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Hemdan M, Abdel Mageed SS, Abulsoud AI, Faraag AHI, Zaki MB, Mansour RM, Raouf AA, Ali MA, Mohammed OA, Salman A, Salah AN, Abdel-Reheim MA, Doghish AS. Approaches based on miRNAs in Behçet's Disease: Unveiling pathogenic mechanisms, diagnostic strategies, and therapeutic applications. Life Sci 2024; 354:122950. [PMID: 39128821 DOI: 10.1016/j.lfs.2024.122950] [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: 05/27/2024] [Revised: 07/16/2024] [Accepted: 08/05/2024] [Indexed: 08/13/2024]
Abstract
Behçet's Disease (BD) is an intricate medical puzzle, captivating researchers with its enigmatic pathogenesis. This complex ailment, distinguished by recurrent mouth and genital lesions, eye irritation, and skin injuries, presents a substantial obstacle to therapeutic research. This review explores the complex interaction of microRNAs (miRNAs) with BD, highlighting their crucial involvement in the disease's pathophysiology. miRNAs, recognized for regulatory influence in diverse biological processes, hold a pivotal position in the molecular mechanisms of autoimmune diseases, such as BD. The exploration begins with examining miRNA biogenic pathways and functions, establishing a foundational understanding of their regulatory mechanisms. Shifting to the molecular landscape governing BD, the review highlights miRNA-mediated impacts on critical signaling pathways like Notch, nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), and protein kinase B (AKT)/mammalian target of rapamycin (mTOR), offering insights into intricate pathophysiological mechanisms. Dissecting the immunological landscape reveals the profound influence of miRNAs on BD, shedding light on the intricate modulation of immune responses and offering novel perspectives on disease etiology and progression. Beyond molecular intricacies, the review explores the clinical relevance of miRNAs in BD, emphasizing their potential as diagnostic and prognostic indicators. The discussion extends to the promising realm of miRNA-based therapeutic interventions, highlighting their potential in alleviating symptoms and altering disease progression. This comprehensive review, serving as a valuable resource for researchers, clinicians, and stakeholders, aims to decipher the intricate molecular tapestry of BD and explore the therapeutic potential of miRNAs.
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Affiliation(s)
- Mohamed Hemdan
- School of Biotechnology, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Sherif S Abdel Mageed
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Ahmed I Abulsoud
- Biochemistry Department, Faculty of Pharmacy, Heliopolis University, Cairo 11785, Egypt; Biochemistry and Molecular Biology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, Cairo 11231, Egypt
| | - Ahmed H I Faraag
- School of Biotechnology, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt; Botany and Microbiology Department, Faculty of Science, Helwan University, Helwan 11795, Egypt
| | - Mohamed Bakr Zaki
- Department of Biochemistry, Faculty of Pharmacy, University of Sadat City, Menoufia 32897, Egypt
| | - Reda M Mansour
- Zoology and Entomology Department, Faculty of Science, Helwan University, Helwan 11795, Egypt; Biology Department, School of Biotechnology, Badr University in Cairo, Badr City, Cairo 11829, Egypt
| | - Ahmed Amr Raouf
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Mohamed A Ali
- School of Biotechnology, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Osama A Mohammed
- Department of Pharmacology, College of Medicine, University of Bisha, Bisha 61922, Saudi Arabia
| | - Aya Salman
- Department of Biochemistry, Faculty of Pharmacy, Egyptian Russian University, Cairo, Egypt
| | - Akram N Salah
- Microbiology and Immunology Department, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt
| | - Mustafa Ahmed Abdel-Reheim
- Department of Pharmaceutical Sciences, College of Pharmacy, Shaqra University, Shaqra 11961, Saudi Arabia; Department of Pharmacology and Toxicology, Faculty of Pharmacy, Beni-Suef University, Beni Suef 62521, Egypt.
| | - Ahmed S Doghish
- Department of Biochemistry, Faculty of Pharmacy, Badr University in Cairo (BUC), Badr City, Cairo 11829, Egypt; Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City, Cairo 11231, Egypt.
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2
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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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3
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Galbiati V, Lefevre MA, Maddalon A, Vocanson M, Iulini M, Marinovich M, Corsini E. Role of miR-24-3p and miR-146a-5p in dendritic cells' maturation process induced by contact sensitizers. Arch Toxicol 2023; 97:2183-2191. [PMID: 37326882 PMCID: PMC10322961 DOI: 10.1007/s00204-023-03542-z] [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: 04/26/2023] [Accepted: 06/06/2023] [Indexed: 06/17/2023]
Abstract
MiRNAs are non-coding RNA molecules that regulate gene expression at the post-transcriptional level. Although allergic contact dermatitis has been studied extensively, few studies addressed miRNA expression and their role in dendritic cell activation. The main aim of this work was to investigate the role of miRNAs in the underlying mechanism of dendritic cell maturation induced by contact sensitizers of different potency. Experiments were conducted using THP-1-derived immature DCs (iDCs). Contact allergens of different potency were used: p-benzoquinone, Bandrowski's base, and 2,4-dinitrochlorobenzene as extreme; nickel sulfate hexahydrate, diethyl maleate and 2-mercaptobenzothiazole as moderate; and α-hexyl cinnamaldehyde, eugenol, and imidazolidinyl urea as weak. Selective inhibitor and mimic miRNAs were then used and several cell surface markers was evaluated as targets. Also, patients patch tested with nickel were analyzed to determine miRNAs expression. Results indicate an important role of miR-24-3p and miR-146a-5p in DCs activation. miR-24-3p was up-regulated by extreme and weak contact allergens, while miR-146a-5p was up-regulated by weak and moderate contact allergens and down-regulated only by the extreme ones. Also, the involvement of PKCβ in contact allergen-induced miR-24-3p and miR-146a-5p expression was demonstrated. Furthermore, the expression of the two miRNAs maintains the same trend of expression in both in vitro and in human conditions after nickel exposure. Results obtained suggest the involvement of miR-24 and miR-146a in DCs maturation process in the proposed in vitro model, supported also by human evidences.
