1
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Zhang Y, Shang L, Roffel S, Spiekstra SW, Deng D, Gibbs S. Streptococcus mitis enhances metal-induced apoptosis in reconstructed human gingiva but not skin. Toxicol In Vitro 2024; 100:105913. [PMID: 39079590 DOI: 10.1016/j.tiv.2024.105913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 07/11/2024] [Accepted: 07/26/2024] [Indexed: 08/03/2024]
Abstract
BACKGROUND Commensal bacteria colonizing oral mucosa and skin play an essential role in maintaining host-microbiome homeostasis. It is unknown whether cytotoxicity resulting from metal ions leaching from medical devices may be influenced by commensal microbes. OBJECTIVE Determine whether the extent of apoptosis triggered by nickel or titanium ions is influenced by Streptococcus mitis and whether apoptosis occurs via the intrinsic or extrinsic apoptosis pathway. METHODS Reconstructed Human Gingiva (RHG) and Skin (RHS) were topically exposed to titanium or nickel salts in the presence or absence of S. mitis. Cytotoxicity and apoptosis were assessed by histology, immunohistochemistry, TUNEL assay, and Western Blot. RESULTS S. mitis alone resulted in negligible cytotoxicity. After metal exposure, localized apoptosis was observed in the epithelium and fibroblasts within the lamina propria hydrogel of both RHG and RHS. S. mitis enhanced metal-mediated apoptosis in gingiva but not in skin. Apoptosis was mediated via the extrinsic pathway caspase 8. Activation of the execution phase of apoptosis occurred via caspases 3 and 7, and PARP-1. CONCLUSION Our study supports the finding that metals have irritant, cytotoxic properties resulting in apoptosis when leaching into skin or gingiva. Particularly for gingiva, commensal microbes exaggerate this detrimental effect.
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Affiliation(s)
- Yan Zhang
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands; Department of Molecular Cell Biology and Immunology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands; Department of Orthodontic, Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou, China
| | - Lin Shang
- Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Sanne Roffel
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands; Department of Molecular Cell Biology and Immunology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Sander W Spiekstra
- Department of Molecular Cell Biology and Immunology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Dongmei Deng
- Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
| | - Susan Gibbs
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, Amsterdam, the Netherlands; Department of Molecular Cell Biology and Immunology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands.
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2
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Lee E, Kale A, Gaspari AA. Toll-Like Receptors and Contact Dermatitis. Dermatitis 2024. [PMID: 38778705 DOI: 10.1089/derm.2023.0311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
Contact dermatitis (CD) is a common cutaneous inflammatory condition that affects millions of people worldwide. Xenobiotic agents are frequently encountered in substances used in everyday life, making it difficult to avoid personal and occupational exposure. Toll-like receptors (TLRs) are transmembrane receptors that modulate the innate immune system in response to tissue injury or infection. TLRs play a key role in the pathophysiology of contact dermatitis. TLR signaling is involved in three major forms of CD: protein CD, allergic contact dermatitis (ACD), and irritant CD. Of the 10 TLRs found in humans, three play an important role in ACD. This makes TLRs a useful potential therapeutic target to consider against CD. In this review, we discuss the role of TLRs in CD and summarize current and emerging treatments for CD that target TLRs.
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Affiliation(s)
- Emily Lee
- From the Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Aditi Kale
- Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Anthony A Gaspari
- Department of Dermatology and Cutaneous Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
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3
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Esser PR, Huber M, Martin SF. Endoplasmic reticulum stress and the inflammatory response in allergic contact dermatitis. Eur J Immunol 2023; 53:e2249984. [PMID: 37016198 DOI: 10.1002/eji.202249984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 01/26/2023] [Accepted: 03/03/2023] [Indexed: 04/06/2023]
Abstract
Maintaining homeostasis is central to organismal health. Deviation is detected by a variety of sensors that react to alarm signals arising from injury, infection, and other inflammatory triggers. One important element of this alarm system is the innate immune system, which recognizes pathogen-/microbe- or damage-associated molecular patterns via pattern recognition receptors localized in the cytosol or in membranes of innate immune cells such as macrophages, dendritic cells, and mast cells but also of T cells, B cells, and epithelial cells. Activation of the innate immune system results in inflammation and is a pre-requisite for activation of the adaptive immune system. Another important element is represented by the unfolded protein response (UPR), a stress response of the endoplasmic reticulum. The UPR regulates proteostasis and also contributes to the course of inflammatory diseases such as cancer, diabetes, obesity, and neurodegenerative diseases. In addition, the UPR is instrumental in allergic contact dermatitis. This inflammatory skin disease, affecting 5-10% of the population, is caused by T cells recognizing low-molecular weight organic chemicals and metal ions. In this mini-review, we discuss the orchestration of inflammatory responses by the interplay of the innate immune system with cellular stress responses in allergic contact dermatitis, with a focus on the UPR.
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Affiliation(s)
- Philipp R Esser
- Allergy Research Group, Department of Dermatology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Michael Huber
- Institute of Biochemistry and Molecular Immunology, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Stefan F Martin
- Allergy Research Group, Department of Dermatology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
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4
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Wenger M, Grosse-Kathoefer S, Kraiem A, Pelamatti E, Nunes N, Pointner L, Aglas L. When the allergy alarm bells toll: The role of Toll-like receptors in allergic diseases and treatment. Front Mol Biosci 2023; 10:1204025. [PMID: 37426425 PMCID: PMC10325731 DOI: 10.3389/fmolb.2023.1204025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 06/08/2023] [Indexed: 07/11/2023] Open
Abstract
Toll-like receptors of the human immune system are specialized pathogen detectors able to link innate and adaptive immune responses. TLR ligands include among others bacteria-, mycoplasma- or virus-derived compounds such as lipids, lipo- and glycoproteins and nucleic acids. Not only are genetic variations in TLR-related genes associated with the pathogenesis of allergic diseases, including asthma and allergic rhinitis, their expression also differs between allergic and non-allergic individuals. Due to a complex interplay of genes, environmental factors, and allergen sources the interpretation of TLRs involved in immunoglobulin E-mediated diseases remains challenging. Therefore, it is imperative to dissect the role of TLRs in allergies. In this review, we discuss i) the expression of TLRs in organs and cell types involved in the allergic immune response, ii) their involvement in modulating allergy-associated or -protective immune responses, and iii) how differential activation of TLRs by environmental factors, such as microbial, viral or air pollutant exposure, results in allergy development. However, we focus on iv) allergen sources interacting with TLRs, and v) how targeting TLRs could be employed in novel therapeutic strategies. Understanding the contributions of TLRs to allergy development allow the identification of knowledge gaps, provide guidance for ongoing research efforts, and built the foundation for future exploitation of TLRs in vaccine design.
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5
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Chamani S, Mobasheri L, Rostami Z, Zare I, Naghizadeh A, Mostafavi E. Heavy metals in contact dermatitis: A review. J Trace Elem Med Biol 2023; 79:127240. [PMID: 37331278 DOI: 10.1016/j.jtemb.2023.127240] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 06/01/2023] [Accepted: 06/06/2023] [Indexed: 06/20/2023]
Abstract
Contact dermatitis is an inflammatory skin reaction caused by direct contact with chemical substances in the environment and can either be irritant or allergic in nature. The clinical symptoms of contact dermatitis, include local skin rash, itching, redness, swelling, and lesions. Nowadays, 15-20% of people have some degree of contact dermatitis, which can be more or less severe. Immune responses in allergic contact dermatitis (ACD) are due to the effects of cytokines and allergen-specific CD4+ and CD8+ T cells on the skin. Acids and alkalis such as drain cleaners, plants such as poinsettias, hair colors, and nail polish remover, are all prominent causes of irritant contact dermatitis (ICDs). Heavy metals are metallic elements with a high atomic weight that are hazardous in low quantities and are known to cause dermatitis after systemic or local exposure. Nickel (Ni), chromium (Cr), lead (Pb), and copper (Cu) are among the most common heavy metals used in various industries. Metal allergies may cause ACD and also systemic contact dermatitis (SCD). Contact dermatitis is detected by laboratory tests such as patch testing, lymphocyte stimulation test (LST), and evaluation of cytokine production by primary cultures of peripheral blood mononuclear cells. This article presents an update on the epidemiological and clinical characteristics of ACD and SCD caused by three heavy metals (Cr, Cu, and Pb). Ni is not discussed due to recent coverage. Furthermore, the effects of contact sensitivity to some other heavy metals, such as gold (Au), cobalt (Co), palladium (Pd), and mercury (Hg) are discussed.
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Affiliation(s)
- Sajad Chamani
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences, Birjand, Iran
| | - Leila Mobasheri
- Department of Pharmacology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Zeinab Rostami
- Student Research Committee, Mazandaran University of Medical Sciences, Sari, Iran
| | - Iman Zare
- Research and Development Department, Sina Medical Biochemistry Technologies Co. Ltd., Shiraz 7178795844, Iran
| | - Ali Naghizadeh
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences, Birjand, Iran.
| | - Ebrahim Mostafavi
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA 94305, USA; Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA.
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Domingo IK, Groenendyk J, Michalak M, Bhavsar AP. Cisplatin Toxicity Is Mediated by Direct Binding to Toll-Like Receptor 4 through a Mechanism That Is Distinct from Metal Allergens. Mol Pharmacol 2023; 103:158-165. [PMID: 36460345 DOI: 10.1124/molpharm.122.000595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 10/20/2022] [Accepted: 11/18/2022] [Indexed: 12/05/2022] Open
Abstract
Cisplatin is an effective chemotherapeutic agent, yet its use is limited by several adverse drug reactions, known as cisplatin-induced toxicities (CITs). We recently demonstrated that cisplatin could elicit proinflammatory responses associated with CITs through Toll-like receptor 4 (TLR4). TLR4 is best recognized for binding bacterial lipopolysaccharide (LPS) via its coreceptor, MD-2. TLR4 is also proposed to directly bind transition metals, such as nickel. Little is known about the nature of the cisplatin-TLR4 interaction. Here, we show that soluble TLR4 was capable of blocking cisplatin-induced, but not LPS-induced, TLR4 activation. Cisplatin and nickel, but not LPS, were able to directly bind soluble TLR4 in a microscale thermophoresis binding assay. Interestingly, TLR4 histidine variants that abolish nickel binding reduced, but did not eliminate, cisplatin-induced TLR4 activation. This was corroborated by binding data that showed cisplatin, but not nickel, could directly bind mouse TLR4 that lacks these histidine residues. Altogether, our findings suggest that TLR4 can directly bind cisplatin in a manner that is enhanced by, but not dependent on, histidine residues that facilitate binding to transition metals. SIGNIFICANCE STATEMENT: This work describes how the xenobiotic cisplatin interacts with Toll-like receptor 4 (TLR4) to initiate proinflammatory signaling that underlies cisplatin toxicities, which are severe adverse outcomes in cisplatin treatment. Here, this study provides a mechanistic bridge between cisplatin extracellular interactions with TLR4 and previous observations that genetic and chemical inhibition of TLR4 mitigates cisplatin-induced toxicity.
