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Rapid Response System

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https://www.readbyqxmd.com/read/28727184/early-warning-systems-and-rapid-response-to-the-deteriorating-patient-in-hospital-a-systematic-realist-review
#1
REVIEW
Jennifer McGaughey, Peter O'Halloran, Sam Porter, Bronagh Blackwood
AIM: To determine the Rapid Response System programme theory and investigate how the mechanisms of implementation and the characteristics of context combine to enable or constrain the implementation of Rapid Response Systems and the achievement of desired outcomes. BACKGROUND: Rapid Response Systems have been implemented internationally to improve the recognition and management of patient deterioration, reduce the need for cardiopulmonary resuscitation and improve patient outcomes...
July 20, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28726635/as-cath1-6-novel-cathelicidins-with-potent-antimicrobial-and-immunomodulatory-properties-from-alligator-sinensis-play-pivotal-roles-in-host-anti-microbial-immune-responses
#2
Yan Chen, Shasha Cai, Xue Qiao, Mali Wu, Zhilai Guo, Renping Wang, Yi-Qun Kuang, Haining Yu, Yipeng Wang
Crocodilians are regarded as possessing a powerful immune system. However, the composition and action of crocodilian immune system has remained unclear until now. Cathelicidins, the principal family of host defense peptides, play pivotal roles in vertebrate immune defense against microbial invasions. However, cathelicidins from crocodilians have not been extensively studied to date. In the present study, six novel cathelicidins (As-CATH1~6) were identified and characterized from the endangered Chinese Alligator ( Alligator sinensis )...
July 18, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28726587/repair-of-tympanic-membrane-perforations-with-customized-bioprinted-ear-grafts-using-chinchilla-models
#3
Che-Ying Kuo, Emmanuel Wilson, Andrew Fuson, Nidhi Gandhi, Reza Monfaredi, Audrey Jenkins, Maria Romero, Marco Santoro, John P Fisher, Kevin Cleary, Brian Reilly
The goal of this work is to develop an innovative method that combines bioprinting and endoscopic imaging to repair tympanic membrane perforations (TMPs). TMPs are a serious health issue because they can lead to both conductive hearing loss and repeated otitis media. TMPs occur in 3 to 5% of cases after ear tube placement as well as in cases of acute otitis media (the second most common infection in pediatrics), chronic otitis media with or without cholesteatoma, or as a result of barotrauma to the ear. About 55,000 tympanoplasties, the surgery performed to reconstruct TMPs, are performed every year and the commonly used cartilage grafting technique has a success rate between 43% to 100%...
July 20, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28726123/rapidly-progressive-white-matter-involvement-in-early-childhood-the-expanding-phenotype-of-infantile-onset-pompe
#4
A Broomfield, J Fletcher, P Hensman, R Wright, H Prunty, J Pavaine, S A Jones
Glycogen accumulation in the central nervous system of patients with classical infantile onset Pompe disease (IOPD) has been a consistent finding on the few post-mortems performed. While delays in myelination and a possible reduction in processing speed have previously been noted, it has only been recently that the potential for clinically significant progressive white matter disease has been noted. The limited reports thus far published infer that in some IOPD patients, this manifests as intellectual decline in the second decade of life...
July 20, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28725482/systems-biology-driving-drug-development-from-design-to-the-clinical-testing-of-the-anti-erbb3-antibody-seribantumab-mm-121
#5
REVIEW
Birgit Schoeberl, Art Kudla, Kristina Masson, Ashish Kalra, Michael Curley, Gregory Finn, Emily Pace, Brian Harms, Jaeyeon Kim, Jeff Kearns, Aaron Fulgham, Olga Burenkova, Viara Grantcharova, Defne Yarar, Violette Paragas, Jonathan Fitzgerald, Marisa Wainszelbaum, Kip West, Sara Mathews, Rachel Nering, Bambang Adiwijaya, Gabriela Garcia, Bill Kubasek, Victor Moyo, Akos Czibere, Ulrik B Nielsen, Gavin MacBeath
The ErbB family of receptor tyrosine kinases comprises four members: epidermal growth factor receptor (EGFR/ErbB1), human EGFR 2 (HER2/ErbB2), ErbB3/HER3, and ErbB4/HER4. The first two members of this family, EGFR and HER2, have been implicated in tumorigenesis and cancer progression for several decades, and numerous drugs have now been approved that target these two proteins. Less attention, however, has been paid to the role of this family in mediating cancer cell survival and drug tolerance. To better understand the complex signal transduction network triggered by the ErbB receptor family, we built a computational model that quantitatively captures the dynamics of ErbB signaling...
