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https://www.readbyqxmd.com/read/29764789/eosinophilic-otitis-media-treated-with-anti-ige-monoclonal-antibodies-and-a-bone-conduction-implant
#1
Young Eun Han, Yong Seok Kang, Younhoon Cho, Moo Kyun Park
Eosinophilic otitis media (EOM) are intractable otitis media characterized by highly viscous secretions containing eosinophils in the middle ear. They are resistant to conventional medication and surgery. This condition occurs primarily in patients with bronchial asthma or allergic rhinitis and is often complicated by rhinosinusitis. Systemic and topical steroid therapies are effective treatments. However, long-term steroid therapy is often limited by a high risk of serious adverse effects. The use of topical steroids and otorrhea are bothersome when wearing hearing aids...
April 2018: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29729103/effectiveness-of-omalizumab-in-chronic-spontaneous-urticaria-assessed-with-patient-reported-outcomes-a-prospective-study
#2
Misbah Noshela Ghazanfar, Jesper Grønlund Holm, Simon Francis Thomsen
AIM: To examine the effectiveness of omalizumab (anti-IgE) on symptoms and disease-related quality of life in chronic spontaneous urticaria (CSU), and to identify possible patient specific factors associated with response to omalizumab in patients with antihistamine refractory CSU. METHODS: Six months prospective trial of omalizumab 300 mg every four weeks among patients with CSU from a dermatological university department. The primary outcome was the urticaria activity score in the past week (UAS7) at three months...
May 5, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29714140/omalizumab-in-the-therapy-of-pediatric-asthma
#3
Dimitri Poddighe, Ilaria Brambilla, Amelia Licari, Gian Luigi Marseglia
BACKGROUND: Eosinophilic asthma is driven by Th2 immune response and is usually characterized by the increase of total serum IgE levels and/or specific IgE that express single or multiple allergen sensitization. In such an immune- pathological background, the anti-IgE therapy, namely omalizumab, found its main clinical utility and recommendation to treat severe asthma. OBJECTIVE: in this mini-review, we summarized the most relevant immuno-pathological and clinical evidences supporting the use of omalizumab in the therapy of pediatric asthma, Furthermore, we provided the main practical points for such a therapeutic management...
April 30, 2018: Recent Patents on Inflammation & Allergy Drug Discovery
https://www.readbyqxmd.com/read/29709643/development-of-a-tool-predicting-severity-of-allergic-reaction-during-peanut-challenge
#4
R Sharon Chinthrajah, Natasha Purington, Sandra Andorf, Jaime S Rosa, Kaori Mukai, Robert Hamilton, Bridget Marie Smith, Ruchi Gupta, Stephen J Galli, Manisha Desai, Kari C Nadeau
BACKGROUND: Reliable prognostic markers for predicting severity of allergic reactions during oral food challenges (OFC) have not been established. OBJECTIVE: We sought to develop a predictive algorithm of a food challenge severity score (CSS) to identify those at higher risk for severe reactions to a standardized peanut OFC. METHODS: Medical history and allergy tests were obtained for 120 peanut-allergic participants who underwent double-blind, placebo-controlled food challenges (DBPCFCs)...
April 27, 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29700872/oral-immunotherapy-with-omalizumab-reverses-the-th2-cell-like-program-of-regulatory-t-cells-and-restores-their-function
#5
Azza Abdel-Gadir, Lynda Schneider, Arianna Casini, Louis-Marie Charbonnier, Sara V Little, Timothy Harrington, Dale T Umetsu, Rima Rachid, Talal A Chatila
BACKGROUND: Oral immunotherapy (OIT) successfully desensitizes patients with food allergies, but the immune mechanisms mediating its efficacy remain obscure. OBJECTIVES: We tested the hypothesis that allergen-specific regulatory T (Treg) cell function is impaired in food allergy and is restored by anti-IgE antibody (omalizumab)-supplemented OIT. METHODS: Peanut-specific T effector (Teff) and Treg cell proliferative responses, activation markers and cytokine expression were analyzed by flow cytometry in 13 peanut allergic subjects before the start of omalizumab- supplemented OIT and periodically in some subjects thereafter for up to two years...
