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Bao C, Abraham SN. Mast cell-sensory neuron crosstalk in allergic diseases. J Allergy Clin Immunol 2024; 153:939-953. [PMID: 38373476 PMCID: PMC10999357 DOI: 10.1016/j.jaci.2024.02.005] [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: 06/15/2023] [Revised: 01/12/2024] [Accepted: 02/14/2024] [Indexed: 02/21/2024]
Abstract
Mast cells (MCs) are tissue-resident immune cells, well-positioned at the host-environment interface for detecting external antigens and playing a critical role in mobilizing innate and adaptive immune responses. Sensory neurons are afferent neurons innervating most areas of the body but especially in the periphery, where they sense external and internal signals and relay information to the brain. The significance of MC-sensory neuron communication is now increasingly becoming recognized, especially because both cell types are in close physical proximity at the host-environment interface and around major organs of the body and produce specific mediators that can activate each other. In this review, we explore the roles of MC-sensory neuron crosstalk in allergic diseases, shedding light on how activated MCs trigger sensory neurons to initiate signaling in pruritus, shock, and potentially abdominal pain in allergy, and how activated sensory neurons regulate MCs in homeostasis and atopic dermatitis associated with contact hypersensitivity and type 2 inflammation. Throughout the review, we also discuss how these 2 sentinel cell types signal each other, potentially resulting in a positive feedback loop that can sustain inflammation. Unraveling the mysteries of MC-sensory neuron crosstalk is likely to unveil their critical roles in various disease conditions and enable the development of new therapeutic approaches to combat these maladies.
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Affiliation(s)
- Chunjing Bao
- Department of Pathology, Duke University Medical Center, Durham, NC
| | - Soman N Abraham
- Department of Pathology, Duke University Medical Center, Durham, NC; Department of Immunology, Duke University Medical Center, Durham, NC; Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC; Department of Program in Emerging Infectious Diseases, Duke-National University of Singapore, Singapore, Singapore.
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Olejnik A, Gornowicz-Porowska J, Jenerowicz D, Polańska A, Dobrzyńska M, Przysławski J, Sansone A, Ferreri C. Fatty Acids Profile and the Relevance of Membranes as the Target of Nutrition-Based Strategies in Atopic Dermatitis: A Narrative Review. Nutrients 2023; 15:3857. [PMID: 37686888 PMCID: PMC10489657 DOI: 10.3390/nu15173857] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 08/26/2023] [Accepted: 09/01/2023] [Indexed: 09/10/2023] Open
Abstract
Recently, the prevalence of atopic dermatitis has increased drastically, especially in urban populations. This multifactorial skin disease is caused by complex interactions between various factors including genetics, environment, lifestyle, and diet. In eczema, apart from using an elimination diet, the adequate content of fatty acids from foods (saturated, monounsaturated, and polyunsaturated fatty acids) plays an important role as an immunomodulatory agent. Different aspects regarding atopic dermatitis include connections between lipid metabolism in atopic dermatitis, with the importance of the MUFA levels, as well as of the omega-6/omega-3 balance that affects the formation of long-chain (C20 eicosanoic and C22 docosaenoic) fatty acids and bioactive lipids from them (such as prostaglandins). Impair/repair of the functioning of epidermal barrier is influenced by these fatty acid levels. The purpose of this review is to drive attention to membrane fatty acid composition and its involvement as the target of fatty acid supplementation. The membrane-targeted strategy indicates the future direction for dermatological research regarding the use of nutritional synergies, in particular using red blood cell fatty acid profiles as a tool for checking the effects of supplementations to reach the target and influence the inflammatory/anti-inflammatory balance of lipid mediators. This knowledge gives the opportunity to develop personalized strategies to create a healthy balance by nutrition with an anti-inflammatory outcome in skin disorders.
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Affiliation(s)
- Anna Olejnik
- Faculty of Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland;
- Centre for Advanced Technology, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 10, 61-614 Poznań, Poland
| | - Justyna Gornowicz-Porowska
- Department and Division of Practical Cosmetology and Skin Diseases Prophylaxis, Poznan University of Medicinal Sciences, Rokietnicka 3, 60-806 Poznań, Poland
| | - Dorota Jenerowicz
- Department of Dermatology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-356 Poznań, Poland; (D.J.); (A.P.)
| | - Adriana Polańska
- Department of Dermatology, Poznan University of Medical Sciences, Przybyszewskiego 49, 60-356 Poznań, Poland; (D.J.); (A.P.)
| | - Małgorzata Dobrzyńska
- Department of Bromatology, Poznan University of Medical Sciences, Rokietnica 3, 60-806 Poznań, Poland; (M.D.); (J.P.)
| | - Juliusz Przysławski
- Department of Bromatology, Poznan University of Medical Sciences, Rokietnica 3, 60-806 Poznań, Poland; (M.D.); (J.P.)
| | - Anna Sansone
- Istituto per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale Delle Ricerche, Via Piero Gobetti 101, 40129 Bologna, Italy;
| | - Carla Ferreri
- Istituto per la Sintesi Organica e la Fotoreattività, Consiglio Nazionale Delle Ricerche, Via Piero Gobetti 101, 40129 Bologna, Italy;
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Podder I, Mondal H, Gayen RK. Global Research Trend on Allergic Skin Disorders: A Bibliometric Analysis from 2001 to 2020. Indian Dermatol Online J 2023; 14:342-346. [PMID: 37266090 PMCID: PMC10231709 DOI: 10.4103/idoj.idoj_481_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2022] [Revised: 12/26/2022] [Accepted: 12/31/2022] [Indexed: 06/03/2023] Open
Abstract
Background Allergic skin disorders constitute a variety of inflammatory skin disorders with increasing incidence. Bibliometric studies involve a statistical analysis of academic literature to assess the current research trend and identify knowledge gaps. There is a dearth of such studies concerning allergic skin disorders. Aim To perform a bibliometric analysis of global research concerning allergic skin disorders from 2001 to 2020. Materials and Methods We obtained all data from the Web of Science using the keywords "atopic dermatitis," "contact dermatitis," "skin allergy," "urticaria," "food allergy," and "drug allergy." Only articles in English language were included. Subsequent analysis revealed the total number of publications, top journals, institutions, and countries, thus highlighting the overall research trend. Results Overall 76,764 articles were published on allergic skin disorders from 2001 to 2020 (original articles > review articles). The United States of America (USA) contributed maximum publications (26.1%) followed by Germany (9.6%), Japan (8.2%), and England (8.1%). The Allergy is the most preferred journal for publishing skin allergy research. Most research concentrated on atopic dermatitis, pathomechanisms of allergic disorders, and their primary prevention. Conclusion This study evaluates the current landscape of skin allergy research. There has been a consistent increase in the number of publications concerning allergic skin disorders over the years. However, majority of the research publications are from developed countries. Hence, skin allergy-related research publication should be increased for diverse and enriched literary evidences.
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Affiliation(s)
- Indrashis Podder
- Department of Dermatology, Venereology and Leprosy, College of Medicine and Sagore Dutta Hospital, Kolkata, West Bengal, India
| | - Himel Mondal
- Department of Physiology, All India Institute of Medical Sciences, Deoghar, Jharkhand, India
| | - Rintu K. Gayen
- Department of Electronics and Communication Engineering, Institute of Engineering and Management, Kolkata, West Bengal, India
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Jesus A, Sebastião AI, Brites G, Correia-da-Silva M, Cidade H, Cruz MT, Sousa E, Almeida IF. A Hydrophilic Sulfated Resveratrol Derivative for Topical Application: Sensitization and Anti-Allergic Potential. Molecules 2023; 28:molecules28073158. [PMID: 37049922 PMCID: PMC10096149 DOI: 10.3390/molecules28073158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/27/2023] [Accepted: 03/31/2023] [Indexed: 04/05/2023] Open
Abstract
Resveratrol (RSV), a naturally occurring metabolite, is widely used in skincare products, but its hydrophobicity impairs its own incorporation into cosmetic formulations. RSV-GS is a synthetic hydrophilic sulfated glycosylated derivative inspired by marine natural products that present a lower cytotoxicity than RSV while exhibiting similar levels of bioactivity. Herein, we predict the skin sensitization potential of this new compound using an in vitro approach based on the OECD 442E guideline. Furthermore, the anti-allergic potential of RSV-GS was also disclosed. The monocyte THP-1 cell line was stimulated with RSV and RSV-GS in the presence or absence of the extreme skin allergen 1-fluoro-2,4-dinitrobenzene (DNFB). The results demonstrated that RSV-GS alone (500 µM) evoked a relative fluorescence index (RFI) lower than the thresholds established by the OECD guideline for CD54 (200%) and CD86 (150%), indicating the absence of a skin sensitization potential. Interestingly, in the presence of the skin allergen DNFB, RSV-GS exhibited the ability to rescue the DNFB-induced maturation of THP-1 cells, with RFI values lower than those for RSV, suggesting the potential of RSV-GS to mitigate skin sensitization evoked by allergens and, consequently, allergic contact dermatitis. These results open new avenues for the use of RSV-GS as a safe and anti-allergic active cosmetic ingredient.
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Affiliation(s)
- Ana Jesus
- UCIBIO—Applied Molecular Biosciences Unit, MedTech, Laboratory of Pharmaceutical Technology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- Associate Laboratory i4HB, Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Ana I. Sebastião
- Faculty of Pharmacy, University of Coimbra, 3004-531 Coimbra, Portugal
- Center for Neurosciences and Cell Biology, 3004-504 Coimbra, Portugal
| | - Gonçalo Brites
- Faculty of Pharmacy, University of Coimbra, 3004-531 Coimbra, Portugal
- Center for Neurosciences and Cell Biology, 3004-504 Coimbra, Portugal
| | - Marta Correia-da-Silva
- Laboratory of Pharmaceutical and Organic Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- CIIMAR—Interdisciplinar Centre of Marine and Environmental Research, Avenida General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal
| | - Honorina Cidade
- Laboratory of Pharmaceutical and Organic Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- CIIMAR—Interdisciplinar Centre of Marine and Environmental Research, Avenida General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal
| | - Maria T. Cruz
- Faculty of Pharmacy, University of Coimbra, 3004-531 Coimbra, Portugal
- Center for Neurosciences and Cell Biology, 3004-504 Coimbra, Portugal
| | - Emília Sousa
- Laboratory of Pharmaceutical and Organic Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- CIIMAR—Interdisciplinar Centre of Marine and Environmental Research, Avenida General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal
| | - Isabel F. Almeida
- UCIBIO—Applied Molecular Biosciences Unit, MedTech, Laboratory of Pharmaceutical Technology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
- Associate Laboratory i4HB, Institute for Health and Bioeconomy, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
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Alsulami S, Aldoboke A, Nooh R, Kalifih O, Khan S, Marglani O. Prevalence of Asthma, Allergic Rhinitis, and Atopic Dermatitis and Their Association With Oral Health in Saudi Arabia. Cureus 2023; 15:e38061. [PMID: 37234145 PMCID: PMC10208278 DOI: 10.7759/cureus.38061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/24/2023] [Indexed: 05/27/2023] Open
Abstract
Background The word "atopy" is frequently used to describe immunoglobulin E (IgE)-mediated diseases. The prevalence of atopic dermatitis, allergic rhinitis, and asthma is increasing and disconcerting in Saudi Arabia. This study aims to investigate the association between allergic rhinitis, atopic dermatitis, asthma, and oral health among adults in the Makkah region of Saudi Arabia. Methods A cross-sectional study of 726 adults using an electronic questionnaire was adopted. The study was carried out from January to December 2022. The questionnaire included demographic data, patients' diseases in response to inclusion and exclusion criteria, oral health status and symptoms, and dental health-related behaviors. Results Most participants were aged from 18 to <40 years (79.1%). More than half of the participants were females (53.6%); 39.7% of participants had poor oral health. Poor health was significantly higher among obese subjects as well as those with lower levels of physical activity, higher perceived levels of stress, those who received a sealant, and those who brushed their teeth for ≤ one time per day. The results showed that the individual symptoms of oral health did not associate significantly with being diagnosed with allergic rhinitis or asthma in the past 12 months. However, atopic dermatitis was independently associated with a chipped or broken tooth (OR = 1.52) and pain in the tongue or inside the cheeks (OR = 3.57). Conclusion Poor oral health was significantly associated with atopic dermatitis in Saudi adults. Some systemic diseases are considered chronic diseases, and they are multifactorial; thus, we cannot claim that periodontal pathogens are the definite cause of systemic infections. More studies are necessary to find a definitive association.