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Affiliation(s)
- Ivan K Domingo
- Departments of Medical Microbiology & Immunology (I.K.D., A.P.B.) and Biochemistry (J.G., M.M.), Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Jody Groenendyk
- Departments of Medical Microbiology & Immunology (I.K.D., A.P.B.) and Biochemistry (J.G., M.M.), Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Marek Michalak
- Departments of Medical Microbiology & Immunology (I.K.D., A.P.B.) and Biochemistry (J.G., M.M.), Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
| | - Amit P Bhavsar
- Departments of Medical Microbiology & Immunology (I.K.D., A.P.B.) and Biochemistry (J.G., M.M.), Faculty of Medicine & Dentistry, University of Alberta, Edmonton, Alberta, Canada
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7
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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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8
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Riedel F, Aparicio-Soto M, Curato C, Münch L, Abbas A, Thierse HJ, Peitsch WK, Luch A, Siewert K. Unique and common TCR repertoire features of Ni 2+ -, Co 2+ -, and Pd 2+ -specific human CD154 + CD4+ T cells. Allergy 2023; 78:270-282. [PMID: 36005389 DOI: 10.1111/all.15494] [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: 03/28/2022] [Revised: 07/21/2022] [Accepted: 08/08/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND Apart from Ni2+ , Co2+ , and Pd2+ ions commonly trigger T cell-mediated allergic contact dermatitis. However, in vitro frequencies of metal-specific T cells and the mechanisms of antigen recognition remain unclear. METHODS Here, we utilized a CD154 upregulation assay to quantify Ni2+ -, Co2+ -, and Pd2+ -specific CD4+ T cells in peripheral blood mononuclear cells (PBMC). Involved αβ T cell receptor (TCR) repertoires were analyzed by high-throughput sequencing. RESULTS Peripheral blood mononuclear cells incubation with NiSO4 , CoCl2 , and PdCl2 increased frequencies of CD154 + CD4+ memory T cells that peaked at ~400 μM. Activation was TCR-mediated as shown by the metal-specific restimulation of T cell clones. Most abundant were Pd2+ -specific T cells (mean 3.5%, n = 19), followed by Co2+ - and Ni2+ -specific cells (0.6%, n = 18 and 0.3%, n = 20) in both allergic and non-allergic individuals. A strong overrepresentation of the gene segment TRAV9-2 was unique for Ni2+ -specific TCR (28% of TCR) while Co2+ and Pd2+ -specific TCR favorably expressed TRAV2 (8%) and the TRBV4 gene segment family (21%), respectively. As a second, independent mechanism of metal ion recognition, all analyzed metal-specific TCR showed a common overrepresentation of a histidine in the complementarity determining region 3 (CDR3; 15% of α-chains, 34% of β-chains). The positions of the CDR3 histidine among metal-specific TCR mirrored those in random repertoires and were conserved among cross-reactive clonotypes. CONCLUSIONS Induced CD154 expression allows a fast and comprehensive detection of Ni2+ -, Co2+ -, and Pd2+ -specific CD4+ T cells. Distinct TCR repertoire features underlie the frequent activation and cross-reactivity of human metal-specific T cells.
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Affiliation(s)
- Franziska Riedel
- Dermatotoxicology Study Centre, German Federal Institute for Risk Assessment, Berlin, Germany.,Department of Chemical and Product Safety, German Federal Institute for Risk Assessment, Berlin, Germany.,Institute of Pharmacy, Freie Universität Berlin, Berlin, Germany
| | - Marina Aparicio-Soto
- Dermatotoxicology Study Centre, German Federal Institute for Risk Assessment, Berlin, Germany.,Department of Chemical and Product Safety, German Federal Institute for Risk Assessment, Berlin, Germany
| | - Caterina Curato
- Dermatotoxicology Study Centre, German Federal Institute for Risk Assessment, Berlin, Germany.,Department of Chemical and Product Safety, German Federal Institute for Risk Assessment, Berlin, Germany
| | - Lucas Münch
- Dermatotoxicology Study Centre, German Federal Institute for Risk Assessment, Berlin, Germany
| | - Amro Abbas
- Dermatotoxicology Study Centre, German Federal Institute for Risk Assessment, Berlin, Germany.,German Rheumatism Research Center (DRFZ), Berlin, Germany
| | - Hermann-Josef Thierse
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment, Berlin, Germany
| | - Wiebke K Peitsch
- Department of Dermatology and Phlebology, Vivantes Klinikum im Friedrichshain, Berlin, Germany
| | - Andreas Luch
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment, Berlin, Germany.,Institute of Pharmacy, Freie Universität Berlin, Berlin, Germany
| | - Katherina Siewert
- Dermatotoxicology Study Centre, German Federal Institute for Risk Assessment, Berlin, Germany.,Department of Chemical and Product Safety, German Federal Institute for Risk Assessment, Berlin, Germany
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9
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Wu D, Bhalekar RM, Marsh JS, Langton DJ, Stewart AJ. Periarticular metal hypersensitivity complications of hip bearings containing cobalt-chromium. EFORT Open Rev 2022; 7:758-771. [PMID: 36475551 PMCID: PMC9780614 DOI: 10.1530/eor-22-0036] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Hip joints with bearings composed of cobalt-chromium alloy (metal-on-metal bearings) have been one of the most widely used implants in joint replacement arthroplasty. Unfortunately, these implants can contribute to a complication called aseptic lymphocyte-dominated vasculitis-associated lesion (ALVAL), a type IV metal hypersensitivity response around the joint. Consistent with such bearings, increased metal debris can be found in the surrounding fluids and in remote tissues and organs, due to wear and corrosion. It is hypothesized that metal ions released from the prosthesis (including Co2+) can potentially form haptens with proteins such as serum albumin in synovial fluid that in turn elicit ALVAL. Generally, elevated cobalt and chromium levels in synovial fluids may indicate implant failure. However, such measurements cannot be used as a reliable tool to predict the onset of ALVAL. To detect ALVAL, some diagnostic tests, questionnaires and imaging techniques have been used clinically with some success, but a standardized approach is lacking. At present, guidelines for implant usage and patient management are ambiguous and inconsistent across health care authorities. To reduce and better manage the development of ALVAL, further research into the precise molecular mechanism(s) by which ALVAL develops is urgently needed. Identification of diagnostic and prognostic biomarkers for ALVAL is required, as are more standardized guidelines for surgery and patient management.
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Affiliation(s)
- Dongmei Wu
- School of Medicine, University of St. Andrews, St. Andrews, Fife, United Kingdom
| | - Rohan M Bhalekar
- ExplantLab, The Biosphere, Newcastle Helix, Newcastle-upon-Tyne, United Kingdom
| | - Jordan S Marsh
- School of Medicine, University of St. Andrews, St. Andrews, Fife, United Kingdom
| | - David J Langton
- ExplantLab, The Biosphere, Newcastle Helix, Newcastle-upon-Tyne, United Kingdom
| | - Alan J Stewart
- School of Medicine, University of St. Andrews, St. Andrews, Fife, United Kingdom,Correspondence should be addressed to A J Stewart;
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10
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Sato H, Ishii C, Nakayama SMM, Ichise T, Saito K, Watanabe Y, Ogasawara K, Torimoto R, Kobayashi A, Kimura T, Nakamura Y, Yamagishi J, Ikenaka Y, Ishizuka M. Behavior and toxic effects of Pb in a waterfowl model with oral exposure to Pb shots: Investigating Pb exposure in wild birds. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 308:119580. [PMID: 35680064 DOI: 10.1016/j.envpol.2022.119580] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 05/29/2022] [Accepted: 06/02/2022] [Indexed: 06/15/2023]
Abstract
Among wild birds, lead (Pb) exposure caused by ingestion of ammunition is a worldwide problem. We aimed to reveal the behavior and toxic effect of Pb caused by ingesting Pb shots in waterfowl. Four male, eight-week old Muscovy ducks (Cairina moschata) were given three Pb shots (approximately 240 mg in total) orally and then fed for 29 days after exposure, simulating a low-dose Pb exposure in wild waterfowl. During the breeding period, blood samples were collected 10 times, and fecal samples every day. Additionally, 22 fresh tissue and 6 bone samples were obtained from each duck through the dissection. Although there were no gross abnormalities, the maximum blood Pb concentration of each duck ranged from 0.6 to 3.7 mg/L, reaching a threshold concentration indicative of clinical symptoms (>0.5 mg/L). δ-aminolevulinic acid dehydratase declined one day after exposure and remained low throughout the feeding period. Hematocrit also tended to decrease, indicating signs of anemia. The highest Pb accumulation was observed in the bones, followed by the kidneys, intestinal tracts, and liver. High Pb accumulation in the bones, which are known to have a long Pb half-life, suggested that Pb would remain in the body and possibly affect bird health beyond 28 days after exposure. Gene expression analysis showed a significant increase in the expression of the toll-like receptor-3 gene, which is involved in virus discrimination in the liver, suggesting a disruption of the immune system. Microbiota analyses showed a correlation between the blood Pb concentration and the abundances of Lachnospiraceae and Ruminococcaceae, suggesting that Pb affects lipid metabolism. These results provide fundamental data on Pb exposure in wild birds and a new perspective on the damage such exposure causes.
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Affiliation(s)
- Hiroshi Sato
- Laboratory of Toxicology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Chihiro Ishii
- Laboratory of Toxicology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Shouta M M Nakayama
- Laboratory of Toxicology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Takahiro Ichise
- Laboratory of Toxicology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Keisuke Saito
- Institute for Raptor Biomedicine Japan, Hokuto 2-2101, Kushiro, Hokkaido, 084-0922, Japan
| | - Yukiko Watanabe
- Institute for Raptor Biomedicine Japan, Hokuto 2-2101, Kushiro, Hokkaido, 084-0922, Japan
| | - Kohei Ogasawara
- Institute for Raptor Biomedicine Japan, Hokuto 2-2101, Kushiro, Hokkaido, 084-0922, Japan
| | - Ryota Torimoto
- Laboratory of Comparative Pathology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Atsushi Kobayashi
- Laboratory of Comparative Pathology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Takashi Kimura
- Laboratory of Comparative Pathology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan
| | - Yukiko Nakamura
- Division of Collaboration and Education, International Institute for Zoonosis Control, Hokkaido University, Sapporo, 001-0020, Japan
| | - Junya Yamagishi
- Division of Collaboration and Education, International Institute for Zoonosis Control, Hokkaido University, Sapporo, 001-0020, Japan; International Collaboration Unit, International Institute for Zoonosis Control, Hokkaido University, Sapporo, 001-0020, Japan
| | - Yoshinori Ikenaka
- Laboratory of Toxicology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan; Water Research Group, School of Environmental Sciences and Development, North-West University, South Africa; Translational Research Unit, Veterinary Teaching Hospital, Faculty of Veterinary Medicine, Hokkaido University, Sapporo, 060-0818, Japan; One Health Research Center, Hokkaido University, Japan
| | - Mayumi Ishizuka
- Laboratory of Toxicology, Faculty of Veterinary Medicine, Hokkaido University, Kita 18 Nishi 9, Kita-ku, Sapporo, Hokkaido, 060-0818, Japan.
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Domingo IK, Latif A, Bhavsar AP. Pro-Inflammatory Signalling PRRopels Cisplatin-Induced Toxicity. Int J Mol Sci 2022; 23:7227. [PMID: 35806229 PMCID: PMC9266867 DOI: 10.3390/ijms23137227] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/26/2022] [Accepted: 06/27/2022] [Indexed: 02/04/2023] Open
Abstract
Cisplatin is a platinum-based chemotherapeutic that has long since been effective against a variety of solid-cancers, substantially improving the five-year survival rates for cancer patients. Its use has also historically been limited by its adverse drug reactions, or cisplatin-induced toxicities (CITs). Of these reactions, cisplatin-induced nephrotoxicity (CIN), cisplatin-induced peripheral neuropathy (CIPN), and cisplatin-induced ototoxicity (CIO) are the three most common of several CITs recognised thus far. While the anti-cancer activity of cisplatin is well understood, the mechanisms driving its toxicities have only begun to be defined. Most of the literature pertains to damage caused by oxidative stress that occurs downstream of cisplatin treatment, but recent evidence suggests that the instigator of CIT development is inflammation. Cisplatin has been shown to induce pro-inflammatory signalling in CIN, CIPN, and CIO, all of which are associated with persisting markers of inflammation, particularly from the innate immune system. This review covered the hallmarks of inflammation common and distinct between different CITs, the role of innate immune components in development of CITs, as well as current treatments targeting pro-inflammatory signalling pathways to conserve the use of cisplatin in chemotherapy and improve long-term health outcomes of cancer patients.
