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house dust mite dermatitis

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https://www.readbyqxmd.com/read/28684329/house-dust-mite-increases-pro-th2-cytokines-il-25-and-il-33-via-the-activation-of-tlr1-6-signaling
#1
Yong Hyun Jang, Jin Kyeong Choi, Meiling Jin, Young-Ae Choi, Zae Young Ryoo, Hyun-Shik Lee, Pil-Hoon Park, Sun-Uk Kim, Taeg Kyu Kwon, Myoung Ho Jang, Sin-Hyeog Im, Sun Young Moon, Weon Ju Lee, Seok-Jong Lee, Do Won Kim, Sang-Hyun Kim
House dust mite (HDM) has been implicated in the etiology and exacerbation of atopic dermatitis (AD). Diverse factors contribute to HDM allergenicity through the activation of innate immunity. We investigated whether Dermatophagoides farinae extract (DFE) allergens mediate innate immune activation through specific Toll-like receptors (TLRs) in epidermal keratinocytes, DFE-induced murine AD model and human AD lesions. DFE activated the expression of TLR1, TLR6, interleukin (IL)-25, and IL-33 in human primary keratinocytes and HaCaT cells...
July 3, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28675838/therapeutic-application-of-human-leukocyte-antigen-g1-improves-atopic-dermatitis-like-skin-lesions-in-mice
#2
Naoyoshi Maeda, Chisato Yamada, Ami Takahashi, Kimiko Kuroki, Katsumi Maenaka
Human leukocyte antigen (HLA)-G is an immune checkpoint molecule that plays critical roles in immune response and in triggering inhibitory signaling to immune cells such as T cells, natural killer cells, and antigen-presenting cells. Thus, the application of HLA-G can be considered for treating immune response-related inflammatory disorders. We have previously reported that treatment with HLA-G1 and HLA-G2 ameliorates the joint swelling associated with collagen-induced arthritis of DBA/1 mice, an animal model for rheumatoid arthritis...
July 1, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28632956/anti-inflammatory-potential-of-a-heat-killed-lactobacillus-strain-isolated-from-kimchi-on-house-dust-mite-induced-atopic-dermatitis-in-nc-nga-mice
#3
C-Y Choi, Y-H Kim, S Oh, H J Lee, J H Kim, S H Park, H J Kim, S J Lee, T Chun
AIMS: Atopic dermatitis (AD) is an allergic skin disease driven by the Th2-prone immune response. Therefore, a fundamental approach to restoring the Th1/Th2 balance is needed to treat AD. METHODS AND RESULTS: Eighteen different Lactobacillus strains isolated from Kimchi were screened to identify those that stimulated immune cells to secret Th1-type or Th2-type cytokines. Lactobacillus brevis NS1401 induced the greatest IFN-γ and IL-12 secretion and the least IL-4 production among the tested Lactobacillus strains...
June 20, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28627593/suppressive-effect-of-an-aqueous-extract-of-diospyros-kaki-calyx-on-dust-mite-extract-2-4-dinitrochlorobenzene-induced-atopic-dermatitis-like-skin-lesions
#4
Ju-Hee Yu, Meiling Jin, Young-Ae Choi, Na-Hee Jeong, Jeong-Sook Park, Tae-Yong Shin, Sang-Hyun Kim
Atopic dermatitis (AD) is a common chronic inflammatory skin disease, affecting 10-20% of individuals worldwide. Therefore, the discovery of drugs for treating AD is an attractive subject and important to human health. Diospyros kaki and Diospyros kaki (D. kaki) folium exert beneficial effects on allergic inflammation. However, the effect of D. kaki calyx on AD remains elusive. The present study evaluated the effects of an aqueous extract of D. kaki calyx (AEDKC) on AD-like skin lesions using mouse and keratinocyte models...
June 12, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28586781/house-dust-mites-induce-production-of-endothelin-1-and-matrix-metalloproteinase-9-in-keratinocytes-via-proteinase-activated-receptor-2-activation
#5
Yoshihito Yamada, Tatsumi Matsumoto
BACKGROUND: Atopic dermatitis (AD) is a chronic inflammatory skin disease characterized by skin barrier dysfunction and abnormal immune response. House dust mites (HDM) are a major source of allergens, some of which have cysteine and serine protease activities. Keratinocytes stimulated by HDM-derived proteases have been suggested to contribute to the pathogenesis of AD by producing various cytokines. However, whether keratinocytes contribute to the induction of pruritus in AD, especially by producing pruritus-related mediators upon stimulation with HDM-derived proteases, has not been fully elucidated...
