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https://www.readbyqxmd.com/read/29338223/chemo-enzymatic-synthesis-of-clickable-xylo-oligosaccharide-monomers-from-hardwood-4-o-methyl-glucuronoxylan
#1
Benjamin MacCormick, Thu V Vuong, Emma R Master
A chemo-enzymatic pathway was developed to transform 4-O-methylglucuronic acid (MeGlcpA) containing xylo-oligosaccharides from beechwood into clickable monomers capable of polymerizing at room temperature and in aqueous conditions to form unique polytriazoles. While the gluco-oligosaccharide oxidase (GOOX) from Sarocladium strictum was used to oxidize C6-propargylated oligosaccharides, the acid-amine coupling reagents EDAC and DMT-MM were employed and compared for their ability to append click functionalities to carboxylic acid groups of enzyme-treated oligosaccharides...
January 17, 2018: Biomacromolecules
https://www.readbyqxmd.com/read/29302117/an-in-vitro-study-comparing-the-gme-handling-of-two-contemporary-oxygenators
#2
Carl J Gisnarian, Angela Hedman, Kenneth G Shann
Gaseous microemboli (GME) are a potential complication of cardiopulmonary bypass (CPB). Though it is difficult to prove that GME is the only major cause of neurological deficits, it may increase the chance of post-operative cognitive dysfunction if not removed. The objectives of this research were to compare LivaNova-Sorin Inspire (Inspire) oxygenator with a Medtronic arterial filter to the Medtronic Fusion (Fusion) oxygenator with and without a Medtronic arterial filter based on each system's ability to handle GME...
December 2017: Journal of Extra-corporeal Technology
https://www.readbyqxmd.com/read/29248334/diagnostic-accuracy-of-a-new-high-sensitivity-troponin-i-assay-and-five-accelerated-diagnostic-pathways-for-ruling-out-acute-myocardial-infarction-and-acute-coronary-syndrome
#3
Jaimi H Greenslade, Edward W Carlton, Christopher Van Hise, Elizabeth Cho, Tracey Hawkins, William A Parsonage, Jillian Tate, Jacobus Ungerer, Louise Cullen
STUDY OBJECTIVE: This diagnostic accuracy study describes the performance of 5 accelerated chest pain pathways, calculated with the new Beckman's Access high-sensitivity troponin I assay. METHODS: High-sensitivity troponin I was measured with presentation and 2-hour blood samples in 1,811 patients who presented to an emergency department (ED) in Australia. Patients were classified as being at low risk according to 5 rules: modified accelerated diagnostic protocol to assess patients with chest pain symptoms using troponin as the only biomarker (m-ADAPT), the Emergency Department Assessment of Chest Pain Score (EDACS) pathway, the History, ECG, Age, Risk Factors, and Troponin (HEART) pathway, the No Objective Testing Rule, and the new Vancouver Chest Pain Rule...
December 13, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/29241186/strengthening-gastric-cancer-therapy-by-trastuzumab-conjugated-nanoparticles-with-simultaneous-encapsulation-of-anti-mir-21-and-5-fluorouridine
#4
Nan Hu, Jun Feng Yin, Ze Ji, Yidong Hong, Puyuan Wu, Baoxiang Bian, Ziyan Song, Rutian Li, Qin Liu, Fenglei Wu
BACKGROUND/AIMS: MicroRNA-21 is an oncogenic miR (oncomiR) frequently elevated in gastric cancer (GC). Overexpression of miR-21 decreases the sensitivity of GC cells to 5-fluorouridine (5-Fu) and trastuzumab, a humanized monoclonal antibody targeting human epidermal growth factor receptor 2 (HER2). Receptor-mediated endocytosis plays a crucial role in the delivery of biotherapeutics including anti-miRNA oligonucleotides (AMOs). This study is a continuation of earlier findings involving poly(ε-caprolactone) (PCL)-poly (ethylene glycol) (PEG) nanoparticles (PEG-PCL NPs), which were coated with trastuzumab to target GC with HER2 receptor over-expression using anti-miRNA-21 (AMO-21) and 5-Fu...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29223113/comparisons-of-severity-classification-systems-for-oropharyngeal-dysfunction-in-children-with-cerebral-palsy-relations-with-other-functional-profiles
#5
Yu-Ra Goh, Ja Young Choi, Seon Ah Kim, Jieun Park, Eun Sook Park
This study aimed to investigate the relationships between various classification systems assessing the severity of oropharyngeal dysphagia and communication function and other functional profiles in children with cerebral palsy (CP). This is a prospective, cross-sectional, study in a university-affiliated, tertiary-care hospital. We recruited 151 children with CP (mean age 6.11 years, SD 3.42, range 3-18yr). The Eating and Drinking Ability Classification System (EDACS) and the dysphagia scales of Functional Oral Intake Scale (FOIS), Swallow Function Scales (SFS), and Food Intake Level Scale (FILS) were used...
