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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
#1
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
#2
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/29518197/multipolarity-of-cytokine-axes-in-the-pathogenesis-of-atopic-dermatitis-in-terms-of-age-race-species-disease-stage-and-biomarkers
#3
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/29507561/antihistamines-in-the-treatment-of-pruritus-in-psoriasis
#4
Anna Domagała, Jacek Szepietowski, Adam Reich
Aim: To evaluate the efficacy of antihistamines in reducing pruritus in psoriasis, 61 patients were randomized to be treated for 1 week with clemastine ( n = 20), levocetirizine ( n = 21) or placebo ( n = 20). Material and methods: All patients received the same routine antipsoriatic treatment. Itch intensity was assessed with VAS and the Itch Questionnaire, and hand movements during sleep were counted with an accelerometer. Results: There was a statistically significant decrease in mean VAS scoring in clemastine and levocetirizine groups ( p < 0...
October 2017: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/29431216/mast-cell-neural-interactions-contribute-to-pain-and-itch
#5
REVIEW
Kalpna Gupta, Ilkka T Harvima
Mast cells are best recognized for their role in allergy and anaphylaxis, but increasing evidence supports their role in neurogenic inflammation leading to pain and itch. Mast cells act as a "power house" by releasing algogenic and pruritogenic mediators, which initiate a reciprocal communication with specific nociceptors on sensory nerve fibers. Consequently, nerve fibers release inflammatory and vasoactive neuropeptides, which in turn activate mast cells in a feedback mechanism, thus promoting a vicious cycle of mast cell and nociceptor activation leading to neurogenic inflammation and pain/pruritus...
March 2018: Immunological Reviews
https://www.readbyqxmd.com/read/29317264/the-genetics-of-chronic-itch-gene-expression-in-the-skin-of-patients-with-atopic-dermatitis-and-psoriasis-with-severe-itch
#6
Leigh A Nattkemper, Hong Liang Tey, Rodrigo Valdes-Rodriguez, Helen Lee, Nicholas K Mollanazar, Christian Albornoz, Kristen M Sanders, Gil Yosipovitch
To identify itch-related mediators and receptors that are differentially expressed in pruritic skin, we used RNA sequencing to analyze the complete transcriptome in skin from paired itchy, lesional and nonitchy, nonlesional skin biopsies from 25 patients with atopic dermatitis and 25 patients with psoriasis and site-matched biopsies from 30 healthy controls. This analysis identified 18,000 differentially expressed genes common between itchy atopic and psoriatic skin compared with healthy skin. Of those, almost 2,000 genes were differentially expressed between itchy and nonitchy skin in atopic and psoriatic subjects...
January 6, 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29304933/comparison-of-adalimumab-and-etanercept-for-the-treatment-of-moderate-to-severe-psoriasis-an-indirect-comparison-using-individual-patient-data-from-randomized-trials
#7
Kim A Papp, Min Yang, Murali Sundaram, John Jarvis, Keith A Betts, Yanjun Bao, James E Signorovitch
OBJECTIVES: To compare outcomes between adalimumab and etanercept in the treatment of moderate to severe plaque psoriasis. METHODS: Study groups included patients randomized to adalimumab or placebo (REVEAL and CHAMPION trials) and those randomized to etanercept or placebo (M10-114 and M10-315 trials). Week 12 outcomes were compared between patients receiving adalimumab and those receiving etanercept after adjusting for cross-trial differences in patient characteristics using propensity score weighting and after subtracting effects of placebo...
January 2018: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/29280133/itching-for-answers-prevalence-and-severity-of-pruritus-in-psoriasis
#8
Philippa Dickison, Grace Swain, Jonathan J Peek, Saxon D Smith
BACKGROUND/OBJECTIVES: Pruritus is the most frequently reported complaint or symptom for psoriasis patients. Despite the morbidity associated with pruritus in psoriasis few studies have evaluated the prevalence of itch in psoriasis with the current use of biological agents. METHOD: This was a multi-site cross-sectional observational study conducted in New South Wales, Australia. Psoriasis patients were approached during their outpatient clinic, phototherapy or private consultations...
