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https://www.readbyqxmd.com/read/29792141/molecular-docking-for-prediction-and-interpretation-of-adverse-drug-reactions
#1
Heng Luo, Achille Fokoue-Nkoutche, Nalini Singh, Lun Yang, Jianying Hu, Ping Zhang
Adverse drug reactions (ADRs) present a major burden for patients and the healthcare industry. Various computational methods have been developed to predict ADRs for drug molecules. However, many of these methods require experimental or surveillance data and cannot be used when only structural information is available. We collected 1,231 small molecule drugs and 600 human proteins and utilized molecular docking to generate binding features among them. We developed machine learning models that use these docking features to make predictions for 1,533 ADRs...
May 23, 2018: Combinatorial Chemistry & High Throughput Screening
https://www.readbyqxmd.com/read/29791788/shift-in-skin-microbiota-of-western-european-women-across-aging
#2
Romain Jugé, Pauline Rouaud-Tinguely, Josselin Breugnot, Katia Servaes, Christine Grimaldi, Marie-Paule Roth, Hélène Coppin, Brigitte Closs
AIMS: The objective of our study was to compare the microbiota diversity between two different age groups of Western European women. METHODS AND RESULTS: Skin-swab samples were collected directly on the forehead of 34 healthy Western European women: 17 younger (21-31 years old) and 17 older individuals (54-69 years old). Bacterial communities were evaluated using the 16S rRNA gene sequencing. Data revealed a higher alpha-diversity on the skin of older individuals compared to younger ones...
May 23, 2018: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29790147/sensitivity-and-specificity-of-ex-vivo-dermatoscopy-a-case-series
#3
Danijela Dobrosavljevic, Dimitrije Brasanac, Sofija Glumac, Sanja Radojevic, Lidija Matija, Dejana Stanisavljevic
BACKGROUND: Sensitivity and specificity of ex vivo dermatoscopy (EVD) for malignancy detection of skin tumors is unknown. We sought to assess whether the use of EVD could be a useful adjunct to histopathological diagnosis of pigmented skin tumors, including cases where complete clinical information is inadequate or missing. MATERIALS AND METHODS: EVD was performed on 195 excised, formalin-fixed pigmented skin tumors. RESULTS: Of 183 eligible lesions, 104 (56...
May 23, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29789596/cervical-vagus-nerve-morphometry-and-vascularity-in-the-context-of-nerve-stimulation-a-cadaveric-study
#4
Niels Hammer, Sabine Löffler, Yusuf Ozgur Cakmak, Benjamin Ondruschka, Uwe Planitzer, Michael Schultz, Dirk Winkler, David Weise
Vagus nerve stimulation (VNS) has become a well-established therapy for epilepsy and depression, and is emerging to treat inflammatory disease, with the cervical vagus nerve (CVN) as major stimulation site. CVN morphometries are missing for VNS, considering its variability. Morphometric data were obtained from CVNs in 27 cadavers, including branching patterns and histology. Cross-sectional area, greater and lesser diameters averaged 7.2 ± 3.1 mm2 , 5.1 ± 1.5 and 4.1 ± 1.3 mm, and were ≤11...
May 22, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29789509/wave-propagation-in-aluminum-honeycomb-plate-and-debonding-detection-using-scanning-laser-vibrometer
#5
Jingjing Zhao, Fucai Li, Xiao Cao, Hongguang Li
Both the aerospace and marine industry have widely relied on a honeycomb sandwich structure (HSS) because of its high strength-to-weight ratio. However, the intrinsic nature of an adhesively bonded multi-layer structure increases the risk of debonding when the structure is under strain or exposed to varying temperatures. Such defects are normally concealed under the surface but can significantly compromise the strength and stiffness of a structure. In this paper, the guided wave method is used to detect debondings which are located between the skin and the honeycomb in sandwich plates...