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Affiliation(s)
- Seham Alsulami
- College of Medicine, Umm Al-Qura University, Makkah, SAU
| | - Amal Aldoboke
- College of Medicine, Umm Al-Qura University, Makkah, SAU
| | - Raghad Nooh
- College of Medicine, Umm Al-Qura University, Makkah, SAU
| | - Ola Kalifih
- College of Medicine, Umm Al-Qura University, Makkah, SAU
| | - Somayya Khan
- College of Medicine, Umm Al-Qura University, Makkah, SAU
| | - Osama Marglani
- Otolaryngology-Head and Neck Surgery, King Faisal Specialist Hospital and Research Centre, Jeddah, SAU
- Otolaryngology-Head & Neck Surgery, Umm Al-Qura University, Makkah, SAU
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Tihăuan BM, Pircalabioru GG, Axinie (Bucos) M, Marinaș IC, Nicoară AC, Măruțescu L, Oprea O, Matei E, Maier SS. Crosslinked Collagenic Scaffold Behavior Evaluation by Physico-Chemical, Mechanical and Biological Assessments in an In Vitro Microenvironment. Polymers (Basel) 2022; 14:polym14122430. [PMID: 35746006 PMCID: PMC9227487 DOI: 10.3390/polym14122430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 05/31/2022] [Accepted: 06/08/2022] [Indexed: 12/15/2022] Open
Abstract
Wound healing-associated difficulties continue to drive biotechnological creativeness into complex grounds. The sophisticated architecture of skin wound sites and the intricate processes involved in the response to the use of regenerative devices play a critical role in successful skin regeneration approaches and their possible outcomes. Due to a plethora of complications involved in wound healing processes as well as the coordination of various cellular mechanisms, biomimetic approaches seems to be the most promising starting ground. This study evaluates the behavior of a crosslinked, porous collagen scaffold obtained by lyophilization and dehydrothermal reticulation (DHT). We address the key physio-chemical and mechanical factors, such as swelling, density and porosity, mechano-dynamic properties, SEM and TG-DSC, as well as important biological outcomes regarding scaffold biocompatibility and cellular metabolic activity, cytokine expression in inflammation, apoptosis and necrosis, as well as hemocompatibility and biodegradation. The mechanical and visco-elastic behavior are correlated, with the samples found to present similar thermal behavior and increased rigidity after DHT treatment. High biocompatibility rates were obtained, with no inflammatory stimulation and a reduction in necrotic cells. Higher percentages of cellular early apoptosis were observed. The hemocompatibility rate was under 2%, coagulation effects expressed after 4 min, and the DHT scaffold was more resistant to the biodegradation of collagenase compared with the untreated sample.
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Affiliation(s)
- Bianca-Maria Tihăuan
- Research & Development for Advanced Biotechnologies and Medical Devices, SC Sanimed International Impex SRL, 087040 Călugăreni, Romania; (B.-M.T.); (M.A.); (I.C.M.); (S.S.M.)
- Research Institute of the University of Bucharest—ICUB, 91-95 Spl. Independentei, 50567 Bucharest, Romania;
| | - Gratiela Gradisteanu Pircalabioru
- Research & Development for Advanced Biotechnologies and Medical Devices, SC Sanimed International Impex SRL, 087040 Călugăreni, Romania; (B.-M.T.); (M.A.); (I.C.M.); (S.S.M.)
- Research Institute of the University of Bucharest—ICUB, 91-95 Spl. Independentei, 50567 Bucharest, Romania;
- Academy of Romanian Scientists, Ilfov Street 3, 050054 Bucharest, Romania;
- Correspondence:
| | - Mădălina Axinie (Bucos)
- Research & Development for Advanced Biotechnologies and Medical Devices, SC Sanimed International Impex SRL, 087040 Călugăreni, Romania; (B.-M.T.); (M.A.); (I.C.M.); (S.S.M.)
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 1-7 Gh. Polizu Street, 011061 Bucharest, Romania
| | - Ioana Cristina Marinaș
- Research & Development for Advanced Biotechnologies and Medical Devices, SC Sanimed International Impex SRL, 087040 Călugăreni, Romania; (B.-M.T.); (M.A.); (I.C.M.); (S.S.M.)
- Research Institute of the University of Bucharest—ICUB, 91-95 Spl. Independentei, 50567 Bucharest, Romania;
| | - Anca-Cecilia Nicoară
- Faculty of Pharmacy, University of Medicine and Pharmacy “Carol Davila”, 020021 Bucharest, Romania;
| | - Luminița Măruțescu
- Research Institute of the University of Bucharest—ICUB, 91-95 Spl. Independentei, 50567 Bucharest, Romania;
| | - Ovidiu Oprea
- Academy of Romanian Scientists, Ilfov Street 3, 050054 Bucharest, Romania;
- Faculty of Chemical Engineering and Biotechnologies, University of Politehnica Bucharest, Gh. Polizu Street 1-7, 011061 Bucharest, Romania
| | - Elena Matei
- National Institute of Materials Physics–Magurele, 405A Atomistilor Street, 077125 Magurele, Romania;
| | - Stelian Sergiu Maier
- Research & Development for Advanced Biotechnologies and Medical Devices, SC Sanimed International Impex SRL, 087040 Călugăreni, Romania; (B.-M.T.); (M.A.); (I.C.M.); (S.S.M.)
- Department of Chemical Engineering in Textiles and Leather, Faculty of Industrial Design and Business Management, “Gheorghe Asachi” Technical University of Iasi, 700050 Iași, Romania
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Allergic Diseases: A Comprehensive Review on Risk Factors, Immunological Mechanisms, Link with COVID-19, Potential Treatments, and Role of Allergen Bioinformatics. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182212105. [PMID: 34831860 PMCID: PMC8622387 DOI: 10.3390/ijerph182212105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 11/02/2021] [Accepted: 11/16/2021] [Indexed: 12/24/2022]
Abstract
The prevalence of allergic diseases is regarded as one of the key challenges in health worldwide. Although the precise mechanisms underlying this rapid increase in prevalence are unknown, emerging evidence suggests that genetic and environmental factors play a significant role. The immune system, microbiota, viruses, and bacteria have all been linked to the onset of allergy disorders in recent years. Avoiding allergen exposure is the best treatment option; however, steroids, antihistamines, and other symptom-relieving drugs are also used. Allergen bioinformatics encompasses both computational tools/methods and allergen-related data resources for managing, archiving, and analyzing allergological data. This study highlights allergy-promoting mechanisms, algorithms, and concepts in allergen bioinformatics, as well as major areas for future research in the field of allergology.
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Sodré CS, Rodrigues PMG, Vieira MS, Marques Paes da Silva A, Gonçalves LS, Ribeiro MG, de Carvalho Ferreira D. Oral mycobiome identification in atopic dermatitis, leukemia, and HIV patients - a systematic review. J Oral Microbiol 2020; 12:1807179. [PMID: 32944157 PMCID: PMC7482892 DOI: 10.1080/20002297.2020.1807179] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 07/27/2020] [Accepted: 08/03/2020] [Indexed: 01/04/2023] Open
Abstract
INTRODUCTION Oral mycobiome profiling is important to understand host-pathogen interactions that occur in various diseases. Invasive fungal infections are particularly relevant for patients who have received chemotherapy and for those who have HIV infection. In addition, changes in fungal microbiota are associated with the worsening of chronic conditions like atopic dermatitis (AD). This work aims, through a systematic review, to analyze the methods used in previous studies to identify oral fungi and their most frequent species in patients with the following conditions: HIV infection, leukemia, and atopic dermatitis. METHODS A literature search was performed on several different databases. Inclusion criteria were: written in English or Portuguese; published between September 2009 and September 2019; analyzed oral fungi of HIV-infected, leukemia, or AD patients. RESULTS 21 studies were included and the most identified species was Candida. The predominant methods of identification were morphological (13/21) and sugar fermentation and assimilation tests (11/21). Polymerase chain reaction (PCR) was the most used molecular method (8/21) followed by sequencing techniques (3/21). CONCLUSIONS Although morphological and biochemical tests are still used, they are associated with high-throughput sequencing techniques, due to their accuracy and time saving for profiling the predominant species in oral mycobiome.
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Affiliation(s)
- Camila Stofella Sodré
- Faculty of Medicine, Department of Clinical Medicine, Universidade Federal do Rio de Janeiro - UFRJ, Rio de Janeiro, Brazil
| | - Paulo Matheus Guerra Rodrigues
- Laboratory of Oral and Systemic Infections, Faculty of Dentistry, Estácio de Sá University- UNESA, Rio de Janeiro, Brazil
| | | | | | - Lucio Souza Gonçalves
- Laboratory of Oral and Systemic Infections, Faculty of Dentistry, Estácio de Sá University- UNESA, Rio de Janeiro, Brazil
| | - Marcia Gonçalves Ribeiro
- Medical Genetics Service, Martagão Gesteira Pediatric Institute (IPPMG- UFRJ), Universidade Federal do Rio de Janeiro-UFRJ, Rio de Janeiro, Brazil
| | - Dennis de Carvalho Ferreira
- Laboratory of Oral and Systemic Infections, Faculty of Dentistry, Estácio de Sá University- UNESA, Rio de Janeiro, Brazil
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Chandrasekhar JL, Cox KM, Erickson LD. B Cell Responses in the Development of Mammalian Meat Allergy. Front Immunol 2020; 11:1532. [PMID: 32765532 PMCID: PMC7379154 DOI: 10.3389/fimmu.2020.01532] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 06/10/2020] [Indexed: 12/11/2022] Open
Abstract
Studies of meat allergic patients have shown that eating meat poses a serious acute health risk that can induce severe cutaneous, gastrointestinal, and respiratory reactions. Allergic reactions in affected individuals following meat consumption are mediated predominantly by IgE antibodies specific for galactose-α-1,3-galactose (α-gal), a blood group antigen of non-primate mammals and therefore present in dietary meat. α-gal is also found within certain tick species and tick bites are strongly linked to meat allergy. Thus, it is thought that exposure to tick bites promotes cutaneous sensitization to tick antigens such as α-gal, leading to the development of IgE-mediated meat allergy. The underlying immune mechanisms by which skin exposure to ticks leads to the production of α-gal-specific IgE are poorly understood and are key to identifying novel treatments for this disease. In this review, we summarize the evidence of cutaneous exposure to tick bites and the development of mammalian meat allergy. We then provide recent insights into the role of B cells in IgE production in human patients with mammalian meat allergy and in a novel mouse model of meat allergy. Finally, we discuss existing data more generally focused on tick-mediated immunomodulation, and highlight possible mechanisms for how cutaneous exposure to tick bites might affect B cell responses in the skin and gut that contribute to loss of oral tolerance.