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Affiliation(s)
- Valentina Galbiati
- Laboratory of Toxicology, DiSFeB, Università degli Studi di Milano, Milan, Italy.
| | - Marine-Alexia Lefevre
- CIRI, Centre International de Recherche en Infectiologie, (Team Epidermal Immunity and Allergy), Univ Lyon; Inserm, U1111, Université Claude Bernard Lyon 1; CNRS, UMR5308; ENS de Lyon, Lyon, France
| | - Ambra Maddalon
- Laboratory of Toxicology, DiSFeB, Università degli Studi di Milano, Milan, Italy
| | - Marc Vocanson
- CIRI, Centre International de Recherche en Infectiologie, (Team Epidermal Immunity and Allergy), Univ Lyon; Inserm, U1111, Université Claude Bernard Lyon 1; CNRS, UMR5308; ENS de Lyon, Lyon, France
| | - Martina Iulini
- Laboratory of Toxicology, DiSFeB, Università degli Studi di Milano, Milan, Italy
| | - Marina Marinovich
- Laboratory of Toxicology, DiSFeB, Università degli Studi di Milano, Milan, Italy
| | - Emanuela Corsini
- Laboratory of Toxicology, DiSFeB, Università degli Studi di Milano, Milan, Italy
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Hou H, Li J, Wang J, Zhou L, Li J, Liang J, Yin G, Li X, Cheng Y, Zhang K. ITGA9 Inhibits Proliferation and Migration of Dermal Microvascular Endothelial Cells in Psoriasis. CLINICAL, COSMETIC AND INVESTIGATIONAL DERMATOLOGY 2022; 15:2795-2806. [PMID: 36573168 PMCID: PMC9789714 DOI: 10.2147/ccid.s394398] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 12/09/2022] [Indexed: 12/24/2022]
Abstract
Background Cell proliferation, migration, and angiogenesis are aberrant in psoriatic human dermal microvascular endothelial cells (HDMECs), resulting in abnormal endothelial function and microvascular dilation in psoriasis. Objective To explore the role of Integrin subunit alpha 9 (ITGA9) in proliferation and migration of dermal microvascular endothelial cells. Methods HDMECs were isolated from the skin of 6 psoriatic patients and 6 healthy controls. Expression levels of ITGA9 mRNA and protein were assessed with qRT-PCR and Western blot, respectively, while miqRT-PCR was used to determine expression levels of miR-146a-3p. Cell proliferation and migration were assessed in human microvascular endothelial cell line (HMEC-1), following overexpression of either ITGA9 or miR-146a-3p, or co-transfection with miR-146a-3p-mimic and pLVX - ITGA9. Cell viability was detected by Cell Counting Kit-8 assay and 5-ethynyl-2'-deoxyuridine (EdU) cell proliferation assay. Cell apoptosis was assessed, using annexin V-FITC/PI apoptosis detection kit, while cell migration was detected by wound healing and transwell assay. Results Expression levels of ITGA9 were significantly decreased in psoriatic HDMECs compared to normal controls. Moreover, expression levels of miR-146a-3p were higher in psoriatic HDMECs than in normal controls. Overexpression of miR-146a-3p lowered expression levels of ITGA9, accompanied by increased proliferation and migration of HMEC-1 in vitro. In contrast, overexpression of ITGA9 inhibited proliferation and migration of HMEC-1, while increasing expression levels of cdc42, ki67, focal adhesion kinase (FAK), c-Src tyrosine kinase (Src), RAC1 and RhoA. Conclusion ITGA9 can repress the proliferation and migration of HMEC-1, suggesting utility of ITGA9 as a potential therapeutic intervention for psoriasis.
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Affiliation(s)
- Hui Hou
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Jiao Li
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Juanjuan Wang
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Ling Zhou
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Junqin Li
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Jiannan Liang
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Guohua Yin
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Xinhua Li
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Yueai Cheng
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China
| | - Kaiming Zhang
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, People’s Republic of China,Correspondence: Kaiming Zhang, Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, No. 5 Dong San Dao Xiang, Jiefang Road, Taiyuan, Shanxi Province, People’s Republic of China, Tel +86-351-5656080, Email
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5
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Cai B, Li M, Zheng Y, Yin Y, Jin F, Li X, Dong J, Jiao X, Liu X, Zhang K, Li D, Wang J, Yin G. MicroRNA-149-mediated MAPK1/ERK2 Suppression Attenuates Hair Follicle stem Cell Differentiation. Hum Gene Ther 2022; 33:625-637. [PMID: 35171714 DOI: 10.1089/hum.2021.065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Hair follicle stem cells (HFSCs) are responsible for hair growth and hair follicle (HF) regeneration. microRNAs (miRNAs) have been demonstrated to be involved in the differentiation of HFSCs. Thus, present study aimed to explore the potential role of miR-149 in the differentiation of HFSCs. The isolated HFSCs were identified by flow cytometric sorting. miR-149 expression was determined during differentiation of HFSCs. Gain- and loss-of-function approaches were conducted to explore the roles of miR-149, MAPK1/ERK2, and FGF2/c-MYC in colony formation and proliferation of HFSCs. Furthermore, in vivo assays were undertaken in miR-149 knockout mice to confirm their roles in HFSC differentiation. miR-149 was found to be down-regulated during HFSC differentiation, and overexpressed miR-149 restricted the proliferation and differentiation of HFSCs. miR-149 was confirmed to target and inhibit MAPK1/ERK2, which was highly expressed in and positively associated with HFSC differentiation. The MAPK1/ERK2 promotion in HFSC differentiation was achieved by augmenting expression of FGF2 and c-MYC. The in vitro effects of miR-149 were validated in in vivo experiments. Taken together, up-regulated miR-149 restricted HFSC differentiation and hair growth by targeting MAPK1/ERK2 to reduce expression of FGF2 and c-MYC, which sheds light on the underlying molecular mechanism on hair growth.
