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https://www.readbyqxmd.com/read/29222945/children-with-atopic-dermatitis-may-have-unacknowledged-contact-allergies-contributing-to-their-skin-symptoms
#1
Anne Birgitte Simonsen, Jeanne Duus Johansen, Mette Deleuran, Charlotte Gotthard Mortz, Lone Skov, Mette Sommerlund
BACKGROUND: Whether children with atopic dermatitis have an altered risk of contact allergy than children without atopic dermatitis is frequently debated and studies have been conflicting. Theoretically, the impaired skin barrier in AD facilitates the penetration of potential allergens and several authors have highlighted the risk of underestimating and overlooking contact allergy in children with atopic dermatitis. OBJECTIVE: To determine the prevalence of contact allergy in Danish children with atopic dermatitis and explore the problem of unacknowledged allergies maintaining or aggravating the skin symptoms...
December 9, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29222810/monocytes-enhance-neutrophil-induced-blister-formation-in-an-ex-vivo-model-of-bullous-pemphigoid
#2
E de Graauw, C Sitaru, M P Horn, L Borradori, S Yousefi, D Simon, H-U Simon
BACKGROUND: Lesions of bullous pemphigoid (BP), an autoimmune subepidermal blistering disease characterized by the presence of tissue-bound and circulating autoantibodies to hemidesmosomal antigens, harbour a mixed inflammatory cellular infiltrate. In various models, neutrophils, eosinophils, mast cells, monocytes as well as B and T cells have been shown to be involved in the pathogenesis of BP. However, their interactions with and effective role in blister formation remains uncertain...
December 8, 2017: Allergy
https://www.readbyqxmd.com/read/29222629/postinflammatory-hyperpigmentation-epidemiology-clinical-presentation-pathogenesis-and-treatment
#3
REVIEW
Bridget P Kaufman, Taulun Aman, Andrew F Alexis
Postinflammatory hyperpigmentation (PIH) is a reactive hypermelanosis that develops following cutaneous inflammation. Common causes of PIH include intrinsic skin conditions (e.g., acne and eczema) as well as external insults to the skin, such as burn injuries and dermatologic procedures. PIH more commonly occurs in individuals with darker skin, for whom it is often a source of significant psychological distress. Several therapeutic modalities are available for the treatment of PIH, including topical agents, chemical peels, and energy-based devices...
December 8, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/29222519/virtual-screening-for-inhibitors-of-the-human-tslp-tslpr-interaction
#4
Dries Van Rompaey, Kenneth Verstraete, Frank Peelman, Savvas N Savvides, Koen Augustyns, Pieter Van Der Veken, Hans De Winter
The pro-inflammatory cytokine thymic stromal lymphopoietin (TSLP) plays a pivotal role in the pathophysiology of various allergy disorders that are mediated by type 2 helper T cell (Th2) responses, such as asthma and atopic dermatitis. TSLP forms a ternary complex with the TSLP receptor (TSLPR) and the interleukin-7-receptor subunit alpha (IL-7Rα), thereby activating a signaling cascade that culminates in the release of pro-inflammatory mediators. In this study, we conducted an in silico characterization of the TSLP:TSLPR complex to investigate the drugability of this complex...
December 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29222262/pediatric-leukemia-susceptibility-disorders-manifestations-and-management
#5
REVIEW
Lisa J McReynolds, Sharon A Savage
The clinical manifestations of inherited susceptibility to leukemia encompass a wide phenotypic range, including patients with certain congenital anomalies or early-onset myelodysplastic syndrome (MDS) and some with no obvious medical problems until they develop leukemia. Leukemia susceptibility syndromes occur as a result of autosomal dominant, autosomal recessive, or X-linked recessive inheritance, or de novo occurrence, of germline pathogenic variants in DNA repair, ribosome biogenesis, telomere biology, hematopoietic transcription factors, tumor suppressors, and other critical cellular processes...
