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Gao J, Li D, Feng Z, Zhu X, Yang F, Zhang B, Hu M, Wang Y, Feng H, Yu Y, Xie Q, Chen Z, Li Y. Diterpenoid DGT alleviates atopic dermatitis-like responses in vitro and in vivo via targeting IL-4Rα. Biomed Pharmacother 2024; 179:117321. [PMID: 39191027 DOI: 10.1016/j.biopha.2024.117321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 08/09/2024] [Accepted: 08/21/2024] [Indexed: 08/29/2024] Open
Abstract
BACKGROUND Atopic dermatitis is a common chronic inflammatory skin disease characterized by relapsing eczema and intense itch. DGT is a novel synthetic heterocyclic diterpenoid derived from plants. Its therapeutic potential and mechanism(s) of action are poorly understood. OBJECTIVES We investigated the potent therapeutic effect of DGT on atopic dermatitis, exploring the underlying mechanisms and determining whether DGT is a safe and well-tolerated topical treatment. METHODS We observed anti-inflammatory effects of DGT on tumor necrosis factor-α/interferon-γ-treated human keratinocytes, and anti-allergic effects on immunoglobulin E-sensitized bone marrow-derived mast cells. In vivo, DGT was topically applied to two experimental mouse models of atopic dermatitis: oxazolone-induced sensitization and topically applied calcipotriol. Then the therapeutic effects of DGT were evaluated physiologically and morphologically. Moreover, we performed nonclinical toxicology and safety pharmacology research, including general toxicity, pharmacokinetics, and safety pharmacology on the cardiovascular, respiratory, and central nervous systems. RESULTS In keratinocytes, DGT reduced the expression of inflammatory factors, promoting the expression of barrier functional proteins and tight junctions and maintaining the steady state of barrier function. DGT also inhibited the activation and degranulation of mast cells induced by immunoglobulin E. Moreover, we found that interleukin-4 receptor-α was the possible target of DGT. Meanwhile, DGT had therapeutic effects on oxazolone/calcipotriol-treated mice. Notably, our pharmacology results demonstrated that DGT was safe and nontoxic in our studies. CONCLUSION DGT's potent anti-inflammatory effects and good safety profile suggest that it is a potential candidate for the treatment of atopic dermatitis.
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Affiliation(s)
- Jingjing Gao
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Suzhou Medical College of Soochow University, Suzhou, China; Department of Laboratory Medicine, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou Municipal Hospital, Suzhou, China
| | - Dong Li
- Department of Pharmacology, Suzhou Pharmavan Co., Ltd, Suzhou, China
| | - Zhangyang Feng
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Suzhou Medical College of Soochow University, Suzhou, China
| | - Xiaoqiang Zhu
- Department of Pharmacology, Suzhou Pharmavan Co., Ltd, Suzhou, China
| | - Fei Yang
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Suzhou Medical College of Soochow University, Suzhou, China; Department of Pharmacology, Suzhou Pharmavan Co., Ltd, Suzhou, China
| | - Biyan Zhang
- Department of Pharmacology, Suzhou Pharmavan Co., Ltd, Suzhou, China
| | - Mingming Hu
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Suzhou Medical College of Soochow University, Suzhou, China
| | - Yanping Wang
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Suzhou Medical College of Soochow University, Suzhou, China
| | - Haimei Feng
- Department of Pharmacology, Suzhou Pharmavan Co., Ltd, Suzhou, China
| | - Yunhui Yu
- Department of Pharmacology, Suzhou Pharmavan Co., Ltd, Suzhou, China
| | - Qing Xie
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Suzhou Medical College of Soochow University, Suzhou, China.
| | - Zijun Chen
- College of traditional Chinese medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
| | - Yunsen Li
- Jiangsu Key Laboratory of Infection and Immunity, Institutes of Biology and Medical Sciences, Suzhou Medical College of Soochow University, Suzhou, China.
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Sandoval A, Jung Y, Kim I, Sadigh N, Kwon J, Demirdag YY, Naderi AG, Jean T. Evaluation of atopic diseases in patients with allergic contact dermatitis. Allergy Asthma Proc 2024; 45:262-267. [PMID: 38982608 DOI: 10.2500/aap.2024.45.240019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
Background: There is controversy on whether allergic contact dermatitis (ACD) is associated with atopy. Research on eczema and the risk of ACD is mixed, and there is sparse literature on other atopic conditions. Objective: Our study examined the prevalence of several atopic conditions, including allergic rhinitis, eczema, asthma, and food allergies in patients with ACD, and compared these to patients without ACD. Methods: We retrospectively reviewed adult patients ages ≥ 18 years with ACD (n = 162) with positive patch testing results and documented any history of atopy, including childhood eczema, asthma, allergic rhinitis, and immunoglobulin E-mediated food allergy. The prevalence of atopic conditions was compared between our ACD cohort and controls without ACD (n = 163) from our electronic medical records system (age and gender matched). Results: Among our patients with ACD, 53 (33%) had allergic rhinitis, 22 (14%) had childhood eczema, 32 (20%) had asthma, and 8 (5%) had food allergies. We observed that the odds of atopy overall (n = 76) in the ACD group compared with the control group were increased (odds ratio [OR] 1.88; p = 0.007). Allergic rhinitis was the highest risk factor (n = 53) with an OR of 12.64 (p < 0.001). Childhood eczema (n = 22) was also increased in the ACD group (OR 2.4; p = 0.026). The odds of asthma and food allergy in the ACD group were also increased; however, the difference was not statistically significant from the control group (OR 1.76 [p = 0.071] and OR 2.76 [p = 0.139], respectively). Conclusion: Patients with ACD had increased odds of eczema, allergic rhinitis, and atopic conditions overall. Asthma and food allergies were not found to have a statistically significant correlation. Larger studies that delve into atopic risk factors in ACD would be important to confirm these findings.