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Affiliation(s)
- Bingjie Cai
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China;
| | - Min Li
- Hunan Provincial People's Hospital, 87803, Changsha, Hunan, China;
| | - Yunpeng Zheng
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China;
| | - Yakun Yin
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China;
| | - Fangcao Jin
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China;
| | - Xuyang Li
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China;
| | - Juan Dong
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China;
| | - Xiaoyan Jiao
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China;
| | - Xiaojun Liu
- Henan Province Medical Instrument Testing Institute, Zhengzhou, China;
| | - Kun Zhang
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China;
| | - Dongqin Li
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China;
| | - Junmin Wang
- College of Basic Medical Sciences, Zhengzhou University, College of Basic Medical Sciences, Zhengzhou University, No. 100, Kexue Avenue, Zhengzhou 450000, Henan Province, P. R. China, Zhengzhou, China, 450000;
| | - Guangwen Yin
- The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China;
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6
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El-Komy M, Amin I, El-Hawary MS, Saadi D, Shaker O. Upregulation of the miRNA-155, miRNA-210, and miRNA-20b in psoriasis patients and their relation to IL-17. Int J Immunopathol Pharmacol 2021; 34:2058738420933742. [PMID: 32602388 PMCID: PMC7328219 DOI: 10.1177/2058738420933742] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Psoriasis is an immune-mediated disease, with genetic background and triggering
environmental factors; however, several gaps are still present in understanding
the intertwined relationship between these elements. Epigenetic mechanisms,
including microRNAs (miRNAs), play an important role in the pathogenesis of
psoriasis. The relationship between interleukin (IL)-17, a key cytokine in
psoriasis, and these epigenetic mechanisms still needs to be elucidated. This
study aimed at assessing the expression of miRNA-155, miRNA-210, and miRNA-20b
in skin and sera of psoriasis patients in relation to IL-17 levels. For 20
psoriasis patients and 20 matching controls, the expression of miRNA-155,
miRNA-210, and miRNA-20b was assessed using real-time polymerase chain reaction
(RT-PCR), whereas IL-17/IL-17A levels were measured using quantitative
enzyme-linked immunosorbent assay (ELISA) technique. MiRNA-155 expression was
significantly higher in lesional skin compared to controls
(P = 0.001). MiRNA-210 expression was significantly higher in
both, lesional skin (P = 0.010) and sera of patients
(P = 0.001) in comparison with controls. A statistically
significant positive correlation was found between serum miRNA-210 expression
and serum levels of IL-17/IL-17A (P = 0.010, rs = 0.562).
MiRNA-20b lesional and non-lesional expression was significantly higher than
controls (P < 0.001; P = 0.018). In
conclusion, the expression of miRNA-155, miRNA-210, and miRNA-20b is exaggerated
in psoriasis and they may be involved in disease pathogenesis. A possible
relationship between miRNA-210 and IL-17 may be suggested; however, further
studies are still needed to verify this relation.
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Affiliation(s)
- Mohamed El-Komy
- Department of Dermatology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Iman Amin
- Department of Dermatology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | | | - Dina Saadi
- Department of Dermatology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Olfat Shaker
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Cairo University, Cairo, Egypt
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7
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Yi JZ, McGee JS. Epigenetic-modifying therapies: An emerging avenue for the treatment of inflammatory skin diseases. Exp Dermatol 2021; 30:1167-1176. [PMID: 33752257 DOI: 10.1111/exd.14334] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 02/15/2021] [Accepted: 03/18/2021] [Indexed: 12/11/2022]
Abstract
Epigenetic modifications include DNA methylation, histone modification and the action of microRNAs. These mechanisms coordinate in complex networks to control gene expression, thereby regulating key physiological processes in the skin and immune system. Recently, researchers have turned to the epigenome to understand the pathogenesis of inflammatory skin diseases. In psoriasis and atopic dermatitis, epigenetic modifications contribute to key pathogenic events such as immune activation, T-cell polarization and keratinocyte dysfunction. These discoveries have introduced new possibilities for the treatment of skin diseases; unlike genetics, epigenetic alterations are readily modifiable and potentially reversible. In this viewpoint essay, we summarize the current state of epigenetic research in inflammatory skin diseases and propose that targeting the histone machinery is a promising avenue for the development of new therapies for psoriasis and atopic dermatitis. Expanding on the progress that has already been made in the field of cancer epigenetics, we discuss existing epigenetic-modifying tools that can be applied to the treatment of inflammatory skin diseases and consider future directions for investigation in order to allow for the widespread clinical application of such therapies.