December 6, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/29131477/a-risk-assessment-score-and-initial-high-sensitivity-troponin-combine-to-identify-low-risk-of-acute-myocardial-infarction-in-the-emergency-department
#6
John W Pickering, Dylan Flaws, Stephen W Smith, Jaimi Greenslade, Louise Cullen, William Parsonage, Edward Carlton, A Mark Richards, Richard Troughton, Christopher Pemberton, Peter M George, Martin P Than
OBJECTIVES: Early discharge of patients with presentations triggering assessment for possible acute coronary syndrome is safe when clinical assessment indicates low-risk, biomarkers are negative, and electrocardiograms (ECGs) are non-ischemic. We hypothesized that the Emergency Department Assessment of Chest Pain Score (EDACS) combined with a single measurement of high-sensitivity cardiac troponin (hs-cTn) could allow early discharge of a clinically meaningful proportion of patients. METHODS: We pooled data from 4 patient cohorts from New Zealand and Australia presenting to an ED with symptoms suggestive of ACS...
November 13, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29100283/circulating-microparticles-are-prognostic-biomarkers-in-advanced-non-small-cell-lung-cancer-patients
#7
Chin-Chou Wang, Chia-Cheng Tseng, Huang-Chih Chang, Kuo-Tung Huang, Wen-Feng Fang, Yu-Mu Chen, Cheng-Ta Yang, Chang-Chun Hsiao, Meng-Chih Lin, Chi-Kung Ho, Hon-Kan Yip
We investigated whether circulating microparticles (MPs) could serve as prognostic biomarkers in non-small cell lung cancer (NSCLC) patients. We enrolled 25 control subjects and 136 NSCLC patients categorized into disease-progression (DP, n=42) and disease-control (DC, n=94) groups. Flow cytometric analysis showed that levels of four types of circulating microparticles (EDAc-MPs, EDAp-MPs, PDAc-MPs and PDAp-MPs) were higher in the study patients than the control subjects (P < 0.04). DP patients showed poor initially performance status and more non-adenocarcinomas than DC patients...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29039902/calculated-decisions-emergency-department-assessment-of-chest-pain-score-edacs
#8
Graham Walker, Joseph Habboushe
No abstract text is available yet for this article.
October 9, 2017: Emergency Medicine Practice
https://www.readbyqxmd.com/read/28947026/manometry-optimized-positive-expiratory-pressure-mopep-in-excessive-dynamic-airway-collapse-edac
#9
Muhammad A Zafar, Aaron M Mulhall, William Eschenbacher, Ajay Kaul, Sadia Benzaquen, Ralph J Panos
BACKGROUND: Positive expiratory pressure(PEP) breathing modalities are commonly prescribed in obstructive lung diseases, however practical methods of airway pressures(AP) quantification for therapeutic efficacy are lacking. Excessive dynamic airway collapse(EDAC) is characterized by expiratory central airway collapse leading to dyspnea and poor quality of life(QoL), with limited therapeutic options. PURPOSE: To measure AP and exertional dyspnea in EDAC patients during normal breathing and with use of pursed-lip breathing(PLB), nasal PEP device(nPEP), and oral-PEP valve(oPEP) during rest and exercise using an Esophageal Manometer...
October 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28864718/assessment-of-the-2016-national-institute-for-health-and-care-excellence-high-sensitivity-troponin-rule-out-strategy
#10
Edward Watts Carlton, John William Pickering, Jaimi Greenslade, Louise Cullen, Martin Than, Jason Kendall, Richard Body, William A Parsonage, Ahmed Khattab, Kim Greaves
OBJECTIVE: We aimed to evaluate the limit of detection of high-sensitivity troponin (hs-cTn) and Thrombolysis In Myocardial Infarction (TIMI) score combination rule-out strategy suggested within the 2016 National Institute for Health and Care Excellence (NICE) Chest Pain of Recent Onset guidelines and establish the optimal TIMI score threshold for clinical use. METHODS: A pooled analysis of adult patients presenting to the emergency department with chest pain and a non-ischaemic ECG, recruited into six prospective studies, from Australia, New Zealand and the UK...
