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Zeng R, Guo B, Liao W, Zhuan K, Chen H, Qin Z, Lin J, Gu T, Zhou Z. Causal associations between fluid intake patterns and dermatitis risk: a Mendelian randomization study. Front Nutr 2024; 11:1416619. [PMCID: PMC11349695 DOI: 10.3389/fnut.2024.1416619] [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: 04/12/2024] [Accepted: 07/16/2024] [Indexed: 08/31/2024] Open
Abstract
Background Dermatitis is one of the most common skin disorders across the world. Atopic dermatitis (AD) and contact dermatitis (CD) are its two primary types. Few studies have focused on the causal relationship between fluid intake and dermatitis. With an Mendelian Randomization (MR), this study investigated the potential causal effects of alcohol, coffee, tea, and water intake on the risk of AD and CD. Methods Utilizing genetic variants as instrumental variables (IVs), a two-sample MR analysis was implemented based on data from the UK Biobank and FinnGen r9 consortium. Fluid intake was categorized into alcohol, coffee, tea, and water intake. Causal estimates were analyzed through Inverse Variance Weighted (IVW), MR-Egger, and weighted median methods. Cochran’s Q, MR-Egger intercept, and MR-PRESSO tests were conducted to assess potential heterogeneity and pleiotropy. Results Water intake exhibited a significant causal effect on raised CD risk (IVW OR = 2.92, 95% CI: 1.58–5.41, p = <0.01). Coffee intake was associated with increased CD risk (IVW OR = 2.16, 95% CI: 1.19–3.91, p = 0.01). Conversely, tea intake demonstrated a protective effect on AD risk (IVW OR = 0.71, 95% CI: 0.56–0.91, p = <0.01). Conclusion This MR study suggests a potential association where water and coffee intake may be linked to an elevated risk of CD, while tea intake may potentially have a mitigating effect on AD risk. Modifying fluid intake patterns could be a targeted approach for dermatitis prevention, emphasizing the need for additional longitudinal studies to validate and expand upon these findings.
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Affiliation(s)
- Ruiqi Zeng
- Guangzhou Medical University, Guangzhou, China
- Department of Clinical Medicine, The Nanshan College of Guangzhou Medical University, Guangzhou, China
| | - Beian Guo
- Guangzhou Medical University, Guangzhou, China
- Department of Clinical Medicine, The Nanshan College of Guangzhou Medical University, Guangzhou, China
| | - Wanzhe Liao
- Guangzhou Medical University, Guangzhou, China
- Department of Clinical Medicine, The Nanshan College of Guangzhou Medical University, Guangzhou, China
| | - Kairui Zhuan
- Guangzhou Medical University, Guangzhou, China
- Department of Clinical Medicine, The Third Clinical School of Guangzhou Medical University, Guangzhou, China
| | - Huilan Chen
- Guangzhou Medical University, Guangzhou, China
- Department of Clinical Medicine, The Third Clinical School of Guangzhou Medical University, Guangzhou, China
| | - Zixiang Qin
- Department of Baijiu, Sichuan University Jinjiang College, Meishan, China
| | - Junxi Lin
- Department of Electrical Engineering, Northwest Minzu University, Lanzhou, China
| | - Tingyu Gu
- Department of Biomedical Engineering, Guangdong Medical University, Dongguan, China
| | - Zhiyi Zhou
- Guangzhou Medical University, Guangzhou, China
- Department of Clinical Medicine, The Third Clinical School of Guangzhou Medical University, Guangzhou, China
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2
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Wennervaldt M, Vaher H, Ahlström MG, Bischofberger N, Menné T, Thyssen JP, Johansen JD, Bonefeld CM. Subclinical immune responses to nickel in sensitized individuals-a dose-response study. Contact Dermatitis 2024; 91:1-10. [PMID: 38577784 DOI: 10.1111/cod.14549] [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: 11/17/2023] [Revised: 02/10/2024] [Accepted: 03/08/2024] [Indexed: 04/06/2024]
Abstract
BACKGROUND Nickel is the leading cause of contact allergy in Europe, with 14.5% of the adult population being sensitized. Despite regulations limiting nickel release from consumer items, the incidence and prevalence of nickel allergy remain high. OBJECTIVE To investigate the clinical and subclinical immune response to low-dose nickel exposure on nickel pre-exposed skin to assess the adequacy of current regulatory limits. METHOD Nickel-allergic and healthy controls were patch tested with nickel twice with a 3-4 weeks interval. The first exposure used the diagnostic concentration of 2000 μg/cm2 nickel sulphate, and the same skin areas were then re-exposed to 0.2, 0.5, 12.8 and 370 μg/cm2 nickel sulphate. After 48 h, the patch reactions were examined for clinical signs of eczema, and skin biopsies were collected. The transcriptomic immune profile was analysed with Nanostring nCounter and quantitative polymerase chain reaction. RESULTS Two nickel-allergic participants (15%) had clinical reactions to the regulatory limiting doses for nickel (0.2/0.5 μg/cm2) following re-exposure. There was immune activation in all skin areas following re-exposure to nickel, predominantly mediated by up-regulation of cytokines and chemokines. In all nickel re-exposed skin areas, 81 genes were up-regulated independent from the clinical response. In skin areas exposed to 0.2 μg/cm2, 101 immune-related genes were differentially expressed, even when no clinical response was observed. Healthy controls showed up-regulation of three genes in response to nickel re-exposures without any clinical reactions. CONCLUSION Immune activation can be induced in skin with local memory to nickel upon challenge with nickel doses within the regulatory limits. Our findings suggest that the regulatory limits in the European nickel regulation may not provide sufficient protection for consumers against low-dose exposures.