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Affiliation(s)
- Jessica L Chandrasekhar
- Beirne B. Carter Center for Immunology Research, University of Virginia School of Medicine, Charlottesville, VA, United States
| | - Kelly M Cox
- Department of Microbiology, Immunology, and Cancer Biology, University of Virginia School of Medicine, Charlottesville, VA, United States
| | - Loren D Erickson
- Beirne B. Carter Center for Immunology Research, University of Virginia School of Medicine, Charlottesville, VA, United States.,Department of Microbiology, Immunology, and Cancer Biology, University of Virginia School of Medicine, Charlottesville, VA, United States
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Apaza T L, Serban AM, Cabanillas AH, Villacampa A, Rumbero A. Flavonoids of Tripodanthus acutifolius inhibit TNF-α production in LPS-activated THP-1 and B16-F10 cells. JOURNAL OF ETHNOPHARMACOLOGY 2019; 242:112036. [PMID: 31238104 DOI: 10.1016/j.jep.2019.112036] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 06/19/2019] [Accepted: 06/21/2019] [Indexed: 06/09/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE T. acutifolius is an endemic species from South America which has been used in traditional medicine since ancient times due to its biological properties, including its anti-inflammatory effects. AIM OF THE STUDY The aim of the article is to investigate the inhibitory activity of T. acutifolius over TNF-α production in THP-1 and B16-F10 cells. To achieve this, phytochemical analysis has been used to determine the compounds present in the species with anti-inflammatory effects. MATERIALS AND METHODS Leaves and stems of T. acutifolius were extracted with n-heptane, dichloromethane, methanol and water. The resulting extracts were analysed in THP-1 and B16-F10 cells by measuring their inhibitory capacity over the production of TNF-α stimulated with LPS. RESULTS The guided-bioassay led to the isolation of 6,2',4'-trimethoxyflavone (1), 5,3',4'-trihydroxy-6,7,8-trimethoxyflavone (2), (E)-2',4'-dihydroxy-6'-methoxy-chalcone (3) and 5,4'-dihydroxy-6,7,8-trimethoxyflavone (4) from the dichloromethanic extract. Compounds showed an inhibitory activity of TNF-⍺ production in THP-1 cells, with IC50 of 2.38 ± 0.02 μM, 12.36 ± 0.17 μM, 1.12 ± 0.01 μM and 8.09 ± 0.04 μM, respectively. In addition, the compounds showed an inhibitory activity of TNF-⍺ production in B16-F10 cells with IC50 of 1.32 ± 0.03 μM, 5.63 ± 0.09 μM, 0.60 ± 0.02 μM and 3.77 ± 0.15 μM, respectively. CONCLUSIONS We identified 3 flavones (6,2',4'-trimethoxyflavone, 5,3',4'-trihydroxy-6,7,8-trimethoxyflavone, 5,4'-dihydroxy-6,7,8-trimethoxyflavone) and a chalcone ((E)-2',4'-dihydroxy-6'-methoxy-chalcone) present in the leaves and stems of T. acutifolius. These compounds are an alternative for the treatment of immune-mediated inflammatory disorders, acting as negative modulators over the TNF-α production.
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Affiliation(s)
- L Apaza T
- Department of Chemistry, Faculty of Sciences, Universidad Autónoma de Madrid. Cantoblanco, 28049, Madrid, Spain; Department of Pharmacology, Faculty of Pharmacy, Universidad Complutense de Madrid. Ciudad Universitaria s/n, 28040, Madrid, Spain.
| | - Andreea Madalina Serban
- Marie Sklodowska Curie Hospital for Children. Constantin Brancoveanu Boulevard, 077120, Bucharest, Romania
| | - A H Cabanillas
- Department of Chemistry, Faculty of Sciences, Universidad Autónoma de Madrid. Cantoblanco, 28049, Madrid, Spain
| | - A Villacampa
- Department of Chemistry, Faculty of Sciences, Universidad Autónoma de Madrid. Cantoblanco, 28049, Madrid, Spain
| | - Angel Rumbero
- Department of Chemistry, Faculty of Sciences, Universidad Autónoma de Madrid. Cantoblanco, 28049, Madrid, Spain
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11
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Park JH, Yeo IJ, Han JH, Suh JW, Lee HP, Hong JT. Anti-inflammatory effect of astaxanthin in phthalic anhydride-induced atopic dermatitis animal model. Exp Dermatol 2019; 27:378-385. [PMID: 28887839 DOI: 10.1111/exd.13437] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/29/2017] [Indexed: 12/25/2022]
Abstract
In this study, we investigated anti-dermatitic effects of astaxanthin (AST) in phthalic anhydride (PA)-induced atopic dermatitis (AD) animal model as well as in vitro model. AD-like lesion was induced by the topical application of 5% PA to the dorsal skin or ear of Hos:HR-1 mouse. After AD induction, 100 μL of 1 mg/mL and 2 mg/mL of AST (10 μg or 20 μg/cm2 ) was spread on the dorsum of ear or back skin three times a week for four weeks. We evaluated dermatitis severity, histopathological changes and changes in protein expression by Western blotting for inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2) and nuclear factor-κB (NF-κB) activity. We also measured tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6) and immunoglobulin E (IgE) concentration in the blood of AD mice by enzyme-linked immunosorbent assay (ELISA). AST treatment attenuated the development of PA-induced AD. Histological analysis showed that AST inhibited hyperkeratosis, mast cells and infiltration of inflammatory cells. AST treatment inhibited expression of iNOS and COX-2, and NF-κB activity as well as release of TNF-α, IL-1β, IL-6 and IgE. In addition, AST (5, 10 and 20 μM) potently inhibited lipopolysaccharide (LPS) (1 μg/mL)-induced nitric oxide (NO) production, expression of iNOS and COX-2 and NF-κB DNA binding activities in RAW 264.7 macrophage cells. Our data demonstrated that AST could be a promising agent for AD by inhibition of NF-κB signalling.
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Affiliation(s)
- Ju Ho Park
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea.,INIST ST CO., LTD., Eumseong-gun, Chungcheongbuk-do, Republic of Korea
| | - In Jun Yeo
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Ji Hye Han
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Jeong Won Suh
- GDE Ltd., Siheung-si, Gyeonggi-do, Republic of Korea
| | - Hee Pom Lee
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
| | - Jin Tae Hong
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju, Chungbuk, Republic of Korea
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12
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Huth S, Schmitt L, Marquardt Y, Heise R, Lüscher B, Amann PM, Baron JM. Effects of a ceramide-containing water-in-oil ointment on skin barrier function and allergen penetration in an IL-31 treated 3D model of the disrupted skin barrier. Exp Dermatol 2018; 27:1009-1014. [PMID: 29851147 DOI: 10.1111/exd.13697] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/28/2018] [Indexed: 01/02/2023]
Abstract
Atopic dermatitis (AD) is a chronically relapsing, pruritic inflammation of the skin with dryness and disturbed skin barrier function. Recently, we established that IL-31 treatment of human 3D skin models resulted in a disrupted skin barrier phenotype resembling AD. In this model, we found that IL-31 interferes with the differentiation of keratinocytes and inhibits the expression of terminal differentiation markers. In the present study, we investigated the effects of a ceramide-containing water-in-oil skin care ointment on the physical skin barrier structure and function in disrupted skin barrier models, generated either by using primary normal human epidermal keratinocytes (NHEK) or HaCaT cells. We observed that the physical skin barrier of the models recovered after daily topical treatment with the ceramide-containing ointment. Topical application of the ointment prevented downregulation of filaggrin and disorganization of other differentiation markers, such as keratin 10 and β4-integrin, as demonstrated by immunohistological analysis. The expression of Ki67 was also upregulated in response to the ointment. Furthermore, functional studies revealed that local application of the ointment diminished the increased uptake of fluorescently labelled recombinant allergens of timothy grass (phl p1) in our model. In conclusion, our data revealed that topical application of a ceramide-containing skin care ointment reduced IL-31 induced impairments of the physical skin barrier and skin barrier function in an in vitro model of the disrupted skin barrier. This standardized model can be utilized in the future to monitor ex vivo effects of various topical therapies on skin morphology, physiology, and gene expression.
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Affiliation(s)
- Sebastian Huth
- Department of Dermatology and Allergology, Medical School, RWTH Aachen University, Aachen, Germany
| | - Laurenz Schmitt
- Department of Dermatology and Allergology, Medical School, RWTH Aachen University, Aachen, Germany
| | - Yvonne Marquardt
- Department of Dermatology and Allergology, Medical School, RWTH Aachen University, Aachen, Germany
| | - Ruth Heise
- Department of Dermatology and Allergology, Medical School, RWTH Aachen University, Aachen, Germany
| | - Bernhard Lüscher
- Institute of Biochemistry and Molecular Biology, Medical School, RWTH Aachen University, Aachen, Germany
| | - Philipp M Amann
- Department of Dermatology and Allergology, Medical School, RWTH Aachen University, Aachen, Germany.,Department of Dermatology, SLK Hospital Heilbronn, Heilbronn, Germany
| | - Jens M Baron
- Department of Dermatology and Allergology, Medical School, RWTH Aachen University, Aachen, Germany
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13
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Oliveira ADT, Sodré CS, Ferreira DDC, Abad EDD, Saintive S, Ribeiro M, Cavalcante FS, Piciani B, Gonçalves LS. Oral Aspects Identified in Atopic Dermatitis Patients: A Literature Review. Open Dent J 2018; 12:424-434. [PMID: 29988222 PMCID: PMC6006715 DOI: 10.2174/1874210601812010424] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 04/26/2018] [Accepted: 05/14/2018] [Indexed: 12/16/2022] Open
Abstract
Introduction: Atopic dermatitis is a chronic inflammatory skin condition that is more prevalent in children (10-20% of the world's population) than in adults. As its etiology is multifactorial, it is important to know the most frequent oral manifestations in atopic dermatitis patients. Methodology: In the last decades, the correlation between atopic dermatitis and conditions and/or changes in the oral cavity has been demonstrated by several studies. The objective of this paper was to describe, through a review of the literature, the oral health conditions and/or oral aspects identified in patients with atopic dermatitis. Search Strategy: A descriptive literature review was carried out through a bibliographical survey based on the last 10 years, in order to answer the study questions. Results: As a result, we found six studies with different sample sizes, ranging from 43 to 468 patients, and the majority of them were of cross-sectional study design. Discussion: Two studies performed their analysis through dental exams and reported that patients with atopic dermatitis tend to have a greater frequency of carious lesions, and two studies correlated Candida with atopic dermatitis through mycological analyzes. Conclusion: There are a few studies in the literature that identify the oral aspects of atopic dermatitis. More investigations are needed in order to contribute to the knowledge of such oral aspects and the approach to treat these patients regarding oral health.
