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https://www.readbyqxmd.com/read/28434120/involvement-of-fas-fasl-pathway-in-the-murine-model-of-atopic-dermatitis
#1
Karolina Bień, Magdalena Żmigrodzka, Piotr Orłowski, Aleksandra Fruba, Łukasz Szymański, Wanda Stankiewicz, Zuzanna Nowak, Tadeusz Malewski, Małgorzata Krzyżowska
OBJECTIVE AND DESIGN: The aim of this study was to elucidate the role of apoptosis mediated through Fas/FasL pathway using the mouse model of atopic dermatitis (AD). MATERIALS AND TREATMENT: AD was induced by epicutaneous application of ovalbumin (OVA) in wild-type C57BL/6, B6. MRL-Faslpr/J (Fas-) and B6Smn.C3-Faslgld/J (FasL-) mouse strains. METHODS: Skin samples were subjected to staining for Fas/FasL expression, M30 epitope and assessment of inflammatory response via immunohistochemical staining...
April 22, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28432872/human-effector-memory-t-helper-cells-engage-with-mouse-macrophages-and-cause-graft-versus-host-like-pathology-in-skin-of-humanized-mice-used-in-a-nonclinical-immunization-study
#2
Bala S Sundarasetty, Valery Volk, Sebastian J Theobald, Susanne Rittinghausen, Dirk Schaudien, Vanessa Neuhaus, Constanca Figueiredo, Andreas Schneider, Laura Gerasch, Adele Mucci, Thomas Moritz, Constantin von Kaisenberg, Loukia M Spineli, Katherina Sewald, Armin Braun, Henning Weigt, Arnold Ganser, Renata Stripecke
Humanized mice engrafted with human hematopoietic stem cells and developing functional human T-cell adaptive responses are in critical demand to test human-specific therapeutics. We previously showed that humanized mice immunized with long-lived induced-dendritic cells loaded with the pp65 viral antigen (iDCpp65) exhibited a faster development and maturation of T cells. Herein, we evaluated these effects in a long-term (36 weeks) nonclinical model using two stem cell donors to assess efficacy and safety. Relative to baseline, iDCpp65 immunization boosted the output of effector memory CD4(+) T cells in peripheral blood and lymph nodes...
April 19, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28432721/emollients-and-moisturisers-for-eczema-abridged-cochrane-systematic-review-including-grade-assessments
#3
REVIEW
E J van Zuuren, Z Fedorowicz, B W M Arents
Eczema is a chronic inflammatory skin disorder with considerable impact on quality of life. Emollients or moisturisers are widely recommended, but are these effective and safe? We searched for randomised controlled trials (RCTs) in the Cochrane Skin Group Specialised Register, CENTRAL in The Cochrane Library, Medline, Embase, LILACS, GREAT database and five trial registers to December 2015. We included 77 RCTs with 6603 participants. Seven studies (9.1%) were at low risk of bias, 34 (44.2%) at unclear and 36 (46...
April 22, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28432719/effect-of-ficus-carica-leaf-extract-on-the-gene-expression-of-selected-factors-in-hacat-cells
#4
Murat Turkoglu, Erkin Pekmezci, Songul Kilic, Cihat Dundar, Hakan Sevinc
BACKGROUND: Ficus carica Linn. (Fc), common fig, has been traditionally used for many metabolic, cardiovasculary, respiratory, gastrointestinal, and skin disorders. Several studies were performed showing its anti-inflammatory, anti-angiogenic, anticancerogenic, and tissue-protective effects. In all of those studies, the positive effects of Fc were concluded as the result of its antioxidant and anti-inflammatory features due to the polyphenols it contains. AIMS: To study the phenolic compounds of Fc extract and to investigate the molecular basis of anti-inflammatory, anti-angiogenic, antimitotic, and anti-androgenic effects of Fc leaf extract in vitro...
