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Atopic dermatitis and asthma

Stephan Weidinger, Lisa A Beck, Thomas Bieber, Kenji Kabashima, Alan D Irvine
Atopic dermatitis (AD) is the most common chronic inflammatory skin disease, with a lifetime prevalence of up to 20% and substantial effects on quality of life. AD is characterized by intense itch, recurrent eczematous lesions and a fluctuating course. AD has a strong heritability component and is closely related to and commonly co-occurs with other atopic diseases (such as asthma and allergic rhinitis). Several pathophysiological mechanisms contribute to AD aetiology and clinical manifestations. Impairment of epidermal barrier function, for example, owing to deficiency in the structural protein filaggrin, can promote inflammation and T cell infiltration...
June 21, 2018: Nature Reviews. Disease Primers
Ciao-Lin Ho, Lu-I Chang, Wei-Fong Wu
BACKGROUND: Despite the advance in the understanding of etiology, pathophysiology and diagnosis of atopic dermatitis (AD), its prevalence has increased annually in Taiwan. PURPOSES: The purpose of this study is to explore the prevalence, and personal and environmental risk factors of AD. METHODS: A cross-sectional survey was conducted via health centers of elementary schools in Taipei city. We used the Chinese version of ISAAC questionnaire to examine possible personal and environmental risk factors of AD...
June 1, 2018: Pediatrics and Neonatology
Juan Manuel Leyva-Castillo, Juhan Yoon, Raif S Geha
BACKGROUND: Serum IL-22 levels are elevated in atopic dermatitis (AD), which commonly precedes asthma in the atopic march. Epicutaneous (EC) sensitization in mice results in Th2-dominated skin inflammation that mimics AD, and sensitizes the airways for antigen challenge-induced allergic inflammation characterized by the presence of both eosinophils and neutrophils. EC sensitization results in elevated serum levels of IL-22. OBJECTIVE: To determine the role of IL-22 in antigen-driven airway allergic inflammation following inhalation challenge in EC sensitized mice...
June 16, 2018: Journal of Allergy and Clinical Immunology
Chang-Ching Wei, Cheng-Li Lin, Te-Chun Shen, An-Chyi Chen
The association between migraine and allergy has remained a subject of debate for more than a century. To systemically investigate the interaction between children with antecedent allergic diseases and their future risks of migraine on reaching school age, we recruited 16,130 children aged 7-18 with migraine diagnosed between 2000 and 2008, and 64,520 matched controls without a history of migraine. The ORs of migraine were calculated for the association with allergic diseases diagnosed before migraine diagnosis...
June 14, 2018: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
Souheil Hallit, Chantal Raherison, Diana Malaeb, Rabih Hallit, Nelly Kheir, Pascale Salameh
OBJECTIVE: To create an allergic disease risk factors scale score that would screen for the risk assessment of asthma, allergic rhinitis and atopic dermatitis in children from 3-17 years. METHODS: This case-control study, conducted between December 2015 and April 2016, enrolled 1274 children. The allergic disease risk factors scale was created by combining environmental, exposure to toxics during pregnancy and breastfeeding and parental history of allergic diseases...
June 7, 2018: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
Amy Huang, Christine Cho, Donald Y M Leung, Kanwaljit Brar
Therapeutic regimens for the treatment and long-term management of AD traditionally had a two-fold objective of decreasing skin inflammation and repairing the defective skin barrier. Essential treatments for AD in children should include topical moisturizers for skin hydration and prevention of flares, topical anti-inflammatory medications (e.g. corticosteroids, calcineurin inhibitors, PDE4 inhibitor), allergen/irritant avoidance, and treatment of skin infections. Treatment regimens should be severity-based, and implemented in a stepwise approach tailored to the individual patient...
September 2017: Current Treatment Options in Allergy
Madelene W Dahlgren, Ari B Molofsky
Group 2 innate lymphoid cells (ILC2) are a subset of innate lymphocytes that responds to local, tissue-derived signals and initiates allergic immune responses. ILC2 activation promotes the recruitment of eosinophils, polarization of alternatively activated macrophages, and tissue-remodeling, processes associated with the 'weep and sweep' response to helminthic worm colonization and infection. ILC2s also coordinate both physiologic and pathologic type 2 allergic immune responses, including promoting normal tissue development and remodeling and driving allergic pathology such as atopic dermatitis and allergic asthma...