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29222091/waste-management-informal-recycling-environmental-pollution-and-public-health
#6
Hong Yang, Mingguo Ma, Julian R Thompson, Roger J Flower
With rapid population growth, especially in low-income and middle-income countries, the generation of waste is increasing at an unprecedented rate. For example, annual global waste arising from waste electrical and electronic equipment alone will have increased from 33.8 to 49.8 million tonnes between 2010 and 2018. Despite incineration and other waste treatment techniques, landfill still dominates waste disposal in low-income and middle-income countries. There is usually insufficient funding for adequate waste management in these countries and uptake of more advanced waste treatment technologies is poor...
December 8, 2017: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/29221652/-acyclovir-resistant-perineal-hsv-infection-revealing-chronic-lymphoid-leukaemia
#7
E A Casassa, P Nicol, R Viraben, C Gaudin, C Bulai Livideanu, C Mengelle, L Lamant, F Fortenfant, C Paul, M P Konstantinou
BACKGROUND: Chronic HSV infection is a cause of chronic perineal ulcerations. We report a case of a chronic and refractory HSV infection revealing chronic lymphoid leukaemia. PATIENTS AND METHODS: An 85-year-old woman with an 8-month history of chronic perineal ulcerations was referred to our dermatology department. She had no previous medical history of herpes infection. Skin biopsies ruled out carcinoma but were consistent with HSV infection. A local swab was positive for HSV2...
December 5, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29221590/activit%C3%A3-s-immunomodulatrice-anti-inflammatoire-antiprurigineuse-et-tol%C3%A3-rog%C3%A3-nique-induites-par-i-modulia%C3%A2-un-extrait-issu-de-culture-d%C3%A2-aquaphilus-dolomiae-dans-les-mod%C3%A3-les-pharmacologiques-de-dermatite-atopique-immunomodulatory-anti-inflammatory-anti-pruritus
#8
T Nguyen, N Castex-Rizzi, D Redoulès
Atopic dermatitis (AD) is an inflammatory and pruritic dermatosis of multifactorial origin. Topical steroids are the first line treatment for severe AD however alternatives treatment are increasingly needed. A biological concentrate was elaborated from culture of an Avène aquatic microflora isolate namely Aquaphilus dolomiae. Numerous extracts were evaluated in relevant AD in vitro models with human keratinocytes. Among these extracts, a particular one I-modulia® was found to be remarkable in terms of pharmacological activities: innate immunity modulating by agonizing Toll like receptor (TLR)2, TLR4 and TLR5, induction of anti-microbial peptides, inhibition of cytokines characteristics of T helper (Th)1, Th2 and Th17 responses, inhibition of Protease-activated-receptor (PAR) 2 and Thymic-stromal-lymphopoeitin (TSLP) both being known to be upregulated in pruritus...
January 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29221588/eau-thermale-d%C3%A2-av%C3%A3-ne-et-dermatite-atopique-av%C3%A3-ne%C3%A2-s-thermal-water-and-atopic-dermatitis
#9
D Guerrero, E Garrigue
Atopic dermatitis (AD) is the most frequent disease treated at the Avène hydrotherapy center. Children represent a large part of the population due to the high prevalence of AD in early childhood. Avène thermal spring water (ATSW) has been known for its therapeutic effects since the middle of the 18th century. It has been greatly studied over the last decades, with a comprehensive fundamental, pharmaco-clinical and clinical approach. Cohort studies using the Scoring Atopic Dermatitis (SCORAD) clinical score and the Dermatology Life Quality Index (DLQI) or the Children's Dermatology Life Quality Index [CDLQI]) quality of life scores, allowed to confirm the clinical results obtained from the previous studies...
January 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29221586/dermatite-atop%C3%A3-que-images-h%C3%A3-storiques-historical-images-of-atopic-dermatitis
#10
B Cribier
Atopic dermatitis has been described under many names before the XXth century, and first illustrated in the early XIXth century. This article presents historical images from the first volumes of Robert Willan to the Pratique dermatologique, the first encyclopedy published in 1900. Many accurate clinical descriptions of the disease can be found in the early treaties of dermatology, including the one published by Thomas Carrere in 1740. Since then, Alibert and Rayer in France, Hebra and Neumann in Vienna and Duhring and Fox in the USA illustrated their atlases with spectacular images of adults or children suffering from AD, or from other diseases that might have been considered as eczema infantile...
