dermatology, University of California San Diego, San Diego, CA, USA
- Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
| | - Isabel Andújar
- Department of Pharmacology, University of Valencia, Valencia, Spain
| | - Tania Díaz Corpas
- Faculty of Medicine and Dentistry, University of Valencia, Valencia, Spain
- Department of Dermatology, Hospital Dr Peset, Valencia, Spain
| | - Bryan K Sun
- Department of Dermatology, University of California San Diego, San Diego, CA, USA.
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6
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Ho PY, Huang YC. MicroRNA-146a Signature in Psoriasis: A Systematic Review and Meta-Analysis. Mol Diagn Ther 2024; 28:379-388. [PMID: 38773009 DOI: 10.1007/s40291-024-00714-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/25/2024] [Indexed: 05/23/2024]
Abstract
BACKGROUND Psoriasis is a chronic, inflammatory, T-cell-mediated disease with a multifactorial pathogenesis. MicroRNA (miRNA) alteration in psoriasis has been identified within the last few years. In particular, miR-146a levels were altered. However, previous studies have equivocal or even contradictory findings. OBJECTIVE The current study aimed to perform a systematic review and meta-analysis to evaluate the miRNA expression profile in different tissues in patients with psoriasis. Further, the correlation between miR-146a levels and psoriasis severity as well as the specific expression patterns of the miR-146a profile in patients with psoriasis after treatment were evaluated. METHODS To retrieve studies investigating the correlation between miRNA and psoriasis, a comprehensive search of databases including PubMed, Cochrane Library, and Embase was performed from inception to 30 June 2023. Relevant journals and references of the included studies were also reviewed. A meta-analysis was conducted using the comprehensive meta-analysis version 3. RESULTS The correlation between the miR-146a expression levels and psoriasis susceptibility in 14 studies was assessed. Results showed that the miR-146a expression level was upregulated in psoriasis samples [P = 0.001, standardized mean difference (SMD) = 1.489, 95% confidence interval (CI) = 0.618-2.360]. In a subgroup analysis based on sample type, the correlation between the peripheral blood mononuclear cell, blood, and tissue miR-146a expression level and psoriasis was significant (SMD = 1.293, 95% CI 0.310-2.276, P = 0.01; SMD = 2.526, 95% CI 1.710-3.342, P = 0.000; SMD = 3.153, 95% CI 1.432-4.874, P = 0.00, respectively). A positive correlation was observed between the miR-146a expression levels and Psoriasis Area and Severity Index (PASI) score. However, the result was not statistically significant (correlation coefficient = 0.29, 95% CI - 0.038 to 0.575, P = 0.081). Further, the miR-146a levels decreased after treatment (SMD = - 1.592, 95% CI - 2.067 to - 1.117, P = 0.000, I2 = 74.104). CONCLUSIONS The miR-146a expression level is positively correlated with and can contribute to the pathobiology of psoriasis.
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Affiliation(s)
- Pei-Yun Ho
- Department of Dermatology, Wan Fang Hospital, Wenshan District, Taipei Medical University, 111, Hsing-Long Road Sec. 3, Taipei City, 116, Taiwan, ROC
| | - Yu-Chen Huang
- Department of Dermatology, Wan Fang Hospital, Wenshan District, Taipei Medical University, 111, Hsing-Long Road Sec. 3, Taipei City, 116, Taiwan, ROC.
- Research Center of Big Data and Meta-analysis, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan, ROC.
- Department of Dermatology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan, ROC.
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7
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Wang J, Huang Y, Wu X, Li D. MicroRNA-939 amplifies Staphylococcus aureus-induced matrix metalloproteinase expression in atopic dermatitis. Front Immunol 2024; 15:1354154. [PMID: 38903509 PMCID: PMC11188349 DOI: 10.3389/fimmu.2024.1354154] [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: 12/15/2023] [Accepted: 05/21/2024] [Indexed: 06/22/2024] Open
Abstract
Background Atopic dermatitis (AD) is a common chronic inflammatory skin diseases that seriously affects life quality of the patients. Staphylococcus aureus (S. aureus) colonization on the skin plays an important role in the pathogenesis of AD; however, the mechanism of how it modulates skin immunity to exacerbate AD remains unclear. MicroRNAs are short non-coding RNAs that act as post-transcriptional regulators of genes. They are involved in the pathogenesis of various inflammatory skin diseases. Methods In this study, we established miRNA expression profiles for keratinocytes stimulated with heat-killed S. aureus (HKSA). The expression of miR-939 in atopic dermatitis patients was analyzed by fluorescence in situ hybridization (FISH). miR-939 mimic was transfected to human primary keratinocyte to investigate its impact on the expression of matrix metalloproteinase genes (MMPs) in vitro. Subsequently, miR-939, along with Polyplus transfection reagent, was administered to MC903-induced atopic dermatitis skin to assess its function in vivo. Results MiR-939 was highly upregulated in HKSA-stimulated keratinocytes and AD lesions. In vitro studies revealed that miR-939 increased the expression of matrix metalloproteinase genes, including MMP1, MMP3, and MMP9, as well as the cell adhesion molecule ICAM1 in human primary keratinocytes. In vivo studies indicated that miR-939 increased the expression of matrix metalloproteinases to promote the colonization of S. aureus and exacerbated S. aureus-induced AD-like skin inflammation. Conclusions Our work reveals miR-939 is an important regulator of skin inflammation in AD that could be used as a potential therapeutic target for AD.
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Affiliation(s)
- Jiating Wang
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Yejing Huang
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Xinfeng Wu
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Dongqing Li
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
- Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China
- Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Nanjing, China
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8
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Kim J. Precision medicine to personalize medicine in allergic airway disease. Curr Opin Allergy Clin Immunol 2024; 24:109-113. [PMID: 38547381 DOI: 10.1097/aci.0000000000000976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
PURPOSE OF REVIEW The purpose of this study is to understand the approach to precision medicine and personalized medicine in the management of allergic airway disease. RECENT FINDINGS Identification of biomarkers as key tools used in precision medicine has led to the development of multiple biologic drugs being used as new treatments for allergic airway disease. SUMMARY In addition to these advances, there is still much needed effort to improve the feasibility and utility of integrating biologic omics data of precision medicine with physicochemical, behavioral, psychological, and social data to deliver optimized treatments that is personalized for each individual.
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Affiliation(s)
- Jean Kim
- Johns Hopkins University School of Medicine, Department of Otolaryngology-Head and Neck Surgery, Division of Rhinology, Department of Medicine, Division of Allergy and Clinical Immunology, Baltimore, Maryland, USA
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Taruselli MT, Qayum AA, Abebayehu D, Caslin HL, Dailey JM, Kotha A, Burchett JR, Kee SA, Maldonado TD, Ren B, Chao W, Zou L, Haque TT, Straus D, Ryan JJ. IL-33 Induces Cellular and Exosomal miR-146a Expression as a Feedback Inhibitor of Mast Cell Function. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2024; 212:1277-1286. [PMID: 38381001 PMCID: PMC10984763 DOI: 10.4049/jimmunol.2200916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 01/30/2024] [Indexed: 02/22/2024]
Abstract
IL-33 is an inflammatory cytokine that promotes allergic disease by activating group 2 innate lymphoid cells, Th2 cells, and mast cells. IL-33 is increased in asthmatics, and its blockade suppresses asthma-like inflammation in mouse models. Homeostatic control of IL-33 signaling is poorly understood. Because the IL-33 receptor, ST2, acts via cascades used by the TLR family, similar feedback mechanisms may exist. MicroRNA (miR)-146a is induced by LPS-mediated TLR4 signaling and serves as a feedback inhibitor. Therefore, we explored whether miR-146a has a role in IL-33 signaling. IL-33 induced cellular and exosomal miR-146a expression in mouse bone marrow-derived mast cells (BMMCs). BMMCs transfected with a miR-146a antagonist or derived from miR-146a knockout mice showed enhanced cytokine expression in response to IL-33, suggesting that miR-146a is a negative regulator of IL-33-ST2 signaling. In vivo, miR-146a expression in plasma exosomes was elevated after i.p. injection of IL-33 in wild-type but not mast cell-deficient KitW-sh/W-sh mice. Finally, KitW-sh/W-sh mice acutely reconstituted with miR-146a knockout BMMCs prior to IL-33 challenge had elevated plasma IL-6 levels compared with littermates receiving wild-type BMMCs. These results support the hypothesis that miR-146a is a feedback regulator of IL-33-mediated mast cell functions associated with allergic disease.
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Affiliation(s)
| | - Amina Abdul Qayum
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284
| | - Daniel Abebayehu
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284
| | - Heather L. Caslin
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284
| | - Jordan M. Dailey
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284
| | - Aditya Kotha
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284
| | - Jason R. Burchett
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284
| | - Sydney A. Kee
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284
| | - Tania D. Maldonado
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284
| | - Boyang Ren
- Center for Shock, Trauma and Anesthesiology Research, University of Maryland School of Medicine, HSF2 G-S003B, 20 Penn Street, Baltimore, 21201
| | - Wei Chao
- Center for Shock, Trauma and Anesthesiology Research, University of Maryland School of Medicine, HSF2 G-S003B, 20 Penn Street, Baltimore, 21201
| | - Lin Zou
- Center for Shock, Trauma and Anesthesiology Research, University of Maryland School of Medicine, HSF2 G-S003B, 20 Penn Street, Baltimore, 21201
| | - Tamara T. Haque
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284
| | - David Straus
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284
| | - John J. Ryan
- Department of Biology, Virginia Commonwealth University, Richmond, VA 23284
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10
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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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11
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Liu Y, Zhou M, Zheng N, Xu H, Chen X, Duan Z, Lin T, Zeng R, Chen Q, Li M. Hsa_circ_0105040 promotes Cutbacterium acnes biofilm induced inflammation via sponge miR-146a in human keratinocyte. Int Immunopharmacol 2024; 127:111424. [PMID: 38141413 DOI: 10.1016/j.intimp.2023.111424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 12/17/2023] [Accepted: 12/18/2023] [Indexed: 12/25/2023]
Abstract
Acne is a chronic inflammatory skin disease, and the pathogenesis of acne induced by Cutibacterium acnes (C.acnes) is not well understood. Recently, circular RNAs (circRNAs) have attracted much attention because of its involvement in various diseases. However, the mechanisms by which circRNAs regulated acne have rarely been reported. We identified several differentially expressed circRNAs by sequencing patient-derived acne tissues. Among them, hsa_circ_0105040 was determined to be low expressed in acne tissues and localized in the cytoplasm of human primary keratinocytes. We established a C.acnes biofilms model of acne in vitro and showed that hsa_circ_0105040 promoted inflammation via MAPK and NF-κB pathway. Mechanistically, hsa_circ_0105040 could directly bind to miR-146a and inhibit the expression of miR-146a. Moreover, hsa_circ_0105040 promoted the expression of IRAK1 and TRAF6 by sponging miR-146a, thereby elevating the level of inflammation in acne. Collectively, our data suggested that hsa_circ_0105040- miR-146a -IRAK1/TRAF6 axis was involved in regulating the inflammatory response in acne, which provided a potential therapeutic target for acne and a novel insight into the pathogenesis of inflammatory acne.
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Affiliation(s)
- Yuzhen Liu
- Department of Dermatology, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing 211100, China
| | - Meng Zhou
- Department of Laser Surgery, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing 210042, China
| | - Nana Zheng
- Department of Dermatology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing 210003, China
| | - Haoxiang Xu
- Department of Laser Surgery, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing 210042, China
| | - Xu Chen
- Department of Laser Surgery, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing 210042, China
| | - Zhimin Duan
- Department of Laser Surgery, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing 210042, China
| | - Tong Lin
- Department of Laser Surgery, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing 210042, China
| | - Rong Zeng
- Department of Laser Surgery, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing 210042, China; Department of Dermatology, Yunnan Provincial Hospital of Traditional Chinese Medicine, No.120 Guanghua Rd, Kunming, Yunnan 650021, China.
| | - Qing Chen
- Department of Transfusion Medicine, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu 210008, China; Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China.
| | - Min Li
- Department of Laser Surgery, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing 210042, China; Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, Jiangsu 211166, China.
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12
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Rusiñol L, Puig L. Multi-Omics Approach to Improved Diagnosis and Treatment of Atopic Dermatitis and Psoriasis. Int J Mol Sci 2024; 25:1042. [PMID: 38256115 PMCID: PMC10815999 DOI: 10.3390/ijms25021042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 01/07/2024] [Accepted: 01/10/2024] [Indexed: 01/24/2024] Open
Abstract
Psoriasis and atopic dermatitis fall within the category of cutaneous immune-mediated inflammatory diseases (IMIDs). The prevalence of IMIDs is increasing in industrialized societies, influenced by both environmental changes and a genetic predisposition. However, the exact immune factors driving these chronic, progressive diseases are not fully understood. By using multi-omics techniques in cutaneous IMIDs, it is expected to advance the understanding of skin biology, uncover the underlying mechanisms of skin conditions, and potentially devise precise and personalized approaches to diagnosis and treatment. We provide a narrative review of the current knowledge in genomics, epigenomics, and proteomics of atopic dermatitis and psoriasis. A literature search was performed for articles published until 30 November 2023. Although there is still much to uncover, recent evidence has already provided valuable insights, such as proteomic profiles that permit differentiating psoriasis from mycosis fungoides and β-defensin 2 correlation to PASI and its drop due to secukinumab first injection, among others.
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Affiliation(s)
- Lluís Rusiñol
- Department of Dermatology, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain;
- Institut de Recerca Sant Pau (IR SANT PAU), 08041 Barcelona, Spain
- Unitat Docent Hospital Universitari Sant Pau, Universitat Autònoma de Barcelona, 08025 Barcelona, Spain
| | - Lluís Puig
- Department of Dermatology, Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain;
- Institut de Recerca Sant Pau (IR SANT PAU), 08041 Barcelona, Spain
- Unitat Docent Hospital Universitari Sant Pau, Universitat Autònoma de Barcelona, 08025 Barcelona, Spain
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13
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Li Y, Wu Q. KRT6A Inhibits IL-1β-Mediated Pyroptosis of Keratinocytes via Blocking IL-17 Signaling. Crit Rev Eukaryot Gene Expr 2024; 34:1-11. [PMID: 38505868 DOI: 10.1615/critreveukaryotgeneexpr.2023050039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
Keratin 6A (KRT6A) is involved in the pathogenesis of various skin diseases. However, the reports on the roles of KRT6A in atopic dermatitis (AD) are limited. This study aimed to investigate the potentials of KRT6A in AD. mRNA levels were detected by RT-PCR. Cytokine release was determined by ELISA. Protein expression was determined using Western blot. Cell viability was determined by CCK-8. Cytotoxicity was detected by LDH assay. Cell death was determined by TUNEL. The pyroptosis of keratinocytes was detected using flow cytometry. We found that KRT6A was overexpressed in AD patients. Moreover, KRT6A was stimulated after exposed to proinflammatory cytokines. Overexpressed KRT6A suppressed inflammatory response, while KRT6A knockdown exerted the opposite effects. Overexpressed KRT6A suppressed inflammation-induced pyroptosis of keratinocytes. Additionally, KRT6A negatively regulated interleukin-17a (IL-17a) expression, blocking IL-17 signaling. IL-17a overexpression antagonized the effects of KRT6A and promoted pyroptosis of keratinocytes. In conclusion, KRT6A exerted protective functions in AD via regulating IL-17 signaling. This KRT6A/IL-17 may be a novel target for AD.