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Affiliation(s)
- Ashley Sandoval
- From the Division of Basic and Clinical Immunology, Department of Medicine, University of California Irvine, Orange, California
| | - Yela Jung
- From the Division of Basic and Clinical Immunology, Department of Medicine, University of California Irvine, Orange, California
| | - Iris Kim
- From the Division of Basic and Clinical Immunology, Department of Medicine, University of California Irvine, Orange, California
| | - Nina Sadigh
- Department of Allergy, Asthma, and Clinical Immunology, Kaiser Permanente Los Angeles Medical Center, Los Angeles, California
| | - Jimmy Kwon
- Department of Statistics, University of California Irvine, Irvine, California, and
| | - Yesim Yilmaz Demirdag
- From the Division of Basic and Clinical Immunology, Department of Medicine, University of California Irvine, Orange, California
| | - Asal Gharib Naderi
- Division of Geriatric, Hospital, Palliative and General Internal Medicine, Keck School of Medicine of the University of Southern California, Los Angeles, California
| | - Tiffany Jean
- Department of Allergy, Asthma, and Clinical Immunology, Kaiser Permanente Los Angeles Medical Center, Los Angeles, California
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Markota Čagalj A, Markic J, Vuković D, Šitum Čeprnja Z, Gogić Salapić T, Buljan I, Pranić SM. Linguistic Validation and Reliability of the Croatian Version of the TOPICOP Questionnaire. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:968. [PMID: 38929585 PMCID: PMC11205604 DOI: 10.3390/medicina60060968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 06/01/2024] [Accepted: 06/08/2024] [Indexed: 06/28/2024]
Abstract
Background and Objectives: This study demonstrates the factor structure and reliability of the Croatian version of the TOPICOP (Topical Corticosteroid Phobia) questionnaire, thereby contributing to further validation and standardization of the measurement of topical corticophobia with dermatological patients or their parents, which directly affects patient or parent compliance, as well as the final therapeutic effect. Materials and Methods: The cross-sectional, observational study was conducted at the University Hospital Centre Split, Department of Dermatovenerology. The research involved inviting 120 participants (age 12-68) who attended the University Hospital Centre Split's Atopy School, patients examined in the Dermatology Outpatient Clinic of the University Hospital Centre Split and diagnosed with atopic dermatitis (AD) or allergic contact dermatitis (ACD), and parents or legal representatives of patients younger than 12 years old. The TOPICOP questionnaire consists of 12 items assessing the three different components of topical corticophobia (worries, beliefs, and behaviour). Respondents evaluated their perception of the correctness of each statement within 10 min of filling out the questionnaire on a four-point Likert scale. Results: The response rate was 94%, resulting in a sample of 113 respondents (109 adults and 4 children). Factor analysis yielded one common factor of relatively high reliability (Cronbach α = 0.85, 95% CI 0.81 to 0.89). No differences were found in questionnaire scores between male and female participants, nor between the parents/legal representatives of dermatological patients and other patients. Conclusions: This research contributes to further development of the appropriate measuring instrument, its practical application, and thus, the better recognition, resolution, and prevention of topical corticophobia as part of the better overall healthcare and treatment of chronic dermatological patients.
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Affiliation(s)
- Adela Markota Čagalj
- Department of Dermatology and Venereology, University Hospital of Split, Spinčićeva 1, 21000 Split, Croatia; (A.M.Č.); (Z.Š.Č.); (T.G.S.)
- School of Medicine, University of Split, Šoltanska 2, 21000 Split, Croatia;
| | - Josko Markic
- School of Medicine, University of Split, Šoltanska 2, 21000 Split, Croatia;
- Department of Pediatrics, University Hospital of Split, Spinčićeva 1, 21000 Split, Croatia
| | - Dubravka Vuković
- Department of Dermatology and Venereology, University Hospital of Split, Spinčićeva 1, 21000 Split, Croatia; (A.M.Č.); (Z.Š.Č.); (T.G.S.)
- School of Medicine, University of Split, Šoltanska 2, 21000 Split, Croatia;
| | - Zdenka Šitum Čeprnja
- Department of Dermatology and Venereology, University Hospital of Split, Spinčićeva 1, 21000 Split, Croatia; (A.M.Č.); (Z.Š.Č.); (T.G.S.)
- School of Medicine, University of Split, Šoltanska 2, 21000 Split, Croatia;
| | - Tina Gogić Salapić
- Department of Dermatology and Venereology, University Hospital of Split, Spinčićeva 1, 21000 Split, Croatia; (A.M.Č.); (Z.Š.Č.); (T.G.S.)
- School of Medicine, University of Split, Šoltanska 2, 21000 Split, Croatia;
| | - Ivan Buljan
- Department of Psychology, Faculty of Humanities and Social Sciences in Split, University of Split, Poljička cesta 35, 21000 Split, Croatia;
| | - Shelly Melissa Pranić
- Department of Public Health, School of Medicine, University of Split, Cohrane Croatia, Šoltanska 2, 21000 Split, Croatia;
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Rodas-Areiza JS, Crespo-Vergara NM, Calle-Álvarez AM, Díez-Zuluaga LS, Santamaría-Salazar LC. Patch Test Results with the Latin American Baseline Series in a Colombian Population. 2016-2021. Dermatitis 2024. [PMID: 38842461 DOI: 10.1089/derm.2023.0188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
Background: Contact dermatitis (CD) is one of the most prevalent skin diseases. It is commonly divided into irritant contact dermatitis (ICD) and allergic contact dermatitis (ACD). Patch testing is a procedure used to support the diagnosis of ACD. This test should be interpreted along with the clinical history and morphology of the skin lesions to determine clinical relevance. Objective: To describe the sensitization patterns of patients undergoing patch testing with the Latin American baseline series. Methods: A single-center retrospective study was performed. For the study, patients older than 18 years with a clinical diagnosis of contact dermatitis, who underwent patch testing using the Latin American baseline series were considered. These tests took place at the Alma Mater Hospital of Antioquia between January 1, 2016, and December 31, 2021. Results: A total of 648 patients were included. Patch tests were positive in 63% of cases, with a mean age of 51.5 years. Around 36.6% had atopy-related diseases. The main occupation was housework (30.7%). The hands were the most affected area in the body (31%). The main allergens were nickel sulfate (34%), sodium tetrachloropalladate (24.2%), and thimerosal (8.0%). Fifteen allergens had a percentage below 1%. Hydrocortisone and budesonide did not yield positive results. Conclusion: Nickel sulfate was the most frequent allergen, and women were the most affected. The information gathered could be useful for adjusting the allergens that should be included in the regional baseline series, taking into account the frequency found.
