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house dust mite dermatitis

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https://www.readbyqxmd.com/read/29047167/the-association-between-an-genetic-risk-score-for-allergy-and-the-risk-of-developing-allergies-in-childhood-results-of-the-whistler-cohort
#1
Ali Arabkhazaeli, Fariba Ahmadizar, Maarten Leusink, Hubertus G M Arets, Jan A M Raaijmakers, Cuno S Uiterwaal, Cornelis K van der Ent, Anke-Hilse Maitland-van der Zee, Susanne J H Vijverberg
BACKGROUND: Several genetic variants have been associated with the susceptibility to allergic disease in adults, but it remains unclear whether these genetic variants are also associated with the onset of allergic disease early in life. The aim of this study was to develop a genetic risk score (GRS) for allergy based on findings in adults and study its predictive capacity for allergy in children. METHODS: A GRS was constructed based on 10 SNPs previously associated with allergies in adults...
October 19, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/29028288/hypochlorous-acid-is-anti-pruritic-and-anti-inflammatory-in-a-mouse-model-of-atopic-dermatitis
#2
Tomoki Fukuyama, Britta C Martel, Keith Linder, Sarah Ehling, Joy Rachel Ganchingco, Wolfgang Bäumer
BACKGROUND: It has been reported that topical hypochlorous acid (HOCl) formulations lead to relief of itch in human patients with atopic dermatitis, however the specific anti-pruritic mechanism of action remains unclear. OBJECTIVE: To confirm itch relief and reduction of lesions in a mouse model of atopic dermatitis and to elucidate possible HOCl's mode of action. METHODS: In this study, the effects of topical administration of HOCl hydrogel (0...
October 13, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29022537/respiratory-comorbidity-in-south-african-children-with-atopic-dermatitis
#3
C L Gray, M E Levin, G Du Toit
BACKGROUND: Atopic dermatitis (AD) is an early and important step in the propagation of the allergic march, enhancing food and respiratory allergies via epicutaneous sensitisation to allergens. OBJECTIVES: To determine the prevalence and patterns of aeroallergen sensitisation, asthma and allergic rhinitis in South African (SA) children with AD. METHODS: This was a prospective, observational study in a paediatric university hospital in Cape Town, SA...
September 22, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28983982/investigation-of-the-correlation-of-serum-il-31-with-severity-of-dermatitis-in-an-experimental-model-of-canine-atopic-dermatitis-using-beagle-dogs
#4
Rosanna Marsella, Kim Ahrens, Rachel Sanford
BACKGROUND: IL-31 is a cytokine that is believed to play an important role in atopic dermatitis (AD). IL-31 levels positively correlate with disease severity in children with AD. Currently, there is no study that has investigated such a correlation in atopic dogs. HYPOTHESIS/OBJECTIVE: The purpose of this study was to evaluate the correlation between IL-31 serum levels and severity of dermatitis. It was hypothesized that a positive correlation exists between severity of AD and circulating levels of IL-31...
October 6, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28977706/dust-mite-induces-multiple-polar-t-cell-axes-in-human-skin
#5
Kunal Malik, Benjamin Ungar, Sandra Garcet, Riana Dutt, Daniel Dickstein, Xiuzhong Zheng, Hui Xu, Yeriel D Estrada, Mayte Suárez-Fariñas, Avner Shemer, James G Krueger, Emma Guttman-Yassky
BACKGROUND: House dust mite/HDM atopy patch test/APT elicits positive reactions in a high fraction of atopic dermatitis/AD and healthy individuals. Experimental systems for new-onset/chronic AD are needed to support rapid therapeutic development, particularly since animal models representing human AD are lacking. While HDM APT has been considered to simulate AD, its suitability to model AD's emerging Th2/Th22 phenotype with Th1 and Th17 components is unknown. OBJECTIVE: To assess whether HDM APT reproduces AD...
October 4, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28887844/house-dust-mite-allergens-der-f-and-der-p-induce-il-31-production-by-blood-derived-t-cells-from-atopic-dermatitis-patients
#6
Krisztina Szegedi, Amanda van Lier, Pieter C Res, Saskia Chielie, Jan D Bos, Sanja Kezic, Maritza A Middelkamp-Hup, Rosalie M Luiten
No abstract text is available yet for this article.
