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https://www.readbyqxmd.com/read/29046027/-frequency-of-skin-reactivity-to-food-allergens-in-allergic-patients
#1
Heriberto Camero-Martínez, Aída Inés López-García, Daniela Rivero-Yeverino, Chrystopherson Gengyny Caballero-López, Oswaldo Arana-Muñoz, Sergio Papaqui-Tapia, Isabel Cristina Rojas-Méndez, Elizabeth Vázquez-Rojas
BACKGROUND: Food allergy is deemed to have a worldwide prevalence ranging from 2 to 10 %. OBJECTIVE: To determine the frequency of skin reactivity to food allergens by age groups. METHODS: Cross-sectional, descriptive, prolective, observational study. Patients aged from 2 to 64 years with symptoms consistent with allergic disease were included. Skin prick tests were carried out with food allergens. Frequencies and percentages were estimated...
July 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/29046024/clinical-impact-in-the-real-life-of-guidelines-recommendations-for-atopic-dermatitis-in-a-tropical-population-teccema-cohort
#2
Jorge Sánchez, Yuliana Toro, Ricardo Cardona
BACKGROUND: Real-life impact of guidelines for the management of atopic dermatitis has been poorly studied. OBJECTIVE: To assess atopic dermatitis clinical control in residents of a tropical area managed according to international consensuses. METHODS: Prospective study with a 24-month follow-up. Clinical response was assessed with SCORAD, DLQI and a subjective scale (SS) on severity perception by the patient. RESULTS: Two-hundred and thirty-three patients were stratified according to SCORAD: 53 had mild severity (22%), 116 moderate (49%) and 64 severe (27%)...
July 2017: Revista Alergia Mexico: Organo Oficial de la Sociedad Mexicana de Alergia e Inmunología, A.C
https://www.readbyqxmd.com/read/29045979/-changes-of-serum-krebs-von-den-lungen-6-levels-in-interstitial-lung-disease-associated-with-dermatomyositis-and-secondary-sj%C3%A3-gren-s-syndrome-a-case-report
#3
J F Yu, Y B Jin, J He, Y An, Z G Li
Interstitial lung diseases (ILDs) are a diverse group of pulmonary disorders characterized by various patterns of inflammation and fibrosis in the interstitium of the lung. The underlying pathogenesis of ILDs is complex and associated with multiple rheumatologic conditions, such as systemic sclerosis, rheumatoid arthritis, pollymyositis and dermatomyositis, Sjögren's syndrome, and systemic lupus erythematosus. As the disease progresses, excessive pulmonary fibrosis impairs alveolar gas exchange and damages pulmonary function...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29045708/association-between-polycyclic-aromatic-hydrocarbon-exposure-and-peripheral-blood-mononuclear-cell-dna-damage-in-human-volunteers-during-fire-extinction-exercises
#4
Maria Helena Guerra Andersen, Anne Thoustrup Saber, Per Axel Clausen, Julie Elbæk Pedersen, Mille Løhr, Ali Kermanizadeh, Steffen Loft, Niels Ebbehøj, Åse Marie Hansen, Peter Bøgh Pedersen, Ismo Kalevi Koponen, Eva-Carina Nørskov, Peter Møller, Ulla Vogel
This study investigated a number of biomarkers, associated with systemic inflammation as well as genotoxicity, in 53 young and healthy subjects participating in a course to become firefighters, while wearing personal protective equipment (PPE). The exposure period consisted of a 3-day training course where the subjects participated in various live-fire training exercises. The subjects were instructed to extinguish fires of either wood or wood with electrical cords and mattresses. The personal exposure was measured as dermal polycyclic aromatic hydrocarbon (PAH) concentrations and urinary excretion of 1-hydroxypyrene (1-OHP)...