2017: NPJ Systems Biology and Applications
https://www.readbyqxmd.com/read/28725185/reticular-formation-and-pain-the-past-and-the-future
#6
REVIEW
Isabel Martins, Isaura Tavares
The involvement of the reticular formation (RF) in the transmission and modulation of nociceptive information has been extensively studied. The brainstem RF contains several areas which are targeted by spinal cord afferents conveying nociceptive input. The arrival of nociceptive input to the RF may trigger alert reactions which generate a protective/defense reaction to pain. RF neurons located at the medulla oblongata and targeted by ascending nociceptive information are also involved in the control of vital functions that can be affected by pain, namely cardiovascular control...
2017: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/28724780/a-reduced-somatosensory-gating-response-in-individuals-with-multiple-sclerosis-is-related-to-walking-impairment
#7
David J Arpin, James E Gehringer, Tony W Wilson, Max J Kurz
When identical stimuli are presented in rapid temporal succession, neural responses to the second stimulation are often weaker than that observed for the first. This phenomenon is termed sensory gating and is believed to be an adaptive feature that helps prevent higher-order cortical centers from being flooded with unnecessary information. Recently, sensory gating in the somatosensory system has been linked to deficits in tactile discrimination. Additionally, studies have linked poor tactile discrimination with impaired walking and balance in individuals with multiple sclerosis (MS)...
July 19, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28724770/rgs-cam-detects-and-counteracts-viral-rna-silencing-suppressors-in-plant-immune-priming
#8
Eun Jin Jeon, Kazuki Tadamura, Taiki Murakami, Jun-Ichi Inaba, Bo Min Kim, Masako Sato, Go Atsumi, Kazuyuki Kuchitsu, Chikara Masuta, Kenji S Nakahara
Primary infection of a plant with a pathogen that causes high accumulation of salicylic acid in the plant typically via a hypersensitive response confers enhanced resistance against secondary infection with a broad spectrum of pathogens, including viruses. This phenomenon is called systemic acquired resistance (SAR), which is a plant-priming for adaption to repeated biotic stress. However, the molecular mechanisms of SAR-mediated enhanced inhibition, especially of virus infection, remain unclear. Here, we show that SAR against cucumber mosaic virus (CMV) in tobacco plants (Nicotiana tabacum) involves a calmodulin-like protein, rgs-CaM...
July 19, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28724604/a-simple-toolset-to-identify-endogenous-post-translational-modifications-for-a-target-protein-a-snapshot-of-the-egfr-signaling-pathway
#9
Henrick Horita, Andy Law, Soonjin Hong, Kim Middleton
Identification of a novel post-translational modification (PTM) for a target protein, defining its physiologic role, and studying its potential crosstalk with other PTMs is a challenging process. A set of highly sensitive tools termed Signal-Seeker kits was developed, which enables rapid and simple detection of post-translational modifications on any target protein.  The methodology for these tools utilizes affinity purification of modified proteins from a cell or tissue lysate and immunoblot analysis. These tools utilize a single lysis system that is effective at identifying endogenous, dynamic PTM changes, as well as the potential crosstalk between PTMs...
July 19, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28723192/mechanistic-challenges-and-advantages-of-biosensor-miniaturization-into-the-nanoscale
#10
Leyla Soleymani, Feng Li
Over the past few decades, there has been tremendous interest in developing biosensing systems that combine high sensitivity and specificity with rapid sample-to-answer times, portability, low-cost operation, and ease-of-use. Miniaturizing the biosensor dimensions into the nanoscale has been identified as a strategy for addressing the functional requirements of point-of-care and wearable biosensors. However, it is important to consider that decreasing the critical dimensions of biosensing elements impacts the two most important performance metrics of biosensors: limit-of-detection and response time...