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Affiliation(s)
- Juan Sebastián Rodas-Areiza
- From the Clinical and Experimental Allergology Group (GACE), Alma Mater Hospital of Antioquia, University of Antioquia, Medellin, Colombia
| | - Nardey María Crespo-Vergara
- From the Clinical and Experimental Allergology Group (GACE), Alma Mater Hospital of Antioquia, University of Antioquia, Medellin, Colombia
| | - Ana María Calle-Álvarez
- Clinical and Experimental Allergology Group (GACE), Alma Mater Hospital of Antioquia, University of Antioquia, San Vicente Foundation Hospital, Medellin, Colombia
| | - Libia Susana Díez-Zuluaga
- Clinical and Experimental Allergology Group (GACE), Alma Mater Hospital of Antioquia, Medellín, Colombia
| | - Luis Carlos Santamaría-Salazar
- Clinical and Experimental Allergology Group (GACE), Alma Mater Hospital of Antioquia, University of Antioquia, San Vicente Foundation Hospital, Medellin, Colombia
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Stras A, Grassmann A, Van Campenhout P, Deconinck E, Vanhaecke T, Desmedt B. Analysis of preservatives and fragrances in topical medical devices: The need for more stringent regulation. Contact Dermatitis 2024; 90:594-606. [PMID: 38471795 DOI: 10.1111/cod.14533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 01/11/2024] [Accepted: 02/20/2024] [Indexed: 03/14/2024]
Abstract
INTRODUCTION Medical devices (MDs) have a long history of use, and come with regulatory frameworks to ensure user safety. Although topically applied MDs in the form of gels and creams might be used on damaged skin, their composition is often similar to that of cosmetic products applicable to intact skin, especially in terms of preservatives and fragrances. However, unlike cosmetics, these products are not subject to compound-specific restrictions when used in MDs. OBJECTIVE This study aimed to identify and quantify preservatives and fragrances in topically applied MDs and assess their safety towards the Cosmetic Regulation (EC) 1223/2009. METHOD Sixty-nine MDs available on the EU market were subjected to previously validated liquid chromatography tandem mass spectrometry (LC-MS/MS) and gas chromatography-mass spectrometry (GC-MS) methods to identify and quantify occurring preservatives and fragrances. RESULTS Findings revealed that 32% of the examined MDs did not provide comprehensive ingredient lists, leaving users uninformed about potential risks associated with product use. Furthermore, 30% of these MDs would not meet safety standards for cosmetic products and, most significantly, 13% of the analysed samples contained ingredients that are prohibited in leave-on cosmetics. CONCLUSION Results highlight the pressing demand for more stringent requirements regarding the labelling and composition of MDs to enhance patient safety. Improved regulation and transparency can mitigate potential risks associated with the use of topically applied MDs.
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Affiliation(s)
- Ania Stras
- Medicines and Health Products, Sciensano, Elsene, Belgium
- Department In Vitro Toxicology and Dermato-Cosmetology (IVTD), Vrije Universiteit Brussel, Jette, Belgium
| | | | | | - Eric Deconinck
- Medicines and Health Products, Sciensano, Elsene, Belgium
| | - Tamara Vanhaecke
- Department In Vitro Toxicology and Dermato-Cosmetology (IVTD), Vrije Universiteit Brussel, Jette, Belgium
| | - Bart Desmedt
- Medicines and Health Products, Sciensano, Elsene, Belgium
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van Zuuren EJ, Arents BWM, Vermeulen S, Schoones JW, Fedorowicz Z. Global Guidelines in Dermatology Mapping Project (GUIDEMAP)-A systematic review of the methodological quality of contact dermatitis clinical practice guidelines. Contact Dermatitis 2024; 90:543-555. [PMID: 38403277 DOI: 10.1111/cod.14530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 02/11/2024] [Accepted: 02/13/2024] [Indexed: 02/27/2024]
Abstract
The Global Guidelines in Dermatology Mapping Project (GUIDEMAP) assesses the methodological quality of clinical practice guidelines (CPGs) for high-burden skin diseases. This review focuses on contact dermatitis. We searched MEDLINE, Embase, PubMed, Web of Science, Cochrane Library, Emcare, Epistemonikos, PsycINFO and Academic Search Premier for CPGs published between 1 November 2018 and 1 November 2023. Prespecified guideline resources were hand searched. Two authors independently undertook screening, data extraction and quality assessments. Instruments used were the Appraisal of Guidelines for Research and Evaluation (AGREE) II Reporting Checklist, the U.S. Institute of Medicine's (IOM) criteria of trustworthiness, The Agency for Healthcare Research and Quality's National Guideline Clearinghouse Extent Adherence to Trustworthy Standards (NEATS) Instrument and Lenzer's Red Flags. Twenty five CPGs were included, exhibiting heterogeneity in both the topics they addressed and their methodological quality. Whereas the CPGs on management of hand eczema from Denmark, Europe and the Netherlands scored best, most CPGs fell short of being clear, unbiased, trustworthy and evidence-based. Disclosure of conflicts of interest scored well, and areas needing improvement include 'strength and wording of recommendations', 'applicability', 'updating' and 'external review'. Adhering to AGREE II and Grading of Recommendations, Assessment, Development and Evaluations (GRADE) enhances methodological quality.
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Affiliation(s)
- Esther J van Zuuren
- Dermatology Department, Leiden University Medical Centre, Leiden, The Netherlands
| | - Bernd W M Arents
- Dutch Association for People with Atopic Dermatitis, Nijkerk, The Netherlands
| | - Sofieke Vermeulen
- Department of Dermatology, Amsterdam University Medical Center, Amsterdam, The Netherlands
| | - Jan W Schoones
- Directorate of Research Policy (formerly: Walaeus Library), Leiden University Medical Centre, Leiden, The Netherlands
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Asbóth D, Bánfi B, Kocsis D, Erdő F. Rodent models of dermatological disorders. Ital J Dermatol Venerol 2024; 159:303-317. [PMID: 38287740 DOI: 10.23736/s2784-8671.23.07700-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2024]
Abstract
To assess the possible beneficial effects of drugs and drug candidates, different dermatological disease models are available in rodents. These models are able to mimic one or more characteristic features of the disorders, but not completely recapitulate the pathogenesis of the human skin diseases. Therefore, to improve the technology many new models have been developed both by genetic engineering and by chemical or physical induction. Currently the in vivo rodent models provide the physiologically most relevant approach to produce the pathology related to the majority of dermatological diseases. In this short review some widely used animal techniques (psoriasis, allergic contact dermatitis, atopic dermatitis, wound healing, melanoma and non-melanoma type skin cancers and UV erythema) are shown which are currently applied in pharmacological, pharmacokinetic, pharmaceutical and dermatological research. First the main points of the human pathomechanism are shown and afterwards the rodent models are briefly discussed. Finally critical evaluation is provided by the authors. However, according to the 3R rule the number of experimental animals is strongly suggested to be reduced, therefore the advanced in vitro and ex vivo techniques become more and more important contrary to in vivo preclinical methods also in dermatological research. As it is described in the outlook section, although the 2D/3D in vitro and skin on-a-chip techniques are promising and have many advantages they are not able to completely substitute the animal models in their vascular, immunological, secretory and neural complexity.
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Affiliation(s)
- Dorottya Asbóth
- Pediatric Dermatology Center, Szent János Center Hospital in North Buda, Budapest, Hungary
| | - Barnabás Bánfi
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, Budapest, Hungary
- Faculty of Science, Eötvös Loránd University, Budapest, Hungary
| | - Dorottya Kocsis
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, Budapest, Hungary
| | - Franciska Erdő
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, Budapest, Hungary -
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Lee E, Kale A, Gaspari AA. Toll-Like Receptors and Contact Dermatitis. Dermatitis 2024. [PMID: 38778705 DOI: 10.1089/derm.2023.0311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
Contact dermatitis (CD) is a common cutaneous inflammatory condition that affects millions of people worldwide. Xenobiotic agents are frequently encountered in substances used in everyday life, making it difficult to avoid personal and occupational exposure. Toll-like receptors (TLRs) are transmembrane receptors that modulate the innate immune system in response to tissue injury or infection. TLRs play a key role in the pathophysiology of contact dermatitis. TLR signaling is involved in three major forms of CD: protein CD, allergic contact dermatitis (ACD), and irritant CD. Of the 10 TLRs found in humans, three play an important role in ACD. This makes TLRs a useful potential therapeutic target to consider against CD. In this review, we discuss the role of TLRs in CD and summarize current and emerging treatments for CD that target TLRs.