December 26, 2017: Australasian Journal of Dermatology
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
#9
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/29182790/validation-of-the-itch-severity-item-as-a-measurement-tool-for-pruritus-in-patients-with-psoriasis-results-from-a-phase-3-tofacitinib-program
#10
Sonja Ständer, Thomas Luger, Joseph C Cappelleri, Andrew G Bushmakin, Carla Mamolo, Michael A Zielinski, Anna M Tallman, Gil Yosipovitch
Tofacitinib is an oral Janus kinase inhibitor. This post-hoc analysis aimed to investigate the psychometric properties of the Itch Severity Item (ISI), a numeric rating scale from 0 (no itching) to 10 (worst possible itching) for pruritus in psoriasis, and review the effect of tofacitinib on pruritus in patients with psoriasis participating in Phase 3 studies (n = 3,641). The ISI showed high test-retest reliability (intra-class correlation coefficient: 0.84). The clinically important difference was defined as a 1...
November 28, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29056081/the-risks-and-benefits-of-cannabis-in-the-dermatology-clinic
#11
Gurbir Dhadwal, Mark G Kirchhof
Cannabis ( Cannabis sativa/indica), also known as marijuana, has been used for medicinal and recreational purposes for millennia. There has been a recent trend to legalize the use of cannabis, as illustrated by the recent legalization votes in numerous states in the United States and legislation in Canada to allow recreational cannabis use. With this increasing consumption of cannabis, dermatologists will see increased pressure to prescribe cannabis and will see the side effects of cannabis use with greater frequency...
October 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28983980/three-cases-of-facial-erythema-with-dryness-and-pruritus-in-psoriasis-patients-during-treatment-with-il-17-inhibitors
#12
LETTER
T Oiwa, T Honda, A Otsuka, K Kabashima
No abstract text is available yet for this article.
October 6, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28954093/the-relationship-between-pruritus-and-clinical-variables-in-patients-with-psoriasis
#13
Anil Gulsel Bahali, Nahide Onsun, Ozlem Su, Dilek Biyik Ozkaya, Didem Dizman, Bugce Topukcu, Omer Uysal
Background: Pruritus is the most commonly occurring subjective symptom of dermatological disease. Published data on both prevalence and intensity of pruritus in psoriasis is limited. Objective: In this study we aimed to investigate the prevalence of pruritus and its relation with psoriasis area severity index, body mass index and presence of systemic disease in patients with psoriasis. Methods: We analyzed data of psoriatic patients diagnosed in our psoriasis outpatient clinic between March 2013 and June 2014 collected retrospectively from PSR-TR registration system...
July 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28887107/efficacy-of-systemic-treatments-of-psoriasis-on-pruritus-a-systemic-literature-review-and-meta-analysis
#14
Chloé Théréné, Emilie Brenaut, Thomas Barnetche, Laurent Misery
In the course of the last 30 years, several studies have clearly documented that pruritus is a very frequent symptom of psoriasis and its impact on the patients' quality of life. The variety of available systemic treatments for psoriasis is increasing rapidly. Our objective was to assess their efficacy on pruritus based on a systematic literature review. A systematic literature search was performed using PubMed and Trip Database (from January 1990 to September 2016) to find published clinical trials for the treatments of psoriasis, and then a meta-analysis was performed...
January 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28809993/adalimumab-in-chronic-plaque-psoriasis-a-clinical-guide
#15
Jashin J Wu, W C Valdecantos
<p>Psoriasis is a common, inflammatory disease that manifests itself as lesions on the skin, which greatly impacts the physical and psychological wellbeing of those affected. The current goal of treatment in psoriasis is to improve the signs and symptoms of disease, whilst minimizing the burden of disease on patient health-related quality of life. Psoriasis can also be associated with other comorbidities such as joint disease, cardiovascular disease, and depression, which can add to the complexity of treatment...
August 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28795763/determinants-of-psychosocial-health-in-psoriatic-patients-a-multi-national-study
#16
Karolina Lesner, Adam Reich, Jacek C Szepietowski, Florence J Dalgard, Uwe Gieler, Lucía Tomas-Aragones, Lars Lien, Françoise Poot, Gregor B Jemec, Laurent Misery, Csanád Szabó, Dennis Linder, Francesca Sampogna, Andrea W M Evers, Jon Anders Halvorsen, Flora Balieva, Andrey Lvov, Servando E Marron, Ilknur K Altunay, Andrew Y Finlay, Sam S Salek, Jörg Kupfer
There are limited data on the differences in the impact of psoriasis between various countries with respect to quality of life (QoL). The aim of this study was to explore the psychosocial health of patients with psoriasis in different European countries. A total of 682 patients were recruited in 13 European countries. All patients completed a questionnaire regarding socio-demographic information, negative life events, suicidal ideation and satisfaction with their dermatologist. Depression and anxiety were assessed with the Hospital Anxiety and Depression Scale (HADS), and QoL with the Dermatology Life Quality Index (DLQI) and EuroQoL (EQ-5D)...
