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Journal of Dermatological Science

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https://www.readbyqxmd.com/read/30318169/serum-concentrations-of-hgf-are-correlated-with-response-to-anti-pd-1-antibody-therapy-in-patients-with-metastatic-melanoma
#1
Yosuke Kubo, Satoshi Fukushima, Yukiko Inamori, Mina Tsuruta, Sho Egashira, Saori Yamada-Kanazawa, Satoshi Nakahara, Aki Tokuzumi, Azusa Miyashita, Jun Aoi, Ikko Kajihara, Yusuke Tomita, Kazumasa Wakamatsu, Masatoshi Jinnin, Hironobu Ihn
BACKGROUND: Anti-programmed cell death protein (PD)-1 antibody treatment is associated with a notable improvement in only 30%-40% of patients. Thus, a predictive and easily measured marker of the clinical benefit of anti-PD-1 antibody treatment is necessary; therefore, in this study, we focused on the serum concentration of hepatocyte growth factor (HGF). OBJECTIVES: To evaluate whether the serum concentration of HGF can be used as a biomarker for the clinical response to anti-PD-1 antibody therapy...
October 6, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30270117/increased-expression-of-aquaporin-1-in-dermal-fibroblasts-and-dermal-microvascular-endothelial-cells-possibly-contributes-to-skin-fibrosis-and-edema-in-patients-with-systemic-sclerosis
#2
Takashi Yamashita, Yoshihide Asano, Ryosuke Saigusa, Takashi Taniguchi, Kouki Nakamura, Shunsuke Miura, Tetsuo Toyama, Takehiro Takahashi, Yohei Ichimura, Megumi Hirabayashi, Ayumi Yoshizaki, Tomomitsu Miyagaki, Makoto Sugaya, Shinichi Sato
BACKGROUND: Aquaporin-1 (AQP1), a water channel protein controlling the water contents of cells and tissues, exerts pleiotropic effects on various biological activities, including inflammation, angiogenesis, and extracellular matrix remodeling, by regulating cell behaviors and tissue water balance. OBJECTIVE: To investigate AQP1 roles in systemic sclerosis (SSc) which is characterized by autoimmune inflammation, vasculopathy, and tissue fibrosis. METHODS: AQP1 expression was evaluated by immunohistochemistry and quantitative reverse transcription PCR in skin samples from human and animal models and by immunoblotting in cultured cells...
September 21, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30268392/progranulin-overproduction-due-to-constitutively-activated-c-abl-pkc-%C3%AE-fli1-pathway-contributes-to-the-resistance-of-dermal-fibroblasts-to-the-anti-fibrotic-effect-of-tumor-necrosis-factor-%C3%AE-in-localized-scleroderma
#3
Takuya Miyagawa, Yohei Ichimura, Kouki Nakamura, Megumi Hirabayashi, Takashi Yamashita, Ryosuke Saigusa, Shunsuke Miura, Takehiro Takahashi, Tetsuo Toyama, Takashi Taniguchi, Kaname Akamata, Ayumi Yoshizaki, Shinichi Sato, Yoshihide Asano
BACKGROUND: Dermal fibroblasts derived from patients with systemic sclerosis (SSc) overproduce progranulin (PGRN), an endogenous antagonist of tumor necrosis factor (TNF) receptors, due to the deficiency of transcription factor Fli1. Fli1 expression is also decreased in dermal fibroblasts derived from patients with localized scleroderma (LSc). OBJECTIVE: To investigate the expression levels of PGRN and its contribution to the induction of pro-fibrotic phenotype in LSc dermal fibroblasts...
September 19, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30270116/cell-to-cell-transmission-of-hsv-1-in-differentiated-keratinocytes-promotes-multinucleated-giant-cell-formation
#4
Yoshiko Yamamoto, Takenobu Yamamoto, Yumi Aoyama, Wataru Fujimoto
BACKGROUND: Herpes simplex virus (HSV) infection in the skin causes small grouped vesicles characterized by acantholytic cells and multinucleated giant cells (MGCs). Although viral factors have been studied as fusion proteins, little is known how the differentiation status of keratinocytes is involved in the formation of MGCs by HSV-1 infection. OBJECTIVE: As the human epidermis is composed of several layers of keratinocytes that undergo terminal differentiation, we aimed to elucidate whether the differentiation status of keratinocytes affects viral entry, propagation, cell-to-cell transmission of HSV-1, and MGC formation...
