1
|
Zhang X, Wang H, Zhang W, Lv H, Lin X. Study on the purification mechanism for ammonia nitrogen in micro-polluted rivers by herbaceous plant - Rumex japonicus Houtt. CHEMOSPHERE 2024; 358:142154. [PMID: 38679183 DOI: 10.1016/j.chemosphere.2024.142154] [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: 01/04/2024] [Revised: 04/20/2024] [Accepted: 04/24/2024] [Indexed: 05/01/2024]
Abstract
Water eutrophication caused by nitrogen pollution is an urgent global issue that requires attention. The Qingyi River is a typical micro-polluted river in China. In this study, we took this river as the research object to investigate the nitrogen pollution purification capacity of a herbaceous plant, Rumex japonicus Houtt. (RJH). Compared to nitrate nitrogen (NO3--N) and nitrite nitrogen (NO2--N), RJH showed better purification performance on total nitrogen (TN), total phosphorus (TP) and ammonia nitrogen (NH4+-N), with a highest removal rate of 37.22%, 52.13%, and 100%, respectively. RJH could completely remove ammonia nitrogen and exhibit excellent resistance to pollutant interference when the initial concentration of ammonia nitrogen in the cultivation devices increased from 1 mg/L to 10 mg/L or in the actual river. This indicated the great application potential of RJH in ammonia nitrogen removal from natural micro-polluted rivers. In addition, combined effects of nitrification of roots, absorption of self-growth, stripping, and others contributed to nitrogen removal by RJH. Particularly, the nitrification of roots played a dominant role, accounting for 73.85% ± 8.79%. High-throughput sequencing results indicate that nitrifying bacteria accounted for over 75% of all bacterial species in RJH. Furthermore, RJH showed good growth status and strong adaptability. The correlation coefficients of its relative growth rate with chlorophyll A and the degradation rate of absorption were 0.9677 and 0.9594, respectively. Our research demonstrates that RJH is one of the excellent varieties for ammonia removal. This provides a very promising and sustainable method for purifying micro-polluted rivers.
Collapse
Affiliation(s)
- Xiangyang Zhang
- School of Water Conservancy and Transportation, Zhengzhou University, Henan, 450001, China
| | - Huiliang Wang
- School of Water Conservancy and Transportation, Zhengzhou University, Henan, 450001, China
| | - Wei Zhang
- School of Ecology and Environment, Zhengzhou University, Henan, 450001, China
| | - Hong Lv
- Yellow River Engineering Consulting Co., Ltd., Zhengzhou, 450003, China
| | - Xiaoying Lin
- School of Water Conservancy and Transportation, Zhengzhou University, Henan, 450001, China.
| |
Collapse
|
2
|
Zhao H, Ma X, Song J, Jiang J, Fei X, Luo Y, Ru Y, Luo Y, Gao C, Kuai L, Li B. From gut to skin: exploring the potential of natural products targeting microorganisms for atopic dermatitis treatment. Food Funct 2023; 14:7825-7852. [PMID: 37599562 DOI: 10.1039/d3fo02455e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
Atopic dermatitis (AD) is the most common chronic inflammatory skin disease. Recent studies have revealed that interactions between pathogenic microorganisms, which have a tendency to parasitize the skin of AD patients, play a significant role in the progression of the disease. Furthermore, specific species of commensal bacteria in the human intestinal tract can have a profound impact on the immune system by promoting inflammation and pruritogenesis in AD, while also regulating adaptive immunity. Natural products (NPs) have emerged as promising agents for the treatment of various diseases. Consequently, there is growing interest in utilizing natural products as a novel therapeutic approach for managing AD, with a focus on modulating both skin and gut microbiota. In this review, we discuss the mechanisms and interplay between the skin and gut microbiota in relation to AD. Additionally, we provide a comprehensive overview of recent clinical and fundamental research on NPs targeting the skin and gut microbiota for AD treatment. We anticipate that our work will contribute to the future development of NPs and facilitate research on microbial mechanisms, based on the efficacy of NPs in treating AD.
Collapse
Affiliation(s)
- Hang Zhao
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Xin Ma
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200443, China
| | - Jiankun Song
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200443, China
| | - Jingsi Jiang
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200443, China
| | - Xiaoya Fei
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200443, China
| | - Yue Luo
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200443, China
| | - Yi Ru
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Ying Luo
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Chunjie Gao
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200443, China
| | - Le Kuai
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 200437, China
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 201203, China
| | - Bin Li
- Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai, 200443, China
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai, 201203, China
| |
Collapse
|
3
|
WU Z, AMEER K, JIANG G. Isolation and characterization of anti-tumor compounds from ethyl acetate extract of Rumex japonicus houtt roots and their cytotoxic effects. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.05421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
4
|
Gilhar A, Reich K, Keren A, Kabashima K, Steinhoff M, Paus R. Mouse models of atopic dermatitis: a critical reappraisal. Exp Dermatol 2021; 30:319-336. [PMID: 33368555 DOI: 10.1111/exd.14270] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 12/17/2020] [Accepted: 12/17/2020] [Indexed: 12/13/2022]
Abstract
Mouse models for atopic dermatitis (AD) are an indispensable preclinical research tool for testing new candidate AD therapeutics and for interrogating AD pathobiology in vivo. In this Viewpoint, we delineate why, unfortunately, none of the currently available so-called "AD" mouse models satisfactorily reflect the clinical complexity of human AD, but imitate more "allergic" or "irriant" contact dermatitis conditions. This limits the predictive value of AD models for clinical outcomes of new tested candidate AD therapeutics and the instructiveness of mouse models for human AD pathophysiology research. Here, we propose to initiate a rational debate on the minimal criteria that a mouse model should meet in order to be considered relevant for human AD. We suggest that valid AD models should at least meet the following criteria: (a) an AD-like epidermal barrier defect with reduced filaggrin expression along with hyperproliferation, hyperplasia; (b) increased epidermal expression of thymic stromal lymphopoietin (TSLP), periostin and/or chemokines such as TARC (CCL17); (c) a characteristic dermal immune cell infiltrate with overexpression of some key cytokines such as IL-4, IL-13, IL-31 and IL-33; (d) distinctive "neurodermatitis" features (sensory skin hyperinnervation, defective beta-adrenergic signalling, neurogenic skin inflammation and triggering or aggravation of AD-like skin lesions by perceived stress); and (e) response of experimentally induced skin lesions to standard AD therapy. Finally, we delineate why humanized AD mouse models (human skin xenotransplants on SCID mice) offer a particularly promising preclinical research alternative to the currently available "AD" mouse models.
Collapse
Affiliation(s)
- Amos Gilhar
- Skin Research Laboratory, Rappaport Faculty of Medicine, Technion -Israel Institute of Technology, Haifa, Israel.,Rambam Health Care Campus, Haifa, Israel
| | - Kristian Reich
- Centre for Translational Research in Inflammatory Skin Diseases, Institute for Health Services Research in Dermatology and Nursing, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.,Skinflammation Center, Hamburg, Germany
| | - Aviad Keren
- Skin Research Laboratory, Rappaport Faculty of Medicine, Technion -Israel Institute of Technology, Haifa, Israel
| | - Kenji Kabashima
- Department of Dermatology, Kyoto University Graduate School of Medicine, Kyoto, Japan.,Singapore Immunology Network (SIgN) and Institute of Medical Biology, Agency for Science, Technology and Research (A*STAR), Biopolis, Singapore, Singapore
| | - Martin Steinhoff
- Department of Dermatology and Venereology, Hamad Medical Corporation, Qatar University, Doha, Qatar.,School of Medicine, Weill Cornell University-Qatar and Qatar University, Doha, Qatar
| | - Ralf Paus
- Dr. Phillip Frost, Department of Dermatology & Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, FL, USA.,Dermatology Research Centre, University of Manchester and NIHR Manchester Biomedical Research Centre, Manchester, UK.,Monasterium Laboratory, Münster, Germany
| |
Collapse
|
5
|
Natural Compound Mixture, Containing Emodin, Genipin, Chlorogenic Acid, Cimigenoside, and Ginsenoside Rb1, Ameliorates Psoriasis-Like Skin Lesions by Suppressing Inflammation and Proliferation in Keratinocytes. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:9416962. [PMID: 33149756 PMCID: PMC7603578 DOI: 10.1155/2020/9416962] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/16/2020] [Accepted: 10/07/2020] [Indexed: 01/13/2023]
Abstract
Herbal combinations of Rhei Radix et Rhizoma, Gardeniae Fructus, Cimicifugae Rhizoma, and Ginseng Radix have been used in traditional formulas to treat the symptoms of heat and dryness. This study investigated the therapeutic effects of a natural compound mixture (PSM) of these herbal combinations, containing emodin, genipin, chlorogenic acid, cimigenoside, and ginsenoside Rb1, for the treatment of psoriasis and its underlying molecular mechanisms. PSM was applied topically to the dorsal skin lesions of imiquimod- (IMQ-) induced C57BL/6 mice, and the expression of the proinflammatory mediators was investigated. The topical application of 1% PSM reduced psoriasis-like symptoms in IMQ-induced C57BL/6 mice significantly. PSM also attenuated the production of IFN-γ, IL-1β, and IL-6 in skin lesions. Histological analysis showed that PSM had antipsoriatic effects by reducing the lesional epidermal thickness. Either M5 (IL-1α, IL-17A, IL-22, oncostatin M, and TNF-α, 10 ng/ml each) or IL-22- (100 ng/ml) stimulated HaCaT cells were used to examine the efficacy and underlying mechanism of PSM. In M5-stimulated HaCaT cells, PSM inhibited the production of C-X-C motif chemokine ligand (CXCL) 10 and C-C motif chemokine ligand (CCL) 20 effectively. Moreover, compared to the use of a single compound, it had synergistic inhibitory effects in CXCL8 production. PSM suppressed the phosphorylation of ERK1/2, p38, and STAT3 signaling pathways in M5-stimulated HaCaT cells. Furthermore, PSM reduced the proliferation rate and K16 and K17 expressions in IL-22-stimulated HaCaT cells by inhibiting the Akt/mTOR signaling pathway. These results suggest that PSM may have a therapeutic potential in the treatment of psoriasis lesions.