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Affiliation(s)
| | | | - Amit P. Bhavsar
- Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, AB T6G 2E1, Canada; (I.K.D.); (A.L.)
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12
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Bilgic A, Bozca B, Subası G, Dicle Ö, Uzun S, Yılmaz E, Alpsoy E, Akman-Karakas A. Standard patch test results and clinical relevance: A cross-sectional study of 10-year retrospective experience. Indian J Dermatol 2022; 67:258-264. [PMID: 36386088 PMCID: PMC9644757 DOI: 10.4103/ijd.ijd_965_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Background: Allergic contact dermatitis (ACD) is a type IV hypersensitivity reaction, and The European Standard Series (ESS) Patch Test (PT) is widely used in determining the possible responsible allergens causing ACD. The dynamic nature of the industrial products, socioeconomic and environmental factors cause the frequency of common allergens to change over the years and among different regions. Aims and Objectives: This study aimed to retrospectively evaluate the results of ESS PT of our centre in the last decade, and determine the current spectrum of allergens and their clinical relevance. Materials and Methods: The data of patients who underwent ESS PT in our clinic between January 2010 and March 2020 were included in the study. The patient files were examined retrospectively. The clinical relevance was evaluated according to the COADEX system. Statistical analysis used: SPSS for Windows version 23.0 software program. Results: The data of 1037 patients [623 (60.1%) female, 414 (39.9%) male] were analysed. The mean age was 38.34 ± 14.55 years. The five most common allergens were nickel sulphate (23.1%), cobalt chloride (12%), potassium dichromate (9.5%), Fragrance mix II (7.3%) and balsam of Peru (5.7%). According to the COADEX coding system, current relevance was detected in 319 (49.3%) of 646 patients who had a positive reaction to any substance in the patch test. Conclusion: Our study showed that with increasing awareness in society, the tendency to avoid some well-known allergenic substances and consumer products causes changes in common allergens. These results prove the value of long-term surveillance of contact allergy.
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Riedel F, Aparicio-Soto M, Curato C, Thierse HJ, Siewert K, Luch A. Immunological Mechanisms of Metal Allergies and the Nickel-Specific TCR-pMHC Interface. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:10867. [PMID: 34682608 PMCID: PMC8535423 DOI: 10.3390/ijerph182010867] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 10/03/2021] [Accepted: 10/11/2021] [Indexed: 12/19/2022]
Abstract
Besides having physiological functions and general toxic effects, many metal ions can cause allergic reactions in humans. We here review the immune events involved in the mediation of metal allergies. We focus on nickel (Ni), cobalt (Co) and palladium (Pd), because these allergens are among the most prevalent sensitizers (Ni, Co) and immediate neighbors in the periodic table of the chemical elements. Co-sensitization between Ni and the other two metals is frequent while the knowledge on a possible immunological cross-reactivity using in vivo and in vitro approaches remains limited. At the center of an allergic reaction lies the capability of a metal allergen to form T cell epitopes that are recognized by specific T cell receptors (TCR). Technological advances such as activation-induced marker assays and TCR high-throughput sequencing recently provided new insights into the interaction of Ni2+ with the αβ TCR-peptide-major histocompatibility complex (pMHC) interface. Ni2+ functionally binds to the TCR gene segment TRAV9-2 or a histidine in the complementarity determining region 3 (CDR3), the main antigen binding region. Thus, we overview known, newly identified and hypothesized mechanisms of metal-specific T cell activation and discuss current knowledge on cross-reactivity.
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Affiliation(s)
- Franziska Riedel
- Department for Chemicals and Product Safety, Federal Institute for Risk Assessment, Max-Dohrn-Straße 8-10, 10589 Berlin, Germany; (M.A.-S.); (C.C.); (H.-J.T.); (K.S.); (A.L.)
- Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Straße 2, 14195 Berlin, Germany
| | - Marina Aparicio-Soto
- Department for Chemicals and Product Safety, Federal Institute for Risk Assessment, Max-Dohrn-Straße 8-10, 10589 Berlin, Germany; (M.A.-S.); (C.C.); (H.-J.T.); (K.S.); (A.L.)
| | - Caterina Curato
- Department for Chemicals and Product Safety, Federal Institute for Risk Assessment, Max-Dohrn-Straße 8-10, 10589 Berlin, Germany; (M.A.-S.); (C.C.); (H.-J.T.); (K.S.); (A.L.)
| | - Hermann-Josef Thierse
- Department for Chemicals and Product Safety, Federal Institute for Risk Assessment, Max-Dohrn-Straße 8-10, 10589 Berlin, Germany; (M.A.-S.); (C.C.); (H.-J.T.); (K.S.); (A.L.)
| | - Katherina Siewert
- Department for Chemicals and Product Safety, Federal Institute for Risk Assessment, Max-Dohrn-Straße 8-10, 10589 Berlin, Germany; (M.A.-S.); (C.C.); (H.-J.T.); (K.S.); (A.L.)
| | - Andreas Luch
- Department for Chemicals and Product Safety, Federal Institute for Risk Assessment, Max-Dohrn-Straße 8-10, 10589 Berlin, Germany; (M.A.-S.); (C.C.); (H.-J.T.); (K.S.); (A.L.)
- Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Straße 2, 14195 Berlin, Germany
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Ju HM, Yu SN, Ahn YW, Ok SM, Ahn SC, Jeong SH. Correlation between Metal Ions and Cytokines in the Saliva of Patients with Oral Lichenoid Lesions. Yonsei Med J 2021; 62:767-775. [PMID: 34296555 PMCID: PMC8298875 DOI: 10.3349/ymj.2021.62.8.767] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 06/10/2021] [Accepted: 06/14/2021] [Indexed: 11/27/2022] Open
Abstract
PURPOSE We aimed to investigate the effect of metal ions from oral prostheses (OPs) released into the saliva of patients with oral lichenoid lesions (OLLs). MATERIALS AND METHODS Subjects (n=183) were divided into four groups according to the presence or absence of OLL and OP. Concentrations of the metal ions titanium, chromium (Cr), cobalt (Co), nickel (Ni), palladium (Pd), silver (Ag), platinum (Pt), gold (Au), and zirconium (Zr) were measured using a laser-ablation microprobe inductively coupled to a plasma mass spectrometer. Saliva levels of interleukin (IL)-6, IL-1β, IL-8, and tumor necrosis factor-α were detected using an enzyme-linked immunosorbent assay. The reticulation/keratosis, erythema, and ulceration (REU) scoring system was used to assess the severity of OLL. RESULTS Mean concentrations of IL-6 and IL-8 were statistically higher in OLL patients with OPs. The concentration of Ni was high in OLL groups. The concentrations of Cr, Ni, and Au ions in the saliva were positively correlated with IL-8. REU scores were positively correlated with salivary concentrations of IL-6 and IL-8, as well as with concentrations of Cr, Ni, and Au. CONCLUSION Increased concentrations of metal ions, especially Ni, in saliva were positively correlated with IL-8 and showed positive correlations with the severity of OLL.
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Affiliation(s)
- Hye Min Ju
- Department of Oral Medicine, Pusan National University Dental Hospital, Dental Research Institute, Yangsan, Korea
| | - Sun Nyoung Yu
- Department of Microbiology & Immunology, School of Medicine, Pusan National University, Yangsan, Korea
| | - Yong Woo Ahn
- Department of Oral Medicine, School of Dentistry, Pusan National University, Dental Research Institute, Dental and Life Science Institute, Yangsan, Korea
| | - Soo Min Ok
- Department of Oral Medicine, School of Dentistry, Pusan National University, Dental Research Institute, Dental and Life Science Institute, Yangsan, Korea
| | - Soon Cheol Ahn
- Department of Microbiology & Immunology, School of Medicine, Pusan National University, Yangsan, Korea
| | - Sung Hee Jeong
- Department of Oral Medicine, School of Dentistry, Pusan National University, Dental Research Institute, Dental and Life Science Institute, Yangsan, Korea.
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15
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Gómez MA, Navas A, Prieto MD, Giraldo-Parra L, Cossio A, Alexander N, Gore Saravia N. Immuno-pharmacokinetics of Meglumine Antimoniate in Patients With Cutaneous Leishmaniasis Caused by Leishmania (Viannia). Clin Infect Dis 2021; 72:e484-e492. [PMID: 32818964 PMCID: PMC8130027 DOI: 10.1093/cid/ciaa1206] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Control of cutaneous leishmaniasis (CL) relies on chemotherapy, yet gaps in our understanding of the determinants of therapeutic outcome impede optimization of antileishmanial drug regimens. Pharmacodynamic (PD) parameters of antimicrobials are based on the relationship between drug concentrations/exposure and microbial kill. However, viable Leishmania persist in a high proportion of individuals despite clinical resolution, indicating that determinants other than parasite clearance are involved in drug efficacy. METHODS In this study, the profiles of expression of neutrophils, monocytes, Th1 and Th17 gene signatures were characterized in peripheral blood mononuclear cells (PBMCs) during treatment with meglumine antimoniate (MA) and clinical cure of human CL caused by Leishmania (Viannia). We explored relationships of immune gene expression with plasma and intracellular antimony (Sb) concentrations. RESULTS Our findings show a rapid and orchestrated modulation of gene expression networks upon exposure to MA. We report nonlinear pharmacokinetic/pharmacodynamic (PK/PD) relationships of Sb and gene expression dynamics in PBMCs , concurring with a time lag in the detection of intracellular drug concentrations and with PK evidence of intracellular Sb accumulation. CONCLUSIONS Our results quantitatively portray the immune dynamics of therapeutic healing, and provide the knowledge base for optimization of antimonial drug treatments, guiding the selection and/or design of targeted drug delivery systems and strategies for targeted immunomodulation.
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Affiliation(s)
- María Adelaida Gómez
- Centro Internacional de Entrenamiento e Investigaciones Médicas-CIDEIM, Cali, Colombia
- Universidad Icesi, Cali, Colombia
- Correspondence: M. Adelaida Gómez, CIDEIM, Calle 18 # 122-135, Universidad Icesi, Edificio O, Cali, Colombia ()
| | - Adriana Navas
- Centro Internacional de Entrenamiento e Investigaciones Médicas-CIDEIM, Cali, Colombia
- Universidad Icesi, Cali, Colombia
| | - Miguel Dario Prieto
- Centro Internacional de Entrenamiento e Investigaciones Médicas-CIDEIM, Cali, Colombia
| | - Lina Giraldo-Parra
- Centro Internacional de Entrenamiento e Investigaciones Médicas-CIDEIM, Cali, Colombia
- Universidad Icesi, Cali, Colombia
| | - Alexandra Cossio
- Centro Internacional de Entrenamiento e Investigaciones Médicas-CIDEIM, Cali, Colombia
- Universidad Icesi, Cali, Colombia
| | - Neal Alexander
- Centro Internacional de Entrenamiento e Investigaciones Médicas-CIDEIM, Cali, Colombia
- Universidad Icesi, Cali, Colombia
| | - Nancy Gore Saravia
- Centro Internacional de Entrenamiento e Investigaciones Médicas-CIDEIM, Cali, Colombia
- Universidad Icesi, Cali, Colombia
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16
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Bechara R, Feray A, Pallardy M. Drug and Chemical Allergy: A Role for a Specific Naive T-Cell Repertoire? Front Immunol 2021; 12:653102. [PMID: 34267746 PMCID: PMC8276071 DOI: 10.3389/fimmu.2021.653102] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 06/15/2021] [Indexed: 01/11/2023] Open
Abstract
Allergic reactions to drugs and chemicals are mediated by an adaptive immune response involving specific T cells. During thymic selection, T cells that have not yet encountered their cognate antigen are considered naive T cells. Due to the artificial nature of drug/chemical-T-cell epitopes, it is not clear whether thymic selection of drug/chemical-specific T cells is a common phenomenon or remains limited to few donors or simply does not exist, suggesting T-cell receptor (TCR) cross-reactivity with other antigens. Selection of drug/chemical-specific T cells could be a relatively rare event accounting for the low occurrence of drug allergy. On the other hand, a large T-cell repertoire found in multiple donors would underline the potential of a drug/chemical to be recognized by many donors. Recent observations raise the hypothesis that not only the drug/chemical, but also parts of the haptenated protein or peptides may constitute the important structural determinants for antigen recognition by the TCR. These observations may also suggest that in the case of drug/chemical allergy, the T-cell repertoire results from particular properties of certain TCR to recognize hapten-modified peptides without need for previous thymic selection. The aim of this review is to address the existence and the role of a naive T-cell repertoire in drug and chemical allergy. Understanding this role has the potential to reveal efficient strategies not only for allergy diagnosis but also for prediction of the immunogenic potential of new chemicals.
