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Sroczyk EA, Tarasiuk A, Talar M, Rutledge GC, Makaro A, Misztal Z, Wołyniak M, Berniak K, Sałaga M, Fichna J, Stachewicz U. Cholesterol Nanofiber Patches with Sustainable Oil Delivery Eliminate Inflammation in Atopic Skin. ACS APPLIED MATERIALS & INTERFACES 2024; 16:37783-37794. [PMID: 38994590 DOI: 10.1021/acsami.4c09400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/13/2024]
Abstract
Atopic skin is dry and itchy and lacks integrity. Impaired skin barrier results from altered lipid composition of the skin. A crucial skin lipid, cholesterol, provides flexibility and homeostasis of the cell membranes' lipid bilayer. Cholesterol-based creams and natural oils, especially blackcurrant seed oil, are beneficial for skin care as they hydrate the skin and improve its integrity. The major atopic symptom, skin dryness, can be overcome by the application of porous patches enhanced with cholesterol and natural oil. The base of the patches is constructed of polyimide (PI) nanofibers with cholesterol coatings and externally added blackcurrant seed oil. The presence of cholesterol in PI mats hinders the passage of oil through the patches to the skin, resulting in sustained and prolonged skin hydration. The theoretical and numerical investigations of oil dynamics in porous mats confirmed the experimental results, showing a prolonged skin hydration effect up to 6 h. Additionally, as demonstrated by in vivo tests on atopic mice, cholesterol patches lower serum immunoglobulin E levels and expression of proinflammatory cytokines in the skin, thereby accelerating skin healing. Our results hold great promise for the long-term application of the patches in atopic dermatitis treatment.
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Affiliation(s)
- Ewa A Sroczyk
- Faculty of Metals Engineering and Industrial Computer Science, AGH University of Krakow, Al. Mickiewicza 30, 30-059 Krakow, Poland
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge 02139, Massachusetts, United States
| | - Aleksandra Tarasiuk
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 5, 92-215 Lodz, Poland
| | - Marcin Talar
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 5, 92-215 Lodz, Poland
| | - Gregory C Rutledge
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge 02139, Massachusetts, United States
| | - Adam Makaro
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 5, 92-215 Lodz, Poland
| | - Zofia Misztal
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 5, 92-215 Lodz, Poland
| | - Maria Wołyniak
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 5, 92-215 Lodz, Poland
| | - Krzysztof Berniak
- Faculty of Metals Engineering and Industrial Computer Science, AGH University of Krakow, Al. Mickiewicza 30, 30-059 Krakow, Poland
| | - Maciej Sałaga
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 5, 92-215 Lodz, Poland
| | - Jakub Fichna
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Mazowiecka 5, 92-215 Lodz, Poland
| | - Urszula Stachewicz
- Faculty of Metals Engineering and Industrial Computer Science, AGH University of Krakow, Al. Mickiewicza 30, 30-059 Krakow, Poland
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Nesovic LD, Gonzalez Cruz PE, Rychener N, Wilks LR, Singh Gill H. Standardizing the skin tape stripping method for sensitization and using it to create a mouse model of peanut allergy. Int J Pharm 2024:124479. [PMID: 39019298 DOI: 10.1016/j.ijpharm.2024.124479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 07/11/2024] [Accepted: 07/14/2024] [Indexed: 07/19/2024]
Abstract
BACKGROUND Animal models for food allergies serve as crucial tools in understanding allergy mechanisms and assessing the efficacy of potential desensitization methods. The effectiveness of inducing allergies in mice through intragastric lavage sensitization varies. The intraperitoneal method can trigger systemic anaphylaxis, however it lacks anatomical relevance. Hence, a uniform and reliable allergy induction method in mice is required. Tape stripping can mimic atopic dermatitis (AD), a precursor to lifelong peanut allergies in humans. Furthermore, skin damage triggers the upregulation of skin alarmins and the expansion of small-intestinal mast cells, both implicated in allergy development. METHODS We standardized a skin-based sensitization method in a mouse model of peanut allergy using skin tape stripping followed by allergen application. We compared this method with intragastric sensitization. RESULTS Skin-based sensitization led to increased mast cells, goblet cells, and eosinophils in the small intestine, elevated systemic IgE levels, murine mast cell protease-1 (mMCP-1), histamine, and eosinophilic activity in peripheral blood. Moreover, it resulted in a significant hypothermic response, with nearly 30% mortality following an oral challenge one-month post-sensitization. CONCLUSION Our research offers a standardized and readily reproducible method for inducing peanut allergy in mice, which could also be adapted for other food allergens.
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Affiliation(s)
- Lazar D Nesovic
- Department of Chemical Engineering, Texas Tech University, 8th and Canton, Lubbock, TX 79409, USA
| | - Pedro E Gonzalez Cruz
- Department of Chemical Engineering, Texas Tech University, 8th and Canton, Lubbock, TX 79409, USA
| | - Natalie Rychener
- Department of Chemical Engineering, Texas Tech University, 8th and Canton, Lubbock, TX 79409, USA
| | - Logan R Wilks
- Department of Chemical Engineering, Texas Tech University, 8th and Canton, Lubbock, TX 79409, USA
| | - Harvinder Singh Gill
- Department of Chemical Engineering, Texas Tech University, 8th and Canton, Lubbock, TX 79409, USA; Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC 27695, USA.
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Leyva-Castillo JM, Strakosha M, Smith SEM, Vega-Mendoza D, Elkins M, Chou J, Vogel P, Boulanger N. Ixodes ricinus bites promote allergic skin inflammation and intestinal tuft and mast cell expansion in mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.07.02.600632. [PMID: 39005263 PMCID: PMC11245008 DOI: 10.1101/2024.07.02.600632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
Background Tick bites often promote local allergic reactions in the skin and predispose to red meat allergy. The mechanisms involved in these processes are not fully understood. Here we investigated the local changes to the skin and intestine induced by tick bites. Methods C3H/HEN or Balb/c mice were subjected to either tick bites by Ixodes ricinus ( I. ricinus ) or mechanical skin injury. Skin or intestine was analyzed a different time point by transcriptomic and histological techniques. Results Our results indicate that I. ricinus bites promote epidermal hyperplasia, spongiosis and an accumulation of eosinophils and mast cells in the bitten skin. In addition, I. ricinus bites promote the expression of genes and activate pathways also induced by mechanical skin injury elicited by tape stripping. Remarkably, similar to tape stripping, I. ricinus bites promote an increase in total serum IgE, and intestinal tuft cell and mast cell expansion. Conclusion I. ricinus bites in mice promote cutaneous inflammation that resembles allergic skin inflammation, as well as intestinal changes that could play a role in the predisposition to red meat allergy.
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Matsuda K, Kitano Y, Sawahata M, Kume T, Uta D. Mirogabalin inhibits scratching behavior of spontaneous model mouse of atopic dermatitis. Front Pharmacol 2024; 15:1382281. [PMID: 38989140 PMCID: PMC11234176 DOI: 10.3389/fphar.2024.1382281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 06/03/2024] [Indexed: 07/12/2024] Open
Abstract
Introduction: Atopic dermatitis (AD) is one of the most prevalent intractable chronic itch diseases worldwide. In recent years, new molecular-targeted drugs have emerged, but side effects and economic challenges remain. Therefore, since it is important for AD patients to have a wider range of treatment options, it is important to explore new therapeutic agents. Gabapentinoids, gabapentin and pregabalin, have been shown to be effective for the clinical treatment of several chronic itch. Recently, mirogabalin (MGB) was developed as a novel gabapentinoid. MGB is a drug for neuropathic pain and has a margin of safety between its side effects and the analgesic effect for animal experiments. Herein, we showed that MGB exhibited an antipruritic effect in a mouse model of AD using NC/Nga mice. Methods and results: The oral administration of MGB (10 mg/kg) inhibited spontaneous scratching behavior in AD mice and its effect was dose dependently. Then, when MGB (10 mg/kg) was orally administrated to healthy mice, it did not affect motor function, including locomotor activity, wheel activity, and coordinated movement. Moreover, gabapentin (100 mg/kg) and pregabalin (30 mg/kg), inhibited spontaneous scratching behavior in AD mice and decreased motor function in healthy mice. Furthermore, intracisternal injection of MGB (10 μg/site) significantly suppressed spontaneous scratching behavior in AD mice. Discussion: In summary, our results suggest that MGB exerts an antipruritic effect via the spinal dorsal horn using NC/Nga mice. We hope that MGB is a candidate for a novel therapeutic agent for AD with relatively few side effects.
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Affiliation(s)
- Kosuke Matsuda
- Department of Applied Pharmacology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Sugitani, Toyama, Japan
| | - Yutaka Kitano
- R&D Division, Daiichi Sankyo Co., Ltd., Tokyo, Japan
| | - Masahito Sawahata
- Department of Applied Pharmacology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Sugitani, Toyama, Japan
| | - Toshiaki Kume
- Department of Applied Pharmacology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Sugitani, Toyama, Japan
| | - Daisuke Uta
- Department of Applied Pharmacology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Sugitani, Toyama, Japan
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Gonzales AJ, Aleo M, Mahabir S, Messamore J, Stegemann M. Oclacitinib (APOQUEL®) is a selective Janus kinase 1 inhibitor with efficacy in a canine model of flea allergic dermatitis. J Vet Pharmacol Ther 2024. [PMID: 38926932 DOI: 10.1111/jvp.13462] [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: 01/10/2024] [Revised: 06/01/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024]
Abstract
Oclacitinib is a novel Janus kinase (JAK) inhibitor that potently inhibits JAK1-dependent cytokines involved in allergy, inflammation, and pruritus (IL-2, IL-4, IL-6, IL-13, and IL-31). Oclacitinib (Apoquel®, Zoetis Inc, Parsippany, NJ) is approved for the treatment/control of pruritus associated with allergic dermatitis and treatment/control of clinical manifestations of atopic dermatitis in dogs at least 12 months of age. To evaluate the effectiveness of oclacitinib in dogs with flea allergy dermatitis, the JAK1 selective inhibitor was tested in a placebo-controlled, masked, single-dose (0.4 mg/kg) or repeat-dose (0.4 mg/kg, twice daily for 2 weeks) study. Pruritic behaviors were quantitated by video recording, and erythema and skin lesions were assessed using a 10-cm visual analog scale (VAS). Results showed that oclacitinib reduced pruritus by 61% as early as 1.5 h after a single oral dose compared to placebo, with an average reduction (compared to placebo) of 85% 1-5 h after dosing (0.4 mg/kg; p < .0001). Oclacitinib also significantly reduced erythema (p < .0001) and skin lesion (p < .0005) VAS scores on Day 14 compared to placebo in a repeat dose study. No adverse events were noted during the conduct of these studies. IL-31 concentrations were elevated in the majority of dogs after flea infestation, suggesting JAK1-dependent cytokines may drive clinical signs of flea allergy dermatitis. These findings show that oclacitinib, an inhibitor of JAK1-dependent cytokines involved in allergy and inflammation can rapidly reduce clinical signs associated with flea allergic dermatitis in dogs.
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Affiliation(s)
- Andrea J Gonzales
- Veterinary Medicine Research and Development, Zoetis, Kalamazoo, Michigan, USA
| | - Michelle Aleo
- Veterinary Medicine Research and Development, Zoetis, Kalamazoo, Michigan, USA
| | - Sean Mahabir
- Veterinary Medicine Research and Development, Zoetis, Kalamazoo, Michigan, USA
| | - James Messamore
- Veterinary Medicine Research and Development, Zoetis, Kalamazoo, Michigan, USA
| | - Michael Stegemann
- Veterinary Medicine Research and Development, Zoetis, Zaventem, Belgium
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Zhang S, Fang X, Xu B, Zhou Y, Li F, Gao Y, Luo Y, Yao X, Liu X. Comprehensive analysis of phenotypes and transcriptome characteristics reveal the best atopic dermatitis mouse model induced by MC903. J Dermatol Sci 2024; 114:104-114. [PMID: 38806322 DOI: 10.1016/j.jdermsci.2024.05.003] [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: 01/05/2024] [Revised: 04/01/2024] [Accepted: 05/13/2024] [Indexed: 05/30/2024]
Abstract
BACKGROUND Although several mouse models of exogenous-agent-induced atopic dermatitis (AD) are currently available, the lack of certainty regarding their similarity with human AD has limited their scientific value. Thus, comprehensive evaluation of the characteristics of mouse models and their similarity with human AD is essential. OBJECTIVE To compare six different exogenous-agent-induced AD mouse models and find out the optimum models for study. METHODS Female BALB/c mice underwent induction of AD-like dermatitis by MC903 alone or in combination with ovalbumin (OVA), dinitrofluorobenzene (DNFB) alone or in combination with OVA, OVA alone, or Staphylococcus aureus. Gross phenotype, total immunoglobulin E (IgE) level, histopathological manifestations, and skin lesion transcriptome were analyzed, and metagenomic sequencing of the gut microbiome was performed. RESULTS The DNFB plus OVA model showed the highest disease severity, while the OVA model showed the lowest severity. The MC903 and MC903 plus OVA models showed high expression of T-helper (Th)2- and Th17-related genes; the DNFB and DNFB plus OVA models showed upregulation of Th1-, Th2-, and Th17-related genes; while the S. aureus inoculation model showed more enhanced Th1 and Th17 immune responses. In contrast to the other models, the OVA-induced model showed the lowest expression levels of inflammation-related genes, while the MC903 model shared the largest overlap with human AD profiles. The intestinal microbiota of all groups showed significant differences after modeling. CONCLUSION Each AD mouse model exhibited different characteristics. The MC903 model was the best to recapitulate most features of human AD among these exogenous-agent-induced AD models.
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Affiliation(s)
- Shan Zhang
- Department of Allergy and Rheumatology, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Xiaokai Fang
- Department of Allergy and Rheumatology, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Beilei Xu
- Department of Allergy and Rheumatology, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Yuan Zhou
- Department of Allergy and Rheumatology, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Fang Li
- Department of Allergy and Rheumatology, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Yuwen Gao
- Department of Allergy and Rheumatology, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Yang Luo
- Department of Allergy and Rheumatology, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China
| | - Xu Yao
- Department of Allergy and Rheumatology, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China.
| | - Xiaochun Liu
- Department of Allergy and Rheumatology, Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China.
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Zheng R, Ren Y, Liu X, He C, Liu H, Wang Y, Li J, Xia S, Liu Z, Ma Y, Wang D, Xu S, Wang G, Li N. Exogenous drug-induced mouse models of atopic dermatitis. Cytokine Growth Factor Rev 2024; 77:104-116. [PMID: 38272716 DOI: 10.1016/j.cytogfr.2024.01.003] [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: 01/02/2024] [Accepted: 01/09/2024] [Indexed: 01/27/2024]
Abstract
Atopic dermatitis (AD) is an inflammatory skin disease characterized by intense pruritus. AD is harmful to both children and adults, but its pathogenic mechanism has yet to be fully elucidated. The development of mouse models for AD has greatly contributed to its study and treatment. Among these models, the exogenous drug-induced mouse model has shown promising results and significant advantages. Until now, a large amount of AD-related research has utilized exogenous drug-induced mouse models, leading to notable advancements in research. This indicates the crucial significance of applying such models in AD research. These models exhibit diverse characteristics and are highly complex. They involve the use of various strains of mice, diverse types of inducers, and different modeling effects. However, there is currently a lack of comprehensive comparative studies on exogenous drug-induced AD mouse models, which hinders researchers' ability to choose among these models. This paper provides a comprehensive review of the features and mechanisms associated with various exogenous drug-induced mouse models, including the important role of each cytokine in AD development. It aims to assist researchers in quickly understanding models and selecting the most suitable one for further investigation.