Collapse
|
6
|
Raman G, Cho SJ, Park S. The complete plastome sequence of Rumex japonicus Houtt.: a medicinal plant. Mitochondrial DNA B Resour 2020; 5:439-440. [PMID: 33366591 PMCID: PMC7748881 DOI: 10.1080/23802359.2019.1704194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Rumex japonicus is a medicinal plant distributed in East Asia. Here, we report and characterize the complete plastid genome sequence of R. japonicus and size is 159,292 bp in length and contains the typical structure and gene content of other angiosperm plastomes, including two inverted repeat regions of 30,629 bp, a large single-copy region of 85,028 bp and a small single-copy region of 13,006 bp. There are 112 unique genes, including 78 protein-coding, 30 tRNAs and 4 rRNAs. We constructed a phylogenetic tree with 14 species and the phylogenetic topologies showed that R. japonicus was closely related to Rheum wittrockii.
Collapse
Affiliation(s)
- Gurusamy Raman
- Department of Life Sciences, Yeungnam University, Gyeongsan, Republic of Korea
| | - Soung Jae Cho
- Korea Environment Assessment Group, Uiwang-si, Republic of Korea
| | - SeonJoo Park
- Department of Life Sciences, Yeungnam University, Gyeongsan, Republic of Korea
| |
Collapse
|
7
|
Sun Y, Lenon GB, Yang AWH. Rumex japonicus Houtt.: A phytochemical, pharmacological, and pharmacokinetic review. Phytother Res 2019; 34:1198-1215. [PMID: 31849133 DOI: 10.1002/ptr.6601] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 12/03/2019] [Accepted: 12/03/2019] [Indexed: 12/22/2022]
Abstract
Rumex japonicus Houtt. (RJH-Yang Ti) RJH has been used as a folk medicine in East Asian countries for thousands of years. It has a wide range of therapeutic effects in terms of anti-microorganic, anti-oxidant, anti-inflammatory, and antitumor effects. Therefore, it is urgent to thoroughly review the existing knowledge for this herb from phytochemical, pharmacological, and pharmacokinetic perspectives. "Yang Ti" and its English, botanical and pharmaceutical names used as keywords to perform database search which included the Encyclopaedia of traditional Chinese Medicines, PubMed, EMBASE, AMED, CINAHL, Cochrane Library, MEDLINE, Science Direct, Scopus, Web of Science, and China Network Knowledge Infrastructure. Forty-five compounds identified from RJH. Besides, the therapeutic effects of RJH have been summarized as well. The root of RJH contains derivatives of anthraquinones, phytosterols, nepodin, oxanthrone c-glycosides, phenolic acid, cinnamic acid, flavonoid, epoxynaphthoquinol, triterpenoids, methoxynaphthalene, trihydroxybenzene, anthracene-9,10-dione, and other compounds. The extract of RJH and its chemical compounds showed the potentials as a complementary agent to exert antioxidant, antimicrobial, antisepsis, anticancer, anti-haematological disease, anti-dermatological disease, and antidiabetic activities. For the record, there is no study conducted on RJH regarding its pharmacokinetic aspect. Notably, Emodin may require additional attention due to its multiple organ toxicity concerns.
Collapse
Affiliation(s)
- Yue Sun
- School of Health and Biomedical Sciences, RMIT University, Melbourne, Victoria, Australia
| | - George B Lenon
- School of Health and Biomedical Sciences, RMIT University, Melbourne, Victoria, Australia
| | - Angela W H Yang
- School of Health and Biomedical Sciences, RMIT University, Melbourne, Victoria, Australia
| |
Collapse
|
8
|
Yang HR, Lee H, Kim JH, Hong IH, Hwang DH, Rho IR, Kim GS, Kim E, Kang C. Therapeutic Effect of Rumex japonicus Houtt. on DNCB-Induced Atopic Dermatitis-Like Skin Lesions in Balb/c Mice and Human Keratinocyte HaCaT Cells. Nutrients 2019; 11:nu11030573. [PMID: 30866501 PMCID: PMC6470878 DOI: 10.3390/nu11030573] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 02/20/2019] [Accepted: 03/04/2019] [Indexed: 12/13/2022] Open
Abstract
Rumex japonicus Houtt. (RJ) is traditionally used in folk medicines to treat patients suffering from skin disease in Korea and other parts of East Asia. However, the beneficial effect of RJ extract on atopic dermatitis (AD) has not been thoroughly examined. Therefore, this study aimed to investigate the anti-inflammatory effects of RJ on AD in vitro and in vivo. Treatment with RJ inhibited the phosphorylation of mitogen-activated protein kinase (MAPK) as well as the activation of nuclear factor-kappa B (NF-κB) in tumor necrosis factor-α (TNF-α) stimulated in HaCaT cells. The five-week-old Balb/c mice were used as an AD-like mouse model by treating them with 1-chloro-2, 4-dinitrobenzene (DNCB). Topical administration of RJ to DNCB-treated mice significantly reduced clinical dermatitis severity, epidermal thickness, and decreased mast cell and eosinophil infiltration into skin and ear tissue. These results suggest that RJ inhibits the development of AD-like skin lesions by regulating the skin inflammation responses in HaCaT cells and Balb/c mice. Thus, RJ may be a potential therapeutic agent for AD.
Collapse
Affiliation(s)
- Hye Ryeon Yang
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea.
| | - Hyunkyoung Lee
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea.
| | - Jong-Hyun Kim
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea.
- Institutes of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea.
| | - Il-Hwa Hong
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea.
- Institutes of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea.
| | - Du Hyeon Hwang
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea.
| | - Il Rae Rho
- Institutes of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Korea.
| | - Gon Sup Kim
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea.
| | - Euikyung Kim
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea.
- Institutes of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea.
| | - Changkeun Kang
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Korea.
- Institutes of Animal Medicine, Gyeongsang National University, Jinju 52828, Korea.
| |
Collapse
|
9
|
Kalailingam P, Tan HB, Jain N, Sng MK, Chan JSK, Tan NS, Thanabalu T. Conditional knock out of N-WASP in keratinocytes causes skin barrier defects and atopic dermatitis-like inflammation. Sci Rep 2017; 7:7311. [PMID: 28779153 PMCID: PMC5544743 DOI: 10.1038/s41598-017-07125-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 06/22/2017] [Indexed: 01/11/2023] Open
Abstract
Neural-Wiskott Aldrich Syndrome Protein (N-WASP) is expressed ubiquitously and regulates actin cytoskeleton remodeling. In order to characterize the role of N-WASP in epidermal homeostasis and cutaneous biology, we generated conditional N-WASP knockout mouse using CK14-cre (cytokeratin 14) to ablate expression of N-WASP in keratinocytes. N-WASPK14KO (N-WASPfl/fl; CK14-Cre) mice were born following Mendelian genetics suggesting that N-WASP expression in keratinocytes is not essential during embryogenesis. N-WASPK14KO mice exhibited stunted growth, alopecia, dry and wrinkled skin. The dry skin in N-WASPK14KO mice is probably due to increased transepidermal water loss (TEWL) caused by barrier function defects as revealed by dye penetration assay. N-WASPK14KO mice developed spontaneous inflammation in the neck and face 10 weeks after birth. Histological staining revealed thickening of the epidermis, abnormal cornified layer and extensive infiltration of immune cells (mast cells, eosinophils and T-lymphocytes) in N-WASPK14KO mice skin compared to control mice. N-WASPK14KO mice had higher serum levels of IL-1α, TNF-α, IL-6 and IL-17 compared to control mice. Thus our results suggest that conditional N-WASP knockout in keratinocytes leads to compromised skin barrier, higher infiltration of immune cells and hyperproliferation of keratinocytes due to increased production of cytokines highlighting the importance of N-WASP in maintaining the skin homeostasis.
