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Journal of Dermatological Science

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https://www.readbyqxmd.com/read/28330775/novel-interferon-%C3%AE-enzyme-linked-immunospot-assay-using-activated-cells-for-identifying-hypersensitivity-inducing-drug-culprits
#1
Kenichi Kato, Asami Kawase, Hiroaki Azukizawa, Takaaki Hanafusa, Yukinobu Nakagawa, Hiroyuki Murota, Shimon Sakaguchi, Hideo Asada, Ichiro Katayama
BACKGROUND: The drug-induced lymphocyte stimulation test (DLST), also referred to as lymphocyte transformation test (LTT), is used to identify the culprit drug in cases of cutaneous adverse drug reactions (cADR). Although DLST is a widely used in vitro test, its sensitivity and specificity are unsatisfactory. Recent reports suggest that the detection of drug-induced interferon (IFN)-γ production using enzyme-linked immunoSpot (ELISpot) assay (conventional IFN-γ ELISpot) is useful for identifying culprit drugs in cADR cases...
March 14, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28330776/topical-application-of-glycolic-acid-suppresses-the-uvb-induced-il-6-il-8-mcp-1-and-cox-2-inflammation-by-modulating-nf-%C3%AE%C2%BAb-signaling-pathway-in-keratinocytes-and-mice-skin
#2
Sheau-Chung Tang, Pei-Yun Liao, Sung-Jen Hung, Jheng-Siang Ge, Shiou-Mei Chen, Ji-Ching Lai, Yu-Ping Hsiao, Jen-Hung Yang
BACKGROUND: Glycolic acid (GA), commonly present in fruits, has been used to treat dermatological diseases. Extensive exposure to solar ultraviolet B (UVB) irradiation plays a crucial role in the induction of skin inflammation. The development of photo prevention from natural materials represents an effective strategy for skin keratinocytes. OBJECTIVE: The aim of this study was to investigate the molecular mechanisms underlying the glycolic acid (GA)-induced reduction of UVB-mediated inflammatory responses...
March 11, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28336124/ultraviolet-b-inhibition-of-dnmt1-activity-via-ahr-activation-dependent-sirt1-suppression-in-cd4-t-cells-from-systemic-lupus-erythematosus-patients
#3
Zhouwei Wu, Xingyu Mei, Zuolin Ying, Yue Sun, Jun Song, Weimin Shi
BACKGROUND: Previous studies have reported that ultraviolet B (UVB) inhibits DNA methyltransferase1 (DNMT1) activity in CD4+ T cells from systemic lupus erythematosus (SLE) patients. Silent mating type information regulation 2 homolog 1 (SIRT1) is a type of Class III histone deacetylases (HDACs), and has been reported to play roles in the pathogenesis of different autoimmune diseases and can modulate DNMT1 activity. Moreover, aryl hydrocarbon receptor (AhR) has been reported to link UVB with SLE...
March 10, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28302404/mesenchymal-stem-cells-derived-mfg-e8-accelerates-diabetic-cutaneous-wound-healing
#4
Akihiko Uchiyama, Sei-Ichiro Motegi, Akiko Sekiguchi, Chisako Fujiwara, Buddhini Perera, Sachiko Ogino, Yoko Yokoyama, Osamu Ishikawa
BACKGROUND: Diabetic wounds are intractable due to complex factors, such as the inhibition of angiogenesis, dysfunction of phagocytosis by macrophages and abnormal inflammatory responses. It is recognized that mesenchymal stem cells (MSCs) promote wound healing in diabetic mice. We previously demonstrated that MSCs produce large amounts of MFG-E8. OBJECT: The objective was to ascertain the role of MSCs-derived MFG-E8 in murine diabetic wounds. METHODS: MFG-E8 WT/KO MSCs or rMFG-E8 were subcutaneously injected around the wound in diabetic db/db mice, and wound areas were analyzed...