January 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29221585/physiopathologie-de-la-dermatite-atopique-pathophysiology-of-atopic-dermatits
#11
S Barbarot, H Aubert
Atopic dermatitis is a multifactorial disease due to a combination of genetic and environmental factors. The pathophysiological mechanisms involved in AD are multiple: innate functional abnormality in the skin barrier partly linked to mutations of the filaggrin, a major structural protein of the skin; and genes involved in innate and adaptive immunity; Finally, the model of the hygiene theory has been clarified in recent years: environmental factors alter the diversity of skin and digestive microbiomes, and this diversity seems to play a major role in the development of atopy...
January 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29221182/differential-modulation-of-bax-bcl-2-ratio-and-onset-of-caspase-3-7-activation-induced-by-derivatives-of-justicidin-b-in-human-melanoma-cells-a375
#12
Aljawharah Al-Qathama, Simon Gibbons, Jose M Prieto
Diphyllin and its derivatives are well known cytotoxic natural products structurally related to the anti-cancer drug podophyllotoxin. We here study their structure-activity relationship upon human melanoma cells for first time. To this end, human melanoma A375 cells were incubated with Justicidin B and its 4-methoxylated or 4-glycosylated derivatives to evaluate their selective cytotoxicity and study their effects on cell cycle distribution, caspase activation, apoptosis induction using Annexin V-FITC/PI staining, cell morphology and western blot analysis...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29220875/interleukin-21-receptor-signaling-is-not-critically-required-for-imiquimod-induced-psoriasiform-dermatitis-in-mice
#13
Hee Joo Kim, Sung Hee Kim, Tae-Gyun Kim, Je Yun Park, Minseok Lee, Dae Suk Kim, Min-Geol Lee
Psoriasis is largely mediated by interleukin (IL)-23/ T helper (Th) 17 axis, and IL-21 is a pleiotropic cytokine expressed by Th17 cells. Despite previously reported possible pathogenic roles of IL-21 in human psoriasis, we found that IL-21 receptor (IL-21R) signaling was not crucial for imiquimod-induced psoriatic inflammation, using IL-21R-/- mice. The severity of imiquimod-induced psoriatic manifestation and pro-inflammatory Th17 cytokine levels, IL-17A-producing γδ T cells and CD4+ T cells, and in vitro IL-17A production by γδ T cells after IL-23 stimulation was comparable between wild-type and IL-21R-/- mice...
December 8, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/29220551/consensus-on-the-management-of-patients-with-psoriatic-arthritis-in-a-dermatology-setting
#14
P Gisondi, G Altomare, F Ayala, A Conti, P Dapavo, C De Simone, C Foti, L Idolazzi, E Lubrano, G Malara, A Marchesoni, I Olivieri, A Parodi, K Peris, S Piaserico, C Salvarani, R Scarpa, G Girolomoni
BACKGROUND: Psoriatic arthritis (PsA) is a chronic inflammatory disease associated with psoriasis (PsO). Early diagnosis and prompt therapeutic intervention are crucial for limiting PsA progression and prevention of disability. Dermatologists are in a privileged position to detect early PsA. The management of patients with PsA in the dermatology setting is widely variable. OBJECTIVE: To provide practical recommendations for the management of patients with PsA in the dermatology setting including early diagnosis and treatment...