April 22, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28432664/human-perinatal-immunity-in-physiological-conditions-and-during-infection
#5
REVIEW
Gijs T J van Well, Leonie A Daalderop, Tim Wolfs, Boris W Kramer
The intrauterine environment was long considered sterile. However, several infectious threats are already present during fetal life. This review focuses on the postnatal immunological consequences of prenatal exposure to microorganisms and related inflammatory stimuli. Both the innate and adaptive immune systems of the fetus and neonate are immature, which makes them highly susceptible to infections. There is good evidence that prenatal infections are a primary cause of preterm births. Additionally, the association between antenatal inflammation and adverse neonatal outcomes has been well established...
December 2017: Molecular and Cellular Pediatrics
https://www.readbyqxmd.com/read/28432555/rotundarpene-inhibits-tnf-%C3%AE-induced-activation-of-the-akt-mtor-and-nf-%C3%AE%C2%BAb-pathways-and-the-jnk-and-p38-associated-with-production-of-reactive-oxygen-species
#6
Arum Kim, Yoon Jeong Nam, Yong Kyoo Shin, Min Sung Lee, Dong Suep Sohn, Chung Soo Lee
Ilex Rotunda Thunb has been shown to have anti-inflammatory and antioxidant effects. In human keratinocytes, we investigated the effect of rotundarpene (4-caffeoyl-3-methyl-but-2-ene-1,4-diol) on the TNF-α-stimulated production of inflammatory mediators in relation to the Akt, mTOR, and NF-κB pathways, and the JNK and p38-MAPK. Rotundarpene, Akt inhibitor, Bay 11-7085, rapamycin, and N-acetylcysteine inhibited the TNF-α-stimulated production of cytokines and chemokines, increase in the levels of p-Akt and mTOR, activation of NF-κB, and production of reactive oxygen species in keratinocytes...
April 21, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28432437/an-italian-multicentre-study-on-adult-atopic-dermatitis-persistent-versus-adult-onset-disease
#7
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/28431948/serum-peptides-as-putative-modulators-of-inflammation-in-psoriasis
#8
Tetsuhiko Matsuura, Masaaki Sato, Kouhei Nagai, Toshiyuki Sato, Mitsumi Arito, Kazuki Omoteyama, Naoya Suematsu, Kazuki Okamoto, Tomohiro Kato, Yoshinao Soma, Manae S Kurokawa
BACKGROUND: Psoriasis is a refractory inflammatory disease, however, its pathophysiology is still not fully understood. OBJECTIVE: We tried to identify novel serum peptides associated with the pathophysiology of psoriasis. METHODS: Serum peptides from 24 patients with psoriasis vulgaris (PV), 10 patients with psoriatic arthritis (PsA), 14 patients with atopic dermatitis (AD), and 23 healthy control (HC) subjects were analyzed by mass spectrometry...
March 27, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28431925/analysis-of-pm2-5-induced-cytotoxicity-in-human-hacat-cells-based-on-a-microfluidic-system
#9
Yuxiao Zhang, Lulu Zheng, Jiang Tuo, Qi Liu, Xinlian Zhang, Zhixuan Xu, Sixiu Liu, Guodong Sui
Human exposure to PM2.5 causes several adverse health effects. Skin is the first barrier against harmful environmental substances and can has direct contact with PM2.5, but there is no study about PM2.5-induced cytotoxicity in human skin cells on the molecular level partially due to the shortcomings of traditional research methods. In present study, we established a microfluidic system including a cell culture chip integrated with a high-throughput protein microarray chip to investigate the mechanism of PM2...
April 18, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28431112/long-term-survival-of-the-mouse-es-cell-derived-mast-cell-medmc-brc6-in-mast-cell-deficient-kitw-sh-w-sh-mice
#10
Shohei Shibagaki, Satoko Tahara-Hanaoka, Takashi Hiroyama, Yukio Nakamura, Akira Shibuya
Mast cells (MCs) play pivotal roles in allergic reactions and the host defense against microbial infection through the immunoglobulin E (IgE)-dependent and IgE-independent signaling pathways. MC lines that can be analyzed both in vitro and in vivo would be useful for the study of MC-dependent immune responses. Here we investigated the functional characteristics of a mouse ES cell-derived mast cell-like cell line, MEDMC-BRC6. The cell line expressed FcεRI and c-Kit and showed degranulation and production of inflammatory cytokines and chemokine, including TNF-α, IL-6 and MCP-1, upon crosslinking FcεRI with IgE...
