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https://www.readbyqxmd.com/read/29160425/local-and-systemic-effects-of-fibrin-and-cyanoacrylate-adhesives-on-lung-lesions-in-rabbits
#1
Marcus V H Carvalho, Evaldo Marchi, Andre J Fruchi, Bruno V B Dias, Clovis L Pinto, Geovane R Dos Santos, Milena M P Acencio
OBJECTIVES: Tissue adhesives can be used to prevent pulmonary air leaks, which frequently occur after lung interventions. The objective of this study is to evaluate local and systemic effects of fibrin and cyanoacrylate tissue adhesives on lung lesions in rabbits. METHODS: Eighteen rabbits were submitted to videothoracoscopy + lung incision alone (control) or videothoracoscopy + lung incision + local application of fibrin or cyanoacrylate adhesive. Blood samples were collected and assessed for leukocyte, neutrophil and lymphocyte counts and interleukin-8 levels preoperatively and at 48 hours and 28 days post-operatively...
October 2017: Clinics
https://www.readbyqxmd.com/read/29152620/efficacy-of-a-universal-adhesive-in-the-bond-strength-of-composite-cements-to-polymer-infiltrated-ceramic
#2
Nadja Rohr, Alba Flury, Jens Fischer
PURPOSE: To investigate the effect of a universal adhesive on the bond strength of composite cements to a polymer- infiltrated ceramic network. MATERIALS AND METHODS: Shear bond strength to a polymer-infiltrated ceramic network (Vita Enamic) and to its polymer and ceramic components was assessed on polished surfaces using either a conventional dual-curing resin (RelyX Ultimate) or self-adhesive composite cement (RelyX Unicem 2 Automix). Substrate surfaces were either not pretreated or a silane coupling agent (Vitasil), a universal adhesive (Scotchbond Universal Adhesive), or both were applied...
November 17, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/29151981/cellular-uptake-of-plain-and-spion-modified-microbubbles-for-potential-use-in-molecular-imaging
#3
Mona Ahmed, Barbara Cerroni, Anton Razuvaev, Johan Härmark, Gaio Paradossi, Kenneth Caidahl, Björn Gustafsson
Introduction: Both diagnostic ultrasound (US) and magnetic resonance imaging (MRI) accuracy can be improved by using contrast enhancement. For US gas-filled microbubbles (MBs) or silica nanoparticles (SiNPs), and for MRI superparamagnetic or paramagnetic agents, contribute to this. However, interactions of MBs with the vascular wall and cells are not fully known for all contrast media. Methods: We studied the in vitro interactions between three types of non-targeted air-filled MBs with a polyvinyl-alcohol shell and murine macrophages or endothelial cells...
2017: Cellular and Molecular Bioengineering
https://www.readbyqxmd.com/read/29146379/lt-adjuvant-modulates-epitope-specificity-and-improves-the-efficacy-of-murine-antibodies-elicited-by-sublingual-vaccination-with-the-n-terminal-domain-of-streptococcus-mutans-p1
#4
Milene Tavares Batista, Ewerton Lucena Ferreira, Gisela de Souza Pereira, Phillip Stafford, Denicar Lina Nascimento Fabris Maeda, Juliana Falcão Rodrigues, L Jeannine Brady, Stephen Albert Johnston, Luís Carlos de Souza Ferreira, Rita de Cássia Café Ferreira
In this study, we evaluated the immunogenicity, protective efficacy and peptide-based immune signatures of antibodies raised in mice after sublingual immunization with a recombinant form of the P1 (aka AgI/II, PAc) adhesin (P139-512) of Streptococcus mutans, a major etiological agent of dental caries. Sublingual administration of P139-512 in combination with the mucosal adjuvant LTK4R (a derivative of heat-labile LT toxin) induced strong and long-lasting systemic and mucosal immune responses. Incorporation of the adjuvant resulted in an enhancement of the anti-adhesive and anti-colonization activity against S...