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Affiliation(s)
- Yuan Li
- Department of Dermatology, Union Jiangbei Hospital Huazhong University of Science and Technology (Caidian District People's Hospital of Wuhan), Wuhan City, Hubei Province 430100, China
| | - Qi Wu
- Wuhan Jiangxia District Traditional Chinese Medicine Hospital
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14
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Dessì A, Di Maria C, Pintus R, Fanos V, Bosco A. Lipidomics and Metabolomics in Infant Atopic Dermatitis: What's the Correlation with Early Nutrition? Curr Pediatr Rev 2024; 20:510-524. [PMID: 37055903 DOI: 10.2174/1573396320666230411093122] [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: 11/19/2022] [Revised: 02/22/2023] [Accepted: 03/02/2023] [Indexed: 04/15/2023]
Abstract
To date, the complex picture of atopic dermatitis (AD) has not yet been fully clarified, despite the important prevalence of this disease in the pediatric population (20%) and the possibility of persistence into adulthood, with important implications for the quality of life of those affected, as well as significant social and financial costs. The most recent scientific evidence suggests a new interpretation of AD, highlighting the important role of the environment, particularly that of nutrition in the early stages of development. In fact, the new indications seem to point out the harmful effect of elimination diets, except in rare cases, the uselessness of chrono-insertions during complementary feeding and some benefits, albeit weak, of breastfeeding in those at greater risk. In this context, metabolomics and lipidomics can be necessary for a more in-depth knowledge of the complex metabolic network underlying this pathology. In fact, an alteration of the metabolic contents in children with AD has been highlighted, especially in correlation to the intestinal microbiota. While preliminary lipidomic studies showed the usefulness of a more in-depth knowledge of the alterations of the skin barrier to improve the development of baby skin care products. Therefore, investigating the response of different allergic phenotypes could be useful for better patient management and understanding, thus providing an early intervention on dysbiosis necessary to regulate the immune response from the earliest stages of development.
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Affiliation(s)
- Angelica Dessì
- Department of Surgical Sciences, University of Cagliari and Neonatal Intensive Care Unit, AOU Cagliari, Cagliari, Italy
| | - Camilla Di Maria
- Department of Surgical Sciences, University of Cagliari and Neonatal Intensive Care Unit, AOU Cagliari, Cagliari, Italy
| | - Roberta Pintus
- Department of Surgical Sciences, University of Cagliari and Neonatal Intensive Care Unit, AOU Cagliari, Cagliari, Italy
| | - Vassilios Fanos
- Department of Surgical Sciences, University of Cagliari and Neonatal Intensive Care Unit, AOU Cagliari, Cagliari, Italy
| | - Alice Bosco
- Department of Surgical Sciences, University of Cagliari and Neonatal Intensive Care Unit, AOU Cagliari, Cagliari, Italy
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15
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Wen W, Wei Y, Gao S. Functional nucleic acids for the treatment of diabetic complications. NANOSCALE ADVANCES 2023; 5:5426-5434. [PMID: 37822913 PMCID: PMC10563837 DOI: 10.1039/d3na00327b] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 08/26/2023] [Indexed: 10/13/2023]
Abstract
In recent decades, diabetes mellitus (DM) has become a major global health problem owing to its high prevalence and increased incidence of diabetes-associated complications, including diabetic wounds (DWs), diabetic nephropathy, metabolic syndrome, diabetic retinopathy, and diabetic neuropathy. In both type 1 and type 2 diabetes, tissue damage is organ-specific, but closely related to the overproduction of reactive oxygen species (ROS) and hyperglycaemia-induced macrovascular system damage. However, existing therapies have limited effects on complete healing of diabetic complications. Fortunately, recent advances in functional nucleic acid materials have provided new opportunities for the treatment and diagnosis of diabetic complications. Functional nucleic acids possess independent structural functions that can replace traditional proteases and antibodies and perform specific biological non-genetic functions. This review summarises the current functional nucleic acid materials reported for the treatment of diabetic complications, including tetrahedral framework nucleic acids (tFNAs), short interfering RNA (siRNA), micorRNA (miRNA), locked nucleic acids, antisense oligonucleotides (ASOs), and DNA origami, which may assist in the development of novel nucleic acids with new functions and capabilities for better healing of diabetic complications.
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Affiliation(s)
- Wen Wen
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University Chengdu 610041 Sichuan China
| | - Yuzi Wei
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University Chengdu 610041 Sichuan China
| | - Shaojingya Gao
- State Key Laboratory of Oral Diseases, National Center for Stomatology, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University Chengdu 610041 Sichuan China
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16
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Jiang X, Shi R, Ma R, Tang X, Gong Y, Yu Z, Shi Y. The role of microRNA in psoriasis: A review. Exp Dermatol 2023; 32:1598-1612. [PMID: 37382420 DOI: 10.1111/exd.14871] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 05/23/2023] [Accepted: 06/19/2023] [Indexed: 06/30/2023]
Abstract
Psoriasis is a chronic immune-mediated inflammatory skin disease that involves a complex interplay between infiltrated immune cells and keratinocytes. Great progress has been made in the research on the molecular mechanism of coding and non-coding genes, which has helped in clinical treatment. However, our understanding of this complex disease is far from clear. MicroRNAs (miRNAs) are small non-coding RNA molecules that are involved in post-transcriptional regulation, characterised by their role in mediating gene silencing. Recent studies on miRNAs have revealed their important role in the pathogenesis of psoriasis. We reviewed the current advances in the study of miRNAs in psoriasis; the existing research has found that dysregulated miRNAs in psoriasis notably affect keratinocyte proliferation and/or differentiation processes, as well as inflammation progress. In addition, miRNAs also influence the function of immune cells in psoriasis, including CD4+ T cells, dendritic cells, Langerhans cells and so on. In addition, we discuss possible miRNA-based therapy for psoriasis, such as the topical delivery of exogenous miRNAs, miRNA antagonists and miRNA mimics. Our review highlights the potential role of miRNAs in the pathogenesis of psoriasis, and we expect more research progress with miRNAs in the future, which will help us understand this complex skin disease more accurately.
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Affiliation(s)
- Xingyu Jiang
- Department of Dermatology, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China
- Department of Dermatology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
- Institute of Psoriasis, Tongji University School of Medicine, Shanghai, China
| | - Rongcan Shi
- Department of Dermatology, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China
- Department of Dermatology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
- Institute of Psoriasis, Tongji University School of Medicine, Shanghai, China
| | - Rui Ma
- Department of Dermatology, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China
- Institute of Psoriasis, Tongji University School of Medicine, Shanghai, China
| | - Xinyi Tang
- Department of Dermatology, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China
- Department of Dermatology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
- Institute of Psoriasis, Tongji University School of Medicine, Shanghai, China
| | - Yu Gong
- Department of Dermatology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
- Institute of Psoriasis, Tongji University School of Medicine, Shanghai, China
| | - Zengyang Yu
- Department of Dermatology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
- Institute of Psoriasis, Tongji University School of Medicine, Shanghai, China
| | - Yuling Shi
- Department of Dermatology, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China
- Department of Dermatology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
- Institute of Psoriasis, Tongji University School of Medicine, Shanghai, China
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17
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Duan W, Huang J, Wasti B, Chen Z, Yuan Y, He Y, Li D, Jia J, Liu S, Liu Y, Ma L, Zeng Q, Zhu L, Li J, Zhang X, Xiang X. miR-146a-3p as a potential novel therapeutic by targeting MBD2 to mediate Th17 differentiation in Th17 predominant neutrophilic severe asthma. Clin Exp Med 2023; 23:2839-2854. [PMID: 36961677 PMCID: PMC10543568 DOI: 10.1007/s10238-023-01033-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 02/25/2023] [Indexed: 03/25/2023]
Abstract
Th17 (T-helper 17) cells subtype of non-T2 (non-type 2) asthma is related to neutrophilic infiltration and resistance to inhaled corticosteroids (ICS), so is also known as severe asthma. Methyl-CpG binding domain protein 2 (MBD2) regulates the differentiation of the Th17 cells, tending to show a therapeutic target in severe asthma. miR-146a-3p is associated with anti-inflammatory characteristics and immunity. Moreover, bioinformatic analysis showed that MBD2 may be a target gene of miR-146a-3p. However, the role of miR-146a-3p in the differentiation of Th17 cells via MBD2 in severe asthma remains unknown. Here, we aimed to explore how miR-146a-3p interacts with MBD2 and affects the differentiation of Th17 cells in severe asthma. First, we recruited 30 eligible healthy people and 30 patients with severe asthma to detect the expression of miR-146a-3p in peripheral blood mononuclear cells (PBMCs) by qRT-PCR. Then, we established a HDM/LPS (house dust mite/lipopolysaccharide) exposure model of bronchial epithelial cells (BECs) to evaluate the expression of miR-146a-3p, the interaction between miR-146a-3p and MBD2 using western blot and luciferase reporter analysis and the effect of miR-146a-3p regulated Th17 cells differentiation by flow cytometry in BECs in vitro. Finally, we constructed a mouse model of Th17 predominant neutrophilic severe asthma to assess the therapeutic potential of miR-146a-3p in severe asthma and the effect of miR-146a-3p regulated Th17 cells differentiation via MBD2 in vivo. Decreased miR-146a-3p expression was noted in severe asthma patients, in the BECs and in the animal severe asthma models. Moreover, we demonstrated that miR-146a-3p suppressed Th17 cells differentiation by targeting the MBD2. miR-146a-3p overexpression significantly reduced airway hyperresponsiveness, airway inflammation and airway mucus secretion, while also inhibiting Th17 cells response in vivo, which relieved severe asthma. By targeting MBD2 to suppress Th17 cells differentiation, miR-146a-3p provides a potential novel therapeutic for Th17 predominant neutrophilic severe asthma.
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Affiliation(s)
- Wentao Duan
- Department of Respiratory and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Jin Huang
- Changsha Social Work College, Changsha, 410004, China
| | - Binaya Wasti
- Department of Respiratory and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Zhifeng Chen
- Department of Respiratory and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Yu Yuan
- Department of Respiratory and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Yi He
- Department of Respiratory and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Danhong Li
- Department of Respiratory and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Jingsi Jia
- Department of Emergency, The Second Xiangya Hospital, Central South University, 139 Middle RenminRoad, 410011, Changsha, China
| | - Shaokun Liu
- Department of Respiratory and Critical Care Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Yi Liu
- Department of Respiratory and Critical Care Medicine, Zhuzhou City Central Hospital, Zhuzhou, 412007, China
| | - Libing Ma
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Guilin Medical College, Guilin, 541001, China
| | - Qingping Zeng
- Department of Respiratory and Critical Care Medicine, Longshan County People's Hospital, Longshan, 416800, China
| | - Liming Zhu
- Department of Respiratory and Critical Care Medicine, Hunan Provincial People's Hospital (The First-Affiliated Hospital of Hunan Normal University), Guhan Road No. 89, Changsha, 410016, China.
| | - Jianmin Li
- Department of Respiratory and Critical Care Medicine, Hunan Provincial People's Hospital (The First-Affiliated Hospital of Hunan Normal University), Guhan Road No. 89, Changsha, 410016, China.
| | - Xiufeng Zhang
- Department of Respiratory Medicine, The Second Affiliated Hospital of Hainan Medical College University, 570000, Haikou, China.
| | - Xudong Xiang
- Department of Emergency, The Second Xiangya Hospital, Central South University, 139 Middle RenminRoad, 410011, Changsha, China.
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18
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Pessôa R, Clissa PB, Sanabani SS. The Interaction between the Host Genome, Epigenome, and the Gut-Skin Axis Microbiome in Atopic Dermatitis. Int J Mol Sci 2023; 24:14322. [PMID: 37762624 PMCID: PMC10532357 DOI: 10.3390/ijms241814322] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/14/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
Atopic dermatitis (AD) is a chronic inflammatory skin disease that occurs in genetically predisposed individuals. It involves complex interactions among the host immune system, environmental factors (such as skin barrier dysfunction), and microbial dysbiosis. Genome-wide association studies (GWAS) have identified AD risk alleles; however, the associated environmental factors remain largely unknown. Recent evidence suggests that altered microbiota composition (dysbiosis) in the skin and gut may contribute to the pathogenesis of AD. Examples of environmental factors that contribute to skin barrier dysfunction and microbial dysbiosis in AD include allergens, irritants, pollution, and microbial exposure. Studies have reported alterations in the gut microbiome structure in patients with AD compared to control subjects, characterized by increased abundance of Clostridium difficile and decreased abundance of short-chain fatty acid (SCFA)-producing bacteria such as Bifidobacterium. SCFAs play a critical role in maintaining host health, and reduced SCFA production may lead to intestinal inflammation in AD patients. The specific mechanisms through which dysbiotic bacteria and their metabolites interact with the host genome and epigenome to cause autoimmunity in AD are still unknown. By understanding the combination of environmental factors, such as gut microbiota, the genetic and epigenetic determinants that are associated with the development of autoantibodies may help unravel the pathophysiology of the disease. This review aims to elucidate the interactions between the immune system, susceptibility genes, epigenetic factors, and the gut microbiome in the development of AD.
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Affiliation(s)
- Rodrigo Pessôa
- Postgraduate Program in Translational Medicine, Department of Medicine, Federal University of Sao Paulo (UNIFESP), Sao Paulo 04039-002, Brazil;
| | | | - Sabri Saeed Sanabani
- Laboratory of Medical Investigation LIM-56, Division of Dermatology, Medical School, University of Sao Paulo, Sao Paulo 05508-220, Brazil
- Laboratory of Medical Investigation Unit 03, Clinics Hospital, Faculty of Medicine, University of Sao Paulo, Sao Paulo 05403-000, Brazil
- Laboratory of Dermatology and Immunodeficiency LIM56/03, Instituto de Medicina Tropical de Sao Paulo, Faculdade de Medicina, University of Sao Paulo, Av. Dr. Eneas de Carvalho Aguiar, 470 3º Andar, Sao Paulo 05403-000, Brazil
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19
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Gilyazova I, Asadullina D, Kagirova E, Sikka R, Mustafin A, Ivanova E, Bakhtiyarova K, Gilyazova G, Gupta S, Khusnutdinova E, Gupta H, Pavlov V. MiRNA-146a-A Key Player in Immunity and Diseases. Int J Mol Sci 2023; 24:12767. [PMID: 37628949 PMCID: PMC10454149 DOI: 10.3390/ijms241612767] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/09/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023] Open
Abstract
miRNA-146a, a single-stranded, non-coding RNA molecule, has emerged as a valuable diagnostic and prognostic biomarker for numerous pathological conditions. Its primary function lies in regulating inflammatory processes, haemopoiesis, allergic responses, and other key aspects of the innate immune system. Several studies have indicated that polymorphisms in miRNA-146a can influence the pathogenesis of various human diseases, including autoimmune disorders and cancer. One of the key mechanisms by which miRNA-146a exerts its effects is by controlling the expression of certain proteins involved in critical pathways. It can modulate the activity of interleukin-1 receptor-associated kinase, IRAK1, IRAK2 adaptor proteins, and tumour necrosis factor (TNF) targeting protein receptor 6, which is a regulator of the TNF signalling pathway. In addition, miRNA-146a affects gene expression through multiple signalling pathways, such as TNF, NF-κB and MEK-1/2, and JNK-1/2. Studies have been carried out to determine the effect of miRNA-146a on cancer pathogenesis, revealing its involvement in the synthesis of stem cells, which contributes to tumourigenesis. In this review, we focus on recent discoveries that highlight the significant role played by miRNA-146a in regulating various defence mechanisms and oncogenesis. The aim of this review article is to systematically examine miRNA-146a's impact on the control of signalling pathways involved in oncopathology, immune system development, and the corresponding response to therapy.