April 18, 2017: International Immunology
https://www.readbyqxmd.com/read/28430766/linear-immunoglobulin-a-dermatosis-a-case-report
#11
Fernando Valenzuela Ahumada, Roberto Bustos Macaya, Gabriela Paz Romero Morgado, Margarita Sánchez Chacón
We present the case of a sixty five year old woman with two months history of pruritus and hyperpigmented annular lesions on the trunk, buttocks and upper extremities. In addition, she presents vesicles with healthy skin on the basis, in the flexor aspect of wrists. No evidence of mucosal involvement. Histological study showed subepidermal vesicular dermatitis with inflammatory infiltrate of neutrophils and eosinophils. Direct immunofluorescence evidenced linear and continuous deposition of immunoglobulin A in basement membrane zone, compatible with linear immunoglobulin A disease...
April 4, 2017: Medwave
https://www.readbyqxmd.com/read/28430185/phospholipase-c%C3%AE-1-regulates-p38-mapk-activity-and-skin-barrier-integrity
#12
Kaori Kanemaru, Yoshikazu Nakamura, Kengo Totoki, Takatsugu Fukuyama, Madoka Shoji, Hisae Kaneko, Kanako Shiratori, Atsuko Yoneda, Takafumi Inoue, Yoichiro Iwakura, Kenji Kabashima, Kiyoko Fukami
Keratinocytes undergo a unique type of programmed cell death known as cornification, which leads to the formation of the stratum corneum (SC), the main physical barrier of the epidermis. A defective epidermal barrier is a hallmark of the two most common inflammatory skin disorders, psoriasis, and atopic dermatitis. However, the detailed molecular mechanisms of skin barrier formation are not yet fully understood. Here, we showed that downregulation of phospholipase C (PLC) δ1, a Ca(2+)-mobilizing and phosphoinositide-metabolizing enzyme abundantly expressed in the epidermis, impairs the barrier functions of the SC...
April 21, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28429969/advances-in-pharmacotherapeutic-management-of-common-skin-diseases-in-neonates-and-infants
#13
Annalisa Patrizi, Iria Neri, Giampaolo Ricci, Francesca Cipriani, Giulia Maria Ravaioli
neonatal and infantile skin diseases are frequently encountered in the clinical practice and represent worldwide a socioeconomic issue. They encompass a wide range of acquired or congenital conditions, including infections, vascular lesions and inflammatory diseases and can present with different degrees of severity, leading in some cases to dramatic complications. Areas covered: In this paper we report the most recent evidences on the management of some common skin diseases in neonates and infants. Hemangiomas, viral, fungal and bacterial infections, omphalitis, atopic and seborrhoeic dermatitis, napkin disease will be treated and discussed...
April 21, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28429695/lichenoid-type-cutaneous-hyperpigmentation-induced-by-nebivolol
#14
Abdullah Nabi Aslan, Murat Can Güney, Murat Akçay, Telat Keleş, Engin Bozkurt
Cutaneous hyperpigmentation is a common and well-defined side effect of many drugs, such as non-steroidal anti-inflammatory drugs, beta-blockers, and tetracyclines, but to the best of our knowledge there is no case of skin discoloration related to nebivolol in the literature. Presently described is lichenoid type cutaneous hyperpigmentation in a 46-year-old female patient. Hyperpigmentation emerged 3 months after initiating use of nebivolol and resolved after cessation of drug use. It was concluded that effect emerged as result of therapeutic doses of nebivolol...
April 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28429293/topical-delivery-of-fenoprofen-calcium-via-elastic-nano-vesicular-spanlastics-optimization-using-experimental-design-and-in-vivo-evaluation
#15
Dalia Ali Farghaly, Ahmed A Aboelwafa, Manal Y Hamza, Magdy I Mohamed
The aim of this study was to investigate the potential of surfactant-based nanovesicular system (spanlastics) for topical delivery of fenoprofen calcium (FPCa) to eliminate its oral gastrointestinal adverse effects. FPCa-loaded spanlastics were prepared by thin film hydration (TFH) technique according to a full factorial design to investigate the influence of formulation variables on the drug entrapment efficiency (%EE), particle size (PS), deformability index (DI), and the % drug released after 24 h through the cellulose membrane (Q24h) using Design-Expert® software...