September 8, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28884988/assessment-of-allergen-specific-ige-by-immunoblotting-method-in-atopic-dermatitis
#7
M R Bonyadi, D Hassanzadeh, N Seyfizadeh, S Borzoueisileh
Background and Objectives. Stimulating the immune system by exposure to various allergens to produce specific IgE has a significant role in the pathogenesis of atopic dermatitis. Identifying disease-causing allergens, prevention of exposure to those allergens, and immunotherapy will play an important role in the treatment of Atopic Disease. The purpose of this study was to determine the common allergens of northwest of Iran in patients with atopic dermatitis that are resistant to treatment. Materials and methods...
September 2017: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28846886/immunomodulatory-effects-induced-by-intramuscular-administration-of-autologous-total-immunoglobulin-g-in-patients-with-atopic-dermatitis
#8
Su-Mi Cho, Myoung-Eun Kim, Byul Kwon, Dong-Ho Nahm
BACKGROUND: Polyvalent human immunoglobulin G (IgG) preparations produced from the plasma pools of healthy blood donors have been used for the treatment of various autoimmune diseases and allergic diseases because of their anti-inflammatory and immunomodulatory effects. We hypothesized that intramuscular administration of autologous total IgG would induce immunomodulatory effects in patients with allergic diseases, based on the clinical efficacy of autologous blood therapy in patients with atopic dermatitis (AD)...
November 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28776792/a-pilot-study-of-the-effect-of-pullulan-conjugated-der-f-2-allergen-specific-immunotherapy-on-canine-atopic-dermatitis
#9
Kouji Kawano, Takuya Mizuno
BACKGROUND: Dermatophagoides farinae is a major and common environmental house dust mite involved in canine atopic dermatitis (CAD). A formulation of recombinant protein Der f 2 is available in Japan for immunotherapy in dogs. HYPOTHESIS/OBJECTIVES: To evaluate the efficacy of a recombinant allergen based on Der f 2-pullulan for the treatment of cAD. METHODS: Dogs (n = 15) with atopic dermatitis were administered Der f 2 conjugated with pullulan (-P)...
August 4, 2017: Veterinary Dermatology
https://www.readbyqxmd.com/read/28761286/house-dust-mite-sensitization-is-inversely-associated-with-plasma-25-hydroxyvitamin-d3-levels-in-patients-with-severe-atopic-dermatitis
#10
Yong Hyun Jang, Hyun Bo Sim, Sun Young Moon, Weon Ju Lee, Seok-Jong Lee, Meiling Jin, Sang-Hyun Kim, Do Won Kim
BACKGROUND: The relationship between atopic dermatitis (AD) and low vitamin D levels has been studied. Emerging evidence has implicated vitamin D as a critical regulator of immunity, playing a role in both the innate and cell-mediated immune systems. However, the effect of vitamin D on house dust mite (HDM) sensitization in patients with AD has not been established. OBJECTIVE: We investigated the association between vitamin D levels and HDM sensitization according to AD severity...
August 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28741705/house-dust-mites-as-potential-carriers-for-ige-sensitisation-to-bacterial-antigens
#11
Sheron Dzoro, Irene Mittermann, Yvonne Resch, Susanne Vrtala, Marion Nehr, Alexander M Hirschl, Gustav Wikberg, Lena Lundeberg, Catharina Johansson, Annika Scheynius, Rudolf Valenta
BACKGROUND: IgE-reactivity to antigens from gram-positive and negative bacteria is common in patients suffering from respiratory and skin manifestations of allergy, but the routes and mechanisms of sensitisation are not fully understood. The analysis of the genome, transcriptome and microbiome of house dust mites (HDM) has shown that S. aureus and E. coli species are abundant bacteria within the HDM microbiome. Therefore, our aim was to investigate if HDM are carriers of bacterial antigens leading to IgE sensitisation in patients suffering from atopic dermatitis...
July 25, 2017: Allergy
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
#12
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
#13
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
#14
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
#15
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
#16
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...
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
#17
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
#18
MULTICENTER STUDY
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
#19
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
#20
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
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