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Affiliation(s)
| | - Camila Stofella Sodré
- Department of Clinical Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Dennis de Carvalho Ferreira
- Faculty of Dentistry, Estácio de Sá University, Rio de Janeiro, Brazil.,Faculty of Dentistry, Veiga de Almeida University, Rio de Janeiro, Brazil
| | - Eliane de Dios Abad
- Pediatric Dermatology Service, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Simone Saintive
- Faculty of Dentistry, Veiga de Almeida University, Rio de Janeiro, Brazil
| | - Márcia Ribeiro
- Medical Genetics Service, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Bruna Piciani
- Department of Pathology, Fluminense Federal University, Rio de Janeiro, Brazil
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14
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Decourt B, Lahiri DK, Sabbagh MN. Targeting Tumor Necrosis Factor Alpha for Alzheimer's Disease. Curr Alzheimer Res 2017; 14:412-425. [PMID: 27697064 DOI: 10.2174/1567205013666160930110551] [Citation(s) in RCA: 227] [Impact Index Per Article: 32.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2016] [Revised: 09/10/2016] [Accepted: 09/22/2016] [Indexed: 01/06/2023]
Abstract
Alzheimer's disease (AD) affects an estimated 44 million individuals worldwide, yet no therapeutic intervention is available to stop the progression of the dementia. Neuropathological hallmarks of AD are extracellular deposits of amyloid beta (Aβ) peptides assembled in plaques, intraneuronal accumulation of hyperphosphorylated tau protein forming tangles, and chronic inflammation. A pivotal molecule in inflammation is the pro-inflammatory cytokine TNF-α. Several lines of evidence using genetic and pharmacological manipulations indicate that TNF-α signaling exacerbates both Aβ and tau pathologies in vivo. Interestingly, preventive and intervention anti-inflammatory strategies demonstrated a reduction in brain pathology and an amelioration of cognitive function in rodent models of AD. Phase I and IIa clinical trials suggest that TNF-α inhibitors might slow down cognitive decline and improve daily activities in AD patients. In the present review, we summarize the evidence pointing towards a beneficial role of anti-TNF-α therapies to prevent or slow the progression of AD. We also present possible physical and pharmacological interventions to modulate TNF-α signaling in AD subjects along with their limitations.
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Affiliation(s)
- Boris Decourt
- Banner Sun Health Research Institute, 10515 W. Santa Fe Dr., Sun City AZ 85351, United States
| | - Debomoy K Lahiri
- Institute of Psychiatry Research, Department of Psychiatry, School of Medicine, Indiana University-Purdue University, Indianapolis, IN, United States
| | - Marwan N Sabbagh
- Alzheimer's and Memory Disorders Division, Barrow Neurological Institute, 240 West Thomas, Ste 301, Phoenix, AZ 85013, United States
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15
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Jekal SJ, Park MS, Kim DJ. The Combined Effects of Curcumin Administration and 630 nm LED Phototherapy against DNCB-induced Atopic Dermatitis-like Skin Lesions in BALB/c Mice. KOREAN JOURNAL OF CLINICAL LABORATORY SCIENCE 2017. [DOI: 10.15324/kjcls.2017.49.2.150] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Seung-Joo Jekal
- Department of Clinical Laboratory Science, Wokkwang Health Science University, Iksan, Korea
| | - Mi-Suk Park
- Department of Clinical Pathology, Gwangyang Health Science University, Gwangyang, Korea
| | - Dae-Jung Kim
- Department of Laboratory Medicine, Budang Jesaeng Hospital, Seongnam, Korea
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16
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Lee DH, Lee CS. Flavonoid myricetin inhibits TNF-α-stimulated production of inflammatory mediators by suppressing the Akt, mTOR and NF-κB pathways in human keratinocytes. Eur J Pharmacol 2016; 784:164-72. [PMID: 27221774 DOI: 10.1016/j.ejphar.2016.05.025] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 04/29/2016] [Accepted: 05/20/2016] [Indexed: 01/30/2023]
Abstract
Flavonoid myricetin has been shown to exhibit anti-inflammatory and anti-oxidant effects. Nevertheless, the effect of myricetin on the TNF-α-stimulated production of inflammatory mediators in keratinocytes has not been studied. Using human keratinocytes, we examined the effect of myricetin on the TNF-α-stimulated production of inflammatory mediators in relation to the Akt, mTOR and NF-κB pathways, which regulate the transcription genes involved in immune and inflammatory responses. TNF-α stimulated production of the inflammatory mediators and reactive oxygen species in keratinocytes, and activation of the Akt, mTOR and NF-κB pathways in HaCaT cells and primary keratinocytes. Myricetin, Akt inhibitor, Bay 11-7085 (an inhibitor of NF-κB activation), rapamycin (mTOR inhibitor) and N-acetylcysteine attenuated TNF-α-induced activation of Akt, mTOR and NF-κB. Myricetin and N-acetylcysteine attenuated the TNF-α-stimulated production of cytokines and chemokines, and production of reactive oxygen species in keratinocytes. The results show that myricetin may reduce TNF-α-stimulated inflammatory mediator production in keratinocytes by suppressing the activation of the Akt, mTOR and NF-κB pathways. The effect of myricetin appears to be associated with inhibition of the production of reactive oxygen species. Further, myricetin appears to attenuate the proinflammatory mediator-induced inflammatory skin diseases.
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Affiliation(s)
- Da Hee Lee
- Department of Pharmacology, College of Medicine, and the BK21plus Skin Barrier Network Human Resources Development Team, Chung-Ang University, Seoul 156-756, South Korea
| | - Chung Soo Lee
- Department of Pharmacology, College of Medicine, and the BK21plus Skin Barrier Network Human Resources Development Team, Chung-Ang University, Seoul 156-756, South Korea.
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17
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Brefeldin A reduces tumor necrosis factor-α-stimulated production of inflammatory mediators by suppressing the Akt, mTOR, and NF-κB pathways in human keratinocytes. Naunyn Schmiedebergs Arch Pharmacol 2016; 389:951-60. [DOI: 10.1007/s00210-016-1242-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 04/04/2016] [Indexed: 12/14/2022]
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18
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Fölster-Holst R, Galecka J, Weißmantel S, Dickschat U, Rippke F, Bohnsack K, Werfel T, Wichmann K, Buchner M, Schwarz T, Vogt A, Lademann J, Meinke MC. Birch pollen influence the severity of atopic eczema - prospective clinical cohort pilot study and ex vivo penetration study. Clin Cosmet Investig Dermatol 2015; 8:539-48. [PMID: 26604810 PMCID: PMC4629950 DOI: 10.2147/ccid.s81700] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
There is little clinical evidence for a correlation between the severity of atopic eczema (AE) and pollen exposition. To obtain more data, we performed a clinical cohort pilot study about the influence of pollen on AE between sensitized and nonsensitized subjects and an experimental study addressing the cutaneous penetration of pollen into the skin. Fifty-five patients were monitored during birch pollen season. To study the cutaneous penetration, grass pollen allergens were applied on excised skin and the uptake in CD1c-expressing dendritic cells was investigated. The correlation between environmental pollen load and severity of the Scoring Atopic Dermatitis (SCORAD) score and pruritus was observed, regardless of the status of sensitization. The sensitized group recovered significantly worse after the birch pollen season. Remarkably higher amounts of pollen allergens taken up by CD1c cells were detected in epidermal cells derived from skin explants with a disturbed epidermal barrier. These findings suggest an exacerbating role of pollen in AE utilizing the epidermal route.
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Affiliation(s)
| | - Jagoda Galecka
- Department of Dermatology, Venerology and Allergy, University of Kiel, Germany
| | - Sigo Weißmantel
- Department of Dermatology, Venerology and Allergy, University of Kiel, Germany
| | | | | | | | - Thomas Werfel
- Department of Dermatology, Venerology and Allergy, Division of Immunodermatology and Allergy Research, Hannover Medical School, Hannover, Germany
| | - Katja Wichmann
- Department of Dermatology, Venerology and Allergy, Division of Immunodermatology and Allergy Research, Hannover Medical School, Hannover, Germany
| | - Matthias Buchner
- Department of Dermatology, Venerology and Allergy, University of Kiel, Germany
| | - Thomas Schwarz
- Department of Dermatology, Venerology and Allergy, University of Kiel, Germany
| | - Annika Vogt
- Department of Dermatology, Venerology and Allergology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Jürgen Lademann
- Department of Dermatology, Venerology and Allergology, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Martina C Meinke
- Department of Dermatology, Venerology and Allergology, Charité - Universitätsmedizin Berlin, Berlin, Germany
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19
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Protective effect of small molecule analogues of the Acanthocheilonema viteae secreted product ES-62 on oxazolone-induced ear inflammation. Exp Parasitol 2015; 158:18-22. [PMID: 25836375 PMCID: PMC4659540 DOI: 10.1016/j.exppara.2015.03.025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 03/23/2015] [Accepted: 03/25/2015] [Indexed: 11/24/2022]
Abstract
Small molecule analogues (SMAs) of the immunomodulator, ES-62, have been produced. Two SMAs protect against oxazolone-induced skin inflammation in mouse ears. Protection is associated with reduced cellular infiltration and collagen deposition. Protection is associated with decreased IFNγ mRNA in the ears.
ES-62 is the major secreted protein of the rodent filarial nematode Acanthocheilonema viteae. The molecule contains covalently attached phosphorylcholine (PC) residues, which confer anti-inflammatory properties on ES-62, underpinning the idea that drugs based on this active moiety may have therapeutic potential in human diseases associated with aberrant inflammation. Here we demonstrate that two synthetic small molecule analogues (SMAs) of ES-62 termed SMA 11a and SMA 12b are protective in the oxazolone-induced acute allergic contact dermatitis mouse model of skin inflammation, as measured by a significant reduction in ear inflammation following their administration before oxazolone sensitisation and before oxazolone challenge. Furthermore, it was found that when tested, 12b was effective at reducing ear swelling even when first administered before challenge. Histological analysis of the ears showed elevated cellular infiltration and collagen deposition in oxazolone-treated mice both of which were reduced by treatment with the two SMAs. Likewise, the oxazolone-induced increase in IFNγ mRNA in the ears was reduced but no effect on other cytokines investigated was observed. Finally, no influence on the mast cell populations in the ear was observed.
