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https://www.readbyqxmd.com/read/28329628/attitudes-and-predictors-of-sunless-tanning-in-a-sample-of-young-adults
#1
Chelsea Anderson, Brenda Cartmel, Susan T Mayne, Leah M Ferrucci
Given the popularity of a tan appearance, sunless tanning may play a role in skin cancer prevention as a substitute for ultraviolet (UV) tanning. Few studies have comprehensively assessed attitudes toward sunless tanning or predictors of use.Demographic, phenotypic, and lifestyle characteristics were ascertained during in-person interviews of 385 non-Hispanic whites (<age 40) who were controls in a case-control study of early-onset basal cell carcinoma. Attitudes toward sunless tanning were queried via self- administered questionnaire...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28324936/a-preliminary-study-on-multi-wavelength-ppg-based-pulse-transit-time-detection-for-cuffless-blood-pressure-measurement
#2
Jing Liu, Yuan-Ting Zhang, Xiao-Rong Ding, Wen-Xuan Dai, Ni Zhao
Pulse transit time (PTT) has been widely studied as an index of blood pressure (BP) changes. In recent years, some prototypes of PTT-based wearable BP measurement devices have been developed, which can relieve users from the discomfort caused by the inflating cuff used in auscultatory and oscillometric BP measurement techniques. However, in the common practice for PTT detection, multi-site sensor implementation on human body is required, making it difficult for the integration of wearable devices. Since multi-wavelength (MW) photoplethysmogram (PPG) signals carry blood pulsation information of different blood vessels embedded in different skin depths, the time difference between different wavelength PPG signals collected at the same body site can be treated as a special PTT on a short length of blood vessels beneath the skin...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28323545/creation-of-a-bioengineered-skin-flap-scaffold-with-a-perfusable-vascular-pedicle
#3
Bernhard J Jank, Jeremy Goverman, Jacques P Guyette, Jon M Charest, Mark A Randolph, Glenn R Gaudette, Joshua R Gershlak, Martin Purschke, Emilia Javorsky, Rosalynn M Nazarian, David A Leonard, Curtis L Cetrulo, William G Austen, Harald Christian Ott
Full thickness skin loss is a challenging problem due to limited reconstructive options, demanding 75 million surgical procedures annually in the United States. Autologous skin grafting is the gold standard treatment, but results in donor site morbidity and poor aesthetics. Numerous skin substitutes are available on the market to date, however, none truly function as full thickness skin due to their lack of a vascular network. The creation of an autologous full thickness skin analogue with a vascular pedicle would result in a paradigm shift in the management of wounds and in reconstruction of full thickness skin defects...
March 21, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28323389/atomic-force-microscopy-in-the-production-of-a-biovital-skin-graft-based-on-human-acellular-dermal-matrix-produced-in-house-and-in-vitro-cultured-human-fibroblasts
#4
Wojciech Łabuś, Justyna Glik, Agnieszka Klama-Baryła, Diana Kitala, Małgorzata Kraut, Mariusz Maj, Mariusz Nowak, Marcelina Misiuga, Andrzej Marcinkowski, Barbara Trzebicka, Ryszard Poloczek, Marek Kawecki
The most efficient method in III° burn treatment is the use of the autologous split thickness skin grafts that were donated from undamaged body area. The main limitation of this method is lack of suitable donor sites. Tissue engineering is a useful tool to solve this problem. The goal of this study was to find the most efficient way of producing biovital skin substitute based on in house produced acellular dermal matrix ADM and in vitro cultured fibroblasts. Sixty samples of sterilized human allogeneic skin (that came from 10 different donors) were used to examine the influence of decellularizing substances on extracellular matrix and clinical usefulness of the test samples of allogeneic human dermis...
March 21, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28319754/association-between-harm-reduction-intervention-uptake-and-skin-and-soft-tissue-infections-among-people-who-inject-drugs
#5
Karen Dunleavy, Alison Munro, Kirsty Roy, Sharon Hutchinson, Norah Palmateer, Tony Knox, David Goldberg, Avril Taylor
BACKGROUND: Bacterial skin and soft tissue infections (SSTIs) are a health issue for people who inject drugs (PWID). There is a lack of evidence on the associations between harm reduction (HR) uptake and SSTIs. This paper examines the associations between the uptake of injecting equipment (IE) and opiate substitution treatment (OST) on SSTIs among PWID, and the injecting behaviours associated with having had an SSTI. This is the first large-scale, national study to examine the association between IE uptake and SSTIs...