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Affiliation(s)
- Michael Wennervaldt
- Department of Dermatology and Allergy, National Allergy Research Centre, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
| | - Helen Vaher
- Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, The LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark
| | - Malin G Ahlström
- Department of Dermatology and Allergy, National Allergy Research Centre, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
| | - Nuno Bischofberger
- Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, The LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark
| | - Torkil Menné
- Department of Dermatology and Allergy, National Allergy Research Centre, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
| | - Jacob P Thyssen
- Department of Dermatology and Allergy, National Allergy Research Centre, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
| | - Jeanne D Johansen
- Department of Dermatology and Allergy, National Allergy Research Centre, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
| | - Charlotte M Bonefeld
- Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, The LEO Foundation Skin Immunology Research Center, University of Copenhagen, Copenhagen, Denmark
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3
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Meisser SS, Mitamura Y, Altunbulakli C, Bandier J, Opstrup MS, Gadsbøll ASØ, Li M, Tan G, Akdis M, Akdis CA, Geisler C, Johansen JD, Bonefeld CM. Regulation of immune response genes in the skin of allergic and clinically tolerant individuals exposed to p-phenylenediamine. Allergy 2024; 79:1291-1305. [PMID: 38263750 DOI: 10.1111/all.16031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 12/10/2023] [Accepted: 01/10/2024] [Indexed: 01/25/2024]
Abstract
BACKGROUND p-Phenylenediamine (PPD) is a potent contact allergen found in many hair colour products. However, not all individuals develop allergic contact dermatitis (ACD) although they are regularly exposed to PPD. It is unclear whether these asymptomatic individuals are true non-responders to PPD or whether they mount a response to PPD without showing any symptoms. METHODS Skin biopsies were collected from 11 asymptomatic hairdressers regularly exposed to PPD and from 10 individuals with known ACD on day 4 after patch testing with 1% PPD in petrolatum and petrolatum exclusively as control. RNA sequencing and confocal microscopy were performed. RESULTS T cell activation, inflammation and apoptosis pathways were up-regulated by PPD in both asymptomatic and allergic individuals. Compared to asymptomatic individuals with a negative patch test, individuals with a strong reaction to PPD strongly up-regulated both pro- and anti-inflammatory cytokines genes. Interestingly, PPD treatment induced significant up-regulation of several genes for chemokines, classical type 2 dendritic cell markers and regulatory T cell markers in both asymptomatic and allergic individuals. In addition, apoptosis signalling pathway was activated in both non-responders and allergic individuals. CONCLUSION This study demonstrates that there are no true non-responders to PPD but that the immune response elicited by PPD differs between individuals and can lead to either tolerance, subclinical inflammation or allergy.
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Affiliation(s)
- Sanne S Meisser
- National Allergy Research Centre, Department of Dermato-Allergology, Copenhagen University Hospital Gentofte, Hellerup, Denmark
- The LEO Foundation Skin Immunology Research Center, Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Zurich, Switzerland
| | - Yasutaka Mitamura
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Zurich, Switzerland
| | - Can Altunbulakli
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Zurich, Switzerland
| | - Josefine Bandier
- National Allergy Research Centre, Department of Dermato-Allergology, Copenhagen University Hospital Gentofte, Hellerup, Denmark
| | - Morten S Opstrup
- National Allergy Research Centre, Department of Dermato-Allergology, Copenhagen University Hospital Gentofte, Hellerup, Denmark
| | - Anne-Sofie Ø Gadsbøll
- The LEO Foundation Skin Immunology Research Center, Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Manru Li
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Zurich, Switzerland
| | - Ge Tan
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Zurich, Switzerland
| | - Mubeccel Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Zurich, Switzerland
| | - Cezmi A Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, Zurich, Switzerland
- Christine Kühne- Center for Allergy Research and Education (CK-CARE), Davos, Switzerland
| | - Carsten Geisler
- The LEO Foundation Skin Immunology Research Center, Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Jeanne D Johansen
- National Allergy Research Centre, Department of Dermato-Allergology, Copenhagen University Hospital Gentofte, Hellerup, Denmark
| | - Charlotte M Bonefeld
- The LEO Foundation Skin Immunology Research Center, Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