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Affiliation(s)
- Rami Bechara
- Division of Rheumatology & Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, United States
| | - Alexia Feray
- Inflammation, Microbiome and Immunosurveillance, Université Paris-Saclay, INSERM, Châtenay-Malabry, France
| | - Marc Pallardy
- Inflammation, Microbiome and Immunosurveillance, Université Paris-Saclay, INSERM, Châtenay-Malabry, France
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17
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Babolmorad G, Latif A, Domingo IK, Pollock NM, Delyea C, Rieger AM, Allison WT, Bhavsar AP. Toll-like receptor 4 is activated by platinum and contributes to cisplatin-induced ototoxicity. EMBO Rep 2021; 22:e51280. [PMID: 33733573 PMCID: PMC8097357 DOI: 10.15252/embr.202051280] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 02/18/2021] [Accepted: 02/23/2021] [Indexed: 12/12/2022] Open
Abstract
Toll-like receptor 4 (TLR4) recognizes bacterial lipopolysaccharide (LPS) and can also be activated by some Group 9/10 transition metals, which is believed to mediate immune hypersensitivity reactions. In this work, we test whether TLR4 can be activated by the Group 10 metal platinum and the platinum-based chemotherapeutic cisplatin. Cisplatin is invaluable in childhood cancer treatment but its use is limited due to a permanent hearing loss (cisplatin-induced ototoxicity, CIO) adverse effect. We demonstrate that platinum and cisplatin activate pathways downstream of TLR4 to a similar extent as the known TLR4 agonists LPS and nickel. We further show that TLR4 is required for cisplatin-induced inflammatory, oxidative, and cell death responses in hair cells in vitro and for hair cell damage in vivo. Finally, we identify a TLR4 small molecule inhibitor able to curtail cisplatin toxicity in vitro. Thus, our findings indicate that TLR4 is a promising therapeutic target to mitigate CIO.
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Affiliation(s)
- Ghazal Babolmorad
- Department of Medical Microbiology and ImmunologyFaculty of Medicine & DentistryUniversity of AlbertaEdmontonABCanada
| | - Asna Latif
- Department of Medical Microbiology and ImmunologyFaculty of Medicine & DentistryUniversity of AlbertaEdmontonABCanada
| | - Ivan K Domingo
- Department of Medical Microbiology and ImmunologyFaculty of Medicine & DentistryUniversity of AlbertaEdmontonABCanada
| | - Niall M Pollock
- Department of Biological SciencesFaculty of ScienceUniversity of AlbertaEdmontonABCanada
| | - Cole Delyea
- Department of Medical Microbiology and ImmunologyFaculty of Medicine & DentistryUniversity of AlbertaEdmontonABCanada
| | - Aja M Rieger
- Department of Medical Microbiology and ImmunologyFaculty of Medicine & DentistryUniversity of AlbertaEdmontonABCanada
| | - W Ted Allison
- Department of Biological SciencesFaculty of ScienceUniversity of AlbertaEdmontonABCanada
- Department of Medical GeneticsFaculty of Medicine & DentistryUniversity of AlbertaEdmontonABCanada
| | - Amit P Bhavsar
- Department of Medical Microbiology and ImmunologyFaculty of Medicine & DentistryUniversity of AlbertaEdmontonABCanada
- Department of Medical GeneticsFaculty of Medicine & DentistryUniversity of AlbertaEdmontonABCanada
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18
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McSweeney KR, Gadanec LK, Qaradakhi T, Ali BA, Zulli A, Apostolopoulos V. Mechanisms of Cisplatin-Induced Acute Kidney Injury: Pathological Mechanisms, Pharmacological Interventions, and Genetic Mitigations. Cancers (Basel) 2021; 13:1572. [PMID: 33805488 PMCID: PMC8036620 DOI: 10.3390/cancers13071572] [Citation(s) in RCA: 119] [Impact Index Per Article: 39.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 03/19/2021] [Accepted: 03/25/2021] [Indexed: 02/06/2023] Open
Abstract
Administration of the chemotherapeutic agent cisplatin leads to acute kidney injury (AKI). Cisplatin-induced AKI (CIAKI) has a complex pathophysiological map, which has been linked to cellular uptake and efflux, apoptosis, vascular injury, oxidative and endoplasmic reticulum stress, and inflammation. Despite research efforts, pharmaceutical interventions, and clinical trials spanning over several decades, a consistent and stable pharmacological treatment option to reduce AKI in patients receiving cisplatin remains unavailable. This has been predominately linked to the incomplete understanding of CIAKI pathophysiology and molecular mechanisms involved. Herein, we detail the extensively known pathophysiology of cisplatin-induced nephrotoxicity that manifests and the variety of pharmacological and genetic alteration studies that target them.
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20
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Shang L, Deng D, Roffel S, Gibbs S. Differential influence of Streptococcus mitis on host response to metals in reconstructed human skin and oral mucosa. Contact Dermatitis 2020; 83:347-360. [PMID: 32677222 PMCID: PMC7693211 DOI: 10.1111/cod.13668] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 07/10/2020] [Accepted: 07/15/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND Skin and oral mucosa are continuously exposed to potential metal sensitizers while hosting abundant microbes, which may influence the host response to sensitizers. This host response may also be influenced by the route of exposure that is skin or oral mucosa, due to their different immune properties. OBJECTIVE Determine how commensal Streptococcus mitis influences the host response to nickel sulfate (sensitizer) and titanium(IV) bis(ammonium lactato)dihydroxide (questionable sensitizer) in reconstructed human skin (RHS) and gingiva (RHG). METHODS RHS/RHG was exposed to nickel or titanium, in the presence or absence of S. mitis for 24 hours. Histology, cytokine secretion, and Toll-like receptors (TLRs) expression were assessed. RESULTS S. mitis increased interleukin (IL)-6, CXCL8, CCL2, CCL5, and CCL20 secretion in RHS but not in RHG; co-application with nickel further increased cytokine secretion. In contrast, titanium suppressed S. mitis-induced cytokine secretion in RHS and had no influence on RHG. S. mitis and metals differentially regulated TLR1 and TLR4 in RHS, and predominantly TLR4 in RHG. CONCLUSION Co-exposure of S. mitis and nickel resulted in a more potent innate immune response in RHS than in RHG, whereas titanium remained inert. These results indicate the important influence of commensal microbes and the route of exposure on the host's response to metals.
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Affiliation(s)
- Lin Shang
- Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam (ACTA)University of Amsterdam and Vrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Dongmei Deng
- Department of Preventive Dentistry, Academic Centre for Dentistry Amsterdam (ACTA)University of Amsterdam and Vrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Sanne Roffel
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA)University of Amsterdam and Vrije Universiteit AmsterdamAmsterdamThe Netherlands
| | - Susan Gibbs
- Department of Oral Cell Biology, Academic Centre for Dentistry Amsterdam (ACTA)University of Amsterdam and Vrije Universiteit AmsterdamAmsterdamThe Netherlands
- Department of Molecular Cell Biology and ImmunologyAmsterdam UMC, Vrije Universiteit AmsterdamAmsterdamThe Netherlands
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Salimi A, Jamali Z, Atashbar S, Khezri S, Ghorbanpour AM, Etefaghi N. Pathogenic Mechanisms and Therapeutic Implication in Nickel-Induced Cell Damage. Endocr Metab Immune Disord Drug Targets 2020; 20:968-984. [DOI: 10.2174/1871530320666200214123118] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 01/24/2019] [Accepted: 03/07/2019] [Indexed: 11/22/2022]
Abstract
Background:
Nickel (Ni) is mostly applied in a number of industrial areas such as printing
inks, welding, alloys, electronics and electrical professions. Occupational or environmental exposure to
nickel may lead to cancer, allergy reaction, nephrotoxicity, hepatotoxicity, neurotoxicity, as well as
cell damage, apoptosis and oxidative stress.
Methods:
In here, we focused on published studies about cell death, carcinogenicity, allergy reactions
and neurotoxicity, and promising agents for the prevention and treatment of the toxicity by Ni.
Results:
Our review showed that in the last few years, more researches have focused on reactive oxygen
species formation, oxidative stress, DNA damages, apoptosis, interaction with involving receptors
in allergy and mitochondrial damages in neuron induced by Ni.
Conclusion:
The collected data in this paper provide useful information about the main toxicities induced
by Ni, also, their fundamental mechanisms, and how to discover new ameliorative agents for
prevention and treatment by reviewing agents with protective and therapeutic consequences on Ni
induced toxicity.
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Affiliation(s)
- Ahmad Salimi
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Zhaleh Jamali
- Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Saman Atashbar
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Saleh Khezri
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Amir M. Ghorbanpour
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Nahid Etefaghi
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
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22
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Kapp F, Summer B, Thomas P. Usefulness of lymphocyte transformation test and in vitro cytokine release in differentiating between independent and cross-reacting nickel/palladium allergy. IMMUNITY INFLAMMATION AND DISEASE 2020; 8:483-492. [PMID: 32720755 PMCID: PMC7654426 DOI: 10.1002/iid3.329] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 06/02/2020] [Accepted: 06/21/2020] [Indexed: 11/09/2022]
Abstract
BACKGROUND Often concomitant patch test (PT) reactivity to palladium (Pd) and nickel (Ni) is found. OBJECTIVES To determine whether lymphocyte transformation test (LTT) could be useful in discrimination between cross-reacting or distinct PT results, and to compare the results with in vitro cytokine production upon Pd or Ni stimulation. MATERIALS AND METHODS The study population consisted of two groups: 13 individuals with Pd PT reactions (10 with concomitant Ni PT reaction, 3 individuals with only Pd PT reactivity) and 10 Ni/Pd PT negative individuals. LTT and assessment of cytokine release (interferon-gamma, interleukin-5 [IL-5], IL-8, IL-17A, tumor necrosis factor alpha) by cytometric bead assay were performed. RESULTS All 10 patients with positive PT to Ni and Pd showed positive LTT to Ni (P < .05) as compared with the 10 Pd/Ni PT negative patients-but had no significant LTT reaction to Pd. In all, 9 out of 10 Pd/Ni PT negative patients were also LTT negative to Ni and 10 out of 10 to Pd. In the 3 only Pd PT reactors 2 out of 3 remained LTT negative to Ni and 0 out of 3 to Pd. As a major finding, cytokine production gave clearly enhanced IL-5 response to Ni in Ni PT positive individuals (P < .05), whereas Pd PT reactivity was not linked with such enhanced IL-5 production in vitro to Pd. CONCLUSIONS Pd and Ni sensitization are mostly found concomitantly, and cross-reactivity is questioned. By different LTT reactions and particularly IL-5 production in vitro, predominant Ni sensitization becomes more evident.
