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Y Qazi, D Shaffer, B Kaplan, D Kim, F L Luan, V R Peddi, F Shihab, S Tomlanovich, S Yilmaz, K McCague, D Patel, S Mulgaonkar
In this 12-month, multicenter, randomized, open-label, non-inferiority study, de novo renal transplant recipients (RTxRs) were randomized (1:1) to receive everolimus plus low-dose tacrolimus (EVR+LTac) or mycophenolate mofetil plus standard-dose Tac (MMF+STac) with induction therapy (basiliximab or rabbit anti-thymocyte globulin). Non-inferiority of composite efficacy failure rate (tBPAR/graft loss/death/loss to follow-up) in EVR+LTac versus MMF+STac, was missed by 1.4% considering the non-inferiority margin of 10% (24...
October 24, 2016: American Journal of Transplantation
Vera L Tunitskaya, Olesja V Eliseeva, Vladimir T Valuev-Elliston, Daria A Tyurina, Natalia F Zakirova, Olga A Khomich, Martins Kalis, Oleg E Latyshev, Elizaveta S Starodubova, Olga N Ivanova, Sergey N Kochetkov, Maria G Isaguliants, Alexander V Ivanov
Hepatitis delta virus (HDV) is a viroid-like blood-borne human pathogen that accompanies hepatitis B virus infection in 5% patients. HDV has been studied for four decades; however, the knowledge on its life-cycle and pathogenesis is still sparse. The studies are hampered by the absence of the commercially-available HDV-specific antibodies. Here, we describe a set of reproducible methods for the expression in E. coli of His-tagged small antigen of HDV (S-HDAg), its purification, and production of polyclonal anti-S-HDAg antibodies in rabbits...
October 20, 2016: International Journal of Molecular Sciences
Jian Hu, Qingmei Wang, Li Huang, Yuanqing Zeng, Zheng Hu, Dixian Luo
Objective To prepare rabbit anti-aldo-keto reductase family 1 member B10 (AKR1B10) polyclonal antibody and identify its specificity. Methods AKR1B10 cDNA was amplified by reverse transcription PCR (RT-PCR) and inserted into prokaryotic expression vector pET-15b to form recombinant plasmid pET-15b-AKR1B10. The recombinant plasmid pET-15b-AKR1B10 was transformed into E.coli DH5α. Isopropylthio-β-D-galactoside (IPTG) was used to induce the expression of the recombinant protein His-tagged AKR1B10 in E.coli DH5α...
November 2016: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
Michelle Maclean, John G Anderson, Scott J MacGregor, Tracy White, Chintamani D Atreya
Bacterial contamination of injectable stored biological fluids such as blood plasma and platelet concentrates preserved in plasma at room temperature is a major health risk. Current pathogen reduction technologies (PRT) rely on the use of chemicals and/or ultraviolet light, which affects product quality and can be associated with adverse events in recipients. 405 nm violet-blue light is antibacterial without the use of photosensitizers and can be applied at levels safe for human exposure, making it of potential interest for decontamination of biological fluids such as plasma...
2016: Journal of Blood Transfusion
Saganuwan Alhaji Saganuwan, Orinya Agbaji Orinya
Piroxicam is a benzothiazine compound with anti-inflammatory, antipyretic, and analgesic properties. Because of the very high efficacy of piroxicam and its increasing use in the treatment of carcinomas in dogs and cats, there is a need for acute toxicity study of piroxicam in monogastric animals and its potential for causing secondary poisoning in puppies. Piroxicam manufactured by Shanxi Federal Pharmaceutical Co, Ltd. was used for this study. Revised up-and-down procedure was used for the estimation of median lethal dose in mouse (259...