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Wang C, Shang H, Zhang S, Wang X, Liu D, Shen M, Li N, Jiang Y, Wei K, Zhu R. Hexavalent chromium disrupts the skin barrier by targeting ROS-mediated mitochondrial pathway apoptosis in keratinocytes. Chem Biol Interact 2023; 379:110523. [PMID: 37146930 DOI: 10.1016/j.cbi.2023.110523] [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: 03/02/2023] [Revised: 04/21/2023] [Accepted: 05/02/2023] [Indexed: 05/07/2023]
Abstract
Hexavalent chromium (Cr(VI)), a toxic heavy metal, is ubiquitous in daily life. Exposure to this toxic substance in occupational settings can cause dermatitis and cancer. As the body's largest organ, the skin plays a crucial role in protecting the organism against external aggressions. While previous studies have focused on the effects of Cr(VI) on skin inflammation, this study investigates the potential toxicity of Cr(VI) from the skin barrier and integrity perspective. The in vivo results of this study showed that mice exposed to Cr(VI) experienced skin deterioration and hemorrhaging, as well as a reduction in the thickness of the collagen fiber layer. TUNEL and Occludin staining results revealed that Cr(VI)'s toxicity primarily targeted keratinocytes. Experiments in vitro demonstrated that Cr(VI) treatment decreased the activity of HaCaT cells, altered cell morphology, and increased LDH secretion. Further research revealed that Cr(VI) could modify membrane permeability, impair membrane integrity, and reduce the protein expression of ZO-1 and Occludin. In addition, it was discovered that Cr(VI) promoted cell apoptosis and inhibited AKT activation. However, the addition of a caspase inhibitor and an AKT activator prevented Cr(VI)-induced injury to the cell membrane barrier, indicating that apoptosis plays a crucial role in this process. The addition of three apoptotic pathway inhibitors, confirmed that Cr(VI) damaged the cell barrier through ROS-mediated mitochondrial pathway apoptosis. Moreover, the use of a ROS inhibitor significantly reduced Cr(VI)-induced apoptosis and cell barrier injury. In conclusion, this study provides an experimental foundation for the treatment of skin injury caused by Cr(VI).
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Affiliation(s)
- Cheng Wang
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Taian, China
| | - Hongqi Shang
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Taian, China
| | - Shuyu Zhang
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Taian, China
| | - Xiangkun Wang
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Taian, China
| | - Defeng Liu
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Taian, China
| | - Mingyue Shen
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Taian, China
| | - Ning Li
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Taian, China
| | - Yunxuan Jiang
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Taian, China
| | - Kai Wei
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Taian, China.
| | - Ruiliang Zhu
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, Taian, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, Taian, China.
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5
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Midander K, Werner P, Isaksson M, Wisgrill L, Lidén C, Fyhrquist N, Julander A. Cobalt nanoparticles cause allergic contact dermatitis in humans. Br J Dermatol 2023; 188:278-287. [PMID: 36637098 DOI: 10.1093/bjd/ljac043] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 09/19/2022] [Accepted: 09/30/2022] [Indexed: 01/14/2023]
Abstract
BACKGROUND Cobalt (Co) causes allergic contact dermatitis (ACD) and the emerging use of Co nanoparticles (CoNPs) warrants gaining further insight into its potential to elicit ACD in sensitized individuals. OBJECTIVES The aims of the study were to clarify to what extent CoNPs may elicit ACD responses in participants with Co contact allergy, and to evaluate whether the nanoparticles cause a distinct immune response compared with cobalt chloride (CoCl2) in the skin reactions. METHODS Fourteen individuals with Co contact allergy were exposed to CoNPs, CoCl2, a Co-containing hard-metal disc (positive control), and an empty test chamber (negative control) by patch testing. Allergic responses were evaluated clinically by a dermatologist at Days 2, 4 and 7. At Day 2, patch-test chambers were removed, and remaining test-substance and skin-wipe samples were collected for inductive-coupled plasma mass spectrometry (ICP-MS) analysis. Additionally, skin biopsies were taken from patch-test reactions at Day 4 for quantitative real-time polymerase chain reaction analysis, histopathology and ICP-MS analysis of Co skin penetration. RESULTS Patch testing with CoNPs elicited allergic reactions in Co-sensitized individuals. At all timepoints, clinical assessment revealed significantly lower frequencies of positive patch-test reactions to CoNPs compared with CoCl2 or to the positive control. CoNPs elicited comparable immune responses to CoCl2. Chemical analysis of Co residues in patch-test filters, and on skin, shows lower doses for CoNPs compared with CoCl2. CONCLUSIONS CoNPs potently elicit immune responses in Co-sensitized individuals. Even though patch testing with CoNPs resulted in a lower skin dose than CoCl2, identical immunological profiles were present. Further research is needed to identify the potential harm of CoNPs to human health.