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Affiliation(s)
- Emily Lee
- From the Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Aditi Kale
- Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
| | - Anthony A Gaspari
- Department of Dermatology and Cutaneous Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
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Xue M, Jackson CJ, Lin H, Zhao R, Liang HPH, Weiler H, Griffin JH, March L. Endothelial Protein C Receptor and 3K3A-Activated Protein C Protect Mice from Allergic Contact Dermatitis in a Contact Hypersensitivity Model. Int J Mol Sci 2024; 25:1255. [PMID: 38279255 PMCID: PMC10816322 DOI: 10.3390/ijms25021255] [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: 12/10/2023] [Revised: 01/08/2024] [Accepted: 01/12/2024] [Indexed: 01/28/2024] Open
Abstract
Endothelial protein C receptor (EPCR) is a receptor for the natural anti-coagulant activated protein C (aPC). It mediates the anti-inflammatory and barrier-protective functions of aPC through the cleavage of protease-activated receptor (PAR)1/2. Allergic contact dermatitis is a common skin disease characterized by inflammation and defective skin barrier. This study investigated the effect of EPCR and 3K3A-aPC on allergic contact dermatitis using a contact hypersensitivity (CHS) model. CHS was induced using 1-Fluoro-2,4-dinitrobenzene in EPCR-deficient (KO) and matched wild-type mice and mice treated with 3K3A-aPC, a mutant form of aPC with diminished anti-coagulant activity. Changes in clinical and histological features, cytokines, and immune cells were examined. EPCRKO mice displayed more severe CHS, with increased immune cell infiltration in the skin and higher levels of inflammatory cytokines and IgE than wild-type mice. EPCR, aPC, and PAR1/2 were expressed by the skin epidermis, with EPCR presenting almost exclusively in the basal layer. EPCRKO increased the epidermal expression of aPC and PAR1, whereas in CHS, their expression was reduced compared to wild-type mice. 3K3A-aPC reduced CHS severity in wild-type and EPCRKO mice by suppressing immune cell infiltration/activation and inflammatory cytokines. In summary, EPCRKO exacerbated CHS, whereas 3K3A-aPC could reduce the severity of CHS in both EPCRKO and wild-type mice.
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Affiliation(s)
- Meilang Xue
- Sutton Arthritis Research Laboratory, Kolling Institute, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2065, Australia; (H.L.); (R.Z.); (H.P.H.L.)
- The Australian Arthritis and Autoimmune Biobank Collaborative (A3BC), Kolling Institute, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2065, Australia;
| | - Christopher J. Jackson
- Sutton Arthritis Research Laboratory, Kolling Institute, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2065, Australia; (H.L.); (R.Z.); (H.P.H.L.)
| | - Haiyan Lin
- Sutton Arthritis Research Laboratory, Kolling Institute, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2065, Australia; (H.L.); (R.Z.); (H.P.H.L.)
- The Australian Arthritis and Autoimmune Biobank Collaborative (A3BC), Kolling Institute, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2065, Australia;
| | - Ruilong Zhao
- Sutton Arthritis Research Laboratory, Kolling Institute, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2065, Australia; (H.L.); (R.Z.); (H.P.H.L.)
| | - Hai Po H. Liang
- Sutton Arthritis Research Laboratory, Kolling Institute, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2065, Australia; (H.L.); (R.Z.); (H.P.H.L.)
| | - Hartmut Weiler
- Versiti Blood Research Institute, Milwaukee, WI 53226, USA;
- Department of Physiology, The Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - John H. Griffin
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA 92037, USA;
| | - Lyn March
- The Australian Arthritis and Autoimmune Biobank Collaborative (A3BC), Kolling Institute, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2065, Australia;
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Chaiyabutr C, Sereeaphinan C, Prasertsook S, Boonchai W. Allergic contact dermatitis to footwear in Thailand: Prevalence, clinical characteristics and common allergens. Contact Dermatitis 2024; 90:51-59. [PMID: 37750414 DOI: 10.1111/cod.14428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 09/08/2023] [Accepted: 09/14/2023] [Indexed: 09/27/2023]
Abstract
BACKGROUND Footwear contact allergy is caused by exposure to allergens in shoes. The prevalence and common allergens vary by region and time due to differences in customs and lifestyle. OBJECTIVES To determine the clinical characteristics and common allergens of patients with footwear-related allergic contact dermatitis (ACD) who attended Siriraj Hospital in Bangkok, Thailand, between 2001 and 2020. METHODS The medical records of 247 patients with clinically suspected footwear dermatitis who underwent patch testing were reviewed. RESULTS The prevalence of ACD to footwear was 1.8%. Females were predominant (71.6%). The three most common allergens were carba mix (7.7%), mercapto mix (6.9%) and potassium dichromate (6.9%). According to the allergens found, rubber (14.2%), adhesives (7.7%) and leathers (6.9%) were the three most common groups. Dorsal-limited skin lesions were significantly associated with footwear ACD. CONCLUSION Rubber and leather allergens were still the most common culprit allergens. Dermatologists should keep up-to-date on common allergens in footwear and emerging allergens to include in patch test series.
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Affiliation(s)
- Chayada Chaiyabutr
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Chudapa Sereeaphinan
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Suthasanee Prasertsook
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Waranya Boonchai
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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Singal A, Lipner SR. A review of skin disease in military soldiers: challenges and potential solutions. Ann Med 2023; 55:2267425. [PMID: 37844200 PMCID: PMC10580865 DOI: 10.1080/07853890.2023.2267425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 10/01/2023] [Indexed: 10/18/2023] Open
Abstract
Introduction: Military soldiers comprised 1,195 million United States active-duty members and 778,000 reserve members in 9/2021. Soldiers are often exposed to drastic climates, environments, and living conditions which may make them more susceptible to cutaneous diseases.Methods: A PubMed search of studies published between 1/1/2002 - 8/30/2022, using MeSH terms: ((("Military Personnel"[Majr]) OR "Military Hygiene"[Majr])) OR "Military Medicine"[Majr]) AND "Skin Diseases"[Majr]), the reference lists of select articles, and other applicable sources were reviewed to identify articles on skin conditions affecting military soldiers and treatment options.Discussion: In this article, we review skin conditions that affect military soldiers in both the deployed and non-deployed settings including infectious diseases, arthropod associated diseases, sexually transmitted infections, ultraviolet radiation related skin disease, acne, diseases of hair and hair follicles, dermatitis, onychocryptosis, and conditions caused by extreme weather conditions and occupational exposures. We also discuss treatment options and prevention methods as they relate to military settings.Conclusion: Dermatological conditions can considerably impact soldiers' wellbeing and military performance, often lead to evacuation of military personnel, and are associated with high financial costs. Cutaneous disease is one of most common reasons for soldiers to seek medical care and may cause significant morbidity. Serving in the military often impacts and limits treatment options.