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Affiliation(s)
- Florian Kapp
- Department of Dermatology and Allergy, Ludwig Maximilians University, Munich, Germany
| | - Burkhard Summer
- Department of Dermatology and Allergy, Ludwig Maximilians University, Munich, Germany
| | - Peter Thomas
- Department of Dermatology and Allergy, Ludwig Maximilians University, Munich, Germany
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Oral lichen planus: A chronic inflammatory model to study the regulation of the Toll-like receptor signaling in oral keratinocytes. J Oral Biosci 2020; 62:115-122. [DOI: 10.1016/j.job.2020.05.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/12/2020] [Accepted: 05/14/2020] [Indexed: 01/01/2023]
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Bannon DI, Bao W, Turner SD, McCain WC, Dennis W, Wolfinger R, Perkins E, Abounader R. Gene expression in mouse muscle over time after nickel pellet implantation. Metallomics 2020; 12:528-538. [PMID: 32065191 DOI: 10.1039/c9mt00289h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The transition metal nickel is used in a wide variety of alloys and medical devices. Nickel can cause a range of toxicities from allergy in humans to tumors when implanted in animals. Several microarray studies have examined nickel toxicity, but so far none have comprehensively profiled expression over an extended period. In this work, male mice were implanted with a single nickel pellet in the muscle of the right leg with the left leg used as a control. At 3 week intervals up to 12 months, nickel concentrations in bioflulids and microarrays of surrounding tissue were used to track gene expression patterns. Pellet biocorrosion resulted in varying levels of systemic nickel over time, with peaks of 600 μg L-1 in serum, while global gene expression was cyclical in nature with immune related genes topping the list of overexpressed genes. IPA and KEGG pathway analyses was used to attribute overall biological function to changes in gene expression levels, supported by GO enrichment analysis. IPA pathways identified sirtuin, mitochondria, and oxidative phosphorylation as top pathways, based predominantly on downregulated genes, whereas immune processes were associated with upregulated genes. Top KEGG pathways identified were lysosome, osteoclast differentiation, and phasgosome. Both pathway approaches identified common immune responses, as well as hypoxia, toll like receptor, and matrix metalloproteinases. Overall, pathway analysis identified a negative impact on energy metabolism, and a positive impact on immune function, in particular the acute phase response. Inside the cell the impacts were on mitochondria and lysosome. New pathways and genes responsive to nickel were identified from the large dataset in this study which represents the first long-term analysis of the effects of chronic nickel exposure on global gene expression.
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Affiliation(s)
- Desmond I Bannon
- U.S. Army Public Health Centre, Toxicology Directorate, 8988 Willoughby Road, Aberdeen Proving Ground, Maryland 21010, USA.
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An N, Pourzal S, Luccioli S, Vukmanović S. Effects of diet on skin sensitization by nickel, poison ivy, and sesquiterpene lactones. Food Chem Toxicol 2020; 137:111137. [PMID: 31982450 DOI: 10.1016/j.fct.2020.111137] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 12/20/2019] [Accepted: 01/17/2020] [Indexed: 12/12/2022]
Abstract
Skin contact or exposure to sensitizers often occurs as a consequence of occupational exposures (e.g. poison ivy in forestry), wearing jewelry (e.g. nickel), or use of cosmetics (e.g. fragrances). However, many of the known skin sensitizers or their chemical variants are also consumed orally through foods or other sources. Since oral exposure to antigenic substances can lead to tolerance, consumption of sensitizers may impact the development and potency of skin sensitization, especially if the sensitizer is consumed early in life, prior to the first skin contact. To address this issue, we have reviewed human clinical and epidemiological literature relevant to this subject and evaluated whether early oral exposures to relevant sensitizers, or their chemical variants, are associated with reduced prevalence of skin sensitization to three main allergic sensitizers - nickel, urushiols of poison ivy, and sesquiterpene lactones of chrysanthemum and other plants.
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Affiliation(s)
- Nan An
- Cosmetics Division, Office of Cosmetics and Colors (OCAC), Center for Food Safety and Applied Nutrition (CFSAN), Food and Drug Administration (FDA), USA
| | - Selma Pourzal
- Cosmetics Division, Office of Cosmetics and Colors (OCAC), Center for Food Safety and Applied Nutrition (CFSAN), Food and Drug Administration (FDA), USA
| | - Stefano Luccioli
- Office of Compliance (OC), Center for Food Safety and Applied Nutrition (CFSAN), Food and Drug Administration (FDA), USA
| | - Stanislav Vukmanović
- Cosmetics Division, Office of Cosmetics and Colors (OCAC), Center for Food Safety and Applied Nutrition (CFSAN), Food and Drug Administration (FDA), USA.
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Martin SF, Bonefeld CM. Mechanisms of Irritant and Allergic Contact Dermatitis. Contact Dermatitis 2020. [DOI: 10.1007/978-3-319-72451-5_59-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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A comprehensive mechanistic review insight into the effects of micronutrients on toll-like receptors functions. Pharmacol Res 2019; 152:104619. [PMID: 31887355 DOI: 10.1016/j.phrs.2019.104619] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/23/2019] [Accepted: 12/26/2019] [Indexed: 12/29/2022]
Abstract
Toll-like receptors (TLRs) are the special proteins receptors for recognition of molecules related to the pathogens. In this way, TLRs and secreted cytokines as a result of TLRs activation are involved in the inflammation pathways. So far, in vivo and in vitro studies have demonstrated that micronutrients (vitamins & minerals) with a broad range of effects on body health, can regulate TLRs signaling pathways. Current review aimed at determining the possible mechanisms of micronutrient effects on TLRs functions. In the aspect of gene expression, micronutrients have inconsistent effects on mRNA level of TLRs which are dependent on time, dose and type of studied TLR. Also, some micronutrients affect gene expression of TLRs signaling mediators namely TLRs adaptors like Myeloid differentiation primary response 88 (MyD88). In the aspect of TLRs signaling pathways, nuclear factor-κB (NF-κB) is an important mediator which is regulated by micronutrients. Also, the regulatory effects of micronutrients on phosphorylation reactions may be effective in the activation/inactivation of TLRs signaling mediators. In addition, zinc can regulate TLRs signaling indirectly via the zinc finger proteins which have contradictory effects on TLRs cascade. In conclusion, the relationship between micronutrients and TLRs signaling is complicated and depends on some known internal, external and genetic factors like form of studied micronutrient, cell type, TLR agonist, dose and time of exposure, inflammation, apoptosis, cell cycle, and environmental factors. Some unknown factors may be effective in TLRs response and as a result additional mechanistic studies are needed to elucidate exact effect of micronutrients on TLRs signaling.
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Roach KA, Stefaniak AB, Roberts JR. Metal nanomaterials: Immune effects and implications of physicochemical properties on sensitization, elicitation, and exacerbation of allergic disease. J Immunotoxicol 2019; 16:87-124. [PMID: 31195861 PMCID: PMC6649684 DOI: 10.1080/1547691x.2019.1605553] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 03/15/2019] [Accepted: 04/05/2019] [Indexed: 12/25/2022] Open
Abstract
The recent surge in incorporation of metallic and metal oxide nanomaterials into consumer products and their corresponding use in occupational settings have raised concerns over the potential for metals to induce size-specific adverse toxicological effects. Although nano-metals have been shown to induce greater lung injury and inflammation than their larger metal counterparts, their size-related effects on the immune system and allergic disease remain largely unknown. This knowledge gap is particularly concerning since metals are historically recognized as common inducers of allergic contact dermatitis, occupational asthma, and allergic adjuvancy. The investigation into the potential for adverse immune effects following exposure to metal nanomaterials is becoming an area of scientific interest since these characteristically lightweight materials are easily aerosolized and inhaled, and their small size may allow for penetration of the skin, which may promote unique size-specific immune effects with implications for allergic disease. Additionally, alterations in physicochemical properties of metals in the nano-scale greatly influence their interactions with components of biological systems, potentially leading to implications for inducing or exacerbating allergic disease. Although some research has been directed toward addressing these concerns, many aspects of metal nanomaterial-induced immune effects remain unclear. Overall, more scientific knowledge exists in regards to the potential for metal nanomaterials to exacerbate allergic disease than to their potential to induce allergic disease. Furthermore, effects of metal nanomaterial exposure on respiratory allergy have been more thoroughly-characterized than their potential influence on dermal allergy. Current knowledge regarding metal nanomaterials and their potential to induce/exacerbate dermal and respiratory allergy are summarized in this review. In addition, an examination of several remaining knowledge gaps and considerations for future studies is provided.
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Affiliation(s)
- Katherine A Roach
- a Allergy and Clinical Immunology Branch (ACIB) , National Institute of Occupational Safety and Health (NIOSH) , Morgantown , WV , USA
- b School of Pharmacy , West Virginia University , Morgantown , WV , USA
| | - Aleksandr B Stefaniak
- c Respiratory Health Division (RHD) , National Institute of Occupational Safety and Health (NIOSH) , Morgantown , WV , USA
| | - Jenny R Roberts
- a Allergy and Clinical Immunology Branch (ACIB) , National Institute of Occupational Safety and Health (NIOSH) , Morgantown , WV , USA
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Teo Y, McFadden JP, White IR, Lynch M, Banerjee P. Allergic contact dermatitis in atopic individuals: Results of a 30‐year retrospective study. Contact Dermatitis 2019; 81:409-416. [DOI: 10.1111/cod.13363] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 07/20/2019] [Accepted: 07/24/2019] [Indexed: 01/10/2023]
Affiliation(s)
- Ying Teo
- Department of DermatologyUniversity Hospital Southampton NHS Foundation Trust Southampton UK
- Department of Cutaneous AllergySt John's Institute of Dermatology, Guy's Hospital London UK
| | - John P. McFadden
- Department of Cutaneous AllergySt John's Institute of Dermatology, Guy's Hospital London UK
| | - Ian R. White
- Department of Cutaneous AllergySt John's Institute of Dermatology, Guy's Hospital London UK
| | - Magnus Lynch
- Department of Cutaneous AllergySt John's Institute of Dermatology, Guy's Hospital London UK
| | - Piu Banerjee
- Department of Cutaneous AllergySt John's Institute of Dermatology, Guy's Hospital London UK
- Department of DermatologyLewisham Hospital London UK
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Moran BM, Miskelly MG, Abdel-Wahab YHA, Flatt PR, McKillop AM. Zinc-induced activation of GPR39 regulates glucose homeostasis through glucose-dependent insulinotropic polypeptide secretion from enteroendocrine K-cells. Biol Chem 2019; 400:1023-1033. [PMID: 30738010 DOI: 10.1515/hsz-2018-0393] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Accepted: 02/01/2019] [Indexed: 01/17/2023]
Abstract
The role of Zn2+-sensing receptor GPR39 on glucose homeostasis and incretin regulation was assessed in enteroendocrine L- and K-cells. Anti-hyperglycaemic, insulinotropic and incretin secreting properties of Zn2+ were explored in normal, diabetic and incretin receptor knockout mice. Compared to intraperitoneal injection, oral administration of Zn2+ (50 μmol/kg body weight) with glucose (18 mmol/kg) in lean mice reduced the glycaemic excursion by 25-34% (p < 0.05-p < 0.001) and enhanced glucose-induced insulin release by 46-48% (p < 0.05-p < 0.01). In diabetic mice, orally administered Zn2+ lowered glucose by 24-31% (p < 0.01) and augmented insulin release by 32% (p < 0.01). In glucagon like peptide-1 (GLP-1) receptor knockout mice, Zn2+ reduced glucose by 15-28% (p < 0.05-p < 0.01) and increased insulin release by 35-43% (p < 0.01). In contrast Zn2+ had no effect on responses of glucose-dependent insulinotropic polypeptide (GIP) receptor knockout mice. Consistent with this, Zn2+ had no effect on circulating total GLP-1 whereas GIP release was stimulated by 26% (p < 0.05) in lean mice. Immunocytochemistry demonstrated GPR39 expression on mouse enteroendocrine L- and K-cells, GLUTag cells and pGIP/Neo STC-1 cells. Zn2+ had a direct effect on GIP secretion from pGIPneo STC-1 cells, increasing GIP secretion by 1.3-fold. GPR39 is expressed on intestinal L- and K-cells, and stimulated GIP secretion plays an integral role in mediating enhanced insulin secretion and glucose tolerance following oral administration of Zn2+. This suggests development of potent and selective GPR39 agonists as a therapeutic approach for diabetes.
