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Atopic dermatitis

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https://www.readbyqxmd.com/read/29344612/association-of-disease-severity-with-skin-microbiome-and-filaggrin-gene-mutations-in-adult-atopic-dermatitis
#1
Maja-Lisa Clausen, Tove Agner, Berit Lilje, Sofie M Edslev, Thor Bech Johannesen, Paal Skytt Andersen
Importance: Skin microbiome correlates with disease severity for lesional and nonlesional skin, indicating a global influence of atopic dermatitis (AD). A relation between skin microbiome and filaggrin gene (FLG) mutations proposes a possible association between skin microbiome and host genetics. Objectives: To assess skin and nasal microbiome diversity and composition in patients with AD and compare with healthy controls, and to investigate the microbiome in relation to disease severity and FLG mutations in patients with AD...
January 17, 2018: JAMA Dermatology
https://www.readbyqxmd.com/read/29343261/prenatal-exposure-to-perfluoroalkyl-and-polyfluoroalkyl-substances-and-childhood-atopic-dermatitis-a-prospective-birth-cohort-study
#2
Qian Chen, Rong Huang, Li Hua, Yifeng Guo, Lisu Huang, Yanjun Zhao, Xia Wang, Jun Zhang
BACKGROUND: Perfluoroalkyl and polyfluoroalkyl substances (PFASs) have been reported to suppress immune function. However, previous studies on prenatal exposure to PFASs and allergic disorders in offspring provided inconsistent results. We aimed to examine the association between prenatal exposure to PFASs and childhood atopic dermatitis (AD) in offspring up to 24 months of age. METHODS: A prospective birth cohort study involving 1056 pregnant women was conducted in two hospitals in Shanghai from 2012 to 2015...
January 17, 2018: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/29342918/abnormal-sphingolipid-world-in-inflammation-specific-for-lysosomal-storage-diseases-and-skin-disorders
#3
REVIEW
Marta Moskot, Katarzyna Bocheńska, Joanna Jakóbkiewicz-Banecka, Bogdan Banecki, Magdalena Gabig-Cimińska
Research in recent years has shown that sphingolipids are essential signalling molecules for the proper biological and structural functioning of cells. Long-term studies on the metabolism of sphingolipids have provided evidence for their role in the pathogenesis of a number of diseases. As many inflammatory diseases, such as lysosomal storage disorders and some dermatologic diseases, including psoriasis, atopic dermatitis and ichthyoses, are associated with the altered composition and metabolism of sphingolipids, more studies precisely determining the responsibilities of these compounds for disease states are required to develop novel pharmacological treatment opportunities...
January 15, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29341310/critical-appraisal-of-the-oxidative-stress-pathway-in-vitiligo-a-systematic-review-and-meta-analysis
#4
REVIEW
R Speeckaert, J Dugardin, J Lambert, H Lapeere, E Verhaeghe, M M Speeckaert, N van Geel
BACKGROUND: The pathogenesis of vitiligo remains a topic of extensive debate. This is partly due to the moderate efficacy of current treatments. The role of oxidative stress pathway in vitiligo is a popular although controversial research topic. OBJECTIVE: To clarify the role of the oxidative stress pathway in vitiligo compared to other inflammatory skin disorders and to assess the therapeutic role of antioxidants. METHODS: We conducted a systematic search of the existing literature on the aberrancies of the oxidative stress pathway in vitiligo...
January 17, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29340756/differential-effect-of-a-patient-education-transition-intervention-in-adolescents-with-ibd-vs-diabetes
#5
Silke Schmidt, Henriette Markwart, Franziska Bomba, Holger Muehlan, Annette Findeisen, Martina Kohl, Ingo Menrath, Ute Thyen
Patient education programs (PEPs) to improve disease management are part of standard and regular treatment in adolescents with diabetes. In Germany, youth with inflammatory bowel disease (IBD) receive individual counseling but not PEPs in group settings. Generic PEPs have been developed in order to improve transition from child-centered to adolescent health services. The aim of the study was to investigate the effects of a transition-oriented PEP on quality of life (QoL) and self-management in young patients with IBD (PEP naive), compared to patients with diabetes (familiar with PEPs)...