April 27, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29693558/s1p%C3%A2-regulates-passive-systemic-anaphylaxis-in-mice-but-is-dispensable-for-canonical-ige-mediated-responses-in-mast-cells
#6
Joseph M Kulinski, Richard L Proia, Elisabeth M Larson, Dean D Metcalfe, Ana Olivera
Mast cells are key players in the development of inflammatory allergic reactions. Cross-linking of the high-affinity receptor for IgE (FcεRI) on mast cells leads to the generation and secretion of the sphingolipid mediator, sphingosine-1-phosphate (S1P) which is able, in turn, to transactivate its receptors on mast cells. Previous reports have identified the expression of two of the five receptors for S1P on mast cells, S1P₁ and S1P₂, with functions in FcεRI-mediated chemotaxis and degranulation, respectively...
April 25, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29686678/immunoglobulin-e-mediated-autoimmunity
#7
REVIEW
Marcus Maurer, Sabine Altrichter, Oliver Schmetzer, Jörg Scheffel, Martin K Church, Martin Metz
The study of autoimmunity mediated by immunoglobulin E (IgE) autoantibodies, which may be termed autoallergy, is in its infancy. It is now recognized that systemic lupus erythematosus, bullous pemphigoid (BP), and chronic urticaria, both spontaneous and inducible, are most likely to be mediated, at least in part, by IgE autoantibodies. The situation in other conditions, such as autoimmune uveitis, rheumatoid arthritis, hyperthyroid Graves' disease, autoimmune pancreatitis, and even asthma, is far less clear but evidence for autoallergy is accumulating...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29672862/aryl-hydrocarbon-receptor-activation-by-diesel-exhaust-particles-mediates-epithelium-derived-cytokines-expression-in-severe-allergic-asthma
#8
Chih-Ming Weng, Chun-Hua Wang, Meng-Jung Lee, Jung-Re He, Hsin-Yu Huang, Ming-Wei Chao, Kian Fan Chung, Han-Pin Kuo
BACKGROUND: Exposure to environmental pollutants promotes Th2 cell responses. Aryl hydrocarbon receptor (AhR) activation aggravates allergic responses. Epithelium-derived thymic stromal lymphopoietin (TSLP), interleukin (IL)-25 and IL-33 are implicated in the dysregulation of Th2 immune responses in severe allergic asthma. METHODS: Bronchial biopsies of 28 allergic severe asthma and 6 mild asthma subjects from highly polluted areas were analyzed for AhR nuclear translocation (NT), cytokine expression and gene activation...
April 19, 2018: Allergy
https://www.readbyqxmd.com/read/29662320/omalizumab-for-severe-asthma-toward-personalized-treatment-based-on-biomarker-profile-and-clinical-history
#9
REVIEW
Farnaz Tabatabaian, Dennis K Ledford
Asthma is a heterogeneous syndrome with numerous underlining molecular and inflammatory mechanisms contributing to the wide spectrum of clinical phenotypes. Multiple therapies targeting severe asthma with type 2 (T2) high inflammation are or soon will be available. T2 high inflammation is defined as inflammation associated with atopy or eosinophilia or an increase in cytokines associated with T-helper 2 lymphocytes. Omalizumab is a humanized anti-IgE monoclonal antibody and the first biologic therapy approved for moderate-severe allergic asthma...
2018: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/29611659/comparison-of-serum-concentrations-of-environmental-allergen-specific-ige-in-atopic-and-healthy-nonatopic-horses
#10
P Wilkołek, W Sitkowski, M Szczepanik, Ł Adamek, M Pluta, I Taszkun, M Gołyński, A Malinowska
Allergic responses in humans, horses and other species are mediated by immunoglobulin E (IgE) antibodies. Serum testing to detect allergen-specific IgE antibodies has been developed for dogs, cats and horses; this allows for the identification of allergens and determination of appropriate allergen- specific immunotherapies. This study compared serum allergen-specific IgE concentrations in atopic and healthy horses. The study was performed on Malopolski breed atopic (n=21) and nonatopic (n=21) clinically healthy horses...
