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Dermatitis Research

05:52 EDT 21st August 2018 | BioPortfolio

Baseline IL22 expression in atopic dermatitis patients stratifies tissue responses to fezakinumab.

IL-22 is potentially a pathogenic cytokine in AD, but molecular effects of IL-22 antagonism have not been defined in humans.

Comparison of radiation dermatitis between hypofractionated and conventionally fractionated postoperative radiotherapy: objective, longitudinal assessment of skin color.

This study aimed to quantitatively compare radiation dermatitis due to hypofractionated (Hypo) and conventionally fractionated (Conv) external-beam radiotherapy in patients who underwent postoperative radiotherapy after breast-conserving surgery. Skin color changes, in terms of L* (brightness, white-black), a* (red-green), and b* (yellow-blue) values, due to external-beam radiotherapy were examine...

Clinical characteristics of exogenous progestogen hypersensitivity.

Autoimmune progesterone dermatitis is a rare disease characterized by eruption recurrence in the luteal phase of each menstrual cycle. As synthetic progesterones are increasingly used for assisted reproductive techniques (ARTs) for infertility or prevention of abortion, cases of dermatitis caused by exogenous progesterone have been reported.

Keratinocyte expression of A20/TNFAIP3 controls skin inflammation associated with atopic dermatitis and psoriasis.

Keratinocytes are key players in chronic inflammatory skin diseases. A20 regulates NF-κB-dependent expression of pro-inflammatory genes and cell death, but the impact of its expression in keratinocytes on systemic inflammation and skin disorders has not been determined. Comparative transcriptomic analysis of micro-dissected epidermis showed that A20 is downregulated in involved epidermis, but not...

Clinical and histopathological features of Burkholderia cepacia complex dermatitis in dogs: a series of four cases.

The Burkholderia cepacia complex (Bcc) is an emerging cause of opportunistic infections. Deep pyoderma associated with Bcc infection has been reported previously in dogs receiving ciclosporin.

The use of methotrexate for treating childhood atopic dermatitis: A multicenter retrospective study.

Atopic dermatitis is a chronic inflammatory skin disease. Methotrexate is an off-label systemic agent for treating uncontrolled atopic dermatitis.

Association between Atopic Dermatitis and the Metabolic Syndrome: A Systematic Review.

Atopic dermatitis (AD) may be associated with the metabolic syndrome and by that carry an increased risk of cardio-vascular disease. Our objective was to provide an update on current knowledge of the association between AD and metabolic syndrome, including each component of the metabolic syndrome. A systematic literature review was performed to identify studies investigating the association betwee...

Psoriasis dermatitis: an overlap condition of psoriasis and atopic dermatitis in children.

Some children present with a so-called overlap condition with clinical features of both psoriasis and atopic dermatitis (AD), previously described as 'psoriasis dermatitis'(PD). Though its existence is not questioned in literature, only one study demonstrated clinical characteristics of children with coexisting psoriasis and AD, and its course over time has not been described so far. We conducted ...

Chemical-induced contact allergy: from mechanistic understanding to risk prevention.

Chemical allergens are small molecules able to form a sensitizing complex once they bound to proteins. One of the most frequent manifestations of chemical allergy is contact hypersensitivity, which can have serious impact on quality of life. Allergic contact dermatitis is a predominantly CD8 + T cell-mediated immune disease, resulting in erythema and eczema. Chemical allergy is of considerable...

The Allergy Alert Test: Introduction of a Protocol Suitable to Provide an Alert Signal in p-Phenylenediamine-Allergic Hair Dye Users.

Contact dermatitis to hair dyes remains a health concern. Regulations in many countries require consumer self-testing for hair dyes, but no standardized procedure exists.

Peptide nucleic acid-probe based analysis to detect filaggrin mutations in atopic dermatitis patients.

Atopic dermatitis (AD) is a chronic inflammatory skin disease whose prevalence is increasing worldwide. Filaggrin (FLG) is essential for the development of the skin barrier, and its genetic mutations are major predisposing factors for AD. In this study, we developed a convenient and practical method to detect FLG mutations in AD patients using peptide nucleic acid (PNA) probes labeled with fluores...

