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Th17 IgE

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https://www.readbyqxmd.com/read/28293930/anti-interleukin-9-antibody-increases-the-effect-of-allergen-specific-immunotherapy-in-murine-allergic-rhinitis
#1
Ji Hyeon Shin, Do Hyun Kim, Boo Young Kim, Sung Won Kim, Se Hwan Hwang, Joohyung Lee, Soo Whan Kim
PURPOSE: Interleukin (IL)-9 induces allergic responses; however, the roles of anti-IL-9 antibody in the induction of tolerance remain unclear. This study investigated the effects of anti-IL-9 antibody on oral tolerance (OT) in a mouse model of allergic rhinitis (AR). METHODS: BALB/c mice were divided into 4 groups: the control, AR, OT, and OT with anti-IL-9 antibody (OT+IL9AB) groups. Ovalbumin (OVA) was used for sensitization and challenge. Mice in the OT and OT+IL9AB groups were fed OVA for immunotherapy...
May 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28263381/obesity-promotes-prolonged-ovalbumin-induced-airway-inflammation-modulating-th1-th2-and-th17-immune-responses-in-balb-c-mice
#2
F M C Silva, E E Oliveira, A C C Gouveia, A S S Brugiolo, C C Alves, J O A Correa, J Gameiro, J Mattes, H C Teixeira, A P Ferreira
Clinical and epidemiological studies indicate that obesity affects the development and phenotype of asthma by inducing inflammatory mechanisms in addition to eosinophilic inflammation. The aim of this study was to assess the effect of obesity on allergic airway inflammation and T helper 2 (Th2) immune responses using an experimental model of asthma in BALB/c mice. Mice fed a high-fat diet (HFD) for 10 weeks were sensitized and challenged with ovalbumin (OVA), and analysis were performed at 24 and 48 hours after the last OVA challenge...
March 6, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28134325/basophil-derived-il-6-regulates-th17-cell-differentiation-and-cd4-t-cell-immunity
#3
Chae Min Yuk, Hyeung Ju Park, Bo-In Kwon, Sang Joon Lah, Jun Chang, Ji-Young Kim, Kyung-Mi Lee, Su-Hyung Park, Seokchan Hong, Seung-Hyo Lee
Basophils are rare, circulating granulocytes proposed to be involved in T helper (TH) type 2 immunity, mainly through secretion of interleukin (IL)-4. In addition to IL-4, basophils produce IL-6 and tumor necrosis factor (TNF)-α in response to immunoglobulin E (IgE) crosslinking. Differentiation of TH17 cells requires IL-6 and transforming growth factor (TGF)-β, but whether basophils play a significant role in TH17 induction is unknown. Here we show a role for basophils in TH17 cell development by using in vitro T cell differentiation and in vivo TH17-mediated inflammation models...
January 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28117118/intranasal-azelastine-and-mometasone-exhibit-a-synergistic-effect-on-a-murine-model-of-allergic-rhinitis
#4
Do Hyun Kim, Boo-Young Kim, Ji-Hyeon Shin, Sung Won Kim, Soo Whan Kim
PURPOSE: The purpose of this study was to compare the anti-allergic effects of the combination of azelastine and mometasone with those of either agent alone in a Dermatophagoides farinae (Derf)-induced murine model of allergic rhinitis (AR). MATERIALS AND METHODS: Forty BALB/c mice were divided into five groups: azelastine (A), mometasone (M), a combination of azelastine and mometasone (MA), Derf, and control. Derf served as the allergen. Allergic symptom scores, eosinophil counts, and serum Derf-specific IgE levels were measured...
January 18, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28063040/a-mouse-model-for-atopic-dermatitis-using-topical-application-of-vitamin-d3-or-of-its-analog-mc903
#5
Verena Moosbrugger-Martinz, Matthias Schmuth, Sandrine Dubrac
Atopic dermatitis (AD) is a chronic relapsing inflammatory skin disease with pruritus and high prevalence. Indeed, 15-30 % of children and 2-10 % of adults from industrialized countries are affected. Acute AD lesions are characterized by epidermal hyperplasia associated with a dominant Th2/Th17 immune response and dermal inflammatory infiltrates. Moreover, the expression of alarmins such as TSLP, IL-33, and IL-25 is upregulated in acute AD lesions. Topical application of vitamin D3 or of its low-calcemic analog MC903 induces changes in skin morphology and inflammation resembling immune perturbations observed in acute lesions of patients with AD...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27858144/th9-and-other-il-9-producing-cells-in-allergic-asthma
#6
REVIEW
Sonja Koch, Nina Sopel, Susetta Finotto
Allergic asthma is a worldwide increasing chronic disease of the airways which affects more than 300 million people. It is associated with increased IgE, mast cell activation, airway hyperresponsiveness (AHR), mucus overproduction and remodeling of the airways. Previously, this pathological trait has been associated with T helper type 2 (Th2) cells. Recently, different CD4(+) T cell subsets (Th17, Th9) as well as cells of innate immunity, like mast cells and innate lymphoid cells type 2 (ILC2s), which are all capable of producing the rediscovered cytokine IL-9, are known to contribute to this disease...