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Affiliation(s)
| | - Shari R. Lipner
- Department of Dermatology, Weill Cornell Medicine, New York, NY, USA
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12
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Fernandez E, Phillips E, Saeed HN. Ocular involvement in allergic drug reactions. Curr Opin Allergy Clin Immunol 2023; 23:397-408. [PMID: 37493235 DOI: 10.1097/aci.0000000000000932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
Abstract
PURPOSE OF REVIEW Many systemic medications have been observed to cause ocular toxicity. A subset of these reactions is thought to involve immunomodulation or a hypersensitivity reaction. As new medications are developed, ocular adverse effects are becoming increasingly prevalent. Herein we review immune-mediated drug reactions affecting they eye with special attention to the hypersensitivity mechanisms leading to ocular toxicity. RECENT FINDINGS Recent work has focused on mechanisms and risk of immune-mediated ocular adverse drug reactions including genetic susceptibility and loss of ocular immune privilege. SUMMARY Given the consequences of immune-mediated ocular adverse drug reactions, clinicians must be aware of these to facilitate early recognition and management. The prompt involvement of an ophthalmologist for diagnosis and management is often essential to preserve vision and avoid long-term morbidity.
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Affiliation(s)
- Edward Fernandez
- Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University School of Medicine
| | - Elizabeth Phillips
- Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University School of Medicine
- Center for Drug Safety and Immunology, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Hajirah N Saeed
- Department of Ophthalmology, Illinois Eye and Ear Infirmary, University of Illinois Chicago, Chicago, Illinois
- Department of Ophthalmology, Loyola University Medical Center, Maywood, IL, USA
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13
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Tramontana M, Hansel K, Bianchi L, Sensini C, Malatesta N, Stingeni L. Advancing the understanding of allergic contact dermatitis: from pathophysiology to novel therapeutic approaches. Front Med (Lausanne) 2023; 10:1184289. [PMID: 37283623 PMCID: PMC10239928 DOI: 10.3389/fmed.2023.1184289] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Accepted: 04/18/2023] [Indexed: 06/08/2023] Open
Abstract
Allergic contact dermatitis (ACD) is a common inflammatory skin disease that, especially when the condition becomes chronic, has a high impact on the quality of life and represents a significant disease burden. ACD represents a type IV delayed-type hypersensitivity reaction that is triggered by contact with an allergen in previously sensitized individuals through the activation of allergen-specific T cells. In the acute phase, it is characterized by eczematous dermatitis, which presents with erythema, edema, vesicles, scaling, and intense itch. Non-eczematous clinical forms are also described (lichenoid, bullous, and lymphomatosis). Lichenification is the most common clinical picture in the chronic phase if the culprit allergen is not found or eliminated. ACD can be associated with both occupational and non-occupational exposure to allergens, representing approximately 90% of occupational skin disorders along with irritant contact dermatitis. Patch testing with suspected allergens is required for a diagnosis. Metals, especially nickel, fragrance mix, isothiazolinones, and para-phenylenediamine, are the most commonly positive allergens in patients patch tested for suspected ACD. The treatment goal is to avoid contact with the culprit agent and use topical and/or systemic corticosteroid therapy.
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14
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Wongchang T, Pluangnooch P, Hongeng S, Wongkajornsilp A, Thumkeo D, Soontrapa K. Inhibition of DYRK1B suppresses inflammation in allergic contact dermatitis model and Th1/Th17 immune response. Sci Rep 2023; 13:7058. [PMID: 37120440 PMCID: PMC10148813 DOI: 10.1038/s41598-023-34211-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Accepted: 04/26/2023] [Indexed: 05/01/2023] Open
Abstract
Allergic contact dermatitis (ACD) is a type IV hypersensitivity mainly mediated by Th1/Th17 immune response. Topical corticosteroid is currently the first-line treatment for allergic contact dermatitis (ACD) and systemic administration of immunosuppressive drugs are used in patients with severe disseminated cases. However, increased risk of adverse effects has limited their use. Thus, the development of a novel immunosuppressant for ACD with low toxicity is a challenging issue. In this study, we began our study by using a murine contact hypersensitivity (CHS) model of ACD to examine the immunosuppressive effects of DYRK1B inhibition. We found that mice treated with a selective DYRK1B inhibitor show reduced ear inflammation. In addition, a significant reduction of Th1 and Th17 cells in the regional lymph node upon DYRK1B inhibition was observed by FACS analysis. Studies in vitro further revealed that DYRK1B inhibitor does not only suppressed Th1 and Th17 differentiation, but also promotes regulatory T cells (Treg) differentiation. Mechanistically, FOXO1 signaling was enhanced due to the suppression of FOXO1Ser329 phosphorylation in the presence of DYRK1B inhibitor. Therefore, these findings suggest that DYRK1B regulates CD4 T cell differentiation through FOXO1 phosphorylation and DYRK1B inhibitor has a potential as a novel agent for treatment of ACD.
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Affiliation(s)
- Thamrong Wongchang
- Department of Pharmacology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
- Division of Pharmacology, Department of Pharmaceutical Care, School of Pharmaceutical Sciences, University of Phayao, Phayao, Thailand
| | - Panwadee Pluangnooch
- Department of Pharmacology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Suradej Hongeng
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
- Excellent Center for Drug Discovery, Mahidol University, Bangkok, Thailand
| | - Adisak Wongkajornsilp
- Department of Pharmacology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand
| | - Dean Thumkeo
- Department of Drug Discovery Medicine, Medical Innovation Center, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Kitipong Soontrapa
- Department of Pharmacology, Faculty of Medicine Siriraj Hospital, Mahidol University, 2 Wanglang Road, Bangkoknoi, Bangkok, 10700, Thailand.