May 31, 2018: Current Opinion in Immunology
Satoshi Honjo, Yoko Murakami, Hiroshi Odajima, Yuichi Adachi, Koichi Yoshida, Yukihiro Ohya, Akira Akasawa
BACKGROUND: Atopic dermatitis (AD) and exercise-induced asthma (EIA) are common in asthmatic children, and exercise is the most common trigger other than infection for acute onset asthma attack in children. We examined whether AD is related to exercise-induced wheezing (EIW), some proxy for EIA. METHODS: Japanese version of the International Study of Asthma and Allergies in Childhood questionnaires were used. For 12,405 asthmatic school children, AD was defined as itchy rash coming and going for at least 6 months at any time in the last 12 months with affecting places of flexural parts of body, and severity of AD was rated according to frequency of being kept awake at night with the itch as follows: never in the past 12 months, less than one night per week and one or more nights per week...
May 29, 2018: Allergology International: Official Journal of the Japanese Society of Allergology
Risako Tajiki-Nishino, Emi Makino, Yuko Watanabe, Hitoshi Tajima, Makoto Ishimota, Tomoki Fukuyama
Bisphenol A (BPA) is used in various areas of daily life as a major component of plastic products. However, it is also known as a strong endocrine disruptor that affects the human immune system. Studies have indicated that BPA possibly exacerbates allergic diseases such as atopic dermatitis and asthma. The main aim of this study was to elucidate whether BPA is directly involved in the exacerbation of allergic inflammation. Initially, in vivo experiments with mouse models of allergic inflammation induced by Th2 type hapten toluene-2,4-diisocyanate (TDI) was performed...
May 28, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
Mark P C Cherrie, Christophe Sarran, Nicholas J Osborne
The major circulating metabolite of vitamin D (25(OH)D) has been implicated in the pathogenesis for atopic dermatitis, asthma and other allergic diseases due to downstream immunomodulatory effects. However, a consistent association between 25(OH)D and asthma during adulthood has yet to be found in observational studies. We aimed to test the association between 25(OH)D and asthma during adulthood and hypothesised that this association would be stronger in non-atopic participants. Using information collected on the participants of the 1958 birth cohort, we developed a novel measure of atopic status using total and specific IgE values and reported history of eczema and allergic rhinitis...
May 29, 2018: International Journal of Environmental Research and Public Health
Mary Elizabeth Mathyer, Ashley M Quiggle, X F Colin C Wong, Simon L I J Denil, Monique G Kumar, Heather M Ciliberto, Susan J Bayliss, John E Common, Cristina de Guzman Strong
Filaggrin (FLG) loss of function (LOF) variants are a major risk factor for the common inflammatory skin disease, atopic dermatitis (AD), and are often population-specific. African American (AA) children are disproportionately affected with AD, often later developing asthma and/or allergic rhinitis and comprise an atopy health disparity group for which the role of FLG LOF is not well known. Discovery of FLG LOF using exome sequencing is challenging given the known difficulties for accurate short-read alignment to FLG's high homology repeat variation...
May 23, 2018: Experimental Dermatology
Kenichi Mizutani, Sohsuke Yamada, Xin Guo, Chizuru Futatsuya, Motona Kumagai, Akihiro Shioya, Akane Aikawa, Satoko Nakada, Nozomu Kurose, Hiroshi Minato, Takayuki Nojima
BACKGROUND: The occurrence of malignant lymphoma after delivery is an extremely rare event. Although several cases of Hodgkin lymphoma and B cell lymphoma and a few cases of peripheral T cell lymphoma (PTCL) after delivery have been reported, there are no report of autopsy cases of PTCL in the puerperal period. CASE PRESENTATION: A 32-year-old Japanese woman with a past medical history of atopic dermatitis and bronchial asthma presented with generalized eruptions four days after the delivery of her first child; generalized skin induration and lymphadenopathy subsequently emerged...
May 22, 2018: Diagnostic Pathology
Tetyana O Kryuchko, Iryna A Holovanova, Olha Y Tkachenko, Mariya O Melnyk, Kateryna V Pocheniuk
OBJECTIVE: Introduction: According to the European Academy of Allergology and Clinical Immunology (EAACI, 2016), allergy is the most common chronic disease in Europe. The aim: The aim of the investigation is to study the spread of risk factors of allergic reactions in children who are 8-9 years old of Poltava region. PATIENTS AND METHODS: Materials and methods: The investigation included two stages: the 1st contained interviewing; the 2nd one - additional clinical and lab investigation of children, who require the further diagnosis specification...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Katharina J Geh, Madlen Hubert, Gerhard Winter
Oligodeoxynucleotide (ODN)-loaded gelatine nanoparticles (GNPs) have proven their outstanding potential in the treatment of allergic diseases such as equine asthma and canine atopic dermatitis, which are appropriate models for the corresponding human diseases. To encourage the development of a marketable product, long term stability and sterility needs to be ensured. In this work, we aimed to advance freeze-drying options to stabilise ODN-loaded GNPs. Matrix-assisted laser desorption/ionisation mass spectrometry time-of-flight was implemented as a versatile tool to assess ODN stability...