November 17, 2016: Seminars in Immunopathology
https://www.readbyqxmd.com/read/27643438/foxp3-tregs-require-wasp-to-restrain-th2-mediated-food-allergy
#7
Willem S Lexmond, Jeremy A Goettel, Jonathan J Lyons, Justin Jacobse, Marion M Deken, Monica G Lawrence, Thomas H DiMaggio, Daniel Kotlarz, Elizabeth Garabedian, Paul Sackstein, Celeste C Nelson, Nina Jones, Kelly D Stone, Fabio Candotti, Edmond H H M Rings, Adrian J Thrasher, Joshua D Milner, Scott B Snapper, Edda Fiebiger
In addition to the infectious consequences of immunodeficiency, patients with Wiskott-Aldrich syndrome (WAS) often suffer from poorly understood exaggerated immune responses that result in autoimmunity and elevated levels of serum IgE. Here, we have shown that WAS patients and mice deficient in WAS protein (WASP) frequently develop IgE-mediated reactions to common food allergens. WASP-deficient animals displayed an adjuvant-free IgE-sensitization to chow antigens that was most pronounced for wheat and soy and occurred under specific pathogen-free as well as germ-free housing conditions...
October 3, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27606627/immunological-profile-in-individuals-with-schistosomal-myeloradiculopathy
#8
Ramon de Almeida Kruschewsky, Luciana Santos Cardoso, Jamille Souza Fernandes, Robson da Paixão de Souza, Diego Mota Lopes, Otavio Augusto Moreno de Carvalho, Maria Ilma Araujo
BACKGROUND: Schistosomal myeloradiculopathy (SMR) is the most serious ectopic presentation of Schistosoma mansoni infection. The pathogenesis occurs mainly via the host inflammatory response to the eggs of the parasite that are stuck in the central nervous system, and the diagnosis is generally made by the exclusion of other neurological diseases. OBJECTIVE: We aimed to evaluate the immune status of SMR patients and to identify a marker for SMR diagnosis. METHODS: We enrolled 15 patients with a presumptive diagnosis of SMR, and the control groups included 17 patients with myelopathy associated with human T cell lymphotropic virus type 1 (HTLV-1) and 11 with other neurological disorders...
2016: Neuroimmunomodulation
https://www.readbyqxmd.com/read/27554822/dedicator-of-cytokinesis-8-deficient-cd4-t%C3%A2-cells-are-biased-to-a-th2-effector-fate-at-the-expense-of-th1-and-th17%C3%A2-cells
#9
Stuart G Tangye, Bethany Pillay, Katrina L Randall, Danielle T Avery, Tri Giang Phan, Paul Gray, John B Ziegler, Joanne M Smart, Jane Peake, Peter D Arkwright, Sophie Hambleton, Jordan Orange, Christopher C Goodnow, Gulbu Uzel, Jean-Laurent Casanova, Saul Oswaldo Lugo Reyes, Alexandra F Freeman, Helen C Su, Cindy S Ma
BACKGROUND: Dedicator of cytokinesis 8 (DOCK8) deficiency is a combined immunodeficiency caused by autosomal recessive loss-of-function mutations in DOCK8. This disorder is characterized by recurrent cutaneous infections, increased serum IgE levels, and severe atopic disease, including food-induced anaphylaxis. However, the contribution of defects in CD4(+) T cells to disease pathogenesis in these patients has not been thoroughly investigated. OBJECTIVE: We sought to investigate the phenotype and function of DOCK8-deficient CD4(+) T cells to determine (1) intrinsic and extrinsic CD4(+) T-cell defects and (2) how defects account for the clinical features of DOCK8 deficiency...
August 20, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27544740/diversity-of-th-cytokine-profiles-in-patients-with-chronic-rhinosinusitis-a%C3%A2-multicenter-study-in-europe-asia-and-oceania
#10
Xiangdong Wang, Nan Zhang, Mingyu Bo Ms, Gabriele Holtappels, Ming Zheng, Hongfei Lou, Hong Wang, Luo Zhang, Claus Bachert
BACKGROUND: To date, no study has evaluated the diversity of TH cell cytokine patterns of patients with chronic rhinosinusitis (CRS) among centers in different continents using identical methods. OBJECTIVE: We sought to assess TH cytokine profiles in patients with CRS from Europe, Asia, and Australia. METHODS: Patients with chronic rhinosinusitis with nasal polyps (CRSwNP) and without nasal polyps (CRSsNP; n = 435) and control subjects (n = 138) were recruited from centers in Adelaide, Benelux, Berlin, Beijing, Chengdu, and Tochigi...