Collapse
Affiliation(s)
- Pazhanichamy Kalailingam
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore, 637551, Republic of Singapore
| | - Hui Bing Tan
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore, 637551, Republic of Singapore
| | - Neeraj Jain
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore, 637551, Republic of Singapore
| | - Ming Keat Sng
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore, 637551, Republic of Singapore.,Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Avenue, Singapore, 636921, Republic of Singapore
| | - Jeremy Soon Kiat Chan
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore, 637551, Republic of Singapore
| | - Nguan Soon Tan
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore, 637551, Republic of Singapore.,Lee Kong Chian School of Medicine, Nanyang Technological University, 59 Nanyang Avenue, Singapore, 636921, Republic of Singapore.,Institute of Molecular and Cell Biology, 61 Biopolis Drive, Singapore, 138673, Republic of Singapore.,KK Women's and Children's Hospital, 100 Bukit Timah Road, Singapore, 229899, Republic of Singapore
| | - Thirumaran Thanabalu
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore, 637551, Republic of Singapore.
| |
Collapse
|
10
|
Santoro D, Ahrens K, Vesny R, Navarro C, Gatto H, Marsella R. Evaluation of the in vitro effect of Boldo and Meadowsweet plant extracts on the expression of antimicrobial peptides and inflammatory markers in canine keratinocytes. Res Vet Sci 2017; 115:255-262. [PMID: 28549300 DOI: 10.1016/j.rvsc.2017.05.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 05/12/2017] [Accepted: 05/14/2017] [Indexed: 01/09/2023]
Abstract
Dogs with allergies are prone to skin infections and treatments/preventatives to boost innate immune-defenses are beneficial. The aim of this study was to evaluate the effects of Boldo and Meadowsweet extracts on the expression of β-defensins (cBD), cathelicidin (cCath), and pro-inflammatory cytokines in canine keratinocyte. This study had two phases. Phase I evaluated mRNA expression of cBD103 and cCath, and secretion of cCath, IL-8 and TNF-α by keratinocytes harvested from healthy (n=5) and atopic (n=5) age-matched beagles exposed to Boldo (2% to 0.2%) and Meadowsweet (1% to 0.2%) extracts. Phase II focused on atopic keratinocytes (n=14) exposed to 0.2% Boldo, 0.2% Meadowsweet, and a mixture of 0.1% of both extracts. Phase I: cBD103 mRNA (all concentrations) and TNF-α secretion (2% Boldo) were increased in atopic compared with healthy keratinocytes. In atopic keratinocytes, cBD103 was increased after exposure to 1.5% and 0.2% Boldo. In healthy keratinocytes, 1% and 0.2% Meadowsweet, and 2% Boldo increased and decreased IL-8 secretion, respectively. In atopic keratinocytes, IL-8 increased after exposure to 1% and 0.4% Meadowsweet extract. Phase II: cBD103 mRNA increased after exposure to 0.2% Meadowsweet and to 0.1% mixture. cCath was increased after 0.2% Boldo, but decreased after 0.2% Meadowsweet or the 0.1% mixture. TNF-α secretion was decreased after 0.2% Boldo. It is concluded that low concentrations of both extracts and their combination may have some effects on cCath and cBD103 without stimulating an inflammatory response. However, more studies are needed to clarify the effects of these extracts on the local immunity.
Collapse
Affiliation(s)
- Domenico Santoro
- Department of Small Animal Clinical Sciences, University of Florida, Gainesville, FL, USA.
| | - Kim Ahrens
- Department of Small Animal Clinical Sciences, University of Florida, Gainesville, FL, USA
| | - Ryan Vesny
- Department of Small Animal Clinical Sciences, University of Florida, Gainesville, FL, USA
| | | | - Hugues Gatto
- Unlicensed Products Development Unit, Virbac, Carros, France
| | - Rosanna Marsella
- Department of Small Animal Clinical Sciences, University of Florida, Gainesville, FL, USA
| |
Collapse
|
11
|
Choi YY, Kim MH, Ahn KS, Um JY, Lee SG, Yang WM. Immunomodulatory effects of Pseudostellaria heterophylla (Miquel) Pax on regulation of Th1/Th2 levels in mice with atopic dermatitis. Mol Med Rep 2016; 15:649-656. [PMID: 28035398 PMCID: PMC5364855 DOI: 10.3892/mmr.2016.6093] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Accepted: 11/17/2016] [Indexed: 02/07/2023] Open
Abstract
Pseudostellaria heterophylla (PH) has various pharmacological effects that include immunologic enhancement and anti-oxidation. However, it remains unclear whether PH exerts beneficial effects in dermatological diseases. The present study examined the effects of PH on a 2,4-dinitrochlorobenzene (DNCB)-induced atopic dermatitis (AD) mouse model and elucidated its underlying mechanism of action. PH extract (1 and 100 mg/ml) was applied topically to DNCB-treated dorsal skin of mice every day for 11 days. The immunomodulatory effects of PH were evaluated by measuring skin thickness, mast cell infiltration, serum levels of immunoglobulin E (IgE), and mRNA expression levels of T helper (h)1/Th2 and pro-inflammatory cytokines in dorsal skin. In addition, cluster of differentiation (CD)4+ T cells were detected in dorsal skin by immunohistochemistry. Topical application of PH significantly reduced the thickness of dermis, epidermis and serum IgE production compared with the DNCB group. PH treatment inhibited infiltration of inflammatory cells, including mast cells and CD4+ T cells, and suppressed the mRNA expression levels of cytokines (interferon-γ, interleukin-4, −6, −8 and −1β, and tumor necrosis factor-α) associated with the immune response. Furthermore, PH treatment significantly downregulated the protein expression levels of nuclear factor-κB, phosphorylated inhibitor of κBα and mitogen-activated protein kinases. The results suggested that PH may be a potential therapeutic strategy for the treatment of AD via the modulation of Th1 and Th2 levels.
Collapse
Affiliation(s)
- You Yeon Choi
- Department of Convergence Korean Medical Science, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Mi Hye Kim
- Department of Convergence Korean Medical Science, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Kwang Seok Ahn
- Department of Korean Pathology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jae-Young Um
- Department of Korean Pharmacology, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Seok-Geun Lee
- Cancer Preventive Material Development Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Woong Mo Yang
- Department of Convergence Korean Medical Science, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| |
Collapse
|
12
|
The Hair Growth-Promoting Effect of Rumex japonicus Houtt. Extract. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2016; 2016:1873746. [PMID: 27974900 PMCID: PMC5128716 DOI: 10.1155/2016/1873746] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 10/04/2016] [Accepted: 10/25/2016] [Indexed: 01/09/2023]
Abstract
Rumex japonicus Houtt. is traditionally used as a medicinal plant to treat patients suffering from skin disease in Korea. However, the beneficial effect of Rumex japonicus Houtt. on hair growth has not been thoroughly examined. Therefore, the present study aims to investigate the hair growth-promoting effect of Rumex japonicus (RJ) Houtt. root extract using human dermal papilla cells (DPCs), HaCaT cells, and C57BL/6 mice model. RJ induced antiapoptotic and proliferative effects on DPCs and HaCaT cells by increasing Bcl-2/Bax ratio and activating cellular proliferation-related proteins, ERK and Akt. RJ also increased β-catenin via the inhibition of GSK-3β. In C57BL/6 mice model, RJ promoted the anagen induction and maintained its period. Immunohistochemistry analysis demonstrated that RJ upregulated Ki-67 and β-catenin expressions, suggesting that the hair growth effect of RJ may be mediated through the reinforcement of hair cell proliferation. These results provided important insights for the possible mechanism of action of RJ and its potential as therapeutic agent to promote hair growth.
Collapse
|
13
|
Shin JH, Chung MJ, Seo JG. A multistrain probiotic formulation attenuates skin symptoms of atopic dermatitis in a mouse model through the generation of CD4 +Foxp3 + T cells. Food Nutr Res 2016; 60:32550. [PMID: 27802847 PMCID: PMC5090133 DOI: 10.3402/fnr.v60.32550] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Revised: 08/09/2016] [Accepted: 09/01/2016] [Indexed: 01/16/2023] Open
Abstract
BACKGROUND Atopic dermatitis (AD) is characterized by chronic inflammation of the skin. AD develops mainly in infants and young children. It induces skin disorders and signals the initiation of the allergic march including allergic asthma and rhinitis. Probiotics modify intestinal microbial populations in a beneficial way for human and animal hosts by reducing inflammatory cytokines. OBJECTIVE As a result of their immunomodulatory properties, probiotics have been considered a promising therapeutic option for the prevention and treatment of AD. DESIGN In this study, we examined the effects of GI7, a potential probiotic mixture consisting of seven strains of bifidobacteria and lactic acid bacteria, on AD in a mouse model. RESULTS Administration of GI7 for 8 weeks reduced AD-like skin lesions and induced changes in the levels of serum markers such as immunoglobulin E and cytokines related to T helper (Th)1 and Th2 cells, and in skin barrier genes. Alleviation of AD seems to be associated with GI7-induced generation of CD4+Foxp3+ regulatory T cells. CONCLUSIONS The probiotic mixture may have potential to improve symptoms of AD.
Collapse
Affiliation(s)
- Joo-Hyun Shin
- R&D Center, Cell Biotech Co., Ltd., Gyeonggi-do, Republic of Korea
| | - Myung-Jun Chung
- R&D Center, Cell Biotech Co., Ltd., Gyeonggi-do, Republic of Korea
| | - Jae-Gu Seo
- R&D Center, Cell Biotech Co., Ltd., Gyeonggi-do, Republic of Korea;
| |
Collapse
|
14
|
Herbal Medicines Prevent the Development of Atopic Dermatitis by Multiple Mechanisms. Chin J Integr Med 2016; 25:151-160. [PMID: 26740223 DOI: 10.1007/s11655-015-2438-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/30/2015] [Indexed: 12/22/2022]
Abstract
Atopic dermatitis (AD) is among the most common skin disorders in humans. Although a variety of regimens are available for the treatment of AD, preventive approaches are limited. Recent studies have demonstrated that certain naturally-occurring herbal medicines are effective in preventing the development of AD via divergent mechanisms, such as inhibiting cytokine and chemokine expression, IgE production, inflammatory cell infiltration, histamine release, and/or enhancement of epidermal permeability barrier function. Yet, they exhibit few adverse effects. Since herbal medicines are widely available, inexpensive and generally safe, they could represent an ideal approach for preventing the development of AD, in both highly developed and developing countries.
