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Atopic march

Shoichiro Taniuchi, Kazuhiko Soejima, Yasuko Hatano, Masaya Takahashi, Hirotaka Minami
The incidence of atopic diseases, including atopic dermatitis (AD), food allergies, allergic rhinitis, and asthma, has increased in recent decades, and currently affects approximately 20% of the population. Atopic march is the development of AD in infancy and subsequent food allergies, allergic rhinitis, and asthma in later childhood. Patients with infantile eczema may develop typical symptoms of AD, allergic rhinitis, and asthma at certain ages. Some patients' symptoms persist for several years, whereas others may have resolution with aging...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
Adrian J Lowe, Donald Y M Leung, Mimi L K Tang, John C Su, Katrina J Allen
OBJECTIVE: Allergic diseases have increased dramatically in the developed world during the past few decades, yet the understanding of risk factors and effective prevention approaches remain limited. In this review, we summarize the evidence supporting the hypothesis that skin-barrier impairment and early-life atopic dermatitis (AD) could play a causal role in the development of sensitization and subsequent food allergies and allergic airways disease (allergic asthma and rhinitis). We further discuss the potential to target the skin barrier as a means to lower the incidence of allergic disease...
February 2018: Annals of Allergy, Asthma & Immunology
David A Hill, Jonathan M Spergel
No abstract text is available yet for this article.
February 2018: Annals of Allergy, Asthma & Immunology
Elisabet Johansson, Gurjit K Khurana Hershey
No abstract text is available yet for this article.
February 2018: Annals of Allergy, Asthma & Immunology
William W Busse
No abstract text is available yet for this article.
February 2018: Annals of Allergy, Asthma & Immunology
Maxwell M Tran, Malcolm R Sears
No abstract text is available yet for this article.
February 2018: Annals of Allergy, Asthma & Immunology
David A Hill, Jonathan M Spergel
No abstract text is available yet for this article.
February 2018: Annals of Allergy, Asthma & Immunology
Jeng-Dau Tsai, I-Chung Wang, Te-Chun Shen, Cheng-Li Lin, Chang-Ching Wei
Irritable bowel syndrome (IBS) is a chronic functional gastrointestinal disorder affecting a large number of people worldwide. Based on the concept of central sensitization, we conducted a population-based cohort analysis to investigate the risk of IBS in children with atopic dermatitis (AD) as one of the first steps in the atopic march. From 2000 to 2007, 1 20 014 children with newly diagnosed AD and 1 20 014 randomly selected non-AD controls were included in the study. By the end of 2008, incidences of IBS in both cohorts and the AD cohort to non-AD cohort hazard ratios (HRs) and CIs were measured...
January 26, 2018: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
Laure Castan, Marie-Aude Cheminant, Luc Colas, Sophie Brouard, Antoine Magnan, Grégory Bouchaud
BACKGROUND: The mechanisms of the atopic march, characterized by a natural progression from food and cutaneous allergies to rhinitis and asthma, are still unknown. However, as several organs can be involved, chemokines and their receptors might be implicated in this process and may be instrumental factors. OBJECTIVES: We hypothesized that the T-cell gut-homing receptor CCR9 could be implicated in the evolution of allergic diseases. METHODS: We characterized the immune response and the role of CCR9 in a murine model combining food allergy to wheat gliadin and a model of acute airways inflammation in response to house dust mite...
January 9, 2018: Allergy
Julie Deckers, Nadia Bougarne, Viacheslav Mylka, Sofie Desmet, Astrid Luypaert, Michael Devos, Giel Tanghe, Justine Van Moorleghem, Manon Vanheerswynghels, Lode De Cauwer, Jonathan Thommis, Marnik Vuylsteke, Jan Tavernier, Bart Lambrecht, Hamida Hammad, Karolien De Bosscher
Children with atopic dermatitis (AD) show an increased risk to develop asthma later in life, a phenomenon referred to as 'atopic march', which emphasizes the need for secondary prevention therapies. This study aimed to investigate whether relief of skin inflammation by glucocorticoids and PPARγ-agonists might influence the subsequent development of asthma in a murine model for the atopic march in which mice were repeatedly exposed to house dust mite (HDM) via the skin, followed by exposure to HDM in lungs...
December 27, 2017: Journal of Investigative Dermatology
D M Paton
Atopic dermatitis (AD) is one of the most common skin disorders with a prevalence of about 20% in children and affecting adults in significant numbers. Moderate to severe AD significantly impairs a patient's quality of life with severe pruritus as a major issue that impairs sleep and contributes to major psychological disturbances. Detailed studies of its pathogenesis have revealed that immune mechanisms are involved including activation of T helper type 2 cells (Th2). Dupilumab is a fully human Ig4 monoclonal antibody directed against the interleukin-4 receptor subunit α (IL-4Rα) of IL-4 and IL-13 receptors...
September 2017: Drugs of Today
Osamu Natsume, Yukihiro Ohya
Therapeutic strategy in late 20th century to prevent allergic diseases was derived from a conceptual framework of allergens elimination which was as same as that of coping with them after their onset. Manifold trials were implemented; however, most of them failed to verify the effectiveness of their preventive measures. Recent advancement of epidemiological studies and cutaneous biology revealed epidermal barrier dysfunction plays a major role of allergen sensitization and development of atopic dermatitis which ignites the inception of allergy march...