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Affiliation(s)
- Julie Z Yi
- Department of Dermatology, Beth Israel Deaconess Medical Center, Boston, MA, USA
| | - Jean S McGee
- Department of Dermatology, Beth Israel Deaconess Medical Center, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
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8
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Werner P, Wisgrill L, Riskumäki M, Jalonen E, Vendelin J, Suomela S, Lauerma A, Alenius H, Fyhrquist N. Identification of novel miRNA-mRNA regulatory networks in contact dermatitis by integrated microarray analysis. Allergy 2021; 76:1257-1261. [PMID: 32882078 PMCID: PMC8246963 DOI: 10.1111/all.14578] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/11/2020] [Accepted: 08/26/2020] [Indexed: 12/05/2022]
Affiliation(s)
- Paulina Werner
- Institute of Environmental Medicine Karolinska Institutet Stockholm Sweden
| | - Lukas Wisgrill
- Institute of Environmental Medicine Karolinska Institutet Stockholm Sweden
- Division of Neonatology Pediatric Intensive Care and Neuropediatrics Comprehensive Center for Pediatrics Medical University of Vienna Vienna Austria
| | - Matilda Riskumäki
- Institute of Environmental Medicine Karolinska Institutet Stockholm Sweden
| | - Erja Jalonen
- Skin and Allergy Hospital Helsinki University Hospital Helsinki Finland
| | | | - Sari Suomela
- Finnish Institute of Occupational Health Helsinki Finland
| | - Antti Lauerma
- Skin and Allergy Hospital Helsinki University Hospital Helsinki Finland
| | - Harri Alenius
- Institute of Environmental Medicine Karolinska Institutet Stockholm Sweden
- Department of Bacteriology and Immunology Medicum University of Helsinki Helsinki Finland
| | - Nanna Fyhrquist
- Institute of Environmental Medicine Karolinska Institutet Stockholm Sweden
- Department of Bacteriology and Immunology Medicum University of Helsinki Helsinki Finland
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9
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Lindberg T, Forreryd A, Bergendorff O, Lindstedt M, Zeller KS. In vitro assessment of mechanistic events induced by structurally related chemical rubber sensitizers. Toxicol In Vitro 2019; 60:144-153. [PMID: 31082492 DOI: 10.1016/j.tiv.2019.05.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 04/30/2019] [Accepted: 05/09/2019] [Indexed: 10/26/2022]
Abstract
Allergic contact dermatitis (ACD) is one of the most common forms of immunotoxicity, and increased understanding of how chemicals trigger these adverse reactions is needed in order to treat or design testing strategies to identify and subsequently avoid exposure to such substances. In this study, we investigated the cellular response induced by rubber chemicals in a dendritic cell (DC) model, focusing on the structurally similar chemicals diethylthiocarbamylbenzothiazole sulfide and dimethylthiocarbamylbenzothiazole sulfide, with regard to regulation of microRNA, and messenger RNA expression. Only a few miRNAs were found to be commonly regulated by both rubber chemicals, among them miR1973, while the overall miRNA expression profiles were diverse. Similarly, out of approximately 500 differentially regulated transcripts for each chemical, about 60% overlapped, while remaining were unique. The pathways predicted to be enriched in the cell model by stimulation with the rubber chemicals were linked to immunological events, relevant in the context of ACD. These results suggest that small structural differences can trigger specific activation of the immune system in response to chemicals. The here presented mechanistic data can be valuable in explaining the immunotoxicological events in DC activation after exposure to skin sensitizing chemicals, and can contribute to understanding, preventing and treating ACD.
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Affiliation(s)
- Tim Lindberg
- Department of Immunotechnology, Medicon Village (406), 22381 Lund, Sweden.
| | - Andy Forreryd
- Department of Immunotechnology, Medicon Village (406), 22381 Lund, Sweden.
| | - Ola Bergendorff
- Department of Occupational and Environmental Dermatology, Skåne University Hospital, Lund University, 20502 Malmö, Sweden.
| | - Malin Lindstedt
- Department of Immunotechnology, Medicon Village (406), 22381 Lund, Sweden.
| | - Kathrin S Zeller
- Department of Immunotechnology, Medicon Village (406), 22381 Lund, Sweden.
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10
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Litman T. Personalized medicine-concepts, technologies, and applications in inflammatory skin diseases. APMIS 2019; 127:386-424. [PMID: 31124204 PMCID: PMC6851586 DOI: 10.1111/apm.12934] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 01/31/2019] [Indexed: 12/19/2022]
Abstract
The current state, tools, and applications of personalized medicine with special emphasis on inflammatory skin diseases like psoriasis and atopic dermatitis are discussed. Inflammatory pathways are outlined as well as potential targets for monoclonal antibodies and small-molecule inhibitors.
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Affiliation(s)
- Thomas Litman
- Department of Immunology and MicrobiologyUniversity of CopenhagenCopenhagenDenmark
- Explorative Biology, Skin ResearchLEO Pharma A/SBallerupDenmark
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11
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Sheng Y, Qi S, Hu R, Zhao J, Rui W, Miao Y, Ma J, Yang Q. Identification of blood microRNA alterations in patients with severe active alopecia areata. J Cell Biochem 2019; 120:14421-14430. [PMID: 30983035 DOI: 10.1002/jcb.28700] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 11/27/2018] [Accepted: 12/06/2018] [Indexed: 02/06/2023]
Affiliation(s)
- Youyu Sheng
- Department of Dermatology Huashan Hospital Fudan University Shanghai China
| | - Sisi Qi
- Department of Dermatology Huashan Hospital Fudan University Shanghai China
| | - Ruiming Hu
- Department of Dermatology Huashan Hospital Fudan University Shanghai China
| | - Jun Zhao
- Department of Dermatology Huashan Hospital Fudan University Shanghai China
| | - Wenlong Rui
- Department of Dermatology Huashan Hospital Fudan University Shanghai China
| | - Ying Miao
- Department of Dermatology Huashan Hospital Fudan University Shanghai China
| | - Jingwen Ma
- Department of Dermatology Huashan Hospital Fudan University Shanghai China
| | - Qinping Yang
- Department of Dermatology Huashan Hospital Fudan University Shanghai China
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12
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Lee KS, Shin S, Cho E, Im WK, Jeon SH, Kim Y, Park D, Fréchet M, Chajra H, Jung E. nc886, a non-coding RNA, inhibits UVB-induced MMP-9 and COX-2 expression via the PKR pathway in human keratinocytes. Biochem Biophys Res Commun 2019; 512:647-652. [PMID: 30685091 DOI: 10.1016/j.bbrc.2019.01.068] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 01/14/2019] [Indexed: 01/30/2023]
Abstract
nc886, a long non-coding RNA (ncRNA) of 101 nucleotides in length, is known as a vault RNA or microRNA precursor. Despite the recent discovery that ncRNAs in the nucleus play a crucial role in regulating chromosomal transformation and transcription, only a few studies have focused on the function of ncRNAs in the cytoplasm, such as nc886. Several studies have investigated the function of nc886 as a suppressor of carcinogenesis and inflammation in different cancer cell types; however, its role in the skin has yet to be clearly elucidated. The two RNA binding sites for protein kinase RNA-activated (PKR) are located in the central region of the stable structure of nc886, which competes with other double-stranded RNA species. Successful binding results in decreased PKR activity. Among changes in skin cells induced by ultraviolet B (UVB) radiation, nc886 expression decreases, whereas PKR phosphorylation via mitogen-activated protein kinases (MAPKs) increases. Reduced nc886 expression leads to uncontrolled PKR activity and increases in the expression of inflammatory cytokines, matrix metalloproteinase-9 (MMP-9), type IV collagenase, and cyclooxygenase (COX-2), which ultimately accelerate inflammatory responses and skin aging. The present study investigated the regulatory mechanism associated with PKR activity and nc886-PKR binding in skin cell aging and inflammation. These results suggest a role for nc886 in controlling photoaging and inflammation in skin cells.