2016: Journal of Experimental Neuroscience
Jianguo Ma, Yuan Luo, René R Sevag Packard, Teng Ma, Yichen Ding, Parinaz Abiri, Yu-Chong Tai, Qifa Zhou, Kirk K Shung, Rongsong Li, Tzung Hsiai
Plaque rupture causes acute coronary syndromes and stroke. Intraplaque oxidized low density lipoprotein (oxLDL) is metabolically unstable and prone to induce rupture. We designed an intravascular ultrasound (IVUS)-guided electrochemical impedance spectroscopy (EIS) sensor to enhance the detection reproducibility of oxLDL-laden plaques. The flexible 2-point micro-electrode array for EIS was affixed to an inflatable balloon anchored onto a co-axial double layer catheter (outer diameter = 2 mm). The mechanically scanning-driven IVUS transducer (45 MHz) was deployed through the inner catheter (diameter = 1...
November 1, 2016: Sensors and Actuators. B, Chemical
Alex Hayes, Katrina Easton, Pavan Teja Devanaboyina, Jian-Ping Wu, Thomas Brett Kirk, David Lloyd
BACKGROUND: The cross-sectional area (CSA) of a material is used to calculate stress under load. The mechanical behaviour of soft tissue is of clinical interest in the management of injury; however, measuring CSA of soft tissue is challenging as samples are geometrically irregular and may deform during measurement. This study presents a simple method, using structured light scanning (SLS), to acquire a 3D model of rabbit Achilles tendon in vitro for measuring CSA of a tendon. METHOD: The Artec Spider™ 3D scanner uses structured light and stereophotogrammetry technologies to acquire shape data and reconstruct a 3D model of an object...
October 6, 2016: Journal of Biomechanics
Hui Li, Linjian Huang, Qianyang Xie, Xieyi Cai, Chi Yang, Shaoyi Wang, Min Zhang
OBJECTIVE: To investigate the effects of gradient mechanical pressure on chondrocyte proliferation, apoptosis, and the expression of markers of chondrogenesis and chondrocyte hypertrophy. METHODS: Mandibular condylar chondrocytes from 5 rabbits were cultured in vitro, and pressed with static pressures of 50kPa, 100kPa, 150kPa and 200kPa for 3h, respectively. The chondrocytes cultured without pressure (0kPa) were used as control. Cell proliferation, apoptosis, and the expression of aggrecan (AGG), collagen II (COL2), collagen X (COL10), alkaline phosphatase (ALP) were investigated...
October 17, 2016: Archives of Oral Biology
Francesca Veronesi, Gianluca Giavaresi, Milena Fini, Giovanni Longo, Caterina Alexandra Ioannidu, Anna Scotto d'Abusco, Fabiana Superti, Gianluca Panzini, Carlo Misiano, Alberto Palattella, Paolo Selleri, Nicola Di Girolamo, Viola Garbarino, Laura Politi, Roberto Scandurra
Titanium implants coated with a 500nm nanostructured layer, deposited by the Ion Plating Plasma Assisted (IPPA) technology, composed of 60% graphitic carbon, 25% titanium oxides and 15% titanium carbide were implanted into rabbit femurs whilst into the controlateral femurs uncoated titanium implants were inserted as control. At four time points the animals were injected with calcein green, xylenol orange, oxytetracycline and alizarin. After 2, 4 and 8weeks femurs were removed and processed for histology and static and dynamic histomorphometry for undecalcified bone processing into methylmethacrylate, sectioned, thinned, polished and stained with Toluidine blue and Fast green...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
Yurong Cai, Junmao Guo, Cen Chen, Chenxue Yao, Sung-Min Chung, Juming Yao, In-Seop Lee, Xiangdong Kong
With the aim to develop a novel membrane with an appropriate mechanical property and degradation rate for guided bone tissue regeneration, lyophilized and densified silk fibroin membrane was fabricated and its mechanical behavior as well as biodegradation property were investigated. The osteoconductive potency of the silk fibroin membranes were evaluated in a defect rabbit calvarial model. Silk fibroin membrane showed the modulated biodegradable and mechanical properties via ethanol treatment with different concentration...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
Vassilios Kozobolis, Maria Gkika, Haris Sideroudi, Efthymia Tsaragli, Stylliani Lydataki, Irini Naoumidi, Alexandra Giatromanolaki, Dimitrios Mikropoulos, Miguel Teus, Georgios Labiris
The Purpose of present study was to investigate the effect of riboflavin/ultraviolet-A-induced collagen cross-linking (CXL) on central cornea, limbus and intraocular pressure (IOP). This was an animal experimental study. The right corneas of 10 rabbits were ultraviolet-A irradiated (3 mW/cm2 for 30 minutes) after de-epithelialization and instillation of 0.1% riboflavin / 20% Dextran drops. Left corneas served as controls. Samples were examined histologically one month postoperatively. Before and after treatment, IOP measurements were recorded bilaterally...
