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https://www.readbyqxmd.com/read/27933737/testing-the-influence-of-surfactant-based-wound-dressings-on-proteinase-activity
#1
Sunyoung Jeong, Gregory S Schultz, Daniel J Gibson
Proteinases are enzymes that can digest other proteins. In chronic wounds, a sub-class of these enzymes with the ability to degrade the extracellular matrix (matrix metalloproteinases, MMPs) have been found to both inhibit healing and to be able to aid in enzymatically debriding a wound. Enzymatic debridement using the enzymes present in a wound is generally called autolytic debridement. Clinicians seeking to employ autolytic debridement typically use occlusive materials such as medical honey, alginate dressings and other occlusive dressings...
December 8, 2016: International Wound Journal
https://www.readbyqxmd.com/read/27933731/independent-risk-factors-for-the-development-of-skin-erosion-due-to-incontinence-incontinence-associated-dermatitis-category-2-in-nursing-home-residents-results-from-a-multivariate-binary-regression-analysis
#2
Nele Van Damme, Karen Van den Bussche, Dorien De Meyer, Ann Van Hecke, Sofie Verhaeghe, Dimitri Beeckman
The aim of this study was to identify characteristics independently associated with a higher risk of developing skin damage because of incontinence [incontinence-associated dermatitis (IAD) category 2] in nursing home residents. As part of a larger randomised controlled trial, IAD incidence was monitored for 1 month in a sample of 381 incontinent residents using a validated IAD Severity Categorisation Tool. Data on demographical, physical, functional and psychological characteristics were collected. The overall IAD incidence (category 1-2) was 30·0%, and 6% of the participants developed skin damage (IAD category 2)...
December 9, 2016: International Wound Journal
https://www.readbyqxmd.com/read/27933665/detection-of-dna-sequences-from-a-novel-papillomavirus-in-a-feline-basal-cell-carcinoma
#3
John S Munday, Adrienne French, Neroli Thomson
BACKGROUND: Basal cell carcinomas (BCCs) are uncommon feline skin neoplasms of uncertain cause. CASE: A 14-year-old Abyssinian cat developed a soft dermal nodule on the dorsal thorax. This mass grew slowly over a six month period before being surgically excised. METHODS AND RESULTS: Histology revealed a BCC. Additionally, changes suggestive of an early Bowenoid in situ carcinoma (BISC) were present in the overlying epidermis. Both the BCC and the BISC contained papillomavirus-induced cell changes and prominent basophilic intracytoplasmic bodies...
December 8, 2016: Veterinary Dermatology
https://www.readbyqxmd.com/read/27933321/introduction-of-basic-dermatologic-ultrasound-in-undergraduate-medical-education
#4
F Alfageme, E Cerezo, I S Fernandez, R Aguilo, A Vilas-Sueiro, G Roustan
Purpose: Teaching ultrasound procedures to undergraduates has recently been proposed to improve the quality of medical education. We address the impact of applying standardized dermatologic ultrasound teaching to our undergraduates. Materials and Methods: Medical students were offered an additional theoretical and practical seminar involving hands-on ultrasound dermatologic ultrasound during their mandatory dermatology practical training. The students' theoretical knowledge and dermatologic ultrasoud skills were tested with a multiple choice questionnaire extracted from Level 1 Spanish Society of Ultrasound Dermatologic Ultrasound accreditation exam before and after the course...
November 2016: Ultrasound International Open
https://www.readbyqxmd.com/read/27933205/dermatomyositis-flare-on-imiquimod-therapy-highlights-a-crucial-role-of-aberrant-tlr7-signalling
#5
Alain Meyer, Ghada Alsaleh, Claude Heuschling, Jacques-Eric Gottenberg, Philippe Georgel, Benard Geny, Seiamak Bahram, Jean Sibilia
No abstract text is available yet for this article.
