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Archives of Dermatological Research

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https://www.readbyqxmd.com/read/28439661/comparative-study-of-p16-protein-expression-in-squamous-cell-carcinomas-from-patients-with-epidermodysplasia-verruciformis-and-patients-without-the-disease
#1
Mayra S G Mattos, Walmar R Oliveira, Mirian N Sotto
Epidermodysplasia verruciformis (EV) is a rare genodermatosis associated with susceptibility to beta-human papilloma virus (HPV) infection. EV patients develop disseminated warts and non-melanoma skin cancer, mainly squamous cell carcinomas (SCC) that are locally aggressive. EV pathogenesis is not yet fully understood, but alterations in the p16 gene play a role in the pathogenesis of neoplasms caused by high-risk genital HPV. To explore its role in EV lesions, we compared p16 expression in SCC from patients with and without EV...
April 24, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28432437/an-italian-multicentre-study-on-adult-atopic-dermatitis-persistent-versus-adult-onset-disease
#2
Matteo Megna, Cataldo Patruno, Anna Balato, Franco Rongioletti, Luca Stingeni, Nicola Balato
Atopic dermatitis (AD) is a chronic, recurrent, inflammatory skin disease which predominantly affects children. However, AD may persist until adulthood (persistent AD), or directly start in adults (adult-onset AD). AD often shows a non-flexural rash distribution, and atypical morphologic variants in adults and specific diagnostic criteria are lacking. Moreover, adult AD prevalence as well as detailed data which can characterize persistent vs adult-onset subtype are scant. The aim of this study was to investigate on the main features of adult AD particularly highlighting differences between persistent vs adult-onset form...
April 21, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28429105/increased-expression-of-upa-upar-and-pai-1-in-psoriatic-skin-and-in-basal-cell-carcinomas
#3
K A Rubina, V Yu Sysoeva, E I Zagorujko, Z I Tsokolaeva, M I Kurdina, Ye V Parfyonova, V A Tkachuk
There is substantial evidence implicating the urokinase system in tissue remodeling during neo-vascularization, inflammation, tumor invasion, and metastasis. Regulated degradation of the extracellular matrix at the leading edge of migrating cells, mediated by uPA and uPAR, is required for tissue remodeling, invasiveness, and angiogenesis. Psoriasis and basal cell carcinoma (BCC) are the most common skin diseases. Pathogenesis of both of them is associated with keratinocyte hyperproliferation, inflammatory cell migration, and angiogenesis-processes in which the plasminogen system (uPA, uPAR, tPA, and PAI-1) plays a crucial role...
April 20, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28405739/dermatological-comorbidity-in-psoriasis-results-from-a-large-scale-cohort-of-employees
#4
N Zander, I Schäfer, M Radtke, A Jacobi, H Heigel, M Augustin
The field of dermatological comorbidity in psoriasis is only passively explored with contradictory results. Objective of this study was to further investigate the complex field of psoriasis and associated skin diseases by identifying skin comorbidity patterns in an extensive cohort of employees in Germany. Retrospective analysis of data deriving from occupational skin cancer screenings was conducted. From 2001 to 2014 German employees between 16 and 70 years from different branches underwent single whole-body screenings by trained dermatologists in their companies...
April 12, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28389714/erratum-to-cancer-stem-like-cells-enriched-with-cd29-and-cd44-markers-exhibit-molecular-characteristics-with-epithelial-mesenchymal-transition-in-squamous-cell-carcinoma
#5
Songmei Geng, Yuanyuan Guo, Qianqian Wang, Lan Li, Jianli Wang
No abstract text is available yet for this article.
April 7, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28389713/skin-permeation-and-antioxidant-efficacy-of-topically-applied-resveratrol
#6
Cristina Alonso, M Martí, C Barba, V Carrer, L Rubio, L Coderch
The permeation of resveratrol was assessed by in vitro and in vivo experiments 24 h after topical administration. The in vitro profile of resveratrol was assessed by Raman spectroscopy. Human skin permeation was analysed in vivo by the tape stripping method with the progressive removal of the stratum corneum layers using adhesive tape strips. Moreover, the free radical scavenging activity of resveratrol after its topical application was determined using the DPPH assay. The Raman spectra indicated that the topically applied resveratrol penetrates deep into the skin...