Collapse
|
15
|
Vasas A, Orbán-Gyapai O, Hohmann J. The Genus Rumex: Review of traditional uses, phytochemistry and pharmacology. JOURNAL OF ETHNOPHARMACOLOGY 2015; 175:198-228. [PMID: 26384001 DOI: 10.1016/j.jep.2015.09.001] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2015] [Revised: 09/02/2015] [Accepted: 09/03/2015] [Indexed: 05/21/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The approximately 200 species of the genus Rumex (sorrel, Polygonaceae) are distributed worldwide (European, Asian, African and American countries). Some species have been used traditionally as vegetables and for their medicinal properties. Based on the traditional knowledge, different phytochemical and pharmacological activities have been at the focus of research. This review aims to provide an overview of the current state of knowledge of local and traditional medical uses, chemical constituents, pharmacological activities, toxicity, and safety of Rumex species, in order to identify the therapeutic potential of Rumex species and further directions of research. MATERIALS AND METHODS The selection of relevant data was made through a search using the keyword "Rumex" in "Scopus", "Google Scholar", "Web of Science", "PubMed", and "ScienceDirect" databases. Plant taxonomy was validated by the databases "The Plant List", and "Mansfeld's Encyclopedia". Additional information on traditional use and botany was obtained from published books and MSc dissertations. RESULTS This review discusses the current knowledge of the chemistry, the in vitro and in vivo pharmacological studies carried out on the extracts, and the main active constituents, isolated from plants of genus Rumex. Although, there are about 200 species in this genus, most of the phytochemical and pharmacological studies were performed on up to 50 species. The aerial parts, leaves and roots of the plants are used as vegetables and for the treatment of several health disorders such as mild diabetes, constipation, infections, diarrhoea, oedema, jaundice, and as an antihypertensive, diuretic and analgesic and in case of skin, liver and gallbladder disorders, and inflammation. Many phytochemical investigations on this genus confirmed that Rumex species are rich in anthraquinones, naphthalenes, flavonoids, stilbenoids, triterpenes, carotenoids, and phenolic acids. Moreover, it draws the attention that high level of oxalic acid in some species can cause toxicity (kidney stones) if consumed large quantity. CONCLUSIONS This review confirms that some Rumex species have emerged as a good source of the traditional medicine for treatment of inflammation, cancer and different bacterial infections and provides new insights for further promising investigations on isolated compounds, especially quercetin 3-O-glucoside, emodin, nepodin, torachrysone, and trans-resveratrol to find novel therapeutics and aid drug discovery. In addition, hepatoprotective, antiviral and antidiabetic activities should have priority in future pharmacological studies. However, for applying species to prevent or treat various diseases, additional pharmacological studies are needed to find the mechanism of actions, safety and efficacy of them before starting clinical trials.
Collapse
Affiliation(s)
- Andrea Vasas
- Department of Pharmacognosy, University of Szeged, H-6720 Szeged, Eötvös u. 6, Hungary
| | - Orsolya Orbán-Gyapai
- Department of Pharmacognosy, University of Szeged, H-6720 Szeged, Eötvös u. 6, Hungary
| | - Judit Hohmann
- Department of Pharmacognosy, University of Szeged, H-6720 Szeged, Eötvös u. 6, Hungary.
| |
Collapse
|
16
|
Kim MS, Kim JE, Yoon YS, Kim TH, Seo JG, Chung MJ, Yum DY. Improvement of atopic dermatitis-like skin lesions by IL-4 inhibition of P14 protein isolated from Lactobacillus casei in NC/Nga mice. Appl Microbiol Biotechnol 2015; 99:7089-99. [PMID: 25687448 DOI: 10.1007/s00253-015-6455-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Revised: 01/29/2015] [Accepted: 02/01/2015] [Indexed: 11/29/2022]
Abstract
Atopic dermatitis (AD) is a chronic inflammatory skin disease, with a complex etiology encompassing immunologic responses. AD is frequently associated with elevated serum immunoglobulin (Ig) E levels and is exacerbated by a variety of environmental factors, which contribute to its pathogenesis. However, the etiology of AD remains unknown. Recently, reports have documented the role of lactic acid bacteria (LAB) in the treatment and prevention of AD in humans and mice. The LAB, Lactobacillus casei (LC), is frequently used in the treatment of AD. To identify the active component of LC, we screened fractions obtained from the ion exchange chromatography of LC extracts. Using this approach, we identified the candidate protein, P14. We examined whether the P14 protein has anti-atopic properties, using both in vitro and in vivo models. Our results showed that the P14 protein selectively downregulated serum IgE and interleukin-4 cytokine levels, as well as the AD index and scratching score in AD-like NC/Nga mice. In addition, histological examination was also effective in mice. These results suggest that the P14 protein has potential therapeutic effects and that it may also serve as an effective immunomodulatory agent for treating patients with AD.
Collapse
Affiliation(s)
- Min-Soo Kim
- R&D Center, Cell Biotech, Co., Ltd, 134 Gaegok-Ri Wolgot-Myeon, Gimpo-Si, Gyeonggi-Do, 415-872, Korea
| | | | | | | | | | | | | |
Collapse
|
17
|
Hussain Z, Katas H, Mohd Amin MCI, Kumolosasi E. Efficient immuno-modulation of TH1/TH2 biomarkers in 2,4-dinitrofluorobenzene-induced atopic dermatitis: nanocarrier-mediated transcutaneous co-delivery of anti-inflammatory and antioxidant drugs. PLoS One 2014; 9:e113143. [PMID: 25396426 PMCID: PMC4232601 DOI: 10.1371/journal.pone.0113143] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2014] [Accepted: 10/23/2014] [Indexed: 11/21/2022] Open
Abstract
The present study was conducted with the aim to investigate the immuno-modulatory and histological stabilization effects of nanocarrier-based transcutaneous co-delivery of hydrocortisone (HC) and hydroxytyrosol (HT). In this investigation, the clinical and pharmacological efficacies of nanoparticle (NP)-based formulation to alleviate 2,4-dinitrofluorobenzene (DNFB)-induced atopic dermatitis (AD) was explored by using an NC/Nga mouse model. Ex vivo visual examination of AD induction in experimental mice indicated remarkable control of NP-based formulations in reducing pathological severity of AD-like skin lesions. Therapeutic effectiveness of NP-based formulations was also evaluated by comparing skin thickness of AD-induced NP-treated mice (456±27 µm) with that of atopic mice (916±37 µm). Analysis of the immuno-spectrum of AD also revealed the dominance of NP-based formulations in restraining immunoglobulin-E (IgE), histamine, prostaglandin-E2 (PGE2), vascular endothelial growth factor-α (VEGF-α), and T-helper cells (TH1/TH2) producing cytokines in serum and skin biopsies of tested mice. These anti-AD data were further supported by histological findings that revealed alleviated pathological features, including collagen fiber deposition, fibroblasts infiltration, and fragmentation of elastic fibers in experimental mice. Thus, NP-mediated transcutaneous co-delivery of HC and HT can be considered as a promising therapy for managing immunological and histological spectra associated with AD.
Collapse
Affiliation(s)
- Zahid Hussain
- Centre for Drug Delivery Research, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Haliza Katas
- Centre for Drug Delivery Research, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Mohd Cairul Iqbal Mohd Amin
- Centre for Drug Delivery Research, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Endang Kumolosasi
- Centre for Drug Delivery Research, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| |
Collapse
|
18
|
Hussain Z, Katas H, Mohd Amin MCI, Kumolosasi E, Sahudin S. Downregulation of immunological mediators in 2,4-dinitrofluorobenzene-induced atopic dermatitis-like skin lesions by hydrocortisone-loaded chitosan nanoparticles. Int J Nanomedicine 2014; 9:5143-56. [PMID: 25395851 PMCID: PMC4227626 DOI: 10.2147/ijn.s71543] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Background Atopic dermatitis is a chronic, noncontiguous, and exudative disorder accompanied by perivascular infiltration of immune mediators, including T-helper (Type 1 helper/Type 2 helper) cells, mast cells, and immunoglobulin E. The current study explores the immunomodulatory and histological effects of nanoparticle (NP)-based transcutaneous delivery of hydrocortisone (HC). Methods In this study, HC, the least potent topical glucocorticoid, was administered transcutaneously as chitosan NPs. The pharmacological and immunological effects of the NP-based HC delivery on the alleviation of 2,4-dinitrofluorobenzene-induced atopic dermatitis (AD)-like skin lesions were evaluated using the NC/Nga mouse model. Results In vivo Dino-Lite® microscopic assessment revealed that the NP-based formulation displayed a remarkable ability to reduce the severity of the pathological features of AD (dermatitis index, 3.0). The AD suppressive activity of the NP-based topical formulation was expected owing to the interruption of a series of immunopathological events, including the production of immunoglobulin E, release of histamine, and expression of prostaglandin-E2 and vascular endothelial growth factor-α in the sera and skin of the tested animals. Analysis of the cytokine expression in AD-like skin lesions further revealed that the NP-based formulation inhibited the pathological expression of interleukin (IL)-4, IL-5, IL-6, IL-13, IL-12p70, interferon-γ, and tumor necrosis factor-α in serum and skin homogenates of NC/Nga mice. Further, our histological findings indicated that the NP-based formulation inhibited fibroblast infiltration and fragmentation of elastic fibers, further supporting the clinical importance of these formulations in maintaining the integrity of elastic connective tissues. Conclusion The current investigation suggests that NP-mediated transcutaneous delivery of HC could be considered an effective therapeutic approach to manage dermatitis.
