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https://www.readbyqxmd.com/read/28432467/renal-skin-syndromes
#1
REVIEW
Cristina Has, Yinghong He
Renal-skin syndroms are a group of genetic disorders with renal and cutaneous manifestations that target molecular components present in both organs. Inherited renal-skin syndromes are mainly associated with defects of cell-matrix adhesion. We provide a non-exhaustive overview of the main molecular players at cell-matrix adhesions in mouse models and in human genetic disorders affecting kidney and skin. Renal and urinary tract involvement is described in all four major epidermolysis bullosa types and, in particular, in junctional subtypes and in recessive dystrophic epidermolysis bullosa...
April 22, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28429757/soft-electronics-enabled-ergonomic-human-computer-interaction-for-swallowing-training
#2
Yongkuk Lee, Benjamin Nicholls, Dong Sup Lee, Yanfei Chen, Youngjae Chun, Chee Siang Ang, Woon-Hong Yeo
We introduce a skin-friendly electronic system that enables human-computer interaction (HCI) for swallowing training in dysphagia rehabilitation. For an ergonomic HCI, we utilize a soft, highly compliant ("skin-like") electrode, which addresses critical issues of an existing rigid and planar electrode combined with a problematic conductive electrolyte and adhesive pad. The skin-like electrode offers a highly conformal, user-comfortable interaction with the skin for long-term wearable, high-fidelity recording of swallowing electromyograms on the chin...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28427244/whole-genome-expression-analyses-of-type-2-diabetes-in-human-skin-reveal-altered-immune-function-and-burden-of-infection
#3
Chun Wu, Xiaopan Chen, Jing Shu, Chun-Ting Lee
Skin disorders are among most common complications associated with type 2 diabetes mellitus (T2DM). Although T2DM patients are known to have increased risk of infections and other T2DM-related skin disorders, their molecular mechanisms are largely unknown. This study aims to identify dysregulated genes and gene networks that are associated with T2DM in human skin. We compared the expression profiles of 56,318 transcribed genes on 74 T2DM cases and 148 gender- age-, and race-matched non-diabetes controls from the Genotype-Tissue Expression (GTEx) database...
March 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28419941/pamam-generation-4-incorporated-gelatin-3d-matrix-as-an-improved-dermal-substitute-for-skin-tissue-engineering
#4
Somnath Maji, Tarun Agarwal, Tapas Kumar Maiti
The study explored the prospects of PAMAM (generation 4) applicability in gelatin based scaffolds for skin tissue engineering. The effect of PAMAM on physico-chemical and biological characteristics of gelatin scaffolds was evaluated. Gelatin scaffolds (with/without PAMAM) were prepared by lyophilization, chemically crosslinked by glutaraldehyde and characterized for their morphology (pore size), chemical features (bond nature), water adsorption, biodegradation and biological compatibility. The study demonstrated that addition of PAMAM did not significantly alter the pore size distribution or porosity of the scaffolds...
April 5, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28413376/ferromagnetic-folded-electrode-composite-as-a-soft-interface-to-the-skin-for-long-term-electrophysiological-recording
#5
Kyung-In Jang, Han Na Jung, Jung Woo Lee, Sheng Xu, Yu Hao Liu, Yinji Ma, Jae-Woong Jeong, Young Min Song, Jeonghyun Kim, Bong Hun Kim, Anthony Banks, Jean Won Kwak, Yiyuan Yang, Dawei Shi, Zijun Wei, Xue Feng, Ungyu Paik, Yonggang Huang, Roozbeh Ghaffari, John A Rogers
This paper introduces a class of ferromagnetic, folded, soft composite material for skin-interfaced electrodes with releasable interfaces to stretchable, wireless electronic measurement systems. These electrodes establish intimate, adhesive contacts to the skin, in dimensionally stable formats compatible with multiple days of continuous operation, with several key advantages over conventional hydrogel based alternatives. The reported studies focus on aspects ranging from ferromagnetic and mechanical behavior of the materials systems, to electrical properties associated with their skin interface, to system-level integration for advanced electrophysiological monitoring applications...