April 7, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28324170/microscopic-and-ultrastructural-evidences-in-human-skin-following-calcium-hydroxylapatite-filler-treatment
#7
Nicola Zerbinati, Edoardo D'Este, Pier Camillo Parodi, Alberto Calligaro
This study uses light and electron microscopes to gain a better knowledge of the interactions of calcium hydroxylapatite filler with the connective tissue of the skin and the modifications of the human deep dermis, after 2 months of treatment. Some morphological evidences of this observational study of filler treated tissue support-specific mechanism involved in the structural modifications of both filler microspherules and cells of the connective tissue. They demonstrate the absence of any immunological reaction and show that the used filler is modified very slowly over time by the action of cells of the connective tissue closely related to the filler without any activity of phagocytosis...
March 21, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28321536/effect-of-sinapic-acid-on-hair-growth-promoting-in-human-hair-follicle-dermal-papilla-cells-via-akt-activation
#8
Hyunju Woo, Seungjun Lee, Seungbeom Kim, Deokhoon Park, Eunsun Jung
Hair loss known as alopecia is caused by abnormal hair follicle cycling including shortening of the anagen (growth) phase and changing of hair follicle morphology with miniaturization. In accordance with the life extension, the quality of life is considered to be a most important thing. The yearning for healthy and beautiful hair and low self esteem due to hair loss had negative influence on the quality of life with psychosocial maladjustment. The objective of this research was to identify new compound that can be used as a drug to promote hair growth...
March 20, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28317060/prognostic-factors-for-mortality-in-patients-with-bullous-pemphigoid-a-meta-analysis
#9
Yi-Di Liu, Yan-Hong Wang, Yi-Cong Ye, Wen-Ling Zhao, Li Li
Bullous pemphigoid (BP) is a chronic debilitating autoimmune blistering disease that frequently occurs in the elderly population. Previous studies have suggested a high morbidity and mortality associated with BP. However, relatively few studies have investigated prognostic factors of BP mortality, and they showed considerably various results. This meta-analysis aimed to quantitatively assess the association between several potential prognostic factors and risk of mortality in bullous pemphigoid. A comprehensive search was performed using Pubmed, Embase, and Cochrane Library...
March 19, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28314912/differences-in-the-melanosome-distribution-within-the-epidermal-melanin-units-and-its-association-with-the-impairing-background-of-leukoderma-in-vitiligo-and-halo-nevi-a-retrospective-study
#10
Xi-Xi Xiong, Gao-Zhong Ding, Wen-E Zhao, Xue Li, Yu-Ting Ling, Li Sun, Qing-Li Gong, Yan Lu
Skin color is determined by the number of melanin granules produced by melanocytes that are transferred to keratinocytes. Melanin synthesis and the distribution of melanosomes to keratinocytes within the epidermal melanin unit (EMU) within the skin of vitiligo patients have been poorly studied. The ultrastructure and distribution of melanosomes in melanocytes and surrounding keratinocytes in perilesional vitiligo and normal skin were investigated using transmission electron microscopy (TEM). Furthermore, we performed a quantitative analysis of melanosome distribution within the EMUs with scatter plot...
March 17, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28303329/diagnostic-performance-of-transient-elastography-for-detection-of-methotrexate-induced-liver-injury-using-roenigk-classification-in-asian-patients-with-psoriasis-a-retrospective-study
#11
Pasinee Rongngern, Leena Chularojanamontri, Chanisada Wongpraparut, Narumol Silpa-Archa, Watcharasak Chotiyaputta, Ananya Pongpaibul, Phunchai Charatcharoenwitthaya
Liver biopsy, the gold standard for monitoring methotrexate-induced liver fibrosis in psoriasis patients, has potential morbidity and mortality. Transient elastography (TE) has been widely used as an alternative non-invasive method. Currently, psoriasis-specific data of TE comparing to Roenigk histopathology is lacking. This retrospective study assessed the diagnostic performance of TE in the detection of methotrexate-induced liver injury and liver fibrosis in Asian psoriasis patients. Risk factors that associated with liver injury by TE and histopathology were also determined...
