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https://www.readbyqxmd.com/read/29673776/topical-janus-kinase-inhibitors-a-review-of-applications-in-dermatology
#1
REVIEW
Anna-Marie Hosking, Margit Juhasz, Natasha Atanaskova Mesinkovska
BACKGROUND: Janus kinase inhibitors (JAKi) have attracted attention for their role in treating inflammatory disorders. This new class of biologics has the potential to significantly impact the field of dermatology, especially with the development of topical formulations. OBJECTIVE: To summarize published evidence on the efficacy, safety, and tolerability of topical JAKi in the treatment of inflammatory skin conditions. METHODS: This is a review of PubMed and Cochrane Library up until November 2017...
April 16, 2018: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/29670773/psoriatic-arthritis-and-nail-psoriasis-in-a-patient-with-concomitant-atopic-dermatitis
#2
Gerhard Eichhoff, Noriko Soffi Harun
Coincidence of psoriasis and atopic dermatitis (AD) is considered to be very rare, as a result of the different underlying immunopathology. This case report describes a patient with long history of atopy and AD who developed psoriatic nail changes and psoriatic arthritis (PsA). The patient's skin, however, revealed only eczematous lesions without manifestation of psoriasis.
2018: Case Reports in Dermatological Medicine
https://www.readbyqxmd.com/read/29660300/the-major-orphan-forms-of-ichthyosis-are-characterized-by-systemic-t-cell-activation-and-th-17-tc-17-th-22-tc22-polarization-in-blood
#3
Tali Czarnowicki, Helen He, Alexandra Leonard, Kunal Malik, Shai Magidi, Stephanie Rangel, Krishna Patel, Kara Ramsey, Morgan Murphrey, Teresa Song, Yeriel Estrada, Hue-Chi Wen, James G Krueger, Emma Guttman-Yassky, Amy S Paller
The ichthyoses are rare skin disorders with immune and barrier aberrations. Identifying blood phenotypes may advance targeted-therapeutics.We aimed to compare frequencies of skin homing/CLA+ vs. systemic/CLA- "polar" CD4+ /CD8+ and activated T-cell subsets in ichthyosis vs. atopic dermatitis/AD, psoriasis and control blood, with appropriate clinical correlations. Flow cytometry was used to measure IFN-γ, IL-13, IL-9, IL-17, and IL-22 cytokines in CD4+ /CD8+ T-cells, with ICOS and HLA-DR defining mid- and long-term T-cell activation, respectively...
April 13, 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29653408/a-new-flavonoid-from-stellera-chamaejasme-l-stechamone-alleviated-2-4-dinitrochlorobenzene-induced-atopic-dermatitis-like-skin-lesions-in-a-murine-model
#4
Beom-Geun Jo, No-June Park, Jonghwan Jegal, Sangho Choi, Sang Woo Lee, Hang Jin, Su-Nam Kim, Min Hye Yang
Stellera chamaejasme L. (family Thymelaeaceae), also known as 'Langdu', has been traditionally used to treat of skin-related diseases, such as, psoriasis and skin ulcers. The aim of this study was to identify the biologically active component of S. chamaejasme and evaluate its preventive effects on IL-4 and mast cell degranulation in RBL-2H3 cells and on the development of atopic dermatitis (AD) in 2,4-dinitrochlorobenzene (DNCB)-treated SKH-1 hairless mice. A novel flavonoid, genkwanin 5-O-xylosyl(1 → 2)glucoside (named stechamone), and three known compounds (umbelliferone, luteolin, and luteolin-7-O-glucoside) were isolated from the aerial parts of S...
April 10, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29645380/s1-guidelines-dermatoses-associated-with-dermal-lymphostasis
#5
Joachim Dissemond, Finja Jockenhöfer, Anya Miller, Günter Kurzhals, Shahrouz Noori, Stefanie Reich-Schupke, Martin Schlaeger, Erich Schubert, Markus Stücker, Tobias Weberschock, Hans Wilfried Jungkunz
The objective of the present S1 guidelines is to present current knowledge about dermatologically relevant diseases associated with localized dermal lymphostasis, thus facilitating their early detection, diagnostic workup, and targeted treatment. Whenever possible, treatment should be based on stage-appropriate and clearly defined algorithms. The numerous issues regarding differential diagnosis and treatment clinicians are confronted with in everyday clinical practice seem to warrant the publication of up-to-date guidelines...