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Affiliation(s)
- Rou Zheng
- Health Science Center, Ningbo University, Ningbo, China.
| | - Yan Ren
- Health Science Center, Ningbo University, Ningbo, China.
| | - Xinyue Liu
- Health Science Center, Ningbo University, Ningbo, China.
| | - Canxia He
- Health Science Center, Ningbo University, Ningbo, China.
| | - Hua Liu
- Health Science Center, Ningbo University, Ningbo, China.
| | - Yixuan Wang
- Health Science Center, Ningbo University, Ningbo, China.
| | - Jianing Li
- Health Science Center, Ningbo University, Ningbo, China.
| | - Shuya Xia
- Health Science Center, Ningbo University, Ningbo, China.
| | - Zhifang Liu
- Department of Dermatology, the First Affiliated Hospital of Ningbo University, Ningbo, China.
| | - Yizhao Ma
- Department of Dermatology, the First Affiliated Hospital of Ningbo University, Ningbo, China.
| | - Dianchen Wang
- Department of Dermatology, the First Affiliated Hospital of Ningbo University, Ningbo, China.
| | - Suling Xu
- Department of Dermatology, the First Affiliated Hospital of Ningbo University, Ningbo, China.
| | - Geng Wang
- Health Science Center, Ningbo University, Ningbo, China.
| | - Na Li
- Health Science Center, Ningbo University, Ningbo, China; Department of Dermatology, the First Affiliated Hospital of Ningbo University, Ningbo, China.
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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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Yue C, Hu Y, Yu J, Zhou H, Zhou P, Hu J, Wang X, Gu L, Li Y, Feng Y, Zeng F, Zhao F, Li G, Zhao Q, Zhang C, Zheng H, Wu W, Cui X, Huang N, Wang Z, Cui K, Li J. IL-38 Aggravates Atopic Dermatitis via Facilitating Migration of Langerhans cells. Int J Biol Sci 2024; 20:3094-3112. [PMID: 38904012 PMCID: PMC11186352 DOI: 10.7150/ijbs.93843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 05/17/2024] [Indexed: 06/22/2024] Open
Abstract
Atopic dermatitis (AD) is a common inflammation skin disease that involves dysregulated interplay between immune cells and keratinocytes. Interleukin-38 (IL-38), a poorly characterized IL-1 family cytokine, its role and mechanism in the pathogenesis of AD is elusive. Here, we show that IL-38 is mainly secreted by epidermal keratinocytes and highly expressed in the skin and downregulated in AD lesions. We generated IL-38 keratinocyte-specific knockout mice (K14Cre/+-IL-38f/f ) and induced AD models by 2,4-dinitrofluorobenzene (DNFB). Unexpectedly, after treatment with DNFB, K14Cre/+-IL-38f/f mice were less susceptible to cutaneous inflammation of AD. Moreover, keratinocyte-specific deletion of IL-38 suppressed the migration of Langerhans cells (LCs) into lymph nodes which results in disturbed differentiation of CD4+T cells and decreased the infiltration of immune cells into AD lesions. LCs are a type of dendritic cell that reside specifically in the epidermis and regulate immune responses. We developed LC-like cells in vitro from mouse bone marrow (BM) and treated with recombined IL-38. The results show that IL-38 depended on IL-36R, activated the phosphorylated expression of IRAK4 and NF-κB P65 and upregulated the expression of CCR7 to promoting the migration of LCs, nevertheless, the upregulation disappeared with the addition of IL-36 receptor antagonist (IL-36RA), IRAK4 or NF-κB P65 inhibitor. Furthermore, after treatment with IRAK4 inhibitors, the experimental AD phenotypes were alleviated and so IRAK4 is considered a promising target for the treatment of inflammatory diseases. Overall, our findings indicated a potential pathway that IL-38 depends on IL-36R, leading to LCs migration to promote AD by upregulating CCR7 via IRAK4/NF-κB and implied the prevention and treatment of AD, supporting potential clinical utilization of IRAK4 inhibitors in AD treatment.
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Affiliation(s)
- Chengcheng Yue
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Yawen Hu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Jiadong Yu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Hong Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Pei Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Jing Hu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Xiaoyan Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Linna Gu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Ya Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Yuting Feng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Fanlian Zeng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Fulei Zhao
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Guolin Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Qixiang Zhao
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Chen Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Huaping Zheng
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Wenling Wu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Xinai Cui
- CDUTCM-KEELE Joint Health and Medical Sciences Institute, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Nongyu Huang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
| | - Zhen Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
- Department of Liver Surgery & Liver Transplantation, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, 37 Guo Xue Road, Chengdu, Sichuan 610041, China
| | - Kaijun Cui
- Department of Cardiology, West China Hospital, Sichuan University, 37 Guoxue Road, Chengdu, Sichuan 610041, China
| | - Jiong Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, 1 Keyuan 4th Road, Gaopeng Street, Chengdu, Sichuan 610041, China
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10
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Oh JM, Yoon H, Joo JY, Im WT, Chun S. Therapeutic potential of ginseng leaf extract in inhibiting mast cell-mediated allergic inflammation and atopic dermatitis-like skin inflammation in DNCB-treated mice. Front Pharmacol 2024; 15:1403285. [PMID: 38841363 PMCID: PMC11150533 DOI: 10.3389/fphar.2024.1403285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Accepted: 04/29/2024] [Indexed: 06/07/2024] Open
Abstract
Ginseng leaves are known to contain high concentrations of bioactive compounds, such as ginsenosides, and have potential as a treatment for various conditions, including fungal infections, cancer, obesity, oxidative stress, and age-related diseases. This study assessed the impact of ginseng leaf extract (GLE) on mast cell-mediated allergic inflammation and atopic dermatitis (AD) in DNCB-treated mice. GLE reduced skin thickness and lymph node nodules and suppressed the expression and secretion of histamine and pro-inflammatory cytokines. It also significantly lowered the production of inflammatory response mediators including ROS, leukotriene C4 (LTC4), prostaglandin E2 (PGE2), cyclooxygenase-2 (COX-2), and inducible nitric oxide synthase (iNOS). GLE inhibited the phosphorylation of MAPKs (ERK, P38, JNK) and the activation of NF-κB, which are both linked to inflammatory cytokine expression. We demonstrated that GLE's inhibitory effect on mast cell-mediated allergic inflammation is due to the blockade of the NF-κB and inflammasome pathways. Our findings suggest that GLE can be an effective therapeutic agent for mast-cell mediated and allergic inflammatory conditions.
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Affiliation(s)
- Jung-Mi Oh
- Department of Physiology, Institute for Medical Sciences, Jeonbuk National University Medical School, Jeonju, Jeollabuk-do, Republic of Korea
| | - HyunHo Yoon
- Department of Physiology, Institute for Medical Sciences, Jeonbuk National University Medical School, Jeonju, Jeollabuk-do, Republic of Korea
| | - Jae-Yeol Joo
- Department of Pharmacy, College of Pharmacy, Hanyang University, Ansan, Gyeonggi-do, Republic of Korea
| | - Wan-Taek Im
- Department of Biological Sciences, Hankyong National University, Anseong, Gyeonggi-do, Republic of Korea
| | - Sungkun Chun
- Department of Physiology, Institute for Medical Sciences, Jeonbuk National University Medical School, Jeonju, Jeollabuk-do, Republic of Korea
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11
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Radhakrishnan J, Kennedy BE, Noftall EB, Giacomantonio CA, Rupasinghe HPV. Recent Advances in Phytochemical-Based Topical Applications for the Management of Eczema: A Review. Int J Mol Sci 2024; 25:5375. [PMID: 38791412 PMCID: PMC11120771 DOI: 10.3390/ijms25105375] [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: 03/28/2024] [Revised: 05/09/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024] Open
Abstract
Eczema (atopic dermatitis, AD) is a skin disease characterized by skin barrier dysfunction due to various factors, including genetics, immune system abnormalities, and environmental triggers. Application of emollients and topical drugs such as corticosteroids and calcineurin inhibitors form the mainstay of treatments for this challenging condition. This review aims to summarize the recent advances made in phytochemical-based topical applications to treat AD and the different carriers that are being used. In this review, the clinical efficacy of several plant extracts and bioactive phytochemical compounds in treating AD are discussed. The anti-atopic effects of the herbs are evident through improvements in the Scoring Atopic Dermatitis (SCORAD) index, reduced epidermal thickness, decreased transepidermal water loss, and alleviated itching and dryness in individuals affected by AD as well as in AD mouse models. Histopathological studies and serum analyses conducted in AD mouse models demonstrated a reduction in key inflammatory factors, including thymic stromal lymphopoietin (TSLP), serum immunoglobulin E (IgE), and interleukins (IL). Additionally, there was an observed upregulation of the filaggrin (FLG) gene, which regulates the proteins constituting the stratum corneum, the outermost layer of the epidermis. Carriers play a crucial role in topical drug applications, influencing dose delivery, retention, and bioavailability. This discussion delves into the efficacy of various nanocarriers, including liposomes, ethosomes, nanoemulsions, micelles, nanocrystals, solid-lipid nanoparticles, and polymeric nanoparticles. Consequently, the potential long-term side effects such as atrophy, eruptions, lymphoma, pain, and allergic reactions that are associated with current topical treatments, including emollients, topical corticosteroids, topical calcineurin inhibitors, and crisaborole, can potentially be mitigated through the use of phytochemical-based natural topical treatments.
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Affiliation(s)
- Janani Radhakrishnan
- Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada
| | - Barry E. Kennedy
- Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 2Y9, Canada
| | - Erin B. Noftall
- Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 2Y9, Canada
| | - Carman A. Giacomantonio
- Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 2Y9, Canada
- Department of Surgery, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 2Y9, Canada
| | - H. P. Vasantha Rupasinghe
- Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada
- Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 2Y9, Canada
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12
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Leyva-Castillo JM, Vega-Mendoza D, Strakosha M, Deng L, Choi S, Miyake K, Karasuyama H, Chiu IM, Phipatanakul W, Geha RS. Basophils are important for development of allergic skin inflammation. J Allergy Clin Immunol 2024; 153:1344-1354.e5. [PMID: 38336257 PMCID: PMC11070311 DOI: 10.1016/j.jaci.2024.01.022] [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: 05/03/2023] [Revised: 12/18/2023] [Accepted: 01/24/2024] [Indexed: 02/12/2024]
Abstract
BACKGROUND Atopic dermatitis skin lesions exhibit increased infiltration by basophils. Basophils produce IL-4, which plays an important role in the pathogenesis of atopic dermatitis. OBJECTIVE We sought to determine the role of basophils in a mouse model of antigen-driven allergic skin inflammation. METHODS Wild-type mice, mice with selective and inducible depletion of basophils, and mice expressing Il4-driven enhanced green fluorescent protein were subjected to epicutaneous sensitization with ovalbumin or saline. Sensitized skin was examined by histology for epidermal thickening. Cells were analyzed for surface markers and intracellular expression of enhanced green fluorescent protein by flow cytometry. Gene expression was evaluated by real-time reverse transcription-quantitative PCR. RESULTS Basophils were important for epidermal hyperplasia, dermal infiltration by CD4+ T cells, mast cells, and eosinophils in ovalbumin-sensitized mouse skin and for the local and systemic TH2 response to epicutaneous sensitization. Moreover, basophils were the major source of IL-4 in epicutaneous-sensitized mouse skin and promote the ability of dendritic cells to drive TH2 polarization of naive T cells. CONCLUSION Basophils play an important role in the development of allergic skin inflammation induced by cutaneous exposure to antigen in mice.
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Affiliation(s)
- Juan-Manuel Leyva-Castillo
- Division of Immunology, Boston Children's Hospital, and the Department of Pediatrics, Harvard Medical School, Boston, Mass.
| | - Daniela Vega-Mendoza
- Division of Immunology, Boston Children's Hospital, and the Department of Pediatrics, Harvard Medical School, Boston, Mass
| | - Maria Strakosha
- Division of Immunology, Boston Children's Hospital, and the Department of Pediatrics, Harvard Medical School, Boston, Mass
| | - Liwen Deng
- Department of Immunology, Harvard Medical School, Boston, Mass
| | - Samantha Choi
- Department of Immunology, Harvard Medical School, Boston, Mass
| | - Kensuke Miyake
- Inflammation, Infection and Immunity Laboratory, Advanced Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hajime Karasuyama
- Inflammation, Infection and Immunity Laboratory, Advanced Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Isaac M Chiu
- Department of Immunology, Harvard Medical School, Boston, Mass
| | - Wanda Phipatanakul
- Division of Immunology, Boston Children's Hospital, and the Department of Pediatrics, Harvard Medical School, Boston, Mass
| | - Raif S Geha
- Division of Immunology, Boston Children's Hospital, and the Department of Pediatrics, Harvard Medical School, Boston, Mass
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13
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Cai H, Wen H, Li J, Lu L, Zhao W, Jiang X, Bai R. Small-molecule agents for treating skin diseases. Eur J Med Chem 2024; 268:116269. [PMID: 38422702 DOI: 10.1016/j.ejmech.2024.116269] [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: 09/12/2023] [Revised: 02/16/2024] [Accepted: 02/18/2024] [Indexed: 03/02/2024]
Abstract
Skin diseases are a class of common and frequently occurring diseases that significantly impact daily lives. Currently, the limited effective therapeutic drugs are far from meeting the clinical needs; most drugs typically only provide symptomatic relief rather than a cure. Developing small-molecule drugs with improved efficacy holds paramount importance for treating skin diseases. This review aimed to systematically introduce the pathogenesis of common skin diseases in daily life, list related drugs applied in the clinic, and summarize the clinical research status of candidate drugs and the latest research progress of candidate compounds in the drug discovery stage. Also, it statistically analyzed the number of publications and global attention trends for the involved skin diseases. This review might provide practical information for researchers engaged in dermatological drugs and further increase research attention to this disease area.
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Affiliation(s)
- Hong Cai
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Hao Wen
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Junjie Li
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Liuxin Lu
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Wenxuan Zhao
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China
| | - Xiaoying Jiang
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China.
| | - Renren Bai
- School of Pharmacy, Hangzhou Normal University, Hangzhou, 311121, PR China; Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines, Engineering Laboratory of Development and Application of Traditional Chinese Medicines, Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, 311121, PR China.
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14
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Liu CF, Shih TW, Lee CL, Pan TM. The Beneficial Role of Lactobacillus paracasei subsp. paracasei NTU 101 in the Prevention of Atopic Dermatitis. Curr Issues Mol Biol 2024; 46:2236-2250. [PMID: 38534759 DOI: 10.3390/cimb46030143] [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: 02/06/2024] [Revised: 02/29/2024] [Accepted: 03/07/2024] [Indexed: 03/28/2024] Open
Abstract
Atopic dermatitis (AD) is a recurrent allergic disease characterized by symptoms such as itching, redness, swelling, dryness, scaling skin, inflammation, and tissue damage. The underlying pathogenesis of AD remains unclear. Steroid drugs are commonly used in the clinical treatment of AD; however, their long-term use may lead to associated complications. Numerous studies have indicated that probiotics could modulate the immune system, enhance immune function, or suppress excessive immune responses. In this study, Lactobacillus paracasei subsp. paracasei NTU 101 (NTU 101) was orally administered for a duration of 4 weeks, followed by the induction of AD using ovalbumin (OVA) in a mouse model. The skin condition of the stimulated site was observed during the induction period. Subsequently, the serum immunoglobulin E (IgE) content, splenocyte T cell typing, and skin histological interpretation were examined to evaluate the efficacy of NTU 101 in alleviating AD symptoms in allergen-exposed animals. The findings indicated that administering NTU 101 beforehand effectively alleviated skin symptoms in animals with AD. It reduced the infiltration of inflammatory cells in skin tissue sections, and compared to the OVA group, there was a significant reduction in the thickening of the epidermal cell layer (decreased from 89.0 ± 20.2 µM to 48.6 ± 16.0 µM) and dermis layer (decreased from 310.3 ± 69.0 µM to 209.7 ± 55.5 µM). Moreover, the proportion of regulatory T (Treg) cells and T helper 2 (Th2) cells in splenocytes significantly increased, while the proportions of T helper 1 (Th1) and T helper 17 (Th17) cells did not differ. It is speculated that the potential mechanism by which NTU 101 prevents AD involves increasing the expression of Forkhead box protein P3 (FOXP3) and promoting Treg cell maturation, thereby alleviating allergic reaction symptoms associated with AD.