January 16, 2018: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29339444/light-hvem-signaling-in-keratinocytes-controls-development-of-dermatitis
#6
Rana Herro, Jr-Wen Shui, Sonja Zahner, Daniel Sidler, Yuko Kawakami, Toshiaki Kawakami, Koji Tamada, Mitchell Kronenberg, Michael Croft
Dermatitis is often associated with an allergic reaction characterized by excessive type 2 responses leading to epidermal acanthosis, hyperkeratosis, and dermal inflammation. Although factors like IL-4, IL-13, and thymic stromal lymphopoietin (TSLP) are thought to be instrumental for the development of this type of skin disorder, other cytokines may be critical. Here, we show that the tumor necrosis factor (TNF) superfamily protein LIGHT (homologous to lymphotoxin, exhibits inducible expression, and competes with HSV glycoprotein D for binding to HVEM, a receptor expressed on T lymphocytes) is required for experimental atopic dermatitis, and LIGHT directly controls keratinocyte hyperplasia, and production of periostin, a matricellular protein that contributes to the clinical features of atopic dermatitis as well as other skin diseases such as scleroderma...
January 16, 2018: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29339259/perturbations-of-the-gut-microbiome-genes-in-infants-with-atopic-dermatitis-according-to-feeding-type
#7
Min-Jung Lee, Mi-Jin Kang, So-Yeon Lee, Eun Lee, Kangjin Kim, Sungho Won, Dong In Suh, Kyung Won Kim, Youn Ho Sheen, Kangmo Ahn, Bong-Soo Kim, Soo-Jong Hong
BACKGROUND: Perturbations of the infant gut microbiota can shape the development of the immune system and link to the risk of allergic diseases. OBJECTIVE: To understand the role of the gut microbiome in atopic dermatitis, the metagenome of the infant gut microbiome was analyzed according to feeding types. METHODS: The composition of gut microbiota was analyzed in fecal samples from 129 infants (6-month-old) by pyrosequencing, including 66 healthy infants and 63 infants with atopic dermatitis...
January 12, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29336013/systematic-review-of-atopic-dermatitis-disease-definition-in-studies-using-routinely-collected-health-data
#8
REVIEW
M P Dizon, A M Yu, R K Singh, J Wan, Mary-Margaret Chren, Carsten Flohr, J Silverberg, D J Margolis, S M Langan, K Abuabara
BACKGROUND: Routinely collected electronic health data (RCD) obtained for administrative and clinical purposes are increasingly used to study atopic dermatitis (AD). Methods for identifying AD patients in RCD differ, and it is unknown how this might affect study results. OBJECTIVES: We sought to evaluate how AD patients have been identified in studies using RCD, to determine whether these methods were validated, and to estimate how the method for identifying AD patients affected variability in prevalence estimates...
January 16, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29335742/stand-alone-emollient-treatment-reduces-flares-after-discontinuation-of-topical-steroid-treatment-in-atopic-dermatitis-a-double-blind-randomized-vehicle-controlled-left-right-comparison-study
#9
Irena Angelova-Fischer, Frank Rippke, Daniel Richter, Alexander Filbry, Craig Arrowitz, Teresa Weber, Tobias W Fischer, Detlef Zillikens
Prevention of flares is a main goal in the long-term treatment of atopic dermatitis (AD). This study investigated the efficacy of a water-in-oil emollient, containing licochalcone A, omega-6-fatty acids, ceramide 3 and glycerol, for prevention of flares in adults with mild to moderately severe AD, who had been treated with topical steroids, which had led to clearing of the inflammatory lesions and had been discontinued prior to inclusion. The study was a 12-week, double-blind, randomized, vehicle-controlled, left-right comparison test with the number of relapses, defined as re-occurrence of erythema for at least 3 consecutive days, considered the primary outcome...
January 16, 2018: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29334143/childhood-alopecia-areata-data-from-the-national-alopecia-areata-registry
#10
Iris Wohlmuth-Wieser, Joyce S Osei, David Norris, Vera Price, Maria K Hordinsky, Angela Christiano, Madeleine Duvic
BACKGROUND/OBJECTIVES: Alopecia areata may occur at any age and is the third-most-common dermatosis in children. The objective of this study was to investigate the clinical and epidemiologic features of children and adolescents with alopecia areata based on the data of the National Alopecia Areata registry on children and adolescents. METHODS: Two thousand two hundred eighteen children and adolescents with alopecia areata self-enrolled in the National Alopecia Areata Registry and completed a web-based, self-administered, short-intake screening questionnaire (first tier)...