November 13, 2017: Vaccine
https://www.readbyqxmd.com/read/29145462/circulating-soluble-endoglin-modifies-the-inflammatory-response-in-mice
#5
Laura Ruiz-Remolina, Claudia Ollauri-Ibáñez, Lucía Pérez-Roque, Elena Núñez-Gómez, Fernando Pérez-Barriocanal, José Miguel López-Novoa, Miguel Pericacho, Alicia Rodríguez-Barbero
Inflammation is associated with every health condition, and is an important component of many pathologies such as cardiovascular diseases. Circulating levels of soluble endoglin have been shown to be higher in the serum of patients with cardiovascular diseases with a significant inflammatory component. The aim of this study was to evaluate the implication of circulating soluble endoglin in the inflammatory response. For this purpose, a transgenic mouse expressing human soluble endoglin (sEng+) was employed, and three different inflammatory approaches were used to mimic inflammatory conditions in different tissues...
2017: PloS One
https://www.readbyqxmd.com/read/29144748/chemical-modification-for-proteolytic-stabilization-of-the-selective-%C3%AE-v%C3%AE-3-integrin-rgdechi-peptide-in-vitro-and-in-vivo-activities-on-malignant-melanoma-cells
#6
Daniela Comegna, Antonella Zannetti, Annarita Del Gatto, Ivan de Paola, Luigi Russo, Sonia Di Gaetano, Annamaria Liguoro, Domenica Capasso, Michele Saviano, Laura Zaccaro
Herein we report the synthesis and biological characterization of the novel peptide ψRGDechi as the first step towards novel targeted theranostics in melanoma. This pseudo-peptide is designed from our previously reported RGDechi peptide, known to bind selectively αvβ3 integrin, and differs for a modified amide bond at the main protease cleavage site. This chemical modification drastically reduces the enzymatic degradation in serum, compared to its parental peptide, resulting in an overall magnification of the biological activity on a highly expressing αvβ3 human metastatic melanoma cell line...
November 16, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29142418/marantodes-pumilum-blume-kuntze-inhibited-secretion-of-lipopolysaccharide-and-monosodium-urate-crystal-stimulated-cytokines-and-plasma-prostaglandin-e2
#7
Eldiza Puji Rahmi, Jamia Azdina Jamal, Endang Kumolosasi, Juriyati Jalil, Nor-Ashila Aladdin
Background: Marantodes pumilum is traditionally used for dysentery, gonorrhea, and sickness in the bones. Previous studies revealed its antibacterial and xanthine oxidase inhibitory activities. Objective: To evaluate the inhibitory effects of three M. pumilum varieties on the secretion of lipopolysaccharide (LPS)- and monosodium urate crystal (MSU)-induced cytokines and plasma prostaglandin E2 (PGE2) in vitro. Materials and Methods: The leaves and roots of M...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142312/understanding-the-anticorrosive-protective-mechanisms-of-modified-epoxy-coatings-with-improved-barrier-active-and-self-healing-functionalities-eis-and-spectroscopic-techniques
#8
Demian I Njoku, Miaomiao Cui, Haigang Xiao, Baihui Shang, Ying Li
The present investigation adopted long-term in-situ electrochemical and spectroscopic approaches to study the combined active, self-healing and passive protective mechanisms of a new class of innovative anti-corrosive coatings based on epoxy doped with clay nanotubes impregnated with active species for the protection of carbon steel in 3.5% NaCl solution. The suitability of the as-received clay nanotubes to encapsulate the active agents was confirmed by different spectroscopic measurements. Tube end stopper with Ferric ion and polymer encapsulation with chitosan cross-linked with glutaraldehyde were adopted to tunnel the release of the active agents loaded into the nanotubes...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29140719/effects-of-different-etching-methods-and-bonding-procedures-on-shear-bond-strength-of-orthodontic-metal-brackets-applied-to-different-cad-cam-ceramic-materials
#9
S Kutalmış Buyuk, Ahmet Serkan Kucukekenci
OBJECTIVE: To investigate the shear bond strength (SBS) of orthodontic metal brackets applied to different types of ceramic surfaces treated with different etching procedures and bonding agents. MATERIALS AND METHODS: Monolithic CAD/CAM ceramic specimens (N = 120; n = 40 each group) of feldspathic ceramic Vita Mark II, resin nanoceramic Lava Ultimate, and hybrid ceramic Vita Enamic were fabricated (14 × 12 × 3 mm). Ceramic specimens were separated into four subgroups (n = 10) according to type of surface treatment and bonding onto the ceramic surface...