October 13, 2017: Mutagenesis
https://www.readbyqxmd.com/read/29045689/sensitivity-to-house-dust-mites-allergens-with-atopic-asthma-and-its-relationship-with-cd14-c-159t-polymorphism-in-patients-of-west-bengal-india
#5
Amlan Ghosh, Shampa Dutta, Sanjoy Podder, Priti Mondal, Arghya Laha, Nimai Chandra Saha, Saibal Moitra, Goutam Kumar Saha, Richard Johnson
India is the home to around 15-20 million asthmatics, and asthma prevalence is increasing in Indian metropolitan area, including Kolkata, West Bengal. Complex interactions of genetic and environmental factors are involved in asthma. Genome-wide search for susceptible loci regulating IgE response (atopy) have identified a candidate gene CD14 which is most important in the context of allergic responses of respiratory system. This study was aimed to investigate the role of house dust and house dust mites in development of bronchial asthma and to explore the possible association of candidate gene CD14 with disease manifestation among Kolkata patient population...
October 17, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29045192/a-dna-vaccine-delivered-by-dermal-electroporation-fully-protects-cynomolgus-macaques-against-lassa-fever
#6
Kathleen A Cashman, Eric R Wilkinson, Carl I Shaia, Paul R Facemire, Todd M Bell, Jeremy J Bearss, Joshua D Shamblin, Suzanne E Wollen, Kate E Broderick, Niranjan Y Sardesai, Connie S Schmaljohn
Lassa virus (LASV) is an ambisense RNA virus in the Arenaviridae family and is the etiological agent of Lassa fever, a severe hemorrhagic disease endemic to West and Central Africa (1,2) . There are no U.S. Food and Drug Administration (FDA)-licensed vaccines available to prevent Lassa fever (1,2) . in our previous studies, we developed a gene-optimized DNA vaccine that encodes the glycoprotein precursor gene of LASV (Josiah strain) and demonstrated that three vaccinations accompanied by dermal electroporation protected guinea pigs from LASV-associated illness and death...
October 18, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29045127/revealing-dynamics-of-accumulation-of-systemically-injected-liposomes-in-the-skin-by-intravital-microscopy
#7
James I Griffin, Guankui Wang, Weston J Smith, Vivian P Vu, Robert Scheinman, Dominik Stitch, Radu Moldovan, Seyed Moein Moghimi, Dmitri Simberg
Accumulation of intravenously injected cytotoxic liposomes in the skin induces serious toxicity. We used single time point and longitudinal intravital microscopy to understand skin accumulation dynamics of non-PEGylated and PEGylated liposomes after systemic injection into mice. Non-PEGylated egg phosphatidylcholine (PC) liposomes showed short circulation half-life (1.3 h) and immediate aggregation in the blood, with some aggregates lodging in skin microvasculature soon after the injection. At 24 h, and more prominently at 48 h postinjection, liposomes appeared in dermal and subdermal cells...
October 18, 2017: ACS Nano
https://www.readbyqxmd.com/read/29045016/liquid-crystalline-networks-toward-regenerative-medicine-and-tissue-repair
#8
Daniele Martella, Paolo Paoli, Josè M Pioner, Leonardo Sacconi, Raffaele Coppini, Lorenzo Santini, Matteo Lulli, Elisabetta Cerbai, Diederik S Wiersma, Corrado Poggesi, Cecilia Ferrantini, Camilla Parmeggiani
The communication reports the use of liquid crystalline networks (LCNs) for engineering tissue cultures with human cells. Their ability as cell scaffolds for different cell lines is demonstrated. Preliminary assessments of the material biocompatibility are performed on human dermal fibroblasts and murine muscle cells (C2C12), demonstrating that coatings or other treatments are not needed to use the acrylate-based materials as support. Moreover, it is found that adherent C2C12 cells undergo differentiation, forming multinucleated myotubes, which show the typical elongated shape, and contain bundles of stress fibers...
October 17, 2017: Small
https://www.readbyqxmd.com/read/29045012/photodynamic-therapy-inhibits-melanogenesis-through-paracrine-effects-by-keratinocytes-and-fibroblasts
#9
Sue Kyung Kim, Seung-Jae Oh, Se-Yeon Park, Woo-Jung Kim, You-Sun Kim, You Chan Kim
Photodynamic therapy (PDT) is a treatment option for skin cancer and premalignant skin diseases and exhibits rejuvenation effects, including reducing fine wrinkles and whitening, on aged skin. In the present study, we investigated the mechanism underlying the whitening effects of PDT on melanocytes in vitro and in vivo. Exposure of melanocytes to PDT in vitro reduced their melanin content and tyrosinase activity without, however, affecting cell survival. Interestingly, melanogenesis was also inhibited by exposing melanocytes to conditioned media of PDT-treated keratinocytes or dermal fibroblasts...