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Affiliation(s)
- Kwang-Soo Lee
- Life Science Institute, Biospectrum, Yongin, Gyeonggi, South Korea
| | - Seoungwoo Shin
- Life Science Institute, Biospectrum, Yongin, Gyeonggi, South Korea
| | - Eunae Cho
- Life Science Institute, Biospectrum, Yongin, Gyeonggi, South Korea
| | - Won Kyun Im
- Department of Cancer Biomedical Science, Graduate School of Cancer Science and Policy, National Cancer Center, Goyang, Gyeonggi, South Korea; Department of Life Science and Multidisciplinary Genome Institute, Hallym University, Chuncheon, Gangwon, South Korea
| | - Sung Ho Jeon
- Department of Life Science and Multidisciplinary Genome Institute, Hallym University, Chuncheon, Gangwon, South Korea
| | - Younghyun Kim
- Life Science Institute, Biospectrum, Yongin, Gyeonggi, South Korea
| | - Deokhoon Park
- Life Science Institute, Biospectrum, Yongin, Gyeonggi, South Korea
| | | | - Hanane Chajra
- Clariant Active Ingredients, d'espagne, Toulouse, France
| | - Eunsun Jung
- Life Science Institute, Biospectrum, Yongin, Gyeonggi, South Korea.
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Abstract
INTRODUCTION Keloids and hypertrophic scars are fibroproliferative disorders of the skin that result from abnormal healing of injured or irritated skin. Multiple studies suggest that genetic, systemic and local factors may contribute to the development and/or growth of keloids and hypertrophic scars. A key local factor may be mechanical stimuli. Here, we provide an up-to-date review of the studies on the roles that genetic variation, epigenetic modifications and mechanotransduction play in keloidogenesis. METHODS An English literature review was performed by searching the PubMed, Embase and Web of Science databases with the following keywords: genome-wide association study; epigenetics; non-coding RNA; microRNA; long non-coding RNA (lncRNA); DNA methylation; mechanobiology; and keloid. The searches targeted the time period between the date of database inception and July 2018. RESULTS Genetic studies identified several single-nucleotide polymorphisms and gene linkages that may contribute to keloid pathogenesis. Epigenetic modifications caused by non-coding RNAs (e.g. microRNAs and lncRNAs) and DNA methylation may also play important roles by inducing the persistent activation of keloidal fibroblasts. Mechanical forces and the ensuing cellular mechanotransduction may also influence the degree of scar formation, scar contracture and the formation/progression of keloids and hypertrophic scars. CONCLUSIONS Recent research indicates that the formation/growth of keloids and hypertrophic scars associate clearly with genetic, epigenetic, systemic and local risk factors, particularly skin tension around scars. Further research into scar-related genetics, epigenetics and mechanobiology may reveal molecular, cellular or tissue-level targets that could lead to the development of more effective prophylactic and therapeutic strategies for wounds/scars in the future.
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Affiliation(s)
- Chia-Hsuan Tsai
- Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Keelung & Chang Gung University College of Medicine, Taoyuan
- Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School, Tokyo, Japan
| | - Rei Ogawa
- Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School, Tokyo, Japan
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MicroRNA-21-Mediated Inhibition of Mast Cell Degranulation Involved in the Protective Effect of Berberine on 2,4-Dinitrofluorobenzene-Induced Allergic Contact Dermatitis in Rats via p38 Pathway. Inflammation 2018; 41:689-699. [PMID: 29282578 DOI: 10.1007/s10753-017-0723-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The study aimed to investigate the effect of berberine on allergic contact dermatitis (ACD) in rats and explore its underlying mechanisms. Firstly, ACD model was established by sensitizing and challenging with 2,4-dinitrofluorobenzene (DNFB) topically, and the rats were treated with berberine. Ear swelling was assessed, and cytokine, IgE, and histamine productions were measured. The ear biopsies were obtained for histology analysis. Additionally, rat peritoneal mast cells (RPMCs) were isolated for detection of microRNA-21 (miR-21) expression, mitogen-activated protein kinase (MAPK) signaling, and MC degranulation. Lastly, RPMCs were transfected with miR-21 mimic or miR-21 inhibitor to investigate the relationship between miR-21 and p38 pathway in MC. Our results showed that berberine significantly attenuated ear swelling in DNFB-induced ACD (ACD vs high dose of berberine 0.48 ± 0.03 vs. 0.33 ± 0.03 mm, P < 0.01), inhibited inflammatory cell infiltration (86 ± 5.16 vs. 58 ± 4.32 cells/mm2, P < 0.01), reduced MC recruitment (61 ± 4.07 vs. 39 ± 3.42 mast cells/mm2, P < 0.01), as well as decreased inflammatory cytokine, IgE, and histamine productions (all P < 0.05). Berberine treatment inhibited miR-21 expression, suppressed β-hexosaminidase and histamine release, and prevented p38 phosphorylation (all P < 0.05), which was abrogated by pretreatment with miR-21 overexpression. These findings indicate that miR-21-mediated inhibition of MC degranulation is involved in the anti-ACD effect of berberine via inhibiting p38 pathway, which provide a new insight into the immunopharmacological role of berberine and suggest its potential application for the treatment of allergic inflammation, such as ACD.
