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Lorena P Suarez-Kelly, Gregory M Kemper, Megan C Duggan, Andrew Stiff, Tiffany C Nole, Joseph Markowitz, Eric A Luedke, Vedat O Yildiz, Lianbo Yu, Alena Cristina Jaime-Ramirez, Volodymyr Karpa, Xiaoli Zhang, William E Carson
The ubiquitin-proteasome signaling pathway is critical for cell cycle regulation and neoplastic growth. Proteasome inhibition can activate apoptotic pathways. Bortezomib, a selective proteasome inhibitor, has anti-melanoma activity. MLN2238 (ixazomib), an oral proteasome inhibitor, has improved pharmacotherapeutic parameters compared to bortezomib. Interferon-alpha (IFN-α), an immune boosting agent, is FDA-approved for treatment of melanoma. In this study in vitro and in vivo evaluation of the antitumor potential of ixazomib and combination treatments with ixazomib and IFN-α were performed...
October 21, 2016: Oncotarget
Haofei Yu, Amy L Stuart
'Smart' growth and electric vehicles are potential solutions to the negative impacts of worldwide urbanization on air pollution and health. However, the effects of planning strategies on distinct types of pollutants, and on human exposures, remain understudied. The goal of this work was to investigate the potential impacts of alternative urban designs for the area around Tampa, Florida USA, on emissions, ambient concentrations, and exposures to oxides of nitrogen (NOx), 1,3-butadiene, and benzene. We studied three potential future scenarios: sprawling growth, compact growth, and 100% vehicle fleet electrification with compact growth...
October 23, 2016: Science of the Total Environment
Coşku Kasnakoğlu
Some level of uncertainty is unavoidable in acquiring the mass, geometry parameters and stability derivatives of an aerial vehicle. In certain instances tiny perturbations of these could potentially cause considerable variations in flight characteristics. This research considers the impact of varying these parameters altogether. This is a generalization of examining the effects of particular parameters on selected modes present in existing literature. Conventional autopilot designs commonly assume that each flight channel is independent and develop single-input single-output (SISO) controllers for every one, that are utilized in parallel for actual flight...
2016: PloS One
Soodabeh Iranpour, Vahid Nejati, Nowruz Delirezh, Pouria Biparva, Sadegh Shirian
BACKGROUND: Developing safe and effective cancer vaccine formulations is a primary focus in the field of cancer immunotherapy. Dendritic cells (DC) are currently employed as cellular vaccine in clinical trials of tumor immunotherapy. Recognizing the critical role of DCs in initiating anti-tumor immunity has resulted in the development of several strategies that target vaccine antigens to DCs to trigger anti-tumor T cell responses. To increase the efficiency of antigen delivery systems for anti-tumor vaccines, encapsulation of tumor-associated antigens in polymer nanoparticles (NPs) has been established...
October 26, 2016: Journal of Experimental & Clinical Cancer Research: CR
Martin Gustavsson, David Hörnström, Susanna Lundh, Jaroslav Belotserkovsky, Gen Larsson
Today, it is considered state-of-the-art to engineer living organisms for various biotechnology applications. Even though this has led to numerous scientific breakthroughs, the enclosed interior of bacterial cells still restricts interactions with enzymes, pathways and products due to the mass-transfer barrier formed by the cell envelope. To promote accessibility, we propose engineering of biocatalytic reactions and subsequent product deposition directly on the bacterial surface. As a proof-of-concept, we used the AIDA autotransporter vehicle for Escherichia coli surface expression of tyrosinase and fully oxidized externally added tyrosine to the biopolymer melanin...
October 26, 2016: Scientific Reports
Yoonsik Bang, Jiyoung Kim, Kiyun Yu
Wearable and smartphone technology innovations have propelled the growth of Pedestrian Navigation Services (PNS). PNS need a map-matching process to project a user's locations onto maps. Many map-matching techniques have been developed for vehicle navigation services. These techniques are inappropriate for PNS because pedestrians move, stop, and turn in different ways compared to vehicles. In addition, the base map data for pedestrians are more complicated than for vehicles. This article proposes a new map-matching method for locating Global Positioning System (GPS) trajectories of pedestrians onto road network datasets...
October 22, 2016: Sensors
Anna Pérez-Bosque, Lluïsa Miró, Concepció Amat, Javier Polo, Miquel Moretó
Spray-dried preparations from porcine and bovine plasma can alleviate mucosal inflammation in experimental models and improve symptoms in patients with enteropathy. In rodents, dietary supplementation with porcine spray-dried plasma (SDP) attenuates intestinal inflammation and improves the epithelial barrier function during intestinal inflammation induced by Staphylococcus aureus enterotoxin B (SEB). The aim of this study was to discern the molecular mechanisms involved in the anti-inflammatory effects of SDP...