March 6, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28304144/efficacy-of-dermal-substitute-on-deep-dermal-to-full-thickness-burn-injury-a-systematic-review
#6
REVIEW
Winy Widjaja, Juen Tan, Peter K M Maitz
BACKGROUND: The study aims to systematically examine the efficacy of dermal regeneration templates (DRTs) in comparison to split thickness skin grafting (STSG) in the management of acute burn injuries post-excision and debridement. METHODS: Systematic literature search was conducted by two independent reviewers from the following databases: MEDLINE, EMBASE and Cochrane Library with selection criteria set a priori. Only randomized controlled trials (RCTs) were included...
March 17, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28293507/soluble-epoxide-hydrolase-inhibition-and-epoxyeicosatrienoic-acid-treatment-improve-vascularization-of-engineered-skin-substitutes
#7
Dorothy M Supp, Jennifer M Hahn, Kevin L McFarland, Kelly A Combs, Kin Sing Stephen Lee, Bora Inceoglu, Debin Wan, Steven T Boyce, Bruce D Hammock
BACKGROUND: Autologous engineered skin substitutes comprised of keratinocytes, fibroblasts, and biopolymers can serve as an adjunctive treatment for excised burns. However, engineered skin lacks a vascular plexus at the time of grafting, leading to slower vascularization and reduced rates of engraftment compared with autograft. Hypothetically, vascularization of engineered skin grafts can be improved by treatment with proangiogenic agents at the time of grafting. Epoxyeicosatrienoic acids (EETs) are cytochrome P450 metabolites of arachidonic acid that are inactivated by soluble epoxide hydrolase (sEH)...
December 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28284784/trends-in-provider-management-of-patients-with-food-protein-induced-enterocolitis-syndrome
#8
Matthew Greenhawt, J Andrew Bird, Anna H Nowak-Węgrzyn
BACKGROUND: Food protein-induced enterocolitis syndrome (FPIES) is a non-IgE-mediated food allergy. OBJECTIVE: To better understand provider-level variation in FPIES knowledge and management. METHODS: A 23-question online survey was administered to AAAAI members during the spring and summer of 2014. RESULTS: Among 470 respondents, 64% reported "full understanding" of FPIES diagnosis/management; 78.8% reported managing 1 or more patient with FPIES; and 80...
March 8, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28271816/an-overview-on-application-of-natural-substances-incorporated-with-electrospun-nanofibrous-scaffolds-to-development-of-innovative-wound-dressings
#9
Nosratollah Zarghami, Roghayeh Sheervalilou, Amir Fattahi, Abbas Mohajeri, Mehdi Dadashpour, Younes Pilehvar-Soltanahmadi
Conventional dressings are cost-effective and highly absorbent, but not effectual enough to promote hemostasis, adherence and in holding a moist wound bed. Thanks to the developments in the field of nanotechnology and bioengineering, one of the promising current trends is to move progress of innovative wound dressings, merging the application of traditional healing agents and modern products/practices, such as hydrocolloids, hydrogels, films and nanofibers. The electrospun nanofibers webs can provide the essential parameters require for wound dressing to heal wounds including absorptivity, oxygen permeability, and non-adherence to the healing tissue, barrier to bacteria, bioactivity and occlusivity...
March 8, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28264074/correction-comprehensive-measurement-of-uvb-induced-non-melanoma-skin-cancer-burden-in-mice-using-photographic-images-as-a-substitute-for-the-caliper-method
#10
(no author information available yet)
[This corrects the article DOI: 10.1371/journal.pone.0171875.].
2017: PloS One
https://www.readbyqxmd.com/read/28259688/hair-growth-cycle-is-arrested-in-scd1-deficiency-by-impaired-wnt3a-palmitoleoylation-and-retrieved-by-artificial-lipid-barrier
#11
Wilhelm Stoffel, Inga Schmidt-Soltau, Britta Jenke, Erika Binczek, Ina Hammels
Stearoyl-CoA desaturase 1 (SCD1) is the dominant member of the SCD-isozyme family, regarded as a major regulator of lipid and energy metabolism in liver and adipose tissue. SCD1-deficiency impairs the desaturation of de novo-synthesized palmitoyl- and stearoyl-CoA to palmitoleoyl- and oleoyl- CoA. Scd1-/- mice develop metabolic waste syndrome and skin lesions: epidermal barrier disruption, alopecia and degeneration of sebaceous glands. The unifying molecular link between the two divergent traits remains incompletely understood...