May 23, 2018: Sensors
https://www.readbyqxmd.com/read/29789488/superhydrophobic-natural-and-artificial-surfaces-a-structural-approach
#6
REVIEW
Roxana-Elena Avrămescu, Mihaela Violeta Ghica, Cristina Dinu-Pîrvu, Răzvan Prisada, Lăcrămioara Popa
Since ancient times humans observed animal and plants features and tried to adapt them according to their own needs. Biomimetics represents the foundation of many inventions from various fields: From transportation devices (helicopter, airplane, submarine) and flying techniques, to sports' wear industry (swimming suits, scuba diving gear, Velcro closure system), bullet proof vests made from Kevlar etc. It is true that nature provides numerous noteworthy models (shark skin, spider web, lotus leaves), referring both to the plant and animal kingdom...
May 22, 2018: Materials
https://www.readbyqxmd.com/read/29789349/passive-water-collection-with-the-integument-mechanisms-and-their-biomimetic-potential
#7
REVIEW
Philipp Comanns
Several mechanisms of water acquisition have evolved in animals living in arid habitats to cope with limited water supply. They enable access to water sources such as rain, dew, thermally facilitated condensation on the skin, fog, or moisture from a damp substrate. This Review describes how a significant number of animals - in excess of 39 species from 24 genera - have acquired the ability to passively collect water with their integument. This ability results from chemical and structural properties of the integument, which, in each species, facilitate one or more of six basic mechanisms: increased surface wettability, increased spreading area, transport of water over relatively large distances, accumulation and storage of collected water, condensation, and utilization of gravity...
May 22, 2018: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29789189/antimicrobial-susceptibility-of-enterobacteriaceae-and-pseudomonas-aeruginosa-isolates-from-united-states-medical-centers-stratified-by-infection-type-results-from-the-international-network-for-optimal-resistance-monitoring-inform-surveillance-program-2015
#8
Helio S Sader, Mariana Castanheira, Leonard R Duncan, Robert K Flamm
A total of 18,656 Enterobacteriaceae and 4,175 Pseudomonas aeruginosa were consecutively collected from 85 US hospitals and tested for susceptibility by broth microdilution methods in a central monitoring laboratory (JMI Laboratories). The antimicrobial susceptibility and frequency of key resistance phenotypes were assessed and stratified by infection type as follows: bloodstream (BSI; 3,434 isolates; 15.0%), pneumonia (6,439; 28.2%), skin and skin structure (SSSI; 4,134; 18.1%), intra-abdominal (IAI; 951; 4...
April 26, 2018: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29788683/definitions-of-groove-and-hollowness-of-the-infraorbital-region-and-clinical-treatment-using-soft-tissue-filler
#9
REVIEW
Ji-Hyun Lee, Giwoong Hong
Clarification is needed regarding the definitions and classification of groove and hollowness of the infraorbital region depending on the cause, anatomical characteristics, and appearance. Grooves in the infraorbital region can be classified as nasojugal grooves (or folds), tear trough deformities, and palpebromalar grooves; these can be differentiated based on anatomical characteristics. They are caused by the herniation of intraorbital fat, atrophy of the skin and subcutaneous fat, contraction of the orbital part of the orbicularis oculi muscle or squinting, and malar bone resorption...
May 2018: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/29788546/in-vitro-penetration-through-the-skin-layers-of-topically-applied-glucocorticoids
#10
Victor Carrer, Cristina Alonso, Marc Adrià Oliver, Luisa Coderch
Corticoids are actives widely used in the treatment of skin diseases. This work aims to study the penetration of three corticoids (betamethasone, clobetasol and flurandrenolide), their relationship with their Log D values and the effects of the vehicles. The three compounds were applied on a Franz-type diffusion cell in propylene glycol solution and their respective commercial creams and ointments. The active amounts found in the stratum corneum, epidermal and dermal layers of the skin were investigated. Their diffusions were greatly affected by the formulation, moreover higher amounts of substance in the epidermis and dermis were detected in ointments than in creams...
May 22, 2018: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29787509/use-of-moulage-to-evaluate-student-assessment-of-skin-in-an-objective-structured-clinical-examination
#11
Jennifer Zorn, Jennifer Snyder, Jennifer Guthrie
PURPOSE: This study investigated the physician assistant (PA) student evaluation of skin and the use of moulage in an objective structured clinical examination (OSCE). METHODS: Clinical-year PA students participated in an OSCE, taking a history, completing a physical examination, and writing a focused clinical note. The standardized patient's history simulated a primary diagnosis of right-sided carpal tunnel syndrome and an incidental skin lesion consistent with melanoma, only if the student made an inquiry in this replication study...