April 28, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28721831/transient-production-of-recombinant-pharmaceutical-proteins-in-plants-evolution-and-perspectives
#11
Lilya Kopertekh, Joachim Schiemann
During the last two decades the production of pharmaceutical proteins in plants evolved from proof of concept to established technology adopted by several biotechnological companies. This progress is particularly based on intensive research starting stable genetic transformation and moving to transient expression. Due to its advantages in yield and speed of protein production transient expression platforms became leading plant-based manufacturing technology. Current transient expression methods rely on Agrobacterium-mediated delivery of expression vectors into plant cells...
July 18, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28720895/rapid-response-of-eastern-mediterranean-deep-sea-microbial-communities-to-oil
#12
Jiang Liu, Stephen M Techtmann, Hannah L Woo, Daliang Ning, Julian L Fortney, Terry C Hazen
Deep marine oil spills like the Deepwater Horizon (DWH) in the Gulf of Mexico have the potential to drastically impact marine systems. Crude oil contamination in marine systems remains a concern, especially for countries around the Mediterranean Sea with off shore oil production. The goal of this study was to investigate the response of indigenous microbial communities to crude oil in the deep Eastern Mediterranean Sea (E. Med.) water column and to minimize potential bias associated with storage and shifts in microbial community structure from sample storage...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720549/evolutionary-basis-of-a-new-approach-for-the-treatment-of-malignant-brain-tumors-from-mice-to-humans
#13
Pedro R Lowenstein, Maria G Castro
Glioma cells are one of the most aggressive and malignant tumors. Following initial surgery, and radio-chemotherapy they progress rapidly, so that patients' median survival remains under two years. They invade throughout the brain, which makes them difficult to treat, and are universally lethal. Though total resection is always attempted it is not curative. Standard of care in 2016 comprises surgical resection, radiotherapy and chemotherapy (temozolomide). Median survival is currently ~14-20months post-diagnosis though it can be higher in high complexity medical university centers, or during clinical trials...
July 15, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28720323/rapid-divergence-of-histones-in-hydrozoa-cnidaria-and-evolution-of-a-novel-histone-involved-in-dna-damage-response-in-hydra
#14
Puli Chandramouli Reddy, Suyog Ubhe, Neha Sirwani, Rasika Lohokare, Sanjeev Galande
Histones are fundamental components of chromatin in all eukaryotes. Hydra, an emerging model system belonging to the basal metazoan phylum Cnidaria, provides an ideal platform to understand the evolution of core histone components at the base of eumetazoan phyla. Hydra exhibits peculiar properties such as tremendous regenerative capacity, lack of organismal senescence and rarity of malignancy. In light of the role of histone modifications and histone variants in these processes it is important to understand the nature of histones themselves and their variants in hydra...
June 15, 2017: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/28719742/integrated-smartphone-app-chip-system-for-on-site-ppb-level-colorimetric-quantitation-of-aflatoxins
#15
Xiaochun Li, Fan Yang, Jessica X H Wong, Hua-Zhong Yu
We demonstrate herein an integrated, smartphone-app-chip (SPAC) system for on-site quantitation of food toxins, as demonstrated with aflatoxin B1 (AFB1), at parts-per-billion (ppb) level in food products. The detection is based on an indirect competitive immunoassay fabricated on a transparent plastic chip with the assistance of a microfluidic channel plate. A 3D-printed optical accessory attached to a smartphone is adapted to align the assay chip and to provide uniform illumination for imaging, with which high-quality images of the assay chip are captured by the smartphone camera and directly processed using a custom-developed Android app...
July 18, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28719100/deuteration-of-hyperpolarized-%C3%A2-%C3%A2-c-labelled-zymonic-acid-enables-sensitivity-enhanced-dynamic-mri-of-ph
#16
Christian Hundshammer, Stephan Düwel, Simone Köcher, Malte Gersch, Benedikt Feuerecker, Christoph Scheurer, Axel Haase, Steffen J Glaser, Markus Schwaiger, Franz Schilling
Aberrant pH is characteristic of many pathologies such as ischemia, inflammation or cancer. Therefore, a non-invasive and spatially resolved pH determination is valuable for disease diagnosis, characterization of response to treatment and the design of pH-sensitive drug delivery systems. We recently introduced hyperpolarized zymonic acid (ZA) as a novel MRI probe of extracellular pH utilizing dissolution dynamic polarization (DNP) for a more than 10,000-fold NMR signal enhancement. Here we present a strategy to enhance the sensitivity of this approach by deuteration of ZA (ZAd)...
