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https://www.readbyqxmd.com/read/28813710/is-endoscopic-vasectomy-just-a-dream-an-ex-vivo-study-on-feasibility-and-reliability-of-endoluminal-occlusion-of-porcine-vas-deferens
#1
Daniel Schlager, Moritz Maas, Simon Hein, Fabian Adams, Martin Schoenthaler, Bjoern Spittau, Ulrich Wetterauer, Arkadiusz Miernik
INTRODUCTION AND AIM: Surgical vasectomy remains the gold standard for fertility control in men. Endoluminal occlusion of the seminal ducts, thus avoiding an external incision, may become an appealing alternative to this approach. As our group has shown, nontraumatic endoscopic inspection of the seminal ducts is feasible in the human cadaver. We investigated the feasibility and reliability of occlusion using several commercially available medical sealing agents in the porcine vas deferens (VD)...
August 17, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28812169/bond-strength-of-etch-and-rinse-and-self-etch-adhesive-systems-to-enamel-and-dentin-irradiated-with-a-novel-co2-9-3%C3%A2-%C3%AE-m-short-pulsed-laser-for-dental-restorative-procedures
#2
Peter Rechmann, N Bartolome, R Kinsel, R Vaderhobli, B M T Rechmann
The objective of this study was to evaluate the influence of CO2 9.3 μm short-pulsed laser irradiation on the shear bond strength of composite resin to enamel and dentin. Two hundred enamel and 210 dentin samples were irradiated with a 9.3 µm carbon dioxide laser (Solea, Convergent Dental, Inc., Natick, MA) with energies which either enhanced caries resistance or were effective for ablation. OptiBond Solo Plus [OptiBondTE] (Kerr Corporation, Orange, CA) and Peak Universal Bond light-cured adhesive [PeakTE] (Ultradent Products, South Jordan, UT) were used...
August 15, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28812060/reolysin-and-histone-deacetylase-inhibition-in-the-treatment-of-head-and-neck-squamous-cell-carcinoma
#3
Alena C Jaime-Ramirez, Jun-Ge Yu, Enrico Caserta, Ji Young Yoo, Jianying Zhang, Tae Jin Lee, Craig Hofmeister, John H Lee, Bhavna Kumar, Quintin Pan, Pawan Kumar, Robert Baiocchi, Theodoros Teknos, Flavia Pichiorri, Balveen Kaur, Matthew Old
Oncolytic viruses (OVs) are emerging as powerful anti-cancer agents and are currently being tested for their safety and efficacy in patients. Reovirus (Reolysin), a naturally occurring non-pathogenic, double-stranded RNA virus, has natural oncolytic activity and is being tested in phase I-III clinical trials in a variety of tumor types. With its recent US Food and Drug Administration (FDA) orphan drug designation for several tumor types, Reolysin is a potential therapeutic agent for various cancers, including head and neck squamous cell carcinomas (HNSCCs), which have a 5-year survival of ∼55%...
June 16, 2017: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/28810197/photochemical-formation-of-chitosan-stabilized-near-infrared-absorbing-silver-nanoworms-a-green-synthetic-strategy-and-activity-on-gram-negative-pathogenic-bacteria
#4
Sreekar Marpu, Samar S Kolailat, Daniel Korir, Brian L Kamras, Ratnesh Chaturvedi, Abel Joseph, Christopher M Smith, Misael C Palma, Jyoti Shah, Mohammad A Omary
A facile, single-step, non-seeded photochemical protocol for producing a new type of anisotropic silver nanostructure, "nanoworms", with curved longer dimensions and smooth, rounded edges. The nanoworms exhibit surface plasmon resonance (SPR) absorption in the near-infrared window (NIRW) region and are stabilized using biocompatible polymer chitosan, rendering biocompatibility and amplified safety for biological utility of the composition. Both NIRW-absorbing nanoworms and visible-absorbing nanospheres herein are attained exclusively by employing green chemistry principles...
