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https://www.readbyqxmd.com/read/29042325/characterize-a-typically-dscam-with-alternative-splicing-in-mud-crab-scylla-paramamosain
#1
Wenshi Li, Xixiang Tang, Yan Chen, Wanwei Sun, Yan Liu, Yi Gong, Xiaobo Wen, Shengkang Li
As a member of the immunoglobulin superfamily, Down syndrome cell adhesion molecule (Dscam) could function in the innate immunity of invertebrates. Recently, it is shown that arthropod Dscams play similar functions as antibodies in the adaptive immune system. Dscam could produce thousands of isoforms by alternative splicing and specifically bind to various pathogens. In the present study, we cloned the first Dscam from mud crab Scylla paramamosain (SpDscam), with full-length cDNA 7363 bp containing an open reading frame (ORF) of 6069bp and encoding 2022 amino acids, which had typical domain architecture as other arthropods, i...
October 14, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29036251/an-adhesive-patch-based-skin-biopsy-device-for-molecular-diagnostics-and-skin-microbiome-studies
#2
Zuxu Yao, Ronald Moy, Talisha Allen, Burkhard Jansen
INTRODUCTION: A number of diagnoses in clinical dermatology are currently histopathologically confirmed and this image recognition-based confirmation generally requires surgical biopsies. The increasing ability of molecular pathology to corroborate or correct a clinical diagnosis based on objective gene expression, mutation analysis, or molecular microbiome data is on the horizon and would be further supported by a tool or procedure to collect samples non-invasively. This study characterizes such a tool in form of a 'bladeless' adhesive patch-based skin biopsy device...
October 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29034528/patients-with-a-new-variant-of-endemic-pemphigus-foliaceus-have-autoantibodies-against-arrector-pili-muscle-colocalizing-with-myzap-p0071-desmoplakins-1-and-2-and-arvcf
#3
A M Abreu-Velez, C A Valencia-Yepes, Y A Upegui-Zapata, E Upegui-Quiceno, N R Mesa-Herrera, J E Velazquez-Velez, M S Howard
BACKGROUND: We identified a new variant of endemic pemphigus foliaceus in El Bagre, Colombia, South America, which we term El Bagre-EPF, and observed reactivity to arrector pili muscle (APM), thus we tested for autoimmunity to APM. METHODS: We took skin biopsies from 30 patients with El Bagre-EPF and 30 healthy controls (HCs) matched by age, sex and occupation, who were all from the endemic area, and tested these using direct immunofluorescence (DIF), confocal microscopy, immunohistochemistry and immunoblotting (IB)...
October 15, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29033818/itolizumab-a-new-biologic-for-management-of-psoriasis-and-psoriatic-arthritis
#4
Ganesh Pai, Anusha H Pai
Psoriasis is a chronic, relapsing, inflammatory, immune-mediated systemic disease with mainly skin and joint manifestations. The available treatment options to cure psoriasis include topical therapy, phototherapy, and biological therapy. Biological therapy has become a promising option due to the rapid action and less adverse effects associated with its use. The newly developed biologic itolizumab is a humanized recombinant anti-CD6 monoclonal antibody of IgG1 isotype that binds to domain 1 of CD6, thereby immunomodulating human lymphocytes without interfering with the binding of CD6 to the activated leukocyte-cell adhesion molecule...
May 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/29026645/synthesis-and-characterization-of-collagen-plga-biodegradable-skin-scaffold-fibers
#5
Alireza Sadeghi-Avalshahr, Samira Nokhasteh, Amir Mahdi Molavi, Mohammad Khorsand-Ghayeni, Meysam Mahdavi-Shahri
The aim of this study is to investigate the applicability of poly(lactic-co-glycolic acid) (PLGA)/collagen composite scaffold for skin tissue engineering. PLGA and collagen were dissolved in HFIP as a common solvent and fibrous scaffolds were prepared by electrospinning method. The scaffolds were characterized by scanning electron microscopy (SEM), FTIR spectroscopy, mercury porosimetry, tensile strength, biocompatibility assays and Biodegradation. Cytotoxicity and cell adhesion were tested for two cell line groups, human dermal fibroblast (HDF) and human keratinocyte (HaCat)...