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Affiliation(s)
- Chin-Feng Liu
- Continuing Education Program of Food Biotechnology Applications, National Taitung University, 684, Sec. 1, Zhonghua Rd.,Taitung 950017, Taiwan
| | | | - Chun-Lin Lee
- Department of Life Science, National Taitung University, 369, Sec. 2, University Rd., Taitung 95092, Taiwan
| | - Tzu-Ming Pan
- SunWay Biotech Co., Taipei 10617, Taiwan
- Department of Biochemical Science and Technology, National Taiwan University, Taipei 10617, Taiwan
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15
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Arakawa Y, Tano Y, Fujii M, Imai Y, Norimatsu Y, Yasukawa M, Watanabe M, Yamada T. The H3K9 demethylase plant homeodomain finger protein 2 regulates interleukin 4 production in CD4 + T cells. Cytokine 2024; 175:156506. [PMID: 38241965 DOI: 10.1016/j.cyto.2024.156506] [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: 10/31/2023] [Revised: 01/04/2024] [Accepted: 01/12/2024] [Indexed: 01/21/2024]
Abstract
CD4+ T cells play a key role in the immune response via their differentiation into various helper T cell subsets that produce characteristic cytokines. Epigenetic changes in CD4+ T cells are responsible for cytokine production in these subsets, although the exact molecular mechanisms remain unclear. Therefore, we investigated the effects of plant homeodomain finger protein 2 (PHF2), a histone H3K9 demethylase, on cytokine production in CD4+ T cells using T cell-specific Phf2-conditional knockout (cKO) mice in this study. we showed that interleukin 4 (Il4) expression was significantly decreased in Phf2-cKO CD4+ T cells compared to that in wild-type cells. To further elucidate the role of PHF2 in vivo, we assessed immune responses in a mouse model of ovalbumin (OVA)-induced atopic dermatitis. Phf2-cKO mice exhibited lower serum levels of OVA-specific IgE than those in wild-type mice. These findings suggest that PHF2 plays a role in promoting T helper 2 cell (Th2) function and may contribute to the pathogenesis of Th2-related allergies such as atopic dermatitis. This study demonstrated the impact of PHF2 on cytokine production in CD4+ T cells for the first time. Further studies on the PHF2-mediated epigenetic mechanisms may lead to the development of treatments for a variety of immune diseases.
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Affiliation(s)
- Yuya Arakawa
- Department of Medical Technology, Faculty of Health Sciences, Ehime Prefectural University of Health Sciences, Iyo-gun, Ehime, Japan; Department of Clinical Laboratory and Biomedical Sciences, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Yuzuki Tano
- Department of Medical Technology, Faculty of Health Sciences, Ehime Prefectural University of Health Sciences, Iyo-gun, Ehime, Japan
| | - Moe Fujii
- Department of Medical Technology, Faculty of Health Sciences, Ehime Prefectural University of Health Sciences, Iyo-gun, Ehime, Japan
| | - Yuuki Imai
- Department of Pathophysiology, Graduate School of Medicine, Ehime University, Toon, Ehime, Japan
| | - Yoshiaki Norimatsu
- Department of Medical Technology, Faculty of Health Sciences, Ehime Prefectural University of Health Sciences, Iyo-gun, Ehime, Japan
| | - Masaki Yasukawa
- Department of Medical Technology, Faculty of Health Sciences, Ehime Prefectural University of Health Sciences, Iyo-gun, Ehime, Japan
| | - Mikio Watanabe
- Department of Clinical Laboratory and Biomedical Sciences, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Takeshi Yamada
- Department of Medical Technology, Faculty of Health Sciences, Ehime Prefectural University of Health Sciences, Iyo-gun, Ehime, Japan.
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16
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Jeong M, Kwon H, Kim Y, Jin H, Choi GE, Hyun KY. Erigeron annuus Extract Improves DNCB-Induced Atopic Dermatitis in a Mouse Model via the Nrf2/HO-1 Pathway. Nutrients 2024; 16:451. [PMID: 38337735 PMCID: PMC10857527 DOI: 10.3390/nu16030451] [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: 01/18/2024] [Revised: 01/31/2024] [Accepted: 02/01/2024] [Indexed: 02/12/2024] Open
Abstract
Atopic dermatitis (AD) is a persistent inflammatory skin condition resulting from an intricate interplay among genetic, immunological, and environmental factors. Erigeron annuus (EA), an annual winter plant belonging to the family Asteraceae, possesses anti-inflammatory, cytoprotective, and antioxidant activities. In this study, we hypothesized that Erigeron annuus extract (EAE) could be an effective agent for ameliorating AD-like symptoms. To confirm this hypothesis in vitro, we used H2O2-stimulated human keratinocytes (HaCaT cells) to demonstrate that pre-treatment with EAE protected against oxidative stress. HaCaT cells pretreated with EAE and stimulated with H2O2 showed decreased intracellular malondialdehyde content, increased superoxide dismutase activity, and reduced intracellular reactive oxygen species accumulation. To verify the in vivo hypothesis based on the intracellular results, an AD disease mouse model was induced with 1-chloro-2,4-dinitrobenzene (DNCB), and EAE was orally administered at a non-toxic concentration according to the toxicity evaluation results. The results showed that AD disease models in BALB/c mice exhibited reduced ear epidermal thickness, scratching behavior, and mast cell infiltration. In conclusion, our results indicate that EAE has the potential to improve AD by upregulating the nuclear factor erythroid 2-related factor 2 (Nrf2)/heme oxygenase-1 (HO-1) signaling pathway.
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Affiliation(s)
- Myeongguk Jeong
- Department of Biomedical Laboratory Science, College of Health Sciences, Catholic University of Pusan, Busan 46252, Republic of Korea; (M.J.); (H.K.); (Y.K.); (H.J.)
- Next-Generation Industrial Field-Based Specialist Program for Molecular Diagnostics, Brain Busan 21 Plus Project, Graduate School, Catholic University of Pusan, Busan 46252, Republic of Korea
| | - Hyeokjin Kwon
- Department of Biomedical Laboratory Science, College of Health Sciences, Catholic University of Pusan, Busan 46252, Republic of Korea; (M.J.); (H.K.); (Y.K.); (H.J.)
- Next-Generation Industrial Field-Based Specialist Program for Molecular Diagnostics, Brain Busan 21 Plus Project, Graduate School, Catholic University of Pusan, Busan 46252, Republic of Korea
| | - Yeeun Kim
- Department of Biomedical Laboratory Science, College of Health Sciences, Catholic University of Pusan, Busan 46252, Republic of Korea; (M.J.); (H.K.); (Y.K.); (H.J.)
- Next-Generation Industrial Field-Based Specialist Program for Molecular Diagnostics, Brain Busan 21 Plus Project, Graduate School, Catholic University of Pusan, Busan 46252, Republic of Korea
| | - Hyunwoo Jin
- Department of Biomedical Laboratory Science, College of Health Sciences, Catholic University of Pusan, Busan 46252, Republic of Korea; (M.J.); (H.K.); (Y.K.); (H.J.)
- Next-Generation Industrial Field-Based Specialist Program for Molecular Diagnostics, Brain Busan 21 Plus Project, Graduate School, Catholic University of Pusan, Busan 46252, Republic of Korea
| | - Go-Eun Choi
- Department of Biomedical Laboratory Science, College of Health Sciences, Catholic University of Pusan, Busan 46252, Republic of Korea; (M.J.); (H.K.); (Y.K.); (H.J.)
- Next-Generation Industrial Field-Based Specialist Program for Molecular Diagnostics, Brain Busan 21 Plus Project, Graduate School, Catholic University of Pusan, Busan 46252, Republic of Korea
| | - Kyung-Yae Hyun
- Department of Clinical Laboratory Science, Dong-Eui University, Busan 47340, Republic of Korea
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17
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Qiao W, Xie T, Lu J, Jia T, Kaku K. Identification of potential hub genes associated with atopic dermatitis-like recombinant human epidermal model using integrated transcriptomic and proteomic analysis. BIOMOLECULES & BIOMEDICINE 2024; 24:89-100. [PMID: 37540585 PMCID: PMC10787623 DOI: 10.17305/bb.2023.9439] [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: 06/25/2023] [Revised: 07/19/2023] [Accepted: 07/19/2023] [Indexed: 08/06/2023]
Abstract
Atopic dermatitis (AD) is a severe inflammatory skin disorder, characterized by elevated levels of proinflammatory cytokines that fuel a vicious cycle of inflammation. While inflammatory recombinant human epidermal (RHE) models relevant to AD have been established, comprehensive understanding remains limited. To illuminate changes and identify potential hub genes involved in AD-related inflammation, RHE models, stimulated by an inflammatory cocktail including polyinosinic-polycytidylic acid, tumor necrosis factor alpha (TNF-α), interleukin 4 (IL-4) and interleukin 13 (IL-13), were constructed and examined using tandem mass tags-proteomic coupled with RNA-seq transcriptomic analyses. Principal component analysis (PCA), Gene Ontology (GO), and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway functional enrichment were employed for the analysis of related genes and proteins. Protein-protein interaction networks helped identify hub genes, which were further confirmed by qPCR and western blot. We observed high expression of thymic stromal lymphopoietin in the inflammatory RHE. Our study identified 2369 differentially expressed genes and 880 differentially expressed proteins in the cocktail-induced group versus the normal control group. A total of 248 overlapping symbols were enriched in various biological processes and signaling pathways, including cornification envelope, cell-cell junction, calcium ion binding, extracellular matrix receptor, terpenoid backbone biosynthesis, and peroxisome proliferator-activated receptors signaling pathway, among others. Among the 248 overlapping symbols, CytoHubba identified 10 hub molecules, namely signal transducer and activator of transcription 3 (STAT3), integrin subunit beta 1 (ITGB1), filaggrin (FLG), involucrin (IVL), DEAD (Asp-Glu-Ala-Asp) box polypeptide 58 (DDX58), small proline rich protein 1B (SPRR1B), interferon induced with helicase C domain 1 (IFIH1), desmoglein 1 (DSG1), collagen type XVII alpha 1 chain (COL17A1), and integrin subunit alpha 6 (ITGA6), based on the degree. These integrated results offer valuable insights into the molecular mechanisms of AD and present potential tools for screening cosmetic formulations intended for the treatment of AD.
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Affiliation(s)
- Wu Qiao
- Pigeon Manufacturing Shanghai CO., LTD., Shanghai, China
| | - Tong Xie
- Pigeon Manufacturing Shanghai CO., LTD., Shanghai, China
| | - Jing Lu
- Pigeon Manufacturing Shanghai CO., LTD., Shanghai, China
| | - Tinghan Jia
- Pigeon Manufacturing Shanghai CO., LTD., Shanghai, China
| | - Ken Kaku
- Pigeon Manufacturing Shanghai CO., LTD., Shanghai, China
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18
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Jeong GH, Lee JH. Dysregulated Hippo Signaling Pathway and YAP Activation in Atopic Dermatitis: Insights from Clinical and Animal Studies. Int J Mol Sci 2023; 24:17322. [PMID: 38139151 PMCID: PMC10744022 DOI: 10.3390/ijms242417322] [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: 10/07/2023] [Revised: 12/06/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023] Open
Abstract
The yes-associated protein (YAP) of the Hippo pathway regulates a variety of target genes involved in cell proliferation, survival, and inflammation. YAP and transcription activator with a PDZ-binding motif (TAZ) proteins act as mediators of the inflammatory response. Still, their role in atopic dermatitis (AD)-particularly, the association with the nuclear factor kappa-B and Janus kinase (JAK)-signal transducer and activator of transcription (STAT) pathways-is not fully understood. In this study, we found that YAP, is upregulated in AD patients and NC/Nga mouse model of AD. In addition, inhibition of YAP significantly reduced epidermal cell proliferation by 58% and mast cell numbers by 51% and attenuated the upregulation of both Th1- and Th2-associated cytokines. Among the JAK-STAT family proteins, the expressions of JAK1 and JAK2 and those of STAT1, STAT2, and STAT3 were also downregulated. These findings may explain the role of YAP in AD and suggest YAP inhibitors as promising therapeutic agents for AD.
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Affiliation(s)
- Ga Hee Jeong
- Department of Biomedicine & Health Sciences, The Catholic University of Korea, #222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea;
| | - Ji Hyun Lee
- Department of Biomedicine & Health Sciences, The Catholic University of Korea, #222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea;
- Department of Dermatology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, #222 Banpo-daero, Seocho-gu, Seoul 06591, Republic of Korea
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19
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Wang ZY, Zheng YX, Xu F, Cui YZ, Chen XY, Chen SQ, Yan BX, Zhou Y, Zheng M, Man XY. Epidermal keratinocyte-specific STAT3 deficiency aggravated atopic dermatitis-like skin inflammation in mice through TSLP upregulation. Front Immunol 2023; 14:1273182. [PMID: 38053996 PMCID: PMC10694200 DOI: 10.3389/fimmu.2023.1273182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 11/07/2023] [Indexed: 12/07/2023] Open
Abstract
Atopic dermatitis (AD) is one of the most common inflammatory skin diseases with complex pathogenesis involving epidermal barrier dysfunction, skin microbiome abnormalities and type-2-skewed immune dysregulation. Signal transducer and activator of transcription 3 (STAT3) is a transcription factor that plays critical roles in various biological processes. However, the role of STAT3 in epidermal keratinocytes in AD remains unclear. In this study, we generated an epidermal keratinocyte-specific Stat3-deficient mouse strain (termed Stat3 cKO mice). After topical 2,4-dinitrochlorobenzene (DNCB) treatment, Stat3 cKO mice developed worsened AD-like skin inflammation with increased Ki67+ cells, decreased filaggrin and loricrin expression, and downregulated S100A9 and LL37. The dominant microbial population in Stat3 cKO mice changed from Ralstonia to Staphylococcus. DNCB-treated Stat3 cKO mice displayed more infiltrating type-2 inflammatory cells, including mast cells, eosinophils, and CD4+T cells, accompanied by increased skin IL-4 and serum IgE levels. Moreover, thymic stromal lymphopoietin (TSLP), mainly produced by keratinocytes, was highly expressed in the ear skin of Stat3 cKO mice and chemoattracted more TSLPR+ cells. TSLP blockade significantly alleviated DNCB-induced AD-like skin inflammation in Stat3 cKO mice. Thus, epidermal keratinocyte-specific STAT3 deficiency can aggravate AD-like skin inflammation in mice, possibly through TSLP dysregulation.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Xiao-Yong Man
- Department of Dermatology, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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20
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Gil TY, Jin BR, Park YJ, Kim HM, An HJ. Effects of Magnoliae Flos on Atopic Dermatitis-Like Inflammation Evaluated via Extracellular Signal-regulated Kinase or Signal Transducers and Activators of Transcription 1/3 Signalling Pathways. Acta Derm Venereol 2023; 103:adv11593. [PMID: 37955529 PMCID: PMC10655128 DOI: 10.2340/actadv.v103.11593] [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: 03/10/2023] [Accepted: 09/12/2023] [Indexed: 11/14/2023] Open
Abstract
Atopic dermatitis is a chronic inflammatory skin disease. Skin is the largest organ and plays a pivotal role in protecting the body. Not only does the skin act as a physical barrier against the external environment, but it also has its own immune system. Atopic dermatitis is caused by prolonged excessive inflammatory responses that worsen under imbalanced cutaneous immune system skin conditions. Although the prevalence and burden of atopic dermatitis is increasing, the standard therapeutic agents remain unclear due to the complicated pathophysiology of the condition. The objective of this study is to examine the use of Magnoliae flos, the dried flower bud of Magnolia biondii or related plants. The effects and underlying mechanism of action of aqueous extract of the buds of Magnoliae flos (MF) were evaluated. Immortalized human keratinocytes (HaCaT) stimulated with tumour necrosis factor-α and interferon-γ mixture and NC/Nga mice stimulated with 2,4-dinitrochlorobenzene were used as atopic dermatitis models, in vitro and in vivo, respectively. The effects of MF were determined by measuring the suppression of pro-inflammatory signalling pathways, such as extracellular signal-regulated kinase or signal transducers and activators of transcription 1/3 and restoring skin barrier molecules. In conclusion, MF is a potential therapeutic alternative for the treatment of atopic dermatitis through repressing inflammatory pathways.