June 7, 2017: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/28461776/therapeutic-effects-of-orally-administered-cjlp55-for-atopic-dermatitis-via-the-regulation-of-immune-response
#6
Kyeong Eun Hyung, Soo Jeong Kim, Ye Won Jang, Da Kyoung Lee, Kee Hyeob Hyun, Byoung Seok Moon, Bongjoon Kim, Heeyoon Ahn, So-Young Park, Uy Dong Sohn, Eon Sub Park, Kwang Woo Hwang
Atopic dermatitis (AD) is an inflammatory skin condition accompanied by symptoms such as edema and hemorrhage. Kimchi is a traditional fermented Korean dish consisting of various probiotics. In this study, the therapeutic effect of Lactobacillus plantarum CJLP55 isolated from Kimchi was studied in AD-induced mice. Orally administered Lactobacillus strain, CJLP55, suppressed AD symptoms and high serum IgE levels. CJLP55 administration reduced the thickness of the epidermis, infiltration of mast cells and eosinophils into the skin lesion, enlargement of axillary lymph nodes, and increase in cell population in axillary lymph nodes...
May 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28294587/vitamin-d-levels-and-allergic-diseases-an-italian-cross-sectional-multicenter-survey
#7
C Lombardi, G Passalacqua
Background. During the two last decades, the interest in the role of Vitamin D (VD) in allergic disease has increased. Apart from the well-known actions of VD in bone metabolism, recent studies suggested its possible role as an immune-modulator in allergy. Objective. This study, conducted over the Italian territory, evaluated the possible correlations between VD serum level and diagnosed allergic diseases (rhinitis / asthma, food allergy, atopic dermatitis). Thus, VD was assessed in patients with physician-diagnosed allergic diseases...
March 2017: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28270741/sensitization-to-secretoglobin-and-lipocalins-in-a-group-of-young-children-with-risk-of-developing-respiratory-allergy
#8
Mizuho Nagao, Magnus P Borres, Mayumi Sugimoto, Carl Johan Petersson, Satoshi Nakayama, Yu Kuwabara, Sawako Masuda, Patrik Dykiel, Takao Fujisawa
BACKGROUND: Multiple sensitizations in early age have been reported to be a risk for development of asthma. This study evaluates the emergence and evolution of IgE to aeroallergens among a cohort of children with physician-diagnosed atopic dermatitis and/or showing food allergy symptoms and to examine the relation to asthma development. METHODS: Three-hundred and four children (median age 13.4 months at entry) with food allergy symptoms and/or atopic dermatitis without asthma at inclusion were analysed for IgE antibodies against food-, indoor- and outdoor-allergens and pet allergen components and correlated to the individuals' outcome on asthma inception...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/28261915/proof-of-concept-of-the-preventive-efficacy-of-high-dose-recombinant-mono-allergen-immunotherapy-in-atopic-dogs-sensitized-to-the-dermatophagoides-farinae-allergen-der-f-2
#9
Thierry Olivry, Judy S Paps, Stanley M Dunston
BACKGROUND: Allergen immunotherapy is currently the only intervention proposed to specifically prevent clinical flares after allergen challenges. The low molecular weight Der f 2 (Df2) is a major allergen in Japanese dogs sensitized to Dermatophagoides farinae house dust mites. OBJECTIVES: Pilot, blinded, placebo-controlled experiment testing the efficacy of subcutaneous immunotherapy (SCIT) with high doses of recombinant Df2 conjugated to the maltotriose pullulan (rDf2-P)...
April 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28228560/expression-of-il-22-in-the-skin-causes-th2-biased-immunity-epidermal-barrier-dysfunction-and-pruritus-via-stimulating-epithelial-th2-cytokines-and-the-grp-pathway
#10
Hongfei Lou, Jingning Lu, Eun Byul Choi, Min Hee Oh, Mingeum Jeong, Sara Barmettler, Zhou Zhu, Tao Zheng
Increased expression of Th22 cytokine IL-22 is a characteristic finding in atopic dermatitis (AD). However, the specific role of IL-22 in the pathogenesis of AD in vivo has yet to be elucidated. Consistent with observations in human AD, IL-22 was significantly increased in the AD skin of mice after epicutaneous sensitization to house dust mite allergen. Utilizing a skin-specific inducible transgenic system, we show in the present study that expression of IL-22 in the skin of mice caused an AD-like phenotype characterized by chronic pruritic dermatitis associated with Th2-biased local and systemic immune responses, downregulation of epidermal differentiation complex genes, and enhanced dermatitis upon epicutaneous allergen exposure...