April 2018: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/29642409/squamous-cell-carcinoma-antigen-2-scca2-serpinb4-an-emerging-biomarker-for-skin-inflammatory-diseases
#6
REVIEW
Kenji Izuhara, Yukie Yamaguchi, Shoichiro Ohta, Satoshi Nunomura, Yasuhiro Nanri, Yoshinori Azuma, Noriko Nomura, Yasuhiko Noguchi, Michiko Aihara
Squamous cell carcinoma antigens 1 and 2 (SCCA1 and 2, SERPIN B3 and B4), members of the ovalbumin serpin (ov-serpin)/clade B serpin family, were originally discovered as tumor-specific antigens and are used as tumor markers for various kinds of squamous cell carcinomas. Recently, our understanding of the underlying mechanisms of how SCCA1/2 enhance tumor growth has greatly increased. Moreover, it has been shown that SCCA1/2 are involved in the pathogenesis of several inflammatory diseases: asthma, psoriasis, and atopic dermatitis (AD)...
April 6, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29626322/a-scoping-review-protocol-to-explore-the-use-of-interleukin-1-targeting-drugs-for-the-treatment-of-dermatological-diseases-indications-mechanism-of-action-efficacy-and-safety
#7
REVIEW
Francisco Gómez-García, Juan Ruano, Jesús Gay-Mimbrera, Macarena Aguilar-Luque, Juan L Sanz-Cabanillas, José L Hernández Romero, Antonio Velez Garcia-Nieto
INTRODUCTION: The interleukin (IL)-1 pathway has been identified as being involved in inflammatory and neoplastic skin diseases such as psoriasis, atopic dermatitis, neutrophilic dermatosis, melanoma, and squamous cell carcinoma. Drugs developed to target the IL-1 pathway are currently used to treat these pathologies, and although they are becoming more selective, they are not exempt from adverse events and high costs. Integrating the best research evidence with clinical experience and patient needs has been shown to improve care, health, and cost outcomes...
April 6, 2018: Dermatology and Therapy
https://www.readbyqxmd.com/read/29593534/east-indian-sandalwood-oil-is-a-phosphodiesterase-inhibitor-a-new-therapeutic-option-in-the-treatment-of-inflammatory-skin-disease
#8
Manju Sharma, Corey Levenson, John C Browning, Emily M Becker, Ian Clements, Paul Castella, Michael E Cox
Cyclic adenosine monophosphate phosphodiesterases (PDEs) regulate pro-inflammatory cytokine production. One isoform, PDE4, is overactive in chronic relapsing inflammatory skin diseases: psoriasis and eczema/atopic dermatitis, and in several cancers. East Indian sandalwood oil (EISO) has significant anti-inflammatory properties. Here, we report that 75% of pediatric eczema/atopic dermatitis patients treated with topical EISO formulations achieved a >50% reduction in their Eczema Area and Severity Index score...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29589537/the-role-of-host-defense-peptide-human-%C3%AF-defensins-in-the-maintenance-of-skin-barriers
#9
Chanisa Kiatsurayanon, Hideoki Ogawa, Francois Niyonsaba
The epidermis functions as a first-line defense barrier that protects the body from the external environment. As a chemical hindrance, the epidermis possesses acidic pH, highly organized lipids and various host defense peptides, also known as antimicrobial peptides. Human -defensins (hBDs), one of the most important host defense peptide families found in our skin, are well-known for their broad-spectrum microbicidal activities. However, there is a growing body of evidence indicating that hBDs also orchestrate several immunomodulatory functions and are the cornerstone that bridges the innate and adaptive immune responses during skin inflammation and infection...
March 27, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29580430/hydroxyethyl-methacrylate-grafted-carboxy-methyl-tamarind-cmt-g-hema-polysaccharide-based-matrix-as-a-suitable-scaffold-for-skin-tissue-engineering
#10
Priyanka Choudhury, Satish Kumar, Abhishek Singh, Ashutosh Kumar, Navneet Kaur, Sridhar Sanyasi, Saurabh Chawla, Chandan Goswami, Luna Goswami
Patho-physiologies related to skin are diverse in nature such as burns, skin ulcers, atopic dermatitis, psoriasis etc. which impose severe bio-medical problems and thus enforce requirement of new and healthy skin prepared through tissues engineering methodologies. However, fully functional and biodegradable matrix for attachment, growth, proliferation and differentiation of the relevant cells is not available. In the present study, we introduce a set of hydrogels synthesized by incorporation of a synthetic monomer (Hydroxyethlmethacryate) with a semi-synthetic polymer backbone (carboxy methyl tamarind, CMT) in different mole ratios...
June 1, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29569785/sex-and-age-adjusted-prevalence-estimates-of-five-chronic-inflammatory-skin-diseases-in-france-results-of-the-%C3%A2-objectifs-peau-%C3%A2-study
#11
Marie-Aleth Richard, Florence Corgibet, Marie Beylot-Barry, Annick Barbaud, Christine Bodemer, Véronique Chaussade, Michel D'Incan, Pascal Joly, Marie Thérèse Leccia, Jean Marie Meurant, Antoine Petit, Brigitte Roy Geffroy, Jean François Sei, Charles Taieb, Laurent Misery, Khaled Ezzedine
BACKGROUND: There are few population-based studies assessing the prevalence of skin diseases. OBJECTIVES: To estimate the prevalence of five chronic skin inflammatory diseases, i.e. atopic dermatitis (AD), psoriasis, alopecia areata (AA), vitiligo and hidradenitis suppurativa (HS) in France, using validated self-diagnostic questionnaires. METHODS: Population-based study using a representative sample of the French general population aged more than 15 years and sampling-with-replacement design...
