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Song HK, Park SH, Kim HJ, Jang S, Choo BK, Kim HK, Kim T. Inhibitory effect of Sanguisorba hakusanensis Makino ethanol extract on atopic dermatitis-like responses in NC/Nga mice and human keratinocytes. Sci Rep 2023; 13:14594. [PMID: 37670127 PMCID: PMC10480230 DOI: 10.1038/s41598-023-41676-3] [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: 05/10/2023] [Accepted: 08/30/2023] [Indexed: 09/07/2023] Open
Abstract
Atopic dermatitis (AD) is an allergic, inflammatory skin disease caused by immune dysregulation. In this study, we investigated anti-atopic and anti-inflammatory activities of Sanguisorba hakusanensis ethanol extract (SHE) both in vivo using NC/Nga mice and in vitro using human HaCaT keratinocytes. Oral administration of SHE suppressed several atopic symptoms associated with house dust mites (induced with Dermatophagoides farinae extract) in NC/Nga mice and decreased serum levels of inflammatory mediators such as immunoglobulin E, histamine, and inflammatory chemokines. Additionally, SHE treatment reduced the infiltration of immune cells such as mast cells and macrophages in AD skin lesions. In vitro, interferon-γ- and tumor necrosis factor-α-stimulated HaCaT cells exhibited increased expression of T helper 1 and 2 chemokines; their expression was inhibited by SHE treatment. The anti-inflammatory effects of SHE treatment involved blocking of the mitogen-activated protein kinase and signal transducer and activator of transcription 1 signaling pathways. In conclusion, SHE exerts potent anti-atopic and anti-inflammatory effects and should be considered for the clinical treatment of AD.
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Affiliation(s)
- Hyun-Kyung Song
- KM Convergence Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon, 34054, Republic of Korea
| | - Sun Haeng Park
- KM Convergence Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon, 34054, Republic of Korea
| | - Hye Jin Kim
- KM Convergence Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon, 34054, Republic of Korea
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Republic of Korea
| | - Seol Jang
- KM Convergence Research Division, Korea Institute of Oriental Medicine, Yuseong-daero 1672, Yuseong-gu, Daejeon, 34054, Republic of Korea
| | - Byung-Kil Choo
- Department of Crop Science and Biotechnology, Jeonbuk National University, Jeonju, 54896, 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.
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Yoshioka Y, Kamata Y, Tominaga M, Umehara Y, Yoshida I, Matsuoka N, Takamori K. Extract of Scutellaria baicalensis induces semaphorin 3A production in human epidermal keratinocytes. PLoS One 2021; 16:e0250663. [PMID: 33905439 PMCID: PMC8078742 DOI: 10.1371/journal.pone.0250663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 04/12/2021] [Indexed: 11/18/2022] Open
Abstract
In a disease-state-dependent manner, the histamine-resistant itch in dry skin-based skin diseases such as atopic dermatitis (AD) and xerosis is mainly due to hyperinnervation in the epidermis. Semaphorin 3A (Sema3A) is a nerve repulsion factor expressed in keratinocytes and it suppresses nerve fiber elongation in the epidermis. Our previous studies have shown that Sema3A ointment inhibits epidermal hyperinnervation and scratching behavior and improves dermatitis scores in AD model mice. Therefore, we consider Sema3A as a key therapeutic target for improving histamine-resistant itch in AD and xerosis. This study was designed to screen a library of herbal plant extracts to discover compounds with potential to induce Sema3A in normal human epidermal keratinocytes (NHEKs) using a reporter gene assay, so that positive samples were found. Among the positive samples, only the extract of S. baicalensis was found to consistently increase Sema3A levels in cultured NHEKs in assays using quantitative real-time PCR and ELISA. In evaluation of reconstituted human epidermis models, the level of Sema3A protein in culture supernatants significantly increased by application of the extract of S. baicalensis. In addition, we investigated which components in the extract of S. baicalensis contributed to Sema3A induction and found that baicalin and baicalein markedly increased the relative luciferase activity, and that baicalein had higher induction activity than baicalin. Thus, these findings suggest that S. baicalensis extract and its compounds, baicalin and baicalein, may be promising candidates for improving histamine-resistant itch via the induction of Sema3A expression in epidermal keratinocytes.