April 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28224996/intelectin-contributes-to-allergen-induced-il-25-il-33-and-tslp-expression-and-type-2-response-in-asthma-and-atopic-dermatitis
#11
L Yi, D Cheng, K Zhang, X Huo, Y Mo, H Shi, H Di, Y Zou, H Zhang, J Zhao, Y Xu, D J Erle, G Zhen
The epithelial and epidermal innate cytokines IL-25, IL-33, and thymic stromal lymphopoietin (TSLP) have pivotal roles in the initiation of allergic inflammation in asthma and atopic dermatitis (AD). However, the mechanism by which the expression of these innate cytokines is regulated remains unclear. Intelectin (ITLN) is expressed in airway epithelial cells and promotes allergic airway inflammation. We hypothesized that ITLN is required for allergen-induced IL-25, IL-33, and TSLP expression. In two asthma models, Itln knockdown reduced allergen-induced increases in Il-25, Il-33, and Tslp and development of type 2 response, eosinophilic inflammation, mucus overproduction, and airway hyperresponsiveness...
February 22, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28223739/effectiveness-of-specific-sublingual-immunotherapy-in-korean-patients-with-atopic-dermatitis
#12
Hyang-Suk You, Min-Young Yang, Gun-Wook Kim, Hyun-Ho Cho, Won-Jeong Kim, Je-Ho Mun, Margaret Song, Hoon-Soo Kim, Hyun-Chang Ko, Moon-Bum Kim, Byung-Soo Kim
BACKGROUND: Sublingual immunotherapy (SLIT) with house dust mites (HDM) preparation has recently been proven to be beneficial for treating allergic rhinitis and asthma. However, there has been no report regarding the efficacy and safety of SLIT in Korean patients with atopic dermatitis (AD). OBJECTIVE: We intended to investigate the efficacy and safety of SLIT in Korean patients with AD. METHODS: A total of 34 patients with AD and immunoglobulin E (IgE)-proven HDM sensitization (Class ≥3) were recruited...
February 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28218721/bee-venom-phospholipase-a2-ameliorates-house-dust-mite-extract-induced-atopic-dermatitis-like-skin-lesions-in-mice
#13
Kyung-Hwa Jung, Hyunjung Baek, Manho Kang, Namsik Kim, Seung Young Lee, Hyunsu Bae
Atopic dermatitis (AD) is a biphasic inflammatory skin disease that is provoked by epidermal barrier defects, immune dysregulation, and increased skin infections. Previously, we have demonstrated that bvPLA2 evoked immune tolerance by inducing regulatory T cells (Treg), and thus alleviated Th2 dominant allergic asthma in mice. Here, we would like to determine whether treatment with bvPLA2 exacerbates the AD-like allergic inflammations induced by house dust mite extract (DFE) in a murine model. Epidermal thickness, immune cell infiltration, serum immunoglobulin, and cytokines were measured...
February 18, 2017: Toxins
https://www.readbyqxmd.com/read/28188713/-safety-of-subcutaneous-immunotherapy-with-tyrosine-adsorbed-house-dust-mite-extracts-in-patients-with-allergic-disease
#14
Mónica María Molina-Sáenz, Ana María Villa-Arango, Ricardo Cardona-Villa
BACKGROUND: In spite of allergen-specific immunotherapy (SIT) multiple benefits, its use is restricted in some countries owing to concerns about severe adverse reactions. OBJECTIVE: To evaluate systemic adverse reactions in patients with atopic dermatitis, allergic asthma, allergic rhinitis and allergic conjunctivitis who received subcutaneous immunotherapy with tyrosine-adsorbed Dermatophagoides and Glycyphagoides dust mites extracts. METHODS: Retrospective study of the 2010-2015-period that included 773 patients diagnosed with IgE-mediated diseases, where the safety of allergen-specific immunotherapy was described according to the World Organization of Allergy subcutaneous immunotherapy-induced systemic reactions classification system...
January 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/28164398/prevalence-of-house-dust-mites-in-the-homes-of-atopic-dogs-in-finland
#15
Kirsti J M Schildt, Riitta T K Seppänen, Anna K Hielm-Björkman, Leena E Saijonmaa-Koulumies, Svetlana Belova
BACKGROUND: The house dust mites (HDM) Dermatophagoides farinae and D. pteronyssinus are important environmental allergens implicated in the pathogenesis of human and canine atopic dermatitis. Sensitization to HDM measured by allergen-specific IgE is common in Finnish atopic dogs. Studies on HDM prevalence in Finland are few but suggest that HDM are scarce. OBJECTIVE: The aim of the present study was to evaluate the prevalence of HDM in the home environments of atopic dogs in Finland...