September 18, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30270115/toll-like-receptor-signaling-induces-the-expression-of-lympho-epithelial-kazal-type-inhibitor-in-epidermal-keratinocytes
#5
Saeko Sugimoto, Shin Morizane, Hayato Nomura, Mina Kobashi, Satoru Sugihara, Keiji Iwatsuki
BACKGROUND: Lympho-epithelial Kazal-type inhibitor (LEKTI) tightly controls the activities of serine proteases such as kallikrein-related peptidase (KLK) 5 and KLK7 in the epidermis. LEKTI is known to be an essential molecule for the epidermal skin barrier, as demonstrated by SPINK5 nonsense mutation, which results in Netherton syndrome. Toll-like receptors (TLRs) recognize pathogen-associated molecular patterns or damage-associated molecular patterns and produce inflammatory cytokines, chemokines, and antimicrobial peptides...
September 15, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30262127/microrna-340-inhibits-squamous-cell-carcinoma-cell-proliferation-migration-and-invasion-by-downregulating-rhoa
#6
Huina Wang, Weinan Guo, Qiang Jian, Ke Xue, Min Huang, Sumin Chi, Chunying Li, Chengxin Li
BACKGROUND: MicroRNAs are reported to play an important role in tumor growth and metastasis, including squamous cell carcinoma (SCC). Accumulative evidence has revealed that dysregulated miR-340 expression contributed to the carcinogenesis and development of various cancers. OBJECTIVE: The aim of the current study was to investigate the role and the underlying mechanism of miR-340 in SCC cell proliferation, migration and invasion. METHODS: Quantitative real-time PCR was performed to examine the expression of miR-340 in SCC tissues and cell lines...
September 11, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30241690/cross-sectional-survey-on-disease-severity-in-japanese-patients-with-harlequin-ichthyosis-ichthyosis-syndromic-forms-and-quality-of-life-analysis-in-a-subgroup
#7
Chiaki Murase, Takuya Takeichi, Akitaka Shibata, Masahiro Nakatochi, Fumie Kinoshita, Akiharu Kubo, Kimiko Nakajima, Norito Ishii, Hiroo Amano, Koji Masuda, Hiroshi Kawakami, Takuro Kanekura, Ken Washio, Masayuki Asano, Kazuya Teramura, Eijiro Akasaka, Mikiko Tohyama, Yutaka Hatano, Toyoko Ochiai, Shinichi Moriwaki, Tomotaka Sato, Akemi Ishida-Yamamoto, Mariko Seishima, Michiko Kurosawa, Shigaku Ikeda, Masashi Akiyama
BACKGROUND: Congenital ichthyoses (CIs) adversely affect quality of life (QOL) in patients. However, the effects of CIs on patient QOL have not been studied sufficiently. OBJECTIVE: To investigate the association between disease severity and QOL in patients with harlequin ichthyosis (HI) and ichthyosis: syndromic forms (ISFs) METHODS: Clinical information of patients with HI and ISFs from 2010 to 2015 were obtained from 100 dermatology departments/divisions of principal institutes/hospitals throughout Japan...
September 11, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30219519/ethyl-2-4-dicarboethoxy-pantothenate-a-derivative-of-pantothenic-acid-prevents-cellular-damage-initiated-by-environmental-pollutants-through-nrf2-activation
#8
Mariko Yokota, Shoichi Yahagi, Hitoshi Masaki
BACKGROUND: Recently, environmental pollutants have become a concern not only for respiratory organs but also for skin-related human health, because skin is localized at the border between the human body and the external environment and is easily influenced by environmental pollutants. OBJECTIVE: Here, we investigated the effects of a novel pantothenic acid (PA) derivative, ethyl 2,4-dicarboethoxy pantothenate (EDCEP), on a diesel particulate extract (DPE) as a representative environmental pollutant that generates reactive oxygen species (ROS) through the activation of aryl hydrocarbon receptor (AHR) signaling...
September 9, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30219520/the-atopic-dermatitis-like-lesion-and-the-associated-mrsa-infection-and-barrier-dysfunction-can-be-alleviated-by-2-4-dimethoxy-6-methylbenzene-1-3-diol-from-antrodia-camphorata
#9
Shih-Chun Yang, Tse-Hung Huang, Chun-Hui Chiu, Wei-Ling Chou, Ahmed Alalaiwe, Yuan-Chieh Yeh, Kuan-Wen Su, Jia-You Fang
BACKGROUND: Atopic dermatitis (AD) is an inflammatory skin disease with an associated barrier dysfunction and Staphylococcus aureus infection. The mainstay steroid and calcineurin inhibitor therapy shows some adverse effects. 2,4-Dimethoxy-6-methylbenzene-1,3-diol (DMD) is a benzenoid isolated from Antrodia camphorata. OBJECTIVE: We investigated the inhibitory effect of DMD on methicillin-resistant S. aureus (MRSA), the chemokine production in stimulated keratinocytes, and the AD-like lesion found in ovalbumin (OVA)-sensitized mice...