January 15, 2018: Pediatric Dermatology
https://www.readbyqxmd.com/read/29332097/is-the-atopy-patch-test-reliable-in-the-evaluation-of-food-allergy-related-atopic-dermatitis
#11
Mahboubeh Mansouri, Elham Rafiee, Sepideh Darougar, Mehrnaz Mesdaghi, Zahra Chavoshzadeh
BACKGROUND: Aeroallergens and food allergens are found to be relevant in atopic dermatitis. The atopy patch test (APT) can help to detect food allergies in children with atopic dermatitis. This study evaluates if the APT is a valuable tool in the diagnostic workup of children with food allergy-related atopic dermatitis. METHODS: 42 children between 6 months and 12 years of age were selected at the Mofid Children Hospital. Atopic dermatitis was diagnosed, and the severity of the disease was determined...
January 13, 2018: International Archives of Allergy and Immunology
https://www.readbyqxmd.com/read/29331617/asthma-predictive-index-in-relation-to-respiratory-mechanics-by-impulse-oscillometry-in-recurrent-wheezers
#12
T Arikoglu, S B Batmaz, D D Yildirim, Ö Tezol, G Bozlu, S Kuyucu
BACKGROUND: The identification of children who will have persistent asthma has become a focus of recent research. The aim of this study was to assess whether impulse oscillometry (IOS) has a diagnostic value to predict modified API (asthma predictive index) in pre-schoolers with recurrent wheezing. METHODS: Pre-school children aged 3-6 years with recurrent wheezing were enrolled. The study population was divided into two groups based on mAPI criteria. Lung function was assessed by IOS...
January 10, 2018: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29331049/prenatal-maternal-psychosocial-stress-and-offspring-s-asthma-and-allergic-disease-a-systematic-review-and-meta-analysis
#13
Catherine Flanigan, Aziz Sheikh, Audrey DunnGalvin, Bronwyn K Brew, Catarina Almqvist, Bright I Nwaru
BACKGROUND: Prenatal maternal stress may influence offspring's atopic risk through sustained cortisol secretion resulting from activation of the hypothalamic-pituitary-axis (HPA), leading to Th2-biased cell differentiation in the fetus. We undertook a systematic review and meta-analysis investigating the relationship between prenatal maternal psychosocial stress and risk of asthma and allergy in the offspring. METHODS: We searched 11 electronic databases from 1960 to 2016, search the grey literature, and contacted experts in the field...
January 13, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29329020/a-novel-mouse-model-of-atopic-dermatitis-that-is-t-helper-2-th2-polarized-by-an-epicutaneous-allergen
#14
Hyun Jung Park, Wahn Soo Choi, Won Young Lee, Youngsok Choi, Chankyu Park, Jin Hoi Kim, Kwon Ho Hong, Hyuk Song
The pathogenesis of atopic dermatitis (AD) involves T helper 2 (Th2) cells, and effective therapies remain elusive due to the paucity of animal models. We aimed to develop a mouse model of an immune system aberration caused by allergen. Experiments were conducted in two phases. In experiment 1, BALB/c mice were sensitized with one of four chemical allergens - toluene diisocyanate (TDI), hexamethylene diisocyanate (HDI), trimellitic anhydride (TMA), or 2,4-dinitrochlorobenzene (DNCB) - for 3 weeks. Based on results of experiment 1, immunological features were compared between TMA-sensitized BALB/c mice and NC/Nga mice, after exposure to mite extracts, harmful chemicals and detergents in experiment 2...
December 29, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29327474/long-term-effects-of-intralymphatic-immunotherapy-ilit-on-canine-atopic-dermatitis
#15
Katrin Timm, Ralf S Mueller, Claudia S Nett-Mettler
BACKGROUND: Subcutaneous allergen immunotherapy (SCIT) is an established and efficacious therapy for canine atopic dermatitis (AD). In humans, intralymphatic immunotherapy (ILIT) was reported to be associated with fewer and less severe adverse effects than subcutaneous allergen immunotherapy and to be efficacious for several years after three intralymphatic injections. OBJECTIVE: To evaluate safety and effects of ILIT in a case series of dogs with (AD). ANIMALS: Fifty one privately owned dogs with AD...