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15
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Lee HJ, Jang YJ. Recent Understandings of Biology, Prophylaxis and Treatment Strategies for Hypertrophic Scars and Keloids. Int J Mol Sci 2018; 19:ijms19030711. [PMID: 29498630 PMCID: PMC5877572 DOI: 10.3390/ijms19030711] [Citation(s) in RCA: 267] [Impact Index Per Article: 44.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 01/07/2018] [Accepted: 01/08/2018] [Indexed: 02/06/2023] Open
Abstract
Hypertrophic scars and keloids are fibroproliferative disorders that may arise after any deep cutaneous injury caused by trauma, burns, surgery, etc. Hypertrophic scars and keloids are cosmetically problematic, and in combination with functional problems such as contractures and subjective symptoms including pruritus, these significantly affect patients’ quality of life. There have been many studies on hypertrophic scars and keloids; but the mechanisms underlying scar formation have not yet been well established, and prophylactic and treatment strategies remain unsatisfactory. In this review, the authors introduce and summarize classical concepts surrounding wound healing and review recent understandings of the biology, prevention and treatment strategies for hypertrophic scars and keloids.
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Affiliation(s)
- Ho Jun Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Chuncheon Sacred Heart Hospital, College of Medicine, Hallym University, Chuncheon 24253, Korea.
| | - Yong Ju Jang
- Department of Otolaryngology, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea.
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16
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Yuan H, Ma J, Li T, Han X. MiR-29b aggravates lipopolysaccharide-induced endothelial cells inflammatory damage by regulation of NF-κB and JNK signaling pathways. Biomed Pharmacother 2018; 99:451-461. [PMID: 29665646 DOI: 10.1016/j.biopha.2018.01.060] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 01/04/2018] [Accepted: 01/05/2018] [Indexed: 12/13/2022] Open
Abstract
MicroRNAs (miRNAs) have been reported to involve in variety of biological progresses. The present study aimed to explore the functional roles of miR-29b in endothelial cells inflammatory damage, as well as the underlying mechanisms. Lipopolysaccharide (LPS) was used to induce endothelial cell inflammation, and the role of miR-29b in endothelial cells inflammatory damage was detected by testing cell viability, cell apoptosis, and the expression of inflammation factors after the suppression or overexpression of miR-29b. Aiming to make clear of the underlying mechanism of miR-29b regulation in inflammation, we studied the relationship between miR-29b and NF-κB/JNK pathway in HUVEC and Eahy926 cells. The results showed that LPS significantly suppressed cell viability, promoted apoptosis and increased TNF-α, IL-1α and INF-γ secretions. MiR-29b was up-regulated in LPS-treated HUVEC and Eahy926 cells. Moreover, suppression of miR-29b alleviated LPS-induced inflammatory injury by promoting cell viability, decreasing apoptosis and reducing the secretions of TNF-α, IL-1α and INF-γ in both HUVEC and Eahy926 cells. On the contrary, overexpression of miR-29b aggravated cell inflammatory injury in both HUVEC and Eahy926 cells. Furthermore, LPS activated NF-κB and JNK signal pathways. However, suppression of miR-29b reduced LPS-activated NF-κB and JNK pathways in both HUVEC and Eahy926 cells. Taken together, these findings concluded that miR-29b could regulate LPS-induced endothelial cells inflammatory injury through regulation of NF-κB and JNK signaling pathways.
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Affiliation(s)
- Huifeng Yuan
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Ji Ma
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Tengfei Li
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Xinwei Han
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China.