March 16, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28303328/effects-of-palmitoyl-kvk-l-ascorbic-acid-on-skin-wrinkles-and-pigmentation
#12
Hyeong Mi Kim, Hyo Sun An, Jung-Soo Bae, Jung Yun Kim, Chi Ho Choi, Ju Yeon Kim, Joo Hyuck Lim, Joon-Hun Choi, Hyunnam Song, Sung Ho Moon, Young Jun Park, Shin-Jae Chang, Sun Young Choi
Wrinkle formation and abnormal pigmentation are major clinical alterations associated with skin aging. As the aim of our study was to investigate the effects of palmitoyl-KVK-L-ascorbic acid on skin aging, the anti-wrinkle and depigmentation effects of palmitoyl-KVK-L-ascorbic acid were evaluated by measuring collagen expression in dermal fibroblast cells and inhibition of melanogenesis in B16F1 cells, respectively. The anti-aging effect of palmitoyl-KVK-L-ascorbic acid cream was also evaluated against a placebo cream in a clinical trial...
March 16, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28314913/laser-and-light-based-therapy-for-cutaneous-and-soft-tissue-metastases-of-malignant-melanoma-a-systematic-review
#13
REVIEW
Evan Austin, Andrew Mamalis, Derek Ho, Jared Jagdeo
Invasive cutaneous melanoma is a growing health concern. Although surgical excision can effectively treat in situ tumors, use for metastatic melanoma is limited. Laser and light-based therapies may be a valuable palliative treatment option for patients with stage III and stage IV cutaneous metastatic melanoma. Our goal is to review the published literature and provide evidence-based recommendations on laser and light-based palliative therapies for metastatic melanoma. A search of the databases Pubmed, EMBASE, Web of Science, and CINAHL was performed on March 10, 2016...
May 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28299442/interleukin-il-18-cooperatively-with-il-23-induces-prominent-inflammation-and-enhances-psoriasis-like-epidermal-hyperplasia
#14
Noriko Shimoura, Hiroshi Nagai, Susumu Fujiwara, Haruki Jimbo, Takayuki Yoshimoto, Chikako Nishigori
The interleukin (IL)-23/IL-17 axis is strongly implicated in the pathogenesis of psoriasis. Previous studies showed that IL-18 was elevated in early active and progressive plaque-type psoriatic lesions and that serum or plasma levels of IL-18 correlated with the Psoriasis Area and Severity Index. However, the mechanism whereby IL-18 affects disease severity remains unknown. In this study, we investigated the effects of IL-18 on a psoriasis-like skin inflammation model induced by recombinant mouse IL-23. We found that IL-18, cooperatively with IL-23, induced prominent inflammation and enhanced psoriasis-like epidermal hyperplasia...
May 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28285367/comparison-of-protective-effect-of-ascorbic-acid-on-redox-and-endocannabinoid-systems-interactions-in-in-vitro-cultured-human-skin-fibroblasts-exposed-to-uv-radiation-and-hydrogen-peroxide
#15
Agnieszka Gęgotek, Katarzyna Bielawska, Michał Biernacki, Ilona Zaręba, Arkadiusz Surażyński, Elżbieta Skrzydlewska
The mechanisms of biological activity of commonly used natural compounds are constantly examined. Therefore, the aim of this study was to compare ascorbic acid efficacy in counteracting the consequences of UV and hydrogen peroxide treatment on lipid mediators and their regulative action on antioxidant abilities. Skin fibroblasts exposed to UVA and UVB irradiation, treated with hydrogen peroxide and ascorbic acid. The redox system was estimated through reactive oxygen species (ROS) generation (electron spin resonance spectrometer) and antioxidants level/activity (HPLC/spectrometry) which activity was evaluated by the level of phospholipid metabolites: 4-hydroxynonenal, malondialdehyde, 8-isoprostanes and endocannabinoids (GC/LC-MS) in the human skin fibroblasts...