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Affiliation(s)
- Klara Midander
- IVL Swedish Environmental Research Institute, Stockholm, Sweden.,Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Paulina Werner
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Marléne Isaksson
- Lund University, Department of Occupational and Environmental Dermatology, Skane University Hospital Malmö, Malmö, Sweden
| | - Lukas Wisgrill
- Division of Neonatology, Pediatric Intensive Care and Neuropediatrics, Department of Pediatrics and Adolescent Medicine, Comprehensive Center for Pediatrics, Medical University of Vienna, 1090 Vienna, Austria
| | - Carola Lidén
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Nanna Fyhrquist
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Anneli Julander
- IVL Swedish Environmental Research Institute, Stockholm, Sweden.,Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
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Yuehui Z, Hosoki M, Oshima M, Tajima T, Miyagi M, Raman S, Raju R, Matsuka Y. Identification of microRNA Signatures in Peripheral Blood of Young Women as Potential Biomarkers for Metal Allergy. Biomedicines 2023; 11:biomedicines11020277. [PMID: 36830814 PMCID: PMC9953729 DOI: 10.3390/biomedicines11020277] [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: 01/06/2023] [Accepted: 01/09/2023] [Indexed: 01/20/2023] Open
Abstract
MicroRNA (miRNA) is a short (19-24 nucleotide) endogenous non-protein RNA that exists in the body and controls the translation process from genes to proteins. It has become useful as a diagnostic tool and a potential treatment target in cancer research. To explore the function of miRNA in contact dermatitis, female participants with a positive metal allergy diagnosis (n = 3) were enrolled along with additional female participants with no medical history of metal allergy (n = 3). A patch test was performed on each participant. Peripheral blood was collected from all the participants before the patch test and at days 3 and 7 after starting the patch test. After total RNA was obtained from peripheral blood leukocytes and cDNA was generated, microarray analysis was performed to analyze the large-scale circulating miRNA profile. Real-time polymerase chain reaction (RT-PCR) was then used to clarify the overall target miRNA expression. Downregulation of hsa-let-7d-5p, hsa-miR-24-3p, hsa-miR-23b-3p, hsa-miR-26b-5p, and hsa-miR-150-5p was found on day 7. Certain miRNAs were confirmed using RT-PCR. These peripheral blood miRNAs could be diagnostic biomarkers for metal allergies.
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Affiliation(s)
- Zhang Yuehui
- Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, Tokushima 7708504, Japan
| | - Maki Hosoki
- Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, Tokushima 7708504, Japan
| | - Masamitsu Oshima
- Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, Tokushima 7708504, Japan
| | - Toyoko Tajima
- Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, Tokushima 7708504, Japan
| | - Mayu Miyagi
- Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, Tokushima 7708504, Japan
| | - Swarnalakshmi Raman
- Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, Tokushima 7708504, Japan
| | - Resmi Raju
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Yoshizo Matsuka
- Department of Stomatognathic Function and Occlusal Reconstruction, Graduate School of Biomedical Sciences, Tokushima University, Tokushima 7708504, Japan
- Correspondence:
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7
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Pavel AB, Del Duca E, Cheng J, Wu J, Ungar B, Estrada YD, Jack C, Maari C, Proulx ÉSC, Ramirez-Valle F, Krueger JG, Bissonnette R, Guttman-Yassky E. Delayed type hypersensitivity reactions to various allergens may differently model inflammatory skin diseases. Allergy 2023; 78:178-191. [PMID: 36178084 DOI: 10.1111/all.15538] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 08/22/2022] [Accepted: 09/08/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND Treatment of inflammatory skin diseases, including atopic dermatitis (AD) and psoriasis, is undergoing transformative changes, highlighting the need to develop experimental models of skin inflammation in humans to predict treatment responses. METHODS We topically or intradermally administered four common sensitizers (dust mite (DM), diphencyprone (DPCP), nickel (Ni), and purified protein derivative (PPD)) to the backs of 40 healthy patients and the skin hypersensitivity response was biopsied and evaluated using immunohistochemistry, RNA-seq, and RT-PCR. RESULTS All agents induced strong increases in cellular infiltrates (T-cells and dendritic cells) as compared to untreated skin (p < .05), with variable T helper polarization. Overall, DPCP induced the strongest immune responses across all pathways, including innate immunity (IL-1α, IL-8), Th1 (IFNγ, CXCL10), Th2 (IL-5, CCL11), and Th17 (CAMP/LL37) products, as well as the highest regulatory tone (FOXP3, IL-34, IL-37) (FDR <0.01). Nickel induced Th17 (IL-17A), Th1 (CXCL10) and Th2 (IL-4R) immune responses to a lesser extent than DPCP (p < .05). PPD induced predominantly Th1 (IFNγ, CXCL10, STAT1) and Th17 inflammation (IL-17A) (p < .05). DM induced modulation of Th2 (IL-13, CCL17, CCL18), Th22 (IL-22), and Th17/Th22 (S100A7/9/12) pathways (p < .05). Barrier defects that characterize both AD and psoriasis were best modeled by DPCP and Ni, followed by PPD, including downregulation of terminal differentiation (FLG, FLG2, LOR, LCEs), tight junction (CLDN1/CLDN8), and lipid metabolism (FA2H, FABP7)-related markers. CONCLUSION Our data imply that DPCP induced the strongest immune response across all pathways, and barrier defects characteristic of AD and psoriasis.