December 7, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
Evelyne Halpert, Elizabeth Borrero, Milciades Ibañez-Pinilla, Pablo Chaparro, Jorge Molina, Maritza Torres, Elizabeth García
Background: Papular urticaria is a chronic inflammatory disease caused by exposure to arthropod bites. The disease has been reported in children attending medical centers, but the causes as the risk factors associated with the disease have not been established. The objective of this study was to determine the prevalence of papular urticaria caused by flea bite and identify the risk factors in children between 1 to 6 years of age in Bogotá D.C, between March 2009 and June 2011. Methods: A cross-sectional, two-stage, clustered study using random probability sampling and stratified with proportional allocation was carried out in children (1-6 years of age) in educational institutions in Bogotá D...
2017: World Allergy Organization Journal
Maxwell M Tran, Diana L Lefebvre, Christoffer Dharma, David Dai, Wendy Y W Lou, Padmaja Subbarao, Allan B Becker, Piush J Mandhane, Stuart E Turvey, Malcolm R Sears
BACKGROUND: The atopic march describes the progression from atopic dermatitis during infancy to asthma and allergic rhinitis in later childhood. In a Canadian birth cohort we investigated whether concomitant allergic sensitization enhances subsequent development of these allergic diseases at age 3 years. METHODS: Children completed skin prick testing at age 1 year. Children were considered sensitized if they produced a wheal 2 mm or larger than that elicited by the negative control to any of 10 inhalant or food allergens...
November 1, 2017: Journal of Allergy and Clinical Immunology
Vicente Navarro-López, Ana Ramírez-Boscá, Daniel Ramón-Vidal, Beatriz Ruzafa-Costas, Salvador Genovés-Martínez, Empar Chenoll-Cuadros, Miguel Carrión-Gutiérrez, José Horga de la Parte, David Prieto-Merino, Francisco M Codoñer-Cortés
Importance: Oral intake of new probiotic formulations may improve the course of atopic dermatitis (AD) in a young population. Objective: To determine whether a mixture of oral probiotics is safe and effective in the treatment of AD symptoms and to evaluate its influence on the use of topical steroids in a young population. Design, Setting, and Participants: A 12-week randomized, double-blind, placebo-controlled intervention trial, from March to June 2016, at the outpatient hospital Centro Dermatológico Estético de Alicante, Alicante, Spain...
January 1, 2018: JAMA Dermatology
Ariadna S Soto, Ignacio M Fenoy, Vanesa R Sanchez, Florencia March, Matías D Perrone Sibilia, María de Los Angeles Aldirico, Mariano S Picchio, Nadia Arcon, Patricio L Acosta, Fernando P Polack, Valentina Martin, Alejandra Goldman
Serine-proteases are important players in the pathogenesis of asthma, promoting inflammation and tissue remodeling. It's also known that many serine protease inhibitors display immunomodulatory properties. TgPI-1 is a Toxoplasma gondii protein that exhibits broad spectrum inhibitory activity against serine proteases. In view of the increased prevalence of atopic disorders and the need to develop new treatment strategies we sought to investigate the potential of TgPI-1 for treating respiratory allergies. For this purpose, we developed a therapeutic experimental model...
2017: PloS One
Zelma C Chiesa Fuxench
Multiple risk factors have been associated with the development of atopic dermatitis (AD). Recent advances in understanding the role of genetics in this disease have been made, with discovery of the filaggrin (FLG) gene as the most notable so far. In addition to FLG gene mutations as a risk factor for AD, a positive family history of atopic or allergic disease in either parent, has been shown to confer a greater risk of developing AD. Atopic dermatitis usually presents early in life and is thought to represent the initial-step in the "atopic march" which is characterized by the development of other atopic diseases later in life such as asthma, allergic rhinitis and/or rhinoconjunctivitis, food allergies and hay fever...
2017: Advances in Experimental Medicine and Biology
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
Julia Fritz, Diana Lerner, Mariko Suchi
Herpes simplex virus (HSV) is a common cause of infectious esophagitis. The aim of this retrospective study is to identify comorbid and predisposing conditions and sequelae of HSV esophagitis in immunocompetent children. We reviewed sixteen cases of HSV esophagitis diagnosed from January, 1982 to March, 2016. Five patients were immunosuppressed, 11 were immunocompetent and included in the study. Three (27%) had no other significant medical history. Five patients (45%) had repeat biopsies following their HSV infection which showed eosinophilic infiltrate consistent with current diagnostic criteria of eosinophilic esophagitis (EoE), one of whom had known EoE...
September 20, 2017: Journal of Pediatric Gastroenterology and Nutrition
Huey-Huey Chua, Hung-Chieh Chou, Ya-Ling Tung, Bor-Luen Chiang, Chien-Chia Liao, Hong-Hsing Liu, Yen-Hsuan Ni
BACKGROUND & AIMS: Dysbiosis of the intestinal microbiota has been associated with development of allergies in infants. However, it is not clear what microbes might contribute to this process. We investigated what microbe(s) might be involved in analyses of infant twins and mice. METHODS: We studied fecal specimens prospectively in a twin cohort (n=30) and age-matched singletons (n=14) born at National Taiwan University Children's Hospital, Taipei, Taiwan, from April 2011 to March 2013...
September 11, 2017: Gastroenterology
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