2016: RMD Open
https://www.readbyqxmd.com/read/27932746/-distribution-of-pain-and-numbness-in-patients-with-cervical-spine-disorders
#6
Keita Kuraishi, Masaki Mizuno, Yasuyuki Umeda, Tomoki Ishigaki, Ryuta Yasuda, Takanori Sano, Masato Shiba, Fumihiro Kawakita, Yoshinari Nakatsuka, Kazuhiro Furukawa, Satoru Tanioka, Masanori Tsuji, Masayuki Kitagami, Seiji Hatazaki, Hidenori Suzuki
PURPOSE: To elucidate the distribution of improved pain and numbness after cervical decompression surgery in patients with cervical spine disorders. METHODS: This study included 4 men and 5 women aged 45 to 71 years(mean 58 years)presenting with radiculopathy and 50 men and 17 women aged 35 to 88 years(mean 66 years)presenting with myelopathy. RESULTS: All 9 patients with radiculopathy presented with neck pain, and 3 presented with cervical angina...
December 2016: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/27932590/the-accuracy-of-measurements-of-nonmelanoma-skin-cancer-sizes-referred-to-the-mohs-surgery-clinic
#7
Derek To, Jillian Macdonald
BACKGROUND: Tumour size is a crucial factor used to plan Mohs procedures. Larger tumours require more time and stages of excision, and they need to be triaged as a higher priority. Therefore, the accuracy in measurement of tumour size is critical. OBJECTIVE: To investigate if there is a significant difference in accuracy of tumour measurements in referrals between dermatologists and nondermatologists. METHODS AND MATERIALS: Performed a retrospective study of 180 referrals from dermatologists and 47 referrals from nondermatologists to The Ottawa Hospital Riverside Mohs Surgery Clinic...
December 8, 2016: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/27932517/allergin-1-inhibits-tlr2-mediated-mast-cell-activation-and-suppresses-dermatitis
#8
Satoshi Tsurusaki, Satoko Tahara-Hanaoka, Shohei Shibagaki, Shota Miyake, Masamichi Imai, Shiro Shibayama, Masato Kubo, Akira Shibuya
TLR2 recognizes cell wall components of Staphylococcus aureus, which colonizes >90% of atopic eczematous skin lesions. The regulatory mechanisms of TLR2 signaling in the skin remain unclear. Allergin-1, an inhibitory immunoglobulin-like receptor containing an ITIM, is expressed on mast cells (MCs) and inhibits IgE-mediated anaphylaxis in mice. Here, we show that Allergin-1 inhibits TLR2-mediated activation of, and inflammatory cytokine production by, MCs in vitro Compared with wild-type mice, Allergin-1-deficient mice showed enhanced ear swelling with enhanced collagen deposition and greater Ly6G(+) neutrophil recruitment after intra-dermal injection of Pam2CSK4 into pinnae...
November 8, 2016: International Immunology
https://www.readbyqxmd.com/read/27932277/detection-of-subclinical-ultrasound-enthesopathy-and-nail-disease-in-patients-at-risk-of-psoriatic-arthritis
#9
Marie Acquitter, Laurent Misery, Alain Saraux, Luc Bressollette, Sandrine Jousse-Joulin
OBJECTIVES: To detect subclinical entheses and nail abnormalities using gray-scale (GS) and power Doppler ultrasonography (PDUS) between patients with nail psoriasis and those with inverse and scalp psoriasis. METHODS: In this prospective monocentric study, patients with nail, inverse and scalp psoriasis, without psoriatic arthritis or systemic treatment, were included. Clinical evaluation and ultrasonographic assessment of 14 entheses and 12 nails were done by a dermatologist (clinical assessment) and a rheumatologist (ultrasonographic assessment)...
December 5, 2016: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/27932274/a-glutathione-s-transferase-tugstd05-associated-with-acaricide-resistance-in-tetranychus-urticae-directly-metabolizes-the-complex-ii-inhibitor-cyflumetofen
#10
Nena Pavlidi, Mousaalreza Khalighi, Antonis Myridakis, Wannes Dermauw, Nicky Wybouw, Dimitra Tsakireli, Euripides G Stephanou, Nikolaos E Labrou, John Vontas, Thomas Van Leeuwen
Cyflumetofen is a recently introduced acaricide with a novel mode of action, acting as an inhibitor of complex II of mitochondrial electron transport chain. It is activated by hydrolysis and the resulting de-esterified metabolite is a much stronger inhibitor. Cyflumetofen represents a great addition for the control of mite species including Tetranychus urticae, a major agricultural pest, which has the ability to develop resistance to most classes of pesticides rapidly. A resistant strain (Tu008R) was recently described and synergism experiments pointed towards the involvement of GSTs...