August 4, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28809108/dual-regulations-of-thermo-sensitive-heparin-poloxamer-hydrogel-using-%C3%AE%C2%B5-polylysine-bioadhesivity-and-controlled-kgf-release-for-enhancing-wound-healing-of-endometrial-injury
#5
He-Lin Xu, Jie Xu, Bi-Xin Shen, Si-Si Zhang, Bing-Hui Jin, Qun-Yan Zhu, De-Li ZhuGe, Xue-Qing Wu, Jian Xiao, Yingzheng Zhao
ydrogel was not only used as an effective support matrix to prevent intrauterine adhesion (IUA) after endometrial injury but also served as scaffold to sustain release of some therapeutics, especially growth factor. However, because of the rapid turnover of the endometrial mucus, the poor retention and bad absorption of therapeutic agents in damaged endometrial cavity were two important factors hindering their pharmacologic effect. Herein, a mucoadhesive hydrogel was described by using heparin-modified poloxamer (HP) as the matrix material and ε-polylysine (EPL) as functional excipient...
August 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28808811/construction-and-biocompatibility-of-a-thin-type-i-ii-collagen-composite-scaffold
#6
Long Han, Zhong-Wen Zhang, Bo-He Wang, Zhen-Kun Wen
Articular cartilage injury is a common type of damage observed in clinical practice. A matrix-induced autologous chondrocyte implant was developed to repair articular cartilage as an advancement on the autologous chondrocyte implant procedure. Here, we establish a thin double layer of collagen as a novel and effective bioscaffold for the regeneration of cartilaginous lesions. We created a collagen membrane with double layers using a cover slip, a cover slip, and the collagen was then freeze-dried under vacuum...
August 14, 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28808633/comparing-the-effect-of-a-desensitizing-material-and-a-self-etch-adhesive-on-dentin-sensitivity-after-periodontal-surgery-a-randomized-clinical-trial
#7
Hila Hajizadeh, Atefeh Nemati-Karimooy, Sara Majidinia, Amir Moeintaghavi, Marjaneh Ghavamnasiri
OBJECTIVES: This double-blind randomized placebo-controlled clinical trial evaluated the ability of a desensitizing agent and a self-etch adhesive on cervical dentin sensitivity (CDS) after periodontal surgery. MATERIALS AND METHODS: Ninety hypersensitive teeth of 13 subjects were included in the study. After periodontal surgery, the teeth of each posterior sextant treated with one of the following materials: G1: Clearfil S(3) Bond (Kuraray Dental), G2: Gluma Desensitizer (Heraeus Kulzer), and G3: placebo (water)...
August 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28806426/comparative-evaluation-of-the-effect-of-laser-etching-on-the-shear-bond-strength-of-crowns-cemented-with-two-different-luting-agents-an-in-vitro-study
#8
Ankur Dahiya, Paresh Gandhi, Nadim Z Baba
PURPOSE: The aim of this study was to compare the shear bond strength of crowns cemented on natural teeth after surface treatment of the enamel with an erbium-doped yttrium aluminum garnet (Er:YAG) laser. MATERIALS AND METHODS: Crown preparation was done for 40 full-metal crowns, and wax patterns with loops were cast in a cobalt-chromium alloy. The Er:YAG laser was used for surface treatment of some teeth, and teeth without surface treatment acted as the control...
August 14, 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28804488/anti-adhesion-therapies-in-inflammatory-bowel-disease-molecular-and-clinical-aspects
#9
REVIEW
Sebastian Zundler, Emily Becker, Carl Weidinger, Britta Siegmund
The number of biologicals for the therapy of immunologically mediated diseases is constantly growing. In contrast to other agents that were previously introduced in rheumatologic or dermatologic diseases and only later adopted for the treatment of inflammatory bowel diseases (IBDs), the field of IBD was ground breaking for the concept of anti-adhesion blockade. Anti-adhesion antibodies selectively target integrins controlling cell homing to the intestine, which leads to reduction of inflammatory infiltration to the gut in chronic intestinal inflammation...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28803246/biofunctional-ionic-doped-calcium-phosphates-silk-fibroin-composites-for-bone-tissue-engineering-scaffolding
#10
S Pina, R F Canadas, G Jiménez, M Perán, J A Marchal, R L Reis, J M Oliveira
The treatment and regeneration of bone defects caused by traumatism or diseases have not been completely addressed by current therapies. Lately, advanced tools and technologies have been successfully developed for bone tissue regeneration. Functional scaffolding materials such as biopolymers and bioresorbable fillers have gained particular attention, owing to their ability to promote cell adhesion, proliferation, and extracellular matrix production, which promote new bone growth. Here, we present novel biofunctional scaffolds for bone regeneration composed of silk fibroin (SF) and β-tricalcium phosphate (β-TCP) and incorporating Sr, Zn, and Mn, which were successfully developed using salt-leaching followed by a freeze-drying technique...