April 20, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28429105/increased-expression-of-upa-upar-and-pai-1-in-psoriatic-skin-and-in-basal-cell-carcinomas
#16
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/28428827/fundamental-research-on-the-action-mechanism-of-the-800-nm-semiconductor-laser-on-skin-blackheads-and-coarse-pores
#17
Jie Lin, Li Jing, Hao Zhu, Fu-Sheng Dong
The aim of the study was to determine the mechanism of action of the 800 nm semiconductor laser on skin blackheads and coarse pores. A total of 24 healthy purebred short-haired male guinea pigs, weighing 350-400 g, were selected and smeared with 0.5 ml coal tar suspension evenly by injector once daily. Treatment was continued for 14 days to form an experimental area of 8×3 cm on the back of the guinea pigs. The animals were divided into the following groups: Normal control group (NC), low-dose laser treatment group (L-LS), high-dose laser treatment group (H-LS), and Q-switched Nd:YAG treatment group (QC)...
January 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28428089/enhanced-anti-rheumatic-activity-of-methotrexate-entrapped-ultradeformable-liposomal-gel-in-adjuvant-induced-arthritis-rat-model
#18
Alam Zeb, Omer Salman Qureshi, Chan-Hee Yu, Muhammad Akram, Hyung-Seo Kim, Myung-Sic Kim, Jong-Ho Kang, Arshad Majid, Sun-Young Chang, Ok-Nam Bae, Jin-Ki Kim
The aim of this study is to investigate in vivo anti-rheumatic activity of methotrexate-entrapped ultradeformable liposomal gel (MTX-UDLs-gel) in adjuvant-induced arthritis rat model. Methotrexate-entrapped ultradeformable liposomes (MTX-UDLs) with the optimal phosphatidylcholine to Tween 80 ratio (7:3, w/w) were incorporated into 1% Carbopol gel. MTX-UDLs-gel was characterized in terms of appearance, clarity, homogeneity, pH and drug content. The permeation of MTX-UDLs-gel across rat skin was investigated using Franz diffusion cell...
April 17, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28428059/the-decreased-growth-performance-and-impaired-immune-function-and-structural-integrity-by-dietary-iron-deficiency-or-excess-are-associated-with-tor-nf-%C3%AE%C2%BAb-p38mapk-nrf2-and-mlck-signaling-in-head-kidney-spleen-and-skin-of-grass-carp-ctenopharyngodon-idella
#19
Yan-Lin Guo, Wei-Dan Jiang, Pei Wu, Yang Liu, Xiao-Qiu Zhou, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Lin Feng
This study was conducted to investigate the effects of dietary iron on the growth, and immune function and structural integrity in head kidney, spleen and skin as well as the underlying signaling of young grass carp (Ctenopharyngodon idella). Total 630 grass carp (242.32 ± 0.58 g) were fed diets containing graded levels of iron at 12.15 (basal diet), 35.38, 63.47, 86.43, 111.09, 136.37 mg/kg (diets 2-6 were added with ferrous fumarate) and 73.50 mg/kg (diet 7 was added with ferrous sulfate) diet for 60 days...
April 17, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28427959/beneficial-effects-of-heparin-and-l-arginine-on-dermonecrosis-effect-induced-by-vipera-lebetina-venom-involvement-of-no-in-skin-regeneration
#20
Nouara Bennacef-Heffar, Fatima Laraba-Djebari
It is well known that snake venoms such as Viperidae caused severe local effects such as hemorrhage, myonecrosis and dermonecrosis which can lead to permanent tissue loss or the disability. The aim of this study is to evaluate the skin regeneration using heparin and L-arginine as well as the dermonecrotic effects induced by Vipera lebetina venom (VLV). To better understand the toxic effects induced by VLV and to prevent or treat these effects, we evaluate the local effects and the skin regeneration with or without drugs...
April 17, 2017: Acta Tropica
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