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15
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Al Bshabshe A, Mousa WF, Nor El-Dein N. An Overview of Clinical Manifestations of Dermatological Disorders in Intensive Care Units: What Should Intensivists Be Aware of? Diagnostics (Basel) 2023; 13:1290. [PMID: 37046508 PMCID: PMC10093365 DOI: 10.3390/diagnostics13071290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/01/2023] [Accepted: 03/07/2023] [Indexed: 03/31/2023] Open
Abstract
Acute skin failure is rarely the primary diagnosis that necessitates admission to an intensive care unit. Dermatological manifestations in critically ill patients, on the other hand, are relatively common and can be used to make a key diagnosis of an adverse drug reaction or an underlying systemic illness, or they may be caused by factors related to a prolonged stay or invasive procedures. In intensive care units, their classification is based on the aetiopathogenesis of the cutaneous lesion and, in the meantime, distinguishes critical patients. When evaluating dermatological manifestations, several factors must be considered: onset, morphology, distribution, and associated symptoms and signs. This review depicts dermatological signs in critical patients in order to lay out better recognition.
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Affiliation(s)
- Ali Al Bshabshe
- Department of Medicine/Adult Critical Care, King Khalid University, Abha 61413, Saudi Arabia
| | - Wesam F. Mousa
- College of Medicine, Tanta University, Tanta 31512, Egypt
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16
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Filliquist B, McKay R, Marcellin-Little DJ, Irvin JJ, Garcia TC, Vernau W, Chou PY, Kapatkin AS, Vapniarsky N. Metal reactivity is present in dogs with tibial plateau leveling osteotomy and total hip replacement implants. Am J Vet Res 2023; 84:ajvr.22.08.0141. [PMID: 36652332 DOI: 10.2460/ajvr.22.08.0141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 12/25/2022] [Indexed: 01/19/2023]
Abstract
OBJECTIVE Determine whether dogs with well-functioning orthopedic metal implants can develop metal reactivity. SAMPLE Client-owned dogs that had tibial plateau leveling osteotomy (TPLO) or total hip replacement (THR) implants for 12 months or more and control dogs with no implants. PROCEDURES Lymphocyte transformation testing was performed by exposing peripheral blood lymphocytes to nickel (Ni), chromium (Cr), cobalt (Co), or a combination of these metals. Lymphocyte proliferation was assessed with flow cytometry. Lymphocyte stimulation indexes (SIs) were calculated. A SI > 2 was considered reactive. Median SIs of dogs in response to metal exposure were compared statistically. RESULTS Samples from 10 dogs with TPLO, 12 dogs with THR, and 7 control dogs were analyzed. Six dogs out of 22 with metal implants had a reactive SI to 1 or more metals, while 2 of 7 control dogs had a SI > 2 when exposed to nickel only. When all metals were considered, no differences in metal reactivity were found between TPLO, THR, and control groups. CLINICAL RELEVANCE Metal reactivity is present in dogs and can be identified using lymphocyte transformation testing. Reactivity to Ni is present in dogs with and without metal implants. Reactivity to Co and Cr occurs in some dogs with metal implants.
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Affiliation(s)
- Barbro Filliquist
- Department of Veterinary Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA.,JD Wheat Veterinary Orthopedic Laboratory, School of Veterinary Medicine, University of California-Davis, Davis, CA
| | - Rachel McKay
- Pritchard Veterinary Medical Teaching Hospital, School of Veterinary Medicine, University of California-Davis, Davis, CA
| | - Denis J Marcellin-Little
- Department of Veterinary Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA.,JD Wheat Veterinary Orthopedic Laboratory, School of Veterinary Medicine, University of California-Davis, Davis, CA
| | - Justine J Irvin
- JD Wheat Veterinary Orthopedic Laboratory, School of Veterinary Medicine, University of California-Davis, Davis, CA
| | - Tanya C Garcia
- Department of Veterinary Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA.,JD Wheat Veterinary Orthopedic Laboratory, School of Veterinary Medicine, University of California-Davis, Davis, CA
| | - William Vernau
- Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California-Davis, Davis, CA
| | - Po-Yen Chou
- Department of Veterinary Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA.,JD Wheat Veterinary Orthopedic Laboratory, School of Veterinary Medicine, University of California-Davis, Davis, CA
| | - Amy S Kapatkin
- Department of Veterinary Surgical and Radiological Sciences, School of Veterinary Medicine, University of California-Davis, Davis, CA.,JD Wheat Veterinary Orthopedic Laboratory, School of Veterinary Medicine, University of California-Davis, Davis, CA
| | - Natalia Vapniarsky
- JD Wheat Veterinary Orthopedic Laboratory, School of Veterinary Medicine, University of California-Davis, Davis, CA.,Department of Pathology, Microbiology and Immunology, School of Veterinary Medicine, University of California-Davis, Davis, CA
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17
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Mäenpää K, Wang S, Ilves M, El-Nezami H, Alenius H, Sinkko H, Karisola P. Skin microbiota of oxazolone-induced contact hypersensitivity mouse model. PLoS One 2022; 17:e0276071. [PMID: 36264944 PMCID: PMC9584374 DOI: 10.1371/journal.pone.0276071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 09/28/2022] [Indexed: 11/23/2022] Open
Abstract
Contact allergy is a common skin allergy, which can be studied utilising contact hypersensitivity (CHS) animal model. However, it is not clear, whether CHS is a suitable model to investigate skin microbiota interactions. We characterised the effect of contact dermatitis on the skin microbiota and studied the biological effects of oxazolone (OXA) -induced inflammation on skin thickness, immune cell numbers and changes of the microbiota in CHS mouse model (n = 72) for 28 days. Through 16S rRNA gene sequencing we defined the composition of bacterial communities and associations of bacteria with inflammation. We observed that the vehicle solution of acetone and olive oil induced bacterial community changes on day 1, and OXA-induced changes were observed mainly on day 7. Many of the notably enriched bacteria present in the OXA-challenged positive group represented the genus Faecalibaculum which were most likely derived from the cage environment. Additionally, skin inflammation correlated negatively with Streptococcus, which is considered a native skin bacterium, and positively with Muribacter muris, which is typical in oral environment. Skin inflammation favoured colonisation of cage-derived faecal bacteria, and additionally mouse grooming transferred oral bacteria on the skin. Due to the observed changes, we conclude that CHS model could be used for certain skin microbiome-related research set-ups. However, since vehicle exposure can alter the skin microbiome as such, future studies should include considerations such as careful control sampling and statistical tests to account for potential confounding factors.