August 12, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28800317/identification-of-prostate-cancer-hub-genes-and-therapeutic-agents-using-bioinformatics-approach
#11
Enhao Fang, Xiuqing Zhang, Qi Wang, Daoming Wang
BACKGROUND: Prostate cancer (PCa) is the most common and the second leading cause of cancer-related death among men in America. As the molecular mechanism of PCa has not yet been completely discovered, identification of hub genes and potential drug of this disease is an important area of research that could provide new insights into exploring the mechanisms underlying PCa. OBJECTIVE: The aim of this study was to identify potential biomarkers and novel drug for prostate cancer treatment...
July 30, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28791821/il-22-modulates-inflammatory-properties-of-human-primary-aortic-smooth-muscle-cells
#12
Paulina Gorzelak-Pabis, Maciej Chałubiński, Katarzyna Wojdan, Emilia Łuczak, Maciej Borowiec, Marlena Broncel
BACKGROUND: IL-22 is expressed at barrier surfaces, which suggests its critical role in the maintenance of normal barrier homeostasis and tissue repair. IL-22 can both promote pathological inflammation and prevent the destruction of tissues. The functional outcomes of IL-22 on vascular smooth muscle cells, which are shown to regulate immune processes within the vascular wall and which are involved in certain pathologies, have not been analyzed. OBJECTIVES: The effect of IL-22 on the expression of novel antiand pro-inflammatory and barrier disrupting cytokines, apoptosis and the expression of adhesive molecules in human primary aortic smooth muscle cells (AoSMC) was investigated...
May 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28791444/design-and-development-of-a-workflow-for-microbial-spray-formulations-including-decision-criteria
#13
Ana Bejarano, Ursula Sauer, Claudia Preininger
Herein, we present a workflow for the development of talc-based microbial inoculants for foliar spray consisting of four steps. These include together with decision-making criteria (1) the selection of additives based on their capability to wet juvenile maize leaves, (2) their adhesion on the plant, (3) their interaction with the biological systems, and (4) the choice of thickener for good dispersion stability. In total, 29 additives including polysaccharides and proteins, polyols, glycosides, oils, waxes, and surfactants (e...
August 8, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28783107/the-role-of-sphingolipids-on-innate-immunity-to-intestinal-salmonella-infection
#14
REVIEW
Fu-Chen Huang
Salmonella spp. remains a major public health problem for the whole world. To reduce the use of antimicrobial agents and drug-resistant Salmonella, a better strategy is to explore alternative therapy rather than to discover another antibiotic. Sphingolipid- and cholesterol-enriched lipid microdomains attract signaling proteins and orchestrate them toward cell signaling and membrane trafficking pathways. Recent studies have highlighted the crucial role of sphingolipids in the innate immunity against infecting pathogens...
August 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28782236/porous-titanium-scaffolds-with-self-assembled-micro-nano-hierarchical-structure-for-dual-functions-of-bone-regeneration-and-anti-infection
#15
Lu Han, Menghao Wang, Honglong Sun, Peifei Li, Kefeng Wang, Fuzeng Ren, Xiong Lu
Porous titanium (Ti) scaffolds are widely used for bone repair because of their good biocompatibility, mechanical properties and corrosion resistance. However, pristine Ti scaffolds are bioinert and unable to induce bone regeneration. In this study, chitosan coated BSA nanoparticles (CBSA NPs) and oxidized alginate (OSA) were in a layer-by-layer (LbL) manner on Ti scaffolds. The LbL film possessed micro/nano hierarchical architectures, has the features of nanostructures, and possesses abundant functional groups from CBSA NPs and OSA to improve the surface biocompatibility and biofunctionality of Ti scaffolds...