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Affiliation(s)
- Irina Gilyazova
- Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Institute of Biochemistry and Genetics, 450054 Ufa, Russia (E.K.)
| | - Dilara Asadullina
- Institute of Urology and Clinical Oncology, Department of Medical Genetics and Fundamental Medicine, Bashkir State Medical University, 450008 Ufa, Russia (A.M.); (G.G.)
| | - Evelina Kagirova
- Institute of Urology and Clinical Oncology, Department of Medical Genetics and Fundamental Medicine, Bashkir State Medical University, 450008 Ufa, Russia (A.M.); (G.G.)
| | - Ruhi Sikka
- Department of Biotechnology, Institute of Applied Sciences and Humanities, GLA University, Mathura 281406, India
| | - Artur Mustafin
- Institute of Urology and Clinical Oncology, Department of Medical Genetics and Fundamental Medicine, Bashkir State Medical University, 450008 Ufa, Russia (A.M.); (G.G.)
| | - Elizaveta Ivanova
- Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Institute of Biochemistry and Genetics, 450054 Ufa, Russia (E.K.)
| | - Ksenia Bakhtiyarova
- Institute of Urology and Clinical Oncology, Department of Medical Genetics and Fundamental Medicine, Bashkir State Medical University, 450008 Ufa, Russia (A.M.); (G.G.)
| | - Gulshat Gilyazova
- Institute of Urology and Clinical Oncology, Department of Medical Genetics and Fundamental Medicine, Bashkir State Medical University, 450008 Ufa, Russia (A.M.); (G.G.)
| | - Saurabh Gupta
- Department of Biotechnology, Institute of Applied Sciences and Humanities, GLA University, Mathura 281406, India
| | - Elza Khusnutdinova
- Subdivision of the Ufa Federal Research Centre of the Russian Academy of Sciences, Institute of Biochemistry and Genetics, 450054 Ufa, Russia (E.K.)
- Institute of Urology and Clinical Oncology, Department of Medical Genetics and Fundamental Medicine, Bashkir State Medical University, 450008 Ufa, Russia (A.M.); (G.G.)
| | - Himanshu Gupta
- Department of Biotechnology, Institute of Applied Sciences and Humanities, GLA University, Mathura 281406, India
| | - Valentin Pavlov
- Institute of Urology and Clinical Oncology, Department of Medical Genetics and Fundamental Medicine, Bashkir State Medical University, 450008 Ufa, Russia (A.M.); (G.G.)
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Grafanaki K, Antonatos C, Maniatis A, Petropoulou A, Vryzaki E, Vasilopoulos Y, Georgiou S, Gregoriou S. Intrinsic Effects of Exposome in Atopic Dermatitis: Genomics, Epigenomics and Regulatory Layers. J Clin Med 2023; 12:4000. [PMID: 37373692 DOI: 10.3390/jcm12124000] [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: 05/12/2023] [Revised: 06/03/2023] [Accepted: 06/09/2023] [Indexed: 06/29/2023] Open
Abstract
Atopic dermatitis (AD) or atopic eczema is an increasingly manifested inflammatory skin disorder of complex etiology which is modulated by both extrinsic and intrinsic factors. The exposome includes a person's lifetime exposures and their effects. We recently reviewed the extrinsic exposome's environmental risk factors that contribute to AD. The periods of pregnancy, infancy, and teenage years are recognized as crucial stages in the formation of AD, where the exposome leads to enduring impacts on the immune system. However, research is now focusing on the interactions between intrinsic pathways that are modulated by the extrinsic exposome, including genetic variation, epigenetic modifications, and signals, such as diet, stress, and microbiome interactions. As a result, immune dysregulation, barrier dysfunction, hormonal fluctuations, and skin microbiome dysbiosis are important factors contributing to AD development, and their in-depth understanding is crucial not only for AD treatment but also for similar inflammatory disorders.
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Affiliation(s)
- Katerina Grafanaki
- Department of Dermatology-Venereology, School of Medicine, University of Patras, 26504 Patras, Greece
- Department of Biochemistry, School of Medicine, University of Patras, 26504 Patras, Greece
| | - Charalabos Antonatos
- Laboratory of Genetics, Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, 26504 Patras, Greece
| | - Alexandros Maniatis
- Department of Biochemistry, School of Medicine, University of Patras, 26504 Patras, Greece
| | - Antonia Petropoulou
- Department of Biochemistry, School of Medicine, University of Patras, 26504 Patras, Greece
| | - Eleftheria Vryzaki
- Department of Dermatology-Venereology, School of Medicine, University of Patras, 26504 Patras, Greece
| | - Yiannis Vasilopoulos
- Laboratory of Genetics, Section of Genetics, Cell Biology and Development, Department of Biology, University of Patras, 26504 Patras, Greece
| | - Sophia Georgiou
- Department of Dermatology-Venereology, School of Medicine, University of Patras, 26504 Patras, Greece
| | - Stamatis Gregoriou
- Department of Dermatology-Venereology, Faculty of Medicine, Andreas Sygros Hospital, National and Kapodistrian University of Athens, 16121 Athens, Greece
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Dopytalska K, Czaplicka A, Szymańska E, Walecka I. The Essential Role of microRNAs in Inflammatory and Autoimmune Skin Diseases-A Review. Int J Mol Sci 2023; 24:ijms24119130. [PMID: 37298095 DOI: 10.3390/ijms24119130] [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: 04/08/2023] [Revised: 05/17/2023] [Accepted: 05/19/2023] [Indexed: 06/12/2023] Open
Abstract
The etiopathogenesis of autoimmune skin diseases is complex and still not fully understood. The role of epigenetic factors is emphasized in the development of such diseases. MicroRNAs (miRNAs), a group of non-coding RNAs (ncRNAs-non-coding RNAs), are one of the important post-transcriptional epigenetic factors. miRNAs have a significant role in the regulation of the immune response by participating in the process of the differentiation and activation of B and T lymphocytes, macrophages, and dendritic cells. Recent advances in research on epigenetic factors have provided new insights into the pathogenesis and potential diagnostic and therapeutic targets of many pathologies. Numerous studies revealed a change in the expression of some microRNAs in inflammatory skin disorders, and the regulation of miRNA expression is a promising therapeutic goal. This review presents the state of the art regarding changes in the expression and role of miRNAs in inflammatory and autoimmune skin diseases, including psoriasis, atopic dermatitis, vitiligo, lichen planus, hidradenitis suppurativa, and autoimmune blistering diseases.
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Affiliation(s)
- Klaudia Dopytalska
- Department of Dermatology, Centre of Postgraduate Medical Education, 02-507 Warsaw, Poland
- Department of Dermatology, The National Institute of Medicine of the Ministry of the Interior and Administration, 02-507 Warsaw, Poland
| | - Anna Czaplicka
- Department of Dermatology, Centre of Postgraduate Medical Education, 02-507 Warsaw, Poland
- Department of Dermatology, The National Institute of Medicine of the Ministry of the Interior and Administration, 02-507 Warsaw, Poland
| | - Elżbieta Szymańska
- Department of Dermatology, Centre of Postgraduate Medical Education, 02-507 Warsaw, Poland
- Department of Dermatology, The National Institute of Medicine of the Ministry of the Interior and Administration, 02-507 Warsaw, Poland
| | - Irena Walecka
- Department of Dermatology, Centre of Postgraduate Medical Education, 02-507 Warsaw, Poland
- Department of Dermatology, The National Institute of Medicine of the Ministry of the Interior and Administration, 02-507 Warsaw, Poland
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22
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Khabou B, Fakhfakh R, Tahri S, Bahloul E, Hadj Kacem H, Belmabrouk S, Hachicha H, Sellami K, Turki H, Masmoudi H, Abida O. miRNA implication in the pathogenesis and the outcome of Tunisian endemic pemphigus foliaceous. Exp Dermatol 2023. [PMID: 37114366 DOI: 10.1111/exd.14821] [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: 11/30/2022] [Revised: 04/07/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023]
Abstract
Pemphigus foliaceous (PF) is a bullous autoimmune skin disease diagnosed through sera and skin analyses. PF severity is associated with maintained anti-Dsg1 sera levels and its prognosis is unpredictable. MicroRNA (miRNA), dynamic regulators of immune function, have been identified as potential biomarkers for some autoimmune diseases. This study aimed to assess the miRNA expression of miR-17-5p, miR-21-5p, miR-146a-5p, miR-155-5p and miR-338-3p using quantitative real-time PCR in peripheral blood mononuclear cells (PBMC) and lesional skin samples from untreated and treated PF patients (both remittent and chronic) over 3 months. Overall, miRNA expression was significantly higher in PBMC than in biopsy samples. Blood miR-21 expression was increased in untreated patients compared to controls and had a diagnostic value with an AUC of 0.78. After 6 weeks, it decreased significantly, similar to anti-Dsg1 antibodies and the PDAI score. In addition, a positive correlation was observed between cutaneous miR-21 expression and the disease activity score. Conversely, cutaneous expressions of miR-17, miR-146a and miR-155 were significantly higher in treated chronic patients compared to remittent ones. The cutaneous level of miR-155 positively correlated with pemphigus activity, making it a potential predictive marker for patients' clinical stratification with an AUC of 0.86.These findings suggest that blood miR-21 and cutaneous miR-155 can be used as supplemental markers for PF diagnosis and activity, respectively in addition to classical parameters.
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Affiliation(s)
- Boudour Khabou
- Autoimmunity, Cancer and Immunogenetics Research Laboratory (LR18SP12), Immunology Department, Habib Bourguiba Hospital, University of Sfax, Sfax, Tunisia
| | - Raouia Fakhfakh
- Autoimmunity, Cancer and Immunogenetics Research Laboratory (LR18SP12), Immunology Department, Habib Bourguiba Hospital, University of Sfax, Sfax, Tunisia
| | - Safa Tahri
- Autoimmunity, Cancer and Immunogenetics Research Laboratory (LR18SP12), Immunology Department, Habib Bourguiba Hospital, University of Sfax, Sfax, Tunisia
| | - Emna Bahloul
- Department of Dermatology, Hedi Chaker Hospital, University of Sfax, Sfax, Tunisia
| | - Hassen Hadj Kacem
- Department of Applied Biology College of Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Research Institute of Science and Engineering, University of Sharjah, Sharjah, United Arab Emirates
| | - Sabrine Belmabrouk
- Research Institute of Science and Engineering, University of Sharjah, Sharjah, United Arab Emirates
| | - Hend Hachicha
- Autoimmunity, Cancer and Immunogenetics Research Laboratory (LR18SP12), Immunology Department, Habib Bourguiba Hospital, University of Sfax, Sfax, Tunisia
| | - Khadija Sellami
- Department of Dermatology, Hedi Chaker Hospital, University of Sfax, Sfax, Tunisia
| | - Hamida Turki
- Department of Dermatology, Hedi Chaker Hospital, University of Sfax, Sfax, Tunisia
| | - Hatem Masmoudi
- Autoimmunity, Cancer and Immunogenetics Research Laboratory (LR18SP12), Immunology Department, Habib Bourguiba Hospital, University of Sfax, Sfax, Tunisia
| | - Olfa Abida
- Autoimmunity, Cancer and Immunogenetics Research Laboratory (LR18SP12), Immunology Department, Habib Bourguiba Hospital, University of Sfax, Sfax, Tunisia
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23
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Brancaccio R, Murdaca G, Casella R, Loverre T, Bonzano L, Nettis E, Gangemi S. miRNAs' Cross-Involvement in Skin Allergies: A New Horizon for the Pathogenesis, Diagnosis and Therapy of Atopic Dermatitis, Allergic Contact Dermatitis and Chronic Spontaneous Urticaria. Biomedicines 2023; 11:1266. [PMID: 37238937 PMCID: PMC10216116 DOI: 10.3390/biomedicines11051266] [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: 02/20/2023] [Revised: 03/29/2023] [Accepted: 04/21/2023] [Indexed: 05/28/2023] Open
Abstract
Skin inflammation is a common underlying feature of atopic dermatitis, allergic contact dermatitis and chronic spontaneous urticaria. The pathogenetic mechanisms have not been fully elucidated. The purpose of this study was to examine whether miRNA, by regulating inflammatory mechanisms through the modulation of innate and adaptive immune responses, could play a major role in the pathogenesis of these skin conditions. We conducted a narrative review using the Pubmed and Embase scientific databases and search engines to find the most relevant miRNAs related to the pathophysiology, severity and prognosis of skin conditions. The studies show that miRNAs are involved in the pathogenesis and regulation of atopic dermatitis and can reveal an atopic predisposition or indicate disease severity. In chronic spontaneous urticaria, different miRNAs which are over-expressed during urticaria exacerbations not only play a role in the possible response to therapy or remission, but also serve as a marker of chronic autoimmune urticaria and indicate associations with other autoimmune diseases. In allergic contact dermatitis, miRNAs are upregulated in inflammatory lesions and expressed during the sensitization phase of allergic response. Several miRNAs have been identified as potential biomarkers of these chronic skin conditions, but they are also possible therapeutic targets.
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Affiliation(s)
- Raffaele Brancaccio
- Dermatology Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, 42122 Reggio nell’Emilia, Italy
| | - Giuseppe Murdaca
- Department of Internal Medicine, University of Genova, 16132 Genova, Italy
- Department of Internal Medicine, Ospedale Policlinico San Martino, 16132 Genova, Italy
| | - Rossella Casella
- Department of Emergency and Organ Transplantation, School of Allergology and Clinical Immunology, University of Bari Aldo Moro, Policlinico di Bari, 70124 Bari, Italy
| | - Teresa Loverre
- Department of Emergency and Organ Transplantation, School of Allergology and Clinical Immunology, University of Bari Aldo Moro, Policlinico di Bari, 70124 Bari, Italy
| | - Laura Bonzano
- Dermatology Unit, Azienda Unità Sanitaria Locale-IRCCS di Reggio Emilia, 42122 Reggio nell’Emilia, Italy
| | - Eustachio Nettis
- Department of Emergency and Organ Transplantation, School of Allergology and Clinical Immunology, University of Bari Aldo Moro, Policlinico di Bari, 70124 Bari, Italy
| | - Sebastiano Gangemi
- Department of Clinical and Experimental Medicine, School and Division of Allergy and Clinical Immunology, University of Messina, 98125 Messina, Italy
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24
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Hulme J. Staphylococcus Infection: Relapsing Atopic Dermatitis and Microbial Restoration. Antibiotics (Basel) 2023; 12:antibiotics12020222. [PMID: 36830133 PMCID: PMC9952585 DOI: 10.3390/antibiotics12020222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/15/2023] [Accepted: 01/18/2023] [Indexed: 01/22/2023] Open
Abstract
Atopic Dermatitis (AD) skin is susceptible to Staphylococcus aureus (SA) infection, potentially exposing it to a plethora of toxins and virulent determinants, including Panton-Valentine leukocidin (PVL) (α-hemolysin (Hla) and phenol-soluble modulins (PSMs)), and superantigens. Depending on the degree of infection (superficial or invasive), clinical treatments may encompass permanganate (aq) and bleach solutions coupled with intravenous/oral antibiotics such as amoxicillin, vancomycin, doxycycline, clindamycin, daptomycin, telavancin, linezolid, or tigecycline. However, when the skin is significantly traumatized (sheathing of epidermal sections), an SA infection can rapidly ensue, impairing the immune system, and inducing local and systemic AD presentations in susceptible areas. Furthermore, when AD presents systemically, desensitization can be long (years) and intertwined with periods of relapse. In such circumstances, the identification of triggers (stress or infection) and severity of the flare need careful monitoring (preferably in real-time) so that tailored treatments targeting the underlying pathological mechanisms (SA toxins, elevated immunoglobulins, impaired healing) can be modified, permitting rapid resolution of symptoms.