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Affiliation(s)
- Brian M Moran
- Department of Biopharmaceutical and Medical Science, Galway-Mayo Institute of Technology, Galway H91 T8NW, Ireland
| | - Michael G Miskelly
- School of Biomedical Sciences, Ulster University, Cromore Road, Coleraine BT52 1SA, UK
| | | | - Peter R Flatt
- School of Biomedical Sciences, Ulster University, Cromore Road, Coleraine BT52 1SA, UK
| | - Aine M McKillop
- School of Biomedical Sciences, Ulster University, Cromore Road, Coleraine BT52 1SA, UK
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Frings VG, Müller D, Storz G, Rossi A, Sennefelder H, Adam C, Goebeler M, Groeber-Becker FK, Schmidt M. Improved metal allergen reactivity of artificial skin models by integration of Toll-like receptor 4-positive cells. Contact Dermatitis 2019; 81:254-261. [PMID: 31198997 DOI: 10.1111/cod.13336] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 05/14/2019] [Accepted: 06/12/2019] [Indexed: 12/27/2022]
Abstract
BACKGROUND Reconstructed human epidermis (RhE) is widely used to replace animal models in order to assess the proinflammatory and allergenic effects of chemicals. Unfortunately, RhE lacks proinflammatory responsiveness for metal haptens, which are the most prevalent human contact allergens, raising concerns about its reliability for predicting skin allergens. OBJECTIVES To investigate whether this limitation of RhE might be attributable to a lack of functional expression of Toll-like receptor 4 (TLR4), which governs proinflammatory sensitivity to nickel and cobalt. MATERIALS AND METHODS RhE, dendritic cell (DC)-containing RhE and full-thickness skin equivalent (FTSE) were compared regarding their proinflammatory responsiveness to metal allergens. RESULTS The incorporation of dermal fibroblasts was sufficient to confer metal sensitivity to RhE. Unlike keratinocytes, normal human fibroblasts expressed high levels of TLR4 mRNA and induced interleukin-8 expression upon stimulation with nickel or cobalt. Consistently, dermal isolates from FTSE expressed considerable amounts of TLR4 mRNA, whereas RhE or epidermis isolated from FTSE, normal human epidermis or inflamed human epidermis failed to express TLR4. Similarly, co-culture with TLR4-positive DCs bestowed RhE with proinflammatory responsiveness to metals. CONCLUSION Our data suggest that FTSE or DC/RhE co-culture models can circumvent the shortcomings of RhE assays, and combine the benefits of complex and monoculture-based test systems in a single assay.
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Affiliation(s)
- Verena G Frings
- Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany
| | - Damaris Müller
- Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany
| | - Gabriel Storz
- Department of Tissue Engineering and Regenerative Medicine (TERM), University Hospital Würzburg, Würzburg, Germany
| | - Angela Rossi
- Translational Center for Regenerative Therapies, Fraunhofer Institute for Silicate Research, Würzburg, Germany
| | - Helga Sennefelder
- Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany
| | - Christian Adam
- Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany
| | - Matthias Goebeler
- Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany
| | - Florian K Groeber-Becker
- Translational Center for Regenerative Therapies, Fraunhofer Institute for Silicate Research, Würzburg, Germany.,Department of Tissue Engineering and Regenerative Medicine (TERM), University Hospital Würzburg, Würzburg, Germany
| | - Marc Schmidt
- Department of Dermatology, Venereology and Allergology, University Hospital Würzburg, Würzburg, Germany
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Li S, Qiu J, Qin L, Peng P, Li C, Mao J, Fang G, Chen Z, Lin S, Fu Y, Cai W, Ding Y. NOD2 negatively regulated titanium particle-induced osteolysis in mice. Biomater Sci 2019; 7:2702-2715. [PMID: 31065630 DOI: 10.1039/c9bm00306a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
For patients undergoing total joint replacement (TJR), one of the complications, aseptic loosening, could cause serious consequences, such as revision surgery. In early research, pattern recognition receptors (PRRs) were reported to play vital roles in recognizing wear particles from the prosthesis and initiating an inflammation response. In this research, we aimed to clarify the role of nucleotide-binding and oligomerization domain containing protein 2 (NOD2), one of the PRRs, in macrophage-induced aseptic loosening in vivo and in vitro. High expressions of NOD2 and TNFα were observed from twenty patients who underwent primary or revision total hip replacements (THR). The effect of NOD2 on the activation of inflammation pathways was observed in RAW264.7 cells and CRISPR-Cas9 NOD2-knockout mice. The expressions of NOD2, the NF-κB pathway, the MAPK pathway and proinflammatory cytokine TNF-α in macrophages stimulated by wear particles were up-regulated. Otherwise, inhibition of NOD2 further up-regulated the expressions of NOD2, the NF-κB pathway, the MAPK pathway and TNF-α. Knockdown of the NOD2 gene enhanced the cranial osteolysis induced by titanium particles in a mouse model. In conclusion, our study demonstrated that NOD2 plays a negative role in osteolysis induced by titanium particles in vitro and in vivo.
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Affiliation(s)
- Shixun Li
- Department of Orthopaedic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China.
| | - Junxiong Qiu
- Department of Orthopaedic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China.
| | - Ling Qin
- Musculoskeletal Research Laboratory Department of Orthopaedics & Taumatology and Innovative Orthopaedic Biomaterial and Drug Translational Research Laboratory of Li Ka Shing Institute of Health Sciences, the Chinese University of Hong Kong, SAR, PR China
| | - Peng Peng
- Department of Orthopaedic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China.
| | - Changchuan Li
- Department of Orthopaedic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China.
| | - Jiaji Mao
- Department of Radiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China
| | - Guibin Fang
- Department of Orthopaedic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China.
| | - Zhong Chen
- Department of Orthopaedic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China.
| | - Sipeng Lin
- Department of Orthopaedic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China.
| | - Yuan Fu
- Department of Orthopaedic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China.
| | - Weibin Cai
- Guangdong Engineering & Technology Research Center for Disease-Model Animals, Laboratory Animal Center and Department of Biochemistry, Zhongshan Medical School, Sun Yat-Sen University, Guangzhou 510080, China.
| | - Yue Ding
- Department of Orthopaedic Surgery, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou 510120, China.
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Helou DG, Martin SF, Pallardy M, Chollet-Martin S, Kerdine-Römer S. Nrf2 Involvement in Chemical-Induced Skin Innate Immunity. Front Immunol 2019; 10:1004. [PMID: 31134077 PMCID: PMC6514534 DOI: 10.3389/fimmu.2019.01004] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 04/18/2019] [Indexed: 12/21/2022] Open
Abstract
Exposure to certain chemicals disturbs skin homeostasis. In particular, protein-reactive chemical contact sensitizers trigger an inflammatory immune response resulting in eczema and allergic contact dermatitis. Chemical sensitizers activate innate immune cells which orchestrate the skin immune response. This involves oxidative and inflammatory pathways. In parallel, the Nrf2/Keap1 pathway, a major ubiquitous regulator of cellular oxidative and electrophilic stress is activated in the different skin innate immune cells including epidermal Langerhans cells and dermal dendritic cells, but also in keratinocytes. In this context, Nrf2 shows a strong protective capacity through the downregulation of both the oxidative stress and inflammatory pathways. In this review we highlight the important role of Nrf2 in the control of the innate immune response of the skin to chemical sensitizers.
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Affiliation(s)
- Doumet Georges Helou
- Inflammation, Chimiokines et Immunopathologie, INSERM UMR996, University Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
| | - Stefan F Martin
- Allergy Research Group, Department of Dermatology, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Marc Pallardy
- Inflammation, Chimiokines et Immunopathologie, INSERM UMR996, University Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
| | - Sylvie Chollet-Martin
- Inflammation, Chimiokines et Immunopathologie, INSERM UMR996, University Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France.,UF Auto-immunité et Hypersensibilités, Hôpital Bichat, APHP, Paris, France
| | - Saadia Kerdine-Römer
- Inflammation, Chimiokines et Immunopathologie, INSERM UMR996, University Paris-Sud, Université Paris-Saclay, Châtenay-Malabry, France
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Moretti S, Smets W, Hofman J, Mubiana KV, Oerlemans E, Vandenheuvel D, Samson R, Blust R, Lebeer S. Human inflammatory response of endotoxin affected by particulate matter-bound transition metals. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 244:118-126. [PMID: 30326385 DOI: 10.1016/j.envpol.2018.09.148] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 09/11/2018] [Accepted: 09/29/2018] [Indexed: 06/08/2023]
Abstract
Bacterial endotoxins are a component of particulate matter (PM) with anticipated health implications, yet we know little about how host reception of endotoxin through toll-like receptor 4 (TLR4) is affected by its association with other PM components. Subsequently, we investigated the relationship between endotoxin concentration (recombinant Factor C (rFC) assay) and host recognition (HEK Blue-TLR4 NF-kB reporter cell line based assay) in various compositions of urban PM, including road traffic, industrial and urban green land use classes. While the assays did not correlate strongly between each other, the TLR4 reporter cell line was found to be better correlated to the IL-8 response of PM. Furthermore, the ability of the quantified endotoxin (rFC assay) to stimulate the TLR4/MD-2 complex was significantly affected by the urban land use class, where traffic locations were found to be significantly higher in bioactive endotoxin than the industrial and green locations. We subsequently turned our attention to PM composition and characterized the samples based on transition metal content (through ICP-MS). The effect of nickel and cobalt - previously reported to activate the hTLR4/MD-2 complex - was found to be negligible in comparison to that of iron. Here, the addition of iron as a factor significantly improved the regression model between the two endotoxin assays, explaining 77% of the variation of the TLR4 stimulation and excluding the significant effect of land use class. Moreover, the effect of iron proved to be more than a correlation, since dosing LPS with Fe2+ led to an increase up to 64% in TLR4 stimulation, while Fe2+ without LPS was unable to stimulate a response. This study shows that endotoxin quantification assays (such as the rFC assay) may not always correspond to human biological recognition of endotoxin in urban PM, while its toxicity can be synergistically influenced by the associated PM composition.
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Affiliation(s)
- Serena Moretti
- Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Wenke Smets
- Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Jelle Hofman
- Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Kayawe Valentine Mubiana
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Eline Oerlemans
- Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Dieter Vandenheuvel
- Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Roeland Samson
- Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Ronny Blust
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Sarah Lebeer
- Environmental Ecology and Applied Microbiology (ENdEMIC), Department of Bioscience Engineering, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium.