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Affiliation(s)
- Tae-Young Gil
- Department of Oriental Pharmaceutical Science, College of Pharmacy, Kyung Hee University, Dongdaemun-gu, Seoul, Korea
| | - Bo-Ram Jin
- Department of Oriental Pharmaceutical Science, College of Pharmacy, Kyung Hee University, Dongdaemun-gu, Seoul, Korea
| | - Yea-Jin Park
- Department of Pharmacology, College of Korean Medicine, Sangji University, Wonju-si, Gangwon-do, Korea
| | - Hye-Min Kim
- Department of Pharmacology, College of Korean Medicine, Sangji University, Wonju-si, Gangwon-do, Korea
| | - Hyo-Jin An
- Department of Oriental Pharmaceutical Science, College of Pharmacy, Kyung Hee University, Dongdaemun-gu, Seoul, Korea.
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21
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Marko M, Pawliczak R. Resveratrol and Its Derivatives in Inflammatory Skin Disorders-Atopic Dermatitis and Psoriasis: A Review. Antioxidants (Basel) 2023; 12:1954. [PMID: 38001807 PMCID: PMC10669798 DOI: 10.3390/antiox12111954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 10/26/2023] [Accepted: 10/31/2023] [Indexed: 11/26/2023] Open
Abstract
Atopic dermatitis (AD) and psoriasis are inflammatory skin diseases whose prevalence has increased worldwide in recent decades. These disorders contribute to patients' decreased quality of life (QoL) and constitute a socioeconomic burden. New therapeutic options for AD and psoriasis based on natural compounds are being investigated. These include resveratrol (3,5,40-trihydroxystilbene) and its derivatives, which are produced by many plant species, including grapevines. Resveratrol has gained interest since the term "French Paradox", which refers to improved cardiovascular outcomes despite a high-fat diet in the French population, was introduced. Resveratrol and its derivatives have demonstrated various health benefits. In addition to anti-cancer, anti-aging, and antibacterial effects, there are also anti-inflammatory and antioxidant effects that can affect the molecular pathways of inflammatory skin disorders. A comprehensive understanding of these mechanisms may help develop new therapies. Numerous in vivo and in vitro studies have been conducted on the therapeutic properties of natural compounds. However, regarding resveratrol and its derivatives in treating AD and psoriasis, there are still many unexplained mechanisms and a need for clinical trials. Considering this, in this review, we discuss and summarize the most critical research on resveratrol and its derivatives in animal and cell models mimicking AD and psoriasis.
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Affiliation(s)
| | - Rafał Pawliczak
- Department of Immunopathology, Faculty of Medicine, Division of Biomedical Science, Medical University of Lodz, 7/9 Zeligowskiego St., 90-752 Lodz, Poland
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22
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Lin FJ, Huang YH, Tsao CH, Hsieh WC, Lo YH, Zouboulis CC, Chen HL, Liu FT. Galectin-12 Regulates Immune Responses in the Skin through Sebaceous Glands. J Invest Dermatol 2023; 143:2120-2131.e7. [PMID: 37207806 DOI: 10.1016/j.jid.2023.03.1684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 03/17/2023] [Accepted: 03/31/2023] [Indexed: 05/21/2023]
Abstract
Sebaceous glands (SGs) are holocrine glands that produce sebum, which primarily contains lipids that help to maintain the barrier function of the skin. Dysregulated lipid production contributes to the progression of some diseases characterized by dry skin, including atopic dermatitis. Although the lipid production of SGs has been well-studied, few studies have assessed their role in skin immune responses. We found that SGs and sebocytes expressed IL-4 receptor and produced high levels of T helper 2-associated inflammatory mediators after IL-4 treatment, suggesting immunomodulatory effects. Galectin-12 is a lipogenic factor expressed in sebocytes that affects their differentiation and proliferation. Using galectin-12-knockdown sebocytes, we showed that galectin-12 regulated the immune response in cells exposed to IL-4 and promoted CCL26 expression by upregulating peroxisome proliferator-activated receptor-γ. Moreover, galectin-12 suppressed the expression of endoplasmic reticulum stress-response molecules, and CCL26 upregulation by IL-4 was reversed after sebocyte treatment with inducers of endoplasmic reticulum stress, suggesting that galectin-12 controls IL-4 signaling by suppressing endoplasmic reticulum stress. Using galectin-12-knockout mice, we showed that galectin-12 positively regulated the IL-4-induced enlargement of SGs and the development of an atopic dermatitis-like phenotype. Thus, galectin-12 regulates the skin immune response by promoting peroxisome proliferator-activated receptor-γ expression and suppressing endoplasmic reticulum stress in SGs.
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Affiliation(s)
- Feng-Jen Lin
- Graduate Institute of Immunology, College of Medicine, National Taiwan University, Taipei, Taiwan; Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Yun-Hsi Huang
- Graduate Institute of Immunology, College of Medicine, National Taiwan University, Taipei, Taiwan; Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Ching-Han Tsao
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan; Ph.D. Program in Translational Medicine, Jointly Offered by Kaohsiung Medical University and Academia Sinica, Taipei, Taiwan
| | - Wei-Chen Hsieh
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Yuan-Hsin Lo
- Department of Dermatology, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei City, Taiwan; School of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Christos C Zouboulis
- Department of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg, Dessau, Germany
| | - Hung-Lin Chen
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Fu-Tong Liu
- Graduate Institute of Immunology, College of Medicine, National Taiwan University, Taipei, Taiwan; Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan; Department of Dermatology, University of California Davis, Davis, California, USA.
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23
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Ghosh D, Mersha TB. Atopic dermatitis and ocular allergy: common mechanisms and uncommon questions. Curr Opin Allergy Clin Immunol 2023; 23:383-389. [PMID: 37527055 PMCID: PMC10528981 DOI: 10.1097/aci.0000000000000931] [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] [Indexed: 08/03/2023]
Abstract
PURPOSE OF REVIEW Atopic dermatitis (AD) and ocular allergy aka allergic eye disease (AED) are two common conditions that often coexist in patients. However, molecular connections between these two conditions are incompletely understood. While common etiologic components including Th2 immune signaling have been suggested for AD and AED, the mechanism how current Th2-targetd therapies (dupilumab, tralokinumab) for AD can augment conjunctivitis is not well understood. RECENT FINDINGS Differentially regulated genes and pathways relevant for AD disease manifestation are known. In contrast, similar information is not yet available for AED, which could be largely addressed by emerging noninvasive ocular sampling techniques. Emerging evidence indicated a reduction in goblet cell number and mucin production in a subpopulation of AD patients with AD leading to adverse ocular outcomes, while other potential mechanisms could also be involved. Involvement of particular barrier function protein(s) in AED needs further investigation. SUMMARY Modern cytokine-targeted therapies for AD showed elevated risk for developing conjunctivitis. Recently developed noninvasive sampling techniques should be leveraged to identify AD endotypes associated with AED and with dupilumab-associated ocular outcomes.
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Affiliation(s)
- Debajyoti Ghosh
- Division of Immunology, Allergy & Rheumatology, Department of Internal Medicine, University of Cincinnati, Cincinnati, OH, USA
| | - Tesfaye B. Mersha
- Division of Asthma Research, Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, University of Cincinnati, Cincinnati, OH, USA
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Lee S, Ahn HJ, Park YS, Kim JH, Kim YS, Cho JJ, Park CS. NXP081, DNA Aptamer-Vitamin C Complex Ameliorates DNFB-Induced Atopic Dermatitis in Balb/c Mice. Nutrients 2023; 15:4172. [PMID: 37836456 PMCID: PMC10574402 DOI: 10.3390/nu15194172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 10/15/2023] Open
Abstract
Atopic dermatitis (AD) is a chronic inflammatory disease characterized by dry and itchy skin. Recently, it has been reported that oxidative stress is involved in skin diseases, possibly including AD. Vitamin C, also referred to as ascorbic acid, is a vital water-soluble compound that functions as an essential nutrient. It plays a significant role as both an antioxidant and an additive in various pharmaceutical and food products. Despite the fact that vitamin C is easily oxidized, we have developed NXP081, a single-stranded DNA aptamer that selectively binds to vitamin C, thereby inhibiting its oxidation. The objective of the current research was to examine the impact of NXP081, an animal model of AD induced by 2,4-dinitrofluorobenzene (DNFB). The experimental drug NXP081, when taken orally, showed promising results in reducing inflammation and improving the skin conditions caused by DNFB. The administration of NXP081 resulted in a significant reduction in ear swelling and a noticeable improvement in the appearance of skin lesions. In addition, the administration of NXP081 resulted in a significant decrease in the migration of mast cells in the skin lesions induced by DNFB. Moreover, NXP081 inhibited the production of interferon-gamma (IFN-γ) in CD4+ T cells that were activated and derived from the lymph nodes. Our findings provide useful information about the anti-inflammatory effect of NXP081 on AD.
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Affiliation(s)
- Sanggon Lee
- Department of Microbiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (S.L.); (H.-J.A.); (Y.S.P.); (J.-J.C.)
| | - Hyun-Jong Ahn
- Department of Microbiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (S.L.); (H.-J.A.); (Y.S.P.); (J.-J.C.)
| | - Yong Seek Park
- Department of Microbiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (S.L.); (H.-J.A.); (Y.S.P.); (J.-J.C.)
| | - Ji-Hyun Kim
- Nexmos Co., Ltd., U-Tower, 767, Sinsu-ro, Yongin-si 16827, Republic of Korea; (J.-H.K.); (Y.-S.K.)
| | - Yoon-Seong Kim
- Nexmos Co., Ltd., U-Tower, 767, Sinsu-ro, Yongin-si 16827, Republic of Korea; (J.-H.K.); (Y.-S.K.)
| | - Jeong-Je Cho
- Department of Microbiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (S.L.); (H.-J.A.); (Y.S.P.); (J.-J.C.)
| | - Cheung-Seog Park
- Department of Microbiology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (S.L.); (H.-J.A.); (Y.S.P.); (J.-J.C.)
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25
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Lee S, Lim NY, Kang MS, Jeong Y, Ahn JO, Choi JH, Chung JY. IL-31RA and TRPV1 Expression in Atopic Dermatitis Induced with Trinitrochlorobenzene in Nc/Nga Mice. Int J Mol Sci 2023; 24:13521. [PMID: 37686326 PMCID: PMC10488026 DOI: 10.3390/ijms241713521] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 08/26/2023] [Accepted: 08/28/2023] [Indexed: 09/10/2023] Open
Abstract
Atopic dermatitis (AD) is a common chronic inflammatory skin disease. Interleukin 31 (IL-31), a novel cytokine in AD, causes pruritus, typically characteristic of AD patients. The transient receptor potential vanilloid type 1 (TRPV1) is a cation channel activated by diverse noxious stimuli that has been studied in a variety of pruritic skin diseases. In this study, the AD animal model was generated by administering the hapten, trinitrochlorobenzene (TNCB), to Nc/Nga mice, and the degree of expression of the IL-31 receptor alpha (IL-31RA) and TRPV1 in the skin of these atopic models was evaluated. The Nc/Nga mice were divided into 3 groups: control, TNCB 2-weeks treated, and TNCB 8-weeks treated. After inducing AD, the skin lesions in each group were scored and compared, and the histology of the skin lesions and the IL-31RA and TRPV1 expression for each group were evaluated by analyzing immunohistochemistry. The results show a significant difference in the skin lesion scores between the groups. The immunohistochemistry evaluation highlighted the remarkable expression of IL-31RA and TRPV1 in the nerve fibers of the TNCB 8-weeks-treated group. We thus confirmed that the long-term application of TNCB induced chronic atopic-like dermatitis and that IL-31RA and TRPV1 were overexpressed in the peripheral nerve fibers in this AD model.
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Affiliation(s)
- Seokwoo Lee
- Department of Veterinary Internal Medicine and Institute of Veterinary Science, College of Veterinary Medicine, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon-si 24341, Gangwon-do, Republic of Korea; (S.L.); (N.Y.L.); (Y.J.); (J.-O.A.)
| | - Na Yeon Lim
- Department of Veterinary Internal Medicine and Institute of Veterinary Science, College of Veterinary Medicine, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon-si 24341, Gangwon-do, Republic of Korea; (S.L.); (N.Y.L.); (Y.J.); (J.-O.A.)
| | - Min Soo Kang
- Department of Veterinary Anatomy and Institute of Veterinary Science, College of Veterinary Medicine, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon-si 24341, Gangwon-do, Republic of Korea; (M.S.K.); (J.H.C.)
| | - Yunho Jeong
- Department of Veterinary Internal Medicine and Institute of Veterinary Science, College of Veterinary Medicine, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon-si 24341, Gangwon-do, Republic of Korea; (S.L.); (N.Y.L.); (Y.J.); (J.-O.A.)
| | - Jin-Ok Ahn
- Department of Veterinary Internal Medicine and Institute of Veterinary Science, College of Veterinary Medicine, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon-si 24341, Gangwon-do, Republic of Korea; (S.L.); (N.Y.L.); (Y.J.); (J.-O.A.)
| | - Jung Hoon Choi
- Department of Veterinary Anatomy and Institute of Veterinary Science, College of Veterinary Medicine, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon-si 24341, Gangwon-do, Republic of Korea; (M.S.K.); (J.H.C.)
| | - Jin-Young Chung
- Department of Veterinary Internal Medicine and Institute of Veterinary Science, College of Veterinary Medicine, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon-si 24341, Gangwon-do, Republic of Korea; (S.L.); (N.Y.L.); (Y.J.); (J.-O.A.)
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26
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Villafán H, Gutiérrez-Ospina G. Looking beyond Self-Protection: The Eyes Instruct Systemic Immune Tolerance Early in Life. Brain Sci 2023; 13:1261. [PMID: 37759864 PMCID: PMC10526493 DOI: 10.3390/brainsci13091261] [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: 05/28/2023] [Revised: 08/15/2023] [Accepted: 08/18/2023] [Indexed: 09/29/2023] Open
Abstract
The eyes provide themselves with immune tolerance. Frequent skin inflammatory diseases in young blind people suggest, nonetheless, that the eyes instruct a systemic immune tolerance that benefits the whole body. We tested this premise by using delayed skin contact hypersensitivity (DSCH) as a tool to compare the inflammatory response developed by sighted (S) and birth-enucleated (BE) mice against oxazolone or dinitrofluorobenzene at the ages of 10, 30 and 60 days of life. Adult mice enucleated (AE) at 60 days of age were also assessed when they reached 120 days of life. BE mice displayed exacerbated DSCH at 60 but not at 10 or 30 days of age. AE mice, in contrast, show no exacerbated DSCH. Skin inflammation in 60-day-old BE mice was hapten exclusive and supported by distinct CD8+ lymphocytes. The number of intraepidermal T lymphocytes and migrating Langerhans cells was, however, similar between S and BE mice by the age of 60 days. Our observations support the idea that the eyes instruct systemic immune tolerance that benefits organs outside the eyes from an early age. The higher prevalence of inflammatory skin disorders reported in young people might then reflect reduced immune tolerance associated with the impaired functional morphology of the eyes.