2016: Acta Medica (Hradec Králové)
France Lambert, Miljana Bacevic, Pierre Layrolle, Peter Schüpbach, Pierre Drion, Eric Rompen
AIMS: The primary objective of this study was to compare the in vivo performance, namely in terms of quantity of newly formed bone and bone-to-material contact (osteoconductivity), of three hydroxyapatite-based biomaterials (HA) of different origins (natural or synthetic) or manufacturing process in a sinus lift model in rabbits. The secondary objective was to correlate the findings with the physical and topographical characteristics of the biomaterials. MATERIALS AND METHODS: Two bovine HA manufactured with different processes (bovine hydroxyapatites [BHA] and cuttlebone hydroxyapatite [CBHA]) and a synthetic hydroxyapatite (SHA) sintered at high temperature were characterised with scanning electronic microscopy (SEM) and the measurement of specific surface area (BET)...
October 22, 2016: Clinical Oral Implants Research
Fuqin Zou, Dong Zeng, Bin Wen, Hao Sun, Yi Zhou, Mingyue Yang, Zhirong Peng, Shuai Xu, Hesong Wang, Xiangchao Fu, Dan Du, Yan Zeng, Hui Zhu, Kangcheng Pan, Bo Jing, Ping Wang, Xueqin Ni
Antibiotics have been widely used for the prevention and the treatment of diseases to humans and animals, and they have fed additives for agricultural animals to promote growth. However, there is a growing concern over the practice due to its side effects on intestinal microbial communities which plays a vital role in animals' health. To investigate the effect of antibiotics on the bacterial population of the caecum in rex rabbits, 80 rex rabbits were randomly divided into four groups: control group (B, basal diet), chlortetracycline group (C, 50 mg/kg), colistin sulfate group (S, 20 mg/kg) and zinc bacitracin group (Z, 40 mg/kg)...
December 2016: AMB Express
Yanhong Li, Xiaolong Sui, Hua Zhu, Yanfeng Xu, Lan Huang, Yuhuan Xu, Yunlin Han, Xiaochun Feng, Chuan Qin
Henoch-Schönlein purpura (HSP) is a systemic vasculitis mediated by autologous immune complex. Animal models of HSP are scarce. Here, we describe the characteristics of HSP rabbit model in the acute and recovery phase. First, we constructed the HSP rabbit models, and then assessed immunologic indicators of models by enzyme-linked immunosorbent assay and immunoturbidimetry. Histomorphological characteristics were analyzed by haematoxylin-eosin, immunofluorescence and special staining. In the acute stage (24 h) after antigen challenge, the model group rabbits featured skin ecchymosis and abnormal laboratory examination results...
October 21, 2016: Archives of Dermatological Research
Pim B Olthof, Michal Heger, Krijn P van Lienden, Kora de Bruin, Roelof J Bennink, Thomas M van Gulik
BACKGROUND: Portal vein embolization is the gold standard approach to preoperatively enhance the future liver remnant before liver resection. Portal vein embolization is studied in several experimental animal models; however, clinical translation of results is often difficult. We aimed to examine the translational value of the portal vein embolization response in a standardized rabbit model by comparing the volume and function increase with the response seen in patients. METHODS: Six rabbits were subjected to embolization of the cranial liver lobes, and the hypertrophy response of the caudal liver lobe was studied using computed tomography volumetry and Technetium-99m-labeled-mebrofenin hepatobiliary scintigraphy...