July 15, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27510042/solanum-tuberosum-l-cv-hongyoung-extract-inhibits-2-4%C3%A2-dinitrochlorobenzene%C3%A2-induced-atopic-dermatitis-in-nc-nga-mice
#11
Myung Ah Kang, Se-Young Choung
Solanum tuberosum L. cv Hongyoung (SH) is a widely consumed anthocyanin-rich food and medicinal plant, which possesses anti‑inflammatory and anti‑allergic activities. The present study aimed to examine the inhibitory effects of SH extract on atopic dermatitis (AD)‑like skin lesions induced by the topical application of 2,4‑dinitrochlorobenzene (DNCB) in NC/Nga mice. SH extract was orally administered to the DNCB‑treated NC/Nga mice. The anti‑AD effects of SH extract were examined by measuring symptom severity; ear thickness; scratching behavior; serum levels of immunoglobulin (Ig)E; T‑helper (Th)1, Th2 and Th17 cytokine levels in the spleen; mRNA expression levels of inflammatory cytokines and chemokines; and tissue infiltration of inflammatory cells...
October 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27403198/effects-of-sohamhyoong-tang-on-ovalbumin-induced-allergic-reaction-in-balb-c-mice
#12
So Hyun Jo, Yun Jung Lee, Dae Gill Kang, Ho Sub Lee, Dae Ki Kim, Min Cheol Park
IgE-mediated mast cell degranulation and excessive Th2 cells activation are major features of various allergic diseases. Sohamhyoong-tang has been reported to have anti-inflammatory and antibacterial effects. In this study, we investigated the inhibitory effect of Sohamhyoong-tang extract (SHHTE) on allergic symptoms and inflammatory responses in ovalbumin- (OVA-) sensitized BALB/c mice. The mice were sensitized with OVA and alum at 2-week intervals and then orally given SHHTE for 13 days followed by intradermal OVA injection...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/27350570/dedicator-of-cytokinesis-8-regulates-signal-transducer-and-activator-of-transcription-3-activation-and-promotes-th17%C3%A2-cell-differentiation
#13
Sevgi Keles, Louis Marie Charbonnier, Venkataraman Kabaleeswaran, Ismail Reisli, Ferah Genel, Nesrin Gulez, Waleed Al-Herz, Narayanaswamy Ramesh, Antonio Perez-Atayde, Neslihan E Karaca, Necil Kutukculer, Hao Wu, Raif S Geha, Talal A Chatila
BACKGROUND: The autosomal recessive hyper-IgE syndrome (HIES) caused by dedicator of cytokinesis 8 (DOCK8) deficiency shares clinical features with autosomal dominant HIES because of signal transducer and activator of transcription 3 (STAT3) mutations, including recurrent infections and mucocutaneous candidiasis, which are suggestive of TH17 cell dysfunction. The mechanisms underlying this phenotypic overlap are unclear. OBJECTIVE: We sought to elucidate common mechanisms operating in the different forms of HIES...
November 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27315768/staphylococcal-serine-protease-like-proteins-are-pacemakers-of-allergic-airway-reactions-to-staphylococcus-aureus
#14
Sebastian Stentzel, Andrea Teufelberger, Maria Nordengrün, Julia Kolata, Frank Schmidt, Koen van Crombruggen, Stephan Michalik, Jana Kumpfmüller, Sebastian Tischer, Thomas Schweder, Michael Hecker, Susanne Engelmann, Uwe Völker, Olga Krysko, Claus Bachert, Barbara M Bröker
BACKGROUND: A substantial subgroup of asthmatic patients have "nonallergic" or idiopathic asthma, which often takes a severe course and is difficult to treat. The cause might be allergic reactions to the gram-positive pathogen Staphylococcus aureus, a frequent colonizer of the upper airways. However, the driving allergens of S aureus have remained elusive. OBJECTIVE: We sought to search for potentially allergenic S aureus proteins and characterize the immune response directed against them...
May 10, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27262513/immune-inflammatory-responses-in-atherosclerosis-role-of-an-adaptive-immunity-mainly-driven-by-t-and-b-cells
#15
Dimitry A Chistiakov, Alexander N Orekhov, Yuri V Bobryshev
Adaptive immune response plays an important role in atherogenesis. In atherosclerosis, the proinflammatory immune response driven by Th1 is predominant but the anti-inflammatory response mediated mainly by regulatory T cells is also present. The role of Th2 and Th17 cells in atherogenesis is still debated. In the plaque, other T helper cells can be observed such as Th9 and Th22 but is little is known about their impact in atherosclerosis. Heterogeneity of CD4(+) T cell subsets presented in the plaque may suggest for plasticity of T cell that can switch the phenotype dependening on the local microenvironment and activating/blocking stimuli...