July 18, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/28718496/-introduction-of-rapid-syphilis-and-hiv-testing-in-prenatal-care-in-colombia-qualitative-analysis
#17
María Teresa Ochoa-Manjarrés, Hernando Guillermo Gaitán-Duarte, Sidia Caicedo, Berta Gómez, Freddy Pérez
Objective: Interpret perceptions of Colombian health professionals concerning factors that obstruct and facilitate the introduction of rapid syphilis and HIV testing in prenatal care services. Methods: A qualitative study based on semi-structured interviews was carried out. A convenience sample was selected with 37 participants, who included health professionals involved in prenatal care services, programs for pregnant women, clinical laboratories, and directors of health care units or centers, as well as representatives from regional departments and the Ministry of Health...
December 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28717386/understanding-low-radiation-background-biology-through-controlled-evolution-experiments
#18
Nathanael Lampe, Vincent Breton, David Sarramia, Télesphore Sime-Ngando, David G Biron
Biological experiments conducted in underground laboratories over the last decade have shown that life can respond to relatively small changes in the radiation background in unconventional ways. Rapid changes in cell growth, indicative of hormetic behaviour and long-term inheritable changes in antioxidant regulation have been observed in response to changes in the radiation background that should be almost undetectable to cells. Here, we summarize the recent body of underground experiments conducted to date, and outline potential mechanisms (such as cell signalling, DNA repair and antioxidant regulation) that could mediate the response of cells to low radiation backgrounds...
August 2017: Evolutionary Applications
https://www.readbyqxmd.com/read/28716484/the-anti-tumor-activity-of-the-stat3-inhibitor-stx-0119-occurs-via-promotion-of-tumor-infiltrating-lymphocyte-accumulation-in-temozolomide-resistant-glioblastoma-cell-line
#19
Yasuto Akiyama, Chizu Nonomura, Tadashi Ashizawa, Akira Iizuka, Ryota Kondou, Haruo Miyata, Takashi Sugino, Koichi Mitsuya, Nakamasa Hayashi, Yoko Nakasu, Akira Asai, Mamoru Ito, Yoshio Kiyohara, Ken Yamaguchi
STAT3 is considered to be a key molecule to mediating tumor-induced immunosuppression in various manners at tumor sites, by acting through immune-regulatory cytokines derived from the tumor cells. Specific anti-STAT3 inhibitors have been developed using nude mouse models transplanted with human tumor cells. However, mouse systems cannot accurately represent the human immune response induced by STAT3 inhibitors, and more humanized therapeutic model based on human immune cells and tumors are needed. In the present study, an immune-deficient NOG mouse with the deletion of both MHC-class I and class II genes, an MHC-double knockout mouse (dKO-NOG), was developed and used to establish humanized immunotherapeutic model...
July 14, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28716096/optimizing-reproducibility-of-operant-testing-through-reinforcer-standardization-identification-of-key-nutritional-constituents-determining-reward-strength-in-touchscreens
#20
Eun Woo Kim, Benjamin U Phillips, Christopher J Heath, So Yeon Cho, Hyunjeong Kim, Jemeen Sreedharan, Ho-Taek Song, Jong Eun Lee, Timothy J Bussey, Chul Hoon Kim, Eosu Kim, Lisa M Saksida
Reliable and reproducible assessment of animal learning and behavior is a central aim of basic and translational neuroscience research. Recent developments in automated operant chamber technology have led to the possibility of universal standard protocols, in addition to increased translational potential, reliability and accuracy. However, the impact of regional and national differences in the supplies of available reinforcers in this system on behavioural performance and inter-laboratory variability is an unknown and at present uncontrolled variable...
July 17, 2017: Molecular Brain
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