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Affiliation(s)
- Ana B Pavel
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Ester Del Duca
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, New York, USA.,Department of Dermatology, University of Magna Graecia, Catanzaro, Italy
| | - Julia Cheng
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Jianni Wu
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Benjamin Ungar
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Yeriel D Estrada
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Carolyn Jack
- Innovaderm Research Inc, Montreal, Quebec, Canada
| | | | | | | | - James G Krueger
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, New York, USA
| | | | - Emma Guttman-Yassky
- Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, New York, USA.,Laboratory for Investigative Dermatology, The Rockefeller University, New York, New York, USA
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8
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Gallais Sérézal I, Tajpara P, Schonfeldt T, Ignatov B, Sortebech D, Hoffer E, Zhang T, Rooijackers E, Ehrström M, Nylén S, Matura M, Melican K, Eidsmo L. T cells in resolved allergic contact dermatitis steer tissue inflammation and MMP-12-driven tissue modulation. Allergy 2022; 77:3680-3683. [PMID: 35984563 PMCID: PMC10086995 DOI: 10.1111/all.15484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 07/18/2022] [Accepted: 08/13/2022] [Indexed: 01/28/2023]
Affiliation(s)
- Irène Gallais Sérézal
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,PO Rheumatology/Dermatology/Gastroenterology, Karolinska University Hospital, Stockholm, Sweden.,INSERM UMR 1098, Besançon, France
| | - Poojabahen Tajpara
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,PO Rheumatology/Dermatology/Gastroenterology, Karolinska University Hospital, Stockholm, Sweden
| | - Trine Schonfeldt
- Leo Foundation Skin Immunology Center, Department of Microbiology and Immunology, Copenhagen University, Copenhagen, Denmark
| | - Borislav Ignatov
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,Leo Foundation Skin Immunology Center, Department of Microbiology and Immunology, Copenhagen University, Copenhagen, Denmark
| | - Daniel Sortebech
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,Leo Foundation Skin Immunology Center, Department of Microbiology and Immunology, Copenhagen University, Copenhagen, Denmark
| | - Elena Hoffer
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,Leo Foundation Skin Immunology Center, Department of Microbiology and Immunology, Copenhagen University, Copenhagen, Denmark
| | - Tianqi Zhang
- Department of Neuroscience, Karolinska Institutet, Solna, Sweden.,AIMES-Center for the Advancement of Integrated Medical and Engineering Sciences, Karolinska Institutet and KTH Royal Institute of Technology, Stockholm, Sweden
| | - Elin Rooijackers
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Marcus Ehrström
- Department of Reconstructive Plastic Surgery, Karolinska University Hospital Solna, Stockholm, Sweden.,Nordiska Kliniken, Stockholm, Sweden
| | - Susanne Nylén
- Department of Microbiology, Tumour and Cell Biology, Karolinska Institutet, Solna, Sweden
| | - Míhaly Matura
- Department of Dermatology, Skaraborgs sjukhus Skövde, Skövde, Sweden
| | - Keira Melican
- Department of Neuroscience, Karolinska Institutet, Solna, Sweden.,AIMES-Center for the Advancement of Integrated Medical and Engineering Sciences, Karolinska Institutet and KTH Royal Institute of Technology, Stockholm, Sweden
| | - Liv Eidsmo
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,PO Rheumatology/Dermatology/Gastroenterology, Karolinska University Hospital, Stockholm, Sweden.,Leo Foundation Skin Immunology Center, Department of Microbiology and Immunology, Copenhagen University, Copenhagen, Denmark
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9
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Metal Allergy: State-of-the-Art Mechanisms, Biomarkers, Hypersensitivity to Implants. J Clin Med 2022; 11:jcm11236971. [PMID: 36498546 PMCID: PMC9739320 DOI: 10.3390/jcm11236971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/22/2022] [Accepted: 11/24/2022] [Indexed: 11/29/2022] Open
Abstract
Metal allergy is mainly an environmental disorder which can cause allergic contact dermatitis. Environmental metal exposures include jewelry, everyday metal items, mobile phones, leather, metal-rich food and implants, including stents or anchors. While consumer exposure is liable for the majority of metal hypersensitivity cases, the significance of occupational exposure to metals remains relevant. Although the most common metal allergens are nickel, chromium, and cobalt; however, lately, gold, palladium, titanium, and some others have also attracted attention. This review highlights advances in metal allergy mechanisms, biomarkers for potential patients' stratification as well as biological treatments. The most recent evidence of human exposure to metal for risk assessment is discussed, as well as the relationship between the occurrence of metal hypersensitivity and implanted devices, including non-characteristic symptoms. The latest data on the diagnosis of metal hypersensitivity are also reported.
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Serra A, Saarimäki LA, Pavel A, del Giudice G, Fratello M, Cattelani L, Federico A, Laurino O, Marwah VS, Fortino V, Scala G, Sofia Kinaret PA, Greco D. Nextcast: A software suite to analyse and model toxicogenomics data. Comput Struct Biotechnol J 2022; 20:1413-1426. [PMID: 35386103 PMCID: PMC8956870 DOI: 10.1016/j.csbj.2022.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 03/16/2022] [Accepted: 03/16/2022] [Indexed: 11/28/2022] Open
Abstract
The recent advancements in toxicogenomics have led to the availability of large omics data sets, representing the starting point for studying the exposure mechanism of action and identifying candidate biomarkers for toxicity prediction. The current lack of standard methods in data generation and analysis hampers the full exploitation of toxicogenomics-based evidence in regulatory risk assessment. Moreover, the pipelines for the preprocessing and downstream analyses of toxicogenomic data sets can be quite challenging to implement. During the years, we have developed a number of software packages to address specific questions related to multiple steps of toxicogenomics data analysis and modelling. In this review we present the Nextcast software collection and discuss how its individual tools can be combined into efficient pipelines to answer specific biological questions. Nextcast components are of great support to the scientific community for analysing and interpreting large data sets for the toxicity evaluation of compounds in an unbiased, straightforward, and reliable manner. The Nextcast software suite is available at: ( https://github.com/fhaive/nextcast).