September 2016: Immunobiology
https://www.readbyqxmd.com/read/27226025/th17-cells-in-stat3-related-hyper-ige-syndrome
#16
Sudha Sharma, Biman Saikia, Shubham Goel, Amit Rawat, Ranjana W Minz, Deepti Suri, Seema Chhabra, Surjit Singh
OBJECTIVES: To assess the utility of T helper17 (TH17) cell enumeration vis-à-vis National Institutes of Health (NIH) scoring in Hyper IgE syndrome (HIES). METHODS: Clinical phenotypes of Hyper IgE syndrome patients with and without STAT3 mutation were analysed and correlated with absolute eosinophil count, serum IgE levels and TH17 cell numbers in 19 patients with clinically suspected HIES and compared with healthy controls (n = 20). RESULTS: The difference in serum IgE between patients with and without STAT3 mutation and healthy controls was statistically significant (p < 0...
October 2016: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/27216911/critical-roles-of-adenosine-a2a-receptor-in-regulating-the-balance-of-treg-th17cells-in-allergic-asthma
#17
Linlin Wang, Huanying Wan, Wei Tang, Yingmeng Ni, Xiaoxia Hou, Lina Pan, Yuanlin Song, Guochao Shi
INTRODUCTION: Deficiency of Treg cells and hyperactivity of Th17 cells together are involved in the immunological pathogenesis of asthma. The adenosine A2AR plays a critical role in the increased Foxp3 expression of Treg cells and the decreased Th17 generation. OBJECTIVE: The study aimed to investigate A2AR expression in peripheral blood and its regulatory effect on balance of Treg/Th17 cells in asthma. METHODS: 31 patients with chronic persistent asthma were recruited and divided into 18 intermittent to mild asthma patients, 13 moderate to severe asthma patients...
May 23, 2016: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/27126730/house-dust-mite-derived-chitin-enhances-th2-cell-response-to-inhaled-allergens-mainly-via-a-tnf-%C3%AE-dependent-pathway
#18
Jun Pyo Choi, Sang Min Lee, Hyun Il Choi, Min Hye Kim, Seong Gyu Jeon, Myoung Ho Jang, Young Koo Jee, Sanghwa Yang, Young Joo Cho, Yoon Keun Kim
PURPOSE: Chitin is a potent adjuvant in the development of immune response to inhaled allergens in the airways. According to other studies, chitin is known as multi-faced adjuvants which can induce Th2 responses. Recently, we found that TNF-α is a key mediator in the development of Th2 cell response to inhaled allergens. Here, we evaluated the immunologic mechanisms in the development of airway hypersensitivity to inhaled allergens, enhanced by house dust mite (HDM)-derived chitin. METHODS: The role of TNF-α and TLRs was evaluated in an airway hypersensitivity mouse model induced by a sensitization with an allergen (ovalbumin, OVA) and HDM-derived chitin using mice with the null mutation of target genes...
July 2016: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/27095298/significant-upregulation-of-cytokine-secretion-from-t-helper-type-9-and-17-cells-in-a-nc-nga-mouse-model-of-ambient-chemical-exposure-induced-respiratory-allergy
#19
Risako Nishino, Tomoki Fukuyama, Yuko Watanabe, Yoshimi Kurosawa, Tadashi Kosaka, Takanori Harada
It has been reported that ambient chemical exposure is closely associated with respiratory allergies. We attempted to develop an original protocol for detecting ambient chemical exposure-induced respiratory allergy in different strains of mice. In the process of comparing allergic potency of these mice, we observed that NC/Nga mice showed significant upregulation of respiratory allergic symptoms as well as specific type of cytokine secretions. The main purpose of this study was to investigate the mechanism underlying these phenomena in NC/Nga mice in comparison with BALB/c mice...
July 2016: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/27091139/the-potential-and-limits-of-hematopoietic-stem-cell-transplantation-for-the-treatment-of-autosomal-dominant-hyper-ige-syndrome
#20
Masakatsu Yanagimachi, Takashi Ohya, Tomoko Yokosuka, Ryosuke Kajiwara, Fumiko Tanaka, Hiroaki Goto, Takehiro Takashima, Tomohiro Morio, Shumpei Yokota
PURPOSE: Autosomal dominant hyper-IgE syndrome (AD-HIES) is included among primary immunodeficiencies, and results from heterozygous mutations in the signal transduction and activator of transcription 3 (STAT3) gene. AD-HIES leads to impaired Th17 cell differentiation and IL-17 production, and is associated with increased susceptibility to bacteria and fungi. It was reported that several patients with AD-HIES were treated with hematopoietic stem cell transplantation (HSCT). The efficacy of HSCT in treating AD-HIES is variable...
July 2016: Journal of Clinical Immunology
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