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Affiliation(s)
- Yasuko Yoshioka
- Central R&D Laboratory, Kobayashi Pharmaceutical Co. Ltd., Ibaraki, Osaka, Japan
- Juntendo Itch Research Center (JIRC), Institute for Environmental and Gender Specific Medicine, Juntendo University Graduate School of Medicine, Urayasu, Chiba, Japan
| | - Yayoi Kamata
- Juntendo Itch Research Center (JIRC), Institute for Environmental and Gender Specific Medicine, Juntendo University Graduate School of Medicine, Urayasu, Chiba, Japan
| | - Mitsutoshi Tominaga
- Juntendo Itch Research Center (JIRC), Institute for Environmental and Gender Specific Medicine, Juntendo University Graduate School of Medicine, Urayasu, Chiba, Japan
| | - Yoshie Umehara
- Juntendo Itch Research Center (JIRC), Institute for Environmental and Gender Specific Medicine, Juntendo University Graduate School of Medicine, Urayasu, Chiba, Japan
| | - Ikuyo Yoshida
- Central R&D Laboratory, Kobayashi Pharmaceutical Co. Ltd., Ibaraki, Osaka, Japan
| | - Nobuya Matsuoka
- Central R&D Laboratory, Kobayashi Pharmaceutical Co. Ltd., Ibaraki, Osaka, Japan
| | - Kenji Takamori
- Juntendo Itch Research Center (JIRC), Institute for Environmental and Gender Specific Medicine, Juntendo University Graduate School of Medicine, Urayasu, Chiba, Japan
- Department of Dermatology, Juntendo University Urayasu Hospital, Urayasu, Chiba, Japan
- * E-mail:
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Kim YH, Kim TH, Kang MS, Ahn JO, Choi JH, Chung JY. Comparison of the presentation of atopic dermatitis induced by trinitrochlorobenzene and house dust mite in NC/Nga mice. J Vet Sci 2020; 21:e59. [PMID: 32735097 PMCID: PMC7402931 DOI: 10.4142/jvs.2020.21.e59] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 04/01/2020] [Accepted: 04/12/2020] [Indexed: 11/20/2022] Open
Abstract
Background Atopic dermatitis (AD) is a common chronic inflammatory skin disease. To understand AD, there have been many trials establishing AD animal models. Although various trials to establish AD animal models have been existed, even the mechanisms of AD in animal models are not enough clarified. Objectives This study assessed AD characteristics induced in Nishiki-nezumi Cinnamon/Nagoya (Nc/Nga) mice following trinitrochlorobenzene (TNCB) treatment for different periods and house dust mite (HDM) treatment to compare each model's immunological patterns, especially with cytokine antibody array tool. Methods In this study, we exposed Nc/Nga mice to TNCB or HDM extract to induce AD. Nc/Nga mice were divided into 4 groups: control, TNCB 2 weeks-treated, TNCB 8 weeks-treated, and HDM-treated groups. After AD induction, all mice were evaluated by serum immunoglobulin E (IgE) concentration and serum cytokine antibody assays, scoring of skin lesions, scoring of scratching frequency, and histological analysis. Results The results showed significant differences between groups in serum IgE concentration, skin lesion scores, and scratching frequency. The analysis results for serum cytokine antibody arrays showed that in the TNCB 8 weeks- and HDM-treated groups, but not in the TNCB 2 weeks-treated group, expressions of genes related to the immune response were enriched. Among the histological results, the skin lesions in the HDM-treated group were most similar to those of AD. Conclusions We confirmed that immunological pattern of AD mice was markedly different between HDM and TNCB treated groups. In addition, the immunological pattern was quietly different dependent on TNCB treated duration.