March 1, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28258125/a-drosophila-model-of-dominant-inclusion-body-myopathy-3-shows-diminished-myosin-kinetics-that-reduce-muscle-power-and-yield-myofibrillar-defects
#12
Jennifer A Suggs, Girish C Melkani, Bernadette M Glasheen, Mia M Detor, Anju Melkani, Nathan P Marsan, Douglas M Swank, Sanford I Bernstein
Inclusion body myopathy type 3 (IBM-3) patients display congenital joint contractures with early-onset muscle weakness that becomes more severe in adults. The disease arises from an autosomal dominant point mutation causing an E706K substitution in myosin heavy chain type IIa. We previously expressed the corresponding myosin mutation (E701K) in homozygous Drosophila indirect flight muscles and recapitulated the myofibrillar degeneration and inclusion bodies observed in the human disease. We also found that purified E701K myosin has dramatically reduced actin-sliding velocity and ATPase levels...
March 3, 2017: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28237933/three-dimensional-skin-deformation-as-force-substitution-wearable-device-design-and-performance-during-haptic-exploration-of-virtual-environments
#13
Samuel B Schorr, Allison Okamura
Virtual reality systems would benefit from a compelling force sensory substitute when workspace or stability limitations prevent the use of kinesthetic force feedback systems. We present a wearable fingertip haptic device with the ability to make and break contact in addition to rendering both shear and normal skin deformation to the fingerpad. A delta mechanism with novel bias spring and tether actuator relocation method enables the use of high-end motors and encoders, allowing precise device control: 10 Hz bandwidth and 0...
February 22, 2017: IEEE Transactions on Haptics
https://www.readbyqxmd.com/read/28226573/a-preliminary-study-on-multi-wavelength-ppg-based-pulse-transit-time-detection-for-cuffless-blood-pressure-measurement
#14
Jing Liu, Yuan-Ting Zhang, Xiao-Rong Ding, Wen-Xuan Dai, Ni Zhao, Jing Liu, Yuan-Ting Zhang, Xiao-Rong Ding, Wen-Xuan Dai, Ni Zhao, Wen-Xuan Dai, Yuan-Ting Zhang, Xiao-Rong Ding, Ni Zhao, Jing Liu
Pulse transit time (PTT) has been widely studied as an index of blood pressure (BP) changes. In recent years, some prototypes of PTT-based wearable BP measurement devices have been developed, which can relieve users from the discomfort caused by the inflating cuff used in auscultatory and oscillometric BP measurement techniques. However, in the common practice for PTT detection, multi-site sensor implementation on human body is required, making it difficult for the integration of wearable devices. Since multi-wavelength (MW) photoplethysmogram (PPG) signals carry blood pulsation information of different blood vessels embedded in different skin depths, the time difference between different wavelength PPG signals collected at the same body site can be treated as a special PTT on a short length of blood vessels beneath the skin...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28223803/protein-nanocoatings-on-synthetic-polymeric-nanofibrous-membranes-designed-as-carriers-for-skin-cells
#15
Marketa Bacakova, Julia Pajorova, Denisa Stranska, Daniel Hadraba, Frantisek Lopot, Tomas Riedel, Eduard Brynda, Margit Zaloudkova, Lucie Bacakova
Protein-coated resorbable synthetic polymeric nanofibrous membranes are promising for the fabrication of advanced skin substitutes. We fabricated electrospun polylactic acid and poly(lactide-co-glycolic acid) nanofibrous membranes and coated them with fibrin or collagen I. Fibronectin was attached to a fibrin or collagen nanocoating, in order further to enhance the cell adhesion and spreading. Fibrin regularly formed a coating around individual nanofibers in the membranes, and also formed a thin noncontinuous nanofibrous mesh on top of the membranes...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28220597/a-new-option-for-definitive-burn-wound-closure%C3%A2-%C3%A2-pair-matching-type-of-retrospective-case-control-study-of-hand-burns-in-the-hospitalised-patients-group-in-the-dr-stanislaw-sakiel-centre-for-burn-treatment-between-2009-and-2015
#16
Justyna Glik, Marek Kawecki, Diana Kitala, Agnieszka Klama-Baryła, Wojciech Łabuś, Marek Grabowski, Agata Durdzińska, Mariusz Nowak, Marcelina Misiuga, Aleksandra Kasperczyk
Nearly 80% of all burns include the hands of affected individuals. Skin grafting is the gold standard in burns treatment, but in the case of the burn wound bed, it may require the necessity of utilising skin substitutes to facilitate closure. The aim of this study is to assess the impact of a porcine-derived wound dressing (Oasis™) for application to hand burns compared to a synthetic dressing (Suprathel™). Comparative assessments were made, including the time to heal, quality of healing and pain intensity...