September 7, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30220530/the-mtor-inhibitor-sirolimus-decreases-the-cyclosporine-induced-expression-of-the-oncogene-atf3-in-human-keratinocytes
#10
Katrin Schaper-Gerhardt, Antje Walter, Christina Schmitz-Rode, Imke Satzger, Ralf Gutzmer
BACKGROUND: Due to their immunosuppressive therapy, organtransplant recipients (OTRs) exhibit a high incidence for the development of cutaneous squamous cell carcinoma (cSCC). Randomized studies of kidney-transplanted patients indicate a significant lower susceptibility for cSCC among patients receiving the mTOR-inhibitor Sirolimus, compared to patients without mTOR-regimen. The exact mechanism, how mTOR inhibition affects keratinocyte carcinogenesis remains unclear. OBJECTIVE: Our aim was to investigate the impact of Sirolimus on the expression level of the oncogene ATF3, which is involved in the development and progression of cSCC...
September 5, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30237006/neutrophils-contribute-to-vasculitis-by-increased-release-of-neutrophil-extracellular-traps-in-beh%C3%A3-et-s-disease
#11
Rémi Safi, Romy Kallas, Tara Bardawil, Carl Joe Mehanna, Ossama Abbas, Rola Hamam, Imad Uthman, Abdul-Ghani Kibbi, Dany Nassar
BACKGROUND AND OBJECTIVES: Behçet's disease (BD) is a multi-system inflammatory disorder that can cause vasculitis. Here we questioned whether Neutrophils in BD cause vasculitis via releasing Neutrophil Extracellular Traps (NETs), a process called NETosis. METHODS: Circulating neutrophils were isolated from a cohort of Middle Eastern BD patients with an active disease and healthy volunteers. The percentage of NETs release was monitored in neutrophils stimulated or not with BD serum, and treated or not with Colchicine, Dexamethasone, Cl-amidine or N-Acetyl Cysteine (NAC)...
August 31, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30227989/low-dose-uvb-therapy-is-comparable-with-conventional-uvb-phototherapy-for-treatment-of-vitiligo-a-pilot-study
#12
LETTER
Szu-Hao Chiu, I Liang Liu, Yu Wen Chen, Cheng-Che E Lan
No abstract text is available yet for this article.
August 31, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30197274/blimp1-transcriptionally-induced-by-egfr-activation-and-post-translationally-regulated-by-proteasome-and-lysosome-is-involved-in-keratinocyte-differentiation-migration-and-inflammation
#13
Hua-Ching Chang, Duen-Yi Huang, Nan-Lin Wu, Reiji Kannagi, Li-Fang Wang, Wan-Wan Lin
BACKGROUND: B lymphocyte-induced maturation protein-1 (BLIMP1) is a transcriptional repressor, and plays a crucial role in the regulation of development and functions of various immune cells. Currently, there is limited understanding about the regulation of BLIMP1 expression in keratinocytes and crosstalk between EGFR and BLIMP1 in skin homeostasis. OBJECTIVE: The aim of the study was to investigate the regulation and functional link between EGFR and BLIMP1 in human epidermal keratinocytes...
August 31, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30206027/topical-3-bromopyruvate-is-a-novel-targeted-therapy-for-melanoma-in-a-preclinical-model
#14
Masayuki Yamada, Masami Kagaya, Natsuko Noguchi, Shigeharu Ueki, Naoko Hasunuma, Shin-Ichi Osada, Motomu Manabe
BACKGROUND: Targeting cancer metabolism is a promising strategy in improving cancer treatment. OBJECTIVE: To introduce a targeted therapy with topical 3-bromopyruvate (3BP), aglycolytic inhibitor, into the clinic in the near future. METHOD: We investigated the anti-tumor efficacy of 3BP on melanoma cells in vitro and in a preclinical model. RESULTS: Our cell-based study demonstrated that 3BP showed cytotoxicity for melanoma cells under anchorage-dependent or independent cell growth via a reactive oxygen species-mediated and caspase-independent cell death pathway...
