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https://www.readbyqxmd.com/read/28301691/interleukin-32-is-highly-expressed-in-lesions-of-hidradenitis-suppurativa
#1
R Thomi, D Yerly, N Yawalkar, D Simon, C Schlapbach, R E Hunger
BACKGROUND: Hidradenitis suppurativa (HS) is a chronic inflammatory skin disease. Its immunopathogenic mechanisms are still poorly understood. Previous studies could demonstrate that the pro-inflammatory cytokine Interleukin-32 (IL-32) is implicated in the pathogenesis of other inflammatory diseases. OBJECTIVES: The aim of our study was to investigate the tissue expression and systemic levels of IL-32 as well as its cellular sources in HS patients in comparison to healthy donors and to patients suffering from two other inflammatory skin diseases: psoriasis (PS) and atopic dermatitis (AD)...
March 16, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28296664/histomorphology-and-immunophenotype-of-eczematous-skin-lesions-revisited-skin-biopsies-are-not-reliable-in-differentiating-allergic-contact-dermatitis-irritant-contact-dermatitis-and-atopic-dermatitis
#2
Verena G Frings, Almut Böer-Auer, Kristine Breuer
Lesions of allergic contact dermatitis (ACD), irritant contact dermatitis (ICD), and atopic dermatitis (AD) share similar clinical features and thus, their diagnosis can be challenging. The aim of this study was to reassess histopathology and immunophenotyping properties to distinguish between ACD, ICD, and AD. Charts of patients with eczema, who had undergone complete routine diagnostic workup (skin biopsies, patch tests, skin prick tests, and respectively or serum IgE levels), were reviewed. Thirty-five skin biopsy specimens of 28 patients (mean age 64 ± 15 years; ♀ = 13 ♂ = 15) with clear diagnosis of ACD (n = 15), ICD (n = 6), or AD (n = 14) were analyzed...
March 10, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28290219/2-crisaborole-topical-ointment-for-the-treatment-of-mild-to-moderate-atopic-dermatitis
#3
Alice C Cheape, Dedee F Murrell
Crisaborole 2% topical ointment is an anti-inflammatory, non-steroidal phosphodiesterase 4 inhibitor which is currently under investigation for its potential role in the treatment of atopic dermatitis and psoriasis. Areas covered: So far, 7 trials have been completed in atopic dermatitis. The 2% strength appeared to be the superior dosing regimen. Pruritus improved significantly within one week. The improvements in objective efficacy assessments in crisaborole-treated patients were also statistically significant compared to the vehicle...
March 14, 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28272195/increased-risk-of-stroke-in-contact-dermatitis-patients-a-nationwide-population-based-retrospective-cohort-study
#4
Wei-Lun Chang, Min-Hsien Hsu, Cheng-Li Lin, Po-Chi Chan, Ko-Shih Chang, Ching-Hsiao Lee, Chung-Yi Hsu, Min-Tein Tsai, Chung-Hsin Yeh, Fung-Chang Sung
Dermatologic diseases are not traditional risk factors of stroke, but recent studies show atopic dermatitis, psoriasis, and bullous skin disease may increase the risk of stroke and other cardiovascular diseases. No previous studies have focused on the association between contact dermatitis and stroke.We established a cohort comprised of 48,169 contact dermatitis patients newly diagnosed in 2000-2003 and 96,338 randomly selected subjects without the disorder, frequency matched by sex, age, and diagnosis year, as the comparison cohort...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28266782/systemic-immune-mechanisms-in-atopic-dermatitis-and-psoriasis-with-implications-for-treatment
#5
REVIEW
Emma Guttman-Yassky, James G Krueger, Mark G Lebwohl
Atopic dermatitis (AD) and psoriasis are inflammatory skin diseases that negatively affect patients' quality of life. Although distinctions exist between these diseases, both are characterised by erythematous, thickened epidermal lesions that vary in intensity and affected body surface area. Early models of etiology attributed symptoms of both diseases to cutaneous inflammation at lesion sites, but recent studies have established that activated immune mediators in the circulation drive disease severity. Activation of T helper 2 (Th2) and Th22 cells in the circulation appears to be the principal initiator of acute AD pathology, with the emergence of Th1 and Th17/interleukin (IL)-23 pathway activation marking the transition to a chronic state...