March 23, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29569296/exacerbation-of-atopic-dermatitis-symptoms-by-ustekinumab-in-psoriatic-patients-with-elevated-serum-immunoglobulin-e-levels-report-of-two-cases
#12
Yozo Ishiuji, Yoshinori Umezawa, Akihiko Asahina, Hirotaka Fukuta, Norie Aizawa, Koichi Yanaba, Hidemi Nakagawa
Psoriasis is a chronic inflammatory skin disease mainly mediated by a T-helper cell subset, Th17 cells. Recently, increased levels of total serum immunoglobulin (Ig)E have been reported in a subset of psoriatic patients. Ustekinumab (UST) is one of the most commonly used biologic agents for the treatment of moderate to severe plaque psoriasis, and a previous report also documented effectiveness of UST for psoriatic patients with high serum IgE levels. We experienced two psoriatic patients with high serum IgE levels, in whom UST completely improved psoriasis but paradoxically provoked or exacerbated atopic dermatitis (AD)-like symptoms...
March 22, 2018: Journal of Dermatology
https://www.readbyqxmd.com/read/29546543/maldi-imaging-facilitates-new-topical-drug-development-process-by-determining-quantitative-skin-distribution-profiles
#13
David Bonnel, Raphaël Legouffe, André H Eriksson, Rasmus W Mortensen, Fabien Pamelard, Jonathan Stauber, Kim T Nielsen
Generation of skin distribution profiles and reliable determination of drug molecule concentration in the target region are crucial during the development process of topical products for treatment of skin diseases like psoriasis and atopic dermatitis. Imaging techniques like mass spectrometric imaging (MSI) offer sufficient spatial resolution to generate meaningful distribution profiles of a drug molecule across a skin section. In this study, we use matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI) to generate quantitative skin distribution profiles based on tissue extinction coefficient (TEC) determinations of four different molecules in cross sections of human skin explants after topical administration...
March 15, 2018: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29526763/lysosomes-support-the-degradation-signaling-and-mitochondrial-metabolism-necessary-for-human-epidermal-differentiation
#14
Christine L Monteleon, Tanvir Agnihotri, Ankit Dahal, Mingen Liu, Vito W Rebecca, Gregory L Beatty, Ravi K Amavaradi, Todd W Ridky
Keratinocytes undergo significant structural remodeling during epidermal differentiation, including a broad transformation of the proteome coupled with a reduction in total cellular biomass. This suggests that intracellular digestion of proteins and organelles is necessary for keratinocyte differentiation. Here, we use both genetic and pharmacologic approaches to demonstrate that autophagy and lysosomal functions are required for keratinocyte differentiation in organotypic human skin. Lysosomal activity was required for mTOR signaling and mitochondrial oxidative metabolism...
March 8, 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29518197/multipolarity-of-cytokine-axes-in-the-pathogenesis-of-atopic-dermatitis-in-terms-of-age-race-species-disease-stage-and-biomarkers
#15
Takashi Nomura, Tetsuya Honda, Kenji Kabashima
Atopic dermatitis (AD) is a common T-cell-mediated inflammatory disease of the skin. Signatures of AD are characterized by an impaired skin barrier, aberrant Th2-type cytokine production and intensive pruritus. Transcriptomic analysis, however, has revealed a heterogeneous pathogenesis and the co-existence of multiple cytokine axes of Th17, Th22 and Th1 types, especially in intrinsic (a subtype of AD without skin barrier impairment), pediatric and Asian types of AD. Furthermore, the therapeutic effect of anti-IL-4 receptor α against AD was not as high as that of IL-17 blockage against psoriasis, which implies a modification of the disease spectrum by non-Th2-type cytokine axes in AD...
March 6, 2018: International Immunology
https://www.readbyqxmd.com/read/29507999/the-role-of-therapy-in-impairing-quality-of-life-in-dermatological-patients-a-multinational-study
#16
Flora N Balieva, Andrew Y Finlay, Jörg Kupfer, Lucía Tomas Aragones, Lars Lien, Uwe Gieler, Françoise Poot, Gregor B E Jemec, Laurent Misery, Lajos Kemeny, Francesca Sampogna, Henriët van Middendorp, Jon Anders Halvorsen, Thomas Ternowitz, Jacek C Szepietowski, Nikolay Potekaev, Servando E Marron, Ilknur K Altunay, Sam S Salek, Florence J Dalgard
Skin disease and its therapy affect health-related quality of life (HRQoL). The aim of this study was to measure the burden caused by dermatological therapy in 3,846 patients from 13 European countries. Adult outpatients completed questionnaires, including the Dermatology Life Quality Index (DLQI), which has a therapy impact question. Therapy issues were reported by a majority of patients with atopic dermatitis (63.4%), psoriasis (60.7%), prurigo (54.4%), hidradenitis suppurativa (54.3%) and blistering conditions (53%)...