February 21, 2017: International Wound Journal
https://www.readbyqxmd.com/read/28218965/physicochemical-characterization-of-a-heat-treated-calcium-alginate-dry-film-prepared-with-chicken-stock
#17
Germán D Báez, Gisela N Piccirilli, Griselda A Ballerini, Agustín Frattini, Pablo A Busti, Roxana A Verdini, Néstor J Delorenzi
Solid sodium alginate was dissolved into chicken stock in order to give a final alginate concentration of 0.9 percent (w/v). Calcium ions present in chicken stock were enough to induce ionic gelation. After drying, Fourier transform infrared spectroscopy, thickness and mechanical properties of films obtained were determined. Calcium alginate-chicken stock films were heated at 130 °C for different times between 0 and 15 min. Mechanical and optical studies, differential scanning calorimetry, visual aspect and scanning electron microscopy were carried out to describe physicochemical properties of heat treated films...
February 20, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28216817/turned-in-fasciocutaneous-island-flap-from-face-and-neck-based-on-subdermal-microcirculation-for-reconstruction-of-the-oral-cavity-following-cancer-surgery
#18
Kalpesh Jayantkumar Gajiwala
BACKGROUND: The skin and soft tissues of the face and neck have a rich plexus of dermal-subdermal vessels, which creates the possibility of raising a fasciocutaneous flap based on this vascular supply. A turned in fasciocutaneous island flap (TIFCIF) from an adjacent area of the defect can provide a simple substitute to many complex reconstructive procedures. MATERIALS AND METHODS: Fifteen patients underwent wide excision for oral cancer and upper neck dissection, maintaining bone framework, between August 2010 and June 2014...
September 2016: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/28209294/sulfated-glycosaminoglycans-and-non-classically-secreted-proteins-basic-fgf-and-epimorphin-coordinately-regulate-tgf-%C3%AE-induced-cell-behaviors-of-human-scar-dermal-fibroblasts
#19
Tomoatsu Horigome, Shinya Takumi, Kota Shirai, Takumi Kido, Natsumi Hagiwara-Chatani, Ayumi Nakashima, Naoki Adachi, Hiroko Yano, Yohei Hirai
BACKGROUND: Upon skin injuries, dermal fibroblasts actively produce transforming growth factor-β (TGF-β), which leads to the formation of α-smooth muscle actin (αSMA)-positive granulation tissues. The hyperplasia or incomplete regression of these tissues subsequently causes scar formation in the skin, where sulfated glycosaminoglycans (GAGs), side chains of unique proteoglycans, are supposed to play important roles. OBJECTIVE: The aim of this study is to clarify the effects of sulfated GAGs on dermal cell behaviors triggered by the TGF-β signaling, along with its possible regulators basic fibroblast growth factor (bFGF) and cell surface epimorphin...
February 3, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28203499/sandwich-fascial-anterolateral-thigh-flap-in-head-and-neck-reconstruction-evolution-or-revolution
#20
Mario Cherubino, Jens Berli, Mario Turri-Zanoni, Paolo Battaglia, Francesca Maggiulli, Martina Corno, Federico Tamborini, Edoardo Montrasio, Paolo Castelnuovo, Luigi Valdatta
INTRODUCTION: The anterolateral thigh perforator flap (ALT) represents the workhorse for most reconstructive efforts in the head and neck regions. The main advantages of this flap are its versatility, the length of the pedicle, and the low morbidity of the donor site. The major drawback is the bulkiness of this flap with the frequent need for secondary revisions. To overcome this, we have developed a novel way to harvest and inset the ALT, called the sandwich fascial ALT flap (SALT). METHODS: All patients undergoing head and neck reconstruction using the SALT flap from January 2013 to March 2016 were included in this retrospective analysis...
January 2017: Plastic and Reconstructive Surgery. Global Open
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