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20
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Peeling off the genetics of atopic dermatitis–like congenital disorders. J Allergy Clin Immunol 2014; 134:808-15. [DOI: 10.1016/j.jaci.2014.07.061] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Revised: 07/13/2014] [Accepted: 07/16/2014] [Indexed: 12/14/2022]
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21
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Ilves M, Palomäki J, Vippola M, Lehto M, Savolainen K, Savinko T, Alenius H. Topically applied ZnO nanoparticles suppress allergen induced skin inflammation but induce vigorous IgE production in the atopic dermatitis mouse model. Part Fibre Toxicol 2014; 11:38. [PMID: 25123235 PMCID: PMC4237966 DOI: 10.1186/s12989-014-0038-4] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Accepted: 08/05/2014] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Metal oxide nanoparticles such as ZnO are used in sunscreens as they improve their optical properties against the UV-light that causes dermal damage and skin cancer. However, the hazardous properties of the particles used as UV-filters in the sunscreens and applied to the skin have remained uncharacterized. METHODS Here we investigated whether different sized ZnO particles would be able to penetrate injured skin and injured allergic skin in the mouse atopic dermatitis model after repeated topical application of ZnO particles. Nano-sized ZnO (nZnO) and bulk-sized ZnO (bZnO) were applied to mechanically damaged mouse skin with or without allergen/superantigen sensitization. Allergen/superantigen sensitization evokes local inflammation and allergy in the skin and is used as a disease model of atopic dermatitis (AD). RESULTS Our results demonstrate that only nZnO is able to reach into the deep layers of the allergic skin whereas bZnO stays in the upper layers of both damaged and allergic skin. In addition, both types of particles diminish the local skin inflammation induced in the mouse model of AD; however, nZnO has a higher potential to suppress the local effects. In addition, especially nZnO induces systemic production of IgE antibodies, evidence of allergy promoting adjuvant properties for topically applied nZnO. CONCLUSIONS These results provide new hazard characterization data about the metal oxide nanoparticles commonly used in cosmetic products and provide new insights into the dermal exposure and hazard assessment of these materials in injured skin.
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Affiliation(s)
| | | | | | | | | | | | - Harri Alenius
- Nanosafety Research Centre, Finnish Institute of Occupational Health, Helsinki 00250, Finland.
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22
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Jin SY, Lim WS, Sung NH, Cheong KA, Lee AY. Combination of glucosamine and low-dose cyclosporine for atopic dermatitis treatment: A randomized, placebo-controlled, double-blind, parallel clinical trial. Dermatol Ther 2014; 28:44-51. [DOI: 10.1111/dth.12163] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Sang-Yoon Jin
- Department of Dermatology; Dongguk University Ilsan Hospital; Dongguk University Graduate School of Medicine; Gyeonggi-do South Korea
| | - Won-Suk Lim
- Department of Dermatology; Dongguk University Ilsan Hospital; Dongguk University Graduate School of Medicine; Gyeonggi-do South Korea
| | - Nam Hee Sung
- Department of Dermatology; Dongguk University Ilsan Hospital; Dongguk University Graduate School of Medicine; Gyeonggi-do South Korea
| | - Kyung Ah Cheong
- Department of Dermatology; Dongguk University Ilsan Hospital; Dongguk University Graduate School of Medicine; Gyeonggi-do South Korea
| | - Ai-Young Lee
- Department of Dermatology; Dongguk University Ilsan Hospital; Dongguk University Graduate School of Medicine; Gyeonggi-do South Korea
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23
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Rabenhorst A, Hartmann K. Interleukin-31: a novel diagnostic marker of allergic diseases. Curr Allergy Asthma Rep 2014; 14:423. [PMID: 24510535 DOI: 10.1007/s11882-014-0423-y] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Interleukin-31 (IL-31) is a newly discovered cytokine associated with chronic skin inflammation and pruritus. Patients with atopic dermatitis, chronic spontaneous urticaria, allergic contact dermatitis, prurigo nodularis, primary cutaneous lymphoma and mastocytosis exhibit increased serum levels of IL-31 protein and elevated IL-31 mRNA in the skin. Interestingly, in some of these diseases, IL-31 serum levels correlate with disease activity. In the present review, we particularly focus on studies investigating IL-31 as a novel diagnostic biomarker indicating the severity of allergic diseases. We highlight a recent study on IL-31 in mastocytosis, which reports on elevated serum levels of IL-31 in adults correlating with the severity of disease categories, tryptase levels and percentage of bone marrow infiltration. We conclude that growing knowledge about IL-31, its receptors and signaling pathways serves to better understand the pathogenesis of allergic diseases and may lead to the development of novel treatment approaches.
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Affiliation(s)
- Anja Rabenhorst
- Department of Dermatology, University of Cologne, Kerpener Str. 62, 50937, Cologne, Germany,
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24
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Kim SH, Kim EK, Choi EJ. High-Intensity Swimming Exercise Increases Dust Mite Extract and 1-Chloro-2,4-Dinitrobenzene-Derived Atopic Dermatitis in BALB/c Mice. Inflammation 2014; 37:1179-85. [DOI: 10.1007/s10753-014-9843-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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25
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Mok JY, Jeon IH, Cho JK, Park JM, Kim HS, Kang HJ, Kim HS, Jang SI. Effect of Persimmon Leaf Extract on Phthalic Anhydride-induced Allergic Response in Mice. Prev Nutr Food Sci 2014; 17:14-21. [PMID: 24471058 PMCID: PMC3866758 DOI: 10.3746/pnf.2012.17.1.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2012] [Accepted: 03/07/2012] [Indexed: 12/04/2022] Open
Abstract
The purpose of this study was to investigate the anti-allergy activities of persimmon leaf extract (PLE) on a phthalic anhydride (PA)-induced allergic mouse model. A human leukemic mast cell line (HMC-1) was used to examine the inhibitory activity of PLE on the histamine release by human leukemic mast cells. PLE inhibited histamine release from HMC-1 cells in response to cross-linkage of high-affinity IgE receptor-α (FcεRIα). Additionally, a PA-induced allergic mouse model was used to investigate the effects of PLE in vivo. Mice were orally administrated with or without PLE of single dose (250 mg/kg/day) for 31 days. Oral intake of PLE significantly inhibited passive cutaneous reactions. Oral administration of PLE to PA-induced allergic mice also led to a striking suppression of the development of contact dermatitis, ear swelling and lymph node weight. In addition, PA-specific IL-4 production of draining lymph node cells was markedly diminished by PLE oral administration, but not IFN-γ. Furthermore, PLE treatment suppressed PA-induced thymus and activation-regulated chemokine (CCL17) and cutaneous T cell-attracting chemokine (CCL27) expressions in ear tissues. Based on these results, we suggest that PLE may have therapeutic potential as an effective material for management of irritant contact dermatitis or related inflammatory diseases.
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Affiliation(s)
- Ji Ye Mok
- Jeonju University Atopy & Health Research Institute, Jeonbuk 560-759, Korea
| | - In Hwa Jeon
- School of Alternative Medicine & Health Science, Jeonbuk 560-759, Korea
| | - Jung-Keun Cho
- Department of Radiological Science, College of Alternative Medicine, Jeonju University, Jeonbuk 560-759, Korea
| | - Ji Min Park
- School of Alternative Medicine & Health Science, Jeonbuk 560-759, Korea
| | - Hyeon Soo Kim
- School of Alternative Medicine & Health Science, Jeonbuk 560-759, Korea
| | - Hyun Ju Kang
- School of Alternative Medicine & Health Science, Jeonbuk 560-759, Korea
| | | | - Seon Il Jang
- Jeonju University Atopy & Health Research Institute, Jeonbuk 560-759, Korea ; School of Alternative Medicine & Health Science, Jeonbuk 560-759, Korea
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26
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Kim KH, Lee WR, An HJ, Kim JY, Chung H, Han SM, Lee ML, Lee KG, Pak SC, Park KK. Bee venom ameliorates compound 48/80-induced atopic dermatitis-related symptoms. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2013; 6:2896-2903. [PMID: 24294376 PMCID: PMC3843270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/24/2013] [Accepted: 10/21/2013] [Indexed: 06/02/2023]
Abstract
UNLABELLED Honeybee (Apis mellifera L.) venom (BV) has been traditionally used for the treatment of pain and inflammatory diseases such as itchy skin problems. However, the precise mechanism of BV in ameliorating the scratching behavior is not fully understood. OBJECTIVE In order to evaluate the effect of BV on atopic dermatitis-related symptoms in mice, we used a mouse skin scratching model induced by compound 48/80. The anti-itch effect of BV was investigated in a compound 48/80-induced mouse scratching behavior model. BALB/c mice were injected intraperitoneally with vehicle (saline 0.9%) or BV (0.01 and 0.1 mg/kg). One hour after treatment, the animals received a subcutaneous injection of compound 48/80. Intraperitoneal administration of BV (0.01 and 0.1 mg/kg) attenuated compound 48/80-induced scratching behaviors. The anti-scratching behavior effect of BV was in proportional to its vascular permeability effects. Treatment with BV also inhibited the degranulation of mast cells and the production of pro-inflammatory cytokines in compound 48/80-treated skin tissues. According to these results, BV may improve atopic dermatitis-related symptoms by inhibiting the mast cell degranulation and pro-inflammatory cytokine expression.
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Affiliation(s)
- Kyung-Hyun Kim
- Department of Pathology, Catholic University of Daegu, College of MedicineDaegu, 705-718, Republic of Korea
| | - Woo-Ram Lee
- Department of Pathology, Catholic University of Daegu, College of MedicineDaegu, 705-718, Republic of Korea
| | - Hyun-Jin An
- Department of Pathology, Catholic University of Daegu, College of MedicineDaegu, 705-718, Republic of Korea
| | - Jung-Yeon Kim
- Department of Pathology, Catholic University of Daegu, College of MedicineDaegu, 705-718, Republic of Korea
| | - Hyun Chung
- Department of Dermatology, Catholic University of Daegu, College of MedicineDaegu, 705-718, Republic of Korea
| | - Sang-Mi Han
- Department of Agricultural Biology, National Academy of Agricultural ScienceSuwon, 441-100, Republic of Korea
| | - Myeong-Lyoel Lee
- Department of Agricultural Biology, National Academy of Agricultural ScienceSuwon, 441-100, Republic of Korea
| | - Kwang-Gill Lee
- Department of Agricultural Biology, National Academy of Agricultural ScienceSuwon, 441-100, Republic of Korea
| | - Sok Cheon Pak
- School of Biomedical Sciences, Charles Sturt UniversityBathurst, NSW 2795, Australia
| | - Kwan-Kyu Park
- Department of Pathology, Catholic University of Daegu, College of MedicineDaegu, 705-718, Republic of Korea
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Samuelov L, Sarig O, Harmon RM, Rapaport D, Ishida-Yamamoto A, Isakov O, Koetsier JL, Gat A, Goldberg I, Bergman R, Spiegel R, Eytan O, Geller S, Peleg S, Shomron N, Goh CSM, Wilson NJ, Smith FJD, Pohler E, Simpson MA, McLean WHI, Irvine AD, Horowitz M, McGrath JA, Green KJ, Sprecher E. Desmoglein 1 deficiency results in severe dermatitis, multiple allergies and metabolic wasting. Nat Genet 2013; 45:1244-1248. [PMID: 23974871 DOI: 10.1038/ng.2739] [Citation(s) in RCA: 235] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2013] [Accepted: 07/31/2013] [Indexed: 12/17/2022]
Abstract
The relative contribution of immunological dysregulation and impaired epithelial barrier function to allergic diseases is still a matter of debate. Here we describe a new syndrome featuring severe dermatitis, multiple allergies and metabolic wasting (SAM syndrome) caused by homozygous mutations in DSG1. DSG1 encodes desmoglein 1, a major constituent of desmosomes, which connect the cell surface to the keratin cytoskeleton and have a crucial role in maintaining epidermal integrity and barrier function. Mutations causing SAM syndrome resulted in lack of membrane expression of DSG1, leading to loss of cell-cell adhesion. In addition, DSG1 deficiency was associated with increased expression of a number of genes encoding allergy-related cytokines. Our deciphering of the pathogenesis of SAM syndrome substantiates the notion that allergy may result from a primary structural epidermal defect.