October 25, 2016: Advanced Functional Materials
https://www.readbyqxmd.com/read/28413196/the-molecular-cues-regulating-immune-cell-trafficking
#6
Akira Takeda, Naoko Sasaki, Masayuki Miyasaka
Lymphocyte recirculation between the blood and the lymphoid/non-lymphoid tissues is an essential homeostatic mechanism that regulates humoral and cellular immune responses in vivo. This system promotes the encounter of naïve T and B cells with their specific cognate antigen presented by dendritic cells, and with the regulatory cells with which they need to interact to initiate, maintain, and terminate immune responses. The constitutive lymphocyte trafficking is mediated by particular types of blood vessels, including the high endothelial venules (HEVs) in lymph nodes and Peyer's patches, and the flat-walled venules in non-lymphoid tissues including the skin...
2017: Proceedings of the Japan Academy. Series B, Physical and Biological Sciences
https://www.readbyqxmd.com/read/28412393/adhesion-induced-eosinophil-cytolysis-requires-the-ripk3-mlkl-signaling-pathway-which-is-counter-regulated-by-autophagy
#7
Susanne Radonjic-Hoesli, Xiaoliang Wang, Elisabeth de Graauw, Christina Stoeckle, Beata Styp-Rekowska, Ruslan Hlushchuk, Dagmar Simon, Peter J Spaeth, Shida Yousefi, Hans-Uwe Simon
BACKGROUND: Eosinophils are a subset of granulocytes which can be involved in the pathogenesis of different diseases, including allergy. Their effector functions are closely linked to their cytotoxic granule proteins. The release takes place by several different mechanisms, one of which is cytolysis, which is associated with the release of intact granules, so-called clusters of free eosinophil granules. The mechanism underlying this activation-induced form of cell death in eosinophils has remained unclear...
April 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28411333/technological-device-for-manufacturing-transdermal-films-possible-applications-to-the-individualized-treatment-for-erectile-dysfunction
#8
Francisco José Raposo, Hudson Caetano Polonini, Anderson Ferreira, Nádia Rezende Barbosa Raposo, Marcos Antônio Fernandes Brandão
Pharmacological advances in erectile dysfunction (ED) treatment have aroused growing interest among health professionals towards sexual dysfunction, generating an increasing demand for dosage forms and drug delivery systems, including tadalafil. This study aimed to develop a device to generate patches that would enable drug dosage individualization and transdermal administration. To create such a mechanical device, technical drawings were made using the CAD software. A functional prototype was built, and a pharmaceutical formulation containing tadalafil (10 mg cm(-2)) was prepared...
April 14, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28407719/anti-inflammatory-activity-of-clove-eugenia-caryophyllata-essential-oil-in-human-dermal-fibroblasts
#9
Xuesheng Han, Tory L Parker
CONTEXT: Clove (Eugenia caryophyllata Thunb. [Myrtaceae]) essential oil (CEO) has been shown to possess antimicrobial, antifungal, antiviral, antioxidant, anti-inflammatory and anticancer properties. However, few studies have focused on its topical use. OBJECTIVE: We investigated the biological activity of a commercially available CEO in a human skin disease model. MATERIALS AND METHODS: We evaluated the effect of CEO on 17 protein biomarkers that play critical roles in inflammation and tissue remodelling in a validated human dermal fibroblast system, which was designed to model chronic inflammation and fibrosis...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28406163/actomyosin-contractility-provokes-contact-inhibition-in-e-cadherin-ligated-keratinocytes
#10
Hiroaki Hirata, Mikhail Samsonov, Masahiro Sokabe
Confluence-dependent inhibition of epithelial cell proliferation, termed contact inhibition, is crucial for epithelial homeostasis and organ size control. Here we report that among epithelial cells, keratinocytes, which compose the stratified epithelium in the skin, possess a unique, actomyosin-dependent mechanism for contact inhibition. We have observed that under actomyosin-inhibited conditions, cell-cell contact itself through E-cadherin promotes proliferation of keratinocytes. Actomyosin activity in confluent keratinocytes, however, inhibits nuclear localization of β-catenin and YAP, and causes attenuation of β-catenin- and YAP-driven cell proliferation...