March 6, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28292562/a-quantitative-analysis-of-multilineage-differentiating-stress-enduring-muse-cells-in-human-adipose-tissue-and-efficacy-of-melanocytes-induction
#5
Takeshi Yamauchi, Kenshi Yamasaki, Kenichiro Tsuchiyama, Saaya Koike, Setsuya Aiba
We have shown previously that multilineage-differentiating stress-enduring (Muse) cells in neonatal fibroblasts can differentiate into functional melanocytes. In this study, we quantitate Muse cells in adipose-mesenchymal stem cells (adipose-MSCs) of human subcutaneous tissue obtained from 11 subjects of various ages, and measured efficacy of melanocytes induction from Adipose-MSC-derived Muse cells (hASC-Muse cells). There was a statistically significant negative correlation between the age of donors and the numbers of adipose-MSCs recovered per g fat as well as the percentage of SSEA3+ cells in the adipose-MSC populations, but isolated hASC-Muse cells showed pluripotency and growth curves equally regardless the age of donors...
March 6, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28314658/management-of-chronic-inducible-urticaria-according-to-the-guidelines-a-prospective-controlled-study
#6
Emek Kocatürk, Pelin Kuteyla Can, Pırıl Etikan Akbas, Mehmet Copur, Ece Nur Degirmentepe, Kübra Kızıltac, Ralfi Singer
BACKGROUND: The recommended treatment approach in chronic inducible urticarias (CIndU) is the same as that for chronic spontaneous urticaria (CSU). But there is a lack of controlled trials assessing efficacy of available treatment options. OBJECTIVE: We aimed to evaluate the efficacy of treatment algorithm recommended by the guidelines and comparison of treatment responses in CIndU vs CSU. METHODS: This prospective parallel group controlled study included 70 CIndU and 66 CSU patients...
March 1, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28274513/pctaire1-cdk16-pctk1-is-overexpressed-in-cutaneous-squamous-cell-carcinoma-and-regulates-p27-stability-and-cell-cycle
#7
Teruki Yanagi, Hiroo Hata, Eri Mizuno, Shinya Kitamura, Keisuke Imafuku, Shinichi Nakazato, Lei Wang, Hiroshi Nishihara, Shinya Tanaka, Hiroshi Shimizu
BACKGROUND: PCTAIRE1 (also known as cyclin-dependent kinase 16 (Cdk16) and PCTK1) is a Cdk family protein that has been implicated in spermatogenesis. We recently revealed the function of PCTAIRE1 in the tumorigenesis of malignancies, including breast and prostate cancers; however, the tumorigenic function of PCTAIRE1 in cutaneous squamous cell carcinoma (SCC) remains unclear. OBJECTIVE: In this study, we investigated the role of PCTAIRE1 in the tumorigenesis of cutaneous SCCs...
February 22, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28242341/lowering-relative-humidity-level-increases-epidermal-protein-deimination-and-drives-human-filaggrin-breakdown
#8
Laura Cau, Valérie Pendaries, Emeline Lhuillier, Paul R Thompson, Guy Serre, Hidenari Takahara, Marie-Claire Méchin, Michel Simon
BACKGROUND: Deimination (also known as citrullination), the conversion of arginine in a protein to citrulline, is catalyzed by a family of enzymes called peptidylarginine deiminases (PADs). Three PADs are expressed in the epidermis, one of their targets being filaggrin. Filaggrin plays a central role in atopic dermatitis and is a key protein for the epidermal barrier. It aggregates keratins and is cross-linked to cornified envelopes. Following its deimination, it is totally degraded to release free amino acids, contributing to the natural moisturizing factor (NMF)...
February 20, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28242342/e7-protein-of-cutaneous-human-papillomavirus-attenuates-viperin-expression-in-human-keratinocytes
#9
LETTER
Hyeon Soo Lee, Ji Hyun Lee, Young Min Park
No abstract text is available yet for this article.