March 2, 2018: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29507554/the-role-of-regulatory-t-cells-and-genes-involved-in-their-differentiation-in-pathogenesis-of-selected-inflammatory-and-neoplastic-skin-diseases-part-ii-the-treg-role-in-skin-diseases-pathogenesis
#17
REVIEW
Bogusław Nedoszytko, Magdalena Lange, Małgorzata Sokołowska-Wojdyło, Joanna Renke, Piotr Trzonkowski, Michał Sobjanek, Aneta Szczerkowska-Dobosz, Marek Niedoszytko, Aleksandra Górska, Jan Romantowski, Justyna Czarny, Jarosław Skokowski, Leszek Kalinowski, Roman Nowicki
Regulatory FOXP3+ T cells (Tregs) constitute 5% to 10% of T cells in the normal human skin. They play an important role in the induction and maintenance of immunological tolerance. The suppressive effects of these cells are exerted by various mechanisms including the direct cytotoxic effect, anti-inflammatory cytokines, metabolic disruption, and modulation of the dendritic cells function. The deficiency of Treg cells number or function are one of the basic elements of the pathogenesis of many skin diseases, such as psoriasis, atopic dermatitis, bacterial and viral infections...
October 2017: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/29501672/delivery-of-oat-derived-phytoceramides-into-the-stratum-corneum-of-the-skin-using-nanocarriers-formulation-characterization-and-in-vitro-and-ex-vivo-penetration-studies
#18
Efrem N Tessema, Tsige Gebre-Mariam, Getahun Paulos, Johannes Wohlrab, Reinhard H H Neubert
Deficiency or altered composition of stratum corneum (SC) lipids such as ceramides (CERs), causing skin barrier dysfunction and skin dryness, have been associated with skin diseases such as atopic dermatitis and psoriasis, and ageing. Replenishing the depleted native CERs with exogenous CERs has also been shown to have beneficial effects in restoring the skin barrier. Phyto-derived CERs such as oat CERs were shown to be potential for skin barrier reinforcement. To effect this, however, the oat CERs should overcome the SC barrier and delivered deep into the lipid matrix using the various novel formulations...
February 28, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29491401/gut-microbial-composition-in-patients-with-psoriasis
#19
Francisco M Codoñer, Ana Ramírez-Bosca, Eric Climent, Miguel Carrión-Gutierrez, Mariano Guerrero, Jose Manuel Pérez-Orquín, José Horga de la Parte, Salvador Genovés, Daniel Ramón, Vicente Navarro-López, Empar Chenoll
Since the last 5-10 years the relevance of the gut microbiome on different intestinal illnesses has been revealed. Recent findings indicate the effect of gut microbiome on certain dermatological diseases such as atopic dermatitis. However, data on other skin diseases such as psoriasis are limited. This is the first time attempting to reveal the gut microbiome composition of psoriatic patients with a prospective study including a group of patients with plaque psoriasis, analyzing their gut microbiome and the relationship between the microbiome composition and bacterial translocation...
February 28, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29474945/neutralization-of-il-17c-reduces-skin-inflammation-in-mouse-models-of-psoriasis-and-atopic-dermatitis
#20
Nick Vandeghinste, Jürgen Klattig, Catherine Jagerschmidt, Stéphanie Lavazais, Florence Marsais, Jan D Haas, Marielle Auberval, Felix Lauffer, Tara Moran, Mate Ongenaert, Maarten Van Balen, Sonia Dupont, Liên Lepescheux, Teresa Garcia, Stefan Härtle, Kilian Eyerich, Padraic G Fallon, Reginald Brys, Stefan Steidl
Interleukin-17C (IL-17C) is a functionally distinct member of the IL-17 family that was implicated to play a role in the pathogenesis of psoriasis. Here we confirmed that IL-17C is involved in psoriasis and explored potential roles for IL-17C in atopic dermatitis (AD). An anti-IL-17C antibody, MOR106, was generated that potently and selectively binds to human and mouse IL-17C, thereby inhibiting the binding of IL-17C to its IL-17RE receptor. The antibody inhibited cutaneous inflammation in an IL-23-induced psoriatic-like skin inflammation model...
February 20, 2018: Journal of Investigative Dermatology
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