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Affiliation(s)
- John Hulme
- Gachon Bio-Nano Institute, Gachon University, Seongnam-si 461-701, Republic of Korea
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25
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Ueta M, Nishigaki H, Komai S, Mizushima K, Tamagawa-Mineoka R, Naito Y, Katoh N, Sotozono C, Kinoshita S. Positive regulation of innate immune response by miRNA-let-7a-5p. Front Genet 2023; 13:1025539. [PMID: 36685889 PMCID: PMC9858567 DOI: 10.3389/fgene.2022.1025539] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 12/09/2022] [Indexed: 01/07/2023] Open
Abstract
Background: We have hypothesized that different factors are involved in the severity of ACD and AD because some but not all patients with atopic dermatitis (AD) present with allergic conjunctival disease (ACD) including severe types such as atopic keratoconjunctivitis (AKC) with/without giant papillae. We previously reported that plasma miR-628-3p was up-regulated in AD with severe ACD, but not in severe AD without severe ACD or in our healthy controls. In this study, to investigate the pathogenesis of AD with and without severe ACD, we performed comprehensive plasma miRNA analysis and studied the function of some miRNAs which were significantly up-regulated in ACD. Methods: Transcriptomics analysis of miRNA was performed using the microarray platform from the plasma of nine individuals (AD, severe ACD, controls: n = 3 each). To confirm up-regulation of the 12 miRNAs of the eight miRNA groups we focused on, we performed quantitative miRNA polymerase chain reaction (PCR) assays using 80 plasma samples (AD: 23, severe ACD: 17, controls: 40). To study the function of the eight miRNAs which were significantly up-regulated in ACD, we transfected their mimic to THP-1 cells, a monocyte cell line, and performed comprehensive gene expression analysis of them. The up-regulation of gene expression of interest in transfected THP-1 cells with the hsa-let-7a-5p miRNA mimic was confirmed by quantitative RT-qPCR assay. Results: Quantitative miRNA PCR assays showed that hsa-let-7a-5p, hsa-let-7days-3p, hsa-let-7e-5p, and hsa-miR-151a-5p were significantly up-regulated in both AD-ACD + and AD-ACD - as were hsa-miR-130a-3p, hsa-miR-151a-3p, has-miR-27b-3p, and hsa-miR-146a-5p in AD-ACD + but not in AD-ACD - . The functions of each miRNA were investigated by comprehensive gene expression analysis of THP-1 cells transfected with each miRNA mimic. Of the eight miRNAs, hsa-let-7a-5p, hsa-let-7e-5p, has-miR-27b-3p, and hsa-miR-146a-5p mimic-transfected THP-1 cells showed the up-regulation of CXCL10 (IP-10; interferon gamma-induced protein 10), which might be one of the innate immune-related genes. Quantitative RT-qPCR assays of transfected THP-1 cells with the hsa-let-7a-5p miRNA mimic showed that the 17 genes up-regulated more than 10-fold in the comprehensive gene expression analysis, and TLR3, RIG-I, and MDA5, important innate immune-related genes, were significantly up-regulated. TNFSF13B, AIM2, USP41, STAP1, GBP4, CCL8, and IFI27, reportedly down-regulated by the hsa-miR-628-3p mimic, were also significantly up-regulated in the transfected cells. Conclusion: Hsa-let-7a-5p, which was significantly up-regulated in AD-ACD + and AD-ACD - , could positively regulate the important innate immune-related genes such as TLR3, RIG-I, and MDA5. It is possible that in an allergic disease such as atopic keratoconjunctivitis and/or dermatitis, innate immune responses might be positively regulated by hsa-let-7a-5p in the plasma.
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Affiliation(s)
- Mayumi Ueta
- Department of Ophthalmology, Kyoto, Japan,*Correspondence: Mayumi Ueta,
| | | | | | | | | | - Yuji Naito
- Department of Human Immunology and Nutrition Science, Kyoto, Japan
| | | | | | - Shigeru Kinoshita
- Department of Frontier Medical Science and Technology for Ophthalmology, Kyoto Prefectural University of Medicine, Kyoto, Japan
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26
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Carreras-Badosa G, Maslovskaja J, Vaher H, Pajusaar L, Annilo T, Lättekivi F, Hübenthal M, Rodriguez E, Weidinger S, Kingo K, Rebane A. miRNA expression profiles of the perilesional skin of atopic dermatitis and psoriasis patients are highly similar. Sci Rep 2022; 12:22645. [PMID: 36587063 PMCID: PMC9805436 DOI: 10.1038/s41598-022-27235-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 12/28/2022] [Indexed: 01/01/2023] Open
Abstract
Atopic dermatitis (AD) and psoriasis vulgaris (PV) are chronic inflammatory skin diseases with heterogeneous molecular backgrounds. MicroRNAs (miRNAs) contribute to either development or regulation of many immune system related diseases. Only few miRNA profiling studies are available for AD and no comparisons between AD and PV skin miRNA profiles have been performed recently. We conducted a miRNA profiling analysis of skin, as well as serum, from adult AD and PV patients and control individuals. 130 miRNAs were differentially expressed in AD skin, of which 77 were common differentially expressed in AD and PV. No differentially expressed miRNAs were detected in serum. Pathway analyses revealed differentially expressed miRNAs to potentially target immune-system related pathways, including TNF-α, IL-2/STAT4 and IL-6/JAK/STAT3. Additional genetic analysis of published AD GWAS dataset detected association of several target genes of differentially expressed miRNAs in skin. Moreover, miR-28-5p, miR-31-5p, miR-378a-3p and miR-203a were validated as upregulated in the skin of AD and PV patients. All validated miRNAs were reliable predictive markers for AD or PV. In conclusion, miRNA expression pattern in the skin of adult AD patients is highly similar to that of PV with multiple differentially expressed miRNAs potentially involved in the regulation of immune responses in AD and PV.
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Affiliation(s)
- Gemma Carreras-Badosa
- Institute of Biomedicine and Translational Medicine, University of Tartu, Ravila 14B, 50411, Tartu, Estonia
- Endocrinology, Girona Biomedical Research Institute, Girona, Spain
| | - Julia Maslovskaja
- Institute of Biomedicine and Translational Medicine, University of Tartu, Ravila 14B, 50411, Tartu, Estonia
| | - Helen Vaher
- Institute of Biomedicine and Translational Medicine, University of Tartu, Ravila 14B, 50411, Tartu, Estonia
| | - Laura Pajusaar
- Institute of Biomedicine and Translational Medicine, University of Tartu, Ravila 14B, 50411, Tartu, Estonia
| | - Tarmo Annilo
- Institute of Genomics, University of Tartu, Tartu, Estonia
| | - Freddy Lättekivi
- Institute of Biomedicine and Translational Medicine, University of Tartu, Ravila 14B, 50411, Tartu, Estonia
| | - Matthias Hübenthal
- Department of Dermatology, University Medical Center Schleswig-Holstein, Kiel, Germany
| | - Elke Rodriguez
- Department of Dermatology, University Medical Center Schleswig-Holstein, Kiel, Germany
| | - Stephan Weidinger
- Department of Dermatology, University Medical Center Schleswig-Holstein, Kiel, Germany
| | - Külli Kingo
- Department of Dermatology, University of Tartu, Tartu, Estonia
- Dermatology Clinic, Tartu University Hospital, Tartu, Estonia
| | - Ana Rebane
- Institute of Biomedicine and Translational Medicine, University of Tartu, Ravila 14B, 50411, Tartu, Estonia.
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Hicks SD, Beheshti R, Chandran D, Warren K, Confair A. Infant consumption of microRNA miR-375 in human milk lipids is associated with protection from atopy. Am J Clin Nutr 2022; 116:1654-1662. [PMID: 36166840 DOI: 10.1093/ajcn/nqac266] [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: 05/24/2022] [Accepted: 09/19/2022] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Human milk is thought to reduce infant atopy risk. The biologic mechanism for this protective effect is not fully understood. OBJECTIVES We tested the hypothesis that infant consumption of 4 microRNAs (miR-146b-5p, miR-148b-3p, miR-21-5p, and miR-375-3p) in human milk would be associated with reduced atopy risk. METHODS The Breast Milk Influence of the Microtranscriptome Profile on Atopy in Children over Time (IMPACT) study involved a cohort of mother-infant dyads who planned to breastfeed beyond 4 mo. Infant consumption of the 4 human milk microRNAs (miRNAs) in the first 6 mo was calculated as the product of milk miRNA concentration and the number of human milk feeds, across 3 lactation stages: early milk (0-4 wk), transitional milk (4-16 wk), and mature milk (16-24 wk). The primary outcome was infant atopy in the first year, defined as atopic dermatitis (AD), food allergies, or wheezing. The final analysis included 432 human milk samples and 7824 wk of longitudinal health data from 163 dyads. RESULTS Seventy-three infants developed atopy. Forty-one were diagnosed with AD (25%), 33 developed food allergy (20%), and 10 had wheezing (6%). Eleven developed >1 condition (7%). Infants who did not develop atopy consumed higher concentrations of miR-375-3p (d = 0.18, P = 0.022, adj P = 0.044) and miR-148b-3p (d = 0.23, P = 0.007, adj P = 0.028). The consumption of miR-375-3p (X2 = 5.7, P = 0.017, OR: 0.92, 95% CI: 0.86, 0.99) was associated with reduced atopy risk. Concentrations of miR-375-3p increased throughout lactation (r = 0.46, F = 132.3, P = 8.4 × 10-34) and were inversely associated with maternal body mass (r = -0.11, t = -2.1, P = 0.032). CONCLUSIONS This study provides evidence that infant consumption of miR-375-3p may reduce atopy risk.
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Affiliation(s)
- Steven D Hicks
- Department of Pediatrics, Penn State College of Medicine, Hershey, PA, USA
| | - Ramin Beheshti
- Department of Pediatrics, Penn State College of Medicine, Hershey, PA, USA
| | - Desirae Chandran
- Department of Pediatrics, Penn State College of Medicine, Hershey, PA, USA
| | - Kaitlyn Warren
- Department of Pediatrics, Penn State College of Medicine, Hershey, PA, USA
| | - Alexandra Confair
- Department of Pediatrics, Penn State College of Medicine, Hershey, PA, USA
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28
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DeVore SB, Khurana Hershey GK. The role of the CBM complex in allergic inflammation and disease. J Allergy Clin Immunol 2022; 150:1011-1030. [PMID: 35981904 PMCID: PMC9643607 DOI: 10.1016/j.jaci.2022.06.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/15/2022] [Accepted: 06/30/2022] [Indexed: 10/15/2022]
Abstract
The caspase activation and recruitment domain-coiled-coil (CARD-CC) family of proteins-CARD9, CARD10, CARD11, and CARD14-is collectively expressed across nearly all tissues of the body and is a crucial mediator of immunologic signaling as part of the CARD-B-cell lymphoma/leukemia 10-mucosa-associated lymphoid tissue lymphoma translocation protein 1 (CBM) complex. Dysfunction or dysregulation of CBM proteins has been linked to numerous clinical manifestations known as "CBM-opathies." The CBM-opathy spectrum encompasses diseases ranging from mucocutaneous fungal infections and psoriasis to combined immunodeficiency and lymphoproliferative diseases; however, there is accumulating evidence that the CARD-CC family members also contribute to the pathogenesis and progression of allergic inflammation and allergic diseases. Here, we review the 4 CARD-CC paralogs, as well as B-cell lymphoma/leukemia 10 and mucosa-associated lymphoid tissue lymphoma translocation protein 1, and their individual and collective roles in the pathogenesis and progression of allergic inflammation and 4 major allergic diseases (allergic asthma, atopic dermatitis, food allergy, and allergic rhinitis).
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Affiliation(s)
- Stanley B DeVore
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Division of Asthma Research, Cincinnati Children's Hospital Medical Center, Cincinnati, Cincinnati, Ohio
| | - Gurjit K Khurana Hershey
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Division of Asthma Research, Cincinnati Children's Hospital Medical Center, Cincinnati, Cincinnati, Ohio.
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29
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Anti-Inflammatory microRNAs for Treating Inflammatory Skin Diseases. Biomolecules 2022; 12:biom12081072. [PMID: 36008966 PMCID: PMC9405611 DOI: 10.3390/biom12081072] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/01/2022] [Accepted: 08/02/2022] [Indexed: 02/07/2023] Open
Abstract
Skin inflammation occurs due to immune dysregulation because of internal disorders, infections, and allergic reactions. The inflammation of the skin is a major sign of chronic autoimmune inflammatory diseases, such as psoriasis, atopic dermatitis (AD), and lupus erythematosus. Although there are many therapies for treating these cutaneous inflammation diseases, their recurrence rates are high due to incomplete resolution. MicroRNA (miRNA) plays a critical role in skin inflammation by regulating the expression of protein-coding genes at the posttranscriptional level during pathogenesis and homeostasis maintenance. Some miRNAs possess anti-inflammatory features, which are beneficial for mitigating the inflammatory response. miRNAs that are reduced in inflammatory skin diseases can be supplied transiently using miRNA mimics and agomir. miRNA-based therapies that can target multiple genes in a given pathway are potential candidates for the treatment of skin inflammation. This review article offers an overview of the function of miRNA in skin inflammation regulation, with a focus on psoriasis, AD, and cutaneous wounds. Some bioactive molecules can target and modulate miRNAs to achieve the objective of inflammation suppression. This review also reports the anti-inflammatory efficacy of these molecules through modulating miRNA expression. The main limitations of miRNA-based therapies are rapid biodegradation and poor skin and cell penetration. Consideration was given to improving these drawbacks using the approaches of cell-penetrating peptides (CPPs), nanocarriers, exosomes, and low-frequency ultrasound. A formulation design for successful miRNA delivery into skin and target cells is also described in this review. The possible use of miRNAs as biomarkers and therapeutic modalities could open a novel opportunity for the diagnosis and treatment of inflammation-associated skin diseases.