November 15, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/29136193/early-first-trimester-uteroplacental-flow-and-the-progressive-disintegration-of-spiral-artery-plugs-new-insights-from-contrast-enhanced-ultrasound-and-tissue-histopathology
#10
V H J Roberts, T K Morgan, P Bednarek, M Morita, G J Burton, J O Lo, A E Frias
STUDY QUESTION: Does the use of a vascular contrast agent facilitate earlier detection of maternal flow to the placental intervillous space (IVS) in the first trimester of pregnancy? SUMMARY ANSWER: Microvascular filling of the IVS was demonstrated by contrast-enhanced ultrasound from 6 weeks of gestation onwards, earlier than previously believed. WHAT IS KNOWN ALREADY: During placental establishment and remodeling of maternal spiral arteries, endovascular trophoblast cells invade and accumulate in the lumen of these vessels to form 'trophoblast plugs'...
November 10, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29133552/cd101-a-novel-echinocandin-possesses-potent-anti-biofilm-activity-against-early-and-mature-candida-albicans-biofilms
#11
Jyotsna Chandra, Mahmoud A Ghannoum
Currently available echinocandins are generally effective against Candida biofilms, but recent emergence of resistance has underscored the importance of developing new antifungal agents that are effective against biofilms. CD101 is a long-acting, novel echinocandin with distinctive pharmacokinetic properties and improved stability and safety relative to other drugs in the same class. CD101 is currently being evaluated as a once-weekly IV infusion for the treatment of candidemia and invasive candidiasis. In this study, we determined: (1) the effect of CD101 against early and mature phase biofilms formed by C...
November 13, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29131605/poly-%C3%AF-methoxyalkyl-acrylate-s-a-nonthrombogenic-polymer-family-with-tunable-protein-adsorption
#12
Shingo Kobayashi, Miyuki Wakui, Yukihisa Iwata, Masaru Tanaka
A series of polyacrylates with different n-alkyl side chain lengths (one to six, and twelve carbons) and a ω-methoxy terminal group [poly(ω-methoxyalkyl acrylate): PMCxA] were prepared to study their nonthrombogenicity using human platelet adhesion, micro bicinchoninic acid (micro BCA) protein assay, and enzyme-linked immunosorbent assay (ELISA) tests. In all cases, human platelet adhesion was suppressed on the PMCxA coated substrates, and the number of human platelets adhered to the PMC3A [poly(3-methoxypropyl acrylate)] coated surface was comparable to that of commercialized nonthrombogenic coating agent poly(2-methoxyethyl acrylate) (PMEA, equal to PMC2A)...
November 13, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/29128285/prolonged-and-localized-sweat-stimulation-by-iontophoretic-delivery-of-the-slowly-metabolized-cholinergic-agent-carbachol
#13
Phillip Simmers, S Kevin Li, Gerald Kasting, Jason Heikenfeld
BACKGROUND: Continuous non-invasive sampling and sensing of multiple classes of analytes could revolutionize medical diagnostics and wearable technologies, but also remains highly elusive because of the many confounding factors for candidate biofluids such as interstitial fluid, tears, saliva, and sweat. Eccrine sweat biosensing has seen a recent surge in demonstrations of wearable sampling and sensing devices. However, for subjects at rest, access to eccrine sweat is highly limited and unpredictable compared to saliva and tears...
November 8, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29124482/apociii-as-a-cardiovascular-risk-factor-and-modulation-by-the-novel-lipid-lowering-agent-volanesorsen
#14
REVIEW
Natalia A Rocha, Cara East, Jun Zhang, Peter A McCullough
PURPOSE OF REVIEW: Apolipoprotein CIII (ApoCIII) is now recognized as a key regulator in severe hypertriglyceridemia, chylomicronemia, and conditions of triglyceride-rich lipoprotein (TRL) remnant excess due to its inhibition of lipoprotein lipase (LPL) and hepatic lipase, leading to decreased hepatic reuptake of TRLs, as well as enhanced synthesis and secretion of VLDL from the liver. ApoCIII gain-of-function mutations are associated with atherosclerosis and coronary heart disease (CHD), and contribute to the development of cardiometabolic syndrome, hypertriglyceridemia, and type 2 diabetes mellitus...
November 9, 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/29119943/an-appraisal-on-various-methods-of-nano-particulate-formulations
#15
Bindu Dhiman, Divtrannum Bhalla, Anju Dhiman, Sapna Saini
Nanotechnology has gained a great deal of public interest due to the needs and applications of nanomaterials in many areas of human endeavours such as industry, agriculture, business, medicine, public health amongst many others. Nanotechnology includes the integration of these nanoscale structures into larger material components and systems, keeping the control and construction of new and improved materials at the nanoscale. Biological nanoparticles are mainly developed for drug delivery systems as an alternative to liposomal technology, in order to overcome the problems related to the stability of these vesicles in biological fluids and during the storage...