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Affiliation(s)
- Yoon Hwan Kim
- Department of Veterinary Internal Medicine and Institute of Veterinary Science, College of Veterinary Medicine, Kangwon National University, Chuncheon 24341, Korea
| | - Tae Hyeong Kim
- Department of Anatomy and Institute of Veterinary Science, College of Veterinary Medicine, Kangwon National University, Chuncheon 24341, Korea
| | - Min Soo Kang
- Department of Anatomy and Institute of Veterinary Science, College of Veterinary Medicine, Kangwon National University, Chuncheon 24341, Korea
| | - Jin Ok Ahn
- Department of Veterinary Internal Medicine and Institute of Veterinary Science, College of Veterinary Medicine, Kangwon National University, Chuncheon 24341, Korea
| | - Jung Hoon Choi
- Department of Anatomy and Institute of Veterinary Science, College of Veterinary Medicine, Kangwon National University, Chuncheon 24341, Korea.
| | - Jin Young Chung
- Department of Veterinary Internal Medicine and Institute of Veterinary Science, College of Veterinary Medicine, Kangwon National University, Chuncheon 24341, Korea.
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Ralvenius WT, Neumann E, Pagani M, Acuña MA, Wildner H, Benke D, Fischer N, Rostaher A, Schwager S, Detmar M, Frauenknecht K, Aguzzi A, Hubbs JL, Rudolph U, Favrot C, Zeilhofer HU. Itch suppression in mice and dogs by modulation of spinal α2 and α3GABA A receptors. Nat Commun 2018; 9:3230. [PMID: 30104684 PMCID: PMC6089996 DOI: 10.1038/s41467-018-05709-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 07/20/2018] [Indexed: 11/10/2022] Open
Abstract
Chronic itch is a highly debilitating condition affecting about 10% of the general population. The relay of itch signals is under tight control by inhibitory circuits of the spinal dorsal horn, which may offer a hitherto unexploited therapeutic opportunity. Here, we found that specific pharmacological targeting of inhibitory α2 and α3GABAA receptors reduces acute histaminergic and non-histaminergic itch in mice. Systemic treatment with an α2/α3GABAA receptor selective modulator alleviates also chronic itch in a mouse model of atopic dermatitis and in dogs sensitized to house dust mites, without inducing sedation, motor dysfunction, or loss of antipruritic activity after prolonged treatment. Transsynaptic circuit tracing, immunofluorescence, and electrophysiological experiments identify spinal α2 and α3GABAA receptors as likely molecular targets underlying the antipruritic effect. Our results indicate that drugs targeting α2 and α3GABAA receptors are well-suited to alleviate itch, including non-histaminergic chronic itch for which currently no approved treatment exists.
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Affiliation(s)
- William T Ralvenius
- Institute of Pharmacology and Toxicology, University of Zürich, Winterthurerstrasse 190, CH-8057, Zürich, Switzerland
| | - Elena Neumann
- Institute of Pharmacology and Toxicology, University of Zürich, Winterthurerstrasse 190, CH-8057, Zürich, Switzerland
| | - Martina Pagani
- Institute of Pharmacology and Toxicology, University of Zürich, Winterthurerstrasse 190, CH-8057, Zürich, Switzerland.,Neuroscience Center Zürich, Winterthurerstrasse 190, CH-8057, Zürich, Switzerland
| | - Mario A Acuña
- Institute of Pharmacology and Toxicology, University of Zürich, Winterthurerstrasse 190, CH-8057, Zürich, Switzerland
| | - Hendrik Wildner
- Institute of Pharmacology and Toxicology, University of Zürich, Winterthurerstrasse 190, CH-8057, Zürich, Switzerland
| | - Dietmar Benke