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Affiliation(s)
- Horacio Villafán
- Programa de Doctorado en Ciencias Biológicas, Unidad de Posgrado, Circuito de Posgrados, Ciudad Universitaria, Edificio D, 1piso, Coyoacán, Ciudad de México 04510, Mexico
- Departamento de Biología Celular y Fisiología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico
| | - Gabriel Gutiérrez-Ospina
- Departamento de Biología Celular y Fisiología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico
- Coordinación de Psicobiología y Neurociencias, Facultad de Psicología, Universidad Nacional Autónoma de México, Ciudad de México 04510, Mexico
- Department of Zoology and Physiology and Wyoming Sensory Biology Center of Biomedical Research Excellence, University of Wyoming, Laramie, WY 82071, USA
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27
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Huang CC, Lo YH, Hsu YJ, Cheng YB, Kung CC, Liang CW, Chang DC, Wang KL, Hung CF. Anti-Atopic Dermatitis Activity of Epi-Oxyzoanthamine Isolated from Zoanthid. Mar Drugs 2023; 21:447. [PMID: 37623728 PMCID: PMC10456062 DOI: 10.3390/md21080447] [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: 07/19/2023] [Revised: 08/10/2023] [Accepted: 08/10/2023] [Indexed: 08/26/2023] Open
Abstract
Atopic dermatitis (AD, eczema) is a condition that causes dry, itchy, and inflamed skin and occurs most frequently in children but also affects adults. However, common clinical treatments provide limited relief and have some side effects. Therefore, there is a need to develop new effective therapies to treat AD. Epi-oxyzoanthamine is a small molecule alkaloid isolated from Formosan zoanthid. Relevant studies have shown that zoanthamine alkaloids have many pharmacological and biological activities, including anti-lymphangiogenic functions. However, there are no studies on the use of epi-oxyzoanthamine on the skin. In this paper, epi-oxyzoanthamine has been shown to have potential in the treatment of atopic dermatitis. Through in vitro studies, it was found that epi-oxyzoanthamine inhibited the expression of cytokines in TNF-α/IFN-γ-stimulated human keratinocyte (HaCaT) cells, and it reduced the phosphorylation of MAPK and the NF-κB signaling pathway. Atopic dermatitis-like skin inflammation was induced in a mouse model using 2,4-dinitrochlorobenzene (DNCB) in vivo. The results showed that epi-oxyzoanthamine significantly decreased skin barrier damage, scratching responses, and epidermal hyperplasia induced by DNCB. It significantly reduced transepidermal water loss (TEWL), erythema, ear thickness, and spleen weight, while also increasing surface skin hydration. These results indicate that epi-oxyzoanthamine from zoanthid has good potential as an alternative medicine for treating atopic dermatitis or other skin-related inflammatory diseases.
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Affiliation(s)
- Chieh-Chen Huang
- School of Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan; (C.-C.H.); (Y.-H.L.); (C.-C.K.); (C.-W.L.)
- Department of Dermatology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei 111, Taiwan
| | - Yuan-Hsin Lo
- School of Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan; (C.-C.H.); (Y.-H.L.); (C.-C.K.); (C.-W.L.)
- Department of Dermatology, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Yu-Jou Hsu
- PhD Program in Pharmaceutical Biotechnology, Fu Jen Catholic University, New Taipei City 24205, Taiwan;
| | - Yuan-Bin Cheng
- Department of Marine Biotechnology and Resources, National Sun Yat-Sen University, Kaohsiung 804, Taiwan;
| | - Chia-Chi Kung
- School of Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan; (C.-C.H.); (Y.-H.L.); (C.-C.K.); (C.-W.L.)
- Department of Anesthesiology, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Cher-Wei Liang
- School of Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan; (C.-C.H.); (Y.-H.L.); (C.-C.K.); (C.-W.L.)
- Department of Pathology, Fu Jen Catholic University Hospital, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Der-Chen Chang
- Department of Mathematics and Statistics, Department of Computer Science, Georgetown University, Washington, DC 20057, USA;
| | - Kang-Ling Wang
- Division of Metabolism and Endocrinology, Department of Internal Medicine, Taoyuan Armed Forces General Hospital, Taoyuan 325, Taiwan
| | - Chi-Feng Hung
- School of Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan; (C.-C.H.); (Y.-H.L.); (C.-C.K.); (C.-W.L.)
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
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28
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Riedl R, Kühn A, Rietz D, Hebecker B, Glowalla KG, Peltner LK, Jordan PM, Werz O, Lorkowski S, Wiegand C, Wallert M. Establishment and Characterization of Mild Atopic Dermatitis in the DNCB-Induced Mouse Model. Int J Mol Sci 2023; 24:12325. [PMID: 37569701 PMCID: PMC10418750 DOI: 10.3390/ijms241512325] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 07/30/2023] [Accepted: 07/31/2023] [Indexed: 08/13/2023] Open
Abstract
In dermatological research, 2,4-dinitrochlorbenzene (DNCB)-induced atopic dermatitis (AD) is a standard model as it displays many disease-associated characteristics of human AD. However, the reproducibility of the model is challenging due to the lack of information regarding the methodology and the description of the phenotype and endotype of the mimicked disease. In this study, a DNCB-induced mouse model was established with a detailed procedure description and classification of the AD human-like skin type. The disease was induced with 1% DNCB in the sensitization phase and repeated applications of 0.3% and 0.5% DNCB in the challenging phase which led to a mild phenotype of AD eczema. Pathophysiological changes of the dorsal skin were measured: thickening of the epidermis and dermis, altered skin barrier proteins, increased TH1 and TH2 cytokine expression, a shift in polyunsaturated fatty acids, increased pro-resolving and inflammatory mediator formation, and dysregulated inflammation-associated gene expression. A link to type I allergy reactions was evaluated by increased mast cell infiltration into the skin accompanied by elevated IgE and histamine levels in plasma. As expected for mild AD, no systemic inflammation was observed. In conclusion, this experimental setup demonstrates many features of a mild human-like extrinsic AD in murine skin.
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Affiliation(s)
- Rebecca Riedl
- Department of Dermatology, University Hospital Jena, Dermatological Research Laboratory, 07747 Jena, Germany; (R.R.); (D.R.); (C.W.)
- Department of Nutritional Biochemistry and Physiology, Institute of Nutritional Science, Friedrich Schiller University, 07743 Jena, Germany; (A.K.); (B.H.); (S.L.)
| | - Annika Kühn
- Department of Nutritional Biochemistry and Physiology, Institute of Nutritional Science, Friedrich Schiller University, 07743 Jena, Germany; (A.K.); (B.H.); (S.L.)
| | - Denise Rietz
- Department of Dermatology, University Hospital Jena, Dermatological Research Laboratory, 07747 Jena, Germany; (R.R.); (D.R.); (C.W.)
| | - Betty Hebecker
- Department of Nutritional Biochemistry and Physiology, Institute of Nutritional Science, Friedrich Schiller University, 07743 Jena, Germany; (A.K.); (B.H.); (S.L.)
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, 07743 Jena, Germany
| | - Karl-Gunther Glowalla
- Service Unit Experimental Biomedicine, Friedrich Schiller University, 07745 Jena, Germany;
| | - Lukas K. Peltner
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, 07743 Jena, Germany; (L.K.P.); (P.M.J.); (O.W.)
| | - Paul M. Jordan
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, 07743 Jena, Germany; (L.K.P.); (P.M.J.); (O.W.)
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University, 07743 Jena, Germany
| | - Oliver Werz
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, 07743 Jena, Germany; (L.K.P.); (P.M.J.); (O.W.)
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University, 07743 Jena, Germany
| | - Stefan Lorkowski
- Department of Nutritional Biochemistry and Physiology, Institute of Nutritional Science, Friedrich Schiller University, 07743 Jena, Germany; (A.K.); (B.H.); (S.L.)
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, 07743 Jena, Germany
| | - Cornelia Wiegand
- Department of Dermatology, University Hospital Jena, Dermatological Research Laboratory, 07747 Jena, Germany; (R.R.); (D.R.); (C.W.)
| | - Maria Wallert
- Department of Nutritional Biochemistry and Physiology, Institute of Nutritional Science, Friedrich Schiller University, 07743 Jena, Germany; (A.K.); (B.H.); (S.L.)
- Competence Cluster for Nutrition and Cardiovascular Health (nutriCARD) Halle-Jena-Leipzig, 07743 Jena, Germany
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Zhao G, Tong Y, Xu J, Zhu W, Zeng J, Liu R, Luan F, Zeng N. Jing-Fang powder ethyl acetate extracts attenuate atopic dermatitis by modulating T-cell activity. Mol Immunol 2023; 160:133-149. [PMID: 37429064 DOI: 10.1016/j.molimm.2023.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 06/24/2023] [Accepted: 07/02/2023] [Indexed: 07/12/2023]
Abstract
Jing-Fang powder ethyl acetate extract (JFEE) and its isolated C (JFEE-C) possess favorable anti-inflammatory and anti-allergic properties; however, their inhibitory effects on T cell activity remain unknown. In vitro, Jurkat T cells and primary mouse CD4+ T cells were used to explore the regulatory effects of JFEE and JFEE-C as well as their potential mechanisms on activated T cells. Furthermore, T cell-mediated atopic dermatitis (AD) mouse model was established to confirm these inhibitory effects in vivo. The results showed that JFEE and JFEE-C inhibited T cell activation by suppressing the production of interleukin-2 (IL-2) and interferon-gamma (IFN-γ) without showing cytotoxicity. Flow cytometry showed the inhibitory effects of JFEE and JFEE-C on the activation-induced proliferation and apoptosis of T cells. Pretreatment with JFEE and JFEE-C also decreased the expression levels of several surface molecules, including CD69, CD25, and CD40L. Moreover, it was confirmed that JFEE and JFEE-C inhibited T cell activation by downregulating the TGF-β-activated kinase 1 (TAK1)/nuclear kappa-light-chain-enhancer of activated B cells (NF-κB)/mitogen-activated protein kinase (MAPK) signaling pathways. The combination of these extracts with C25-140 intensified the inhibitory effects on IL-2 production and p65 phosphorylation. The oral administration of JFEE and JFEE-C notably weakened AD manifestations, including the infiltration of mast cells and CD4+ cells, epidermis and dermis thicknesses, serum levels of immunoglobulin E (IgE) and thymic stromal lymphopoietin (TSLP), and gene expression levels of T helper (Th) cells-related cytokines in vivo. The underlying mechanisms of the inhibitory effects of JFEE and JFEE-C on AD were related to attenuating T cell activity through NF-κB/MAPK pathways. In conclusion, this study suggested that JFEE and JFEE-C exhibited anti-atopic efficacy by attenuating T cell activity and might possess a curative potential for T cell-mediated diseases.
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Affiliation(s)
- Ge Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China
| | - Yue Tong
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China
| | - Jie Xu
- College of Material and Chemical Engineering, Chuzhou University, Chuzhou, Anhui 239000, PR China
| | - Wenjing Zhu
- Department of Pharmacy, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan 646000, PR China
| | - Jiuseng Zeng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China
| | - Rong Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China
| | - Fei Luan
- Department of Pharmaceutics, The Key Laboratory of Basic and New Drug Research of Traditional Chinese Medicine, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi 712046, PR China.
| | - Nan Zeng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 611137, PR China.
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30
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Shim KS, Park M, Yang WK, Lee H, Kim SH, Choo BK, Chae S, Kim HK, Kim T, Kim KM. Veronica persica Ethanol Extract Ameliorates Dinitrochlorobenzene-Induced Atopic Dermatitis-like Skin Inflammation in Mice, Likely by Inducing Nrf2/HO-1 Signaling. Antioxidants (Basel) 2023; 12:1267. [PMID: 37371997 DOI: 10.3390/antiox12061267] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/09/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Atopic dermatitis (AD) is chronic allergic contact dermatitis with immune dysregulation. Veronica persica has pharmacological activity that prevents asthmatic inflammation by ameliorating inflammatory cell activation. However, the potential effects of the ethanol extract of V. persica (EEVP) on AD remain elusive. This study evaluated the activity and underlying molecular pathway of EEVP in two AD models: dinitrochlorobenzene (DNCB)-induced mice and interferon (IFN)-γ/tumor necrosis factor (TNF)-α-stimulated human HaCaT keratinocytes. EEVP attenuated the DNCB-induced increase in serum immunoglobulin E and histamine levels, mast cell counts in toluidine-blue-stained dorsal skin, inflammatory cytokine (IFN-γ, interleukin [IL]-4, IL-5, and IL-13) levels in cultured splenocytes, and the mRNA expression of IL6, IL13, IL31 receptor, CCR-3, and TNFα in dorsal tissue. Additionally, EEVP inhibited the IFN-γ/TNF-α-induced mRNA expression of IL6, IL13, and CXCL10 in HaCaT cells. Furthermore, EEVP restored the IFN-γ/TNF-α-induced downregulation of heme oxygenase (HO)-1 in HaCaT cells by inducing nuclear factor erythroid 2-related factor 2 (Nrf2) expression. A molecular docking analysis demonstrated that EEVP components have a strong affinity to the Kelch-like ECH-associated protein 1 Kelch domain. In summary, EEVP inhibits inflammatory AD by attenuating immune cell activation and inducing the Nrf2/HO-1 signaling pathway in skin keratinocytes.
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Affiliation(s)
- Ki-Shuk Shim
- KM Convergence Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon 34054, Republic of Korea
| | - Musun Park
- KM Data Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon 34054, Republic of Korea
| | - Won-Kyung Yang
- Institute of Traditional Medicine and Bioscience, Daejeon University, Daejeon 34520, Republic of Korea
| | - Hanbyeol Lee
- Institute of Traditional Medicine and Bioscience, Daejeon University, Daejeon 34520, Republic of Korea
| | - Seung-Hyung Kim
- Institute of Traditional Medicine and Bioscience, Daejeon University, Daejeon 34520, Republic of Korea
| | - Byung-Kil Choo
- Department of Crop Science & Biotechnology, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Sungwook Chae
- KM Convergence Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon 34054, Republic of Korea
- Korean Convergence Medicine Major KIOM, University of Science & Technology (UST), Daejeon 34054, Republic of Korea
| | - Ho-Kyoung Kim
- KM Convergence Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon 34054, Republic of Korea
| | - Taesoo Kim
- KM Convergence Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon 34054, Republic of Korea
| | - Ki-Mo Kim
- KM Convergence Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon 34054, Republic of Korea
- Korean Convergence Medicine Major KIOM, University of Science & Technology (UST), Daejeon 34054, Republic of Korea
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Yang B, Wilkie H, Das M, Timilshina M, Bainter W, Woods B, Daya M, Boorgula MP, Mathias RA, Lai P, Petty CR, Weller E, Harb H, Chatila TA, Leung DYM, Beck LA, Simpson EL, Hata TR, Barnes KC, Phipatanakul W, Leyva-Castillo JM, Geha RS. The IL-4Rα Q576R polymorphism is associated with increased severity of atopic dermatitis and exaggerates allergic skin inflammation in mice. J Allergy Clin Immunol 2023; 151:1296-1306.e7. [PMID: 36690254 PMCID: PMC10164706 DOI: 10.1016/j.jaci.2023.01.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 12/02/2022] [Accepted: 01/05/2023] [Indexed: 01/22/2023]
Abstract
BACKGROUND Atopic dermatitis (AD) is characterized by TH2-dominated skin inflammation and systemic response to cutaneously encountered antigens. The TH2 cytokines IL-4 and IL-13 play a critical role in the pathogenesis of AD. The Q576->R576 polymorphism in the IL-4 receptor alpha (IL-4Rα) chain common to IL-4 and IL-13 receptors alters IL-4 signaling and is associated with asthma severity. OBJECTIVE We sought to investigate whether the IL-4Rα R576 polymorphism is associated with AD severity and exaggerates allergic skin inflammation in mice. METHODS Nighttime itching interfering with sleep, Rajka-Langeland, and Eczema Area and Severity Index scores were used to assess AD severity. Allergic skin inflammation following epicutaneous sensitization of mice 1 or 2 IL-4Rα R576 alleles (QR and RR) and IL-4Rα Q576 (QQ) controls was assessed by flow cytometric analysis of cells and quantitative RT-PCR analysis of cytokines in skin. RESULTS The frequency of nighttime itching in 190 asthmatic inner-city children with AD, as well as Rajka-Langeland and Eczema Area and Severity Index scores in 1116 White patients with AD enrolled in the Atopic Dermatitis Research Network, was higher in subjects with the IL-4Rα R576 polymorphism compared with those without, with statistical significance for the Rajka-Langeland score. Following epicutaneous sensitization of mice with ovalbumin or house dust mite, skin infiltration by CD4+ cells and eosinophils, cutaneous expression of Il4 and Il13, transepidermal water loss, antigen-specific IgE antibody levels, and IL-13 secretion by antigen-stimulated splenocytes were significantly higher in RR and QR mice compared with QQ controls. Bone marrow radiation chimeras demonstrated that both hematopoietic cells and stromal cells contribute to the mutants' exaggerated allergic skin inflammation. CONCLUSIONS The IL-4Rα R576 polymorphism predisposes to more severe AD and increases allergic skin inflammation in mice.