Collapse
Affiliation(s)
- Zahid Hussain
- Centre for Drug Delivery Research, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Haliza Katas
- Centre for Drug Delivery Research, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Mohd Cairul Iqbal Mohd Amin
- Centre for Drug Delivery Research, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Endang Kumolosasi
- Centre for Drug Delivery Research, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Shariza Sahudin
- Faculty of Pharmacy, Universiti Teknologi MARA, Puncak Alam Campus, Bandar Puncak Alam, Selangor, Malaysia
| |
Collapse
|
19
|
Shim EH, Choung SY. Inhibitory effects of Solanum tuberosum L. var. vitelotte extract on 2,4-dinitrochlorobenzene-induced atopic dermatitis in mice. ACTA ACUST UNITED AC 2014; 66:1303-16. [PMID: 24961480 DOI: 10.1111/jphp.12254] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2013] [Accepted: 03/02/2014] [Indexed: 12/26/2022]
Abstract
OBJECTIVES We aimed to investigate the inhibitory efficacy of Solanum tuberosum L. var. Vitelotte (SV) extract on atopic dermatitis (AD)-like skin lesions induced by the topical application of 2,4-dinitrochlorobenzene in NC/Nga mice. METHODS SV extract was administered orally to NC/Nga mice at the dose of 75, 150 or 300 mg/kg for 4 weeks. The effectiveness of SV extract in NC/Nga mice was evaluated by measuring symptom severity, ear thickness, scratching behaviour, serum levels of IgE, IgG1 and IgG2a, T helper 1 (Th1; interferon-γ and IL-12) and Th2 cytokines (IL-4 and IL-13) in spleen, messenger RNA (mRNA) expression of inflammatory cytokines and chemokines in tissue and infiltration of inflammatory cells in tissue. KEY FINDINGS Oral administration of SV extract to NC/Nga mice resulted in the inhibition of the development of AD-like skin lesions. SV extract was attenuated AD-like skin lesion, ear thickening and scratching behaviour. SV extract also alleviated infiltrated inflammatory cells in tissue. Production of Th1 and Th2 cytokines was inhibited in splenocyte cultures. Additionally, reduced levels of IgE and IgG1/IgG2a ratio in serum and expression of AD-related mRNAs in lesional skins were observed in SV-treated mice compared with control group. CONCLUSIONS SV extract alleviated the exacerbation of AD-like skin lesions in NC/Nga mice by suppressing total serum level of IgE and correcting the Th1/Th2 balance.
Collapse
Affiliation(s)
- Eun-Hyeong Shim
- Department of Preventive Pharmacy and Toxicology, College of Pharmacy, Kyung Hee University, Seoul, Korea
| | | |
Collapse
|
20
|
Wu CT, Huang KS, Yang CH, Chen YC, Liao JW, Kuo CL, Chen CL, Lo SF, Hsieh CC, Tsay HS. Inhibitory effects of cultured Dendrobium tosaense on atopic dermatitis murine model. Int J Pharm 2014; 463:193-200. [DOI: 10.1016/j.ijpharm.2013.08.015] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2013] [Revised: 07/31/2013] [Accepted: 08/06/2013] [Indexed: 10/26/2022]
|
21
|
Tsuduki T, Kuriyama K, Nakagawa K, Miyazawa T. Tocotrienol (Unsaturated Vitamin E) Suppresses Degranulation of Mast Cells and Reduces Allergic Dermatitis in Mice. J Oleo Sci 2013; 62:825-34. [DOI: 10.5650/jos.62.825] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
|
22
|
Ngatu NR, Okajima MK, Yokogawa M, Hirota R, Takaishi M, Eitoku M, Muzembo BA, Sabah AB, Saruta T, Miyamura M, Kaneko T, Sano S, Suganuma N. Anti-allergic effects of Vernonia amygdalina leaf extracts in hapten-induced atopic dermatitis-like disease in mice. Allergol Int 2012; 61:597-607. [PMID: 22918214 DOI: 10.2332/allergolint.11-oa-0393] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Accepted: 04/13/2012] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Atopic dermatitis (AD) is a chronic inflammatory skin disease characterized by pruritic and eczematous skin lesions. In this study, AD-like disease was induced in NC/Nga mice so as to evaluate the anti-allergic effects of Vernonia amygdalina leaf extracts (VAM). METHODS Forty NC/Nga mice were purchased for each of the two protocols (prophylactic and curative) of the study. Mice were randomly divided in groups of five or six after sensitization with 5% trinitrochlorobenzene (TNCB): aqueous extracts (VAM1), methanolic extracts (VAM2), hydrocortisone (HCT), buffer for the control (TNCB) and the normal mice (NORM) groups. RESULTS As for HCT, VAM1 and VAM2-pretreated mice showed significantly lower number of scratching behavior episodes (p < 0.01; vs. TNCB) following TNCB challenge. In addition, VAM1, VAM2 exerted a significant inhibitory effect on the development of AD skin symptoms (vs. TNCB group; p < 0.001), the production of IgE, TNF-alpha (p < 0.05), IL-5 and IFN-gamma (p < 0.01) (vs. TNCB group) and on the increase in ear thickness (p < 0.05) in prophylactic protocol. In the AD curative protocol, topical VAM1, VAM2 markedly improved skin lesions such as erythema/hemorrhage (p < 0.05), scaling/dryness, erosion/excoriation (p < 0.01) (vs. TNCB mice). Furthermore, a significant decrease in ear thickness was noted in VAM1, VAM2, HCT groups (vs. TNCB group; p < 0.05) as well as the serum total IgE, MCP-1 (p < 0.01) and eotaxin (p < 0.05). VAM2 also improved chronic eczema dermatitis skin symptoms in a patient. CONCLUSIONS Results from this report suggest that VAM extracts, known as ERK pathway inhibitor, prevent and improve atopic/eczema dermatitis syndrome.
Collapse
Affiliation(s)
- Nlandu Roger Ngatu
- Department of Environmental Medicine, Kochi University Medical School, Japan
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
23
|
Mixture of Polyphenols and Anthocyanins from Vaccinium uliginosum L. Alleviates DNCB-Induced Atopic Dermatitis in NC/Nga Mice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2012; 2012:461989. [PMID: 23133493 PMCID: PMC3486628 DOI: 10.1155/2012/461989] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2012] [Accepted: 08/22/2012] [Indexed: 12/17/2022]
Abstract
Vaccinium uliginosum L. (VU) possesses various biological properties, such as antioxidant and protective effects against VU-induced skin photoaging. The purpose of this study is to evaluate the effects of oral administration of a mixture of polyphenols and anthocyanins derived from VU on 2,4-dinitrochlorobenzene- (DNCB-) induced atopic dermatitis (AD) in NC/Nga mice. We assessed anti-AD effects in NC/Nga murine model for a period of 9 weeks. Oral administration of the mixture significantly alleviated the AD-like skin symptoms and clinical signs including ear thickness and scratching behaviors. Orally administrated mixture reduced the level of IgE and IgG1, whereas it increased the level of IgG2a in a dose-dependent manner. The calculated IgG1/IgG2a ratio for each mouse revealed that the mixture derived from VU also significantly reduced the Th2/Th1 ratio, IL-4 and IL-13 (as Th2 cytokines), IFN-γ, and IL-12 (as a Th1 cytokine) in spleens. In addition, it significantly decreased gene expression, such as IL-4, IL-5, CCR3, eotaxin-1, IL- 12, IFN-γ, MCP-1, and IL-17, in AD-like lesions and suppressed Th17. Histological analyses revealed that the epidermis thickness and number of inflammatory cells were significantly reduced. In conclusion, oral administration of the mixture in the DNCB-induced AD is confirmed to improve AD disease in mice.
Collapse
|
24
|
Azuki bean (Vigna angularis) extract inhibits the development of experimentally induced atopic dermatitis-like skin lesions in NC/Nga mice. Food Chem 2012; 132:1269-1275. [DOI: 10.1016/j.foodchem.2011.11.100] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2011] [Revised: 10/18/2011] [Accepted: 11/22/2011] [Indexed: 12/14/2022]
|
25
|
Man W, Man M, Hupe M, Martin-Ezquerra G, Feingold KR, Elias PM, Man MQ. Topical herbal extract (Huangdang mixture) exhibits both preventive and therapeutic effects in murine acute irritant contact dermatitis. Int J Dermatol 2012; 50:1421-1427. [PMID: 22004502 DOI: 10.1111/j.1365-4632.2011.04970.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Contact dermatitises, including allergic contact dermatitis and irritant contact dermatitis, are among the most common skin disorders in humans. Chinese herbal medicines (CHM) have been used in treating contact dermatitises for centuries. Systemic administration of CHM, including ingredients in huangdang mixture containing Chinese angelica, radix Paeonlae rubra, cat nut, and phelloden dron, rhizoma alismatis, rhizoma smilacis glabrae, and rhizome of swordlike, improves allergic contact dermatitis induced by l-fluoro-2,4-dinitrobenzene. Whether topical applications of these herbal extracts display preventive and/or therapeutic effects on contact dermatitis, thereby avoiding the potential side effects of systemic CHM, remains largely unknown. AIMS To determine whether this topical CHM extract exerts preventive and/or therapeutic effects, we assessed its efficacy in both allergic contact dermatitis and irritant contact dermatitis murine models. MATERIALS AND METHODS Allergic contact dermatitis and irritant contact dermatitis murine models were established by topical oxazolone and a phorbol ester (12-O-tetradecanoylphorbol-13-acetate; TPA), respectively. Ear thickness was assessed in both dermatitis models. RESULTS Our results demonstrate that this topical CHM extract exhibits both therapeutic and preventive effects in acute irritant contact dermatitis but no demonstrable efficacy in murine allergic contact dermatitis. CONCLUSION These results suggest that this topical CHM extract could provide an alternative regimen for the prevention and treatment of irritant contact dermatitis.