February 16, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28233586/elevated-moesin-mrna-level-in-skin-tissue-of-patients-with-polyarteritis-nodosa-based-on-real-time-rt-pcr
#10
LETTER
Tamihiro Kawakami, Tatsuro Okano, Sora Takeuchi, Yoshinao Soma, Fuyu Ito, Akihiro Ishizu, Yoshihiro Arimura, Kazuo Suzuki
No abstract text is available yet for this article.
February 15, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28233587/measles-virus-infection-of-human-keratinocytes-possible-link-between-measles-and-atopic-dermatitis
#11
Geraldine Gourru-Lesimple, Cyrille Mathieu, Thomas Thevenet, Vanessa Guillaume-Vasselin, Jean-François Jégou, Cindy G Boer, Katarzyna Tomczak, Louis-Marie Bloyet, Celine Giraud, Sophie Grande, Catherine Goujon, Catherine Cornu, Branka Horvat
BACKGROUND: Measles virus (MV) infection is marked with a skin rash in the acute phase of the disease, which pathogenesis remains poorly understood. Moreover, the association between measles and progression of skin diseases, such as atopic dermatitis (AD), is still elusive. OBJECTIVE: We have thus analysed the susceptibility of human keratinocytes to MV infection and explore the potential relationship between MV vaccination and the pathogenesis the AD. METHODS: We performed immunovirological characterisation of MV infection in human keratinocytes and then tested the effect of live attenuated measles vaccine on the progression of AD in adult patients, in a prospective, double-blind study...
February 10, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28209294/sulfated-glycosaminoglycans-and-non-classically-secreted-proteins-basic-fgf-and-epimorphin-coordinately-regulate-tgf-%C3%AE-induced-cell-behaviors-of-human-scar-dermal-fibroblasts
#12
Tomoatsu Horigome, Shinya Takumi, Kota Shirai, Takumi Kido, Natsumi Hagiwara-Chatani, Ayumi Nakashima, Naoki Adachi, Hiroko Yano, Yohei Hirai
BACKGROUND: Upon skin injuries, dermal fibroblasts actively produce transforming growth factor-β (TGF-β), which leads to the formation of α-smooth muscle actin (αSMA)-positive granulation tissues. The hyperplasia or incomplete regression of these tissues subsequently causes scar formation in the skin, where sulfated glycosaminoglycans (GAGs), side chains of unique proteoglycans, are supposed to play important roles. OBJECTIVE: The aim of this study is to clarify the effects of sulfated GAGs on dermal cell behaviors triggered by the TGF-β signaling, along with its possible regulators basic fibroblast growth factor (bFGF) and cell surface epimorphin...
February 3, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28196618/dermoscopic-features-predicting-the-presence-of-mitoses-in-thin-melanoma
#13
S Ribero, G Argenziano, A Lallas, E Moscarella, E Benati, M Raucci, S Piana, C Longo
BACKGROUND: The latest AJCC classification has included the number of mitoses as a factor for upstaging thin melanomas. Meanwhile, while dermoscopy has often been used to predict melanoma thickness, its value in predicting number of mitoses remains unknown. OBJECTIVE: Our aim is to evaluate the correlation between dermoscopic features and the presence of mitoses in a consecutive cohort of thin melanomas. METHODS: A case control study has been performed to identify specific dermoscopic parameters that could differentiate thin melanomas with 1 or more mitoses per mm2 from those without mitoses...
February 3, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28187958/expression-of-oncogenic-mir-17-92-and-tumor-suppressive-mir-143-145-clusters-in-basal-cell-carcinoma-and-cutaneous-squamous-cell-carcinoma
#14
Michael Sand, Schapoor Hessam, Susanne Amur, Marina Skrygan, Michael Bromba, Eggert Stockfleth, Thilo Gambichler, Falk G Bechara
BACKGROUND: A variety of cancers are associated with the expression of the oncogenic miR-17-92 cluster (Oncomir-1) and tumor suppressor miR-143-5p/miR-145-5p. Epidermal skin cancer has not been investigated for the expression of miR-17-92 and miR-143-145 clusters, despite being extensively studied regarding global microRNA profiles. The goal of this study was to investigate the expression and possible correlation of expression of miR17-92 and miR-143-145 cluster members in epidermal skin cancer...