October 18, 2016: Surgery
Amal A Sultan, Sanaa A El-Gizawy, Mohamed A Osman, Gamal M El Maghraby
Mixed micelles provide promising strategy for enhancing dissolution and permeability of drugs. However, their fluid nature limited the stability of the loaded drug and hindered the development of stable oral dosage form. Accordingly, the objective was to develop solid self dispersing mixed micelle forming systems (MMFS) for enhanced dissolution and intestinal permeability of hydrochlorothiazide. Pseudoternary phase diagrams were constructed using sodium cholate, lecithin with either poloxamer 407 or PEG 4000 to determine the composition of MMFS...
October 13, 2016: Colloids and Surfaces. B, Biointerfaces
Debarun Dutta, Ajay K Vijay, Naresh Kumar, Mark D P Willcox
Purpose: To determine the ability of antimicrobial peptide melimine-coated contact lenses to reduce the incidence of microbial keratitis (MK) in a rabbit model of contact lens wear. Methods: In vitro antimicrobial activity of melimine-coated contact lenses was determined against Pseudomonas aeruginosa by viable count and a radiolabeled assay. The amount of lipopolysaccharide (LPS) associated with bacteria bound to melimine-coated and control lenses was determined...
October 1, 2016: Investigative Ophthalmology & Visual Science
Ai Ueki, Tomohisa Okuma, Shinichi Hamamoto, Yukio Miki
Purpose To evaluate survival time with concurrent, combined use of radiofrequency ablation (RFA) and one of the commonly used platinum-doublet chemotherapies (cisplatin [CDDP]/paclitaxel [PTX], CDDP/vinorelbine [VNR], CDDP/adriamycin [ADR], or CDDP/pemetrexed [MTA] combinations) by using a rabbit VX2 lung tumor model. Materials and Methods The experiment was approved by the institutional animal care committee. VX2 cells were implanted into the lungs of 60 rabbits randomized into groups treated with supportive care (control group), RFA alone, chemotherapy alone (CDDP/PTX, CDDP/VNR, CDDP/ADR, or CDDP/MTA), or a combination of RFA and chemotherapy (RFA/CDDP/PTX, RFA/CDDP/VNR, RFA/CDDP/ADR, or RFA/CDDP/MTA)...
October 21, 2016: Radiology
Peter T Theunissen, Sonia Beken, Bruce Beyer, William J Breslin, Gregg D Cappon, Connie L Chen, Gary Chmielewski, Luc de Schaepdrijver, Brian Enright, Jennifer E Foreman, Wafa Harrouk, Kok-Wah Hew, Alan M Hoberman, Julia Y Hui, Thomas B Knudsen, Susan B Laffan, Susan L Makris, Matthew Martin, Mary Ellen McNerney, Christine L Siezen, Dinesh J Stanislaus, Jane Stewart, Kary E Thompson, Belen Tornesi, Jan Willem Van der Laan, Gerhard F Weinbauer, Sandra Wood, Aldert H Piersma
A database of embryo-fetal developmental toxicity (EFDT) studies of 379 pharmaceutical compounds in rat and rabbit was analyzed for species differences based on toxicokinetic parameters of area under the curve (AUC) and maximum concentration (Cmax) at the developmental lowest adverse effect level (dLOAEL). For the vast majority of cases (83% based on AUC of n = 283), dLOAELs in rats and rabbits were within the same order of magnitude (less than 10-fold different) when compared based on available data on AUC and Cmax exposures...
October 21, 2016: Critical Reviews in Toxicology
Mariola Paściak, Sabina Górska, Natalia Jawiarczyk, Andrzej Gamian
Structural studies of the major glycolipids produced by two Lactobacillus johnsonii (LJ) strains, LJ 151 isolated from intestinal tract of healthy mice and LJ 142 isolated from mice with experimentally induced inflammatory bowel disease (IBD), were performed. Two major glycolipids, GL1 and GL2, were present in lipid extracts from L. johnsonii 142 and 151 strains. Glycolipid GL1 has been identified as β-D-Glcp-(1→6)-α-D-Galp-(1→2)-α-D-Glcp-diglyceride and GL2 as α-D-Galp-(1→2)-α-D-Glcp-diglyceride...
October 21, 2016: Microbial Biotechnology
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