Collapse
Affiliation(s)
- Wenyan Man
- Dermatology Service, Veterans Affairs Medical Center, and Department of Dermatology, University of California, San Francisco, CA 94121, USA
| | | | | | | | | | | | | |
Collapse
|
26
|
Seino S, Tanaka Y, Honma T, Yanaka M, Sato K, Shinohara N, Ito J, Tsuduki T, Nakagawa K, Miyazawa T, Ikeda I. Atopic dermatitis causes lipid accumulation in the liver of NC/Nga mouse. J Clin Biochem Nutr 2011; 50:152-7. [PMID: 22448097 PMCID: PMC3303478 DOI: 10.3164/jcbn.11-29] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2011] [Accepted: 05/27/2011] [Indexed: 11/22/2022] Open
Abstract
Various factors have been reported to influence lipid metabolism and cause metabolic syndrome. However, the influence of allergy on the liver that plays important role of lipid metabolism has not been clarified. The aim of this study was to examine the influence of allergy on lipid metabolism of liver. A model of atopic dermatitis was developed in the NC/Nga mouse using picryl chloride to induce allergy. Lipid metabolism parameters were measured and the mechanism of changes in these parameters was examined using DNA microarray analysis and quantitative reverse transcriptase PCR. Triacylglycerol accumulation was promoted in the liver in the mouse atopic dermatitis model despite reductions in food intake, body weight gain, and serum glucose. As this mechanism, it was thought that atopic dermatitis caused the suppression of fatty acid β-oxidation. These results suggest that atopic dermatitis causes lipid accumulation in the liver.
Collapse
Affiliation(s)
- Satoshi Seino
- Laboratory of Food and Biomolecular Science, Graduate School of Agriculture, Tohoku University, Sendai 981-8555, Japan
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
27
|
Man M, Hupe M, Mackenzie D, Kim H, Oda Y, Crumrine D, Lee SH, Martin-Ezquerra G, Trullas C, Mauro TM, Feingold KR, Elias PM, Man MQ. A topical Chinese herbal mixture improves epidermal permeability barrier function in normal murine skin. Exp Dermatol 2011; 20:285-8. [PMID: 21323748 DOI: 10.1111/j.1600-0625.2010.01205.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Chinese herbal medicine (CHM) has been shown to have beneficial effects for both skin disorders with barrier abnormality and as skin care ingredients. Yet, how CHM exerts their benefits is unclear. As most, if not all, inflammatory dermatoses are accompanied by abnormal permeability barrier function, we assessed the effects of topical CHM extracts on epidermal permeability barrier function and their potential mechanisms. Topical CHM accelerated barrier recovery following acute barrier disruption. Epidermal lipid content and mRNA expression of fatty acid and ceramide synthetic enzymes increased following topical CHM treatment in addition to mRNA levels for the epidermal glucosylceramide transport protein, ATP-binding cassette A12. Likewise, CHM extract increased mRNA expression of antimicrobial peptides both in vivo and in vitro. These results demonstrate that the topical CHM extract enhances epidermal permeability barrier function, suggesting that topical CHM could provide an alternative regimen for the prevention/treatment of inflammatory dermatoses accompanied by barrier abnormalities.
Collapse
|
28
|
Bambusae caulis in Liquamen Suppresses the Expression of Thymus and Activation-Regulated Chemokine and Macrophage-Derived Chemokine in Human Keratinocytes due to Antioxidant Effect. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2011; 2012:617494. [PMID: 21785648 PMCID: PMC3137989 DOI: 10.1155/2012/617494] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2011] [Accepted: 05/14/2011] [Indexed: 01/08/2023]
Abstract
Bambusae caulis in Liquamen (BCL), traditional herbal medicine used in East Asia, is known to have antioxidative and immune-regulating properties. We hypothesized that the potential antioxidant effects of BCL might suppress the production of thymus and activation-regulated chemokine (TARC) and macrophage-derived chemokine (MDC) in human keratinocytes (HaCaT cell). The immune-regulating effect of BCL was demonstrated by antioxidant capacity using DPPH analysis and DCFH-DA analysis. We found that BCL had strong ROS scavenge effect in HaCaT cell. BCL also showed suppression of IFN-γ-induced expression of TARC and MDC, activation of NF-κB, and, moreover, significant block of IFN-γ-induced degradation and phosphorylation of IκB. However, it had no effects on phosphorylation of p38 MAPK. Collectively, these results suggest that BCL may have a therapeutic potential on skin disease such as atopic dermatitis by inhibiting Th2 chemokines which is due, at least in part, to its antioxidant capacities.
Collapse
|
29
|
Park KH, Choi SE, Choi YW, Lee DI, Joo SS, Jeong MS, Bang H, Lee CS, Lee MK, Seo SJ, Lee MW. Topical Application of Two Condensed Tannins from the Root of Rosa multiflora
Thunberg for the Treatment of Atopic Dermatitis (AD) in NC/Nga Mice. Phytother Res 2011; 25:1564-9. [DOI: 10.1002/ptr.3578] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2010] [Revised: 01/10/2011] [Accepted: 05/18/2011] [Indexed: 11/06/2022]
Affiliation(s)
- Kwan Hee Park
- College of Pharmacy; Chung-Ang University; Seoul 156-756 Republic of Korea
| | - Sun Eun Choi
- College of Pharmacy; Chung-Ang University; Seoul 156-756 Republic of Korea
| | - Young Wook Choi
- College of Pharmacy; Chung-Ang University; Seoul 156-756 Republic of Korea
| | - Do Ik Lee
- College of Pharmacy; Chung-Ang University; Seoul 156-756 Republic of Korea
| | - Seong Soo Joo
- College of Life Science; Gangneung-Wonju National University; Gangneung 210-702 Republic of Korea
| | - Mi Sook Jeong
- College of Medicine; Chung-Ang University; Seoul 156-756 Republic of Korea
| | - Hyoweon Bang
- College of Medicine; Chung-Ang University; Seoul 156-756 Republic of Korea
| | - Chung Soo Lee
- College of Medicine; Chung-Ang University; Seoul 156-756 Republic of Korea
| | - Mi-Kyung Lee
- College of Medicine; Chung-Ang University; Seoul 156-756 Republic of Korea
| | - Seong Jun Seo
- College of Medicine; Chung-Ang University; Seoul 156-756 Republic of Korea
| | - Min Won Lee
- College of Pharmacy; Chung-Ang University; Seoul 156-756 Republic of Korea
| |
Collapse
|
30
|
Sung YY, Yoon T, Jang JY, Park SJ, Kim HK. Topical application of Rehmannia glutinosa extract inhibits mite allergen-induced atopic dermatitis in NC/Nga mice. JOURNAL OF ETHNOPHARMACOLOGY 2011; 134:37-44. [PMID: 21129471 DOI: 10.1016/j.jep.2010.11.050] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2010] [Revised: 11/11/2010] [Accepted: 11/19/2010] [Indexed: 05/30/2023]
Abstract
AIM OF THE STUDY Rehmannia glutinosa is known in Asia as a traditional herbal medicine with anti-inflammatory properties. Atopic dermatitis (AD) is an inflammatory skin disease associated with enhanced T-helper 2 (Th2) lymphocyte responses to allergens that results in elevated serum IgE levels and leukocyte infiltration. Although some studies have shown that Rehmannia glutinosa extract (RGE) has anti-inflammatory and anti-allergic activities, these properties have not been demonstrated in AD. This study investigated the effectiveness of RGE as a therapeutic candidate in an AD model as well as its underlying mechanism of action. MATERIALS AND METHODS The effects of RGE on mite allergen (Dermatophagoides farinae)-treated NC/Nga mice were evaluated by skin symptom severity, ear thickness, production of serum IgE and histamine, and expression of cytokines, chemokines, and adhesion molecules in the ear lesions. In addition, the levels of thymus and activation-regulated chemokine (TARC), macrophage-derived chemokine (MDC), and regulated on activation, normal T cell expressed and secreted (RANTES) produced in both TNF-α- and IFN-γ-stimulated human keratinocytes were investigated by enzyme-linked immunosorbent assay (ELISA). RESULTS RGE treatment of NC/Nga mice significantly reduced dermatitis scores, ear thicknesses, and serum histamine levels. Histological analyses demonstrated decreased thickening of the epidermis/dermis as well as dermal infiltration by inflammatory cells. In the ear lesions, mRNA expression levels of IL-4, TNF-α, VCAM-1, and ICAM-1 were inhibited by RGE treatment. RGE also suppressed the production of TARC, MDC, and RANTES in both the ear lesions and keratinocytes. CONCLUSIONS RGE inhibits the development of AD in NC/Nga mice by suppressing the expression of cytokines, chemokines, and adhesion molecules.
Collapse
Affiliation(s)
- Yoon-Young Sung
- Center of Herbal Resources Research, Korea Institute of Oriental Medicine, Daejeon 305-811, Republic of Korea
| | | | | | | | | |
Collapse
|
31
|
Lee SH. Platform Technologies for Research on the G Protein Coupled Receptor: Applications to Drug Discovery Research. Biomol Ther (Seoul) 2011. [DOI: 10.4062/biomolther.2011.19.1.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
|
32
|
Park HM, Son MW, Kim DH, Kim SH, Kim SH, Kwon HC, Kim SY. Fatty Acid Components of Hardy Kiwifruit (Actinidia arguta) as IL-4 Production Inhibitor. Biomol Ther (Seoul) 2011. [DOI: 10.4062/biomolther.2011.19.1.126] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
|
33
|
Jung BG, Cho SJ, Ko JH, Lee BJ. Inhibitory effects of interleukin-10 plasmid DNA on the development of atopic dermatitis-like skin lesions in NC/Nga mice. J Vet Sci 2010; 11:213-20. [PMID: 20706028 PMCID: PMC2924482 DOI: 10.4142/jvs.2010.11.3.213] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Interleukin (IL)-10 exerts potent anti-inflammatory effects by suppression of both T-help (Th) 1 and Th2 cells. Previous studies have reported that IL-10 can ameliorate various inflammatory disorders. The present study was performed to examine whether IL-10 plasmid DNA could suppress development of atopic dermatitis (AD)-like skin lesions in NC/Nga mice, as an initial step towards the development of an appliance for use in dogs with AD. Intradermal injection of IL-10 plasmid DNA markedly inhibited the development of AD-like skin lesions, as evidenced by a marked decrease in skin symptoms and reduced inflammation within the skin lesions. Efficacy was confirmed by significant decreases in eosinophil ratio and serum IgE concentration, and a reduction in the number of Staphylococcus aureus recovered from the ear. Moreover, relative mRNA expression levels of IL-4 and interferon-γ in the skin lesions of mice injected with IL-10 plasmid DNA were also decreased compared with those of control mice. Of note, higher serum IL-10 levels in mice injected with IL-10 plasmid DNA were maintained compared with those in control mice. Taken together, the results indicate that IL-10 plasmid DNA can suppress the development of AD-like skin lesions by suppressing both Th1 and Th2 cell responses. Beneficial effects of IL-10 plasmid DNA may be expected in dogs with AD.