December 5, 2016: Insect Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27932255/triolein-reduces-mmp-1-upregulation-in-dermal-fibroblasts-generated-by-ros-production-in-uvb-irradiated-keratinocytes
#11
Gustavo J Leirós, Ana Gabriela Kusinsky, María Eugenia Balañá, Karin Hagelin
BACKGROUND: Cytokine production and oxidative stress generated by ultraviolet radiation B (UVB) skin exposure are main factors of skin photoaging. Interleukin-6 (IL-6) produced by irradiated keratinocytes is proposed to have a role in metalloproteinases (MMPs) expression activation in dermal fibroblasts. OBJECTIVES: We examined the effect of triolein treatment of UVB-irradiated keratinocytes on MMP1 (interstitial collagenase) expression response of dermal fibroblasts...
November 27, 2016: Journal of Dermatological Science
https://www.readbyqxmd.com/read/27932240/surgery-versus-5-imiquimod-for-nodular%C3%A2-and-superficial-basal-cell-carcinoma-5-year-results-of-the-sins%C3%A2-randomized-controlled-trial
#12
Hywel C Williams, Fiona Bath-Hextall, Mara Ozolins, Sarah J Armstrong, Graham B Colver, William Perkins, Paul S J Miller
We previously reported modest clinical 3-year benefit for topical imiquimod compared with surgery for superficial or nodular basal cell carcinoma at low-risk sites in our noninferiority randomized controlled SINS trial. Here we report 5-year data. Participants were randomized to imiquimod 5% cream once daily (superficial basal cell carcinoma, 6 weeks; nodular basal cell carcinoma, 12 weeks) or excisional surgery (4-mm margin). The primary outcome was clinical absence of initial failure or signs of recurrence at the 3-year dermatology review...
November 23, 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27932059/classical-transient-receptor-potential-trpc6-channels-support-myofibroblast-differentiation-and-development-of-experimental-pulmonary-fibrosis
#13
Katharina Hofmann, Susanne Fiedler, Sarah Vierkotten, Jonas Weber, Stephan Klee, Jie Jia, Wolfgang Zwickenpflug, Veit Flockerzi, Ursula Storch, Ali Önder Yildirim, Thomas Gudermann, Melanie Königshoff, Alexander Dietrich
Pulmonary fibrosis (PF) is a chronic progressive lung disease without effective medical treatment options leading to respiratory failure and death within 3-5 years of diagnosis. The pathological process of PF is driven by aberrant wound-healing involving fibroblasts and myofibroblasts differentiated by secreted profibrotic transforming growth factor β (TGF-β1). Classical transient receptor potential 6 (TRPC6), a Na(+)- and Ca(2+)-permeable cation channel, is able to promote myofibroblast conversion of primary rat cardiac and human dermal fibroblasts and TRPC6-deficiency impaired wound healing after injury...
December 5, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27932041/source-apportionment-and-health-risk-assessment-of-heavy-metals-in-soil-for-a-township-in-jiangsu-province-china
#14
Yanxue Jiang, Sihong Chao, Jianwei Liu, Yue Yang, Yanjiao Chen, Aichen Zhang, Hongbin Cao
Human activities contribute greatly to heavy metal pollution in soils. Concentrations of 15 metal elements were detected in 105 soil samples collected from a typical rural-industrial town in southern Jiangsu, China. Among them, 7 heavy metals-lead, copper, zinc, arsenic, chromium, cadmium, and nickel-were considered in the health risk assessment for residents via soil inhalation, dermal contact, and/or direct/indirect ingestion. Their potential sources were quantitatively apportioned by positive matrix factorization using the data set of all metal elements, in combination with geostatistical analysis, land use investigation, and industrial composition analysis...