March 7, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28249066/global-skin-disease-morbidity-and-mortality-an-update-from-the-global-burden-of-disease-study-2013
#6
Chante Karimkhani, Robert P Dellavalle, Luc E Coffeng, Carsten Flohr, Roderick J Hay, Sinéad M Langan, Elaine O Nsoesie, Alize J Ferrari, Holly E Erskine, Jonathan I Silverberg, Theo Vos, Mohsen Naghavi
Importance: Disability secondary to skin conditions is substantial worldwide. The Global Burden of Disease Study 2013 includes estimates of global morbidity and mortality due to skin diseases. Objective: To measure the burden of skin diseases worldwide. Data Sources: For nonfatal estimates, data were found by literature search using PubMed and Google Scholar in English and Spanish for years 1980 through 2013 and by accessing administrative data on hospital inpatient and outpatient episodes...
March 1, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28238742/molecular-signatures-order-the-potency-of-topically-applied-anti-inflammatory-drugs-in-patients-with-atopic-dermatitis
#7
Emma Guttman-Yassky, Benjamin Ungar, Kunal Malik, Daniel Dickstein, Maria Suprun, Yeriel D Estrada, Hui Xu, Xiangyu Peng, Margeaux Oliva, Dan Todd, Tord Labuda, Mayte Suarez-Farinas, Robert Bissonnette
BACKGROUND: Atopic Dermatitis (AD) presents a large unmet need for treatments with better safety and efficacy. To facilitate development of topical therapeutics, we need an efficient model for assessing different formulations and concentrations. The "plaque model" has been successfully implemented in psoriasis, another common inflammatory disease, to assess efficacy of topical treatments. This model has not been validated for AD, which has higher placebo responses and less stable lesions than psoriasis...
February 24, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28229452/expression-levels-of-transcription-factor-pu-1-and-interleukin-9-in-atopic-dermatitis-and-their-relation-to-disease-severity-and-eruption-types
#8
Ashraf M Hamza, Salma S Omar, Reham A H Abo El-Wafa, Marwa J Elatrash
BACKGROUND: The role of immunological factors in atopic dermatitis (AD) pathogenesis is well established. T-helper (TH) cells are central in AD pathogenesis. A relatively new subset of T cells, Th9 cells, was shown to be involved in the development of allergic asthma and allergic rhinitis, while its role in AD is still to be investigated. This study aimed to measure gene expression levels of interleukin-9 (IL-9) and PU.1, and to examine relationships with disease severity, serum IgE, and eruption types in AD patients...
February 22, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28213896/filaggrin-loss-of-function-mutations-atopic-dermatitis-and-risk-of-actinic-keratosis-results-from-two-cross-sectional-studies
#9
Y M F Andersen, A Egeberg, E Balslev, C L T Jørgensen, P B Szecsi, S Stender, J Kaae, A Linneberg, G Gislason, L Skov, P M Elias, J P Thyssen
BACKGROUND: Common loss-of-function mutations in filaggrin gene (FLG) represent a strong genetic risk factor for atopic dermatitis (AD). Homozygous mutation carriers typically display ichthyosis vulgaris (IV) and many have concomitant AD. Previously, homozygous, but not heterozygous, filaggrin gene mutations have been associated with squamous cell carcinomas. OBJECTIVE: The first objective was to examine the association between FLG mutations and actinic keratosis (AK)...
February 18, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28196317/common-skin-conditions-in-children-noninfectious-rashes
#10
Brian Z Rayala, Dean S Morrell
Cutaneous adverse drug reactions are among the most common noninfectious rashes of childhood. Cutaneous adverse drug reactions are classified as morbilliform, urticarial, bullous, pustular, or psoriasiform. Atopic dermatitis is one of the most common inflammatory cutaneous eruptions, and is characterized by pruritus and flexural distribution. Emollients and topical corticosteroids are first-line therapies. Topical calcineurin inhibitors are second-line, steroid-sparing drugs for certain conditions, such as face and eyelid eczema...