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Affiliation(s)
- Liat Samuelov
- Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Ofer Sarig
- Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Robert M Harmon
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Debora Rapaport
- Department of Cell Research and Immunology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
| | | | - Ofer Isakov
- Department of Cell and Developmental Biology, Faculty of Medicine, Tel-Aviv University, Ramat-Aviv, Israel
| | - Jennifer L Koetsier
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Andrea Gat
- Department of Pathology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Ilan Goldberg
- Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Reuven Bergman
- Department of Dermatology, Rambam Health Care Campus, Haifa, Israel.,Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel
| | - Ronen Spiegel
- Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.,Institute of Human Genetics, Haemek Medical Center, Afula, Israel
| | - Ori Eytan
- Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.,Department of Human Molecular Genetics & Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
| | - Shamir Geller
- Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Sarit Peleg
- Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.,Pediatric Department B, Haemek Medical Center, Afula, Israel.,Pediatric Gastroenterology Unit, Haemek Medical Center, Afula, Israel
| | - Noam Shomron
- Department of Cell and Developmental Biology, Faculty of Medicine, Tel-Aviv University, Ramat-Aviv, Israel
| | | | - Neil J Wilson
- Centre for Dermatology and Genetic Medicine, University of Dundee, Dundee, UK
| | - Frances J D Smith
- Centre for Dermatology and Genetic Medicine, University of Dundee, Dundee, UK
| | - Elizabeth Pohler
- Centre for Dermatology and Genetic Medicine, University of Dundee, Dundee, UK
| | - Michael A Simpson
- Division of Genetics and Molecular Medicine, King's College London (Guy's Campus), London, UK
| | - W H Irwin McLean
- Centre for Dermatology and Genetic Medicine, University of Dundee, Dundee, UK
| | - Alan D Irvine
- Paediatric Dermatology, Our Lady's Children's Hospital Crumlin, Dublin, Ireland.,National Children's Research Centre, Our Lady's Children's Hospital Crumlin, Dublin, Ireland.,Clinical Medicine, Trinity College Dublin, Dublin, Ireland
| | - Mia Horowitz
- Department of Cell Research and Immunology, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
| | - John A McGrath
- St John's Institute of Dermatology, King's College London (Guy's Campus), London, UK
| | - Kathleen J Green
- Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA.,Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Eli Sprecher
- Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.,Department of Human Molecular Genetics & Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Ramat Aviv, Israel
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28
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Cytokines and the skin barrier. Int J Mol Sci 2013; 14:6720-45. [PMID: 23531535 PMCID: PMC3645662 DOI: 10.3390/ijms14046720] [Citation(s) in RCA: 195] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2013] [Revised: 03/05/2013] [Accepted: 03/18/2013] [Indexed: 12/11/2022] Open
Abstract
The skin is the largest organ of the human body and builds a barrier to protect us from the harmful environment and also from unregulated loss of water. Keratinocytes form the skin barrier by undergoing a highly complex differentiation process that involves changing their morphology and structural integrity, a process referred to as cornification. Alterations in the epidermal cornification process affect the formation of the skin barrier. Typically, this results in a disturbed barrier, which allows the entry of substances into the skin that are immunologically reactive. This contributes to and promotes inflammatory processes in the skin but also affects other organs. In many common skin diseases, including atopic dermatitis and psoriasis, a defect in the formation of the skin barrier is observed. In these diseases the cytokine composition within the skin is different compared to normal human skin. This is the result of resident skin cells that produce cytokines, but also because additional immune cells are recruited. Many of the cytokines found in defective skin are able to influence various processes of differentiation and cornification. Here we summarize the current knowledge on cytokines and their functions in healthy skin and their contributions to inflammatory skin diseases.
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Frati F, Incorvaia C, David M, Scurati S, Seta S, Padua G, Cattaneo E, Cavaliere C, Di Rienzo A, Dell'Albani I, Puccinelli P. Requirements for acquiring a high-quality house dust mite extract for allergen immunotherapy. DRUG DESIGN DEVELOPMENT AND THERAPY 2012; 6:117-23. [PMID: 22654506 PMCID: PMC3363974 DOI: 10.2147/dddt.s30908] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The house dust mite is a major cause of respiratory allergy worldwide. The management of mite allergy is based on avoidance measures, drug treatment, and allergen immunotherapy, but only allergen immunotherapy is able to modify the natural history of the disease. Injectable subcutaneous immunotherapy was introduced a century ago, while sublingual immunotherapy was proposed in the 1980s and emerged in the ensuing years as an effective and safe option to subcutaneous immunotherapy. However, the quality of the extracts to be used in allergen immunotherapy is crucial for the success of treatment. The mite extract for sublingual immunotherapy known as Staloral 300 was developed to offer optimal characteristics concerning the mite culture medium, standardization, and allergen dose. Double-blind, placebo-controlled trials with Staloral 300 have provided a substantial part of the clinical evidence analyzed in a meta-analysis of the efficacy of allergen immunotherapy in mite-induced rhinitis and asthma. Safety and tolerability are very good, mild local reactions in the mouth being the most common side effect. This makes it feasible to carry out sublingual immunotherapy for the 3–5-year duration needed to achieve long-lasting tolerance to the specific allergen. The performance of Staloral 300 may provide optimal conditions for an effective and safe sublingual immunotherapy in patients with mite-induced respiratory allergy.
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Affiliation(s)
- Franco Frati
- Medical and Scientific and Regulatory Department, Stallergenes, Milan, Italy
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30
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Chan SMH, Turcanu V, Stephens AC, Fox AT, Grieve AP, Lack G. Cutaneous lymphocyte antigen and α4β7 T-lymphocyte responses are associated with peanut allergy and tolerance in children. Allergy 2012; 67:336-42. [PMID: 22423373 DOI: 10.1111/j.1398-9995.2011.02765.x] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND It is unclear whether the initial route of allergen exposure in early life could influence the subsequent development of allergy, with cutaneous sensitization leading to peanut allergy (PA), and tolerance induced by oral exposure. The skin- and gastrointestinal (GI)-homing markers, cutaneous lymphocyte antigen (CLA) and α4β7 integrin, are used to determine whether the state of PA correlates with peanut-specific CLA responses, with tolerance associated with predominant α4β7 responses. METHODS CLA+ and α4β7+ memory T cells were isolated and cultured with peanut extract to assess their proliferation. Stimulation indices were compared in peanut allergic and non-allergic (NA) groups, and peanut-specific cytokine production was measured. RESULTS In peanut allergic patients, peanut-specific proliferation predominates in the skin-homing CLA+ subset, whilst peanut-tolerant groups have a mixed CLA/α4β7 response (P = 0.008). Comparison with a control food antigen (ovalbumin) showed that these differences are allergen specific. Cytokine responses showed trends towards Th1 skewing in the GI-homing α4β7+ cells of peanut-tolerant groups and Th2 skewing in the skin-homing CLA+ cells of peanut allergic patients. CONCLUSION The predominance of the CLA+ response to peanut in peanut allergic patients is consistent with the hypothesis that allergic sensitization occurs through the skin. The predominant α4β7+ response in peanut-tolerant groups suggests that allergen exposure through the GI tract induces tolerance.
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Affiliation(s)
| | - V. Turcanu
- King's College London; King's Health Partners; Asthma-UK Centre in Allergic Mechanisms of Asthma; Department of Asthma, Allergy and Respiratory Science; Guy's Hospital; London; UK
| | - A. C. Stephens
- King's College London; King's Health Partners; Asthma-UK Centre in Allergic Mechanisms of Asthma; Department of Asthma, Allergy and Respiratory Science; Guy's Hospital; London; UK
| | - A. T. Fox
- King's College London; King's Health Partners; Asthma-UK Centre in Allergic Mechanisms of Asthma; Department of Asthma, Allergy and Respiratory Science; Guy's Hospital; London; UK
| | | | - G. Lack
- King's College London; King's Health Partners; Asthma-UK Centre in Allergic Mechanisms of Asthma; Department of Asthma, Allergy and Respiratory Science; Guy's Hospital; London; UK
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31
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Kalish H, Phillips TM. Assessment of chemokine profiles in human skin biopsies by an immunoaffinity capillary electrophoresis chip. Methods 2011; 56:198-203. [PMID: 22197729 DOI: 10.1016/j.ymeth.2011.12.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2011] [Revised: 12/07/2011] [Accepted: 12/08/2011] [Indexed: 01/05/2023] Open
Abstract
Atopic dermatitis is a skin condition resulting in a skin rash from exposure to environmental factors. Skin biopsies taken from patients suffering from atopic dermatitis were micro-dissected and analyzed using a microchip-based immunoaffinity CE system for the presence of CXCL1, CXCL5 and CXCL8 and CCL1, CCL3 and CCL5 chemokines. Disposable immunoaffinity disks with immobilized antibodies were used to capture the CXC and CC chemokines from the homogenized skin samples. The captured analytes were then labeled with AlexaFluor 633, eluted from the disk and separated by CE. The labeled chemokines were identified and quantified by laser induced fluorescence. The total analysis time was less than 40min, including the biopsy microdissection, pre-analysis preparation of the sample and the ICE-CHIP analysis, which took less than 10min with inter- and intra-assay CV's below 6.4%. Microchip-based immunoaffinity CE could distinguish between normal skin biopsies and those with inflammation. Patients with neutrophil cellular infiltrates by histopathology showed increased concentrations of CXCL1, CXCL5 and CXCL8 while increases of CCL1, CCL3 and CCL5 corresponded to the patient group demonstrating monocytic and T-lymphocyte infiltration by histopathology. This system demonstrates the ability to identify and quantify immunochemical analytes in frozen sections taken from clinical histopathology samples.