October 22, 2016: Nutrients
Saleem Aslam, Najam Ul Hasan, Adnan Shahid, Ju Wook Jang, Kyung-Geun Lee
The Internet of Things (IoT) has gained an incredible importance in the communication and networking industry due to its innovative solutions and advantages in diverse domains. The IoT' network is a network of smart physical objects: devices, vehicles, buildings, etc. The IoT has a number of applications ranging from smart home, smart surveillance to smart healthcare systems. Since IoT consists of various heterogeneous devices that exhibit different traffic patterns and expect different quality of service (QoS) in terms of data rate, bit error rate and the stability index of the channel, therefore, in this paper, we formulated an optimization problem to assign channels to heterogeneous IoT devices within a smart building for the provisioning of their desired QoS...
October 6, 2016: Sensors
Janusz Gajda, Marek Stencel
This paper concerns a special type of eddy-current sensor in the form of inductive loops. Such sensors are applied in the measuring systems classifying road vehicles. They usually have a rectangular shape with dimensions of 1 × 2 m, and are installed under the surface of the traffic lane. The wide Point Spread Function (PSF) of such sensors causes the information on chassis geometry, contained in the measurement signal, to be strongly averaged. This significantly limits the effectiveness of the vehicle classification...
October 4, 2016: Sensors
Yunfei Li, Brock Humphries, Zhishan Wang, Shuyao Lang, Xuefei Huang, Hua Xiao, Yiguo Jiang, Chengfeng Yang
Many polycation-based gene delivery vehicles have limited in vivo transfection efficiency because of their excessive exterior positive charges and/or PEGylation, both of which could result in premature dissociation and poor cellular uptake and trafficking. Here we reported a novel hybrid PEGylated nanoparticles (HNPs) that are composed of (a) poly(ethylene glycol)-b-poly(aspartate)-adamantane (PEG-P(asp)-Ad) constituting the outer PEG layer to provide colloidal stability; (b) poly(ethylenimine)10K (PEI10K) forming complex coacervate with P(asp) as the cross-linked cage preventing premature dissociation; and (c) cyclodextrin-decorated PEI10K (PEI10K-CD) forming the core with reporter plasmid DNA (pDNA)...
October 26, 2016: ACS Applied Materials & Interfaces
Cindy T van Velthoven, Mark Dzietko, Michael F Wendland, Nikita Derugin, Joel Faustino, Cobi J Heijnen, Donna M Ferriero, Zinaida S Vexler
Cell therapy has emerged as a potential treatment for many neurodegenerative diseases including stroke and neonatal ischemic brain injury. Delayed intranasal administration of mesenchymal stem cells (MSCs) after experimental hypoxia-ischemia and after a transient middle cerebral artery occlusion (tMCAO) in neonatal rats has shown improvement in long-term functional outcomes, but the effects of MSCs on white matter injury (WMI) are insufficiently understood. In this study we used longitudinal T2-weighted (T2W) and diffusion tensor magnetic resonance imaging (MRI) to characterize chronic injury after tMCAO induced in postnatal day 10 (P10) rats and examined the effects of delayed MSC administration on WMI, axonal coverage, and long-term somatosensory function...
October 26, 2016: Journal of Neuroscience Research
Susan Yung, Claudia Yc Ng, Kin Yi Au, Kwok Fan Cheung, Qing Zhang, Chenzhu Zhang, Desmond Yh Yap, Mel Km Chau, Tak Mao Chan
Immune deposits are often observed along the tubular basement membrane in patients with lupus nephritis, but the role of anti-dsDNA antibody deposition on tubulo-interstitial inflammation remains to be investigated. We examined the effect of human polyclonal anti-dsDNA antibodies on inflammatory processes in cultured proximal renal tubular epithelial cells (HK-2 cells) and their association with serum levels of IL-6, IL-8 and MCP-1 in patients. Binding of anti-dsDNA antibodies to HK-2 cells was investigated by cellular ELISA, flow cytometry and immunohistochemistry...
October 25, 2016: Clinical Science (1979-)
Devendra Pratap Singh, Swapnil P Borse, Manish Nivsarkar
Management of Nonsteroidal anti-inflammatory drug (NSAID)-induced gastroenteropathy has emerged as a major medical and socioeconomic problem mainly because the highly efficacious gastroprotective drugs i.e. proton pump inhibitors (PPIs) like pantoprazole sodium (PTZ), worsen the NSAID-induced enteropathic damage and lack of approved therapeutic strategies/interventions to prevent this damage. Hence, the primary objective of the current study was to assess whether we can protect the GI mucosa against gastroenteropathic damage caused by diclofenac sodium (DIC) in rats by co-administration of PTZ and quercetin (QCT)...