Association of atopic dermatitis with allergic, autoimmune and cardiovascular comorbidities in US adults.

Content and construct validity, predictors and distribution of self-reported atopic dermatitis severity in US adults.

Dupilumab does not affect correlates of vaccine-induced immunity: a randomized, placebo-controlled trial in adults with moderate-to-severe atopic dermatitis.

The impact of dupilumab, an anti-interleukin (IL)-4Rα antibody that inhibits IL-4/IL-13 signaling, on vaccine responses in atopic dermatitis (AD) patients is unknown.

Dupilumab use in allergic contact dermatitis.

Lactobacillus plantarum-derived Extracellular Vesicles Protect Atopic Dermatitis Induced by Staphylococcus aureus-derived Extracellular Vesicles.

The microbial environment is an important factor that contributes to the pathogenesis of atopic dermatitis (AD). Recently, it was revealed that not only bacteria itself but also extracellular vesicles (EVs) secreted from bacteria affect the allergic inflammation process. However, almost all research carried out so far was related to local microorganisms, not the systemic microbial distribution. We...

Alitretinoin: An Update of Real-World Evidence in The Management of Chronic Hand Dermatitis.

Chronic hand dermatitis is a debilitating inflammatory dermatosis that has a significant impact on the quality of life of those affected. Alitretinoin is an oral retinoid which has proven efficacy and safety in the treatment of chronic hand dermatitis through randomized controlled trials. Real-world evidence, information gathered in the clinic or community setting, as opposed to a research environ...

A differential diagnosis for annular lesions: contact dermatitis to transdermal rivastigmine patches.

Association of toll-like receptor 5 polymorphisms (rs5744174 and rs851139) and eczema: a pilot birth cohort study in Hong Kong newborn babies.

Etiology of Hypomineralized Second Primary Molars: A Prospective Twin Study.

The etiology of hypomineralized second primary molars (HSPM) is unclear, but genetic and environmental factors have been proposed. The aim of this study was to investigate the relative contribution of genes and environment to the etiology of HSPM and to identify potential environmental risk factors in a longitudinal twin cohort. Children from twin pregnancies ( N = 250) were recruited antenatally,...

Induced pluripotent stem cell line from an atopic dermatitis patient heterozygous for c.2282del4 mutation in filaggrin: KCLi001-A.

We have generated an induced pluripotent stem cell (iPSC) line KCLi001-A (iOP118) from a female atopic dermatitis (AD) patient, heterozygous for the loss-of-function mutation c.2282del4 in the filaggrin gene (FLG). Epidermal keratinocytes were reprogrammed using non-integrating Sendai virus vectors. The entire process of derivation and expansion of AD-iPSCs were performed under xeno-free culture c...

Temporal Variation of Staphylococcus aureus clonal complexes in Atopic Dermatitis - a follow up study.

A strong link between disease severity and S. aureus colonization of the skin has been reported in patients with atopic dermatitis (AD). In the present study, temporal variations in S. aureus colonization and S. aureus CC-type in AD patients are examined, and linked to disease severity, skin barrier properties and filaggrin (FLG) gene mutations.

Real-life study of anti-itching effects of a cream containing menthoxypropanediol, a trpm8 agonist, in atopic dermatitis patients.

The cold-sensitive transient receptor potential melastatin-8 (TRPM8) ion channel has an inhibitory effect on pruritus (1). Menthoxypropanediol is a TRPM8 agonist that is effective in chronic itch(2). In a first study(2), patients with atopic dermatitis were grouped together with other patients suffering from chronic pruritus. This article is protected by copyright. All rights reserved.

Updated guidelines on peanut allergy prevention in infants with atopic dermatitis.

Diagnostic utility of skin autofluorescence when patch test results are doubtful.

The standard diagnostic test for allergic contact dermatitis is the patch test, which can also be used to identify irritant contact dermatitis. Doubtful reactions (?+) can be often clinically relevant to individuals and can require additional tests.

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