April 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28403370/adherence-and-factors-related-to-acceptance-of-alcohol-for-antiseptic-hand-rubbing-among-nursing-professionals
#11
Adriana Cristina de Oliveira, Camila Sarmento Gama, Adriana Oliveira de Paula
OBJECTIVE: Identify rates of adhesion and related factors to acceptance of an alcohol based preparation to hands antiseptic friction among nursing professionals in a unit of intensive therapy. METHOD: A cross-sectional study, which involved direct observation of hand hygiene opportunities and nursing professionals' completion of questionnaires, was conducted at a university hospital between January and July 2015. Descriptive and univariate analyses were performed, with a 5% significance level...
April 6, 2017: Revista da Escola de Enfermagem da U S P
https://www.readbyqxmd.com/read/28400148/accelerated-re-epithelialization-of-partial-thickness-skin-wounds-by-a-topical-betulin-gel-results-of-a-randomized-phase-iii-clinical-trials-program
#12
Juan P Barret, Fred Podmelle, Břetislav Lipový, Hans-Oliver Rennekampff, Hauke Schumann, Agnes Schwieger-Briel, Tobias R Zahn, Hans-Robert Metelmann
The clinical significance of timely re-epithelialization is obvious in burn care, since delayed wound closure is enhancing the risk of wound site infection and extensive scarring. Topical treatments that accelerate wound healing are urgently needed to reduce these sequelae. Evidence from preliminary studies suggests that betulin can accelerate the healing of different types of wounds, including second degree burns and split-thickness skin graft wounds. The goal of this combined study program consisting of two randomized phase III clinical trials in parallel is to evaluate whether a topical betulin gel (TBG) is accelerating re-epithelialization of split-thickness skin graft (STSG) donor site wounds compared to standard of care...
April 8, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28395094/mountain-medical-kits-epidemiology-based-recommendations-and-analysis-of-medical-supplies-carried-by-mountain-climbers-in-colorado
#13
William E Brandenburg, Brian W Locke
Objective: : To provide medical kit recommendations for short mountain wilderness recreation trips (hiking, trekking, backpacking, mountaineering etc.) based on the epidemiology of injury and illness sustained and best treatment guidelines. Additionally, to compare these recommendations to the medical kit contents of mountain climbers in Colorado. Methods: : A primary literature review concerning the epidemiology of injury and illness in mountain wilderness settings was performed...
March 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28394773/occupational-contact-dermatitis-in-north-american-production-workers-referred-for-patch-testing-retrospective-analysis-of-cross-sectional-data-from-the-north-american-contact-dermatitis-group-1998-to-2014
#14
Erin M Warshaw, Solveig L Hagen, Joel G DeKoven, Kathryn A Zug, Denis Sasseville, Donald V Belsito, Matthew J Zirwas, Joseph F Fowler, James S Taylor, Anthony F Fransway, Vincent A DeLeo, James G Marks, Melanie D Pratt, Howard I Maibach, C G Toby Mathias
BACKGROUND: Little is known about the epidemiology of contact dermatitis in production workers (PWs). OBJECTIVE: The aims of this study were to estimate the prevalence of contact dermatitis and characterize clinically relevant and occupationally related allergens among North American PWs undergoing patch testing. METHODS: This was a retrospective cross-sectional analysis of North American Contact Dermatitis Group data from 1998 to 2014. RESULTS: Of 39,332 patch-tested patients, 2732 (7...
April 7, 2017: Dermatitis
https://www.readbyqxmd.com/read/28393239/psoriasin-promotes-invasion-aggregation-and-survival-of-pancreatic-cancer-cells-association-with-disease-progression
#15
Ying Liu, Carly Bunston, Nicholas Hodson, Jeyna Resaul, Ping-Hui Sun, Shuo Cai, Gang Chen, Yanan Gu, Lucy K Satherley, David C Bosanquet, Bilal Al-Sarireh, Xiuyun Tian, Chunyi Hao, Wen G Jiang, Lin Ye
Psoriasin (S100A7) is an 11-kDa small calcium binding protein initially isolated from psoriatic skin lesions. It belongs to the S100 family of proteins which play an important role in a range of cell functions including proliferation, differentiation, migration and apoptosis. Aberrant Psoriasin expression has been implicated in a range of cancers and is often associated with poor prognosis. This study examined the role of Psoriasin on pancreatic cancer cell functions and the implication in progression of the disease...