Collapse
Affiliation(s)
- Bock Gie Jung
- College of Veterinary Medicine, Chonnam National University, Gwangju 500-757, Korea
| | | | | | | |
Collapse
|
34
|
Sugiyama A, Hata S, Suzuki K, Yoshida E, Nakano R, Mitra S, Arashida R, Asayama Y, Yabuta Y, Takeuchi T. Oral administration of paramylon, a beta-1,3-D-glucan isolated from Euglena gracilis Z inhibits development of atopic dermatitis-like skin lesions in NC/Nga mice. J Vet Med Sci 2010; 72:755-63. [PMID: 20160419 DOI: 10.1292/jvms.09-0526] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Paramylon is a beta-1,3-D-glucan isolated from Euglena gracilis Z. This study was designed to evaluate the suppressive effects of the oral administration of paramylon on the development of atopic dermatitis (AD)-like skin lesions induced by repeated application of 2,4,6-trinitrochlorobenzene (TNCB) in sensitized NC/Nga mice. The effects of paramylon were assessed by measuring macroscopical and histopathological findings of skin, ear swelling, serum levels of total IgE, interleukin-4 (IL-4) and interferon-gamma (IFN-gamma) and IL-18 and IL-12 contents in the skin lesions. Oral administration of paramylon inhibited the development of AD-like skin lesions as exemplified by a significant decrease in dermatitis scores for the back, ear swelling and hypertrophy of the skin, infiltration of inflammatory cells in the skin, and serum IgE levels. Oral administration of paramylon reduced serum levels of both IL-4 and IFN-gamma and IL-18 and IL-12 contents in the skin lesions. Oral administration of paramylon did not cause weight loss, as was observed with prednisolone. These results suggest that paramylon inhibits the development of AD-like skin lesions in NC/Nga mice by suppressing both the T-helper (Th) 1 and Th 2 cell responses. Our results indicate that paramylon treatment could provide an effective alternative therapy for the management of AD.
Collapse
Affiliation(s)
- Akihiko Sugiyama
- Course of Veterinary Laboratory Medicine, School of Veterinary Medicine, Faculty of Agriculture, Tottori University, Japan.
| | | | | | | | | | | | | | | | | | | |
Collapse
|
35
|
Jung BG, Cho SJ, Koh HB, Han DU, Lee BJ. Fermented Maesil (Prunus mume) with probiotics inhibits development of atopic dermatitis-like skin lesions in NC/Nga mice. Vet Dermatol 2010; 21:184-91. [PMID: 20141605 DOI: 10.1111/j.1365-3164.2009.00796.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Maesil (Prunus mume Siebold & Zucc.), a potential source of free radical scavengers and inhibitor of pro-inflammatory mediators, is used in traditional Korean medical preparations as a remedy for skin disorders as have probiotics. The action of a probiotic fermented Maesil preparation on the development of atopic dermatitis (AD)-like skin lesions was determined in a NC/Nga mouse model as an initial step towards the development of a therapeutic feed supplement for use in dogs. Continuous ingestion of the experimental feed markedly inhibited the development of the AD-like skin lesions, as evidenced by a marked decrease in skin signs and reduced inflammation within the skin lesions. Efficacy was confirmed by significant decreases in eosinophil ratio and serum IgE concentration, and a reduction in the number of Staphylococcus aureus recovered from the ear. Relative mRNA expression levels of IL-4, interferon-gamma and tumour necrosis factor-alpha in the spleens of the experimental animals were also decreased and there was an increased serum concentration of IL-10 with a concurrent decreased IL-4 concentration in comparison to a control group. Taken together, the results indicate that some component(s) of fermented Maesil have the ability to suppress the development of AD-like skin lesions, possibly by stimulation of IL-10. Beneficial effects of fermented Maesil may thus be expected in dogs with AD, although this and the nature of the active pathway remain to be explored.
Collapse
Affiliation(s)
- Bock-Gie Jung
- College of Veterinary Medicine, Chonnam National University, Gwangju 500-757, Korea
| | | | | | | | | |
Collapse
|
36
|
A Novel Model for Human Atopic Dermatitis: Application of Repeated DNCB Patch in BALB/c Mice, in Comparison with NC/Nga Mice. Lab Anim Res 2010. [DOI: 10.5625/lar.2010.26.1.95] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
|
37
|
Qi XF, Kim DH, Yoon YS, Li JH, Jin D, Deung YK, Lee KJ. Effects of Bambusae caulis in Liquamen on the development of atopic dermatitis-like skin lesions in hairless mice. JOURNAL OF ETHNOPHARMACOLOGY 2009; 123:195-200. [PMID: 19429362 DOI: 10.1016/j.jep.2009.03.020] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2008] [Revised: 02/24/2009] [Accepted: 03/15/2009] [Indexed: 05/27/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Bambusae caulis in Liquamen (BCL) is a nutritious liquid extracted from heat-treated fresh bamboo stems. It is an important traditional herbal medicine used to treat coughs and asthma in East Asia. In recent years, it has been studied for its anti-inflammatory, anti-allergenic, and immune-regulating properties. AIM OF THE STUDY To examine whether BCL suppresses the development of 2,4-dinitrochlorobenzene (DNCB)-induced atopic dermatitis (AD)-like skin lesions in hairless mice. MATERIALS AND METHODS The effects of BCL were analyzed by measuring transepidermal water loss (TEWL), melanin content, and erythema in the skin, leukocyte numbers and IgE levels in the serum, and mRNA expression of relevant cytokines in the spleen. RESULTS The transdermal administration of BCL to hairless mice inhibited the development of DNCB-induced AD-like skin lesions by suppressing TEWL, melanin production and erythema of skin, the number of leukocytes and the level of IgE in serum, and the mRNA expression of IL-4, IL-13, and TNF-alpha in the spleen. However, BCL administration increased the expression of IFN-gamma in the spleen. CONCLUSIONS These findings indicate that BCL suppresses the development of DNCB-induced AD-like skin lesions in hairless mice, suggesting that BCL may be a potential therapeutic agent for AD in a clinical setting.
Collapse
Affiliation(s)
- Xu-Feng Qi
- Department of Environmental Medical Biology, Wonju College of Medicine, Yonsei University, Wonju, Gangwon 220-701, Republic of Korea
| | | | | | | | | | | | | |
Collapse
|
38
|
Fermented barley extract suppresses the development of atopic dermatitis-like skin lesions in NC/Nga mice, probably by inhibiting inflammatory cytokines. Biosci Biotechnol Biochem 2009; 73:489-93. [PMID: 19270394 DOI: 10.1271/bbb.80436] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
We have found that fermented barley extract (FBE), prepared from barley shochu residue, alleviates allergic rhinitis in OVA-sensitized mice. In this study, we examined to determine whether FBE suppresses the development of atopic dermatitis (AD)-like skin lesions in NC/Nga mice. The development of AD-like skin lesions in a 5% FBE containing diet group was significantly inhibited, and scratching behavior, one of aggravating factors, was also suppressed. Neither serum immunoglobulin E (IgE) levels nor interleukin (IL)-4 production by spleen cells in the 5% FBE diet group was found to be significantly reduced. On the other hand, interferon-gamma (IFN-gamma) and IL-17 production by spleen cells in the 5% FBE diet group was significantly reduced. Hence it was assumed that FBE alleviates AD-like skin lesions in NC/Nga mice, probably by modulating the cytokine production involved in chronic inflammation, such as IFN-gamma or IL-17.
Collapse
|
39
|
Complementary and alternative medicine: herbs, phytochemicals and vitamins and their immunologic effects. J Allergy Clin Immunol 2009; 123:283-94; quiz 295-6. [PMID: 19203652 DOI: 10.1016/j.jaci.2008.12.023] [Citation(s) in RCA: 133] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2008] [Revised: 12/18/2008] [Accepted: 12/19/2008] [Indexed: 12/14/2022]
Abstract
Complementary and alternative medicines (CAMs) are used in more than 80% of the world's population and are becoming an increasing component of the US health care system, with more than 70% of the population using CAM at least once and annual spending reaching as much as $34 billion. Since the inception of the National Center for Complementary and Alternative Medicine, there has been an enormous increase in the number of basic science and therapy-based clinical trials exploring CAM. The subspecialty of allergy and immunology represents a particularly fertile area with a large number of CAM therapies that have been shown to affect the immune system. Recent work has uncovered potential biochemical mechanisms involved in the immunomodulatory pathway of many supplemental vitamins (A, D, and E) that appear to affect the differentiation of CD4(+) cell T(H)1 and T(H)2 subsets. Other research has shown that herbs such as resveratrol, quercetin, and magnolol may affect transcription factors such as nuclear factor-kappaB and the signal transducer and activator of transcription/Janus kinase pathways with resultant changes in cytokines and inflammatory mediators. Clinically, there have been hundreds of trials looking at the effect of CAM on asthma, allergic rhinitis, and atopic dermatitis. This article reviews the history of CAM and its use among patients, paying special attention to new research focusing on herbals, phytochemicals, and vitamins and their potential interaction with the immune system.