October 2017: Regenerative Biomaterials
https://www.readbyqxmd.com/read/29025667/adhesion-forces-of-biofilms-developed-in-vitro-from-clinical-strains-of-skin-wounds
#6
Elizabeth Alvarado-Gomez, Mario Perez-Diaz, Donato Valdez-Perez, Jaime Ruiz-Garcia, Martin Magaña-Aquino, Gabriel Martinez-Castañon, Fidel Martinez-Gutierrez
A biofilm is a very complex consortium formed by a mix of different microorganisms, which have become an important health problem, because its formation is a resistance mechanism used by bacteria against antibiotics or the immune system. In this work, we show differences between some physicochemical properties of biofilms in mono- and multi-species, formed by bacteria from clinical samples of infected chronic wounds. Of the most prevalent bacteria in wounds, two mono- and one multi-species biofilms were developed in vitro by Drip Flow Reactor: one biofilm was developed by S...
January 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29024688/vitiligo-skin-exploring-the-dermal-compartment
#7
Daniela Kovacs, Emanuela Bastonini, Monica Ottaviani, Carlo Cota, Emilia Migliano, Maria Lucia Dell'Anna, Mauro Picardo
There is an increasing interest in the apparently normal skin in vitiligo. Altered expression of the adhesion molecule E-cadherin and persistent deregulated intracellular redox status that promotes the acquisition of a stress-induced senescent phenotype in melanocytes of normally pigmented skin from vitiligo patients have been described. Growing evidence has shown that such cellular and functional alterations are not necessarily restricted to melanocytes but may be extended to other cutaneous cell populations in both lesional and non-lesional areas...
October 9, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29022141/a-new-species-of-trichodina-ehrenberg-1830-ciliophora-trichodinidae-infecting-farmed-clarias-gariepinus-burchell-siluriformes-clariidae-in-cuba
#8
Fernando Lucas Prats León, Mercedes Martínez Pérez
A new species of Trichodina Ehrenberg, 1830 collected from the skin and fins of farmed North African catfish Clarias gariepinus (Burchell) fingerlings, is described. The new species can be distinguished from other trichodinids by the characteristics of the adhesive disc, especially by the great number of denticles. Trichodina merciae n. sp. is morphologically similar to T. renicola (Mueller, 1931) and T. marplatensis Martorelli, Marcotegui & Alda, 2008, in the number of denticles, but differs in the morphometric data, denticle morphology, environment and location...
October 11, 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/29021505/skin-permeability-of-tulobuterol-in-two-transdermal-formulations-and-their-followability
#9
Yuichi Takizawa, Takeshi Goto, Shuji Sato, Naoya Ohmori, Kenji Mori, Yayoi Shimada, Kuei Chen, Takamitsu Miyagi, Fumio Fukai
Various generic transdermal formulations of tulobuterol containing rubber and acrylate base polymers are commercially available in Japan. However, none of the formulations have been compared directly with respect to the skin permeability of tulobuterol and to their follow ability. Tulobuterol Tape Sawai of rubber base and Tulobuterol Tape NP of acrylate base were used to conduct the in vitro 24-hour skin permeability test of tulobuterol at receiver solution temperatures of 32°C, 37°C, and 40°C. Furthermore, the followability of these tapes were examined by measuring the depth of the pores that were formed in their adhesive layer...