May 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28392382/angiogenenic-effects-of-bplec-a-c-type-lectin-isolated-from-bothrops-pauloensis-snake-venom
#16
Letícia Eulalio Castanheira, Daiana Silva Lopes, Sarah Natalie Cirilo Gimenes, Simone Ramos Deconte, Bruno Antônio Ferreira, Patricia Terra Alves, Luiz Ricardo Goulart Filho, Tatiana Carla Tomiosso, Renata Santos Rodrigues, Kelly Aparecida Geraldo Yoneyama, Fernanda de Assis Araújo, Veridiana de Melo Rodrigues
The present work reports the effects of a C-type lectin (BpLec) isolated from Bothrops pauloensis snake venom upon in vitro and in vivo angiogenesis models. Initially, we noted that BpLec was not cytotoxic to endothelial cells (tEnd) in doses up to 40μg/mL, but lower doses (2.5μg/mL, 5μg/mL, 10μg/mL and 20μg/mL) reduced tEnd cells adhesion to some extracellular matrix proteins and inhibited the in vitro vessel formation in Matrigel assay stimulated by bFGF. β-galactosides (d-lactose, N-acetyl-d-galactosamine and d-galactose) at 400mM reversed the effect of BpLec on tEnd cells adhesion, whereas d-galactose (400mM) partially reversed BpLec property of inhibiting vessel formation by tEnd cells in Matrigel...
April 6, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28391377/pro-angiogenic-capacities-of-microvesicles-produced-by-skin-wound-myofibroblasts
#17
Mays Merjaneh, Amélie Langlois, Sébastien Larochelle, Chanel Beaudoin Cloutier, Sylvie Ricard-Blum, Véronique J Moulin
Wound healing is a very highly organized process where numerous cell types are tightly regulated to restore injured tissue. Myofibroblasts are cells that produce new extracellular matrix and contract wound edges. We previously reported that the human myofibroblasts isolated from normal wound (WMyos) produced microvesicles (MVs) in the presence of the serum. In this study, MVs were further characterized using a proteomic strategy and potential functions of the MVs were determined. MV proteins isolated from six WMyo populations were separated using two-dimensional differential gel electrophoresis...
April 8, 2017: Angiogenesis
https://www.readbyqxmd.com/read/28389713/skin-permeation-and-antioxidant-efficacy-of-topically-applied-resveratrol
#18
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/28388801/safety-of-2-octyl-cyanoacrylate-in-spreader-grafting
#19
Aurora G Standlee, Marc H Hohman
Cyanoacrylate adhesives can make the placement of spreader grafts in open septorhinoplasty technically easier, but its use is off-label beneath the skin. There is a theoretical risk of toxicity from cyanoacrylate breakdown products, but this risk has not been thoroughly studied in rhinoplasty. The objective was to evaluate the effects of subcutaneous cyanoacrylate use during spreader graft placement in rhinoplasty in a retrospective review of open septorhinoplasties in which 2-octyl cyanoacrylate was used to aid placement of spreader grafts...
April 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28382616/stratum-corneum-profiles-of-inflammatory-mediators-in-patch-test-reactions-to-common-contact-allergens-and-sodium-lauryl-sulfate
#20
S A Koppes, S Ljubojevic Hadzavdic, I Jakasa, N Franceschi, R Jurakić Tončić, B Marinović, R Brans, S Gibbs, M H W Frings-Dresen, T Rustemeyer, S Kezic
BACKGROUND: Recent studies have demonstrated allergen-specific differences in the gene expression of inflammatory mediators in patch tested skin. OBJECTIVES: To determine levels of various inflammatory mediators in the stratum corneum (SC) after patch testing with common contact allergens and the skin irritant sodium lauryl sulfate (SLS). METHODS: In total, 27 individuals who had previously patch tested positive to nickel, chromium, methylchloroisothiazolinone/methylisothiazolinone (MCI/MI) or para-phenylenediamine were retested and then patch tested with SLS and petrolatum, with petrolatum serving as the patch test control...
November 4, 2016: British Journal of Dermatology
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