December 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/29601354/phenotypes-endotypes-driven-treatment-in-asthma
#11
Fulvio Braido, Angelica Tiotiu, Krzysztof Kowal, Stefan Mihaicuta, Plamena Novakova, Ipek Kivilcim Oguzulgen
PURPOSE OF REVIEW: Target therapy is the necessary step towards personalized medicine. The definition of asthma phenotypes and underlying mechanisms (endotypes) represent a key point in the development of new asthma treatments. Big data analysis, biomarker research and the availability of monoclonal antibodies, targeting specific cytokines is leading to the rapid evolution of knowledge. In this review, we sought to outline many of the recent advances in the field. RECENT FINDINGS: Several attempts have been made to identify asthma phenotypes, sometimes with contrasting results...
June 2018: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29589263/combination-of-temperature-shift-and-hydrolysate-addition-regulates-anti-ige-monoclonal-antibody-charge-heterogeneity-in-chinese-hamster-ovary-cell-fed-batch-culture
#12
Chen Zheng, Chao Zhuang, Jinyan Qin, Yantian Chen, Qiang Fu, Hui Qian, Tong Wu, Yanchao Wang, Xiang Wu, Nianmin Qi
Charge heterogeneity has been broadly studied as a critical quality attribute during monoclonal antibody (mAb) production that may subsequently affect product stability and biopotency. However, the charge variation distribution is poorly controlled, so methods of more effective control need to be explored. In this study, the combined effects of temperature shift (37-34, 37-32, or 37-30 °C) and hydrolysate addition (0.100 g/L) to culture feed on the charge heterogeneity of anti-IgE mAb were investigated. The results showed that the distribution of charge variation was significantly regulated by the combination of hydrolysate addition with a highly sub-physiological temperature (34 °C)...
March 27, 2018: Cytotechnology
https://www.readbyqxmd.com/read/29551015/anti-ige-therapy-for-allergic-bronchopulmonary-aspergillosis-in-people-with-cystic-fibrosis
#13
REVIEW
Kana R Jat, Dinesh K Walia, Anju Khairwa
BACKGROUND: Cystic fibrosis is an autosomal recessive multisystem disorder with an approximate prevalence of 1 in 3500 live births. Allergic bronchopulmonary aspergillosis is a lung disease caused by aspergillus-induced hypersensitivity with a prevalence of 2% to 15% in people with cystic fibrosis. The mainstay of treatment includes corticosteroids and itraconazole. The treatment with corticosteroids for prolonged periods of time, or repeatedly for exacerbations of allergic bronchopulmonary aspergillosis, may lead to many adverse effects...
March 18, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29518420/basophil-fc%C3%A9-ri-expression-is-linked-to-time-to-omalizumab-response-in-chronic-spontaneous-urticaria
#14
Gustavo Deza, Marta Bertolín-Colilla, Silvia Sánchez, Dulce Soto, Ramon M Pujol, Ramon Gimeno, Ana M Giménez-Arnau
No abstract text is available yet for this article.
March 5, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29512229/the-anti-inflammatory-effect-of-topical-tofacitinib-on-immediate-and-late-phase-cutaneous-allergic-reactions-in-dogs-a-placebo-controlled-pilot-study
#15
Amanda Blubaugh, Daniel Rissi, Deborah Elder, Tara Denley, Sitka Eguiluz-Hernandez, Frane Banovic
BACKGROUND: Topical Janus kinase (JAK) inhibition is a promising therapeutic target for several inflammatory skin diseases of humans. OBJECTIVES: To evaluate the anti-inflammatory effect of tofacitinib, a JAK 1/3 inhibitor, on immediate and late-phase skin reactions in dogs. ANIMALS: Five healthy laboratory beagle dogs. METHODS: Topical tofacitinib (total daily dosage: 0.5 mg/cm2 ) or its gel vehicle were applied on either the left or right lateral thorax of each dog for eight days...