June 2018: Journal of Physician Assistant Education
https://www.readbyqxmd.com/read/29786154/topical-polyhydroxy-acid-treatment-for-autosomal-recessive-congenital-ichthyosis-in-the-golden-retriever-a-prospective-pilot-study
#12
Anna Puigdemont, Nicla Furiani, Michela De Lucia, Isaac Carrasco, Laura Ordeix, Dolors Fondevila, Laura Ramió-Lluch, Pilar Brazis
BACKGROUND: Autosomal recessive congenital ichthyosis (ARCI) in golden retrievers is due to a PNPLA1 gene mutation, which plays a role in epidermal lipid organization and metabolism. Topical therapies are used to reduce scaling; however, there are few published efficacy studies. OBJECTIVES: To examine the efficacy of topical treatment based on gluconolactone, a polyhydroxy acid with known beneficial effects on stratum corneum structure. ANIMALS: Sixteen golden retriever dogs with clinical signs of ARCI and PCR-confirmed PNPLA1 gene mutation...
May 22, 2018: Veterinary Dermatology
https://www.readbyqxmd.com/read/29785854/high-k-gate-dielectrics-for-emerging-flexible-and-stretchable-electronics
#13
Binghao Wang, Wei Huang, Lifeng Chi, Mohammed Al-Hashimi, Tobin J Marks, Antonio Facchetti
Recent advances in flexible and stretchable electronics (FSE), a technology diverging from the conventional rigid silicon technology, have stimulated fundamental scientific and technological research efforts. FSE aims at enabling disruptive applications such as flexible displays, wearable sensors, printed RFID tags on packaging, electronics on skin/organs, and Internet-of-things as well as possibly reducing the cost of electronic device fabrication. Thus, the key materials components of electronics, the semiconductor, the dielectric, and the conductor as well as the passive (substrate, planarization, passivation, and encapsulation layers) must exhibit electrical performance and mechanical properties compatible with FSE components and products...
May 22, 2018: Chemical Reviews
https://www.readbyqxmd.com/read/29785739/in-vitro-formation-of-the-merkel-cell-neurite-complex-in-embryonic-mouse-whiskers-using-organotypic-co-cultures
#14
Kentaro Ishida, Tetsuichiro Saito, Toshiyuki Mitsui
A Merkel cell-neurite complex is a touch receptor composed of specialized epithelial cells named Merkel cells and peripheral sensory nerves in the skin. Merkel cells are found in touch-sensitive skin components including whisker follicles. The nerve fibers that innervate Merkel cells of a whisker follicle extend from the maxillary branch of the trigeminal ganglion. Whiskers as a sensory organ attribute to the complicated architecture of the Merkel cell-neurite complex, and therefore it is intriguing how the structure is formed...
May 22, 2018: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/29783681/encapsulation-and-characterization-of-gentamicin-sulfate-in-the-collagen-added-electrospun-nanofibers-for-skin-regeneration
#15
Wan Khartini Wan Abdul Khodir, Abdul Hakim Abdul Razak, Min Hwei Ng, Vincenzo Guarino, Deny Susanti
In the current practice, the clinical use of conventional skin substitutes such as autogenous skin grafts have shown several problems, mainly with respect to limited sources and donor site morbidity. In order to overcome these limitations, the use of smart synthetic biomaterials is tremendously diffusing as skin substitutes. Indeed, engineered skin grafts or analogues frequently play an important role in the treatment of chronic skin wounds, by supporting the regeneration of newly formed tissue, and at the same time preventing infections during the long-term treatment...