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17
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Yao X, Cui X, Wu X, Xu P, Zhu W, Chen X, Zhao T. Tumor suppressive role of miR-1224-5p in keloid proliferation, apoptosis and invasion via the TGF-β1/Smad3 signaling pathway. Biochem Biophys Res Commun 2018; 495:713-720. [DOI: 10.1016/j.bbrc.2017.10.070] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 10/14/2017] [Indexed: 01/10/2023]
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18
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Chen L, Li J, Li Q, Yan H, Zhou B, Gao Y, Li J. Non-Coding RNAs: The New Insight on Hypertrophic Scar. J Cell Biochem 2017; 118:1965-1968. [PMID: 28067426 DOI: 10.1002/jcb.25873] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Accepted: 01/06/2017] [Indexed: 12/31/2022]
Abstract
Hypertrophic scarring (HS), a fibroproliferative disorder caused by abnormal wound healing after skin injury, is characterized by excessive deposition of extracellular matrix and invasive growth of fibroblasts. Numerous studies have reported that non-coding RNAs (ncRNAs) including microRNAs (miRNAs, miRs) and long non-coding RNAs (lncRNAs) play important roles in HS formation. Exploring non-coding RNA-based methods to treat scar would be instrumental for devising new effective therapies against scar. J. Cell. Biochem. 118: 1965-1968, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Ling Chen
- Department of Plastic and Cosmetic Surgery, Maternal and Child Health Medical Institute, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing 210004, China
| | - Jingyun Li
- Department of Plastic and Cosmetic Surgery, Maternal and Child Health Medical Institute, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing 210004, China
| | - Qian Li
- Department of Plastic and Cosmetic Surgery, Maternal and Child Health Medical Institute, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing 210004, China
| | - Hui Yan
- Department of Plastic and Cosmetic Surgery, Maternal and Child Health Medical Institute, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing 210004, China
| | - Bei Zhou
- Department of Plastic and Cosmetic Surgery, Maternal and Child Health Medical Institute, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing 210004, China
| | - Yanli Gao
- Department of Plastic and Cosmetic Surgery, Maternal and Child Health Medical Institute, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing 210004, China
| | - Jun Li
- Department of Plastic and Cosmetic Surgery, Maternal and Child Health Medical Institute, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing 210004, China
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19
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Rostami Mogaddam M, Safavi Ardabili N, Shafaeei Y, Maleki N, Jafari N, Jafari A. Overexpression of Drosha, DiGeorge syndrome critical region gene 8 (DGCR8), and Dicer mRNAs in the pathogenesis of psoriasis. J Cosmet Dermatol 2017; 16:e48-e53. [DOI: 10.1111/jocd.12336] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/01/2017] [Indexed: 01/05/2023]
Affiliation(s)
- Majid Rostami Mogaddam
- Department of Dermatology; Imam Khomeini Hospital; Ardebil University of Medical Sciences; Ardabil Iran
| | | | - Yousef Shafaeei
- Department of Surgery; Imam Khomeini Hospital; Ardebil University of Medical Sciences; Ardebil Iran
| | - Nasrollah Maleki
- Department of Endocrine and Metabolic Diseases; The Persian Gulf Tropical Medicine Research Center; Bushehr University of Medical Sciences; Bushehr Iran
| | - Naser Jafari
- Markey Cancer Center; University of Kentucky; Lexington USA
| | - Alireza Jafari
- Department of Dermatology; Imam Khomeini Hospital; Ardebil University of Medical Sciences; Ardabil Iran
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20
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Wei T, Folkersen L, Biskup E, Xu N, Manfe V, Niazi O, Gniadecki R. Ubiquitin-specific peptidase 2 as a potential link between microRNA-125b and psoriasis. Br J Dermatol 2016; 176:723-731. [DOI: 10.1111/bjd.14916] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/03/2016] [Indexed: 11/30/2022]
Affiliation(s)
- T. Wei
- Department of Dermatology; Bispebjerg Hospital; Copenhagen Denmark
| | - L. Folkersen
- Department of Systems Biology; Technical University of Denmark; Lyngby Denmark
| | - E. Biskup
- Department of Dermatology; Bispebjerg Hospital; Copenhagen Denmark
| | - N. Xu
- Molecular Dermatology Research Group; Unit of Dermatology and Venereology; Department of Medicine; Karolinska Institutet; Stockholm Sweden
| | - V. Manfe
- Department of Dermatology; Bispebjerg Hospital; Copenhagen Denmark
| | - O. Niazi
- Department of Dermatology; Bispebjerg Hospital; Copenhagen Denmark
| | - R. Gniadecki
- Department of Dermatology; Bispebjerg Hospital; Copenhagen Denmark
- Faculty of Health Sciences; University of Copenhagen; Copenhagen Denmark
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21
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Srivastava A, Nikamo P, Lohcharoenkal W, Li D, Meisgen F, Xu Landén N, Ståhle M, Pivarcsi A, Sonkoly E. MicroRNA-146a suppresses IL-17-mediated skin inflammation and is genetically associated with psoriasis. J Allergy Clin Immunol 2016; 139:550-561. [PMID: 27568078 DOI: 10.1016/j.jaci.2016.07.025] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 06/25/2016] [Accepted: 07/26/2016] [Indexed: 12/21/2022]
Abstract
BACKGROUND Psoriasis is an immune-mediated inflammatory skin disease with a strong genetic background in which activation of IL-17 signaling is central in the pathogenesis. Little has been known about the role of noncoding RNAs, including microRNAs (miRNAs), in predisposition to the disease. OBJECTIVE We sought to investigate the genetic association of single nucleotide polymorphisms in microRNA-146a (miR-146a) to psoriasis and to explore its function in the initiation and resolution of the disease. METHODS Analysis of the genetic association of miR-146a rs2910164 and psoriasis was carried out on 1546 patients with psoriasis and 1526 control subjects. The role of miR-146a in patients with psoriasis was assessed by using miR-146a-/- mice in conjunction with the imiquimod-induced mouse model of psoriasis. The severity of psoriasis-like skin inflammation was evaluated at morphologic, histologic, and molecular levels. miR-146a was ectopically overexpressed and inhibited in keratinocytes treated with IL-17. Synthetic miR-146a was injected intradermally into mice. RESULTS Here we report protective association of a functional polymorphism in the miR-146a precursor (rs2910164). Genetic deficiency in miR-146a leads to earlier onset and exacerbated pathology of skin inflammation, with increased expression of IL-17-induced keratinocyte-derived inflammatory mediators, epidermal hyperproliferation, and increased neutrophil infiltration. Moreover, miR-146a-deficient mice do not resolve inflammation after discontinuation of imiquimod challenge. The overexpression of miR-146a suppressed, whereas its inhibition enhanced, IL-17-driven inflammation in keratinocytes. Functionally, miR-146a impairs the neutrophil chemoattractant capacity of keratinocytes. Finally, delivery of miR-146a mimics into the skin leads to amelioration of psoriasiform skin inflammation, decreased epidermal proliferation, and neutrophil infiltration. CONCLUSIONS Our results define a crucial role for miR-146a in modulating IL-17-driven inflammation in the skin.