August 30, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30190097/subcutaneous-infection-with-dematiaceous-fungi-in-card9-knockout-mice-reveals-association-of-impair-neutrophils-and-th-cell-response
#15
LETTER
Weiwei Wu, Ruijun Zhang, Xiaowen Wang, Yinggai Song, Ruoyu Li
No abstract text is available yet for this article.
August 24, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30166055/the-vitamin-d-3-analog-maxacalcitol-reduces-psoriasiform-skin-inflammation-by-inducing-regulatory-t-cells-and-downregulating-il-23-and-il-17-production
#16
Carren Sy Hau, Teruo Shimizu, Yayoi Tada, Masahiro Kamata, Shintaro Takeoka, Sayaka Shibata, Aya Mitsui, Yoshihide Asano, Makoto Sugaya, Takafumi Kadono, Shinichi Sato, Shinichi Watanabe
BACKGROUND: Psoriasis is a Th1/Th17-mediated inflammatory dermatosis treated with topical corticosteroids and vitamin D3 analogs (VD3 As). OBJECTIVE: To compare the effects of a VD3 A maxacalcitol and betamethasone valerate (BV) steroid lotion on topical imiquimod (IMQ)-induced psoriasiform skin inflammation. METHODS: Female BALB/c mice were treated with vehicle, maxacalcitol or BV lotion on the skin for 3 days, and IMQ cream for 6 days...
August 24, 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30153959/an-overview-of-epidermal-lamellar-bodies-novel-roles-in-biological-adaptations-and-secondary-barriers
#17
REVIEW
Gopinathan K Menon, Sang Eun Lee, Seung-Hun Lee
The epidermal lamellar bodies (LBs) are specialized organelles that contain pro-barrier lipids imparting a fully lamellar internal structure, but also other cargoes such as enzymes (lipid metabolizing and proteolytic), enzyme inhibitors, and antimicrobial peptides. Thus, the LB secretory system, by virtue of delivering these cargoes to the stratum corneum (SC) interstices, is essential for forming the various skin barriers located in the SC. Ultrastructural studies have suggested that the morphologic features of LBs reflect the functional status of the SC...
October 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30149967/mechanistic-and-pharmacological-assessment-of-murine-il-23-mediated-psoriasiform-dermatitis-implications-for-drug-discovery
#18
Stephen B Gauld, Donna Gauvin, Lauren Olson, Laura Leys, Stephanie Paulsboe, Zheng Liu, Rebecca M Edelmayer, Joseph Wetter, Katherine Salte, Yibing Wang, Susan Huang, Prisca Honore, Steven McGaraughty
BACKGROUND: Animal models of Psoriasis (PsO) are important for our understanding of the pathophysiology of human disease but rarely manifest all features of the disease. In order to facilitate greater understanding of the underlying biology of PsO it is key that we understand the strengths and limitations of models used. OBJECTIVE: While humanized mouse models are available for PsO they remain technically challenging, expensive, require prolonged timelines and require a continued source of human tissue...
October 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30146106/generation-of-trichogenic-adipose-derived-stem-cells-by-expression-of-three-factors
#19
Nahyun Choi, Junjeong Choi, Ji Hye Kim, Yaeji Jang, Joo Hye Yeo, Juwon Kang, Seung Yong Song, Jinu Lee, Jong-Hyuk Sung
BACKGROUND: Previous studies demonstrated that adipose-derived stem cells (ASCs) can promote hair growth, but unmet needs exist for enhancing ASC hair inductivity. OBJECTIVE: Therefore, we introduced three trichogenic factors platelet-derived growth factor-A, SOX2, and β-catenin to ASCs (tfASCs) and evaluated whether tfASCs have similar characteristics as dermal papilla (DP) cells. METHOD: Global gene expression was examined using NGS analysis...
October 2018: Journal of Dermatological Science
https://www.readbyqxmd.com/read/30143369/the-effect-of-levamisole-in-the-treatment-of-recalcitrant-recurrent-erythema-multiforme-major-an-observational-study
#20
Ren-Feng Liu, Chun-Bing Chen, Rosaline C Y Hui, Yue-Zon Kuan, Wen-Hung Chung
BACKGROUND: Erythema multiforme major (EMM) is an immune-mediated mucocutaneous eruption mostly triggered by herpes simplex virus (HSV) infection. A vicious circle of recurrence may be developed due to HSV reactivation and prolonged use of systemic corticosteroids to control EMM. Levamisole is an immunomodulator and has been applied to prevent relapses of recurrent HSV infection. OBJECTIVE: To evaluate the clinical efficacy and safety of levamisole in patients with recalcitrant recurrent EMM...
October 2018: Journal of Dermatological Science
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