May 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28285366/nonmelanoma-skin-cancer-and-risk-of-all-cause-and-cancer-related-mortality-a-systematic-review
#16
REVIEW
Virginia Barton, Kent Armeson, Shalaka Hampras, Laura K Ferris, Kala Visvanathan, Dana Rollison, Anthony J Alberg
Some reports suggest that a history of nonmelanoma skin cancer (NMSC) may be associated with increased mortality. NMSCs have very low fatality rates, but the high prevalence of NMSC elevates the importance of the possibility of associated subsequent mortality from other causes. The variable methods and findings of existing studies leave the significance of these results uncertain. To provide clarity, we conducted a systematic review to characterize the evidence on the associations of NMSC with: (1) all-cause mortality, (2) cancer-specific mortality, and (3) cancer survival...
May 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28283753/cosmetic-applications-of-glucitol-core-containing-gallotannins-from-a-proprietary-phenolic-enriched-red-maple-acer-rubrum-leaves-extract-inhibition-of-melanogenesis-via-down-regulation-of-tyrosinase-and-melanogenic-gene-expression-in-b16f10-melanoma-cells
#17
Hang Ma, Jialin Xu, Nicholas A DaSilva, Ling Wang, Zhengxi Wei, Liangran Guo, Shelby L Johnson, Wei Lu, Jun Xu, Qiong Gu, Navindra P Seeram
The red maple (Acer rubrum) is a rich source of phenolic compounds which possess galloyl groups attached to different positions of a 1,5-anhydro-D-glucitol core. While these glucitol-core containing gallotannins (GCGs) have reported anti-oxidant and anti-glycative effects, they have not yet been evaluated for their cosmetic applications. Herein, the anti-tyrosinase and anti-melanogenic effects of a proprietary phenolic-enriched red maple leaves extract [Maplifa(™); contains ca. 45% ginnalin A (GA) along with other GCGs] were investigated using enzyme and cellular assays...
May 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28280914/differentiation-of-pityriasis-rubra-pilaris-from-plaque-psoriasis-by-dermoscopy
#18
N E Abdel-Azim, S A Ismail, E Fathy
Pityriasis rubra pilaris (PRP) and plaque psoriasis (PP) are two distinctive erythemato-squamous skin diseases that often have to be differentiated from each other and from other similar dermatoses. Dermoscopy has been proven to aid the clinical diagnosis of several inflammatory disorders, minimizing the need for skin biopsy. Our aim was to determine the dermoscopic patterns of PRP compared to PP and to assess the significance of certain dermoscopic criteria in the diagnosis of PRP. This case-control study included 11 patients with biopsy proven PRP and 25 patients with biopsy proven plaque psoriasis...
May 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28271213/the-influence-of-probiotics-for-preterm-neonates-on-the-incidence-of-atopic-dermatitis-results-from-a-historically-controlled-cohort-study
#19
Julie A Damm, Birgitte Smith, Gorm Greisen, Karen A Krogfelt, Maja-Lisa Clausen, Tove Agner
Probiotic supplementation is a promising preventive strategy for atopic dermatitis (AD). To help clarifying the significance of timing with respect to prevention of AD, we here evaluate the benefit of prophylactic use of probiotic supplementation in neonates younger than 30 weeks of gestation. Preterm children from the Department of Neonatology, Rigshospitalet, Denmark from two different admission periods were included in a historically controlled cohort study. Neonates from January 2007 to February 2010, not treated with and neonates from March 2010 to February 2013 treated with probiotic were enrolled...
May 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28255674/testing-of-viable-human-skin-cell-dilution-cultures-as-an-approach-to-validating-microsampling
#20
Stephen A Ainger, X L Hilary Yong, H Peter Soyer, Richard A Sturm
Skin biopsies are a valuable technique in the diagnosis of cutaneous inflammatory and neoplastic conditions. We were interested to test the minimal size or equivalent volume by dilution of proteolytically disassociated skin tissue required to allow the isolation and propagation of cutaneous cells, for freezing, storage and biochemical analysis. It was possible to propagate with 100% efficiency fibroblast and melanocytic cells from a 0.1 to 0.5 mm(3) equivalent neonatal foreskin sample using a combination of DispaseII and CollagenaseIV...
May 2017: Archives of Dermatological Research
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