May 18, 2018: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/29783635/glycosaminoglycans-from-a-sea-snake-lapemis-curtus-extraction-structural-characterization-and-antioxidant-activity
#16
Mingyue Bai, Wenwei Han, Xia Zhao, Qingchi Wang, Yanyun Gao, Shiming Deng
Sea snakes have wide application prospects in medicine, health food and other fields. Several novel polysaccharides were successfully obtained from the skin and the meat of a sea snake ( Lapemis curtus ). The structures of polysaccharides LSP3 and LMP3, which were extracted and purified from Lapemis curtus , were determined to be new and highly heterogenic glycosaminoglycans (GAGs) by means of FT-IR, ESI-MS/MS and NMR. LSP3 is a hybrid dermatan sulfate (DS) and composed of 48% 4-sulfated disaccharides (Di4S), 42% 6-sulfated disaccharides (Di6S) and 5% disulfated disaccharides (Di2,6S), while LMP3 is a hybrid chondroitin sulfate (CS) and composed of 70% Di4S, 20% Di6S, and 8% Di2,6S...
May 18, 2018: Marine Drugs
https://www.readbyqxmd.com/read/29783207/perspectives-for-applying-the-additional-study-methods-for-diagnostics-optimization-of-postoperative-hypertrophic-scars-of-the-head-and-neck
#17
David S Avetikov, Olha P Bukhanchenko, Ihor O Ivanytskyi, Viktoriia V Aipert, Dmytro V Steblovskyi
OBJECTIVE: Introduction: The issue of improving the quality of diagnosis, prevention and treatment of patients with pathological scarring of the head and neck is being actively developed throughout the world. The aim of the research is to improve diagnostics of hypertrophic scars of the head and neck through the establishment of structural features of scar-modified tissues using RGB-system and ultrasound examination. PATIENTS AND METHODS: Materials and methods: In this study, 60 patients with hypertrophic scars of the head and neck were examined...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783024/a-pooled-analysis-of-the-phase-3-revive-trials-randomized-double-blind-studies-to-evaluate-the-safety-and-efficacy-of-iclaprim-versus-vancomycin-for-treatment-of-acute-bacterial-skin-and-skin-structure-infections
#18
David B Huang, G Ralph Corey, Thomas L Holland, Thomas Lodise, William O'Riordan, Mark H Wilcox, Thomas M File, Matthew Dryden, Barbara Balser, Eve Desplats, Antoni Torres
BACKGROUND: Iclaprim, a diaminopyrimidine antibiotic, was compared with vancomycin for the treatment of patients with acute bacterial skin and skin structure infections (ABSSSIs) in two studies (REVIVE-1 and REVIVE-2). OBJECTIVES: We explored the efficacy and tolerability of iclaprim in a pooled analysis of results from both studies. METHODS: REVIVE-1 and REVIVE-2 were Phase 3, double-blind, randomized (1:1), multicenter, active-controlled, non-inferiority (margin of 10%) trials, each designed to enroll 600 patients a piece with ABSSSI...
May 18, 2018: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/29782675/hierarchical-micro-nanostructures-from-human-hair-for-biomedical-applications
#19
Di-Wei Zheng, Sheng Hong, Lu Xu, Chu-Xin Li, Ke Li, Si-Xue Cheng, Xian-Zheng Zhang
With the prominent progress of biomedical engineering, materials with high biocompatibility and versatile functions are urgently needed. So far, hierarchical structures in nature have shed some light on the design of high performance materials both in concept and implementation. Inspired by these, the hierarchical micro-/nanostructures of human hair are explored and human hair is further broken into hierarchical microparticles (HMP) and hierarchical nanoparticles (HNP) with top-down procedures. Compared with commercialized carriers, such as liposomes or albumin nanoparticles, the obtained particles exhibit high hemocompatibility and negligible immunogenicity...
May 21, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29782304/role-of-in-vivo-reflectance-confocal-microscopy-in-the-analysis-of-melanocytic-lesions
#20
Elena-Daniela Serban, Francesca Farnetani, Giovanni Pellacani, Maria Magdalena Constantin
Worldwide melanoma incidence and mortality are increasing (1). Despite the ongoing research, advanced melanoma is still incurable; therefore, the most appropriate solution seems to be early detection combined with complete surgical excision (2). Since the diagnostic protocol of suspicious lesions includes a complete excision with safety margins (2), the problem of unnecessary scarring is significant. The real challenge in this case is to have a properly formulated diagnosis before acquiring a biopsy. Currently available non-invasive techniques are coherence tomography, digital dermoscopy, and reflectance confocal microscopy...
April 2018: Acta Dermatovenerologica Croatica: ADC
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