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30
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Awasthi A, Vishwas S, Gulati M, Corrie L, Kaur J, Khursheed R, Alam A, Alkhayl FF, Khan FR, Nagarethinam S, Kumar R, Arya K, Kumar B, Chellappan DK, Gupta G, Dua K, Singh SK. Expanding arsenal against diabetic wounds using nanomedicines and nanomaterials: Success so far and bottlenecks. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Ma X, Ru Y, Luo Y, Kuai L, Chen QL, Bai Y, Liu YQ, Chen J, Luo Y, Song JK, Zhou M, Li B. Post-Translational Modifications in Atopic Dermatitis: Current Research and Clinical Relevance. Front Cell Dev Biol 2022; 10:942838. [PMID: 35874824 PMCID: PMC9301047 DOI: 10.3389/fcell.2022.942838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 06/16/2022] [Indexed: 11/20/2022] Open
Abstract
Atopic dermatitis (AD) is a chronic and relapsing cutaneous disorder characterized by compromised immune system, excessive inflammation, and skin barrier disruption. Post-translational modifications (PTMs) are covalent and enzymatic modifications of proteins after their translation, which have been reported to play roles in inflammatory and allergic diseases. However, less attention has been paid to the effect of PTMs on AD. This review summarized the knowledge of six major classes (including phosphorylation, acetylation, ubiquitination, SUMOylation, glycosylation, o-glycosylation, and glycation) of PTMs in AD pathogenesis and discussed the opportunities for disease management.
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Affiliation(s)
- Xin Ma
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Shanghai Skin Disease Hospital of Tongji University, Shanghai, China
| | - Yi Ru
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Ying Luo
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Le Kuai
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
| | - Qi-Long Chen
- Shanghai Skin Disease Hospital of Tongji University, Shanghai, China
| | - Yun Bai
- Shanghai Skin Disease Hospital of Tongji University, Shanghai, China
| | - Ye-Qiang Liu
- Shanghai Skin Disease Hospital of Tongji University, Shanghai, China
| | - Jia Chen
- Shanghai Skin Disease Hospital of Tongji University, Shanghai, China
| | - Yue Luo
- Shanghai Skin Disease Hospital of Tongji University, Shanghai, China
| | - Jian-Kun Song
- Shanghai Skin Disease Hospital of Tongji University, Shanghai, China
| | - Mi Zhou
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Mi Zhou, ; Bin Li,
| | - Bin Li
- Shanghai Skin Disease Hospital of Tongji University, Shanghai, China
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Mi Zhou, ; Bin Li,
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de Sousa TR, Fagundes BO, Nascimento A, Fernandes LA, Sgnotto FDR, Orfali RL, Aoki V, Duarte AJDS, Sanabani SS, Victor JR. IgG from Adult Atopic Dermatitis (AD) Patients Induces Thymic IL-22 Production and CLA Expression on CD4+ T Cells: Possible Epigenetic Implications Mediated by miRNA. Int J Mol Sci 2022; 23:6867. [PMID: 35743308 PMCID: PMC9224968 DOI: 10.3390/ijms23126867] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/10/2022] [Accepted: 06/11/2022] [Indexed: 11/30/2022] Open
Abstract
Atopic dermatitis (AD) is a common relapsing inflammatory skin disorder characterized by immune-mediated inflammation and epidermal barrier dysfunction. The pathogenesis of AD is multifactorial and has not been fully elucidated to date. This study aimed to evaluate whether serum IgG from adult AD patients could modulate the thymic maturation of IL-22-producing T cells and CLA+ T cells of non-atopic infants. Given that miRNAs regulate immune response genes, we evaluated whether miRNA expression is also altered in cultured thymocytes. Thymocytes were cultured with purified IgG from AD patients or control conditions (mock, Intravenous-IgG (IVIg), non-atopic IgG, or atopic non-AD IgG). Using flow cytometry analysis, we assessed the expression of CLA and intracellular levels of IL-4, IFN-γ, and IL-22 on double-positive T cells (DP T), CD4 T cells, or CD8 T cells. We also investigated the frequency of IgG isotypes and their direct interaction with the thymic T cells membrane. The miRNA profiles were evaluated by the Illumina small RNA-seq approach. MiRNA target gene prediction and enrichment analyses were performed using bioinformatics. Increased frequencies of IL-22 and CLA+ producing CD4+ T cells cultured with IgG of AD patients was seen in non-atopic infant thymocytes compared to all control conditions. No alterations were observed in the frequency of IgG isotypes among evaluated IgG pools. Evidence for a direct interaction between IgG and thymic DP T, CD4 T, and CD8 T cells is presented. The small RNA-seq analysis identified ten mature miRNAs that were modulated by AD IgG compared to mock condition (miR-181b-5p, hsa-miR-130b-3p, hsa-miR-26a-5p, hsa-miR-4497, has-miR-146a, hsa-let-7i-5p, hsa-miR-342-3p, has-miR-148a-3p, has-miR-92a and has-miR-4492). The prediction of the targetome of the seven dysregulated miRNAs between AD and mock control revealed 122 putative targets, and functional and pathway enrichment analyses were performed. Our results enhance our understanding of the mechanism by which IgG can collaborate in thymic T cells in the setting of infant AD.
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Affiliation(s)
- Thamires Rodrigues de Sousa
- Laboratory of Medical Investigation LIM-56, Division of Dermatology, Medical School, University of Sao Paulo, Av. Dr. Enéas Carvalho de Aguiar 500, Sao Paulo 05403-000, Brazil; (T.R.d.S.); (B.O.F.); (R.L.O.); (V.A.); (A.J.d.S.D.)
| | - Beatriz Oliveira Fagundes
- Laboratory of Medical Investigation LIM-56, Division of Dermatology, Medical School, University of Sao Paulo, Av. Dr. Enéas Carvalho de Aguiar 500, Sao Paulo 05403-000, Brazil; (T.R.d.S.); (B.O.F.); (R.L.O.); (V.A.); (A.J.d.S.D.)
| | - Andrezza Nascimento
- Post-Graduation Program in Translational Medicine, Federal University of São Paulo, Sao Paulo 04039-002, Brazil; (A.N.); (L.A.F.)
| | - Lorena Abreu Fernandes
- Post-Graduation Program in Translational Medicine, Federal University of São Paulo, Sao Paulo 04039-002, Brazil; (A.N.); (L.A.F.)
| | | | - Raquel Leão Orfali
- Laboratory of Medical Investigation LIM-56, Division of Dermatology, Medical School, University of Sao Paulo, Av. Dr. Enéas Carvalho de Aguiar 500, Sao Paulo 05403-000, Brazil; (T.R.d.S.); (B.O.F.); (R.L.O.); (V.A.); (A.J.d.S.D.)
| | - Valéria Aoki
- Laboratory of Medical Investigation LIM-56, Division of Dermatology, Medical School, University of Sao Paulo, Av. Dr. Enéas Carvalho de Aguiar 500, Sao Paulo 05403-000, Brazil; (T.R.d.S.); (B.O.F.); (R.L.O.); (V.A.); (A.J.d.S.D.)
| | - Alberto José da Silva Duarte
- Laboratory of Medical Investigation LIM-56, Division of Dermatology, Medical School, University of Sao Paulo, Av. Dr. Enéas Carvalho de Aguiar 500, Sao Paulo 05403-000, Brazil; (T.R.d.S.); (B.O.F.); (R.L.O.); (V.A.); (A.J.d.S.D.)
- Division of Pathology, Medical School, University of Sao Paulo, Sao Paulo 05403-000, Brazil
| | - Sabri Saeed Sanabani
- Laboratory of Medical Investigation LIM-56, Division of Dermatology, Medical School, University of Sao Paulo, Av. Dr. Enéas Carvalho de Aguiar 500, Sao Paulo 05403-000, Brazil; (T.R.d.S.); (B.O.F.); (R.L.O.); (V.A.); (A.J.d.S.D.)
- Laboratory of Medical Investigation LIM-03, Division of Pathology, Medical School, University of Sao Paulo, Sao Paulo 05403-000, Brazil
| | - Jefferson Russo Victor
- Laboratory of Medical Investigation LIM-56, Division of Dermatology, Medical School, University of Sao Paulo, Av. Dr. Enéas Carvalho de Aguiar 500, Sao Paulo 05403-000, Brazil; (T.R.d.S.); (B.O.F.); (R.L.O.); (V.A.); (A.J.d.S.D.)
- Faculdades Metropolitanas Unidas (FMU), Health Sciences School, Sao Paulo 04505-002, Brazil
- Medical School, Universidade Santo Amaro (UNISA), Sao Paulo 04829-300, Brazil
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Xie Q, Xue W. IgE-Mediated food allergy: Current diagnostic modalities and novel biomarkers with robust potential. Crit Rev Food Sci Nutr 2022; 63:10148-10172. [PMID: 35587740 DOI: 10.1080/10408398.2022.2075312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Food allergy (FA) is a serious public health issue afflicting millions of people globally, with an estimated prevalence ranging from 1-10%. Management of FA is challenging due to overly restrictive diets and the lack of diagnostic approaches with high accuracy and prediction. Although measurement of serum-specific antibodies combined with patient medical history and skin prick test is a useful diagnostic tool, it is still an imprecise predictor of clinical reactivity with a high false-positive rate. The double-blind placebo-controlled food challenge represents the gold standard for FA diagnosis; however, it requires large healthcare and involves the risk of acute onset of allergic reactions. Improvement in our understanding of the molecular mechanism underlying allergic disease pathology, development of omics-based methods, and advances in bioinformatics have boosted the generation of a number of robust diagnostic biomarkers of FA. In this review, we discuss how traditional diagnostic modalities guide appropriate diagnosis and management of FA in clinical practice, as well as uncover the potential of the latest biomarkers for the diagnosis, monitoring, and prediction of FA. We also raise perspectives for precise and targeted medical intervention to fill the gap in the diagnosis of FA.
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Affiliation(s)
- Qiang Xie
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, P.R. China
| | - Wentong Xue
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, P.R. China
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Epigenetic Mechanisms of Epidermal Differentiation. Int J Mol Sci 2022; 23:ijms23094874. [PMID: 35563264 PMCID: PMC9102508 DOI: 10.3390/ijms23094874] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/24/2022] [Accepted: 04/27/2022] [Indexed: 12/12/2022] Open
Abstract
Keratinocyte differentiation is an essential process for epidermal stratification and stratum corneum formation. Keratinocytes proliferate in the basal layer of the epidermis and start their differentiation by changing their functional or phenotypical type; this process is regulated via induction or repression of epidermal differentiation complex (EDC) genes that play a pivotal role in epidermal development. Epidermal development and the keratinocyte differentiation program are orchestrated by several transcription factors, signaling pathways, and epigenetic regulators. The latter exhibits both activating and repressive effects on chromatin in keratinocytes via the ATP-dependent chromatin remodelers, histone demethylases, and genome organizers that promote terminal keratinocyte differentiation, and the DNA methyltransferases, histone deacetylases, and Polycomb components that stimulate proliferation of progenitor cells and inhibit premature activation of terminal differentiation-associated genes. In addition, microRNAs are involved in different processes between proliferation and differentiation during the program of epidermal development. Here, we bring together current knowledge of the mechanisms controlling gene expression during keratinocyte differentiation. An awareness of epigenetic mechanisms and their alterations in health and disease will help to bridge the gap between our current knowledge and potential applications for epigenetic regulators in clinical practice to pave the way for promising target therapies.
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Yu Y, Shen Y, Zhang S, Wang N, Luo L, Zhu X, Xu X, Cong W, Jin L, Zhu Z. Suppression of Cutibacterium acnes-Mediated Inflammatory Reactions by Fibroblast Growth Factor 21 in Skin. Int J Mol Sci 2022; 23:ijms23073589. [PMID: 35408949 PMCID: PMC8998725 DOI: 10.3390/ijms23073589] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/19/2022] [Accepted: 03/22/2022] [Indexed: 02/05/2023] Open
Abstract
Cutibacterium acnes (C. acnes) is a common commensal bacterium that is closely associated with the pathogenesis of acne. Fibroblast growth factor 21 (FGF21), as a favorable regulator of glucose and lipid metabolism and insulin sensitivity, was recently shown to exert anti-inflammatory effects. The role and mechanism of FGF21 in the inflammatory reactions induced by C. acnes, however, have not been determined. The present study shows that FGF21 in the dermis inhibits epidermal C. acnes-induced inflammation in a paracrine manner while it functions on the epidermal layer through a receptor complex consisting of FGF receptor 1 (FGFR1) and β-Klotho (KLB). The effects of FGF21 in heat-killed C. acnes-induced HaCaT cells and living C. acnes-injected mouse ears were examined. In the presence of C. acnes, FGF21 largely counteracted the activation of Toll-like receptor 2 (TLR2), the downstream nuclear factor-κB (NF-κB), and mitogen-activated protein kinase (MAPK) signaling pathways induced by C. acnes. FGF21 also significantly reduced the expression of proinflammatory cytokines, including interleukin (IL)-1β, IL-6, IL-8, and tumor necrosis factor (TNF)-α. Taken together, these findings indicate that FGF21 suppresses C. acnes-induced inflammation and might be used clinically in the management and treatment of acne.
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Yan C, Ying J, Lu W, Changzhi Y, Qihong Q, Jingzhu M, Dongjie S, Tingting Z. MiR-1294 suppresses ROS-dependent inflammatory response in atopic dermatitis via restraining STAT3/NF-κB pathway. Cell Immunol 2021; 371:104452. [PMID: 34784561 DOI: 10.1016/j.cellimm.2021.104452] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 10/26/2021] [Accepted: 10/29/2021] [Indexed: 12/12/2022]
Abstract
Atopic dermatitis (AD) is a common inflammatory skin disorder that affects children and adults. Despite the pathology of AD involves in immune dysfunction and epidermal barrier function destruction has been found, the mechanism of immune activation and barrier damage remain largely unknown. In the present study, The TNF-α/IFN-γ-stimulated HaCaTs, organotypic AD-like 3D skin equivalents and AD-like mouse model were constructed. The mRNA, histological morphology, protein levels, cytokines were detected by real-time quantitative polymerasechain reaction (RT-qPCR), hematoxylin and eosin (H & E) staining, Immunohistochemistry (IHC), immunoblotting, immunofluorescence (IF) staining, and enzyme linked immunosorbent assay (ELISA), respectively. Cell viability, cell cycle, and apoptosis were respectively calculated using a Methylthiazolyldiphenyl-tetrazolium bromide (MTT) assay and flow cytometry. A dual-luciferase reporter gene system was used to investigate the relationship between miR-1294 and STAT3. Compared with the control group, the expression of miR-1294 decreased in TNF-α/IFN-γ-stimulated HaCaTs (P < 0.001), AD-like skin model, and AD-like mouse model (P < 0.001). Moreover, STAT3 was documented as a direct target of miR-1294. Inflammation (P < 0.05) and epidermal barrier function destruction (P < 0.05) in AD was suppressed by overexpression of miR-1294 but enhanced by STAT3 upregulation and its downstream NF-κB pathway. We also found miR-1294 upregulation inhibited inflammation and epidermal barrier function destruction via targeting STAT3 to suppress NF-κB pathway activation in AD.
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Affiliation(s)
- Chen Yan
- Department of Dermatology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Jiang Ying
- Department of Dermatology, The first affiliated hospital of Soochow University, No.188, Shizi Street, Suzhou 215006, China
| | - Wang Lu
- Department of Dermatology, The first affiliated hospital of Soochow University, No.188, Shizi Street, Suzhou 215006, China
| | - Yang Changzhi
- Department of Dermatology, The first affiliated hospital of Soochow University, No.188, Shizi Street, Suzhou 215006, China
| | - Qian Qihong
- Department of Dermatology, The first affiliated hospital of Soochow University, No.188, Shizi Street, Suzhou 215006, China
| | - Mao Jingzhu
- Department of Dermatology, The first affiliated hospital of Soochow University, No.188, Shizi Street, Suzhou 215006, China
| | - Sun Dongjie
- Department of Dermatology, The first affiliated hospital of Kunming Medical University, No.295 Xichang Rd, Kunming, Yunnan 650032, China.
| | - Zhu Tingting
- Department of Dermatology, The first affiliated hospital of Soochow University, No.188, Shizi Street, Suzhou 215006, China.