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Affiliation(s)
- Angela Serra
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- BioMediTech Institute, Tampere University, Tampere University, Tampere, Finland
- Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), Tampere, Finland
| | - Laura Aliisa Saarimäki
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- BioMediTech Institute, Tampere University, Tampere University, Tampere, Finland
- Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), Tampere, Finland
| | - Alisa Pavel
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- BioMediTech Institute, Tampere University, Tampere University, Tampere, Finland
- Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), Tampere, Finland
| | - Giusy del Giudice
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- BioMediTech Institute, Tampere University, Tampere University, Tampere, Finland
- Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), Tampere, Finland
| | - Michele Fratello
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- BioMediTech Institute, Tampere University, Tampere University, Tampere, Finland
- Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), Tampere, Finland
| | - Luca Cattelani
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- BioMediTech Institute, Tampere University, Tampere University, Tampere, Finland
- Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), Tampere, Finland
| | - Antonio Federico
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- BioMediTech Institute, Tampere University, Tampere University, Tampere, Finland
- Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), Tampere, Finland
| | | | - Veer Singh Marwah
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- BioMediTech Institute, Tampere University, Tampere University, Tampere, Finland
| | - Vittorio Fortino
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - Giovanni Scala
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- BioMediTech Institute, Tampere University, Tampere University, Tampere, Finland
- Department of Biology, University of Naples Federico II, Naples, Italy
| | - Pia Anneli Sofia Kinaret
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- BioMediTech Institute, Tampere University, Tampere University, Tampere, Finland
- Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), Tampere, Finland
- Institute of Biotechnology, University of Helsinki, Helsinki, Finland
| | - Dario Greco
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- BioMediTech Institute, Tampere University, Tampere University, Tampere, Finland
- Finnish Hub for Development and Validation of Integrated Approaches (FHAIVE), Tampere, Finland
- Institute of Biotechnology, University of Helsinki, Helsinki, Finland
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Experimental Investigation of the Biofunctional Properties of Nickel-Titanium Alloys Depending on the Type of Production. Molecules 2022; 27:molecules27061960. [PMID: 35335323 PMCID: PMC8955206 DOI: 10.3390/molecules27061960] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 03/10/2022] [Accepted: 03/15/2022] [Indexed: 02/05/2023] Open
Abstract
Nickel–titanium alloys used in dentistry have a variety of mechanical, chemical, and biofunctional properties that are dependent on the manufacturing process. The aim of this study was to compare the mechanical and biofunctional performances of a nickel–titanium alloy produced by the continuous casting method (NiTi-2) with commercial nitinol (NiTi-1) manufactured by the classical process, i.e., from remelting in a vacuum furnace with electro-resistive heating and final casting into ingots. The chemical composition of the tested samples was analyzed using an energy dispersive X-ray analysis (EDX) and X-ray fluorescence (XRF). Electron backscatter diffraction (EBSD) quantitative microstructural analysis was performed to determine phase distribution in the samples. As part of the mechanical properties, the hardness on the surface of samples was measured with the static Vickers method. The release of metal ions (Ni, Ti) in artificial saliva (pH 6.5) and lactic acid (pH 2.3) was measured using a static immersion test. Finally, the resulting corrosion layer was revealed by means of a scanning electron microscope (SEM), which allows the detection and direct measurement of the formatted oxide layer thickness. To assess the biocompatibility of the tested nickel–titanium alloy samples, an MTT test of fibroblast cellular proliferation on direct contact with the samples was performed. The obtained data were analyzed with the IBM SPSS Statistics v22 software. EDX and XRF analyses showed a higher presence of Ni in the NiTi-2 sample. The EBSD analysis detected an additional NiTi2-cubic phase in the NiTi-2 microstructure. Additionally, in the NiTi-2 higher hardness was measured. An immersion test performed in artificial saliva after 7 days did not induce significant ion release in either group of samples (NiTi-1 and NiTi-2). The acidic environment significantly increased the release of toxic ions in both types of samples. However, Ni ion release was two times lower, and Ti ion release was three times lower from NiTi-2 than from NiTi-1. Comparison of the cells’ mitochondrial activity between the NiTi-1 and NiTi-2 groups did not show a statistically significant difference. In conclusion, we obtained an alloy of small diameter with an appropriate microstructure and better response compared to classic NiTi material. Thus, it appears from the present study that the continuous cast technology offers new possibilities for the production of NiTi material for usage in dentistry.