October 22, 2016: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
Yu-Han Meng, Xiao-Hui Zhu, Li-Ying Yan, Yan Zhang, Hong-Yan Jin, Xi Xia, Rong Li, Jie Qiao
INTRODUCTION: The successful pregnancy depends on maternal immune tolerance against the fetus. It has been reported that MSCs (mesenchymal stem cells) could play a regulatory role on immune cells such as CD4(+)T cells, macrophages and NK cells, but their effect on recurrent miscarriage is unknown. STUDY DESIGN: In a prospective study, the abortion-prone (CBA/J × DBA/2) H-2(d) × H-2(k) mice were utilized. Female CBA/J mice (8-10 weeks old) were injected with vehicle or MSCs via tail vein or uterine horns, and 14 days later, they were mated with DBA/2 males for the following experiments...
November 2016: Placenta
Xiaoke Zeng, Aaron M Kociolek, Muhammad Idrees Khan, Stephan Milosavljevic, Brenna Bath, Catherine Trask
Whole body vibration is a significant physical risk factor associated with low back pain. This study assessed farmers' exposure to whole body vibration on the Canadian Prairies according to ISO 2631-1. Eighty-seven vibration measurements were collected with a triaxial accelerometer embedded in a rubber seat pad at the operator-seat interface of agricultural machinery, including tractors, combines, pickup trucks, grain trucks, sprayers, swathers, all-terrain vehicles, and skid steers. Whole body vibration was highest in the vertical axis, with a mean (range) frequency-weighted root mean squared acceleration of 0...
October 26, 2016: Ergonomics
Eunyeong Kim, Mohammad Fard, Kazuhito Kato
Characterizing the coupling between the occupant and vehicle seat is necessary to understand the transmission of vehicle seat vibration to the human body. In this study, the vibration characteristics of the human body coupled with a vehicle seat were identified in frequencies up to 100 Hz. Transmissibilities of three volunteers seated on two different vehicle seats were measured under multi-axial random vibration excitation. The results revealed that the human-seat system vibration was dominated by the human body and foam below 10 Hz...
October 26, 2016: Ergonomics
Anne Argenta, Latha Satish, Phillip Gallo, Fang Liu, Sandeep Kathju
OBJECTIVE: To determine if local prophylactic application of probiotic bacteria to burn wounds will prevent death in a mouse model of burn wound sepsis. BACKGROUND: Infection remains the most common complication after burn injury and can result in sepsis and death, despite the use of topical and systemic antibiotics. Pseudomonas aeruginosa is a frequently implicated pathogen. Local application of probiotics directly to burn wounds is an attractive novel intervention that avoids the pitfalls of standard antibiotic therapies...
2016: PloS One
Xiang Li, Handong Wang, Yongyue Gao, Liwen Li, Chao Tang, Guodao Wen, Yuan Zhou, Mengliang Zhou, Lei Mao, Youwu Fan
The present investigation was carried out to elucidate a possible molecular mechanism related to the protective effect of quercetin administration against oxidative stress on various mitochondrial respiratory complex subunits with special emphasis on the role of nuclear factor erythroid 2-related factor 2 (Nrf2) in mitochondrial biogenesis. Recently, quercetin has been proved to have a protective effect against mitochondria damage after traumatic brain injury (TBI). However, its precise role and underlying mechanisms in traumatic brain injury are not yet fully understood...
2016: PloS One
Pablo Gella, Margarita Salas, Mario Mencía
Many different DNA delivery vehicles have been developed and tested, all with their advantages and disadvantages. The bacteriophage phi29 terminal protein (TP) is covalently linked to the 5' ends of the phage genome during the DNA replication process. Our approach is to utilize this TP as a platform to incorporate different protein or peptide modules that can target the DNA to the interior of the cell, to the nucleus, or even to subcellular compartments. In order to be able to insert different peptide modules on the TP sequence to endow it with desired functions and/or eliminate unwanted regions of the protein, we have carried out a transposition screening to detect insertion-permissive points on the sequence of the TP...
2016: PloS One
Mohamed Osman, Rajesh Paleti, Sabyasachee Mishra, Mihalis M Golias
Work zones are critical parts of the transportation infrastructure renewal process consisting of rehabilitation of roadways, maintenance, and utility work. Given the specific nature of a work zone (complex arrangements of traffic control devices and signs, narrow lanes, duration) a number of crashes occur with varying severities involving different vehicle sizes. In this paper we attempt to investigate the causal factors contributing to injury severity of large truck crashes in work zones. Considering the discrete nature of injury severity categories, a number of comparable econometric models were developed including multinomial logit (MNL), nested logit (NL), ordered logit (ORL), and generalized ordered logit (GORL) models...
October 22, 2016: Accident; Analysis and Prevention
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