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Dull K, Fazekas F, Deák D, Kovács D, Póliska S, Szegedi A, Zouboulis CC, Törőcsik D. miR-146a modulates TLR1/2 and 4 induced inflammation and links it with proliferation and lipid production via the indirect regulation of GNG7 in human SZ95 sebocytes. Sci Rep 2021; 11:21510. [PMID: 34728702 PMCID: PMC8563942 DOI: 10.1038/s41598-021-00907-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 10/18/2021] [Indexed: 11/09/2022] Open
Abstract
Activation of Toll-like receptors (TLR) 1/2 and 4 are central in inducing inflammation in sebocytes by regulating the expression of protein coding mRNAs, however the microRNA (miRNA) profile in response to TLR activation and thus the possible role of miRNAs in modulating sebocyte functions has not been elucidated. In this work we identified miR-146a to have the highest induction in the TLR1/2 and 4 activated SZ95 sebocytes and found that its increased levels led to the down-regulation of IL-8 secretion, decreased the chemoattractant potential and stimulated the proliferation of sebocytes. Assessing the gene expression profile of SZ95 sebocytes treated with a miR-146a inhibitor, the induction of GNG7 was one of the highest, while when cells were treated with a miR-146a mimic, the expression of GNG7 was down-regulated. These findings correlated with our in situ hybridization results, that compared with control, miR-146a showed an increased, while GNG7 a decreased expression in sebaceous glands of acne samples. Further studies revealed, that when inhibiting the levels of GNG7 in SZ95 sebocytes, cells increased their lipid content and decreased their proliferation. Our findings suggest, that miR-146a could be a potential player in acne pathogenesis by regulating inflammation, inducing proliferation and, through the indirect down-regulation of GNG7, promoting the lipid production of sebocytes.
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Affiliation(s)
- Katalin Dull
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, Debrecen, 4032, Hungary
| | - Fruzsina Fazekas
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, Debrecen, 4032, Hungary
| | - Dávid Deák
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, Debrecen, 4032, Hungary
| | - Dóra Kovács
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, Debrecen, 4032, Hungary
| | - Szilárd Póliska
- Department of Biochemistry and Molecular Biology, Genomic Medicine and Bioinformatics Core Facility, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Andrea Szegedi
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, Debrecen, 4032, Hungary.,Division of Dermatological Allergology, Department of Dermatology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Christos C Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg, Dessau, Germany
| | - Dániel Törőcsik
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, Debrecen, 4032, Hungary.
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Wu J, Fang Z, Liu T, Hu W, Wu Y, Li S. Maximizing the Utility of Transcriptomics Data in Inflammatory Skin Diseases. Front Immunol 2021; 12:761890. [PMID: 34777377 PMCID: PMC8586455 DOI: 10.3389/fimmu.2021.761890] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 10/15/2021] [Indexed: 12/13/2022] Open
Abstract
Inflammatory skin diseases are induced by disorders of the host defense system of the skin, which is composed of a barrier, innate and acquired immunity, as well as the cutaneous microbiome. These disorders are characterized by recurrent cutaneous lesions and intense itch, which seriously affecting life quality of people across all ages and ethnicities. To elucidate molecular factors for typical inflammatory skin diseases (such as psoriasis and atopic dermatitis), transcriptomic profiling assays have been largely performed. Additionally, single-cell RNA sequencing (scRNA-seq) as well as spatial transcriptomic profiling have revealed multiple potential translational targets and offered guides to improve diagnosis and treatment strategies for inflammatory skin diseases. High-throughput transcriptomics data has shown unprecedented power to disclose the complex pathophysiology of inflammatory skin diseases. Here, we will summarize discoveries from transcriptomics data and discuss how to maximize the transcriptomics data to propel the development of diagnostic biomarkers and therapeutic targets in inflammatory skin diseases.
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Affiliation(s)
- Jingni Wu
- Precision Research Center for Refractory Diseases, Institute for Clinical Research, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhixiao Fang
- Precision Research Center for Refractory Diseases, Institute for Clinical Research, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Teng Liu
- Precision Research Center for Refractory Diseases, Institute for Clinical Research, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wei Hu
- Precision Research Center for Refractory Diseases, Institute for Clinical Research, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yangjun Wu
- Department of Gynecologic Oncology, Fudan University Shanghai Cancer Center, Fudan University, Shanghai, China
| | - Shengli Li
- Precision Research Center for Refractory Diseases, Institute for Clinical Research, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Li A, Li Y, Zhang X, Zhang C, Li T, Zhang J, Li C. The human milk oligosaccharide 2'-fucosyllactose attenuates β-lactoglobulin-induced food allergy through the miR-146a-mediated toll-like receptor 4/nuclear factor-κB signaling pathway. J Dairy Sci 2021; 104:10473-10484. [PMID: 34334202 DOI: 10.3168/jds.2021-20257] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 06/17/2021] [Indexed: 11/19/2022]
Abstract
Our previous experiments have confirmed that human milk oligosaccharides (HMO) and its main component 2'-fucosyllactose (2'-FL), as prebiotics, could effectively alleviate cow milk allergy by regulating the intestinal microecology. This study intended to further explore the molecular mechanism of HMO regulating intestinal immunity. The results of the allergic mouse model showed that oral administration of 2'-FL or HMO reduced β-lactoglobulin (β-LG)-induced serum-specific IgE secretion and mast cell degranulation, while reducing the inflammatory cytokines, TNF-α, IL-4, and IL-6 production and promoting the miR-146a expression. In vitro results further confirmed that 2'-FL or HMO treatment reduced allergen-induced secretion of iNOS, NO, pro-inflammatory cytokines and reactive oxygen species in RAW264.7 cells. At the same time, in contrast to the β-LG group, 2'-FL dose-dependently inhibited the TLR4/NF-κB inflammatory pathway and upregulated miR-146a expression, and the effect of the 2'-FL mid-dose group was similar to that of the HMO intervention group. In particular, adding miR-146a inhibitors to macrophages attenuated the inhibitory effect of 2'-FL on the expression of TRAF6 and IRAKI in the TLR4 pathway, suggesting that miR-146a might be involved in the immune regulation of 2'-FL. The above results indicated that 2'-FL had a similar effect to HMOs, and its effect of reducing β-LG allergy might be related to the regulation of miR-146a to inhibit TLR4/NF-κB signaling pathway.
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Affiliation(s)
- Aili Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, 600 Changjiang Road, Harbin, 150030, Heilongjiang, China
| | - Ying Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, 600 Changjiang Road, Harbin, 150030, Heilongjiang, China
| | - Xin Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, 600 Changjiang Road, Harbin, 150030, Heilongjiang, China
| | - Congwei Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, 600 Changjiang Road, Harbin, 150030, Heilongjiang, China
| | - Tongtong Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, 600 Changjiang Road, Harbin, 150030, Heilongjiang, China
| | - Jingjing Zhang
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, 600 Changjiang Road, Harbin, 150030, Heilongjiang, China
| | - Chun Li
- Key Laboratory of Dairy Science, Ministry of Education, College of Food Science, Northeast Agricultural University, 600 Changjiang Road, Harbin, 150030, Heilongjiang, China.
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40
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Saulle I, Garziano M, Fenizia C, Cappelletti G, Parisi F, Clerici M, Cetin I, Savasi V, Biasin M. MiRNA Profiling in Plasma and Placenta of SARS-CoV-2-Infected Pregnant Women. Cells 2021; 10:1788. [PMID: 34359957 PMCID: PMC8305278 DOI: 10.3390/cells10071788] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 06/28/2021] [Accepted: 07/12/2021] [Indexed: 12/22/2022] Open
Abstract
MicroRNAs are gene expression regulators associated with several human pathologies, including those generated by viral infections. Their role in SARS-CoV-2 infection and COVID-19 has been investigated and reviewed in many informative studies; however, a thorough miRNA outline in SARS-CoV-2-infected pregnant women (SIPW), at both systemic and placental levels, is missing. To fill this gap, blood and placenta biopsies collected at delivery from 15 asymptomatic SIPW were immediately analysed for: miRNA expression (n = 84) (QPCR array), antiviral/immune mRNA target expression (n = 74) (QGene) and cytokine/chemokines production (n = 27) (Multiplex ELISA). By comparing these results with those obtained from six uninfected pregnant women (UPW), we observed that, following SARS-CoV-2 infection, the transcriptomic profile of pregnant women is significantly altered in different anatomical districts, even in the absence of clinical symptoms and vertical transmission. This characteristic combination of miRNA and antiviral/immune factors seems to control both the infection and the dysfunctional immune reaction, thus representing a positive correlate of protection and a potential therapeutic target against SARS-CoV-2.
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Affiliation(s)
- Irma Saulle
- Department of Biomedical and Clinical Sciences, University of Milan, 20157 Milan, Italy; (I.S.); (M.G.); (C.F.); (G.C.); (I.C.); (V.S.)
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy;
| | - Micaela Garziano
- Department of Biomedical and Clinical Sciences, University of Milan, 20157 Milan, Italy; (I.S.); (M.G.); (C.F.); (G.C.); (I.C.); (V.S.)
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy;
| | - Claudio Fenizia
- Department of Biomedical and Clinical Sciences, University of Milan, 20157 Milan, Italy; (I.S.); (M.G.); (C.F.); (G.C.); (I.C.); (V.S.)
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy;
| | - Gioia Cappelletti
- Department of Biomedical and Clinical Sciences, University of Milan, 20157 Milan, Italy; (I.S.); (M.G.); (C.F.); (G.C.); (I.C.); (V.S.)
| | - Francesca Parisi
- Unit of Obstetrics and Gynecology, ASST Fatebenefratelli-Sacco, Department of Biological and Clinical Sciences L. Sacco, University of Milan, 20157 Milan, Italy; (F.P.)
| | - Mario Clerici
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy;
- IRCCS Fondazione Don Carlo Gnocchi, 20148 Milan, Italy
| | - Irene Cetin
- Department of Biomedical and Clinical Sciences, University of Milan, 20157 Milan, Italy; (I.S.); (M.G.); (C.F.); (G.C.); (I.C.); (V.S.)
- Department of Woman, Mother and Neonate Buzzi Children’s Hospital, ASST Fatebenefratelli-Sacco, 20157 Milan, Italy
| | - Valeria Savasi
- Department of Biomedical and Clinical Sciences, University of Milan, 20157 Milan, Italy; (I.S.); (M.G.); (C.F.); (G.C.); (I.C.); (V.S.)
- Unit of Obstetrics and Gynecology, ASST Fatebenefratelli-Sacco, Department of Biological and Clinical Sciences L. Sacco, University of Milan, 20157 Milan, Italy; (F.P.)
| | - Mara Biasin
- Department of Biomedical and Clinical Sciences, University of Milan, 20157 Milan, Italy; (I.S.); (M.G.); (C.F.); (G.C.); (I.C.); (V.S.)
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Chen Y, Wang ZL, Yeo M, Zhang QJ, López-Romero AE, Ding HP, Zhang X, Zeng Q, Morales-Lázaro SL, Moore C, Jin YA, Yang HH, Morstein J, Bortsov A, Krawczyk M, Lammert F, Abdelmalek M, Diehl AM, Milkiewicz P, Kremer AE, Zhang JY, Nackley A, Reeves TE, Ko MC, Ji RR, Rosenbaum T, Liedtke W. Epithelia-Sensory Neuron Cross Talk Underlies Cholestatic Itch Induced by Lysophosphatidylcholine. Gastroenterology 2021; 161:301-317.e16. [PMID: 33819485 PMCID: PMC9093619 DOI: 10.1053/j.gastro.2021.03.049] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 03/16/2021] [Accepted: 03/22/2021] [Indexed: 01/16/2023]
Abstract
BACKGROUND & AIMS Limited understanding of pruritus mechanisms in cholestatic liver diseases hinders development of antipruritic treatments. Previous studies implicated lysophosphatidic acid (LPA) as a potential mediator of cholestatic pruritus. METHODS Pruritogenicity of lysophosphatidylcholine (LPC), LPA's precursor, was examined in naïve mice, cholestatic mice, and nonhuman primates. LPC's pruritogenicity involving keratinocyte TRPV4 was studied using genetic and pharmacologic approaches, cultured keratinocytes, ion channel physiology, and structural computational modeling. Activation of pruriceptor sensory neurons by microRNA-146a (miR-146a), secreted from keratinocytes, was identified by in vitro and ex vivo Ca2+ imaging assays. Sera from patients with primary biliary cholangitis were used for measuring the levels of LPC and miR-146a. RESULTS LPC was robustly pruritic in mice. TRPV4 in skin keratinocytes was essential for LPC-induced itch and itch in mice with cholestasis. Three-dimensional structural modeling, site-directed mutagenesis, and channel function analysis suggested a TRPV4 C-terminal motif for LPC binding and channel activation. In keratinocytes, TRPV4 activation by LPC induced extracellular release of miR-146a, which activated TRPV1+ sensory neurons to cause itch. LPC and miR-146a levels were both elevated in sera of patients with primary biliary cholangitis with itch and correlated with itch intensity. Moreover, LPC and miR-146a were also increased in sera of cholestatic mice and elicited itch in nonhuman primates. CONCLUSIONS We identified LPC as a novel cholestatic pruritogen that induces itch through epithelia-sensory neuron cross talk, whereby it directly activates skin keratinocyte TRPV4, which rapidly releases miR-146a to activate skin-innervating TRPV1+ pruriceptor sensory neurons. Our findings support the new concept of the skin, as a sensory organ, playing a critical role in cholestatic itch, beyond liver, peripheral sensory neurons, and central neural pathways supporting pruriception.
