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https://www.readbyqxmd.com/read/28095445/cytosolic-rna-dna-duplexes-generated-by-endogenous-reverse-transcriptase-activity-as-autonomous-inducers-of-skin-inflammation-in-psoriasis
#1
Jean-Pierre Molès, Anthony Griez, Jean-Jacques Guilhou, Céline Girard, Nicolas Nagot, Philippe Van de Perre, Pierre Dujols
Psoriasis is a chronic skin disease of unknown ætiology. Recent studies suggested that a large amount of cytosolic DNA (cyDNA) in keratinocytes is breaking keratinocytes DNA tolerance and promotes self-sustained inflammation in the psoriatic lesion. We investigated the origin of this cyDNA. We show that, amongst all the possible DNA structures, the cyDNA could be present as RNA:DNA duplexes in keratinocytes. We further show that endogenous reverse transcriptase activities generate such duplexes and consequently activate the production of Th1-inflammatory cytokines...
2017: PloS One
https://www.readbyqxmd.com/read/28094756/treatment-modifying-factors-of-biologics-for-psoriatic-arthritis-a-systematic-review-and-bayesian-meta-regression
#2
REVIEW
Eric Druyts, Jacqueline B Palmer, Chakrapani Balijepalli, Keith Chan, Mir Sohail Fazeli, Vivian Herrera, Jeroen P Jansen, Jay J H Park, Steve Kanters, Andreas Reimold
OBJECTIVES: The aim of this study was to explore factors that modify treatment effects of non-conventional biologics versus placebo in patients with psoriatic arthritis. METHODS: A systematic literature review and meta-regression was conducted. The biologics included etanercept, infliximab, adalimumab, golimumab, certolizumab, ustekinumab, tocilizumab, anakinra, abatacept, rituximab, and secukinumab. Outcomes included American College of Rheumatology (ACR) 20 and 50, Psoriasis Area Severity Index (PASI) 75, and 36-Item Short Form Health Survey (SF-36) Physical and Mental Component Summaries (PCS and MCS)...
January 15, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28093730/tumor-necrosis-factor-alpha-gene-promoter-238g-a-polymorphism-increases-the-risk-of-psoriasis-vulgaris-in-indian-patients
#3
Deepa Rajesh, Rajesh Gurumurthy, A V Moideen Kutty, Sharath Balakrishna
BACKGROUND: Tumor necrosis factor alpha (TNFα) gene -238G/A polymorphism (rs361525) is associated with psoriasis in several populations worldwide. To the best of our knowledge, there is no information about this polymorphism in Indian psoriatic patients. This study was undertaken to fill the gap in knowledge. METHODS: This case-control study involved 72 patients with psoriasis vulgaris (PsV) and 72 age and gender matched healthy individuals. TNFα -238G/A polymorphism was genotyped by PCR-RFLP method...
January 17, 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28093419/the-risk-of-fracture-among-patients-with-psoriatic-arthritis-and-psoriasis-a-population-based-study
#4
Alexis Ogdie, Lauren Harter, Daniel Shin, Joshua Baker, Junko Takeshita, Hyon K Choi, Thorvardur Jon Love, Joel M Gelfand
OBJECTIVE: To determine the risk of fracture and osteoporosis among patients with psoriatic arthritis (PsA) and psoriasis, compared with the general population and patients with rheumatoid arthritis (RA). METHODS: A population-based cohort study was performed in The Health Improvement Network in the UK using data from 1994 to 2014. Patients aged 18-89 years with PsA or psoriasis and up to five unexposed controls matched by practice and start date within that practice were included...
January 16, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28091549/urinary-proteomics-can-define-distinct-diagnostic-inflammatory-arthritis-subgroups
#5
Stefan Siebert, Duncan Porter, Caron Paterson, Rosie Hampson, Daniel Gaya, Agnieszka Latosinska, Harald Mischak, Joost Schanstra, William Mullen, Iain McInnes
Current diagnostic tests applied to inflammatory arthritis lack the necessary specificity to appropriately categorise patients. There is a need for novel approaches to classify patients with these conditions. Herein we explored whether urinary proteomic biomarkers specific for different forms of arthritis (rheumatoid arthritis (RA), psoriatic arthritis (PsA), osteoarthritis (OA)) or chronic inflammatory conditions (inflammatory bowel disease (IBD)) can be identified. Fifty subjects per group with RA, PsA, OA or IBD and 50 healthy controls were included in the study...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28090061/umbilical-plaque-in-psoriatic-arthritis
#6
Takao Nagashima, Seiji Minota
No abstract text is available yet for this article.