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Affiliation(s)
- Barbara Yang
- Division of Immunology and Allergy, Department of Medicine, Brigham and Women's Hospital, Boston, Mass
| | - Hazel Wilkie
- Division of Immunology, Boston Children's Hospital, Boston, Mass
| | - Mrinmoy Das
- Division of Immunology, Boston Children's Hospital, Boston, Mass
| | | | - Wayne Bainter
- Division of Immunology, Boston Children's Hospital, Boston, Mass
| | - Brian Woods
- Division of Immunology, Boston Children's Hospital, Boston, Mass
| | - Michelle Daya
- University of Colorado Anschutz Medical Campus, Aurora, Colo
| | | | | | - Peggy Lai
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Boston, Mass
| | - Carter R Petty
- ICCTR Biostatistics and Research Design Center, Boston Children's Hospital, Boston, Mass
| | - Edie Weller
- ICCTR Biostatistics and Research Design Center, Boston Children's Hospital, Boston, Mass
| | - Hani Harb
- Division of Immunology, Boston Children's Hospital, Boston, Mass
| | - Talal A Chatila
- Division of Immunology, Boston Children's Hospital, Boston, Mass
| | | | - Lisa A Beck
- Departments of Dermatology, Medicine, and Pathology, University of Rochester School of Medicine, Rochester, NY
| | - Eric L Simpson
- Department of Dermatology, Oregon Health & Science University, Portland, Ore
| | - Tissa R Hata
- Department of Dermatology, University of California, San Diego, Calif
| | | | | | | | - Raif S Geha
- Division of Immunology, Boston Children's Hospital, Boston, Mass.
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Kang M, Jung JH, Kim JY, Hong SH, Her Y. Therapeutic and Preventive Effect of Orally Administered Prebiotics on Atopic Dermatitis in a Mouse Model. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2023; 15:303-315. [PMID: 37075794 DOI: 10.4168/aair.2023.15.3.303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 10/04/2022] [Accepted: 10/04/2022] [Indexed: 05/17/2023]
Abstract
PURPOSE Recently, interest is increasing in using prebiotics, which are nutrient ingredients of live microorganism that improve the intestinal environments by promoting the growth of beneficial gut microflora. Although numerous studies have demonstrated the beneficial effects of probiotics on atopic dermatitis (AD) development, few have examined preventive and therapeutic effects of prebiotics on the onset and progression of AD. METHODS In this study, we investigated therapeutic and preventive effect of prebiotics, including β-glucan and inulin, using an oxazolone (OX)-induced AD-like mouse model. Prebiotics were orally administered 2 weeks after the end of sensitization period (therapeutic study) and 3 weeks before the initial sensitization (prevention study). The physiological and histological alterations in the skin and gut of the mice were investigated. RESULTS In the therapeutic study, the severity of skin lesions and inflammatory responses were effectively reduced after administering β-glucan and inulin, respectively. The expression level of calprotectin was significantly decreased by approximately 2-fold (P < 0.05) in the skin and gut of prebiotics-treated mice compared to the control. In addition, epidermal thickness and the number of infiltrated immune cells were markedly reduced in the dermis of prebiotics-treated mice compared <strike>with</strike> to those in the OX-induced mice (P < 0.05). These findings were same as in the prevention study. Importantly, pre-administration of β-glucan and inulin prevented the progression of AD by promoting the growth of good bacteria in the gut of OX-induced AD mice. However, the co-administration of β-glucan and inulin did not show enhanced preventive effects on these alterations. CONCLUSIONS Prebiotics has a therapeutic effect on AD in OX-induced AD mouse model. Moreover, our study suggests that prebiotics prevents the development of AD and this effect is associated with a change in gut microbiome.
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Affiliation(s)
- Minje Kang
- Department of Internal Medicine, School of Medicine, Kangwon National University, Chuncheon, Korea
| | - Ji-Hye Jung
- Department of Internal Medicine, School of Medicine, Kangwon National University, Chuncheon, Korea
| | - Ji-Young Kim
- Department of Internal Medicine, School of Medicine, Kangwon National University, Chuncheon, Korea
| | - Seok-Ho Hong
- Department of Internal Medicine, School of Medicine, Kangwon National University, Chuncheon, Korea.
| | - Young Her
- Department of Dermatology, Kangwon National University Hospital, School of Medicine, Kangwon National University, Chuncheon, Korea.
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Jia Y, Hu J, An K, Zhao Q, Dang Y, Liu H, Wei Z, Geng S, Xu F. Hydrogel dressing integrating FAK inhibition and ROS scavenging for mechano-chemical treatment of atopic dermatitis. Nat Commun 2023; 14:2478. [PMID: 37120459 PMCID: PMC10148840 DOI: 10.1038/s41467-023-38209-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 04/20/2023] [Indexed: 05/01/2023] Open
Abstract
Atopic dermatitis (AD) is a chronic skin disease caused by skin immune dyshomeostasis and accompanied by severe pruritus. Although oxidative stress and mechanical scratching can aggravate AD inflammation, treatment targeting scratching is often overlooked, and the efficiency of mechano-chemically synergistic therapy remains unclear. Here, we find that enhanced phosphorylation of focal adhesion kinase (FAK) is associated with scratch-exacerbated AD. We then develop a multifunctional hydrogel dressing that integrates oxidative stress modulation with FAK inhibition to synergistically treat AD. We show that the adhesive, self-healing and antimicrobial hydrogel is suitable for the unique scratching and bacterial environment of AD skin. We demonstrate that it can scavenge intracellular reactive oxygen species and reduce mechanically induced intercellular junction deficiency and inflammation. Furthermore, in mouse AD models with controlled scratching, we find that the hydrogel alleviates AD symptoms, rebuilds the skin barrier, and inhibits inflammation. These results suggest that the hydrogel integrating reactive oxygen species scavenging and FAK inhibition could serve as a promising skin dressing for synergistic AD treatment.
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Affiliation(s)
- Yuanbo Jia
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Xi'an Jiaotong University School of Life Science and Technology, 710049, Xi'an, China
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, 710049, Xi'an, China
| | - Jiahui Hu
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, 710049, Xi'an, China
- Department of Dermatology, The Second Affiliated Hospital, Xi'an Jiaotong University, 710004, Xi'an, Shaanxi, P. R. China
| | - Keli An
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Xi'an Jiaotong University School of Life Science and Technology, 710049, Xi'an, China
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, 710049, Xi'an, China
| | - Qiang Zhao
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, 710049, Xi'an, China
- Department of Dermatology, The Second Affiliated Hospital, Xi'an Jiaotong University, 710004, Xi'an, Shaanxi, P. R. China
| | - Yang Dang
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, 710049, Xi'an, China
- Department of Dermatology, The Second Affiliated Hospital, Xi'an Jiaotong University, 710004, Xi'an, Shaanxi, P. R. China
| | - Hao Liu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Xi'an Jiaotong University School of Life Science and Technology, 710049, Xi'an, China
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, 710049, Xi'an, China
| | - Zhao Wei
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Xi'an Jiaotong University School of Life Science and Technology, 710049, Xi'an, China
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, 710049, Xi'an, China
| | - Songmei Geng
- Department of Dermatology, The Second Affiliated Hospital, Xi'an Jiaotong University, 710004, Xi'an, Shaanxi, P. R. China.
| | - Feng Xu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Xi'an Jiaotong University School of Life Science and Technology, 710049, Xi'an, China.
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, 710049, Xi'an, China.
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Kharwade R, Ali N, Gangane P, Pawar K, More S, Iqbal M, Bhat AR, AlAsmari AF, Kaleem M. DOE-Assisted Formulation, Optimization, and Characterization of Tioconazole-Loaded Transferosomal Hydrogel for the Effective Treatment of Atopic Dermatitis: In Vitro and In Vivo Evaluation. Gels 2023; 9:gels9040303. [PMID: 37102915 PMCID: PMC10137874 DOI: 10.3390/gels9040303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/16/2023] [Accepted: 03/30/2023] [Indexed: 04/09/2023] Open
Abstract
The present study was performed to determine the therapeutic effects of tioconazole (Tz)-loaded novel transferosome carriers (TFs) for the treatment of atopic dermatitis (AD). Method: Tioconazole transferosomes suspension (TTFs) was formulated and optimized using a 32 factorial design. After that, the optimized batch of TTFs loaded into Carbopol 934 and sodium CMC was prepared with hydrogel and noted as TTFsH. Subsequently, it was evaluated for pH, spread ability, drug content, in vitro drug release, viscosity, in vivo scratching and erythema score, skin irritation, and histopathology study. Result: The optimized batch of TTFs (B4) showed the values of vesicle size, flux, and entrapment efficiency to be 171.40 ± 9.03 nm, 48.23 ± 0.42, and 93.89 ± 2.41, respectively. All batches of TTFsH showed sustained drug release for up to 24 h. The F2 optimized batch released Tz in an amount of 94.23 ± 0.98% with a flux of 47.23 ± 0.823 and followed the Higuchi kinetic model. The in vivo studies provided evidence that the F2 batch of TTFsH was able to treat atopic dermatitis (AD) by reducing the erythema and the scratching score compared to that of the marketed formulation (Candiderm cream, Glenmark). The histopathology study supported the result of the erythema and scratching score study with intact skin structure. It showed that a formulated low dose of TTFsH was safe and biocompatible to both the dermis and the epidermis layer of skin. Conclusion: Thus, a low dose of F2-TTFsH is a promising tool that effectively targeted the skin for the topical delivery of Tz to treat atopic dermatitis symptoms.
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Affiliation(s)
- Rohini Kharwade
- Department of Pharmaceutics, Dadasaheb Balpande College of Pharmacy, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440037, India
| | - Nemat Ali
- Department of Pharmacology & Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Purushottam Gangane
- Department of Pharmaceutics, Dadasaheb Balpande College of Pharmacy, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440037, India
| | - Kapil Pawar
- Department of Pharmaceutics, Dadasaheb Balpande College of Pharmacy, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440037, India
| | - Sachin More
- Department of Pharmacology, Dadasaheb Balpande College of Pharmacy, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440037, India
| | - Muzaffar Iqbal
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abid R. Bhat
- Department of Emergency Medicine, University of Maryland School of Medicine, 685 West Baltimore St, HSFI Rm 280I, Baltimore, MD 21201, USA
| | - Abdullah F. AlAsmari
- Department of Pharmacology & Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mohammed Kaleem
- Department of Pharmacology, Dadasaheb Balpande College of Pharmacy, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur 440037, India
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Kim TY, Park NJ, Jegal H, Paik JH, Choi S, Kim SN, Yang MH. Nymphoides peltata Root Extracts Improve Atopic Dermatitis by Regulating Skin Inflammatory and Anti-Oxidative Enzymes in 2,4-Dinitrochlorobenzene (DNCB)-Induced SKH-1 Hairless Mice. Antioxidants (Basel) 2023; 12:antiox12040873. [PMID: 37107248 PMCID: PMC10135162 DOI: 10.3390/antiox12040873] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/30/2023] [Accepted: 03/30/2023] [Indexed: 04/07/2023] Open
Abstract
Nymphoides peltata is widely used pharmacologically in Traditional Chinese Medicine and Ayurvedic medicine as a diuretic, antipyretic, or choleretic and to treat ulcers, snakebites, and edema. Previous studies have shown that phytochemicals from N. peltata have physiological activities such as anti-inflammatory, anti-tumor, and anti-wrinkle properties. Nevertheless, research on the anti-atopic dermatitis (AD) effect of N. peltata extract is limited. This study was undertaken to assess the in vitro and in vivo anti-atopic and antioxidant activities of a 95% EtOH extract of N. peltata roots (NPR). PI-induced RBL-2H3 cells and two typical hapten mice (oxazolone-induced BALB/c mice and 2,4-dinitrochlorobenzene (DNCB)-induced SKH-1 hairless mice) were used to investigate the effect of NPR extract on AD. The expressions of AD-related inflammatory cytokines, skin-related genes, and antioxidant enzymes were analyzed by ELISA, immunoblotting, and immunofluorescence, and skin hydration was measured using Aquaflux AF103 and SKIN-O-MAT instruments. The chemical composition of NPR extract was analyzed using an HPLC-PDA system. In this study, NPR extracts were shown to most efficiently inhibit IL-4 in PI-induced RBL-2H3 cells and AD-like skin symptoms in oxazolone-BALB/c mice compared to its whole and aerial extracts. NPR extract markedly reduced DNCB-induced increases in mast cells, epidermal thickness, IL-4 and IgE expressions, and atopic-like symptoms in SKH-1 hairless mice. In addition, NPR extract suppressed DNCB-induced changes in the expressions of skin-related genes and skin hydration and activated the Nrf2/HO-1 pathway. Three phenolic acids (chlorogenic acid, 3,5-dicaffeoylquinic acid, and 3,4-dicaffeoylquinic acid) were identified by HPLC-PDA in NPR extract. The study shows that NPR extract exhibits anti-atopic activities by inhibiting inflammatory and oxidative stress and improving skin barrier functions, and indicates that NPR extract has potential therapeutic use for the prevention and treatment of AD.