September 1, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28858628/a-novel-recombinant-vaccine-candidate-comprising-pbp2a-and-autolysin-against-methicillin-resistant-staphylococcus-aureus-confers-protection-in-the-experimental-mice
#11
Setareh Haghighat, Seyed Davar Siadat, Seyed Mehdi Rezayat Sorkhabadi, Abbas Akhavan Sepahi, Mehdi Mahdavi
The methicillin-resistant Staphylococcus aureus infection is a hot topic area in microbiology research. Here a novel vaccine candidate consisting of recombinant PBP2a and autolysin proteins were used. The proteins over expressed in E.coli BL21 (DE3) cells, and purified by the Ni-NTA affinity column and conjugated using EDAC and ADH as a linker and spacer, respectively. To investigate the immunogenicity and protective effects of recombinant proteins, 5 and 20μg of proteins in various formulations were subcutaneously injected in different groups...
November 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28766987/optical-verification-and-in-vitro-characterization-of-two-commercially-available-acoustic-bubble-counters-for-cardiopulmonary-bypass-systems
#12
Tim Segers, Marco C Stehouwer, Filip M J J de Somer, Bastian A de Mol, Michel Versluis
INTRODUCTION: Gaseous microemboli (GME) introduced during cardiac surgery are considered as a potential source of morbidity, which has driven the development of the first bubble counters. Two new generation bubble counters, introduced in the early 2000s, claim correct sizing and counting of GME. This in-vitro study aims to validate the accuracy of two bubble counters using monodisperse bubbles in a highly controlled setting at low GME concentrations. METHODS: Monodisperse GME with a radius of 43 µm were produced in a microfluidic chip...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28719866/cell-competition-in-mammals-novel-homeostatic-machinery-for-embryonic-development-and-cancer-prevention
#13
REVIEW
Takeshi Maruyama, Yasuyuki Fujita
In the multi-cellular community, cells with different properties often compete with each other for survival and space. This process is named cell competition and was originally discovered in Drosophila. Recent studies have revealed that comparable phenomena also occur in mammals under various physiological and pathological conditions. Within the epithelium, normal cells often recognize the presence of the neighboring transformed cells and actively eliminate them from the epithelium; a process termed EDAC (Epithelial Defense Against Cancer)...
October 2017: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/28712890/amburana-cearensis-seed-extract-protects-brain-mitochondria-from-oxidative-stress-and-cerebellar-cells-from-excitotoxicity-induced-by-glutamate
#14
Érica Patrícia Lima Pereira, Cleide Santos Souza, Jessika Amparo, Rafael Short Ferreira, Yanier Nuñez-Figueredo, Luzimar Gonzaga Fernandez, Paulo Roberto Ribeiro, Suzana Braga-de-Souza, Victor Diogenes Amaral da Silva, Silvia Lima Costa
ETHNOPHARMACOLOGICAL RELEVANCE: Amburana cearensis (Allemao) A.C.Sm. is a medicinal plant of the Brazilian Caatinga reported to present antioxidant and anti-inflammatory activity. This study aimed to evaluate the neuroprotective effect of the extracts obtained from the seeds of A. cearensis in primary cultures of cerebellar cells subjected to excitotoxicity induced by glutamate and brain mitochondria submitted to oxidative stress. MATERIALS: and methods: Primary cultures of cerebellar cells were treated with the ethanol (ETAC), hexane (EHAC), dichloromethane (EDAC) and ethyl acetate (EAAC) extracts of the seeds of A...
July 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28693328/eliminating-disparities-in-asthma-care-identifying-broad-challenges-in-quality-improvement
#15
Joseph P Anarella, Victoria L Wagner, Susan G McCauley, Jennifer B Mane, Patricia A Waniewski
Racial disparities in asthma care persist in New York State's Medicaid Program. African Americans with asthma experience higher rates of emergency department visits and inpatient hospitalizations, coupled with lower rates of long-term control medication use compared to other racial/ethnic groups. Within this context, and with funding from the Centers for Disease Control and Prevention, the New York State Department of Health designed and implemented the Eliminating Disparities in Asthma Care (EDAC) Collaborative to improve the quality of asthma care delivered in 7 provider sites located in Central Brooklyn, New York...