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Sarhan M, Land WG, Tonnus W, Hugo CP, Linkermann A. Origin and Consequences of Necroinflammation. Physiol Rev 2018; 98:727-780. [PMID: 29465288 DOI: 10.1152/physrev.00041.2016] [Citation(s) in RCA: 124] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
When cells undergo necrotic cell death in either physiological or pathophysiological settings in vivo, they release highly immunogenic intracellular molecules and organelles into the interstitium and thereby represent the strongest known trigger of the immune system. With our increasing understanding of necrosis as a regulated and genetically determined process (RN, regulated necrosis), necrosis and necroinflammation can be pharmacologically prevented. This review discusses our current knowledge about signaling pathways of necrotic cell death as the origin of necroinflammation. Multiple pathways of RN such as necroptosis, ferroptosis, and pyroptosis have been evolutionary conserved most likely because of their differences in immunogenicity. As the consequence of necrosis, however, all necrotic cells release damage associated molecular patterns (DAMPs) that have been extensively investigated over the last two decades. Analysis of necroinflammation allows characterizing specific signatures for each particular pathway of cell death. While all RN-pathways share the release of DAMPs in general, most of them actively regulate the immune system by the additional expression and/or maturation of either pro- or anti-inflammatory cytokines/chemokines. In addition, DAMPs have been demonstrated to modulate the process of regeneration. For the purpose of better understanding of necroinflammation, we introduce a novel classification of DAMPs in this review to help detect the relative contribution of each RN-pathway to certain physiological and pathophysiological conditions.
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Affiliation(s)
- Maysa Sarhan
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
| | - Walter G Land
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
| | - Wulf Tonnus
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
| | - Christian P Hugo
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
| | - Andreas Linkermann
- Division of Nephrology and Dialysis, Department of Medicine III, Medical University Vienna , Vienna , Austria ; INSERM UMR_S 1109, Laboratory of Excellence Transplantex, University of Strasbourg , Strasbourg , France ; German Academy of Transplantation Medicine, Munich , Germany ; and Division of Nephrology, Department of Internal Medicine III, University Hospital Carl Gustav Carus at the Technische Universität Dresden , Dresden , Germany
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Shutty BG, Scheinman PL. Allergic contact mucositis caused by metal: a covertly located permanent dental retainer. Contact Dermatitis 2018; 78:88-90. [PMID: 29265445 DOI: 10.1111/cod.12848] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2017] [Revised: 05/19/2017] [Accepted: 05/27/2017] [Indexed: 11/30/2022]
Affiliation(s)
- Brandon G Shutty
- Department of Dermatology, Brigham and Women's Hospital, Contact Dermatitis and Occupational Dermatology Program, Harvard Medical School, Boston, MA, 02467, USA
| | - Pamela L Scheinman
- Department of Dermatology, Brigham and Women's Hospital, Contact Dermatitis and Occupational Dermatology Program, Harvard Medical School, Boston, MA, 02467, USA
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38
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Puente Reyna AL, Fritz B, Schwiesau J, Schilling C, Summer B, Thomas P, Grupp TM. Metal ion release barrier function and biotribological evaluation of a zirconium nitride multilayer coated knee implant under highly demanding activities wear simulation. J Biomech 2018; 79:88-96. [DOI: 10.1016/j.jbiomech.2018.07.043] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 07/20/2018] [Accepted: 07/31/2018] [Indexed: 12/13/2022]
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39
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Wade MF, Collins MK, Richards D, Mack DG, Martin AK, Dinarello CA, Fontenot AP, McKee AS. TLR9 and IL-1R1 Promote Mobilization of Pulmonary Dendritic Cells during Beryllium Sensitization. THE JOURNAL OF IMMUNOLOGY 2018; 201:2232-2243. [PMID: 30185516 DOI: 10.4049/jimmunol.1800303] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 08/13/2018] [Indexed: 11/19/2022]
Abstract
Metal-induced hypersensitivity is driven by dendritic cells (DCs) that migrate from the site of exposure to the lymph nodes, upregulate costimulatory molecules, and initiate metal-specific CD4+ T cell responses. Chronic beryllium disease (CBD), a life-threatening metal-induced hypersensitivity, is driven by beryllium-specific CD4+ Th1 cells that expand in the lung-draining lymph nodes (LDLNs) after beryllium exposure (sensitization phase) and are recruited back to the lung, where they orchestrate granulomatous lung disease (elicitation phase). To understand more about how beryllium exposures impact DC function during sensitization, we examined the early events in the lung and LDLNs after pulmonary exposure to different physiochemical forms of beryllium. Exposure to soluble or crystalline forms of beryllium induced alveolar macrophage death/release of IL-1α and DNA, enhanced migration of CD80hi DCs to the LDLNs, and sensitized HLA-DP2 transgenic mice after single low-dose exposures, whereas exposures to insoluble particulate forms beryllium did not. IL-1α and DNA released by alveolar macrophages upregulated CD80 on immature BMDC via IL-1R1 and TLR9, respectively. Intrapulmonary exposure of mice to IL-1R and TLR9 agonists without beryllium was sufficient to drive accumulation of CD80hi DCs in the LDLNs, whereas blocking both pathways prevented accumulation of CD80hi DCs in the LDLNs of beryllium-exposed mice. Thus, in contrast to particulate forms of beryllium, which are poor sensitizers, soluble or crystalline forms of beryllium promote death of alveolar macrophages and their release of IL-1α and DNA, which act as damage-associated molecular pattern molecules to enhance DC function during beryllium sensitization.
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Affiliation(s)
- Morgan F Wade
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Morgan K Collins
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Denay Richards
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045.,Webb Waring Summer Research Program, University of Colorado Anschutz Medical Campus, Aurora, CO 80045; and
| | - Douglas G Mack
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Allison K Martin
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Charles A Dinarello
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Andrew P Fontenot
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045.,Department of Microbiology and Immunology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
| | - Amy S McKee
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO 80045; .,Department of Microbiology and Immunology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045
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40
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Abstract
About 20% of the general population is contact-sensitized to common haptens such as fragrances, preservatives, and metals. Many also develop allergic contact dermatitis (ACD), the clinical manifestation of contact sensitization. ACD represents a common health issue and is also one of the most important occupational diseases. Although this inflammatory skin disease is mediated predominantly by memory T lymphocytes recognizing low-molecular-weight chemicals after skin contact, the innate immune system also plays an important role. Along that line, the presence of irritants may increase the risk of ACD and therefore ACD is often seen in the context of irritant contact dermatitis. In this review article, we discuss recent progress in basic research that has dramatically increased our understanding of the pathomechanisms of ACD and provides a basis for the development of novel diagnostic and therapeutic measures. Current methods for diagnosis as well as treatment options of ACD are also discussed.
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Affiliation(s)
- Stefan F Martin
- Allergy Research Group, Department of Dermatology, Faculty of Medicine, University of Freiburg, Freiburg, D-79104, Germany
| | - Thomas Rustemeyer
- Department of Dermatology, VU University Medical Centre (VUmc), De Boelelaan 1117, Amsterdam, 1081HV, Netherlands
| | - Jacob P Thyssen
- Department of Dermatology and Allergy, Herlev and Gentofte Hospital, Hellerup, DK-2900, Denmark
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41
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Altered Expression of Toll-like Receptors in Human Oral Epithelium in Oral Lichenoid Reactions. Am J Dermatopathol 2018; 39:811-818. [PMID: 28027081 DOI: 10.1097/dad.0000000000000807] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Oral lichenoid reactions (OLRs) are chronic inflammatory lesions induced by contact with allergens. Toll-like receptors (TLRs) are members of pattern-recognition receptor superfamily. Once activated, TLRs induce production of cytokines and chemokines, thus leading to inflammatory reaction in host tissue. In the present study, we aimed to investigate the potential role of TLRs in the initiation and perpetuation of OLRs, in which TLRs induce innate immune responses mounted against allergens. TLRs, 1 through 10, were mapped in tissue samples obtained from healthy donors and OLR patients using real-time quantitative reverse transcription polymerase chain reaction, immunostaining, and image analyses. We found that the immunoreactivity for all TLRs was increased in OLRs, except for TLR5, which was noticeably reduced. Gene analysis revealed that TLR1, TLR2, TLR4, TLR7, TLR8, and TLR9 transcripts were upregulated in OLRs compared with controls. In contrast, expression of TLR3, TLR5, and TLR6 genes were negatively regulated in OLRs. TLR10 remained unchanged in both groups. In conclusion, TLRs expression is deranged in OLRs in which TLRs could be sensitized by allergens and haptens derived from dental restorations. TLR reactivity is further enhanced by recruitment of T lymphocytes forming a diffuse lymphocytic infiltrate and thus creating a proinflammatory loop cycle. These findings suggest that TLRs are involved in OLRs and pave the way for alternative cost-effective therapeutic intervention.
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42
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Anjum SA, Lawrence H, Holland JP, Kirby JA, Deehan DJ, Tyson-Capper AJ. Effect of cobalt-mediated Toll-like receptor 4 activation on inflammatory responses in endothelial cells. Oncotarget 2018; 7:76471-76478. [PMID: 27835611 PMCID: PMC5363524 DOI: 10.18632/oncotarget.13260] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Accepted: 11/02/2016] [Indexed: 11/25/2022] Open
Abstract
Cobalt-containing metal-on-metal hip replacements are associated with adverse reactions to metal debris (ARMD), including inflammatory pseudotumours, osteolysis, and aseptic implant loosening. The exact cellular and molecular mechanisms leading to these responses are unknown. Cobaltions (Co2+) activate human Toll-like receptor 4 (TLR4), an innate immune receptor responsible for inflammatory responses to Gram negative bacterial lipopolysaccharide (LPS). We investigated the effect of Co2+-mediated TLR4 activation on human microvascular endothelial cells (HMEC-1), focusing on the secretion of key inflammatory cytokines and expression of adhesion molecules. We also studied the role of TLR4 in Co2+-mediated adhesion molecule expression in MonoMac 6 macrophages. We show that Co2+ increases secretion of inflammatory cytokines, including IL-6 and IL-8, in HMEC-1. The effects are TLR4-dependent as they can be prevented with a small molecule TLR4 antagonist. Increased TLR4-dependent expression of intercellular adhesion molecule 1 (ICAM1) was also observed in endothelial cells and macrophages. Furthermore, we demonstrate for the first time that Co2+ activation of TLR4 upregulates secretion of a soluble adhesion molecule, sICAM-1, in both endothelial cells and macrophages. Although sICAM-1 can be generated through activity of matrix metalloproteinase-9 (MMP-9), we did not find any changes in MMP9 expression following Co2+ stimulation. In summary we show that Co2+ can induce endothelial inflammation via activation of TLR4. We also identify a role for TLR4 in Co2+-mediated changes in adhesion molecule expression. Finally, sICAM-1 is a novel target for further investigation in ARMD studies.
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Affiliation(s)
- Sami A Anjum
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Helen Lawrence
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK.,Northern Retrieval Centre, Freeman Hospital, Newcastle upon Tyne, UK
| | - James P Holland
- Department of Orthopaedics, Freeman Hospital, Newcastle upon Tyne, UK.,Northern Retrieval Centre, Freeman Hospital, Newcastle upon Tyne, UK
| | - John A Kirby
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - David J Deehan
- Department of Orthopaedics, Freeman Hospital, Newcastle upon Tyne, UK.,Northern Retrieval Centre, Freeman Hospital, Newcastle upon Tyne, UK
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43
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Assessment of metal sensitizer potency with the reconstructed human epidermis IL-18 assay. Toxicology 2018; 393:62-72. [DOI: 10.1016/j.tox.2017.10.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Revised: 10/20/2017] [Accepted: 10/23/2017] [Indexed: 11/20/2022]
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Abstract
Contact sensitization is the initial process involved in the development of an allergic reaction to xenobiotic environmental substances. Here, we briefly describe the differences between irritant and allergic contact dermatitis. Then, we highlight the essential steps involved in the development of an ACD reaction, i.e., the protein binding of haptens, genetic factors influencing the penetration of sensitizers into the skin, the different mechanisms driving the initial development of an inflammatory cytokine micromilieu enabling the full maturation of dendritic cells, the role of pre- and pro-haptens, antigen presentation and T cell activation via MHC and CD1 molecules, dendritic cell (DC) migration, and potential LC contribution as well as the different T cell subsets involved in ACD. In addition, we discuss the latest publications regarding factors that might influence the sensitizing potential such as repeated sensitizer application, penetration enhancers, humidity of the skin, microbiota, Tregs, and phthalates. Last but not least, we briefly touch upon novel targets for drug development that might serve as treatment options for ACD.