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Affiliation(s)
- Heather Kalish
- Micro Analytical Immunochemistry Unit, Biomedical Engineering and Physical Science Shared Resource, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Building 13, Room 3E41, 13 Center Drive, Bethesda, MD 20817, USA.
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32
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Watson W, Kapur S. Atopic dermatitis. ALLERGY, ASTHMA, AND CLINICAL IMMUNOLOGY : OFFICIAL JOURNAL OF THE CANADIAN SOCIETY OF ALLERGY AND CLINICAL IMMUNOLOGY 2011; 7 Suppl 1:S4. [PMID: 22166055 PMCID: PMC3245437 DOI: 10.1186/1710-1492-7-s1-s4] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Atopic dermatitis (AD) is a common, chronic skin disorder that can significantly impact the quality of life of affected individuals as well as their families. Although the pathogenesis of the disorder is not completely understood, it appears to result from the complex interplay between defects in skin barrier function, environmental and infectious agents, and immune abnormalities. There are no specific diagnostic tests for AD; therefore, the diagnosis is based on specific clinical criteria that take into account the patient's history and clinical manifestations. Successful management of the disorder requires a multifaceted approach that involves education, optimal skin care practices, anti-inflammatory treatment with topical corticosteroids and/or topical calcineurin inhibitors (TCIs), the use of first-generation antihistamines to help manage sleep disturbances, and the treatment of skin infections. Systemic corticosteroids may also be used, but are generally reserved for the acute treatment of severe flare-ups. Topical corticosteroids are the first-line pharmacologic treatments for AD, and evidence suggests that these agents may also be beneficial for the prophylaxis of disease flare-ups. Although the prognosis for patients with AD is generally favourable, those patients with severe, widespread disease and concomitant atopic conditions, such as asthma and allergic rhinitis, are likely to experience poorer outcomes.
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Affiliation(s)
- Wade Watson
- Dalhousie University, Division of Allergy, Department of Pediatrics, IWK Health Centre, Halifax, Nova Scotia, Canada
| | - Sandeep Kapur
- Dalhousie University, Division of Allergy, Department of Pediatrics, IWK Health Centre, Halifax, Nova Scotia, Canada
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The atopy patch test: is it time to redefine its significance? Ann Allergy Asthma Immunol 2011; 106:278-82. [PMID: 21457875 DOI: 10.1016/j.anai.2011.01.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2010] [Revised: 12/11/2010] [Accepted: 01/04/2011] [Indexed: 11/18/2022]
Abstract
OBJECTIVE The atopy patch test (APT) was recently defined as an important tool in the diagnosis of atopic eczema/dermatitis syndrome (AEDS). Recent data showed that the APT may be positive also in patients with rhinitis or asthma. We examined the mechanisms that could underlie such findings. DATA SOURCE To locate relevant articles pertaining to the use of APT, MEDLINE databases from 1989 (when the APT was first introduced) to the present were searched. STUDY SELECTION Articles concerning the results of APT in patients with AEDS and with rhinitis or asthma attributable to sensitization to inhalant allergens were examined. RESULTS Recent data show that APT to dust mites is frequently positive, and it may be the only positive test, not only in subjects with AEDS but also in subjects with only respiratory symptoms (rhinitis, asthma) and a history of AEDS. Instead, positive skin prick tests and in vitro immunoglobulin (Ig) E tests prevail in patients with a negative history for AEDS. CONCLUSION Based on the pathophysiology of AEDS, in which the mechanisms of delayed hypersensitivity are predominant, the APT seems to have a greater significance than skin prick tests or in vitro IgE tests in patients with current or past history of AEDS. That different sensitization mechanisms underlie these different clinical expressions seems conceivable. In particular, if mite allergens enter the skin in the presence of a filaggrin-dependent skin barrier dysfunction, the sensitization mechanism seems to be ultimately revealed by a positive APT.
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Chu SY, Chen YJ, Tseng WC, Lin MW, Chen TJ, Hwang CY, Chen CC, Lee DD, Chang YT, Wang WJ, Liu HN. Comorbidity profiles among patients with alopecia areata: the importance of onset age, a nationwide population-based study. J Am Acad Dermatol 2011; 65:949-56. [PMID: 21616562 DOI: 10.1016/j.jaad.2010.08.032] [Citation(s) in RCA: 147] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2010] [Revised: 08/26/2010] [Accepted: 08/30/2010] [Indexed: 02/08/2023]
Abstract
BACKGROUND Alopecia areata (AA) is considered an autoimmune disease with undetermined pathogenesis. Age at onset predicts distinct outcomes. A nationwide study of the relationship of AA with associated diseases stratified by onset age has rarely been reported. OBJECTIVE We sought to clarify the role of atopic and autoimmune diseases in AA, thereby better understanding its pathogenesis. METHODS A total of 4334 patients with AA were identified from the National Health Insurance Database in Taiwan from 1996 to 2008. A national representative cohort of 784,158 persons served as control subjects. RESULTS Among patients with AA, there were significant associations with vitiligo, lupus erythematosus, psoriasis, atopic dermatitis, autoimmune thyroid disease, and allergic rhinitis. Different ages at onset resulted in disparate comorbidities. Increased risk of atopic dermatitis (odds ratio [OR] 3.82, 95% confidence interval 2.67-5.45) and lupus erythematosus (OR 9.76, 95% confidence interval 3.05-31.21) were found in childhood AA younger than 10 years. Additional diseases including psoriasis (OR 2.43) and rheumatoid arthritis (OR 2.57) appeared at onset age 11 to 20 years. Most atopic and autoimmune diseases were observed at onset ages of 21 to 60 years. With onset age older than 60 years, thyroid disease (OR 2.52) was highly related to AA. Moreover, patients with AA had higher risk for more coexisting diseases than control subjects. LIMITATIONS We could not differentiate hypothyroidism from hyperthyroidism. CONCLUSIONS AA is related to various atopic and autoimmune diseases. Different associated diseases in each onset age group of AA can allow clinician to efficiently investigate specific comorbidities.
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Affiliation(s)
- Szu-Ying Chu
- Department of Dermatology, Taipei Veterans General Hospital, Taipei, Taiwan
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Castex-Rizzi N, Charveron M, Merial-Kieny C. Inhibition of TNF-alpha induced-adhesion molecules by Avène Thermal Spring Water in human endothelial cells. J Eur Acad Dermatol Venereol 2011; 25 Suppl 1:6-11. [PMID: 21175868 DOI: 10.1111/j.1468-3083.2010.03893.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND Cell adhesion molecules, such as E-selectin or intercellular adhesion molecule 1 (ICAM-1), play an important role in mediating leucocyte capture and rolling on the surface of blood vessels in atopic skin. The effectiveness of Avène hydrotherapy in patients suffering from atopic dermatitis has previously been demonstrated. Thus, we examined the effect of Avène Thermal Spring Water (TSW) on adhesion molecules to understand its mechanism of action. METHODS Human endothelial cells EA.hy926 were treated with tumour necrosis factor-α (TNFα) in the presence or not of Avène TSW during 4 h. As nuclear factor-κB (NF-κB) is involved in the signalisation of inflammatory mediators such as the adhesion molecules, the translocation of NF-κB in endothelial cells was assessed by immunohistochemistry with anti-NF-κBp65. The protein and mRNA levels of TNFα-induced ICAM-1 and E-selectin were assessed by ELISA assay and RT-PCR. These adhesion molecules were also detected by immunohistochemistry. RESULTS Tumour necrosis factor-α induced the activation of p65 NF-κB nuclear translocation. TNFα also induced E-selectin and ICAM-1 in a dose-dependant manner in EA.hy926 endothelial cells. In the presence of Avène TSW, a significant inhibition of the TNFα-induced E-selectin and ICAM-1 expression (-22% and -7%, respectively, P < 0.05) was observed. CONCLUSION These data suggest that Avène TSW mediated inhibition of TNFα-induced E-selectin and ICAM-1 expression. The inhibition of such adhesion molecules is attributable to the suppression of NF-κB transcription factor pathway activation.
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Affiliation(s)
- N Castex-Rizzi
- Pierre Fabre Dermo-Cosmétique, Laboratoire de Pharmacologie Cellulaire, Toulouse, France.
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36
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Contrasting pathogenesis of atopic dermatitis and psoriasis--part I: clinical and pathologic concepts. J Allergy Clin Immunol 2011; 127:1110-8. [PMID: 21388665 DOI: 10.1016/j.jaci.2011.01.053] [Citation(s) in RCA: 256] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2010] [Revised: 12/27/2010] [Accepted: 01/05/2011] [Indexed: 02/01/2023]
Abstract
Atopic dermatitis and psoriasis are 2 of the most common inflammatory skin diseases. They are similar in that they are complex inherited diseases involving genes that encode immune components and structural proteins that regulate differentiation of epidermal cells. Each disease is characterized by proliferation of epidermal keratinocytes and abnormal cornification or terminal differentiation in the epidermis; skin lesions contain immune infiltrates of T cells, dendritic cells, and other types of leukocytes. We review similarities between the diseases and differences in epidermal barrier defects and immune cells. We also propose mechanisms of pathogenesis based on differences in the balance of immune cell subsets that could cause the phenotypes that distinguish these diseases. The first part of this 2-part review focuses on the clinical and pathologic features of the diseases; the second part discusses differences in immune cell subsets between atopic dermatitis and psoriasis and recent therapeutic strategies.
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Castellani ML, Felaco P, Galzio RJ, Tripodi D, Toniato E, De Lutiis MA, Fulcheri M, Caraffa A, Antinolfi P, Tetè S, Felaco M, Conti F, Pandolfi F, Theoharides TC, Shaik-Dasthagirisaheb YB. IL-31 a Th2 cytokine involved in immunity and inflammation. Int J Immunopathol Pharmacol 2010; 23:709-13. [PMID: 20943040 DOI: 10.1177/039463201002300304] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Cytokines are immunal regulatory proteins, however they also play a relevant role in inflammatory diseases. IL-31 is a newly discovered cytokine expressed primarily in TH2 cells, introduced by activated CD4+ T cells. IL-31 is capable of inducing chemokines and other cytokines in several inflammatory diseases via its surface receptor. This cytokine is also produced by mast cells and mast cell line, suggesting a role in allergic diseases. In this editorial we revisit the biological role of IL-31 in immunity and inflammation.