October 11, 2017: Drug Discoveries & Therapeutics
https://www.readbyqxmd.com/read/29019891/study-protocol-for-a-randomized-controlled-pilot-trial-on-the-semiocclusive-treatment-of-fingertip-amputation-injuries-using-a-novel-finger-cap
#10
RANDOMIZED CONTROLLED TRIAL
Jurek Schultz, Susann Leupold, Xina Grählert, Roland Pfeiffer, Uta Schwanebeck, Percy Schröttner, Barbara Djawid, Wladislav Artsimovich, Karol Kozak, Guido Fitze
INTRODUCTION: Fingertip amputation injuries are common in all ages. Conservatively treated fingertips can regenerate skin and soft tissues to form a functionally and cosmetically excellent new fingertip. Little is known about this ability that, in humans, is confined to the fingertips. Even less is known about the role of the bacteria that regularly colonize these wounds without negative impact on regeneration and healing.As an alternative to surgery, self-adhesive film dressings are commonly used to establish a wet chamber around the injury...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28990694/suprafascial-versus-traditional-harvesting-technique-for-free-antero-lateral-thigh-flap-a-case-control-study-to-assess-the-best-functional-and-aesthetic-result-in-extremity-reconstruction
#11
Michele Maruccia, Nefer Fallico, Emanuele Cigna, Pedro Ciudad, Fabio Nicoli, Emilio Trignano, Eleonora Nacchiero, Giuseppe Giudice, Diego Ribuffo, Hung-Chi Chen
Clinical applications of ALT flap have currently extended to extremity (hand and foot) as well as oral cavity reconstruction. In these anatomical areas, the traditional harvesting technique presents a few disadvantages such as bulkiness of the recipient site and potential donor site morbidity including damage to the deep fascia and skin graft adhesions. The purpose of the present study was to compare the functional and aesthetic outcomes of upper and lower extremity reconstruction with either suprafascial or subfascial harvested anterolateral (ALT) flaps...
October 9, 2017: Microsurgery
https://www.readbyqxmd.com/read/28987537/tuning-the-rheological-properties-of-an-ammonium-methacrylate-copolymer-for-the-design-of-adhesives-suitable-for-transdermal-patches
#12
Gaia M G Quaroni, Chiara G M Gennari, Francesco Cilurzo, Guylaine Ducouret, Costantino Creton, Paola Minghetti
Eudragit® RL (EuRL) matrices have been proposed to release a drug to the skin. However, no information is available on both viscoelastic and adhesive properties of such compositions. This work focuses on the evaluation of both rheological and texture properties of EuRL differently plasticized with tributyl citrate (TBC) or triacetin (TRI) in order to design a pressure sensitive adhesive suitable for transdermal patch preparation. The patch adhesive properties (i.e. tack, peel adhesion and shear adhesion) as well as its in vitro biopharmaceutical performances were determined after loading ibuprofen, ketoprofen or flurbiprofen...
October 5, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28980225/merkel-cell-carcinoma-of-the-buccal-mucosa-and-lower-lip
#13
Mohammed N Islam, Hardeep Chehal, Molly Housley Smith, Sarah Islam, Indraneel Bhattacharyya
Merkel cell carcinoma (MCC) is an uncommon relatively aggressive neuroendocrine dermal neoplasm first described in 1972 as a tumor of the sun exposed skin. Although most MCC affect the skin of the head and neck, rare primarily oral mucosal cases have been documented. Merkel cells are nondendritic neuroendocrine cells that are found not only in the skin but also the oral mucosa and give rise to MCC. Neuroendocrine cells may be found as aggregates in organs or as diffuse or isolated cells within organs and their epithelial lining...
October 4, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28978332/central-venous-access-device-securement-and-dressing-effectiveness-for-peripherally-inserted-central-catheters-in-adult-acute-hospital-patients-cascade-a-pilot-randomised-controlled-trial
#14
Raymond J Chan, Sarah Northfield, Emily Larsen, Gabor Mihala, Amanda Ullman, Peter Hancock, Nicole Marsh, Nicole Gavin, David Wyld, Anthony Allworth, Emily Russell, Md Abu Choudhury, Julie Flynn, Claire M Rickard
BACKGROUND: Peripherally inserted central catheters (PICCs) are commonly used for delivering intravenous therapy. PICC failure is unacceptably high (up to 40%) due to mechanical, infectious and thrombotic complications. Poor securement potentiates all complication types. This randomised controlled trial (RCT) aimed to examine the feasibility of a large RCT of four dressing and securement methods to prevent PICC failure. METHODS: This single-centre pilot RCT included 124 admitted medical/surgical/cancer patients aged ≥ 16 years with a PICC...