December 5, 2016: Chemosphere
https://www.readbyqxmd.com/read/27931974/mathematical-modeling-of-atopic-dermatitis-reveals-double-switch-mechanisms-underlying-four-common-disease-phenotypes
#15
Elisa Domínguez-Hüttinger, Panayiotis Christodoulides, Kosuke Miyauchi, Alan D Irvine, Mariko Okada-Hatakeyama, Masato Kubo, Reiko J Tanaka
BACKGROUND: The skin barrier acts as the first line of defense against constant exposure to biological, microbial, physical and chemical environmental stressors. Dynamic interplay between defects in the skin barrier, dysfunctional immune responses, and environmental stressors are major factors in the development of atopic dermatitis (AD). A systems-biology modeling approach can yield significant insights into these complex and dynamic processes through integration of prior biological data...
December 5, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27931973/effect-of-probiotics-in-prevention-of-atopic-dermatitis-is-dependent-on-the-intrinsic-microbiota-at-early-infancy
#16
Ekaterina Avershina, Raul Cabrera-Rubio, Krister Lundgård, Gaspar Perez-Martinez, Maria Carmen Collado, Ola Storrø, Torbjørn Øien, Christian Kvikne Dotterud, Roar Johnsen, Knut Rudi
Although a link between probiotic intervention and reduction in atopic disease has been documented, no consistent associations with microbiota has yet been established. Here we have conducted an extensive analysis of the microbiota from more than 250 mother child pairs from a probiotic intervention cohort, where we previously have shown 40 % reduction in atopic dermatitis. Within the probiotic intervention group at the age of 10 days we found that the atopic children had a deviating microbiota (p = 0.028, BH-FDR corrected Kruskal Wallis) with high levels (> 10 %) of a bacterium related to Bifidobacterium dentium (p=0...
December 5, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27931952/chemical-peeling-a-useful-tool-in-the-office
#17
M Truchuelo, P Cerdá, L F Fernández
Chemical peeling is a common treatment in cosmetic dermatology. A peel that has been used for many years is trichloroacetic acid. Its adverse effects have for a long time been a major limitation. We present a practical review of the characteristics, mechanisms of action, indications, and complications of superficial chemical peels and of peeling with trichloroacetic acid.
December 5, 2016: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/27931861/neutrophilic-dermatosis-of-the-hands
#18
Miguel Ángel Flores-Terry, Monserrat Franco-Muñoz, M Del Prado Sánchez-Caminero, Mónica García-Arpa
No abstract text is available yet for this article.
December 5, 2016: Medicina Clínica
https://www.readbyqxmd.com/read/27931749/-hereditary-epidermolysis-bullosa-french-national-guidelines-pnds-for-diagnosis-and-treatment
#19
C Chiaverini, E Bourrat, J Mazereeuw-Hautier, S Hadj-Rabia, C Bodemer, J-P Lacour
Hereditary epidermolysis bullosa (EB) is a heterogeneous group of rare genetic diseases characterized by fragile skin and/or mucous membrane, and it may be either local or generalized. It is caused by mutations in genes encoding different proteins involved mainly in the structure and function of the dermal-epidermal junction. Nineteen genes have so far been identified. They are classified by level of skin cleavage (from top to bottom) into four groups: EB simplex, junctional EB, dystrophic EB and Kindler syndrome...
December 5, 2016: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/27931742/schistosoma-mansoni-antigens-alter-activation-markers-and-cytokine-profile-in-lymphocytes-of-patients-with-asthma
#20
Tarcísio Vila Verde Santana de Almeida, Jamille Souza Fernandes, Diego Mota Lopes, Lorena Santana Andrade, Sérgio Costa Oliveira, Edgar M Carvalho, Maria Ilma Araujo, Álvaro A Cruz, Luciana Santos Cardoso
: Asthma is a chronic disease characterized by airway inflammation, obstruction and hyperresponsiveness. Severe asthma affects a small proportion of subjects but results in most of the morbidity, costs and mortality associated with the disease. Studies have suggested that Schistosoma mansoni infection reduces the severity of asthma and prevent atopy. OBJECTIVE: We evaluated the ability of S. mansoni antigens, Sm29 and Sm29TSP-2 to modulate lymphocyte activation status in response to the allergen of the mite Dermatophagoides pteronyssinus (Der p1) in cell cultures of individuals with asthma...
December 5, 2016: Acta Tropica
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