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Affiliation(s)
- Tae-Young Kim
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
| | - No-June Park
- Natural Products Research Institute, Korea Institute of Science and Technology, Gangneung 25451, Republic of Korea
| | - Hyun Jegal
- Natural Products Research Institute, Korea Institute of Science and Technology, Gangneung 25451, Republic of Korea
| | - Jin-Hyub Paik
- International Biological Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Sangho Choi
- International Biological Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Su-Nam Kim
- Natural Products Research Institute, Korea Institute of Science and Technology, Gangneung 25451, Republic of Korea
| | - Min Hye Yang
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan 46241, Republic of Korea
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36
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Park SH, Song HK, Ji KY, Jung DH, Jang S, Kim T, Kim HK. Topical Administration of Gardenia jasminoides Extract Regulates Th2 Immunity in OVA-Induced Mice. Cells 2023; 12:cells12060941. [PMID: 36980282 PMCID: PMC10047210 DOI: 10.3390/cells12060941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/15/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
A key feature of an allergic immune response is a T helper type 2 (Th2)-mediated response with production of allergen-specific IgE antibodies. Gardenia jasminoides extract with the crocin removed (GJExCR) has been shown to inhibit IgE-mediated allergic disease. To evaluate the efficacy and mechanism-of-action of this inhibition, GJExCR was used in an ovalbumin (OVA)-induced allergy model in BALB/C mice. Sensitization of BALB/C mice with OVA and aluminum hydroxide was performed on days 1 and 14 by intraperitoneal injection, followed by OVA challenge to the dorsal skin for 2 weeks before removal. Seven days post-challenge, mice were treated with GJExCR topically every day for 11 days. Enzyme-linked immunosorbent assay, flow cytometry analysis, real-time PCR, and western blot were performed to determine IgE and Th2 cytokine levels. Following OVA challenge, Th2 cytokine expression and both total and OVA-specific serum IgE levels increased, of which OVA-specific IgE and Th2 cytokine levels decreased after GJExCR treatment. Flow cytometry analysis revealed that GJExCR treatment decreased CD4+ and CD8+ T cell populations in the spleen and lymph nodes. In addition, treatment with GJExCR downregulated signal transducer and activator of transcription 1 (STAT1) activation and Th2 cytokine levels as compared to control. GJExCR containing geniposide downregulated STAT1 activation in HaCaT cells. These findings demonstrate that GJExCR exerts its anti-allergy effect via inhibition of STAT1 activation, thus regulating the immune response via modulation of Th2 cytokine release and IgE levels. Therefore, we propose GJExCR as a potential treatment for allergic hypersensitivity reactions.
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Affiliation(s)
- Sun Haeng Park
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine (KIOM), Daejeon 305-811, Republic of Korea
| | - Hyun-Kyung Song
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine (KIOM), Daejeon 305-811, Republic of Korea
| | - Kon-Young Ji
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine (KIOM), Daejeon 305-811, Republic of Korea
| | - Dong Ho Jung
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine (KIOM), Daejeon 305-811, Republic of Korea
| | - Seol Jang
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine (KIOM), Daejeon 305-811, Republic of Korea
| | - Taesoo Kim
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine (KIOM), Daejeon 305-811, Republic of Korea
| | - Ho Kyoung Kim
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine (KIOM), Daejeon 305-811, Republic of Korea
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Zheng C, Shi Y, Zou Y. T cell co-stimulatory and co-inhibitory pathways in atopic dermatitis. Front Immunol 2023; 14:1081999. [PMID: 36993982 PMCID: PMC10040887 DOI: 10.3389/fimmu.2023.1081999] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 02/28/2023] [Indexed: 03/14/2023] Open
Abstract
The use of immune checkpoint inhibitors (ICIs) targeting the T cell inhibitory pathways has revolutionized cancer treatment. However, ICIs might induce progressive atopic dermatitis (AD) by affecting T cell reactivation. The critical role of T cells in AD pathogenesis is widely known. T cell co-signaling pathways regulate T cell activation, where co-signaling molecules are essential for determining the magnitude of the T cell response to antigens. Given the increasing use of ICIs in cancer treatment, a timely overview of the role of T cell co-signaling molecules in AD is required. In this review, we emphasize the importance of these molecules involved in AD pathogenesis. We also discuss the potential of targeting T cell co-signaling pathways to treat AD and present the unresolved issues and existing limitations. A better understanding of the T cell co-signaling pathways would aid investigation of the mechanism, prognosis evaluation, and treatment of AD.
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Affiliation(s)
- Chunjiao Zheng
- Skin and Cosmetic Research Department, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yuling Shi
- Institute of Psoriasis, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China
- *Correspondence: Yuling Shi, ; Ying Zou,
| | - Ying Zou
- Skin and Cosmetic Research Department, Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, China
- *Correspondence: Yuling Shi, ; Ying Zou,
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Greenfield DA, Feizpour A, Evans CL. Quantifying Inflammatory Response and Drug-Aided Resolution in an Atopic Dermatitis model with Deep Learning. J Invest Dermatol 2023:S0022-202X(23)00094-5. [PMID: 36804151 DOI: 10.1016/j.jid.2023.01.026] [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: 07/06/2022] [Revised: 12/12/2022] [Accepted: 01/01/2023] [Indexed: 02/19/2023]
Abstract
Noninvasive quantification of dermal diseases aids efficacy studies and paves the way for broader enrollment in clinical studies across varied demographics. Related to atopic dermatitis, accurate quantification of the onset and resolution of inflammatory flare-ups in the skin remains challenging, as the commonly used macroscale cues do not necessarily represent the underlying inflammation at the cellular level. Although atopic dermatitis affects over 10% of Americans, the genetic underpinnings and cellular level phenomena causing the physical manifestation of the disease require more clarity. Current gold standards of quantification are often invasive, requiring biopsies followed by laboratory analysis. This represents a gap in our ability to diagnose and study skin inflammatory disease, as well as develop improved topical therapeutic treatments. This need can be addressed through noninvasive imaging methods and the use of modern quantitative approaches to streamline the generation of relevant insights. This work reports the nonin- vasive image-based quantification of inflammation in an atopic dermatitis mouse model based on cellular-level deep learning analysis of coherent anti-Stokes Raman scattering and stimulated Raman scattering imaging. This quantifica- tion method allows for timepoint-specific disease scores using morphological and physiological measurements. The outcomes we demonstrate set the stage for applying this workflow to future clinical studies.
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Affiliation(s)
- Daniel A Greenfield
- Wellman Center for Photomedicine, Massachusetts General Hospital, 149 13th Street, Boston, 02129, MA, USA; Harvard University Biophysics PhD Program, 240 Longwood Avenue, Boston, 02115, MA, USA
| | - Amin Feizpour
- Wellman Center for Photomedicine, Massachusetts General Hospital, 149 13th Street, Boston, 02129, MA, USA
| | - Conor L Evans
- Wellman Center for Photomedicine, Massachusetts General Hospital, 149 13th Street, Boston, 02129, MA, USA; Harvard University Biophysics PhD Program, 240 Longwood Avenue, Boston, 02115, MA, USA.
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Singh CK, Mintie CA, Ndiaye MA, Chhabra G, Roy S, Sullivan R, Longley BJ, Schieke SM, Ahmad N. Protective effects of dietary grape against atopic dermatitis-like skin lesions in NC/NgaTndCrlj mice. Front Immunol 2023; 13:1051472. [PMID: 36741360 PMCID: PMC9893861 DOI: 10.3389/fimmu.2022.1051472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 12/29/2022] [Indexed: 01/20/2023] Open
Abstract
Atopic dermatitis (AD) is a chronic inflammatory skin disease with significant health/economic burdens. Existing therapies are not fully effective, necessitating development of new approaches for AD management. Here, we report that dietary grape powder (GP) mitigates AD-like symptoms in 2,4-dinitrofluorobenzene (DNFB)-induced AD in NC/NgaTndCrlj mice. Using prevention and intervention protocols, we tested the efficacy of 3% and 5% GP-fortified diet in a 13-weeks study. We found that GP feeding markedly inhibited development and progression of AD-like skin lesions, and caused reduction in i) epidermal thickness, mast cell infiltration, ulceration, excoriation and acanthosis in dorsal skin, ii) spleen weight, extramedullary hematopoiesis and lymph nodes sizes, and iii) ear weight and IgE levels. We also found significant modulations in 15 AD-associated serum cytokines/chemokines. Next, using quantitative global proteomics, we identified 714 proteins. Of these, 68 (normal control) and 21 (5% GP-prevention) were significantly modulated (≥2-fold) vs AD control (DNFB-treated) group, with many GP-modulated proteins reverting to normal levels. Ingenuity pathway analysis of GP-modulated proteins followed by validation using ProteinSimple identified changes in acute phase response signaling (FGA, FGB, FGG, HP, HPX, LRG1). Overall, GP supplementation inhibited DNFB-induced AD in NC/NgaTndCrlj mice in both prevention and intervention trials, and should be explored further.
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Affiliation(s)
- Chandra K. Singh
- Department of Dermatology, University of Wisconsin, Madison, WI, United States
| | - Charlotte A. Mintie
- Department of Dermatology, University of Wisconsin, Madison, WI, United States
| | - Mary A. Ndiaye
- Department of Dermatology, University of Wisconsin, Madison, WI, United States
| | - Gagan Chhabra
- Department of Dermatology, University of Wisconsin, Madison, WI, United States
| | - Sushmita Roy
- Department of Dermatology, University of Wisconsin, Madison, WI, United States
| | - Ruth Sullivan
- Department of Comparative Biosciences, University of Wisconsin, Madison, WI, United States
| | - B. Jack Longley
- Department of Dermatology, University of Wisconsin, Madison, WI, United States
| | - Stefan M. Schieke
- Department of Dermatology, University of Wisconsin, Madison, WI, United States
| | - Nihal Ahmad
- Department of Dermatology, University of Wisconsin, Madison, WI, United States
- William S. Middleton Veterans Affairs (VA) Medical Center, Madison, WI, United States
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Bae Y, Kim T, Park N, Choi S, Yi D, Soto S, Zamora N, Kim S, Yang M. Ameliorative Effects of Daphnopsis costaricensis Extract against Oxazolone-Induced Atopic Dermatitis-like Lesions in BALB/c Mice. Nutrients 2022; 14:4521. [PMID: 36364783 PMCID: PMC9654989 DOI: 10.3390/nu14214521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/20/2022] [Accepted: 10/26/2022] [Indexed: 12/24/2023] Open
Abstract
The genus Daphnopsis has been traditionally used as a purgative, diuretic, stimulant, and psoriasis treatment. In this study, the anti-AD (atopic dermatitis) activities of the Daphnopsis costaricensis EtOH extract (DCE) were investigated in an oxazolone (OX)-induced mouse model of AD, and the anti-inflammatory effects of its active compounds were confirmed in PI-sensitized or IgE/DNP-BSA-sensitized RBL-2H3 cells. DCE improved the symptoms of OX-induced inflammatory dermatitis (swelling, erythema, and increased ear thickening) in OX-induced BALB/c mice ears and reduced epidermal thickness and mast cell infiltration. Eleven flavonoid compounds were isolated from DCE, and two compounds (7,8-dimethoxyflavone and 7,2'-dimethoxyflavone) significantly inhibited IL-4 overexpression in PI-induced RBL-2H3 cells and mast cell degranulation in IgE + DNP-BSA-induced RBL-2H3 cells. Our study indicates that DCE and two compounds (7,8-dimethoxyflavone and 7,2'-dimethoxyflavone) might effectively improve inflammatory and atopic skin symptoms.
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Affiliation(s)
- Yunji Bae
- College of Pharmacy, Pusan National University, Busan 46241, Korea
| | - Taeyoung Kim
- College of Pharmacy, Pusan National University, Busan 46241, Korea
| | - Nojune Park
- Natural Products Research Center, Korea Institute of Science and Technology, Gangneung 25451, Korea
| | - Sangho Choi
- International Biological Material Research Center, Korea Research Institute of Bioscience and Biotechnology, 111 Gwahak-ro, Yuseong-gu, Daejeon 34141, Korea
| | - Dongkeun Yi
- International Biological Material Research Center, Korea Research Institute of Bioscience and Biotechnology, 111 Gwahak-ro, Yuseong-gu, Daejeon 34141, Korea
| | - Silvia Soto
- Bioprospecting Research Unit, National Biodiversity Institute, Heredia 22-3100, Costa Rica
| | - Nelson Zamora
- Bioprospecting Research Unit, National Biodiversity Institute, Heredia 22-3100, Costa Rica
| | - Sunam Kim
- Natural Products Research Center, Korea Institute of Science and Technology, Gangneung 25451, Korea
| | - Minhye Yang
- College of Pharmacy, Pusan National University, Busan 46241, Korea
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Malekpour M, Etebari A, Hezarosi M, Anissian A, Karimi F. Mouse Model of Irritant Contact Dermatitis. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2022; 21:e130881. [PMID: 36710994 PMCID: PMC9872550 DOI: 10.5812/ijpr-130881] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/06/2022] [Accepted: 09/09/2022] [Indexed: 02/01/2023]
Abstract
Background Irritant contact dermatitis is a common inflammatory skin disease characterized by skin barrier dysfunction, eczematous dermatitis, and chronic itching. This disease severely affects the quality of life. Considering that the current treatment approaches are not ideal, more extensive research is needed to develop new treatments. Mainly, a mouse model is needed to investigate the effectiveness of new drugs to treat this disease. Objectives This study was conducted to create a mouse model of irritant contact dermatitis. Methods In the current study, we used BALB/c female mice to prepare a mouse model of irritant contact dermatitis. To induce irritant contact dermatitis, we used a dinitrochlorobenzene mixture with acetone/olive oil as an irritant. After 10 days of application, the mouse skin tissue was isolated and examined in terms of histopathology. Results The introduced protocol created an irritant contact dermatitis model clinically and histopathologically. Conclusions In the present study, we introduced a new protocol using a mixture of dinitrochlorobenzene and acetone/olive oil to create an irritant contact dermatitis model. Mouse models have been extensively used to discover the complex mechanisms of irritant contact dermatitis and provide a preclinical platform before conducting clinical interventional research on humans to evaluate a new therapeutic approach. However, one should always look for models that cause the least pain and suffering in the animal and simultaneously are simple and reliable for the desired studies. Thus, our protocol is a new approach that can be effective and painless in creating a model of irritant contact dermatitis.
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Affiliation(s)
- Monireh Malekpour
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Atefe Etebari
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahsa Hezarosi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali Anissian
- Department of Veterinary, Abhar Branch, Islamic Azad University, Abhar, Iran
| | - Forouzan Karimi
- Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Corresponding Author: Department of Immunology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Chen HY, Chen YT, Li KY, Huang HW, Lin YC, Chen MJ. A Heat-Killed Probiotic Mixture Regulates Immune T Cells Balance and IgE Production in House Dust Mite Extraction-Induced Atopic Dermatitis Mice. Microorganisms 2022; 10:1881. [PMID: 36296158 PMCID: PMC9607426 DOI: 10.3390/microorganisms10101881] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/12/2022] [Accepted: 09/17/2022] [Indexed: 11/15/2023] Open
Abstract
Atopic dermatitis (AD) is a chronic and relapsing inflammatory skin disease accompanied with severe itching and skin lesions. Current studies have demonstrated that probiotics can exert an immunomodulatory effect, improve epithelial barrier function, and normalize the composition of gut microbiota. Thus, the aim of this study was to investigate the effect of probiotics on the immune balance of AD in vivo. We first screened two lactic acid bacteria strains, which were Lactococcus lactis subsp. cremoris MP01 and Lactobacillus paracasei subsp. paracasei MP02, from 10 strains isolated from traditional fermented milk with inflammation regulating activities in vitro. In the house dust mite (HDM) extraction-induced AD mouse model, mice were assigned randomly to four groups: control group (PC), HDM-induced AD group (NC), HDM-induced AD mice with administration of a mixture of heat-killed MP01 and MP02 at a low concentration (LD), and high concentration (HD) groups. Compared with the NC group, the probiotic treatments could relieve the AD symptoms. Moreover, the LD group significantly decreased total and HDM-specific IgE concentration. These results indicated that a combination of heat-killed MP01 and MP02 strains modulated the proportion of IL4+CD4+ T cells and IFNγ+CD4+ T cells in the spleen of HDM extraction-induced AD mice. In conclusion, administration of the heat-killed MP01 and MP02 mixtures appeared to relieve the classic AD signs, decrease serum IgE concentration, and rebalance the population of Th1/Th2 cells in HDM extraction-induced AD mice. The immunomodulatory activities of a combination of heat-killed MP01 and MP02 provided a potential new therapeutic strategy against AD.