December 8, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29220543/skin-cancer-prevention-campaign-in-childhood-survey-based-on-3-676-children-in-brazil
#15
Paulo Ricardo Criado, Jorge Ocampo-Garza, Anne Lise Dias, Walter Belda Junior, Nilton Di Chiachio, Aparecida Machado de Moraes, Meire Brasil Parada, Fátima de Oliveira Rabay, Octavio Moraes Junior, Renato Sau Rios, Cristiana Silveira da Silva, Francisco C S Ferreira, Samuel Henrique Mandeulbaum, Cidia Vasconcellos
BACKGROUND AND OBJECTIVES: Primary skin cancer prevention campaigns are essential and more effective among children, not only because of the importance of sun exposure effects during this period, but also because at this age is when individuals are developing behaviors. The Brazilian Society of Dermatology - Regional State of Sao Paulo developed and conducted, the program named "The Sun, Friend of Childhood", a school health education and disease prevention project for children and parents...
December 8, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29220542/safety-and-efficacy-of-apremilast-through-104-weeks-in-patients-with-moderate-to-severe-psoriasis-who-continued-on-apremilast-or-switched-from-etanercept-treatment-findings-from-the-liberate-study
#16
K Reich, M Gooderham, A Bewley, L Green, J Soung, R Petric, J Marcsisin, J Cirulli, R Chen, V Piguet
BACKGROUND: Apremilast, an oral phosphodiesterase 4 inhibitor, has demonstrated efficacy in patients with moderate to severe psoriasis. OBJECTIVE: To evaluate long-term efficacy and safety of apremilast in biologic-naive patients with moderate to severe plaque psoriasis and safety of switching from etanercept to apremilast in the phase 3b LIBERATE trial. METHODS: Two hundred fifty patients were randomized to placebo, apremilast 30 mg BID, or etanercept 50 mg QW through Week 16; thereafter, all patients continued or switched to apremilast through Week 104 (extension phase)...
December 8, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29220540/reflectance-confocal-microscopy-evaluation-of-trichobacteriosis-axilaris
#17
Andrea Combalia, Beatriz Alejo, Susana Puig
We read with great interest the paper by Navarrete-Dechent et al recently published on the Journal of European Academy of Dermatology1 , in which the authors detail the dermoscopic findings of trichobacteriosis and highlight the importance of dermoscopy in these cases. We present the case of a 44-year-old man, who emanated an unpleasant axilary odor during a routine check-up. Close examination of the axillary hair shafts showed soft, brown to yellow irregular masses adherent to the central segment of the hairs, suggesting the diagnosis of trichobacteriosis axilaris (TA)...
December 8, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29220520/gaps-in-workplace-education-for-prevention-of-occupational-skin-disease
#18
Tanya Gupta, Victoria H Arrandale, Irena Kudla, D Linn Holness
Background: Occupational contact dermatitis (OCD) is a common occupational disease. Evidence suggests that education and training are effective prevention strategies. In spite of these known prevention strategies, workers continue to develop OCD. Little is reported regarding the actual training experience of workers. Objective: To examine the training experience of workers with contact dermatitis to identify areas for improvement. Methods: Participants were workers being assessed for contact dermatitis in an occupational health clinic...
December 5, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29220431/in-silico-characterization-of-tandem-repeats-in-trichophyton-rubrum-and-related-dermatophytes-provides-new-insights-into-their-role-in-pathogenesis
#19
Matheus Eloy Franco, Tamires Aparecida Bitencourt, Mozart Marins, Ana Lúcia Fachin
http://comp.mch.ifsuldeminas.edu.br/dtrdb/.
January 1, 2017: Database: the Journal of Biological Databases and Curation
https://www.readbyqxmd.com/read/29220415/effect-of-3d-microstructure-of-dermal-papillae-on-sed-concentration-at-a-mechanoreceptor-location
#20
Trung Quang Pham, Takayuki Hoshi, Yoshihiro Tanaka, Akihito Sano
The feeling of touch is an essential human sensation. Four types of mechanoreceptors (i.e., FA-I, SA-I, FA-II, and SA-II) in human skin signalize physical properties, such as shape, size, and texture, of an object that is touched and transmit the signal to the brain. Previous studies attempted to investigate the mechanical properties of skin microstructure and their effect on mechanoreceptors by using finite element modeling. However, very few studies have focused on the three-dimensional microstructure of dermal papillae, and this is related to that of FA-I receptors...
2017: PloS One
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