February 2017: FP Essentials
https://www.readbyqxmd.com/read/28196316/common-skin-conditions-in-children-neonatal-skin-lesions
#11
Brian Z Rayala, Dean S Morrell
Skin findings during the initial month of life are ubiquitous. One study estimated that more than 95% of newborns have cutaneous findings, which often are distressing to parents but frequently are benign and self-limited. Among them are milia, cutis marmorata, congenital dermal melanocytosis, and the benign neonatal pustular eruptions (eg, benign cephalic pustulosis, erythema toxicum neonatorum, transient neonatal pustular melanosis). Clinicians need to recognize these benign skin conditions and differentiate them from more serious conditions, such as infectious pustular eruptions from bacterial, viral, and fungal causes, and inflammatory conditions, such as Langerhans cell histiocytosis...
February 2017: FP Essentials
https://www.readbyqxmd.com/read/28195077/effects-of-air-pollution-on-the-skin-a-review
#12
REVIEW
Poonam Puri, Shashi Kumar Nandar, Sushruta Kathuria, V Ramesh
The increase in air pollution over the years has had major effects on the human skin. Various air pollutants such as ultraviolet radiation, polycyclic aromatic hydrocarbons, volatile organic compounds, oxides, particulate matter, ozone and cigarette smoke affect the skin as it is the outermost barrier. Air pollutants damage the skin by inducing oxidative stress. Although human skin acts as a biological shield against pro-oxidative chemicals and physical air pollutants, prolonged or repetitive exposure to high levels of these pollutants may have profound negative effects on the skin...
February 7, 2017: Indian Journal of Dermatology, Venereology and Leprology
https://www.readbyqxmd.com/read/28191680/friends-or-foes-host-defense-antimicrobial-peptides-and-proteins-in-human-skin-diseases
#13
REVIEW
François Niyonsaba, Chanisa Kiatsurayanon, Panjit Chieosilapatham, Hideoki Ogawa
Host defense peptides/proteins (HDPs), also known as antimicrobial peptides/proteins (AMPs), are key molecules in the cutaneous innate immune system. AMPs/HDPs historically exhibit broad-spectrum killing activity against bacteria, enveloped viruses, fungi and several parasites. Recently, AMPs/HDPs were shown to have important biological functions, including inducing cell proliferation, migration and differentiation; regulating inflammatory responses; controlling the production of various cytokines/chemokines; promoting wound healing; and improving skin barrier function...
February 13, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28190621/the-histopathological-differentiation-between-palmar-psoriasis-and-hand-eczema-a-retrospective-review-of-96-cases
#14
Jun Yeong Park, Eun Byul Cho, Eun Joo Park, Hye Rim Park, Kwang Ho Kim, Kwang Joong Kim
BACKGROUND: The histopathologic differences among palmar psoriasis (PP), hand eczema (HE), and hyperkeratotic hand dermatitis (HHD) have been poorly described. OBJECTIVES: We sought to distinguish among PP, HE, and HHD on a histopathologic basis. METHODS: We retrospectively analyzed the histology of hematoxylin-eosin-stained sections obtained from 96 patients diagnosed with PP, HE, or HHD. RESULTS: The patients were divided into 4 subgroups: PP (n = 16, group A), HE without atopic or nummular dermatitis (n = 41, group B), HE with atopic or nummular dermatitis (n = 14, group C), and HHD (n = 25, group D)...
February 9, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28188596/treatment-adherence-intervention-studies-in-dermatology-and-guidance-on-how-to-support-adherence
#15
REVIEW
Steven R Feldman, Bernard Vrijens, Uwe Gieler, Stefano Piaserico, Lluís Puig, Peter van de Kerkhof
Adequate adherence to prescribed treatment regimens can help to break the cycle of treatment failure, disease progression and subsequent treatment escalation. Unfortunately, adherence in the treatment of skin disorders such as acne, atopic dermatitis/eczema and psoriasis is often inadequate. A review of the literature identified a number of studies that tested an intervention to improve adherence in dermatology, including the following: electronic messages and/or reminders; more frequent or 'extra' clinic visits; audio-visual and internet-based interventions; and patient support programmes and/or self-management, educational training programmes...