Collapse
|
40
|
Yano S, Umeda D, Yamashita S, Yamada K, Tachibana H. Dietary apigenin attenuates the development of atopic dermatitis-like skin lesions in NC/Nga mice. J Nutr Biochem 2008; 20:876-81. [PMID: 18993046 DOI: 10.1016/j.jnutbio.2008.08.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2008] [Revised: 07/28/2008] [Accepted: 08/07/2008] [Indexed: 01/10/2023]
Abstract
One of the flavones, apigenin has various physiological functions including anti-inflammatory activities. Atopic dermatitis (AD) is a chronically relapsing inflammatory disorder that is characterized by pruritic and eczematous skin lesions. To evaluate the anti-allergic effect of apigenin in vivo, we examined the effect of dietary apigenin on picrylchloride (PiCl)-induced AD-like pathology in NC/Nga mice. NC/Nga mice were fed experimental diets containing apigenin from Day 18 after sensitized with PiCl for 4 weeks. Dietary apigenin significantly alleviated the development of skin lesions, accompanied by lower serum immunoglobulin (Ig) G1 and IgE levels in NC/Nga mice. Interferon (IFN)-gamma mRNA expression level in spleen cells from NC/Nga mice was reduced by apigenin feeding. Moreover, interleukin 4-induced signal transducers and activators of transcription 6 phosphorylation in primary spleen cells from BALB/c mice was inhibited by treatment with apigenin. These results suggest that apigenin attenuates exacerbation of AD-like symptoms in part through the reduction of serum IgE level and IFN-gamma expression in NC/Nga mice.
Collapse
Affiliation(s)
- Satomi Yano
- Laboratory of Food Chemistry, Division of Applied Biological Chemistry, Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University, Fukuoka 812-8581, Japan
| | | | | | | | | |
Collapse
|
41
|
Kim EC, Lee HS, Kim SK, Choi MS, Lee S, Han JB, An HJ, Um JY, Kim HM, Lee NY, Bae H, Min BI. The bark of Betula platyphylla var. japonica inhibits the development of atopic dermatitis-like skin lesions in NC/Nga mice. JOURNAL OF ETHNOPHARMACOLOGY 2008; 116:270-278. [PMID: 18191513 DOI: 10.1016/j.jep.2007.11.042] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2006] [Revised: 11/09/2007] [Accepted: 11/19/2007] [Indexed: 05/25/2023]
Abstract
The bark of Betula platyphylla Sukat. var. japonica Hara (Asian White Birch, AWB) is one of the herbs used in Eastern countries for the treatment of various inflammatory diseases including atopic dermatitis (AD). The present study was performed to examine if and how the bark of AWB inhibits the development of AD-like skin lesions in NC/Nga mice induced by repeated application of picryl chloride (PC). With this aim, we examined the skin symptom severity, itching behavior, serum immunoglobulin (Ig) E level and mRNA expression of cytokines at iliac and cervical lymph nodes in the mice. Oral administration of AWB extracts (25, 100 and 250 mg/kg) to the PC-treated mice inhibited the development of AD-like skin lesions as exemplified by a significant decrease in the total skin severity scores, itching behavior and a decrease in hypertrophy and infiltration of inflammatory cells into dermis. The serum IgE level was also significantly reduced by AWB extract. In the RT-PCR results, the expression of interleukin-4 mRNA was reduced by AWB extract, whereas the expression of interferon-gamma mRNA was not changed. These results suggest that AWB inhibits the development of AD-like skin lesions in NC/Nga mice through the suppression of the T-helper 2 cell response.
Collapse
Affiliation(s)
- Eui-Chul Kim
- Department of East-West Medicine, Graduate School, Kyung Hee University, Seoul, Republic of Korea
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
42
|
Choi MS, Kim EC, Lee HS, Kim SK, Choi HM, Park JH, Han JB, An HJ, Um JY, Kim HM, Han AR, Hong MC, Bae H, Min BI. Inhibitory effects of Saururus chinensis (LOUR.) BAILL on the development of atopic dermatitis-like skin lesions in NC/Nga mice. Biol Pharm Bull 2008; 31:51-6. [PMID: 18175941 DOI: 10.1248/bpb.31.51] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The present study was performed to examine whether the leaves of Saururus chinensis (LOUR.) BAILL (SC), an herb used for the management of various skin diseases including atopic dermatitis (AD) in Eastern countries, inhibited the development of AD-like skin lesions in NC/Nga mice which was induced by repeated application of picryl chloride (PiCl). The efficacy of SC was judged by measurement of skin severity, itching behavior, histological study, serum IgE levels, IL-4 and IFN-gamma in lymph nodes. Oral administration of SC extract to the PiCl-treated NC/Nga mice for 8 weeks (5 d per week) inhibited significantly the development of AD-like skin lesions macroscopically. Histologically, SC inhibited dermatitis changes like hypertrophy, hyperkeratosis, and infiltration of inflammatory cells into epidermis and dermis. The itching behavior and serum IgE level decreased significantly after SC administration. SC administration enhanced IFN-gamma mRNA expression but did not have an effect on IL-4 mRNA expression. These results suggest that SC could inhibit the development of AD-like skin lesions in NC/Nga mice possibly through modulating the Th1/Th2 imbalance by the promoting of Th1 cell response. Thus, SC may be an alternative substance for the management of AD patients.
Collapse
Affiliation(s)
- Myoung Suk Choi
- Department of East-West Medicine, Graduate School, Kyung Hee University, Dongdaemoon-gu, Seoul 130-701, Republic of Korea
| | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
43
|
Lans C, Turner N, Khan T, Brauer G. Ethnoveterinary medicines used to treat endoparasites and stomach problems in pigs and pets in British Columbia, Canada. Vet Parasitol 2007; 148:325-40. [PMID: 17628343 DOI: 10.1016/j.vetpar.2007.06.014] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2007] [Revised: 05/18/2007] [Accepted: 06/12/2007] [Indexed: 01/27/2023]
Abstract
This paper documents the medicinal plants used to treat endoparasites and stomach problems in dogs, cats and pigs in British Columbia, Canada. Ethnoveterinary data was collected over a 6-month period in 2003. The majority of the information on pets came from 2 naturopaths, 10 herbalists, 5 dog trainers, breeders and pet shop owners, 9 holistic veterinarians and 6 of 27 organic farmers. Two pig farmers joined the study in the final stages. The following plants were used as anthelmintics: Artemisia cina O. Berg and C.F. Schmidt, Artemisia vulgaris L., Artemisia annua, Calendula officinalis L., Echinacea purpurea (L.) Moench (all Asteraceae), Mentha piperita L. and Salvia officinalis L. (Lamiaceae) (Allium sativum L. (Alliaceae), Cucurbita pepo L. (Cucurbitaceae), Eugenia caryophyllata Thunb (Myrtaceae), Gentiana lutea L. (Gentianaceae), Hydrastis canadensis L. (Ranunculaceae), Juglans nigra L. (Juglandaceae), Olea europaea L. (Oleaceae) and Ruta graveolens L. (Rutaceae)). Stomach problems were treated with: Achillea millefolium L. (Asteraceae), Aloe vera (L.) Burm. f. (Asphodelaceae), Elytrigia repens (L.) Desv. ex Nevski (Poaceae), Frangula purshiana (DC.) Cooper (Rhamnaceae), Juniperus communis L. (Cupressaceae), Melissa officinalis L. and M. piperita L. (Lamiaceae), Petroselinum crispum L. (Apiaceae), Plantago major L. and Plantago ovata Forssk. (Plantaginaceae) Rumex crispus L. and Rumex obtusifolius L. (Polygonaceae), Ulmus fulva Michx. (Ulmaceae) and Zingiber officinalis Roscoe (Zingiberaceae). There is insufficient information available to assess the anthelmintic efficacies of C. officinalis, Salvia officinalis, Eugenia caryophyllata and O. europaea; the other plants have mid- to high-level validity for their ethnoveterinary uses.
Collapse
Affiliation(s)
- Cheryl Lans
- BCICS, University of Victoria, British Columbia V8W 2Y2, Canada.
| | | | | | | |
Collapse
|
44
|
Birnie A, Langan S, English JSC, Eedy DJ. Updates from the British Association of Dermatologists 86th Annual Meeting, 4?7 July 2006, Manchester, U.K. Br J Dermatol 2007; 156:802-13. [PMID: 17286629 DOI: 10.1111/j.1365-2133.2007.07761.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Here we provide a synopsis of the main clinical and research advances in clinical, epidemiological and biological dermatology that were presented at the meeting of the British Association of Dermatologists (BAD) held during 4-7 July 2006, in Manchester, U.K. Only the more important advances or summaries of findings are mentioned. The meeting was held at the Manchester International Conference Centre (Fig. 1). The annual dinner was held at Manchester Town Hall, in the Great Hall decorated with magnificent murals by Ford Madox Brown, with Dr Susan Burge as host.
Collapse
Affiliation(s)
- A Birnie
- Queen's Medical Centre, Nottingham University Hospitals, Nottingham, UK
| | | | | | | |
Collapse
|
45
|
Research Snippets. J Invest Dermatol 2006. [DOI: 10.1038/sj.jid.5700479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|