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Bae CJ, Shim SB, Jee SW, Lee SH, Kim MR, Lee JW, Lee CK, Hwang DY. IL-6, VEGF, KC and RANTES are a major cause of a high irritant dermatitis to phthalic anhydride in C57BL/6 inbred mice. Allergol Int 2010; 59:389-97. [PMID: 20864798 DOI: 10.2332/allergolint.10-oa-0207] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2010] [Accepted: 05/13/2010] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND In previous studies, several strains of mice were used as chemical-induced skin irritation models to identify immunological hazards and elucidate the molecular and cellular mechanisms by which irritant dermatitis disease occur. BALB/c and C57BL/6 mice have been used for most of these experiments. Although there are some differences in the immune response to chemical allergens between these strains, few studies have been conducted to determine what regulatory factors contribute to these variations. METHODS To investigate the cause of high responses to skin irritation in C57BL/6 mice that are widely used to study atopic dermatitis, changes in various immune-related factors such as ear thickness, myeloperoxidase activity, lymph node weight, IgE concentration and cytokine concentration were measured in C57BL/6 and BALB/c mice following phthalic anhydride (PA) treatment. RESULTS Based on analysis of the skin irritation, C57BL/6 mice showed a greater skin irritation to PA than BALB/c mice, although the IgE concentration and auricular lymph node weight did not contribute to this difference in the response. However, the concentration of several cytokines and chemokines (interleukin [IL]-6 and vascular endothelial growth factor [VEGF], keratinocyte-derived chemokine [KC] and regulated on activation normal T cell expressed and secreted [RANTES]) were significantly higher in C57BL/6 mice than BALB/c mice following treatment with PA. CONCLUSIONS Our results suggest that several of the cytokines and chemokines secreted from irritant site could contribute to the regulation mechanism responsible for the difference in the skin irritation among various strains of mice following exposure to PA.
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Affiliation(s)
- Chang-Joon Bae
- Department of Laboratory Animal Resources, National Institute of Toxicological Research, Seoul, Korea
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39
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Ambler CA, Watt FM. Adult epidermal Notch activity induces dermal accumulation of T cells and neural crest derivatives through upregulation of jagged 1. Development 2010; 137:3569-79. [PMID: 20940224 PMCID: PMC2964092 DOI: 10.1242/dev.050310] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/27/2010] [Indexed: 12/13/2022]
Abstract
Notch signalling regulates epidermal differentiation and tumour formation via non-cell autonomous mechanisms that are incompletely understood. This study shows that epidermal Notch activation via a 4-hydroxy-tamoxifen-inducible transgene caused epidermal thickening, focal detachment from the underlying dermis and hair clumping. In addition, there was dermal accumulation of T lymphocytes and stromal cells, some of which localised to the blisters at the epidermal-dermal boundary. The T cell infiltrate was responsible for hair clumping but not for other Notch phenotypes. Notch-induced stromal cells were heterogeneous, expressing markers of neural crest, melanocytes, smooth muscle and peripheral nerve. Although Slug1 expression was expanded in the epidermis, the stromal cells did not arise through epithelial-mesenchymal transition. Epidermal Notch activation resulted in upregulation of jagged 1 in both epidermis and dermis. When Notch was activated in the absence of epidermal jagged 1, jagged 1 was not upregulated in the dermis, and epidermal thickening, blister formation, accumulation of T cells and stromal cells were inhibited. Gene expression profiling revealed that epidermal Notch activation resulted in upregulation of several growth factors and cytokines, including TNFα, the expression of which was dependent on epidermal jagged 1. We conclude that jagged 1 is a key mediator of non-cell autonomous Notch signalling in skin.
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Affiliation(s)
- Carrie A. Ambler
- Cancer Research UK, Cambridge Research Institute, Li Ka Shing Centre, Cambridge CB2 0RE, UK
- School of Biological and Biomedical Sciences and NorthEast England Stem Cell Institute, Durham University, South Road, Durham DH1 3LE, UK
| | - Fiona M. Watt
- Cancer Research UK, Cambridge Research Institute, Li Ka Shing Centre, Cambridge CB2 0RE, UK
- Wellcome Trust Centre for Stem Cell Research, University of Cambridge, Tennis Court Road, Cambridge CB2 1QR, UK
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HUILAN Z, RUNXIANG L, BIHUA L, QING G. Role of the subgroups of T, B, natural killer lymphocyte and serum levels of interleukin-15, interleukin-21 and immunoglobulin E in the pathogenesis of urticaria. J Dermatol 2010; 37:441-7. [DOI: 10.1111/j.1346-8138.2010.00805.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Fang C, Siew LQC, Corrigan CJ, Ying S. The role of thymic stromal lymphopoietin in allergic inflammation and chronic obstructive pulmonary disease. Arch Immunol Ther Exp (Warsz) 2010; 58:81-90. [PMID: 20143171 DOI: 10.1007/s00005-010-0064-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2009] [Accepted: 08/06/2009] [Indexed: 11/26/2022]
Abstract
Thymic stromal lymphopoietin (TSLP) primes dendritic cells to promote a Th2 inflammatory response. Its action is mediated by a heterodimeric receptor which consists of the interleukin-7 receptor alpha chain and the TSLP receptor chain (TSLPR). TSLPR resembles the common gamma chain subunit utilized by many type 1 cytokine receptors. Normal epithelial cells, keratinocytes, and stromal cells constitutively express TSLP. Dendritic cells that are activated by TSLP promote the development of CD4(+) T cells into pro-inflammatory Th2 cells. TSLP thus plays a potentially important role in the pathogenesis of allergic inflammation in asthma and atopic dermatitis. TSLP also has direct effects on other types of cells in the bronchial mucosa. It is over-expressed in the bronchial mucosa in chronic obstructive pulmonary disease (COPD), which is traditionally described as a Th1-related disease, as well as severe asthma, which is traditionally described as a Th2-related disease. In this review we will discuss TSLP expression, function, and available and potential mechanisms in both allergic inflammation and COPD.
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Affiliation(s)
- Cailong Fang
- Division of Asthma, Allergy and Lung Biology, MRC and Asthma UK Centre in Allergic Mechanisms of Asthma, King's College London, London, UK
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Kramer J, Fahey M, Santos R, Carville A, Wachtman L, Mansfield K. Alopecia in Rhesus macaques correlates with immunophenotypic alterations in dermal inflammatory infiltrates consistent with hypersensitivity etiology. J Med Primatol 2010; 39:112-22. [PMID: 20102458 DOI: 10.1111/j.1600-0684.2010.00402.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Although alopecia is a commonly recognized problem affecting many captive Rhesus macaque colonies, there is no consensus as to the underlying etiology or appropriate course of management. METHODS We performed skin biopsies to assess underlying pathology in alopecic Rhesus macaques and performed immunohistochemical and metachromatic staining of these biopsies to assess the cellular infiltrates. RESULTS Alopecia is associated with superficial dermal perivascular mononuclear cell infiltrates and skin pathology consistent with chronic hypersensitivity dermatitis. The inflammation is primarily composed of CD4+ cells admixed with histiocytes and mast cells. Inflammation is correlated with degree of alopecia. Further analysis in different groups of macaques revealed that animals born outdoors or infected with lung mites had reduced dermal inflammatory cell infiltrates and a lower incidence of alopecia. CONCLUSIONS These findings support a hypothesis that an altered housing status resulting in decreased pathogen burden in Rhesus macaque colonies may contribute to dermal immunophenotypic alterations and subsequent development of dermatitis with resultant alopecia.
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Affiliation(s)
- Joshua Kramer
- Harvard Medical School, New England Primate Research Center, Southborough, MA 01772, USA
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The Symptoms of Atopic Dermatitis in NC/Nga Mice Were Significantly Relieved by the Water Extract ofLiriope platyphylla. Lab Anim Res 2010. [DOI: 10.5625/lar.2010.26.4.377] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Current world literature. Curr Opin Allergy Clin Immunol 2009; 9:482-8. [PMID: 19690478 DOI: 10.1097/aci.0b013e3283312f84] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Qi XF, Kim DH, Yoon YS, Jin D, Huang XZ, Li JH, Deung YK, Lee KJ. Essential involvement of cross-talk between IFN-gamma and TNF-alpha in CXCL10 production in human THP-1 monocytes. J Cell Physiol 2009; 220:690-7. [PMID: 19472212 DOI: 10.1002/jcp.21815] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Interferon (IFN)-gamma-induced protein 10 (IP-10/CXCL10), a CXC chemokine, has been documented in several inflammatory and autoimmune disorders including atopic dermatitis and bronchial asthma. Although CXCL10 could be induced by IFN-gamma depending on cell type, the mechanisms regulating CXCL10 production following treatment with combination of IFN-gamma and TNF-alpha have not been adequately elucidated in human monocytes. In this study, we showed that TNF-alpha had more potential than IFN-gamma to induce CXCL10 production in THP-1 monocytes. Furthermore, IFN-gamma synergistically enhanced the production of CXCL10 in parallel with the activation of NF-kappaB in TNF-alpha-stimulated THP-1 cells. Blockage of STAT1 or NF-kappaB suppressed CXCL10 production. JAKs inhibitors suppressed IFN-gamma plus TNF-alpha-induced production of CXCL10 in parallel with activation of STAT1 and NF-kappaB, while ERK inhibitor suppressed production of CXCL10 as well as activation of NF-kappaB, but not that of STAT1. IFN-gamma-induced phosphorylation of JAK1 and JAK2, whereas TNF-alpha induced phosphorylation of ERK1/2. Interestingly, IFN-gamma alone had no effect on phosphorylation and degradation of IkappaB-alpha, whereas it significantly promoted TNF-alpha-induced phosphorylation and degradation of IkappaB-alpha. These results suggest that TNF-alpha induces CXCL10 production by activating NF-kappaB through ERK and that IFN-gamma induces CXCL10 production by increasing the activation of STAT1 through JAKs pathways. Of note, TNF-alpha-induced NF-kappaB may be the primary pathway contributing to CXCL10 production in THP-1 cells. IFN-gamma potentiates TNF-alpha-induced CXCL10 production in THP-1 cells by increasing the activation of STAT1 and NF-kappaB through JAK1 and JAK2.
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Affiliation(s)
- Xu-Feng Qi
- Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University, Wonju 220-701, Gangwon, Republic of Korea
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Anti-allergic effects of white rose petal extract and anti-atopic properties of its hexane fraction. Arch Pharm Res 2009; 32:823-30. [PMID: 19557358 DOI: 10.1007/s12272-009-1602-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2009] [Revised: 04/29/2009] [Accepted: 05/20/2009] [Indexed: 10/20/2022]
Abstract
Rosa rugosa is a species of rose native to eastern Asia. The root of R. rugosa has been used to treat diabetes mellitus, pain and chronic inflammatory disease, and a R. rugosa petal extract has a strong anti-oxidant effect. In the present study, we examined if solvent fractions from white rose petal extract (WRPE) had any anti-allergic or anti-atopic effects not previously reported. WRPE and butanol and hexane fractions effectively reduced systemic anaphylactic reactions and anti-dinitrophenyl (DNP) IgE-mediated passive cutaneous anaphylaxis in mice, with the greatest inhibition observed for the hexane fraction. In addition, a significant reduction of scratching behavior by mice after histamine injection suggested this fraction's potential anti-allergic effect. At the cell level, the hexane fraction markedly inhibited beta-hexosaminidase release from RBL-2H3 mast cells and suppressed the expressions of mRNA interferon-gamma and interleukin-4 cytokines produced by T helper cells (type 1 and 2). These results strongly support that the hexane fraction may have an effect on atopic dermatitis, as these 2 cell types play central roles in the pathogenesis of atopic dermatitis. In conclusion, these results suggest that either the hexane fraction or one of its components may be beneficial for the treatment of allergic diseases, including atopic dermatitis.
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