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Affiliation(s)
- Yong Chen
- Department of Neurology, Duke University, Durham, North Carolina.
| | - Zi-Long Wang
- Department of Neurology, Duke University, Durham, North Carolina; Center for Translational Pain Medicine, Department of Anesthesiology, Duke University, Durham, North Carolina
| | - Michele Yeo
- Department of Neurology, Duke University, Durham, North Carolina
| | - Qiao-Juan Zhang
- Department of Neurology, Duke University, Durham, North Carolina
| | - Ana E López-Romero
- Departamento de Neurociencia Cognitiva, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Coyoacan, Mexico City, Mexico
| | - Hui-Ping Ding
- Department of Physiology and Pharmacology, Wake Forest University, Winston-Salem, North Carolina
| | - Xin Zhang
- Center for Translational Pain Medicine, Department of Anesthesiology, Duke University, Durham, North Carolina
| | - Qian Zeng
- Department of Neurology, Duke University, Durham, North Carolina
| | - Sara L Morales-Lázaro
- Departamento de Neurociencia Cognitiva, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Coyoacan, Mexico City, Mexico
| | - Carlene Moore
- Department of Neurology, Duke University, Durham, North Carolina
| | - Ying-Ai Jin
- Department of Dermatology, Duke University, Durham, North Carolina
| | - Huang-He Yang
- Department of Biochemistry, Duke University, Durham, North Carolina; Department of Neurobiology, Duke University, Durham, North Carolina
| | | | - Andrey Bortsov
- Center for Translational Pain Medicine, Department of Anesthesiology, Duke University, Durham, North Carolina
| | - Marcin Krawczyk
- Department of Medicine II, Saarland University Medical Center, Saarland University, Homburg, Germany; Laboratory of Metabolic Liver Diseases, Center for Preclinical Research, Department of General, Transplant and Liver Surgery, Medical University of Warsaw, Warsaw, Poland
| | - Frank Lammert
- Department of Medicine II, Saarland University Medical Center, Saarland University, Homburg, Germany; Hannover Medical School MHH, Hannover, Germany
| | - Manal Abdelmalek
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina
| | - Anna Mae Diehl
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina
| | - Piotr Milkiewicz
- Liver and Internal Medicine Unit, Department of General, Transplant and Liver Surgery, Medical University of Warsaw, Warsaw, Poland; Translation Medicine Group, Pomeranian Medical University, Szczecin, Poland
| | - Andreas E Kremer
- Department of Medicine 1, Gastroenterology, Hepatology, Pneumology and Endocrinology, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany
| | - Jennifer Y Zhang
- Department of Dermatology, Duke University, Durham, North Carolina; Department of Pathology, Duke University, Durham, North Carolina
| | - Andrea Nackley
- Center for Translational Pain Medicine, Department of Anesthesiology, Duke University, Durham, North Carolina; Department of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina
| | - Tony E Reeves
- Department of Internal Medicine, Section on Molecular Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Mei-Chuan Ko
- Department of Physiology and Pharmacology, Wake Forest University, Winston-Salem, North Carolina
| | - Ru-Rong Ji
- Center for Translational Pain Medicine, Department of Anesthesiology, Duke University, Durham, North Carolina; Department of Neurobiology, Duke University, Durham, North Carolina
| | - Tamara Rosenbaum
- Departamento de Neurociencia Cognitiva, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Coyoacan, Mexico City, Mexico
| | - Wolfgang Liedtke
- Department of Neurology, Duke University, Durham, North Carolina; Center for Translational Pain Medicine, Department of Anesthesiology, Duke University, Durham, North Carolina; Department of Neurobiology, Duke University, Durham, North Carolina; Neurology Clinics for Headache, Head-Pain and Trigeminal Sensory Disorders, Duke University, Durham, North Carolina; Clinics for Innovative Pain Therapy, Department of Anesthesiology, Duke University, Raleigh, North Carolina.
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Laanesoo A, Urgard E, Periyasamy K, Laan M, Bochkov YA, Aab A, Magilnick N, Pooga M, Gern JE, Johnston SL, Coquet JM, Boldin MP, Wengel J, Altraja A, Bochenek G, Jakiela B, Rebane A. Dual role of the miR-146 family in rhinovirus-induced airway inflammation and allergic asthma exacerbation. Clin Transl Med 2021; 11:e427. [PMID: 34185416 PMCID: PMC8161513 DOI: 10.1002/ctm2.427] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 04/29/2021] [Accepted: 05/04/2021] [Indexed: 12/30/2022] Open
Abstract
Rhinovirus (RV) infections are associated with asthma exacerbations. MicroRNA-146a and microRNA-146b (miR-146a/b) are anti-inflammatory miRNAs that suppress signaling through the nuclear factor kappa B (NF-κB) pathway and inhibit pro-inflammatory chemokine production in primary human bronchial epithelial cells (HBECs). In the current study, we aimed to explore whether miR-146a/b could regulate cellular responses to RVs in HBECs and airways during RV-induced asthma exacerbation. We demonstrated that expression of miR-146a/b and pro-inflammatory chemokines was increased in HBECs and mouse airways during RV infection. However, transfection with cell-penetrating peptide (CPP)-miR-146a nanocomplexes before infection with RV significantly reduced the expression of the pro-inflammatory chemokines CCL5, IL-8 and CXCL1, increased interferon-λ production, and attenuated infection with the green fluorescent protein (GFP)-expressing RV-A16 in HBECs. Concordantly, compared to wild-type (wt) mice, Mir146a/b-/- mice exhibited more severe airway neutrophilia and increased T helper (Th)1 and Th17 cell infiltration in response to RV-A1b infection and a stronger Th17 response with a less prominent Th2 response in house dust mite extract (HDM)-induced allergic airway inflammation and RV-induced exacerbation models. Interestingly, intranasal administration of CPP-miR-146a nanocomplexes reduced HDM-induced allergic airway inflammation without a significant effect on the Th2/Th1/Th17 balance in wild-type mice. In conclusion, the overexpression of miR-146a has a strong anti-inflammatory effect on RV infection in HBECs and a mouse model of allergic airway inflammation, while a lack of miR-146a/b leads to attenuated type 2 cell responses in mouse models of allergic airway inflammation and RV-induced exacerbation of allergic airway inflammation. Furthermore, our data indicate that the application of CPP-miR-146a nanocomplexes has therapeutic potential for targeting airway inflammation.
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Affiliation(s)
- Anet Laanesoo
- Institute of Biomedicine and Translational MedicineUniversity of TartuTartuEstonia
| | - Egon Urgard
- Institute of Biomedicine and Translational MedicineUniversity of TartuTartuEstonia
| | - Kapilraj Periyasamy
- Institute of Biomedicine and Translational MedicineUniversity of TartuTartuEstonia
| | - Martti Laan
- Institute of Biomedicine and Translational MedicineUniversity of TartuTartuEstonia
| | - Yury A. Bochkov
- School of Medicine and Public Health University of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Alar Aab
- Institute of Biomedicine and Translational MedicineUniversity of TartuTartuEstonia
| | - Nathaniel Magilnick
- Department of Molecular and Cellular BiologyBeckman Research Institute of City of Hope National Medical CenterDuarteCaliforniaUSA
| | - Margus Pooga
- Institute of TechnologyUniversity of TartuTartuEstonia
| | - James E. Gern
- School of Medicine and Public Health University of Wisconsin‐MadisonMadisonWisconsinUSA
| | - Sebastian L. Johnston
- National Heart and Lung InstituteImperial College LondonLondonUK
- Imperial College Healthcare NHS TrustLondonUK
| | - Jonathan M. Coquet
- Department of MicrobiologyTumor and Cell Biology (MTC)Karolinska InstitutetStockholmSweden
| | - Mark P. Boldin
- Department of Molecular and Cellular BiologyBeckman Research Institute of City of Hope National Medical CenterDuarteCaliforniaUSA
| | - Jesper Wengel
- Nucleic Acid CenterDepartment of PhysicsChemistry and PharmacyUniversity of Southern DenmarkOdenseDenmark
| | - Alan Altraja
- Department of Pulmonary MedicineUniversity of TartuTartuEstonia
- Lung Clinic of the Tartu University HospitalTartuEstonia
| | - Grazyna Bochenek
- Department of MedicineJagiellonian University Medical CollegeKrakowPoland
| | - Bogdan Jakiela
- Department of MedicineJagiellonian University Medical CollegeKrakowPoland
| | - Ana Rebane
- Institute of Biomedicine and Translational MedicineUniversity of TartuTartuEstonia
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Weidner J, Bartel S, Kılıç A, Zissler UM, Renz H, Schwarze J, Schmidt‐Weber CB, Maes T, Rebane A, Krauss‐Etschmann S, Rådinger M. Spotlight on microRNAs in allergy and asthma. Allergy 2021; 76:1661-1678. [PMID: 33128813 PMCID: PMC8246745 DOI: 10.1111/all.14646] [Citation(s) in RCA: 96] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 10/16/2020] [Accepted: 10/25/2020] [Indexed: 12/14/2022]
Abstract
In past 10 years, microRNAs (miRNAs) have gained scientific attention due to their importance in the pathophysiology of allergic diseases and their potential as biomarkers in liquid biopsies. They act as master post‐transcriptional regulators that control most cellular processes. As one miRNA can target several mRNAs, often within the same pathway, dysregulated expression of miRNAs may alter particular cellular responses and contribute, or lead, to the development of various diseases. In this review, we give an overview of the current research on miRNAs in allergic diseases, including atopic dermatitis, allergic rhinitis, and asthma. Specifically, we discuss how individual miRNAs function in the regulation of immune responses in epithelial cells and specialized immune cells in response to different environmental factors and respiratory viruses. In addition, we review insights obtained from experiments with murine models of allergic airway and skin inflammation and offer an overview of studies focusing on miRNA discovery using profiling techniques and bioinformatic modeling of the network effect of multiple miRNAs. In conclusion, we highlight the importance of research into miRNA function in allergy and asthma to improve our knowledge of the molecular mechanisms involved in the pathogenesis of this heterogeneous group of diseases.
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Affiliation(s)
- Julie Weidner
- Department of Internal Medicine and Clinical Nutrition Krefting Research Centre Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
| | - Sabine Bartel
- Department of Pathology and Medical Biology GRIAC Research Institute University Medical Center Groningen University of Groningen Groningen The Netherlands
| | - Ayse Kılıç
- Channing Division of Network Medicine Brigham and Women's Hospital Boston MA USA
| | - Ulrich M. Zissler
- Center for Allergy and Environment (ZAUM) Technical University of Munich and Helmholtz Center MunichGerman Research Center for Environmental Health Munich Germany
| | - Harald Renz
- Institut für Laboratoriumsmedizin und Pathobiochemie Philipps University of Marburg Marburg Germany
| | - Jürgen Schwarze
- Centre for Inflammation Research The University of Edinburgh Edinburgh UK
| | - Carsten B. Schmidt‐Weber
- Center for Allergy and Environment (ZAUM) Technical University of Munich and Helmholtz Center MunichGerman Research Center for Environmental Health Munich Germany
| | - Tania Maes
- Department of Respiratory Medicine Ghent University Ghent Belgium
| | - Ana Rebane
- Institute of Biomedicine and Translational Medicine University of Tartu Tartu Estonia
| | - Susanne Krauss‐Etschmann
- Research Center Borstel Borstel Germany
- Institute of Experimental Medicine Christian‐Albrechts University Kiel Kiel Germany
| | - Madeleine Rådinger
- Department of Internal Medicine and Clinical Nutrition Krefting Research Centre Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
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MicroRNA-146a downregulates interleukin-13 and inhibits the proliferation of human periodontal ligament stem cells. Arch Oral Biol 2021; 129:105165. [PMID: 34146927 DOI: 10.1016/j.archoralbio.2021.105165] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 05/18/2021] [Accepted: 05/20/2021] [Indexed: 11/22/2022]
Abstract
OBJECTIVE This study was carried out to investigate the interaction between microRNA-146a and interleukin-13 (IL-13) in periodontitis. DESIGN The expression levels of microRNA-146a and IL-13 in periodontal ligament stem cells (PDLSCs) derived from periodontitis-affected teeth and healthy teeth were detected by real-time quantitative reverse transcription polymerase chain reaction (qRT-PCR). A microRNA-146a mimic was transfected into PDLSCs, and proliferation and IL-13 expression were detected via a cell counting kit-8 (CCK-8) assay and western blot, respectively. RESULTS microRNA-146a was downregulated and IL-13 was upregulated in PDLSCs derived from periodontitis-affected teeth compared to that in PDLSCs derived from healthy teeth. microRNA-146a and IL-13 were negatively correlated in periodontitis-derived PDLSCs but not in those derived from healthy teeth. The former also exhibited significantly enhanced cell proliferation. Overexpression of microRNA-146a inhibited proliferation of PDLSCs derived from both periodontitis-affected teeth and healthy teeth while downregulating IL-13. CONCLUSIONS microRNA-146a may improve periodontitis by downregulating IL-13 and inhibiting the proliferation of human PDLSCs.
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45
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Morlang MI, Weber K, von Bomhard W, Mueller RS. Cutaneous microRNA expression in healthy Labrador and Golden retrievers and retrievers with allergic and inflammatory skin diseases. Vet Dermatol 2021; 32:331-e92. [PMID: 34009728 DOI: 10.1111/vde.12971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/16/2021] [Accepted: 02/27/2021] [Indexed: 01/02/2023]
Abstract
BACKGROUND MicroRNAs (miRNA) are short, single-stranded RNA molecules that regulate gene expression in a post-transcriptional manner. Their expression is proposed to be tissue-specific and alterations in miRNA expression have been detected in many diseases. OBJECTIVE To compare miRNA expression in the skin of healthy Labrador and golden retrievers, and those with allergic and nonallergic dermatitis. METHODS AND MATERIALS Formalin-fixed and paraffin-embedded (FFPE) skin specimens from seven healthy Labrador and golden retrievers, and seven dogs with allergic skin disease were collected. A further mixed nonallergic inflammation group consisted of samples from five dogs with fungal infection, demodicosis and mast cell tumours. Total RNA was extracted and miRNA primer assays for 18 target miRNAs (miR-142, miR-363, miR-18b, miR-451, miR-146a, miR-124, miR-409, miR-193b, miR-223, miR-215, miR-155, miR-423a, miR-143, miR-1839, miR-21, miR-34b, miR-146b and miR-202) were performed, with RNU6-2 and SNORD95 as miRNAs for normalisation. The selection of miRNAs for investigation was based on reported data and a pilot study evaluating miRNA extraction from FFPE tissue specimens. RESULTS In the two dogs with mast cell tumours, miRNA expression was undetermined for most miRNAs, so both were excluded from analysis. Although there were differences in the miRNA expression between healthy and inflamed skin, allergic and nonallergic inflammation showed similar expression patterns. CONCLUSION AND CLINICAL RELEVANCE Although the number of included dogs was small, based on this study, none of the evaluated miRNAs allowed differentiation of allergic dermatitis from other inflammatory skin diseases in retriever dogs.
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Affiliation(s)
- Marie Isabel Morlang
- Clinic of Small Animal Medicine, Centre for Clinical Veterinary Medicine, LMU Munich, Veterinaerstr. 13, 80539, Munich, Germany
| | - Karin Weber
- Clinic of Small Animal Medicine, Centre for Clinical Veterinary Medicine, LMU Munich, Veterinaerstr. 13, 80539, Munich, Germany
| | - Wolf von Bomhard
- Fachpraxis für Tierpathologie Munich, Hartelstr. 30, 80689, Munich, Germany
| | - Ralf S Mueller
- Clinic of Small Animal Medicine, Centre for Clinical Veterinary Medicine, LMU Munich, Veterinaerstr. 13, 80539, Munich, Germany
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Kumar S, Ashraf MU, Kumar A, Bae YS. Therapeutic Potential of microRNA Against Th2-associated Immune Disorders. Curr Top Med Chem 2021; 21:753-766. [PMID: 33655864 DOI: 10.2174/1568026621666210303150235] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 11/17/2020] [Accepted: 11/28/2020] [Indexed: 11/22/2022]
Abstract
MicroRNAs (miRNAs) are short ~18-22 nucleotide, single-stranded, non-coding RNA molecules playing a crucial role in regulating diverse biological processes and are frequently dysregulated during disease pathogenesis. Thus, targeting miRNA could be a potential candidate for therapeutic invention. This systemic review aims to summarize our current understanding regarding the role of miRNAs associated with Th2-mediated immune disorders and strategies for therapeutic drug development and current clinical trials.