April 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28186503/a-novel-dlx3-pkc-integrated-signaling-network-drives-keratinocyte-differentiation
#16
Elisabetta Palazzo, Meghan D Kellett, Christophe Cataisson, Paul W Bible, Shreya Bhattacharya, Hong-Wei Sun, Anna C Gormley, Stuart H Yuspa, Maria I Morasso
Epidermal homeostasis relies on a well-defined transcriptional control of keratinocyte proliferation and differentiation, which is critical to prevent skin diseases such as atopic dermatitis, psoriasis or cancer. We have recently shown that the homeobox transcription factor DLX3 and the tumor suppressor p53 co-regulate cell cycle-related signaling and that this mechanism is functionally involved in cutaneous squamous cell carcinoma development. Here we show that DLX3 expression and its downstream signaling depend on protein kinase C α (PKCα) activity in skin...
February 10, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28178365/development-and-clinical-validation-of-a-novel-photography-based-skin-erythema-evaluation-system-a-comparison-with-the-calculated-consensus-of-dermatologists
#17
M Cho, D-H Lee, E J Doh, Y Kim, J H Chung, H C Kim, S Kim
Erythema is the most common presenting sign of skin conditions [1,2]. Erythema reflects the degree of inflammation associated with various diseases, such as atopic dermatitis, psoriasis, and lupus erythematosus; it is also cosmetically troublesome in subjects with flushing, rosacea, and photoaging [3,4]. In addition, there are vascular disorders that present with erythema, such as nevus flammeus, telangiectasia, and post-acne erythema [5]. Various therapeutic devices, medicines, and cosmetics have been developed to improve these dermatological conditions [6,7]...
February 8, 2017: International Journal of Cosmetic Science
https://www.readbyqxmd.com/read/28162227/angiogenesis-in-dermatology-insights-of-molecular-mechanisms-and-latest-developments
#18
N A Richarz, A Boada, J M Carrascosa
Angiogenesis is the growth of new blood vessels from pre-existing vessels. It is a biological process essential in physiological wound healing or pathological inflammation and tumor growth, which underlies a complex interplay of stimulating and inhibiting signals. Extracellular matrix, cells of innate and adaptive immunity and endothelial cells itself are a major source of angiogenic factors that activate or inhibit specific receptors and consequently influence intracellular signaling pathways. Most inflammatory and neoplastic diseases in dermatology are characterized by excessive angiogenesis, such as psoriasis, atopic dermatitis, as well as melanoma, non-melanoma skin cancer, but also benign vascular neoplasia...
February 2, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28150106/psoriasis-and-atopic-dermatitis
#19
REVIEW
Christopher E M Griffiths, Peter van de Kerkhof, Magdalena Czarnecka-Operacz
Psoriasis and atopic dermatitis are common, chronic inflammatory skin diseases. We discuss several aspects of these disorders, including: risk factors; incidence and prevalence; the complex disease burden; and the comorbidities that increase the clinical significance of each disorder. We also focus on treatment management strategies and outline why individualized, patient-centered treatment regimens should be part of the care plans for patients with either psoriasis or atopic dermatitis. Finally, we conclude that, while our theoretical knowledge of the optimum care plans for these patients is increasingly sophisticated, this understanding is, unfortunately, not always reflected in daily clinical practice...
January 2017: Dermatology and Therapy
https://www.readbyqxmd.com/read/28148916/innate-lymphoid-cells-in-autoimmunity-emerging-regulators-in-rheumatic-diseases
#20
REVIEW
Medya M Shikhagaie, Kristine Germar, Suzanne M Bal, Xavier Romero Ros, Hergen Spits
Innate lymphoid cells (ILCs) are important in the regulation of barrier homeostasis. These cells do not express T cell receptors but share many functional similarities with T helper cells and cytotoxic CD8(+) T lymphocytes. ILCs are divided into three groups, namely group 1 ILCs, group 2 ILCs and group 3 ILCs, based on the transcription factors they depend on for their development and function, and the cytokines they produce. Emerging data indicate that ILCs not only have protective functions but can also have detrimental effects when dysregulated, leading to chronic inflammation and autoimmune diseases, including asthma, inflammatory bowel disease, graft-versus-host disease, psoriasis, rheumatoid arthritis and atopic dermatitis...
March 2017: Nature Reviews. Rheumatology
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