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Johansen JD, Bonefeld CM, Schwensen JFB, Thyssen JP, Uter W. Novel insights into contact dermatitis. J Allergy Clin Immunol 2022; 149:1162-1171. [PMID: 35183605 DOI: 10.1016/j.jaci.2022.02.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 02/04/2022] [Accepted: 02/11/2022] [Indexed: 11/30/2022]
Abstract
Contact dermatitis is a common disease, caused by repeated skin contact to contact allergens or irritants, resulting in allergic contact dermatitis (ACD) and/or irritant contact dermatitis. Attempts have been made to identify biomarkers to distinguish irritant and allergic patch test reactions, which could aid diagnosis. Some promising candidates have recently been identified, but verification and validation in clinical cases still need to be done. New causes of ACD are constantly recognized. In this review, 10 new contact allergens from recent years, were identified, several relating to anti-age products. Frequent allergens causing considerable morbidity in the population such as the preservative methylisothiazolinone (MI) have been regulated in EU. A significant drop in cases has been seen, while high rates are still occurring in other areas such as North America. Other frequent causes are fragrance allergens especially widely used terpenes and acrylates used in medical devises for control of diabetes. These represent unsolved problems. Recent advances in immunology have opened for a better understanding of the complexity of contact dermatitis, especially ACD. The disease may be more heterogenous that previous understood with several subtypes. With the rapidly evolving molecular understanding of the disease, the potential for development of new drugs for personalized treatment of contact dermatitis is considerable.
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Affiliation(s)
- J D Johansen
- National Allergy Research Centre, Department of Skin and Allergy. Gentofte Hospital University of Copenhagen, 2900 Hellerup, Denmark.
| | - C M Bonefeld
- The LEO Foundation Skin Immunology Research Center, Department of Immunology & Microbiology, University of Copenhagen, Blegdamsvej 3B, 2200 Copenhagen N, Denmark
| | - J F B Schwensen
- National Allergy Research Centre, Department of Skin and Allergy. Gentofte Hospital University of Copenhagen, 2900 Hellerup, Denmark
| | - J P Thyssen
- National Allergy Research Centre, Department of Skin and Allergy. Gentofte Hospital University of Copenhagen, 2900 Hellerup, Denmark
| | - W Uter
- Dept. of Medical Informatics, Biometry and Epidemiology, Univ. Erlangen / Nürnberg; Waldstr. 6 91054 Erlangen, GERMANY
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OUP accepted manuscript. Metallomics 2022; 14:6515965. [DOI: 10.1093/mtomcs/mfac002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 01/14/2022] [Indexed: 11/14/2022]
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14
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Lefevre M, Nosbaum A, Rozieres A, Lenief V, Mosnier A, Cortial A, Prieux M, De Bernard S, Nourikyan J, Jouve P, Buffat L, Hacard F, Ferrier‐Lebouedec M, Pralong P, Dzviga C, Herman A, Baeck M, Nicolas J, Vocanson M. Unique molecular signatures typify skin inflammation induced by chemical allergens and irritants. Allergy 2021; 76:3697-3712. [PMID: 34174113 DOI: 10.1111/all.14989] [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: 03/25/2021] [Revised: 05/26/2021] [Accepted: 06/09/2021] [Indexed: 12/19/2022]
Abstract
BACKGROUND Skin exposure to chemicals may induce an inflammatory disease known as contact dermatitis (CD). Distinguishing the allergic and irritant forms of CD often proves challenging in the clinic. METHODS To characterize the molecular signatures of chemical-induced skin inflammation, we conducted a comprehensive transcriptomic analysis on the skin lesions of 47 patients with positive patch tests to reference contact allergens and nonallergenic irritants. RESULTS A clear segregation was observed between allergen- and irritant-induced gene profiles. Distinct modules pertaining to the epidermal compartment, metabolism, and proliferation were induced by both contact allergens and irritants; whereas only contact allergens prompted strong activation of adaptive immunity, notably of cytotoxic T-cell responses. Our results also confirmed that: (a) unique pathways characterize allergen- and irritant-induced dermatitis; (b) the intensity of the clinical reaction correlates with the magnitude of immune activation. Finally, using a machine-learning approach, we identified and validated several minimal combinations of biomarkers to distinguish contact allergy from irritation. CONCLUSION These results highlight the value of molecular profiling of chemical-induced skin inflammation for improving the diagnosis of allergic versus irritant contact dermatitis.