March 6, 2018: Veterinary Dermatology
https://www.readbyqxmd.com/read/29490771/interleukin-33-and-interleukin-4-regulate-interleukin-31-gene-expression-and-secretion-from-human-laboratory-of-allergic-diseases-2-mast-cells-stimulated-by-substance-p-and-or-immunoglobulin-e
#16
Anastasia I Petra, Irene Tsilioni, Alexandra Taracanova, Alexandra Katsarou-Katsari, Theoharis C Theoharides
BACKGROUND: Cytokine interleukin (IL) 31 has emerged as an important component of allergic and inflammatory diseases associated with pruritus, such as atopic dermatitis (AD) and mastocytosis. Mast cells (MC) are stimulated by allergic and nonallergic triggers, and play a critical role in such diseases by secreting histamine and tryptase as well as cytokines and chemokines. IL-33 has been reported to augment MC responses, but its effect on secretion of IL-31 is not known. OBJECTIVES: To investigate whether IL-33 can stimulate the secretion of IL-31 from cultured human MCs and whether this response is augmented by either the neuropeptide substance P (SP) or immunoglobulin E (IgE) and anti-IgE in the absence or presence of IL-4...
March 1, 2018: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/29466963/pediatric-severe-asthma-a-case-series-report-and-perspectives-on-anti-ige-treatment
#17
Virginia Mirra, Silvia Montella, Francesca Santamaria
BACKGROUND: The primary goal of asthma management is to achieve disease control for reducing the risk of future exacerbations and progressive loss of lung function. Asthma not responding to treatment may result in significant morbidity. In many children with uncontrolled symptoms, the diagnosis of asthma may be wrong or adherence to treatment may be poor. It is then crucial to distinguish these cases from the truly "severe therapy-resistant" asthmatics by a proper filtering process...
February 21, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29451318/effective-management-of-severe-cutaneous-mastocytosis-in-young-children-with-omalizumab-xolair-%C3%A2
#18
J D M Hughes, T Olynyc, H Chapdelaine, L Segal, B Miedzybrodzki, M Ben-Shoshan
Omalizumab (Xolair® ) is an anti-IgE monoclonal antibody, which may benefit adults with systemic mastocytosis. We report effective treatment with omalizumab in two toddlers with severe diffuse cutaneous mastocytosis. Our cases offer preliminary evidence to support the safe use of omalizumab in paediatric patients with cutaneous mastocytosis.
February 16, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29413515/baseline-serum-cxcl10-and-il-12-levels-may-predict-severe-asthmatics-responsiveness-to-omalizumab
#19
Maho Suzukawa, Hisako Matsumoto, Nobuharu Ohshima, Hiroyuki Tashimo, Isao Asari, Tomoko Tajiri, Akio Niimi, Hiroyuki Nagase, Hirotoshi Matsui, Nobuyuki Kobayashi, Shunsuke Shoji, Ken Ohta
BACKGROUND: Omalizumab, a humanized anti-IgE monoclonal antibody, is the first molecularly targeted drug for severe asthmatics. However, responses to omalizumab vary widely among patients. OBJECTIVES: This study aimed to assess the potential of baseline serum cytokine levels as predictors of responsiveness to omalizumab. METHODS: Thirty-one patients with severe, persistent asthma were enrolled in this study and administered omalizumab for at least 1 year...
January 2018: Respiratory Medicine
https://www.readbyqxmd.com/read/29399789/treatment-response-to-omalizumab-in-patients-with-refractory-chronic-spontaneous-urticaria
#20
Nikolaos Syrigos, Dimitra Grapsa, Maria Zande, Marianna Tziotou, Ekaterini Syrigou
BACKGROUND: Previous clinical trials have demonstrated the efficacy and safety of the anti-IgE monoclonal antibody omalizumab in chronic spontaneous urticaria (CSU) not responding to antihistamine treatment. The primary aim of our study was to describe the response patterns of patients with refractory CSU treated with omalizumab in a real-world clinical setting. METHODS: A retrospective analysis of medical records of 20 patients with refractory CSU was performed...
April 2018: International Journal of Dermatology
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