2017: Internal Medicine
https://www.readbyqxmd.com/read/28089969/changes-in-treatment-patterns-in-patients-with-psoriatic-arthritis-initiating-biologic-and-nonbiologic-therapy-in-a-clinical-registry
#7
Philip J Mease, Tamara Lesperance, Mei Liu, David H Collier, Marc Mason, Sabrina Deveikis, Neil A Accortt
OBJECTIVE: Treatment options for psoriatic arthritis (PsA) have increased and improved in the past decade; treatment patterns in PsA remain poorly understood. Understanding current practices would aid in treatment management of patients with PsA. METHODS: This observational study was based on data from the Corrona registry of adult patients with PsA in North America collected between January 1, 2004, and December 31, 2012. Patients were divided among 3 therapy cohorts: tumor necrosis factor inhibitor (TNFi) monotherapy, methotrexate (MTX) monotherapy, and TNFi and MTX combination therapy...
January 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28089501/effectiveness-of-conventional-disease-modifying-antirheumatic-drugs-in-psoriatic-arthritis-a-systematic-review
#8
Jesús Maese, Petra Díaz Del Campo, Daniel Seoane-Mato, Mercedes Guerra, Juan D Cañete
BACKGROUND: Due to the clinical heterogeneity of psoriatic arthritis (PsA), recommendations have been developed by international groups to guide therapeutic decisions of the rheumatologist. The objective of the current systematic review (RS) was to evaluate the evidence of efficacy of disease-modifying antirheumatic drugs (DMARDs) in PsA. METHODS: Literature search in Medline, EMBASE, Cochrane Library, from 2008 to 2014. We included RS, randomized clinical trials and observational studies, in patients with PsA and an evaluation of efficiency of conventional DMARDs (methotrexate, sulfasalazine, leflunomide), according to the following outcomes: peripheral and axial symptoms; peripheral radiological damage; enthesitis according to power Doppler ultrasound or magnetic resonance imaging (enthesitis count before and after therapy); dactylitis; uveitis...
January 12, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28089007/biomechanics-in-dermatology-recent-advances-and-future-directions
#9
EDITORIAL
Ryan T Lewinson, Richard M Haber
Biomechanics is increasingly being recognized as an important research area in dermatology. To highlight only a few examples, biomechanics has contributed to the development of novel topical therapies for aesthetic and medical purposes, enhanced our understanding of the pathogenesis of plantar melanoma, and provided insight into the epidemiology of psoriatic disease. This article summarizes the findings from recent studies to demonstrate the important role that biomechanics may have in dermatologic disease and therapy and places these biomechanical findings in a clinical context for the practicing physician...
February 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28079929/the-impact-of-age-on-psoriasis-health-care-in-germany
#10
A Trettel, C Spehr, A Körber, M Augustin
INTRODUCTION: Inequality between age groups has been demonstrated in the prescription of biologics, yet systematic real-world data about age-related differences in psoriasis care are missing. OBJECTIVE: To investigate disparities in psoriasis characteristics by age groups and to identify potential impact on psoriasis health care. PATIENTS AND METHODS: Data analysis included 3,615 patients from the German Psoriasis registry PsoBest, which observes adult patients with moderate to severe psoriasis or psoriatic arthritis (PsA) on systemic treatment over a time period of 10 years...
January 12, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28077693/new-grappa-and-eular-recommendations-for-the-management-of-psoriatic-arthritis-process-and-challenges-faced
#11
EDITORIAL
Laura C Coates, Laure Gossec, Sofia Ramiro, Philip Mease, Désirée van der Heijde, Josef S Smolen, Christopher Ritchlin, Arthur Kavanaugh
No abstract text is available yet for this article.
January 11, 2017: Rheumatology
https://www.readbyqxmd.com/read/28076860/efficacy-and-survival-of-systemic-psoriasis-treatments-an-analysis-of-the-swiss-registry-sdntt
#12
Julia-Tatjana Maul, Vahid Djamei, Antonios G A Kolios, Barbara Meier, Justine Czernielewski, Pascal Jungo, Nikhil Yawalkar, Carlo Mainetti, Emmanuel Laffitte, Christina Spehr, Mark Anliker, Markus Streit, Matthias Augustin, Stephan Rustenbach, Curdin Conrad, Jürg Hafner, Wolf-Henning Boehncke, Luca Borradori, Michel Gilliet, Peter Itin, Lars E French, Peter Häusermann, Alexander A Navarini
BACKGROUND: The Swiss psoriasis registry SDNTT (Swiss Dermatology Network for Targeted Therapies) records the long-term safety and effectiveness of systemic treatment regimens for psoriasis. PATIENTS AND METHODS: Patients with moderate to severe psoriasis are included in the SDNTT when treatment with a conventional systemic agent or biologic is initiated that was not previously used by the respective patient. Patients are followed over a 5-year period. Clinical data are obtained every 3-6 months using standardized case report forms...
January 12, 2017: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/28074414/spontaneous-remission-of-subcutaneous-scedosporiosis-caused-by-scedosporium-dehoogii-in-a-psoriatic-patient
#13
Fang-Gu Li, Yan-Ping Yang, Wei Li, Ping Sheng, Wen Li, Wen-Ming Huang, Yi-Ming Fan
To date, only one case of post-traumatic endophthalmitis caused by Scedosporium dehoogii has been reported, but its contamination or colonization might not be precluded due to the absence of pathogenic isolation and/or pathological examination. We report the first case to our knowledge of S. dehoogii-induced subcutaneous scedosporiosis in a psoriatic patient. A 58-year-old man with 5-year history of psoriasis vulgaris and immunosuppressant therapy developed pyrexia and multiple subcutaneous abscesses on both knees...