August 7, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28777978/clovamide-and-clovamide-rich-extracts-of-three-trifolium-species-as-antioxidants-and-moderate-antiplatelet-agents-in-vitro
#16
Joanna Kolodziejczyk-Czepas, Justyna Krzyżanowska-Kowalczyk, Malgorzata Sieradzka, Pawel Nowak, Anna Stochmal
This in vitro study provides a new insight into the phytochemical, antioxidant, antiplatelet and cytotoxic profiles of commercial trans-clovamide and clovamide-rich extracts, isolated from aerial parts of three Trifolium species (i.e. T. clypeatum L., T. obscurum Savi and T. squarrosum L.). Under inorganic experimental conditions, the EC50 for the investigated substances varied between 4.87 (clovamide) and 7.91 μg/ml (T. clypeatum) according to the DPPH(•) assay. The most effective 1 mM ONOO(-) scavenger was clovamide (IC50 = 19...
August 1, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28777256/the-p-407-induced-mouse-model-of-dose-controlled-hyperlipidemia-and-atherosclerosis-twenty-five-years-later
#17
Thomas P Johnston, Tatyana A Korolenko, Amirhossein Sahebkar
The poloxamer 407 (P-407) non-genetic, non-diet-induced mouse model of dose-controlled hyperlipidemia and atherosclerosis was first introduced in 1992. Dyslipidemia is produced in C57BL/6 mice of either sex following the intraperitoneal administration of P-407, which is a polyether-based nonionic surface-active-agent. Aortic atherosclerotic lesions begin to form after 1 month of repeated P-407 administration and obtain maximum size, numerical density, and human-like pathological features by 4 months. Our laboratory published a review of this model in 2004, although an update would seem both appropriate and timely based on new findings since 2004...
August 4, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28776426/understanding-the-compaction-behaviour-of-low-substituted-hpc-macro-micro-and-nano-metric-evaluations
#18
Amr ElShaer, Ali Al-Khattawi, Afzal R Mohammed, Monika Warzecha, Dimitrios A Lamprou, Hany Hassanin
The fast development in materials science has resulted in the emergence of new pharmaceutical materials with superior physical and mechanical properties. Low-substituted hydroxypropyl cellulose is an ether derivative of cellulose and is praised for its multi-functionality as a binder, disintegrant, film coating agent and as a suitable material for medical dressings. Nevertheless, very little is known about the compaction behaviour of this polymer. The aim of the current study was to evaluate the compaction and disintegration behaviour of four grades of L-HPC namely; LH32, LH21, LH11 and LHB1...
August 4, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28775239/reversion-of-epithelial-mesenchymal-transition-by-a-novel-agent-dz-50-via-igf-binding-protein-3-in-prostate-cancer-cells
#19
Zheng Cao, Shahriar Koochekpour, Stephen E Strup, Natasha Kyprianou
Dysregulation of transforming growth factor-β1 (TGF-β1) and insulin-like growth factor (IGF) axis has been linked to reactive stroma dynamics in prostate cancer progression. IGF binding protein-3 (IGFBP3) induction is initiated by stroma remodeling and could represent a potential therapeutic target for prostate cancer. In previous studies a lead quinazoline-based Doxazosin® derivative, DZ-50, impaired prostate tumor growth by targeting proteins involved in focal adhesion, anoikis resistance and epithelial-mesenchymal-transition (EMT)...
July 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28774430/modulation-of-streptococcus-mutans-virulence-by-dental-adhesives-containing-anti-caries-agents
#20
Carolina Bosso André, Pedro Luiz Rosalen, L C C Galvão, Bruna Marin Fronza, Glaucia Maria Bovi Ambrosano, Jack Liborio Ferracane, Marcelo Giannini
OBJECTIVES: The aim of this in vitro study was to analyze the effect of the incorporation of two anti-caries agents into dental adhesives on the reduction of the virulence of Streptococcus mutans and on the adhesion to dentin. METHODS: Apigenin (1mM) and tt-Farnesol (5mM) were added separately and in combination to a self-etch adhesive (CS3 - Clearfil S3 Bond Plus) and to an each-and-rinse adhesive (OPT - OptiBond S). Biofilm of S. mutans was grown on adhesive-coated hydroxyapatite disks for 115h and bacterial viability, dry-weight, alkali soluble, water soluble, intracellular polysaccharides and protein were quantified...
July 31, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
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