December 1, 2016: American Journal of Medical Quality: the Official Journal of the American College of Medical Quality
https://www.readbyqxmd.com/read/28620130/circulating-microparticles-are-prognostic-biomarkers-in-advanced-non-small-cell-lung-cancer-patients
#16
Chin-Chou Wang, Chia-Cheng Tseng, Huang-Chih Chang, Kuo-Tung Huang, Wen-Feng Fang, Yu-Mu Chen, Cheng-Ta Yang, Chang-Chun Hsiao, Meng-Chih Lin, Chi-Kung Ho, Hon-Kan Yip
We investigated whether circulating microparticles (MPs) could serve as prognostic biomarkers in non-small cell lung cancer (NSCLC) patients. We enrolled 25 control subjects and 136 NSCLC patients categorized into disease-progression (DP, n=42) and disease-control (DC, n=94) groups. Flow cytometric analysis showed that levels of four types of circulating microparticles (EDAc-MPs, EDAp-MPs, PDAc-MPs and PDAp-MPs) were higher in the study patients than the control subjects (P < 0.04). DP patients showed poor initially performance status and more non-adenocarcinomas than DC patients...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28597590/in-vitro-evaluation-of-pediatric-hollow-fiber-membrane-oxygenators-on-hemodynamic-performance-and-gaseous-microemboli-handling-an-international-multicenter-multidisciplinary-approach
#17
Shigang Wang, Luiz F Caneo, Marcelo B Jatene, Fábio B Jatene, Idagene A Cestari, Allen R Kunselman, Akif Ündar
The objective of this study was to compare the hemodynamic performances and gaseous microemboli (GME) handling ability of two pediatric oxygenators in a simulated pediatric cardiopulmonary bypass (CPB) model and the importance of adding an arterial filter in the circuit. The circuit consisted of a Braile Infant oxygenator or a Maquet Quadrox-I Pediatric oxygenator without integrated arterial filter (parallel arrangement), 1/4 in. ID tubing A-V loop, and a 12-Fr arterial cannula, primed with lactated Ringer's solution and packed red blood cells...
June 8, 2017: Artificial Organs
https://www.readbyqxmd.com/read/28557862/quantification-of-postmembrane-gaseous-microembolization-during-venoarterial-extracorporeal-membrane-oxygenation
#18
York Jiao, Keith E Gipson, Pramod Bonde, Abeel Mangi, Robert Hagberg, David J Rosinski, Jeffrey B Gross, Robert B Schonberger
Prolonged use of venoarterial extracorporeal membrane oxygenation (VA ECMO) may be complicated by end-organ dysfunction. Although gaseous microemboli (GME) are thought to damage end organs during cardiopulmonary bypass, patient exposures to GME have not been well characterized during VA ECMO. We therefore performed an observational study of GME in adult VA ECMO patients, with correlation to clinical events during routine patient care. After institutional review board (IRB) approval, we used two Doppler probes to detect GME noninvasively in extracorporeal membrane oxygenation (ECMO) circuits on four patients for 15 hours total while also recording patient care events...
May 23, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28549680/thiomers-impact-of-in-situ-cross-linkers-on-mucoadhesive-properties
#19
Hung Thanh Lam, Gintare Leonaviciute, Ožbej Zupančič, Andreas Bernkop-Schnürch
The aim of this study was to evaluate the impact of in situ cross-linkers on the gelling and mucoadhesive properties of thiomers. Polycarbophil-cysteine conjugate (PCP-cys) was synthesized by covalent attachment of l-cysteine to polycarbophil via amide bond formation mediated by 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (EDAC) and N-hydroxysuccinimide (NHS) whereas in situ cross-linkers (PAA-cys-MNA) were synthesized by the same bond formation between poly(acrylic acid) (PAA) of 2.1-, 6-, and 15kDa and 2-((2-amino-2-carboxyethyl)disulfanyl)nicotinic acid (cys-MNA) used as ligand...
August 30, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28441773/overview-of-four-functional-classification-systems-commonly-used-in-cerebral-palsy
#20
REVIEW
Andrea Paulson, Jilda Vargus-Adams
Cerebral palsy (CP) is the most common physical disability in childhood. CP comprises a heterogeneous group of disorders that can result in spasticity, dystonia, muscle contractures, weakness and coordination difficulty that ultimately affects the ability to control movements. Traditionally, CP has been classified using a combination of the motor type and the topographical distribution, as well as subjective severity level. Imprecise terms such as these tell very little about what a person is able to do functionally and can impair clear communication between providers...
April 24, 2017: Children
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