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Affiliation(s)
- Sunil Kumar
- Department of Biological Sciences, Science Research Center (SRC) for Immune Research on Non-lymphoid Organ (CIRNO), Sungkyunkwan University, Jangan-gu, Suwon, Gyeonggi-do 16419, South Korea
| | - Muhammad Umer Ashraf
- Department of Biological Sciences, Science Research Center (SRC) for Immune Research on Non-lymphoid Organ (CIRNO), Sungkyunkwan University, Jangan-gu, Suwon, Gyeonggi-do 16419, South Korea
| | - Anil Kumar
- Amity Institute of Biotechnology, Amity University Haryana, Amity Education Valley, Gurugram-122413, India
| | - Yong-Soo Bae
- Department of Biological Sciences, Science Research Center (SRC) for Immune Research on Non-lymphoid Organ (CIRNO), Sungkyunkwan University, Jangan-gu, Suwon, Gyeonggi-do 16419, South Korea
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Baumann R, Untersmayr E, Zissler UM, Eyerich S, Adcock IM, Brockow K, Biedermann T, Ollert M, Chaker AM, Pfaar O, Garn H, Thwaites RS, Togias A, Kowalski ML, Hansel TT, Jakwerth CA, Schmidt‐Weber CB. Noninvasive and minimally invasive techniques for the diagnosis and management of allergic diseases. Allergy 2021; 76:1010-1023. [PMID: 33128851 DOI: 10.1111/all.14645] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 10/13/2020] [Accepted: 10/25/2020] [Indexed: 12/12/2022]
Abstract
Allergic diseases of the (upper and lower) airways, the skin and the gastrointestinal tract, are on the rise, resulting in impaired quality of life, decreased productivity, and increased healthcare costs. As allergic diseases are mostly tissue-specific, local sampling methods for respective biomarkers offer the potential for increased sensitivity and specificity. Additionally, local sampling using noninvasive or minimally invasive methods can be cost-effective and well tolerated, which may even be suitable for primary or home care sampling. Non- or minimally invasive local sampling and diagnostics may enable a more thorough endotyping, may help to avoid under- or overdiagnosis, and may provide the possibility to approach precision prevention, due to early diagnosis of these local diseases even before they get systemically manifested and detectable. At the same time, dried blood samples may help to facilitate minimal-invasive primary or home care sampling for classical systemic diagnostic approaches. This EAACI position paper contains a thorough review of the various technologies in allergy diagnosis available on the market, which analytes or biomarkers are employed, and which samples or matrices can be used. Based on this assessment, EAACI position is to drive these developments to efficiently identify allergy and possibly later also viral epidemics and take advantage of comprehensive knowledge to initiate preventions and treatments.
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Affiliation(s)
- Ralf Baumann
- Medical Faculty Institute for Molecular Medicine Medical School Hamburg (MSH) – Medical University Hamburg Germany
- RWTH Aachen University Hospital Institute for Occupational, Social and Environmental Medicine Aachen Germany
| | - Eva Untersmayr
- Institute of Pathophysiology and Allergy Research Center of Pathophysiology, Infectiology and Immunology Medical University of Vienna Vienna Austria
| | - Ulrich M. Zissler
- Center of Allergy and Environment (ZAUM) Technical University and Helmholtz Zentrum München München Germany
- Member of the German Center of Lung Research (DZL) and the Helmholtz I&I Initiative Munich Germany
| | - Stefanie Eyerich
- Center of Allergy and Environment (ZAUM) Technical University and Helmholtz Zentrum München München Germany
- Member of the German Center of Lung Research (DZL) and the Helmholtz I&I Initiative Munich Germany
| | - Ian M. Adcock
- National Heart and Lung Institute Imperial College London, and Royal Brompton and Harefield NHS Trust London UK
| | - Knut Brockow
- Department of Dermatology and Allergy Biederstein School of Medicine Technische Universität München Munich Germany
| | - Tilo Biedermann
- Department of Dermatology and Allergy Biederstein School of Medicine Technische Universität München Munich Germany
| | - Markus Ollert
- Department of Infection and Immunity Luxembourg Institute of Health (LIH) Esch‐sur‐Alzette Luxembourg
- Department of Dermatology and Allergy Center Odense Research Centre for Anaphylaxis (ORCA) University of Southern Denmark Odense Denmark
| | - Adam M. Chaker
- Center of Allergy and Environment (ZAUM) Technical University and Helmholtz Zentrum München München Germany
- Member of the German Center of Lung Research (DZL) and the Helmholtz I&I Initiative Munich Germany
- Department of Otolaryngology Allergy Section Klinikum Rechts der Isar Technical University of Munich Munich Germany
| | - Oliver Pfaar
- Department of Otorhinolaryngology, Head and Neck Surgery University Hospital Marburg Philipps‐Universität Marburg Marburg Germany
| | - Holger Garn
- Biochemical Pharmacological Center (BPC) ‐ Molecular Diagnostics, Translational Inflammation Research Division & Core Facility for Single Cell Multiomics Philipps University of Marburg ‐ Medical Faculty Member of the German Center for Lung Research (DZL) Universities of Giessen and Marburg Lung Center (UGMLC) Marburg Germany
| | - Ryan S. Thwaites
- National Heart and Lung Institute Imperial College London, and Royal Brompton and Harefield NHS Trust London UK
| | - Alkis Togias
- Division of Allergy, Immunology and Transplantation National Institute of Allergy and Infectious Diseases National Institutes of Health Bethesda MD USA
| | - Marek L. Kowalski
- Department of Immunology and Allergy Medical University of Lodz Lodz Poland
| | - Trevor T. Hansel
- National Heart and Lung Institute Imperial College London, and Royal Brompton and Harefield NHS Trust London UK
| | - Constanze A. Jakwerth
- Center of Allergy and Environment (ZAUM) Technical University and Helmholtz Zentrum München München Germany
- Member of the German Center of Lung Research (DZL) and the Helmholtz I&I Initiative Munich Germany
| | - Carsten B. Schmidt‐Weber
- Center of Allergy and Environment (ZAUM) Technical University and Helmholtz Zentrum München München Germany
- Member of the German Center of Lung Research (DZL) and the Helmholtz I&I Initiative Munich Germany
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Yuan J, Zhang Y, Zhang Y, Mo Y, Zhang Q. Effects of metal nanoparticles on tight junction-associated proteins via HIF-1α/miR-29b/MMPs pathway in human epidermal keratinocytes. Part Fibre Toxicol 2021; 18:13. [PMID: 33740985 PMCID: PMC7980342 DOI: 10.1186/s12989-021-00405-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 03/08/2021] [Indexed: 12/21/2022] Open
Abstract
Background The increasing use of metal nanoparticles in industry and biomedicine raises the risk for unintentional exposure. The ability of metal nanoparticles to penetrate the skin ranges from stopping at the stratum corneum to passing below the dermis and entering the systemic circulation. Despite the potential health risks associated with skin exposure to metal nanoparticles, the mechanisms underlying the toxicity of metal nanoparticles on skin keratinocytes remain unclear. In this study, we proposed that exposure of human epidermal keratinocytes (HaCaT) to metal nanoparticles, such as nickel nanoparticles, dysregulates tight-junction associated proteins by interacting with the HIF-1α/miR-29b/MMPs axis. Methods We performed dose-response and time-response studies in HaCaT cells to observe the effects of Nano-Ni or Nano-TiO2 on the expression and activity of MMP-2 and MMP-9, and on the expression of tight junction-associated proteins, TIMP-1, TIMP-2, miR-29b, and HIF-1α. In the dose-response studies, cells were exposed to 0, 10, or 20 μg/mL of Nano-Ni or Nano-TiO2 for 24 h. In the time-response studies, cells were exposed to 20 μg/mL of Nano-Ni for 12, 24, 48, or 72 h. After treatment, cells were collected to either assess the expression of mRNAs and miR-29b by real-time PCR or to determine the expression of tight junction-associated proteins and HIF-1α nuclear accumulation by Western blot and/or immunofluorescent staining; the conditioned media were collected to evaluate the MMP-2 and MMP-9 activities by gelatin zymography assay. To further investigate the mechanisms underlying Nano-Ni-induced dysregulation of tight junction-associated proteins, we employed a HIF-1α inhibitor, CAY10585, to perturb HIF-1α accumulation in one experiment, and transfected a miR-29b-3p mimic into the HaCaT cells before Nano-Ni exposure in another experiment. Cells and conditioned media were collected, and the expression and activities of MMPs and the expression of tight junction-associated proteins were determined as described above. Results Exposure of HaCaT cells to Nano-Ni resulted in a dose-dependent increase in the expression of MMP-2, MMP-9, TIMP-1, and TIMP-2 and the activities of MMP-2 and MMP-9. However, exposure of cells to Nano-TiO2 did not cause these effects. Nano-Ni caused a dose-dependent decrease in the expression of miR-29b and tight junction-associated proteins, such as ZO-1, occludin, and claudin-1, while Nano-TiO2 did not. Nano-Ni also caused a dose-dependent increase in HIF-1α nuclear accumulation. The time-response studies showed that Nano-Ni caused significantly increased expressions of MMP-2 at 24 h, MMP-9 at 12, 24, and 48 h, TIMP-1 from 24 to 72 h, and TIMP-2 from 12 to 72 h post-exposure. The expression of miR-29b and tight junction-associated proteins such as ZO-1, occludin, and claudin-1 decreased as early as 12 h post-exposure, and their levels declined gradually over time. Pretreatment of cells with a HIF-1α inhibitor, CAY10585, abolished Nano-Ni-induced miR-29b down-regulation and MMP-2/9 up-regulation. Introduction of a miR-29b-3p mimic into HaCaT cells by transfection before Nano-Ni exposure ameliorated Nano-Ni-induced increased expression and activity of MMP-2 and MMP-9 and restored Nano-Ni-induced down-regulation of tight junction-associated proteins. Conclusion Our study herein demonstrated that exposure of human epidermal keratinocytes to Nano-Ni caused increased HIF-1α nuclear accumulation and increased transcription and activity of MMP-2 and MMP-9 and down-regulation of miR-29b and tight junction-associated proteins. Nano-Ni-induced miR-29b down-regulation was through Nano-Ni-induced HIF-1α nuclear accumulation. Restoration of miR-29b level by miR-29b-3p mimic transfection abolished Nano-Ni-induced MMP-2 and MMP-9 activation and down-regulation of tight junction-associated proteins. In summary, our results demonstrated that Nano-Ni-induced dysregulation of tight junction-associated proteins in skin keratinocytes was via HIF-1α/miR-29b/MMPs pathway. Supplementary Information The online version contains supplementary material available at 10.1186/s12989-021-00405-2.
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Affiliation(s)
- Jiali Yuan
- Department of Environmental and Occupational Health Sciences, School of Public Health and Information Sciences, University of Louisville, 485 E. Gray Street, Louisville, KY, 40202, USA
| | - Yue Zhang
- Department of Environmental and Occupational Health Sciences, School of Public Health and Information Sciences, University of Louisville, 485 E. Gray Street, Louisville, KY, 40202, USA
| | - Yuanbao Zhang
- Department of Environmental and Occupational Health Sciences, School of Public Health and Information Sciences, University of Louisville, 485 E. Gray Street, Louisville, KY, 40202, USA
| | - Yiqun Mo
- Department of Environmental and Occupational Health Sciences, School of Public Health and Information Sciences, University of Louisville, 485 E. Gray Street, Louisville, KY, 40202, USA
| | - Qunwei Zhang
- Department of Environmental and Occupational Health Sciences, School of Public Health and Information Sciences, University of Louisville, 485 E. Gray Street, Louisville, KY, 40202, USA.
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Srivastava AK, Chand Yadav T, Khera HK, Mishra P, Raghuwanshi N, Pruthi V, Prasad R. Insights into interplay of immunopathophysiological events and molecular mechanistic cascades in psoriasis and its associated comorbidities. J Autoimmun 2021; 118:102614. [PMID: 33578119 DOI: 10.1016/j.jaut.2021.102614] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 02/02/2021] [Accepted: 02/02/2021] [Indexed: 02/07/2023]
Abstract
Psoriasis is an inflammatory skin disease with complex pathogenesis and multiple etiological factors. Besides the essential role of autoreactive T cells and constellation of cytokines, the discovery of IL-23/Th17 axis as a central signaling pathway has unraveled the mechanism of accelerated inflammation in psoriasis. This has provided insights into psoriasis pathogenesis and revolutionized the development of effective biological therapies. Moreover, genome-wide association studies have identified several candidate genes and susceptibility loci associated with this disease. Although involvement of cellular innate and adaptive immune responses and dysregulation of immune cells have been implicated in psoriasis initiation and maintenance, there is still a lack of unifying mechanism for understanding the pathogenesis of this disease. Emerging evidence suggests that psoriasis is a high-mortality disease with additional burden of comorbidities, which adversely affects the treatment response and overall quality of life of patients. Furthermore, changing trends of psoriasis-associated comorbidities and shared patterns of genetic susceptibility, risk factors and pathophysiological mechanisms manifest psoriasis as a multifactorial systemic disease. This review highlights the recent progress in understanding the crucial role of different immune cells, proinflammatory cytokines and microRNAs in psoriasis pathogenesis. In addition, we comprehensively discuss the involvement of various complex signaling pathways and their interplay with immune cell markers to comprehend the underlying pathophysiological mechanism, which may lead to exploration of new therapeutic targets and development of novel treatment strategies to reduce the disastrous nature of psoriasis and associated comorbidities.
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Affiliation(s)
- Amit Kumar Srivastava
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Tara Chand Yadav
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Harvinder Kour Khera
- Tata Institute for Genetics and Society, Centre at InStem, Bangalore, 560065, Karnataka, India; Division of Biological Sciences, University of California, San Diego, La Jolla, CA, 92093, United States
| | - Purusottam Mishra
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Navdeep Raghuwanshi
- Vaccine Formulation & Research Center, Gennova (Emcure) Biopharmaceuticals Limited, Pune, 411057, Maharashtra, India
| | - Vikas Pruthi
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Ramasare Prasad
- Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India.
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Roganović J. Downregulation of microRNA-146a in diabetes, obesity and hypertension may contribute to severe COVID-19. Med Hypotheses 2021; 146:110448. [PMID: 33338955 PMCID: PMC7836676 DOI: 10.1016/j.mehy.2020.110448] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Revised: 11/17/2020] [Accepted: 12/02/2020] [Indexed: 12/15/2022]
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is able to produce an excessive host immune reaction and may leads to severe disease- a life-threatening condition occurring more often in patients suffering from comorbidities such as hypertension, diabetes and obesity. Infection by human corona viruses highly depends on host microRNA (miR) involved in regulation of host innate immune response and inflammation-modulatory miR-146a is among the first miRs induced by immune reaction to a virus. Moreover, recent analysis showed that miR-146 is predicted to target at the SARS-CoV-2 genome. As the dominant regulator of Toll-like receptors (TLRs) downstream signaling, miR-146a may limit excessive inflammatory response to virus. Downregulation of circulating miR-146a was found in diabetes, obesity and hypertension and it is reflected by enhanced inflammation and fibrosis, systemic effects accompanying severe COVID-19. Thus it could be hypothesized that miR-146a deficiency may contribute to severe COVID-19 state observed in diabetes, obesity and hypertension but further investigations are needed.
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Affiliation(s)
- Jelena Roganović
- Department of Pharmacology in Dentistry, School of Dental Medicine, University of Belgrade, Belgrade, Serbia.
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