August 10, 2017: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/28702966/possible-role-of-helicobacter-pylori-in-diseases-of-dermatological-interest
#17
C Guarneri, J Lotti, M Fioranelli, M G Roccia, T Lotti, F Guarneri
Helicobacter pylori is a gram-negative, flagellate, microaerophilic bacterium identified for the first time about 30 years ago, as a pathogenic factor of gastritis and peptic ulcer. Soon after, it was linked to several gastrointestinal and extra-gastrointestinal diseases (hematological, cardiovascular, neurological, pulmonary and ocular diseases, obesity, diabetes mellitus, growth retardation and extragastric MALT lymphoma). Association and possible cause-effect correlation with H. pylori infection were suggested in diseases of dermatological interest such as chronic urticaria, rosacea, Henoch-Schoenleins purpura, idiopathic thrombocytopenic purpura, cutaneous and oral lichen planus, atopic dermatitis, recurrent aphthous stomatitis, systemic sclerosis, psoriasis, Sjögrens syndrome, Behçet's disease, pruritus, alopecia areata, primary cutaneous marginal zone B-cell lymphomas, vitiligo, chronic prurigo, multiformis, prurigo nodularis, leukocytoclastic vasculitis, prurigo pigmentosa, eczema nummulare, primary cutaneous MALT-type lymphoma, sublamina densa-type linear IgA bullous dermatosis, Sweet's syndrome, cutaneous T-cell pseudolymphoma and pemphigus vulgaris...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28687116/is-it-useful-to-calculate-minimal-erythema-dose-before-narrowband-uv-b-phototherapy
#18
M T Rodríguez-Granados, A Estany-Gestal, M Pousa-Martínez, J Labandeira, R Gato Otero, V Fernández-Redondo
INTRODUCTION AND OBJECTIVES: The starting dose for narrowband UV-B phototherapy is determined by a patient's skin phototype or minimal erythema dose (MED). Calculation of MED identifies patients with unsuspected photosensitivity. The aim of this study was to investigate the influence of factors such as concomitant use of photosensitizing agents, diagnosis, and combination with acitretin in patients with psoriasis on the frequency and severity of adverse effects in patients with a low MED to narrowband UV-B phototherapy...
November 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28686974/phytotherapeutic-potential-of-natural-herbal-medicines-for-the-treatment-of-mild-to-severe-atopic-dermatitis-a-review-of-human-clinical-studies
#19
REVIEW
Zahid Hussain, Hnin Ei Thu, Ahmad Nazrun Shuid, Prashant Kesharwani, Shahzeb Khan, Fahad Hussain
For many decades, natural herbal medicines, polyherbal formulations and/or decoctions of plant-derived materials have widely been accepted as alternative complementary therapies for the treatment, cure or prevention of a wide range of acute and chronic skin diseases including chronic herpes, prurigo, acute and chronic wounds, psoriasis and atopic dermatitis (AD). This review was aimed to summarize and critically discuss about the therapeutic viability and clinical applicability of natural herbal medicines for the treatment of AD in human...
September 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28618767/skin-findings-in-autoimmune-and-nonautoimmune-thyroid-disease-with-respect-to-thyroid-functional-status-and-healthy-controls
#20
Mümtaz Takir, Emin Özlü, Osman Köstek, Zafer Türkoğlu, Hasan Hüseyin Mutlu, Tuğba Kevser Uzunçakmak, Necmettin Akdeniz, Ayşe Serap Karadağ
BACKGROUND/AIM: Thyroid disorders are associated with a wide variety of skin disorders that respond to treatment of hormone imbalance in most cases and thus are of vital importance to dermatologists. This study aimed to evaluate skin findings associated with autoimmune and nonautoimmune thyroid disease with respect to thyroid functional status and healthy controls. MATERIALS AND METHODS: A total of 300 consecutive patients with either autoimmune (n = 173) or nonautoimmune (n = 127) thyroid disease and 100 healthy control subjects were included in this cross-sectional study...
June 12, 2017: Turkish Journal of Medical Sciences
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