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Affiliation(s)
- Hsin-Yu Chen
- Department of Animal Science and Technology, National Taiwan University, Taipei 10617, Taiwan
| | - Yung-Tsung Chen
- Department of Food Science, National Taiwan Ocean University, Keelung 202301, Taiwan
| | - Kuan-Yi Li
- Department of Animal Science and Technology, National Taiwan University, Taipei 10617, Taiwan
| | - Hsiao-Wen Huang
- Department of Animal Science and Technology, National Taiwan University, Taipei 10617, Taiwan
| | - Yu-Chun Lin
- Livestock Research Institute, Council of Agriculture, Executive Yuan, Tainan City 712009, Taiwan
| | - Ming-Ju Chen
- Department of Animal Science and Technology, National Taiwan University, Taipei 10617, Taiwan
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Structural and Functional Analysis of Excised Skins and Human Reconstructed Epidermis with Confocal Raman Spectroscopy and in Microfluidic Diffusion Chambers. Pharmaceutics 2022; 14:pharmaceutics14081689. [PMID: 36015315 PMCID: PMC9415586 DOI: 10.3390/pharmaceutics14081689] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/04/2022] [Accepted: 08/11/2022] [Indexed: 12/02/2022] Open
Abstract
Several ex vivo and in vitro skin models are available in the toolbox of dermatological and cosmetic research. Some of them are widely used in drug penetration testing. The excised skins show higher variability, while the in vitro skins provide more reproducible data. The aim of the current study was to compare the chemical composition of different skin models (excised rat skin, excised human skin and human-reconstructed epidermis) by measurement of ceramides, cholesterol, lactate, urea, protein and water at different depths of the tissues. The second goal was to compile a testing system, which includes a skin-on-a-chip diffusion setup and a confocal Raman spectroscopy for testing drug diffusion across the skin barrier and accumulation in the tissue models. A hydrophilic drug caffeine and the P-glycoprotein substrate quinidine were used in the study as topical cream formulations. The results indicate that although the transdermal diffusion of quinidine is lower, the skin accumulation was comparable for the two drugs. The various skin models showed different chemical compositions. The human skin was abundant in ceramides and cholesterol, while the reconstructed skin contained less water and more urea and protein. Based on these results, it can be concluded that skin-on-a-chip and confocal Raman microspectroscopy are suitable for testing drug penetration and distribution at different skin layers within an exposition window. Furthermore, obese human skin should be treated with caution for skin absorption testing due to its unbalanced composition.
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44
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Leyva-Castillo JM, Sun L, Wu SY, Rockowitz S, Sliz P, Geha R. Single-cell transcriptome profile of mouse skin undergoing antigen-driven allergic inflammation recapitulates findings in atopic dermatitis skin lesions. J Allergy Clin Immunol 2022; 150:373-384. [PMID: 35300986 PMCID: PMC9378429 DOI: 10.1016/j.jaci.2022.03.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 02/05/2022] [Accepted: 03/03/2022] [Indexed: 01/11/2023]
Abstract
BACKGROUND Allergic skin inflammation elicited in mice by epicutaneous (EC) sensitization with antigen shares characteristics with human atopic dermatitis (AD). OBJECTIVE We characterized gene expression by single cells in mouse skin undergoing antigen-driven allergic inflammation and compared the results with findings in AD skin lesions. METHODS Mice were EC sensitized by application of ovalbumin (OVA) or saline to tape-stripped skin. Single-cell RNA sequencing was performed on skin cells 12 days later. Flow cytometry analysis was performed to validate results. RESULTS Sequencing identified 7 nonhematopoietic and 6 hematopoietic cell subsets in EC-sensitized mouse skin. OVA sensitization resulted in the expansion in the skin of T cells, dendritic cells, macrophages, mast cells/basophils, fibroblasts, and myocytes cell clusters, and in upregulation of TH2 cytokine gene expression in CD4+ T cells and mast cells/basophils. Genes differentially expressed in OVA-sensitized skin included genes important for inflammation in dendritic cells and macrophages, collagen deposition, and leukocyte migration in fibroblasts, chemotaxis in endothelial cells and skin barrier integrity, and differentiation in KCs-findings that recapitulate those in AD skin lesions. Unexpectedly, mast cells/basophils, rather than T cells, were the major source of Il4 and ll13 in OVA-sensitized mouse skin. In addition, our results suggest novel pathways in fibroblast and endothelial cells that may contribute to allergic skin inflammation. CONCLUSION The gene expression profile of single cells in mouse skin undergoing antigen-driven shares many features with that in AD skin lesions and unveils novel pathways that may be involved in allergic skin inflammation.
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Affiliation(s)
- Juan Manuel Leyva-Castillo
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, MA.,Corresponding authors: Juan-Manuel Leyva-Castillo, PhD. Boston Children’s Hospital, Division of Immunology, One Blackfan Circle, Boston, Massachusetts 02115, USA. Phone: 617-919-2465, Fax: 617-730-0528, Raif S. Geha, MD. Boston Children’s Hospital, Division of Immunology, One Blackfan Circle, Boston, Massachusetts 02115, USA. Phone: 617-919-2482, Fax: 617-730-0528,
| | - Liang Sun
- The Manton Center for Orphan Disease Research, Boston Children’s Hospital, Boston, USA
| | - Shih-Ying Wu
- The Manton Center for Orphan Disease Research, Boston Children’s Hospital, Boston, USA
| | - Shira Rockowitz
- The Manton Center for Orphan Disease Research, Boston Children’s Hospital, Boston, USA
| | - Piotr Sliz
- The Manton Center for Orphan Disease Research, Boston Children’s Hospital, Boston, USA.,Division of Molecular Medicine, Boston Children’s Hospital, Boston, USA
| | - Raif Geha
- Division of Immunology, Boston Children’s Hospital, Harvard Medical School, Boston, MA.,Corresponding authors: Juan-Manuel Leyva-Castillo, PhD. Boston Children’s Hospital, Division of Immunology, One Blackfan Circle, Boston, Massachusetts 02115, USA. Phone: 617-919-2465, Fax: 617-730-0528, Raif S. Geha, MD. Boston Children’s Hospital, Division of Immunology, One Blackfan Circle, Boston, Massachusetts 02115, USA. Phone: 617-919-2482, Fax: 617-730-0528,
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Sakai H, Sato K, Ito K, Kosugi I, Kiyama M, Kon R, Ikarashi N, Kamei J, Chiba Y, Hosoe T. Inhibition of Spred/Sprouty Expression in the Skin of a Contact Dermatitis-Like Model. Biol Pharm Bull 2022; 45:1208-1212. [DOI: 10.1248/bpb.b22-00279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Hiroyasu Sakai
- Department of Biomolecular Pharmacology, School of Pharmacy, Hoshi University
| | - Ken Sato
- Department of Biomolecular Pharmacology, School of Pharmacy, Hoshi University
| | - Koya Ito
- Department of Biomolecular Pharmacology, School of Pharmacy, Hoshi University
| | - Ikoi Kosugi
- Department of Biomolecular Pharmacology, School of Pharmacy, Hoshi University
| | - Miho Kiyama
- Department of Biomolecular Pharmacology, School of Pharmacy, Hoshi University
| | - Risako Kon
- Department of Biomolecular Pharmacology, School of Pharmacy, Hoshi University
| | - Nobutomo Ikarashi
- Department of Biomolecular Pharmacology, School of Pharmacy, Hoshi University
| | - Junzo Kamei
- Juntendo Advanced Research Institute for Health Science, Juntendo University
| | - Yoshihiko Chiba
- Department of Physiology and Molecular Sciences, School of Pharmacy, Hoshi University
| | - Tomoo Hosoe
- Department of Bioregulatory Science, School of Pharmacy, Hoshi University
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Sakamoto N, Haraguchi T, Kobayashi K, Miyazaki Y, Murata T. Automated scratching detection system for black mouse using deep learning. Front Physiol 2022; 13:939281. [PMID: 35936901 PMCID: PMC9352956 DOI: 10.3389/fphys.2022.939281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 06/28/2022] [Indexed: 11/13/2022] Open
Abstract
The evaluation of scratching behavior is important in experimental animals because there is significant interest in elucidating mechanisms and developing medications for itching. The scratching behavior is classically quantified by human observation, but it is labor-intensive and has low throughput. We previously established an automated scratching detection method using a convolutional recurrent neural network (CRNN). The established CRNN model was trained by white mice (BALB/c), and it could predict their scratching bouts and duration. However, its performance in black mice (C57BL/6) is insufficient. Here, we established a model for black mice to increase prediction accuracy. Scratching behavior in black mice was elicited by serotonin administration, and their behavior was recorded using a video camera. The videos were carefully observed, and each frame was manually labeled as scratching or other behavior. The CRNN model was trained using the labels and predicted the first-look videos. In addition, posterior filters were set to remove unlikely short predictions. The newly trained CRNN could sufficiently detect scratching behavior in black mice (sensitivity, 98.1%; positive predictive rate, 94.0%). Thus, our established CRNN and posterior filter successfully predicted the scratching behavior in black mice, highlighting that our workflow can be useful, regardless of the mouse strain.
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47
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Ogawa T, Ishitsuka Y. The Role of KEAP1-NRF2 System in Atopic Dermatitis and Psoriasis. Antioxidants (Basel) 2022; 11:antiox11071397. [PMID: 35883888 PMCID: PMC9312147 DOI: 10.3390/antiox11071397] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/16/2022] [Accepted: 07/18/2022] [Indexed: 02/06/2023] Open
Abstract
The Kelch-like erythroid cell-derived protein with cap‘n’collar homology-associated protein 1 (KEAP1)-nuclear factor erythroid-2-related factor 2 (NRF2) system, a thiol-based sensor-effector apparatus, exerts antioxidative and anti-inflammatory effects and maintains skin homeostasis. Thus, NRF2 activation appears to be a promising treatment option for various skin diseases. However, NRF2-mediated defense responses may deteriorate skin inflammation in a context-dependent manner. Atopic dermatitis (AD) and psoriasis are two common chronic inflammatory skin diseases caused by a defective skin barrier, dysregulated immune responses, genetic predispositions, and environmental factors. This review focuses on the role of the KEAP1-NRF2 system in the pathophysiology of AD and psoriasis and the therapeutic approaches that utilize this system.
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Affiliation(s)
- Tatsuya Ogawa
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8575, Ibaraki, Japan;
- Correspondence: ; Tel.: +81-29-853-3128; Fax: +81-29-853-3217
| | - Yosuke Ishitsuka
- Department of Dermatology, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba 305-8575, Ibaraki, Japan;
- Department of Dermatology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita 565-0871, Osaka, Japan
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48
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Sanjel B, Shim WS. The contribution of mouse models to understanding atopic dermatitis. Biochem Pharmacol 2022; 203:115177. [PMID: 35843300 DOI: 10.1016/j.bcp.2022.115177] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 07/08/2022] [Accepted: 07/11/2022] [Indexed: 12/28/2022]
Abstract
Atopic dermatitis (AD) is a dermatological disease accompanied by dry and cracked skin with severe pruritus. Although various therapeutic strategies have been introduced to alleviate AD, it remains challenging to cure the disorder. To achieve such a goal, understanding the pathophysiological mechanisms of AD is a prerequisite, requiring mouse models that properly reflect the AD phenotypes. Currently, numerous AD mouse models have been established, but each model has its own advantages and weaknesses. In this review, we categorized and summarized mouse models of AD and described their characteristics from a researcher's perspective.
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Affiliation(s)
- Babina Sanjel
- College of Pharmacy, Gachon University, Hambangmoero 191, Yeonsu-gu, Incheon 21936, Republic of Korea; Gachon Institute of Pharmaceutical Sciences, Hambangmoero 191, Yeonsu-gu, Incheon 21936, Republic of Korea
| | - Won-Sik Shim
- College of Pharmacy, Gachon University, Hambangmoero 191, Yeonsu-gu, Incheon 21936, Republic of Korea; Gachon Institute of Pharmaceutical Sciences, Hambangmoero 191, Yeonsu-gu, Incheon 21936, Republic of Korea.
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49
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Sakakibara M, Sumida H, Yanagida K, Miyasato S, Nakamura M, Sato S. Bitter taste receptor T2R38 is expressed on skin-infiltrating lymphocytes and regulates lymphocyte migration. Sci Rep 2022; 12:11790. [PMID: 35821061 PMCID: PMC9276799 DOI: 10.1038/s41598-022-15999-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 07/04/2022] [Indexed: 12/23/2022] Open
Abstract
Bitter taste receptors (T2Rs) are G protein-coupled receptors involved in the perception of bitter taste on the tongue. In humans, T2Rs have been found in several sites outside the oral cavity. Although T2R38 has been reported to be expressed on peripheral lymphocytes, it is poorly understood whether T2R38 plays immunological roles in inflammatory skin diseases such as atopic dermatitis (AD). Then, we first confirmed that T2R38 gene expression was higher in lesional skin of AD subjects than healthy controls. Furthermore, skin T2R38 expression levels were correlated with serum thymus and activation-regulated chemokine and IgE levels in AD patients. In lesional skin of AD, section staining revealed that CD3+ T cells in the dermis were T2R38 positive. In addition, flow cytometry analysis showed T2R38 expression in skin T cells. Migration assays using T2R38-transduced Jurkat T cell leukemia cells revealed that T2R38 agonists exerted a dose-dependent migration inhibitory effect. Moreover, skin tissue extracts, as well as supernatants of cultured HaCaT keratinocytes, caused T2R38-dependent migration inhibition, indicating that there should be an endogenous ligand for T2R38 in the skin epidermis. These findings implicate T2R38 as a migratory inhibitory receptor on the skin-infiltrating lymphocytes and as a therapeutic target for allergic/inflammatory skin diseases.
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Affiliation(s)
- Moe Sakakibara
- Department of Dermatology, Faculty of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Hayakazu Sumida
- Department of Dermatology, Faculty of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.
| | - Keisuke Yanagida
- Department of Lipid Signaling, National Center for Global Health and Medicine, Shinjuku-ku, Tokyo, Japan
| | - Sosuke Miyasato
- Department of Bioscience, Graduate School of Life Science, Okayama University of Science, Okayama, Japan
| | - Motonao Nakamura
- Department of Bioscience, Graduate School of Life Science, Okayama University of Science, Okayama, Japan
| | - Shinichi Sato
- Department of Dermatology, Faculty of Medicine, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
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50
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Uchida AM, Ro G, Garber JJ, Peterson KA, Round JL. Models and Tools for Investigating Eosinophilic Esophagitis at the Bench. Front Immunol 2022; 13:943518. [PMID: 35874718 PMCID: PMC9296852 DOI: 10.3389/fimmu.2022.943518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 06/10/2022] [Indexed: 11/23/2022] Open
Abstract
Eosinophilic esophagitis (EoE) is an increasingly common food allergy disease of the esophagus that received its medical designation code in 2008. Despite this recency, great strides have been made in the understanding of EoE pathophysiology and type 2 immunity through basic and translational scientific investigations conducted at the bench. These advances have been critical to our understanding of disease mechanisms and generating new hypotheses, however, there currently is only one very recently approved FDA-approved therapy for EoE, leaving a great deal to be uncovered for patients with this disease. Here we review some of the innovative methods, models and tools that have contributed to the advances in EoE discovery and suggest future directions of investigation to expand upon this foundation.
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Affiliation(s)
- Amiko M. Uchida
- Division of Gastroenterology, Hepatology and Nutrition, University of Utah School of Medicine, Salt Lake City, UT, United States
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT, United States
- *Correspondence: Amiko M. Uchida,
| | - Gabrielle Ro
- Division of Gastroenterology, Hepatology and Nutrition, University of Utah School of Medicine, Salt Lake City, UT, United States
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT, United States
| | - John J. Garber
- Gastrointestinal Unit, Massachusetts General Hospital, Harvard Medical School, Boston MA, United States
| | - Kathryn A. Peterson
- Division of Gastroenterology, Hepatology and Nutrition, University of Utah School of Medicine, Salt Lake City, UT, United States
| | - June L. Round
- Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT, United States
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