October 4, 2017: Trials
https://www.readbyqxmd.com/read/28976342/topical-growth-hormone-accelerates-wound-healing-in-mice
#15
Cicero Fagner Messias de Lima, Larissa Fernanda de Araújo Vieira, Luis Alex de Carvalho Wanderley, Jamylle Nunes de Souza Ferro, Salete Smaniotto
OBJECTIVE: The aim of this study is to investigate the effects of topical growth hormone (GH) treatment on skin wound healing in mice. MATERIALS AND METHODS: An excisional wound healing model was established on male Swiss mice, and wound healing ability was evaluated by macroscopic and histologic analyses of mice treated with topical 10-8 M and 10-7 M of GH versus the mice receiving ve- hicle alone. Wound tissues were collected on post treatment days 3, 7, and 14...
September 26, 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28972200/fibrinogen-modified-sodium-alginate-as-a-scaffold-material-for-skin-tissue-engineering
#16
Elena V Solovieva, Alexander Yu Fedotov, Vasily E Mamonov, Vladimir S Komlev, Andrey A Panteleyev
In search for a new pro-angiogenic scaffold material suitable for skin bioengineering and grafting therapy, we have fabricated a number of composite sodium alginate (AG) - fibrinogen (FG) sponge scaffolds using the freeze-drying approach. Thrombin was added to drive FG/fibrin conversion, while ε-aminocapronic acid (εAc) was used as antifibrinolytic component. The slow rates of scaffold biodegradation were achieved by using Ca2+ and Mg2+ cations as cross-linking agents. The novel thrombin-modified AG-FG scaffolds with highly interconnected porous structure were evaluated using scanning electron microscopy, tensile testing and pycnometric analysis...
October 3, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28971780/herpes-labialis-an-update
#17
Alexander K C Leung, Benjamin Barankin
BACKGROUND: Herpes labialis is characterized by recurrent vesicular eruptions primarily on the lips and perioral skin. The condition is contagious, can cause significant discomfort/pain, and can have an adverse effect on quality of life. OBJECTIVE: To update the evaluation and treatment of herpes labialis. METHODS: A PubMed search was completed in Clinical Queries using the key term "herpes labialis". Patents were searched using the key term "herpes labialis" from www...
October 3, 2017: Recent Patents on Inflammation & Allergy Drug Discovery
https://www.readbyqxmd.com/read/28969628/bio-mimicking-nano-and-micro-structured-surface-fabrication-for-antibacterial-properties-in-medical-implants
#18
REVIEW
Alka Jaggessar, Hesam Shahali, Asha Mathew, Prasad K D V Yarlagadda
Orthopaedic and dental implants have become a staple of the medical industry and with an ageing population and growing culture for active lifestyles, this trend is forecast to continue. In accordance with the increased demand for implants, failure rates, particularly those caused by bacterial infection, need to be reduced. The past two decades have led to developments in antibiotics and antibacterial coatings to reduce revision surgery and death rates caused by infection. The limited effectiveness of these approaches has spurred research into nano-textured surfaces, designed to mimic the bactericidal properties of some animal, plant and insect species, and their topographical features...
October 2, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/28964729/-how-do-i-prevent-caesarean-wound-infections-in-obese-patients-in-2017
#19
B Ripamonti, T Raia-Barjat, C Chauleur, P Mathevet
Obesity is an important risk factor of cesarean section and is associated with an increased risk of wound complications such as infections. This review focuses on the available strategies to limit complications in this population. Choice of antiseptic solution, appropriate dose and type of antibiotic prophylaxy, suture closure of subcutaneous fat, suture skin closure and closed incision negative pressure wound therapy may reduce the risk of wound infections associated with cesarean section in obese patients...
September 27, 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/28963772/bacterial-cellulose-skin-masks-properties-and-sensory-tests
#20
Guilherme Pacheco, Carolina Véspoli de Mello, Bruna Galdorfini Chiari-Andréo, Vera Lucia Borges Isaac, Sidney José Lima Ribeiro, Édison Pecoraro, Eliane Trovatti
BACKGROUND: Bacterial cellulose (BC) is a versatile material produced by microorganisms in the form of a membranous hydrogel, totally biocompatible, and endowed with high mechanical strength. Its high water-holding capacity based on its highly porous nanofibrillar structure allows BC to incorporate and to release substances very fast, thus being suitable for the preparation of skincare masks. AIMS: The preparation and characterization of cosmetic masks based on BC membranes and active cosmetics...
September 29, 2017: Journal of Cosmetic Dermatology
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