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Affiliation(s)
- Kuunsäde Mäenpää
- Human Microbiome Research Program, University of Helsinki, Helsinki, Finland
| | - Shuyuan Wang
- School of Biological Sciences, University of Hong Kong, Pokfulam, Hong Kong
| | - Marit Ilves
- Human Microbiome Research Program, University of Helsinki, Helsinki, Finland
| | - Hani El-Nezami
- School of Biological Sciences, University of Hong Kong, Pokfulam, Hong Kong
| | - Harri Alenius
- Human Microbiome Research Program, University of Helsinki, Helsinki, Finland
- Institute of Environmental Medicine (IMM), Karolinska Institutet, Stockholm, Sweden
| | - Hanna Sinkko
- Human Microbiome Research Program, University of Helsinki, Helsinki, Finland
| | - Piia Karisola
- Human Microbiome Research Program, University of Helsinki, Helsinki, Finland
- * E-mail:
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18
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Guarneri F, Belloni Fortina A, Corazza M, Cristaudo A, Foti C, Parodi A, Pigatto P, Stingeni L, DE Pità O. Topical non-pharmacological treatment of eczema: an Italian consensus. Ital J Dermatol Venerol 2022; 157:402-413. [PMID: 36213968 DOI: 10.23736/s2784-8671.22.07283-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Eczematous diseases (contact dermatitis, atopic dermatitis, hand eczema) are among the most frequent findings in dermatological clinical practice. A large body of evidence exists on structural and functional skin barrier damage in eczematous diseases, and on the importance of interventions aimed to repair such damage. While there is substantial agreement on pharmacological treatment, more sparse data are available on role, indications and usefulness of topical non-pharmacological treatments, despite significant research and progress in the composition and technology of emollients, cleansers and barrier creams significantly changed and expanded the functional activities of these products. This often leads to inadequate prescription and/or use, which increase individual and social costs of the disease and make the products useless or, in some cases, even counterproductive. This consensus document, discussed and compiled in a series of meetings by a group of Italian dermatologists experienced in the field of eczematous diseases, summarizes epidemiology and clinical features of the nosological entities of the "eczema family", illustrates the chemical/biochemical structure of emollients, cleansers and barrier creams, and aims to help physicians to exploit the full potential of available products, by providing a detailed but practical guide on characteristics, indications and correct use of non-pharmacological treatments currently available for eczematous diseases.
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Affiliation(s)
- Fabrizio Guarneri
- Unit of Dermatology, Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy -
| | - Anna Belloni Fortina
- Unit of Dermatology, Department of Medicine DIMED, University of Padua, Padua, Italy
| | - Monica Corazza
- Section of Dermatology and Infectious Diseases, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | | | - Caterina Foti
- Department of Biomedical Sciences and Human Oncology, Aldo Moro University of Bari, Bari, Italy
| | - Aurora Parodi
- Section of Dermatology, Department of Health Sciences, University of Genoa, Genoa, Italy
| | - Paolo Pigatto
- Unit of Dermatology, Department of Surgical and Odontoiatric Biomedical Sciences, Galeazzi IRCCS Orthopedic Institute, Milan, Italy
| | - Luca Stingeni
- Section of Dermatology, Department of Medicine and Surgery, University of Perugia, Perugia, Italy
| | - Ornella DE Pità
- Unit of Clinical Pathology, Inflammatory and Autoimmune Skin Diseases, Cristo Re Hospital, Rome, Italy
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19
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Sachen KL, Arnold Greving CN, Towne JE. Role of IL-36 cytokines in psoriasis and other inflammatory skin conditions. Cytokine 2022; 156:155897. [DOI: 10.1016/j.cyto.2022.155897] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 03/29/2022] [Accepted: 04/22/2022] [Indexed: 12/15/2022]
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20
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Dickel H, Bauer A, Brehler R, Mahler V, Merk HF, Neustädter I, Strömer K, Werfel T, Worm M, Geier J. S1-Leitlinie Kontaktekzem. J Dtsch Dermatol Ges 2022; 20:711-734. [PMID: 35578429 DOI: 10.1111/ddg.14734_g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Accepted: 01/05/2022] [Indexed: 12/13/2022]
Affiliation(s)
- Heinrich Dickel
- Klinik für Dermatologie, Venerologie und Allergologie, St. Josef-Hospital, Universitätsklinikum der Ruhr-Universität Bochum, Bochum
| | - Andrea Bauer
- Klinik und Poliklinik für Dermatologie, Universitätsklinikum Carl Gustav Carus an der Technischen Universität Dresden, Dresden
| | - Randolf Brehler
- Klinik für Hautkrankheiten, Universitätsklinikum Münster, Münster
| | - Vera Mahler
- Paul-Ehrlich-Institut, Bundesinstitut für Impfstoffe und biomedizinische Arzneimittel, Langen
| | | | | | | | - Thomas Werfel
- Klinik für Dermatologie, Allergologie und Venerologie, Medizinische Hochschule Hannover, Hannover
| | - Margitta Worm
- Klinik für Dermatologie, Venerologie und Allergologie, Charité - Universitätsmedizin Berlin, Berlin
| | - Johannes Geier
- Zentrale des IVDK, Universitätsmedizin Göttingen, Göttingen
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21
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Dickel H, Bauer A, Brehler R, Mahler V, Merk HF, Neustädter I, Strömer K, Werfel T, Worm M, Geier J. German S1 guideline: Contact dermatitis. J Dtsch Dermatol Ges 2022; 20:712-734. [DOI: 10.1111/ddg.14734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Accepted: 01/05/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Heinrich Dickel
- Department of Dermatology Venereology and Allergology St. Josef Hospital University Medical Center of the Ruhr University Bochum Bochum Germany
| | - Andrea Bauer
- Department of Dermatology University Hospital Carl Gustav Carus Technical University Dresden Dresden Germany
| | - Randolf Brehler
- Department of Dermatology University Hospital Münster Münster Germany
| | - Vera Mahler
- Paul‐Ehrlich‐Institut Federal Institute for Vaccines and Biomedicines Langen Germany
| | - Hans F. Merk
- Department of Dermatology RWTH Aachen University Aachen Germany
| | - Irena Neustädter
- Department of Pediatrics Hallerwiese Cnopfsche Kinderklinik Nuremberg Germany
| | | | - Thomas Werfel
- Department of Dermatology Allergology and Venereology Hannover Medical School Hannover Germany
| | - Margitta Worm
- Department of Dermatology Venereology and Allergology Charité – Universitätsmedizin Berlin Berlin Germany
| | - Johannes Geier
- Center of IVDK University Medical Center Göttingen Göttingen Germany
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22
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Lee E, Cho C, Ha J. Biophysical properties of redness-prone skin in Korean women. J Cosmet Dermatol 2021; 21:4035-4041. [PMID: 34967485 DOI: 10.1111/jocd.14722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 12/16/2021] [Accepted: 12/21/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND Facial skin redness can have a negative impact on the quality of life. In this study, we investigated the skin biophysical parameters associated with facial skin redness as a function of aging. METHODS Our aims were as follows: (1) to understand the impact of non-pathological facial skin redness on the quality of life of Korean women through a survey; and (2) compare skin biophysical properties between women with and without facial skin redness. RESULTS Women aged between 20 and 39 years perceived their own facial skin redness at a higher rate than those aged ≥40 years. In addition, in redness-prone women, the intensity of skin redness and skin surface perfusion were higher, while skin hydration was lower regardless of age. In redness-prone women aged ≥40 years, the values for transepidermal water loss, elasticity, and skin thickness were lower, and the mean pore depth was greater. Facial redness intensity was higher, and the distribution was wider in redness-prone younger women, while only redness intensity increased in the older age group. CONCLUSIONS Overall, redness-prone women aged ≥40 years had weaker skin properties. Our study indicated the age-related biophysical characteristics of non-pathological facial skin redness. We believe that our findings will help improve its negative effects.