November 8, 2017: Pharmaceutical Nanotechnology
https://www.readbyqxmd.com/read/29119436/interaction-of-bacteriophages-with-mammalian-cells
#16
Zuzanna Kaźmierczak, Krystyna Dąbrowska
Natural bacteriophages (present in the microbiome) and those applied as therapeutic agents may interact with mammalian cells and tissues. Adhesion interactions may define bacteriophage pharmacokinetics and resulting efficiency of bacteriophage agents in therapeutic applications by shaping bacteriophage homing to tissues and organs. Here we propose protocols for testing direct adhesion of bacteriophages or bacteriophage proteins to mammalian cells (in vitro). We further propose an animal model for investigation of accumulation/homing of bacteriophages in tissues (in vivo)...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29119093/surface-modification-for-bonding-between-amalgam-and-orthodontic-brackets
#17
Wittawat Wongsamut, Sirichom Satrawaha, Kornchanok Wayakanon
OBJECTIVE: Testing of methods to enhance the shear bond strength (SBS) between orthodontic metal brackets and amalgam by sandblasting and different primers. MATERIALS AND METHODS: Three hundred samples of amalgam restorations (KerrAlloy(®)) were prepared in self-cured acrylic blocks, polished, and divided into two groups: nonsandblasted and sandblasted. Each group was divided into five subgroups with different primers used in surface treatment methods, with a control group of bonded brackets on human mandibular incisors...
October 2017: Journal of Orthodontic Science
https://www.readbyqxmd.com/read/29118975/interfacial-microscopic-examination-and-chemical-analysis-of-resin-dentin-interface-of-self-adhering-flowable-resin-composite
#18
Tamer M Hamdy
Background: The newly introduced self-adhering flowable resin-composites decrease the required time for application by incorporation of an acidic adhesive monomer, thus reducing the number of the steps, but its bonding is still uncertain. The aim of this study was to evaluate the interfacial microscopic examination and chemical analysis at the resin-dentin interface of a self-adhering flowable resin composite (Vertise-Flow) versus a total-etch (Te-Econom Plus) resin composite, using an etching agent (Eco-Etch gel) and  bonding agent (Single Bond Universal)...
2017: F1000Research
https://www.readbyqxmd.com/read/29118010/cd38-antibodies-in-multiple-myeloma-back-to-the-future
#19
Niels W C J van de Donk, Paul G Richardson, Fabio Malavasi
CD38 is highly and uniformly expressed on MM cells, and at relatively low levels on normal lymphoid and myeloid cells, and in some tissues of non-hematopoietic origin. CD38 is a transmembrane glycoprotein with ectoenzymatic activity, and also functions as receptor and adhesion molecule. Altogether, this has triggered the development of several CD38 antibodies including daratumumab (fully human), isatuximab (chimeric), and MOR202 (fully human). CD38 antibodies have pleiotropic mechanisms of action including Fc-dependent immune effector mechanisms, direct apoptotic activity, and immunomodulatory effects by the elimination of CD38-positive immunesuppressor cells...
November 8, 2017: Blood
https://www.readbyqxmd.com/read/29115463/ganoderma-lucidum-polysaccharide-inhibits-prostate-cancer-cell-migration-via-the-protein-arginine-methyltransferase-6-signaling-pathway
#20
Xiaohui Zhao, Dayu Zhou, Yunen Liu, Chun Li, Xiaoguang Zhao, Ying Li, Wei Li
Prostate cancer is one of the most common types of malignant tumor of men worldwide and the incidence and mortality rate is gradually increasing. At present, the molecular mechanisms of growth and migration in human prostate cancer have not been completely elucidated. Studies have demonstrated that Ganoderma lucidum polysaccharides (GLP) can inhibit cancer. Therefore the present study investigated the effect and molecular mechanism of GLP on cell growth and migration of LNCaP human prostate cancer cells. LNCaP cells were transfected with either a protein arginine methyltransferase 6 (PRMT6) overexpression plasmid or PRMT6 small interfering (si)RNA...
October 26, 2017: Molecular Medicine Reports
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