October 17, 2017: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/29044786/unique-profile-of-antimicrobial-peptides-expression-in-polymorphic-light-eruption-lesions-compared-to-healthy-skin-atopic-dermatitis-and-psoriasis
#10
VijayKumar Patra, Gerlinde Mayer, Alexandra Gruber-Wackernagel, Michael Horn, Serena Lembo, Peter Wolf
BACKGROUND: Polymorphic light eruption (PLE) has been attributed to type IV, most likely delayed-type hypersensitivity response (adaptive immunity) but little is known on innate immunity, especially antimicrobial peptides (AMPs) in the disease. Abnormalities in AMP expression have been linked to pathological skin conditions such as atopic dermatitis (AD) and psoriasis. METHODS: AMP profiling was done in PLE skin samples (n,12) compared with that of healthy (n,13), atopic (n,6) and psoriatic skin (n,6)...
October 16, 2017: Photodermatology, Photoimmunology & Photomedicine
https://www.readbyqxmd.com/read/29044701/malignant-pecoma
#11
Daniela Haiges, Philipp Kurz, Helmut Laaff, Frank Meiss, Heinz Kutzner, Kristin Technau-Hafsi
We report a metastasizing PEComa in a pregnant 41-year-old female who had initially presented at her dermatologist during the first trimester of pregnancy with a newly developed indolent, slowly growing dermatofibroma-like tumor on the back of the left thigh. During pregnancy and after parturition, the lesion considerably progressed in size (Fig.1); tumor excision was performed 14 months after initial presentation.
October 16, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29044619/variation-in-crocodilian-dorsal-scute-organization-and-geometry-with-a-discussion-of-possible-functional-implications
#12
Lauren T English
Dermal ossifications, including osteoderms, are present in many vertebrates and are frequently interpreted as a defense against predators. Nevertheless, osteoderms remain ubiquitous in adult crocodilians while being absent in hatchlings, even though adults rarely experience predation. In other biological systems, increased variation, particularly fluctuating asymmetry, have proven useful for identifying biological structures likely to have evolved under relaxed selection, which in turn may inform their function...
October 17, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/29044593/patterns-of-chondrification-and-ossification-in-the-skull-of-graptemys-pseudogeographica-the-false-map-turtle-emydidae
#13
Sharon C Danielson, Christopher A Sheil
Patterns of ossification and chondrification are well-described for several species of turtles, but details of the chondrocranial anatomy are known for only a handful of species. Cleared and double-stained embryos of Graptemys pseudogeographica were used to examine the fully formed chondrocranium and the formation, chondrification, and ossification of the cranium. The chondrocranium of G. pseudogeographica possesses an unusually large, irregularly shaped foramen epiphaniale that is joined with the fenestra olfactoria...
October 17, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/29044554/contact-dermatitis-caused-by-a-new-rubber-compound-detected-in-canvas-shoes
#14
Eva Hulstaert, Ola Bergendorff, Christina Persson, An Goossens, Liesbeth Gilissen, Malin Engfeldt, Magnus Bruze, Marie L Schuttelaar, Joost M Meijer, Hilde Lapeere
BACKGROUND: In 2015 and 2016, female patients in Flanders consulted a dermatologist because they developed skin lesions after wearing a specific brand of canvas shoes. OBJECTIVES: To identify the culprit allergen in the shoes. METHODS: Eighteen young females aged 14-22 years presented with itching and erythematous to purple-coloured eczematous lesions on both feet. They were patch tested by 10 dermatologists with the European baseline series...
October 17, 2017: Contact Dermatitis
https://www.readbyqxmd.com/read/29044179/the-effect-of-insecticide-synergist-treatment-on-genome-wide-gene-expression-in-a-polyphagous-pest
#15
Simon Snoeck, Robert Greenhalgh, Luc Tirry, Richard M Clark, Thomas Van Leeuwen, Wannes Dermauw
Synergists can counteract metabolic insecticide resistance by inhibiting detoxification enzymes or transporters. They are used in commercial formulations of insecticides, but are also frequently used in the elucidation of resistance mechanisms. However, the effect of synergists on genome-wide transcription in arthropods is poorly understood. In this study we used Illumina RNA-sequencing to investigate genome-wide transcriptional responses in an acaricide resistant strain of the spider mite Tetranychus urticae upon exposure to synergists such as S,S,S-tributyl phosphorotrithioate (DEF), diethyl maleate (DEM), piperonyl butoxide (PBO) and cyclosporin A (CsA)...