January 12, 2018: Veterinary Dermatology
https://www.readbyqxmd.com/read/29320765/emerging-treatment-options-in-atopic-dermatitis-systemic-therapies
#16
Uffe Nygaard, Christian Vestergaard, Mette Deleuran
The pathogenesis of atopic dermatitis (AD) is multifactorial and intricate, and the clinical presentation of the condition varies greatly. Symptoms and severity depend on individual trigger factors and stage of the disease. The majority of AD patients are sufficiently treated with emollients in combination with existing topical or systemic therapies. Yet treatment failure with existing drugs and treatment options can be a significant clinical problem. New treatments are under development, and the majority of these new drugs focus on targeting a skewed immune response in AD...
January 11, 2018: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/29319277/atopic-dermatitis-treatment-what-s-new-on-the-horizon
#17
Fabrizio Panarese, Matteo Auriemma, Angelo Carbone, Paolo Amerio
Atopic dermatitis (AD) is an inflammatory disorder of the skin characterized by an impaired immune response and skin barrier function. It is very frequent in adult population being present in up to 10% of population. Quality of life is often reduced in AD patients due to disease burden and symptoms like itch. AD is also frequently associated with psychological diseases such as anxiety or depression. Due to its chronic nature and severity of presentation AD often may not respond to topical treatment and requires systemic treatments which can be associated with significant side effects...
February 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29319189/epidemiology-of-atopic-dermatitis-in-adults-results-from-an-international-survey
#18
S Barbarot, S Auziere, A Gadkari, G Girolomoni, L Puig, E L Simpson, D J Margolis, M de Bruin-Weller, L Eckert
BACKGROUND: There are gaps in our knowledge of the prevalence of adult atopic dermatitis (AD). OBJECTIVE: To estimate prevalence of AD in adults and by disease severity. METHODS: This international, cross-sectional, web-based survey was performed in the United States, Canada, France, Germany, Italy, Spain, United Kingdom, and Japan. Adult members of online respondent panels were sent a questionnaire for AD identification and severity assessment; demographic quotas ensured population representativeness for each country...
January 10, 2018: Allergy
https://www.readbyqxmd.com/read/29317821/tacrolimus-nanoparticles-based-on-chitosan-combined-with-nicotinamide-enhancing-percutaneous-delivery-and-treatment-efficacy-for-atopic-dermatitis-and-reducing-dose
#19
Kaiyue Yu, Yixuan Wang, Tao Wan, Yuanhao Zhai, Sisi Cao, Wenyi Ruan, Chuanbin Wu, Yuehong Xu
Background: Topical application of tacrolimus (FK506) was effective in the treatment of atopic dermatitis (AD); however, adverse effects frequently occurred with the increase of FK506 dose during long-term treatment. Objective: The objective of this project was to develop a hybrid skin targeting system encapsulating FK506 based on nicotinamide (NIC) and chitosan nanoparticles (CS-NPs), ie, FK506-NIC-CS-NPs, which took advantages of both of NIC and CS-NPs to obtain the synergetic effects of percutaneous delivery and treatment efficacy enhancement along with dose reduction...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29317281/an-assessment-of-the-use-of-antihistamines-in-the-management-of-atopic-dermatitis
#20
Alice He, Steven R Feldman, Alan B Fleischer
BACKGROUND: Antihistamines are often used to treat pruritus associated with atopic dermatitis (AD) despite lack of evidence for their efficacy. The American Academy of Dermatology does not recommend the general use of antihistamines in the management of AD, although the value of short-term sedating antihistamine use for insomnia secondary to itch is recognized. OBJECTIVE: To assess the use of sedating and non-sedating antihistamines for AD from 2003-2012. METHODS: The National Ambulatory Medical Care Survey (NAMCS) provided data on physician visits from 2003-2012...
January 6, 2018: Journal of the American Academy of Dermatology
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