- Institute of Pharmacology and Toxicology, University of Zürich, Winterthurerstrasse 190, CH-8057, Zürich, Switzerland.,Neuroscience Center Zürich, Winterthurerstrasse 190, CH-8057, Zürich, Switzerland.,Drug Discovery Network Zürich (DDNZ), Winterthurerstrasse 190, CH-8057, Zürich, Switzerland
| | - Nina Fischer
- Dermatology Department, Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, Winterthurerstrasse 260, CH-8057, Zürich, Switzerland
| | - Ana Rostaher
- Dermatology Department, Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, Winterthurerstrasse 260, CH-8057, Zürich, Switzerland
| | - Simon Schwager
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology (ETH) Zürich, Vladimir-Prelog-Weg 1-5/10, CH-8093, Zürich, Switzerland
| | - Michael Detmar
- Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology (ETH) Zürich, Vladimir-Prelog-Weg 1-5/10, CH-8093, Zürich, Switzerland
| | - Katrin Frauenknecht
- Institute of Neuropathology, University of Zürich and University Hospital Zürich, Schmelzbergstrasse 12, CH-8091, Zürich, Switzerland
| | - Adriano Aguzzi
- Institute of Neuropathology, University of Zürich and University Hospital Zürich, Schmelzbergstrasse 12, CH-8091, Zürich, Switzerland
| | - Jed Lee Hubbs
- Laboratory of Organic Chemistry, Swiss Federal Institute of Technology (ETH) Zürich, Vladimir-Prelog-Weg 1-5/10, CH-8093, Zürich, Switzerland
| | - Uwe Rudolph
- Laboratory of Genetic Neuropharmacology, McLean Hospital, 115 Mill Street, Belmont, MA, 02478, USA.,Department of Psychiatry, Harvard Medical School, 401 Park Drive, Boston, MA, 02215, USA
| | - Claude Favrot
- Dermatology Department, Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, Winterthurerstrasse 260, CH-8057, Zürich, Switzerland
| | - Hanns Ulrich Zeilhofer
- Institute of Pharmacology and Toxicology, University of Zürich, Winterthurerstrasse 190, CH-8057, Zürich, Switzerland. .,Neuroscience Center Zürich, Winterthurerstrasse 190, CH-8057, Zürich, Switzerland. .,Drug Discovery Network Zürich (DDNZ), Winterthurerstrasse 190, CH-8057, Zürich, Switzerland. .,Institute of Pharmaceutical Sciences, Swiss Federal Institute of Technology (ETH) Zürich, Vladimir-Prelog-Weg 1-5/10, CH-8093, Zürich, Switzerland.
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Yamada Y, Ueda Y, Nakamura A, Kanayama S, Tamura R, Hashimoto K, Matsumoto T, Ishii R. Immediate-type allergic and protease-mediated reactions are involved in scratching behaviour induced by topical application of Dermatophagoides farinae
extract in NC/Nga mice. Exp Dermatol 2017; 27:418-426. [DOI: 10.1111/exd.13322] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/09/2017] [Indexed: 12/25/2022]
Affiliation(s)
- Yoshihito Yamada
- Drug Development Research Laboratories; Kyoto R&D Center; Maruho Co., Ltd.; Kyoto Japan
| | - Yuhki Ueda
- Drug Development Research Laboratories; Kyoto R&D Center; Maruho Co., Ltd.; Kyoto Japan
| | - Aki Nakamura
- Drug Development Research Laboratories; Kyoto R&D Center; Maruho Co., Ltd.; Kyoto Japan
| | - Shoji Kanayama
- Drug Development Research Laboratories; Kyoto R&D Center; Maruho Co., Ltd.; Kyoto Japan
| | - Rie Tamura
- Drug Development Research Laboratories; Kyoto R&D Center; Maruho Co., Ltd.; Kyoto Japan
| | - Kei Hashimoto
- Drug Development Research Laboratories; Kyoto R&D Center; Maruho Co., Ltd.; Kyoto Japan
| | - Tatsumi Matsumoto
- Drug Development Research Laboratories; Kyoto R&D Center; Maruho Co., Ltd.; Kyoto Japan
| | - Ritsuko Ishii
- Strategic Research Planning & Management Department; Kyoto R&D Center; Maruho Co., Ltd.; Kyoto Japan
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