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Affiliation(s)
- Ankit Srivastava
- Dermatology and Venerology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Pernilla Nikamo
- Dermatology and Venerology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Warangkana Lohcharoenkal
- Dermatology and Venerology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Dongqing Li
- Dermatology and Venerology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Florian Meisgen
- Dermatology and Venerology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Ning Xu Landén
- Dermatology and Venerology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Mona Ståhle
- Dermatology and Venerology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden; Unit of Dermatology, Karolinska University Hospital, Stockholm, Sweden
| | - Andor Pivarcsi
- Dermatology and Venerology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Enikö Sonkoly
- Dermatology and Venerology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden; Unit of Dermatology, Karolinska University Hospital, Stockholm, Sweden.
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22
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García-Rodríguez S, Arias-Santiago S, Blasco-Morente G, Orgaz-Molina J, Rosal-Vela A, Navarro P, Magro-Checa C, Martínez-López A, Ruiz JC, Raya E, Naranjo-Sintes R, Sancho J, Zubiaur M. Increased expression of microRNA-155 in peripheral blood mononuclear cells from psoriasis patients is related to disease activity. J Eur Acad Dermatol Venereol 2016; 31:312-322. [DOI: 10.1111/jdv.13861] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Accepted: 06/10/2016] [Indexed: 12/11/2022]
Affiliation(s)
- S. García-Rodríguez
- Department of Cellular Biology and Immunology; Instituto de Parasitología y Biomedicina López-Neyra, IPBLN-CSIC, Parque Tecnológico de la Salud de Granada (PTS Granada); Av. Conocimiento, 17, Granada-18016 Spain
| | - S. Arias-Santiago
- Department of Dermatology; Instituto de Investigación Biosanitaria de Granada, “ibs.GRANADA”, Hospitales Universitarios de Granada (H. U. Granada)/Universidad de Granada (UGR); Granada Spain
| | - G. Blasco-Morente
- Department of Dermatology; Instituto de Investigación Biosanitaria de Granada, “ibs.GRANADA”, Hospitales Universitarios de Granada (H. U. Granada)/Universidad de Granada (UGR); Granada Spain
| | - J. Orgaz-Molina
- Department of Dermatology; Instituto de Investigación Biosanitaria de Granada, “ibs.GRANADA”, Hospitales Universitarios de Granada (H. U. Granada)/Universidad de Granada (UGR); Granada Spain
| | - A. Rosal-Vela
- Department of Cellular Biology and Immunology; Instituto de Parasitología y Biomedicina López-Neyra, IPBLN-CSIC, Parque Tecnológico de la Salud de Granada (PTS Granada); Av. Conocimiento, 17, Granada-18016 Spain
| | - P. Navarro
- Department of Cellular Biology and Immunology; Instituto de Parasitología y Biomedicina López-Neyra, IPBLN-CSIC, Parque Tecnológico de la Salud de Granada (PTS Granada); Av. Conocimiento, 17, Granada-18016 Spain
| | - C. Magro-Checa
- Department of Rheumatology; Instituto de Investigación Biosanitaria de Granada, “ibs.GRANADA”, Hospitales Universitarios de Granada (H. U. Granada)/Universidad de Granada (UGR); Granada Spain
| | - A. Martínez-López
- Department of Dermatology; Instituto de Investigación Biosanitaria de Granada, “ibs.GRANADA”, Hospitales Universitarios de Granada (H. U. Granada)/Universidad de Granada (UGR); Granada Spain
| | - J.-C. Ruiz
- Department of Dermatology; Instituto de Investigación Biosanitaria de Granada, “ibs.GRANADA”, Hospitales Universitarios de Granada (H. U. Granada)/Universidad de Granada (UGR); Granada Spain
| | - E. Raya
- Department of Rheumatology; Instituto de Investigación Biosanitaria de Granada, “ibs.GRANADA”, Hospitales Universitarios de Granada (H. U. Granada)/Universidad de Granada (UGR); Granada Spain
| | - R. Naranjo-Sintes
- Department of Dermatology; Instituto de Investigación Biosanitaria de Granada, “ibs.GRANADA”, Hospitales Universitarios de Granada (H. U. Granada)/Universidad de Granada (UGR); Granada Spain
| | - J. Sancho
- Department of Cellular Biology and Immunology; Instituto de Parasitología y Biomedicina López-Neyra, IPBLN-CSIC, Parque Tecnológico de la Salud de Granada (PTS Granada); Av. Conocimiento, 17, Granada-18016 Spain
| | - M. Zubiaur
- Department of Cellular Biology and Immunology; Instituto de Parasitología y Biomedicina López-Neyra, IPBLN-CSIC, Parque Tecnológico de la Salud de Granada (PTS Granada); Av. Conocimiento, 17, Granada-18016 Spain
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Yu X, Li Z, Chan MTV, Wu WKK. microRNA deregulation in keloids: an opportunity for clinical intervention? Cell Prolif 2015; 48:626-30. [PMID: 26486103 DOI: 10.1111/cpr.12225] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 08/08/2015] [Indexed: 12/12/2022] Open
Abstract
Keloids are defined as benign dermal scars invading adjacent healthy tissue, characterized by aberrant fibroblast dynamics and overproduction of extracellular matrix. However, the aetiology and molecular mechanism of keloid production remain poorly understood. Recent discoveries have shed new light on the involvement of a class of non-coding RNAs known as microRNAs (miRNA), in keloid formation. A number of miRNAs have differential expression in keloid tissues and keloid-derived fibroblasts. These miRNAs have been characterized as novel regulators of cellular processes pertinent to wound healing, including extracellular matrix deposition and fibroblast proliferation. Delineating the functional significance of miRNA deregulation may help us better understand pathogenesis of keloids, and promote development of miRNA-directed therapeutics against this condition.
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Affiliation(s)
- Xin Yu
- Department of Dermatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100042, China
| | - Zheng Li
- Department of Orthopaedic Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, 100730, China
| | - Matthew T V Chan
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - William K K Wu
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Hong Kong, 999077, China.,State Key Laboratory of Digestive Disease, LKS Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong, 999077, China
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