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Affiliation(s)
- Marine‐Alexia Lefevre
- CIRI, Centre International de Recherche en Infectiologie, (Team Epidermal Immunity and Allergy) INSERM, U1111 Univ LyonUniversité de Lyon 1Ecole Normale Supérieure de LyonCNRS, UMR 5308 Lyon France
- Department of Dermatology and Allergology Centre Hospitalier Universitaire de Saint‐Etienne Saint‐Priest‐en‐Jarez France
| | - Audrey Nosbaum
- CIRI, Centre International de Recherche en Infectiologie, (Team Epidermal Immunity and Allergy) INSERM, U1111 Univ LyonUniversité de Lyon 1Ecole Normale Supérieure de LyonCNRS, UMR 5308 Lyon France
- Department of Allergy and Clinical Immunology Centre Hospitalier Lyon‐Sud Pierre‐Benite France
| | - Aurore Rozieres
- CIRI, Centre International de Recherche en Infectiologie, (Team Epidermal Immunity and Allergy) INSERM, U1111 Univ LyonUniversité de Lyon 1Ecole Normale Supérieure de LyonCNRS, UMR 5308 Lyon France
| | - Vanina Lenief
- CIRI, Centre International de Recherche en Infectiologie, (Team Epidermal Immunity and Allergy) INSERM, U1111 Univ LyonUniversité de Lyon 1Ecole Normale Supérieure de LyonCNRS, UMR 5308 Lyon France
| | - Amandine Mosnier
- CIRI, Centre International de Recherche en Infectiologie, (Team Epidermal Immunity and Allergy) INSERM, U1111 Univ LyonUniversité de Lyon 1Ecole Normale Supérieure de LyonCNRS, UMR 5308 Lyon France
| | - Angèle Cortial
- CIRI, Centre International de Recherche en Infectiologie, (Team Epidermal Immunity and Allergy) INSERM, U1111 Univ LyonUniversité de Lyon 1Ecole Normale Supérieure de LyonCNRS, UMR 5308 Lyon France
| | - Margaux Prieux
- CIRI, Centre International de Recherche en Infectiologie, (Team Epidermal Immunity and Allergy) INSERM, U1111 Univ LyonUniversité de Lyon 1Ecole Normale Supérieure de LyonCNRS, UMR 5308 Lyon France
| | | | | | | | | | - Florence Hacard
- Department of Allergy and Clinical Immunology Centre Hospitalier Lyon‐Sud Pierre‐Benite France
| | | | - Pauline Pralong
- Department of Dermatology, Allergology and Photobiology Centre Hospitalier Universitaire Grenoble Alpes La Tronche France
| | - Charles Dzviga
- Department of Dermatology and Allergology Centre Hospitalier Universitaire de Saint‐Etienne Saint‐Priest‐en‐Jarez France
| | - Anne Herman
- Department of Dermatology Cliniques universitaires Saint‐Luc Université Catholique de Louvain Brussels Belgium
| | - Marie Baeck
- Department of Dermatology Cliniques universitaires Saint‐Luc Université Catholique de Louvain Brussels Belgium
| | - Jean‐François Nicolas
- CIRI, Centre International de Recherche en Infectiologie, (Team Epidermal Immunity and Allergy) INSERM, U1111 Univ LyonUniversité de Lyon 1Ecole Normale Supérieure de LyonCNRS, UMR 5308 Lyon France
- Department of Allergy and Clinical Immunology Centre Hospitalier Lyon‐Sud Pierre‐Benite France
| | - Marc Vocanson
- CIRI, Centre International de Recherche en Infectiologie, (Team Epidermal Immunity and Allergy) INSERM, U1111 Univ LyonUniversité de Lyon 1Ecole Normale Supérieure de LyonCNRS, UMR 5308 Lyon France
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Wisgrill L, Werner P, Jalonen E, Berger A, Lauerma A, Alenius H, Fyhrquist N. Integrative transcriptome analysis deciphers mechanisms of nickel contact dermatitis. Allergy 2021; 76:804-815. [PMID: 32706929 PMCID: PMC7984291 DOI: 10.1111/all.14519] [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] [Received: 01/10/2020] [Revised: 05/29/2020] [Accepted: 06/08/2020] [Indexed: 01/02/2023]
Abstract
Background Nickel‐induced allergic contact dermatitis (nACD) remains a major occupational skin disorder, significantly impacting the quality of life of suffering patients. Complex cellular compositional changes and associated immunological pathways are partly resolved in humans; thus, the impact of nACD on human skin needs to be further elucidated. Methods To decipher involved immunological players and pathways, human skin biopsies were taken at 0, 2, 48, and 96 hours after nickel patch test in six nickel‐allergic patients. Gene expression profiles were analyzed via microarray. Results Leukocyte deconvolution of nACD‐affected skin identified major leukocyte compositional changes at 48 and 96 hours, including natural killer (NK) cells, macrophage polarization, and T‐cell immunity. Gene set enrichment analysis mirrored cellular‐linked functional pathways enriched over time. NK cell infiltration and cytotoxic pathways were uniquely found in nACD‐affected skin compared to sodium lauryl sulfate–induced irritant skin reactions. Conclusion These results highlight key immunological leukocyte subsets as well as associated pathways in nACD, providing insights into pathophysiology with the potential to unravel novel therapeutic targets.
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Affiliation(s)
- Lukas Wisgrill
- Division of Neonatology Pediatric Intensive Care and Neuropediatrics Comprehensive Center for Pediatrics Medical University of Vienna Vienna Austria
- Institute of Environmental Medicine Karolinska Institutet Stockholm Sweden
| | - Paulina Werner
- Institute of Environmental Medicine Karolinska Institutet Stockholm Sweden
| | - Erja Jalonen
- Skin and Allergy Hospital Helsinki University Hospital Helsinki Finland
| | - Angelika Berger
- Division of Neonatology Pediatric Intensive Care and Neuropediatrics Comprehensive Center for Pediatrics Medical University of Vienna Vienna Austria
| | - Antti Lauerma
- Skin and Allergy Hospital Helsinki University Hospital Helsinki Finland
| | - Harri Alenius
- Institute of Environmental Medicine Karolinska Institutet Stockholm Sweden
- Human Microbiome Program (HUMI) MedicumUniversity of Helsinki Helsinki Finland
| | - Nanna Fyhrquist
- Institute of Environmental Medicine Karolinska Institutet Stockholm Sweden
- Human Microbiome Program (HUMI) MedicumUniversity of Helsinki Helsinki Finland
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