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Affiliation(s)
- Philipp R Esser
- Allergy Research Group, Department of Dermatology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hauptstrasse 7, 79104, Freiburg im Breisgau, Germany.
| | - Stefan F Martin
- Allergy Research Group, Department of Dermatology, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Hauptstrasse 7, 79104, Freiburg im Breisgau, Germany
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45
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Mu Y, Godar DE, Merrill SJ. A perspective on the challenges and issues in developing biomarkers for human allergic risk assessments. Biomark Med 2017; 11:523-526. [PMID: 28700260 DOI: 10.2217/bmm-2017-0137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
- Ying Mu
- Center for Devices & Radiological Health, U.S. Food & Drug Administration, 10903 New Hampshire Ave., Silver Spring, MD 20993, USA
| | - Dianne E Godar
- Center for Devices & Radiological Health, U.S. Food & Drug Administration, 10903 New Hampshire Ave., Silver Spring, MD 20993, USA
| | - Stephen J Merrill
- Department of Mathematics, Statistics & Computer Science, Marquette University, Milwaukee, WI 53201-1881, USA
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46
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Pallardy M, Bechara R. Chemical or Drug Hypersensitivity: Is the Immune System Clearing the Danger? Toxicol Sci 2017; 158:14-22. [DOI: 10.1093/toxsci/kfx084] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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47
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Koppes S, Ljubojevic Hadzavdic S, Jakasa I, Franceschi N, Jurakić Tončić R, Marinović B, Brans R, Gibbs S, Frings-Dresen M, Rustemeyer T, Kezic S. Stratum corneum profiles of inflammatory mediators in patch test reactions to common contact allergens and sodium lauryl sulfate. Br J Dermatol 2017; 176:1533-1540. [DOI: 10.1111/bjd.15163] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/28/2016] [Indexed: 12/19/2022]
Affiliation(s)
- S.A. Koppes
- Coronel Institute of Occupational Health; Academic Medical Center; University of Amsterdam; Meibergdreef 9 1105AZ Amsterdam the Netherlands
- Department of Dermatology-Allergology; VU University Medical Center; Amsterdam the Netherlands
| | - S. Ljubojevic Hadzavdic
- Department of Dermatology and Venereology; University Hospital Center; Zagreb and University of Zagreb School of Medicine; Zagreb Croatia
| | - I. Jakasa
- Laboratory for Analytical Chemistry; Department of Chemistry and Biochemistry; Faculty of Food Technology and Biotechnology; University of Zagreb; Zagreb Croatia
| | - N. Franceschi
- Department of Dermatology and Venereology; University Clinical Hospital Centre ‘Sestre Milosrdnice’; Zagreb Croatia
| | - R. Jurakić Tončić
- Department of Dermatology and Venereology; University Hospital Center; Zagreb and University of Zagreb School of Medicine; Zagreb Croatia
| | - B. Marinović
- Department of Dermatology and Venereology; University Hospital Center; Zagreb and University of Zagreb School of Medicine; Zagreb Croatia
| | - R. Brans
- Department of Dermatology, Environmental Medicine and Health Theory; University of Osnabrück; Osnabrück Germany
| | - S. Gibbs
- Department of Dermatology-Allergology; VU University Medical Center; Amsterdam the Netherlands
- Department of Oral Cell Biology; Academic Centre for Dentistry Amsterdam (ACTA); University of Amsterdam and Vrije Universiteit Amsterdam; Amsterdam the Netherlands
| | - M.H.W. Frings-Dresen
- Coronel Institute of Occupational Health; Academic Medical Center; University of Amsterdam; Meibergdreef 9 1105AZ Amsterdam the Netherlands
| | - T. Rustemeyer
- Department of Dermatology-Allergology; VU University Medical Center; Amsterdam the Netherlands
| | - S. Kezic
- Coronel Institute of Occupational Health; Academic Medical Center; University of Amsterdam; Meibergdreef 9 1105AZ Amsterdam the Netherlands
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48
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Systemic sclerosis and exposure to heavy metals: A case control study of 100 patients and 300 controls. Autoimmun Rev 2017; 16:223-230. [DOI: 10.1016/j.autrev.2017.01.004] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 10/26/2016] [Indexed: 12/20/2022]
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49
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Rachmawati D, von Blomberg BME, Kleverlaan CJ, Scheper RJ, van Hoogstraten IMW. Immunostimulatory capacity of dental casting alloys on endotoxin responsiveness. J Prosthet Dent 2016; 117:677-684. [PMID: 27881328 DOI: 10.1016/j.prosdent.2016.08.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2015] [Revised: 08/19/2016] [Accepted: 08/19/2016] [Indexed: 12/27/2022]
Abstract
STATEMENT OF PROBLEM Oral metal exposure has been associated with systemic and local adverse reactions, probably due to elemental release from the alloys. Although supraphysiological concentrations of salts from dentally applied metals can activate innate cells through TLR4 (Ni, Co, Pd) and TLR3 (Au), whether direct exposure to solid alloys can also trigger innate immune reactivity is still unknown. PURPOSE The purpose of this in vitro study was to determine whether dental cast alloy specimens can activate innate cells and influence their responsiveness to bacterial endotoxin. MATERIAL AND METHODS Human monocyte-derived dendritic cells (MoDC) and THP-1 cells were cultured on top of different alloy specimens (Ni-Cr, Co-Cr, Pd-Cu, Pd-Ag, Ti-6Al-4V, amalgam, gold, and stainless steel) or in alloy-exposed culture medium with or without endotoxin (lipopolysaccharide [LPS]; Escherichia coli 055:B5). Interleukin-8 (IL-8) production was used as the parameter for innate stimulation and evaluated by enzyme-linked immunosorbent assay after 24 hours of culture. The statistical significance of the effects of various casting alloys on the secretion of IL-8 was analyzed by using the nonparametric Wilcoxon rank sum test (α=.05). RESULTS Dental cast alloys induced IL-8 production in MoDC and THP-1 cells, with Au and Pd-Cu providing the strongest stimulation. The alloy-exposed culture media tested contained sufficient stimulatory metal ions to induce detectable IL-8 production in THP-1 cells, except for the Ni-Cr and stainless steel exposed media. Au and Pd-Cu alloys were also most effective in potentiating LPS responsiveness as measured by IL-8 production. CONCLUSIONS Using an in vitro culture system to expose MoDC and THP-1 cells to different alloy specimens this study showed that contact with the solid alloys, in particular when they contain Pd or Au, can trigger innate immune responses and augment responsiveness to bacterial endotoxin.
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Affiliation(s)
- Dessy Rachmawati
- Postgraduate student, Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands; and Lecturer, Department of Biomedical Science, Faculty of Dentistry, University of Jember, Jember, Indonesia.
| | - B Mary E von Blomberg
- Medical Immunologist, Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands
| | - Cornelis J Kleverlaan
- Professor, Department of Dental Materials Science, Academic Center for Dentistry Amsterdam, VU University Amsterdam and University of Amsterdam, The Netherlands
| | - Rik J Scheper
- Professor, Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands
| | - Ingrid M W van Hoogstraten
- Associate Professor, Medical Immunologist, Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands
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50
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Le Guernic A, Sanchez W, Palluel O, Bado-Nilles A, Floriani M, Turies C, Chadili E, Vedova CD, Cavalié I, Adam-Guillermin C, Porcher JM, Geffard A, Betoulle S, Gagnaire B. Acclimation capacity of the three-spined stickleback (Gasterosteus aculeatus, L.) to a sudden biological stress following a polymetallic exposure. ECOTOXICOLOGY (LONDON, ENGLAND) 2016; 25:1478-1499. [PMID: 27475951 DOI: 10.1007/s10646-016-1699-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/14/2016] [Indexed: 06/06/2023]
Abstract
To get closer to the environmental reality, ecotoxicological studies should no longer consider the evaluation of a single pollutant, but rather combination of stress and their interaction. The aim of this study was to determine if responses of a fish to a sudden biological stress could be modified by a prior exposure to a chemical stress (a polymetallic contamination). For this purpose, in situ experiment was conducted in three ponds in the Haute-Vienne department (France). One pond was chosen for its high uranium concentration due to uranium mine tailings, and the two other ponds, which were not submitted to these tailings. Three-spined sticklebacks (Gasterosteus aculeatus) were caged in these ponds for 14 days. After this period, fish were submitted to a biological stress, exerted by lipopolysaccharides injection after anesthesia, and were sacrificed 4 days after these injections for multi-biomarkers analyses (leucocyte viability, phagocytic capacity and reactive oxygen species production, antioxidant peptide and enzymes, lipid peroxidation and DNA damage). The pond which received uranium mine tailings had higher metallic concentrations. Without biological stress, sticklebacks caged in this pond presented an oxidative stress, with increasing of reactive oxygen species levels, modification of some parts of the antioxidant system, and lipid peroxidation. Caging in the two most metal-contaminated ponds resulted in an increase of susceptibility of sticklebacks to the biological stress, preventing their phagocytic responses to lipopolysaccharides and modifying their glutathione contents and glutathione-S-transferase activity.
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Affiliation(s)
- Antoine Le Guernic
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France.
- Centre de Cadarache, PRP-ENV/SERIS/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), 13115, Saint-Paul-Lez-Durance, France.
- UFR Sciences Exactes et Naturelles, UMR-I 02 SEBIO, Université de Reims Champagne-Ardenne (URCA), Campus Moulin de la Housse, B.P. 1039, 51687, Reims, France.
| | - Wilfried Sanchez
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France
| | - Olivier Palluel
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France
| | - Anne Bado-Nilles
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France
| | - Magali Floriani
- Centre de Cadarache, PRP-ENV/SERIS/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), 13115, Saint-Paul-Lez-Durance, France
| | - Cyril Turies
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France
| | - Edith Chadili
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France
| | - Claire Della Vedova
- Centre de Cadarache, PRP-ENV/SERIS/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), 13115, Saint-Paul-Lez-Durance, France
| | - Isabelle Cavalié
- Centre de Cadarache, PRP-ENV/SERIS/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), 13115, Saint-Paul-Lez-Durance, France
| | - Christelle Adam-Guillermin
- Centre de Cadarache, PRP-ENV/SERIS/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), 13115, Saint-Paul-Lez-Durance, France
| | - Jean-Marc Porcher
- UMR-I 02 SEBIO (Stress Environnementaux et Biosurveillance des milieux aquatiques), Institut National de l'Environnement Industriel et des Risques (INERIS), BP 2, 60550, Verneuil-En-Halatte, France
| | - Alain Geffard
- UFR Sciences Exactes et Naturelles, UMR-I 02 SEBIO, Université de Reims Champagne-Ardenne (URCA), Campus Moulin de la Housse, B.P. 1039, 51687, Reims, France
| | - Stéphane Betoulle
- UFR Sciences Exactes et Naturelles, UMR-I 02 SEBIO, Université de Reims Champagne-Ardenne (URCA), Campus Moulin de la Housse, B.P. 1039, 51687, Reims, France
| | - Béatrice Gagnaire
- Centre de Cadarache, PRP-ENV/SERIS/LECO, Institut de Radioprotection et de Sûreté Nucléaire (IRSN), 13115, Saint-Paul-Lez-Durance, France
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