February 5, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28137259/effect-of-the-topical-application-of-an-ethanol-extract-of-quince-seeds-on-the-development-of-atopic-dermatitis-like-symptoms-in-nc-nga-mice
#16
Takeshi Kawahara, Kanako Tsutsui, Eri Nakanishi, Toshifumi Inoue, Yasunori Hamauzu
BACKGROUND: Quince (Cydonia oblonga Miller) is a deciduous shrub belonging to the Rosaceae family. Quince seed extract has long been used as a cosmetic ingredient for its moisturizing effect. However, little is known about whether quince seed extract has therapeutic effects on keratinocyte-associated skin inflammation. METHODS: In the present study, we investigated the effect of the topical application of ethanol extract of quince seeds (QSEtE) on atopic dermatitis (AD) symptoms in NC/Nga mice...
January 31, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28134765/dimerized-translationally-controlled-tumor-protein-binding-peptide-ameliorates-atopic-dermatitis-in-nc-nga-mice
#17
Xing-Hai Jin, Juhyeon Lim, Dong Hae Shin, Jeehye Maeng, Kyunglim Lee
Our previous study showed that dimerized translationally controlled tumor protein (dTCTP) plays a role in the pathogenesis of allergic diseases, such as asthma and allergic rhinitis. A 7-mer peptide, called dTCTP-binding peptide 2 (dTBP2), binds to dTCTP and inhibits its cytokine-like effects. We therefore examined the protective effects of dTBP2 in house dust mite-induced atopic dermatitis (AD)-like skin lesions in Nishiki-nezumi Cinnamon/Nagoya (NC/Nga) mice. We found that topical administration of dTBP2 significantly reduced the AD-like skin lesions formation and mast cell infiltration in NC/Nga mice, similarly to the response seen in the Protopic (tacrolimus)-treated group...
January 26, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28124649/dry-eye-disease-and-allergic-conditions-a-korean-nationwide-population-based-study
#18
Minkyeong Kim, Jong-Hyun Oh, Choul Yong Park, Sang Wha Lee
BACKGROUND: Dry eye disease (DED) is a multifactorial disease of the tears and ocular surface. No epidemiologic reports have yet been published about the relationship between DED and allergic rhinitis or sensitization to allergens. OBJECTIVE: To investigate the association between DED and allergic conditions in the general adult Korean population. METHODS: This population-based cross-sectional study included 17,542 individuals (ages ≥ 19 years) who participated in the Korea National Health and Nutrition Examination Survey (KNHANES) from 2010 to 2012...
November 1, 2016: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/27936051/forsythia-suspensa-suppresses-house-dust-mite-extract-induced-atopic-dermatitis-in-nc-nga-mice
#19
Yoon-Young Sung, Taesook Yoon, Seol Jang, Ho Kyoung Kim
Forsythia suspensa (F. suspensa) is a traditional medicine for treatment of inflammation. In this study, we evaluated the therapeutic effects of an ethanol extract from F. suspensa fruits on atopic dermatitis both in vivo and in vitro. We investigated the inhibitory effects of F. suspensa extract on the development of atopic dermatitis-like skin lesions in an NC/Nga mouse model exposed to Dermatophagoides farinae crude extract. Topical application of F. suspensa extract to the mice attenuated the atopic dermatitis symptoms, including increased dermatitis severity score, ear thickness, infiltration of inflammatory cells in the skin lesions, serum levels of IgE, TNF-α, and histamine, and expression of chemokines, cytokines, and adhesion molecules in ear tissue...
2016: PloS One
https://www.readbyqxmd.com/read/27921406/house-dust-mites-confer-a-distinct-immunological-feature-among-dermatitis
#20
Safa Baris, Ahmet Ozen, Tuba Akdeniz, Elif Karakoc-Aydiner, Ovgu Aydin, Hulya Ercan, Ismail Ogulur, Yildiz Camcioglu, Reha Cengizlier, Cuyan Demirkesen, Deniz Yucelten, Gulderen Demirel, Isil B Barlan
Atopic dermatitis (AD) is a heterogeneous disease with regard to clinical phenotype and natural history. We investigated T cell subtypes and cytokine responses in peripheral blood and skin lesions of AD patients with various sensitivities. Immunological studies were performed in 27 subjects: 9 house dust mite (HDM)-sensitized; 6 subjects with sensitizations other than HDM; 7 non-allergic AD patients and 5 healthy controls. Among those, skin biopsy samples of 13 subjects were evaluated for immunohistochemical analyses, as well...
August 2016: Iranian Journal of Allergy, Asthma, and Immunology
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