January 31, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28185769/intact-wound-repair-activity-of-human-mesenchymal-stem-cells-after-ym155-mediated-selective-ablation-of-undifferentiated-human-embryonic-stem-cells
#15
Keun-Tae Kim, Ho-Chang Jeong, C-Yoon Kim, Eun-Young Kim, Si-Hyun Heo, Seung-Ju Cho, Ki-Sung Hong, Hyuk-Jin Cha
BACKGROUND: Risk of teratoma formation during human pluripotent stem cell (hPSC)-based cell therapy is one of the technical hurdles that must be resolved before their wider clinical application. To this end, selective ablation of undifferentiated hPSCs has been achieved using small molecules whose application should be safe for differentiated cells derived from the hPSCs. OBJECTIVE: However, the functional safety of such small molecules in the cells differentiated from hPSCs has not yet been extensively validated...
January 31, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28179066/leucine-rich-%C3%AE-2-glycoprotein-is-an-innovative-biomarker-for-psoriasis
#16
LETTER
Hideki Nakajima, Satoshi Serada, Minoru Fujimoto, Tetsuji Naka, Shigetoshi Sano
No abstract text is available yet for this article.
January 29, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28143684/prevalence-of-filaggrin-gene-mutations-in-patients-with-atopic-dermatitis-and-ichthyosis-vulgaris-in-kyushu-area-of-japan-and-south-korea
#17
LETTER
Kwesi Teye, Sanae Numata, Rafal P Krol, Norito Ishii, Mitsuhiro Matsuda, Jee-Bum Lee, Takahiro Hamada, Takashi Hashimoto
No abstract text is available yet for this article.
January 22, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28153538/photo-pollution-stress-in-skin-traces-of-pollutants-pah-and-particulate-matter-impair-redox-homeostasis-in-keratinocytes-exposed-to-uva1
#18
Jérémie Soeur, Jean-Philippe Belaïdi, Christel Chollet, Laurence Denat, Ariane Dimitrov, Christophe Jones, Philippe Perez, Martine Zanini, Olivia Zobiri, Sakina Mezzache, Dominique Erdmann, Guillaume Lereaux, Joan Eilstein, Laurent Marrot
BACKGROUND: It is likely that skin is exposed to low concentrations of pollutants such as Polycyclic Aromatic Hydrocarbons (PAH) either through topical penetration by ultrafine particles or by systemic distribution. No precise estimation of pollutants in living skin is available, but literature has reported contamination of blood by PAH at concentrations in the nanomolar range. Some pollutants (PAH for example) are photo-reactive and phototoxic: sunlight and pollution might thus synergistically compromise skin health...
January 16, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28108060/yogurt-consumption-in-infancy-is-inversely-associated-with-atopic-dermatitis-and-food-sensitization-at-5-years-of-age-a-hospital-based-birth-cohort-study
#19
Tetsuo Shoda, Masaki Futamura, Limin Yang, Masami Narita, Hirohisa Saito, Yukihiro Ohya
BACKGROUND: Several studies have suggested that habitual yogurt consumption is associated with favorable outcomes for health issues in children. However, the effects of yogurt consumption on allergic diseases and sensitization in children remain poorly understood. OBJECTIVE: This prospective birth cohort study aimed to investigate for associations between habitual yogurt consumption in infancy and development of allergic diseases/sensitization at 5 years of age...
January 6, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28094099/association-between-1082%C3%A2-a-g-polymorphism-in-il-10-and-oral-lichen-planus-a-meta-analysis
#20
LETTER
Min Qiu, Jiayi Wang, Pengfei He, Hao Xv, Jiao Wei, Wang Gong, Lu Jiang, Qianming Chen
No abstract text is available yet for this article.
January 6, 2017: Journal of Dermatological Science
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