January 10, 2017: Mycopathologia
https://www.readbyqxmd.com/read/28073691/rapid-dactylitis-resolution-in-a-patient-with-psoriatic-arthritis-after-treatment-with-ustekinumab
#14
Alba Quesada Moreno, Olga Martínez González, Laura Pérez Garrido, Carlos Montilla Morales
No abstract text is available yet for this article.
January 7, 2017: Reumatología Clinica
https://www.readbyqxmd.com/read/28069297/lesions-on-the-back-of-hands-and-female-gender-predispose-to-stigmatization-in-patients-with-psoriasis
#15
Marlena Hawro, Marcus Maurer, Karsten Weller, Romuald Maleszka, Anna Zalewska-Janowska, Andrzej Kaszuba, Zofia Gerlicz-Kowalczuk, Tomasz Hawro
BACKGROUND: Psoriasis vulgaris is characterized by disfiguring and stigmatizing skin lesions. The links among lesions distribution, severity, and stigmatization remain unclear. OBJECTIVE: We sought to investigate if the involvement of visible and sensitive areas is linked to stigmatization. METHODS: In all, 115 patients with psoriasis vulgaris were assessed for disease severity, skin lesions distribution, itch, and stigmatization using the Feelings of Stigmatization Questionnaire...
January 6, 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28067065/the-investigation-of-antimicrobial-peptides-expression-and-its-related-interaction-with-methotrexate-treatment-in-patients-with-psoriasis-vulgaris
#16
Emin Ozlu, Ayse Serap Karadag, Seyma Ozkanli, Serpil Oguztuzun, Ozge Akbulak, Tugba Kevser Uzuncakmak, Serkan Demirkan, Necmettin Akdeniz
BACKGROUND: Psoriasis is a chronic, inflammatory and immune-mediated disease. Recently, the role of antimicrobial peptides (AMPs) such as human beta defensins (hBDs) in the pathogenesis of psoriasis has been investigated. We aimed to evaluate the expression profiles of hBD-1 and hBD-2 in psoriatic skin before and after methotrexate (MTX) therapy and to compare healthy controls. METHODS: Immunohistochemical expressions of hBD-1 and hBD-2 were assessed in 16 patients with psoriasis vulgaris and 20 normal skin biopsies from healthy controls...
January 8, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28063039/xenotransplantation-model-of-psoriasis
#17
Jeremy Di Domizio, Curdin Conrad, Michel Gilliet
Psoriasis is a chronic autoimmune skin disease affecting approximately 2 % of the population with a major psychosocial and socioeconomic impact. A causal therapy leading to permanent cure is not available, and current treatments only lead to limited amelioration, and therefore new therapeutic targets need to be identified. Recent works demonstrated a predominant role of TH17 cells in the pathogenesis of psoriasis; yet the underlying molecular mechanisms driving the development of the disease are still largely elusive...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28060905/human-s100a7-induces-mature-interleukin1%C3%AE-expression-by-rage-p38-mapk-calpain1-pathway-in-psoriasis
#18
Hu Lei, Xiangyun Li, Bo Jing, Hanzhang Xu, Yingli Wu
Psoriatic keratinocytes express exaggerated levels of inflammatory cytokines, and show aberrant hyperproliferation and terminal differentiation in the pathogenesis of psoriasis. The antimicrobial protein hS100A7 (psoriasin) has been found highly expressed in psoriatic skin, but the mechanism and physiological function remain largely unknown. We observed that hS100A7 induces mature interleukin 1α (17kDa) expression in normal human epidermal keratinocytes, which is dependent on RAGE-p38 MAPK and calpain-1 as the inhibitors or knockdown of them completely decreased the expression of mature interleukin1α...
2017: PloS One
https://www.readbyqxmd.com/read/28055293/epidermal-activation-of-the-small-gtpase-rac1-in-psoriasis-pathogenesis
#19
Mårten C G Winge, M Peter Marinkovich
The small GTPase Ras-related C3 botulinum toxin substrate 1 (RAC1) plays a central role in skin homeostasis, including barrier function, wound healing and inflammatory responses. Psoriasis is a common skin disease characterized by deregulation of these functions, and affected skin exhibit keratinocyte hyperproliferation, inflammation and immune cell infiltration. Although psoriasis is often triggered by environmental stimulus, there is a strong genetic association with genes expressed in both immune cells and keratinocytes, of which several are linked to Rac1 signaling...
January 5, 2017: Small GTPases
https://www.readbyqxmd.com/read/28053273/multidisciplinary-care-for-psoriatic-disease-where-we-are-and-where-we-need-to-go
#20
EDITORIAL
Rubén Queiro, Pablo Coto
No abstract text is available yet for this article.
January 3, 2017: Rheumatology
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