May 16, 2018: European Journal of Pharmaceutics and Biopharmaceutics
Thomas Reinehr, Christian Langrock, Eckard Hamelmann, Thomas Lücke, Cordula Koerner-Rettberg, Martin Holtmann, Tanja Legenbauer, Stephanie Gest, Mirjam Frank, Börge Schmidt, Katharina Radkowski, Karl-Heinz Jöckel
Vitamin D (vitD) is involved in immune regulation, and its receptor has been identified in several tissues including lung, adipose tissue, brain, and skin. Based on these observations, it has been suggested that vitD has an essential role not only in bone metabolism but also in other diseases such as atopic dermatitis (AD), bronchial asthma (BA), attention-deficit/hyperactivity disorder (ADHD), and obesity because the affected tissues express vitD receptors. Furthermore, obesity, AD, and BA are regarded as inflammatory diseases...
April 2018: Nutrition Research
E J Ko, W I Heo, K Y Park, M-K Lee, S J Seo
Thymic stromal lymphopoietin(TSLP) is recognized as key cytokine in T helper type 2 (Th 2) cell differentiation and contributes to the pathogenesis of atopic disease. The TSLP gene on chromosome 5q22.1 and atopic cytokine gene on 5q31 are adjacent to each other. Based on their genetic location, it is suggested that the TSLP gene is involved in the progression or activity of atopic disease. Genetic association studies involving TSLP single nucleotide polymorphisms (SNPs) and allergic rhinitis or asthma in different racial group have yielded disparate and inconsistent results...
May 15, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
Miguel Hernandez, Juan Boj, Enric Espasa, Paloma Planells, Benjamin Peretz
AIM: Molar-incisor hypomineralization is a disturbance in dental development that involves first permanent molars as well as permanent incisors with a prevalence that ranges from 2.5% to 40%. The objective of this study was to investigate the etiology of molar-incisor hypomineralization among school children from two randomly selected towns in the province of Barcelona, Spain. STUDY DESIGN: A cross-sectional study was conducted with 705 children ranging in age from six years-old to 14 years and 11 months-old...
May 15, 2018: Journal of Clinical Pediatric Dentistry
Yi-Yeong Goh, Fazlollah Keshavarzi, Yik Ling Chew
BACKGROUND: Atopic dermatitis (AD) is a chronic relapsing, noncontagious skin inflammation characterized by dry skin and itch. Mutation in filaggrin gene leads to defective skin barrier, allowing entry of allergen and eliciting immunological response. OBJECTIVES: The aims of this study were to investigate the prevalence of AD in Malaysian children and to understand the pattern of drug therapy. Such information could be useful to establish the relationship between ethnicity and family history of atopy and the development of associated signs and symptoms...
May 2018: Dermatitis
T H Zhu, T R Zhu, K A Tran, R K Sivamani, V Y Shi
Atopic dermatitis is a systemic disorder characterized by abnormal barrier function across multiple organ sites. Initial disruption in the skin epidermal barrier permits allergen sensitization and colonization by pathogens. This induces TH 2 inflammatory response and a thymic stromal lymphopoietin mediated pathway that further promotes barrier breakdown at distant sites including the intestinal and respiratory tract. Clinically, atopic dermatitis can progress from skin disease to food allergy, allergic rhinitis, and later asthma, a phenomenon commonly known as the atopic march...
May 15, 2018: British Journal of Dermatology
Raheleh Shokouhi Shoormasti, Mohammad Reza Fazlollahi, Anoshirvan Kazemnejad, Behnoosh Tayebi, Fatemeh Nadali, Maryam Sharif Shoushtari, Shamim Khandan Alamdari, Majid Moslemi, Masoud Movehdi, Adriano Mari, Zahra Pourpak, Mostafa Moin
Allergic sensitization to inhalant allergens could be considered as a predictor in allergic diseases. The objective of this study was to assess IgE-mediated sensitization to inhalant allergens in allergic and non-allergic adults as well as the evaluation of its association with allergic diseases. This cross-sectional study was conducted from 2013 to 2016 in 604 allergic and 102 non-allergic adults selected from blood donor volunteers in Tehran, Iran. After taking informed consent, a standard questionnaire was filled to determine asthma, allergic rhinitis and/or conjunctivitis and atopic dermatitis in participants...
April 2018: Iranian Journal of Allergy, Asthma, and Immunology
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