October 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29043891/rapidly-progressive-interstitial-lung-disease-in-a-patient-with-anti-mda5-positive-amyopathic-dermatomyositis
#16
A Nandy, S Gaïni, P Sore
No abstract text is available yet for this article.
October 18, 2017: Scandinavian Journal of Rheumatology
https://www.readbyqxmd.com/read/29043785/elevated-exposures-to-polycyclic-aromatic-hydrocarbons-and-other-organic-mutagens-in-ottawa-firefighters-participating-in-emergency-on-shift-fire-suppression
#17
Jennifer L A Keir, Umme S Akhtar, David M J Matschke, Tracy L Kirkham, Hing Man Chan, Pierre Ayotte, Paul A White, Jules M Blais
Occupational exposures to combustion emissions were examined in Ottawa Fire Service (OFS) firefighters. Paired urine and dermal wipe samples (i.e., pre- and post-event) as well as personal air samples and fire event questionnaires were collected from 27 male OFS firefighters. A total of 18 OFS office workers were used as additional controls. Exposures to polycyclic aromatic hydrocarbons (PAHs) and other organic mutagens were assessed by quantification of urinary PAH metabolite levels, levels of PAHs in dermal wipes and personal air samples, and urinary mutagenicity using the Salmonella mutagenicity assay (Ames test)...
October 18, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29043089/dermal-and-neural-toxicity-caused-by-acrylamide-exposure-in-two-korean-grouting-workers-a-case-report
#18
Heeyun Kim, Sang Gil Lee, Jeongbae Rhie
BACKGROUND: Peripheral neuritis caused by acrylamide is well-known, and many Korean grouting workers are frequently exposed to acrylamide in grouting agents that are injected into cracked concrete. We recently encountered two cases of dermal and neural toxicity in Korean grouting workers with exposure to grouting agents that contained a high concentration of acrylamide. CASE PRESENTATION: The first case involved a 44-year-old man with 8 years of waterproofing experience...
2017: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/29043012/checklist-for-a-complete-chronic-urticaria-medical-history-an-easy-tool
#19
Ivan Cherrez-Ojeda, Karla Robles-Velasco, Pamela Bedoya-Riofrío, Peter Schmid-Grendelmeier, Sofía Cherrez, Florian Colbatzky, Ricardo Cardona, Pedro Barberan-Torres, Erick Calero, Annia Cherrez
BACKGROUND: Existing guidelines do not offer a quick, efficient alternative to the patient's recollection of relevant clinical features during anamnesis and physical examination for chronic urticaria (CU). This study aimed to identify specific items reflecting the main characteristics of CU that should be included in a comprehensive medical history for patients with CU. We also aimed to clarify possible eliciting factors for CU to support accurate diagnosis of the disease. METHODS: A panel of postgraduate dermatologists conducted a literature search for relevant studies on CU using Medline, the Cochrane database, and PubMed...
2017: World Allergy Organization Journal
https://www.readbyqxmd.com/read/29042821/practical-recommendations-for-the-use-of-therapeutic-drug-monitoring-of-biopharmaceuticals-in-inflammatory-diseases
#20
REVIEW
Erwin Dreesen, Peter Bossuyt, Denis Mulleman, Ann Gils, Dora Pascual-Salcedo
Biopharmaceuticals directed against tumor necrosis factor-alpha, integrins, interleukins, interferons and their receptors have become key agents for the management of inflammatory diseases in the fields of gastroenterology, rheumatology, dermatology and neurology. However, response to these treatments is far from optimal. Therapeutic failure has been attributed in part to inadequate serum concentrations of the drug and the formation of antidrug antibodies (ADA). Therapeutic drug monitoring (TDM) based on drug concentrations and ADA represents a pharmacologically sound tool for guiding dosage adjustments to optimize exposure...
2017: Clinical Pharmacology: Advances and Applications
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