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Affiliation(s)
- Eunyoung Lee
- Skin Research Center, Institut d'Expertise Clinique (IEC) KOREA, Suwon, Korea
| | - Changhui Cho
- Skin Research Center, Institut d'Expertise Clinique (IEC) KOREA, Suwon, Korea
| | - Jaehyoun Ha
- Skin Research Center, Institut d'Expertise Clinique (IEC) KOREA, Suwon, Korea
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23
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Cho SK, Chong BF. SnapshotDx Quiz: October 2021. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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24
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Readability, Quality, and Timeliness of Patient Online Health Resources for Contact Dermatitis and Patch Testing. Dermatitis 2021; 33:155-160. [PMID: 34570732 DOI: 10.1097/der.0000000000000789] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Contact dermatitis (CD) causes significant impact on patient quality of life. It is the most common occupational skin disease, accounting for more than US $1 billion of medical costs. Patch testing (PT) is the criterion standard for diagnosis of allergic CD. Patients are increasingly using the Internet to obtain health information; however, the readability, quality, and timeliness of online health resources for CD and PT are unknown. OBJECTIVE The objective was to determine the readability, quality, and timeliness of the most frequently accessed patient online health resources for CD and PT. METHODS A Google search was performed on March 20, 2021, using the terms "contact dermatitis," "contact eczema," "patch testing," and "patch test." Websites were evaluated using several well-validated tools/criteria. RESULTS Contact dermatitis and PT websites had only 2 of the 48 websites combined that met the recommended sixth-grade reading level for patients, with the majority characterized as "very poor" to "fair" quality. There was no correlation found between quality and readability of the CD and PT websites. CONCLUSIONS There is a need for improvement of online CD and PT health resources. Dermatologists should take the lead to vet websites and enhance online resources to improve patient care.
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25
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Yang CC, Hung YL, Ko WC, Tsai YJ, Chang JF, Liang CW, Chang DC, Hung CF. Effect of Neferine on DNCB-Induced Atopic Dermatitis in HaCaT Cells and BALB/c Mice. Int J Mol Sci 2021; 22:ijms22158237. [PMID: 34361003 PMCID: PMC8348662 DOI: 10.3390/ijms22158237] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 07/27/2021] [Accepted: 07/27/2021] [Indexed: 02/08/2023] Open
Abstract
Atopic dermatitis (AD) is a chronic and persistent inflammatory skin disease characterized by eczematous lesions and itching, and it has become a serious health problem. However, the common clinical treatments provide limited relief and are accompanied by adverse effects. Therefore, there is a need to develop novel and effective therapies to treat AD. Neferine is a small molecule compound isolated from the green embryo of the mature seeds of lotus (Nelumbo nucifera). It has a bisbenzylisoquinoline alkaloid structure. Relevant studies have shown that neferine has many pharmacological and biological activities, including anti-inflammatory, anti-thrombotic, and anti-diabetic activities. However, there are very few studies on neferine in the skin, especially the related effects on inflammatory skin diseases. In this study, we proved that it has the potential to be used in the treatment of atopic dermatitis. Through in vitro studies, we found that neferine inhibited the expression of cytokines and chemokines in TNF-α/IFN-γ-stimulated human keratinocyte (HaCaT) cells, and it reduced the phosphorylation of MAPK and the NF-κB signaling pathway. Through in vivo experiments, we used 2,4-dinitrochlorobenzene (DNCB) to induce atopic dermatitis-like skin inflammation in a mouse model. Our results show that neferine significantly decreased the skin barrier damage, scratching responses, and epidermal hyperplasia induced by DNCB. It significantly decreased transepidermal water loss (TEWL), erythema, blood flow, and ear thickness and increased surface skin hydration. Moreover, it also inhibited the expression of cytokines and the activation of signaling pathways. These results indicate that neferine has good potential as an alternative medicine for the treatment of atopic dermatitis or other skin-related inflammatory diseases.
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Affiliation(s)
- Chung-Chi Yang
- Division of Cardiovascular Medicine, Taoyuan Armed Forces General Hospital, Taoyuan City 32551, Taiwan;
| | - Yen-Ling Hung
- Graduate Institute of Biomedical and Pharmaceutical Science, Fu Jen Catholic University, New Taipei City 24205, Taiwan; (Y.-L.H.); (Y.-J.T.)
| | - Wen-Chin Ko
- School of Medicine, Fu Jen Catholic University, New Taipei City 24205, Taiwan; (W.-C.K.); (C.-W.L.)
- Division of Cardiac Electrophysiology, Department of Cardiovascular Center, Cathay General Hospital, Taipei 10630, Taiwan
| | - Yi-Ju Tsai
- Graduate Institute of Biomedical and Pharmaceutical Science, Fu Jen Catholic University, New Taipei City 24205, Taiwan; (Y.-L.H.); (Y.-J.T.)
| | - Jia-Feng Chang
- Department of Internal Medicine, Division of Nephrology, En Chu Kong Hospital, New Taipei City 23702, Taiwan;
| | - Cher-Wei Liang
- School of Medicine, Fu Jen Catholic University, New Taipei City 24205, Taiwan; (W.-C.K.); (C.-W.L.)
| | - Der-Chen Chang
- Department of Mathematics and Statistics and Department of Computer Science, Georgetown University, Washington, DC 20057, USA;
| | - Chi-Feng Hung
- School of Medicine, Fu Jen Catholic University, New Taipei City 24205, Taiwan; (W.-C.K.); (C.-W.L.)
- PhD Program in Pharmaceutical Biotechnology, Fu Jen Catholic University, New Taipei City 24205, Taiwan
- Department of Fragrance and Cosmetic Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Correspondence: ; Tel.: +886-2-29053911
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26
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Wedi B. Contemporary Grand Challenges and Opportunities in Skin Allergies. FRONTIERS IN ALLERGY 2021; 2:660447. [PMID: 35387033 PMCID: PMC8974730 DOI: 10.3389/falgy.2021.660447] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 02/15/2021] [Indexed: 11/13/2022] Open
Affiliation(s)
- Bettina Wedi
- Department of Dermatology and Allergy, Comprehensive Allergy Center, Hannover Medical School, Hannover, Germany
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27
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Leung DYM. Advances in cutaneous allergy. Ann Allergy Asthma Immunol 2021; 126:1-2. [PMID: 33292968 DOI: 10.1016/j.anai.2020.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 10/07/2020] [Indexed: 11/17/2022]
Affiliation(s)
- Donald Y M Leung
- Department of Pediatrics, National Jewish Health, Denver, Colorado.
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