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https://www.readbyqxmd.com/read/29165616/work-system-assessment-to-facilitate-the-dissemination-of-a-quality-improvement-program-for-optimizing-blood-culture-use-a-case-study-using-a-human-factors-engineering-approach
#1
Anping Xie, Charlotte Z Woods-Hill, Anne F King, Heather Enos-Graves, Judy Ascenzi, Ayse P Gurses, Sybil A Klaus, James C Fackler, Aaron M Milstone
Background: Work system assessments can facilitate successful implementation of quality improvement programs. Using a human factors engineering approach, we conducted a work system assessment to facilitate the dissemination of a quality improvement program for optimizing blood culture use in pediatric intensive care units at 2 hospitals. Methods: Semistructured face-to-face interviews were conducted with clinicians from Johns Hopkins All Children's Hospital and University of Virginia Medical Center...
November 20, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/29164959/palmatine-attenuates-isoproterenol-induced-pathological-hypertrophy-via-selectively-inhibiting-hdac2-in-rats
#2
Yonggang Yuan, Wanzhong Peng, Yongxing Liu, Zesheng Xu
This study aimed to exploit the potential therapeutic value of palmatine in treatment of cardiac hypertrophy and the underlying molecular mechanism. Rat hypertrophy model was established by intraperitoneal isoproterenol (ISO) injection. The hypertrophy was evaluated with cardiac hypertrophic parameters, hemodynamic parameters, lipid profile, and non-specific cardiac markers. The animals were intraperitoneally administrated with either palmatine or vehicle. The relative expressions of ANP, BNP, HDAC2, HDAC5, KLF4, and INPP5F transcripts were determined by real-time polymerase chain reaction (PCR)...
November 1, 2017: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/29162289/apelin-apj-system-is-responsible-for-stress-induced-increase-in-atrial-natriuretic-peptide-expression-in-rat-heart
#3
Vecihe Nimet Izgut-Uysal, Nuray Acar, Ilknur Birsen, Filiz Ozcan, Ozlem Ozbey, Hakan Soylu, Sema Avci, Filiz Tepekoy, Gokhan Akkoyunlu, Gultekin Yucel, Ismail Ustunel
BACKGROUND: The cardiovascular system is a primary target of stress and stress is the most important etiologic factor in cardiovascular diseases. Stressors increase expressions of atrial natriuretic peptide (ANP) and apelin in cardiac tissue. AIM: The aim of the present study was to investigate whether stress-induced apelin has an effect on the expression of ANP in the right atrium of rat heart. METHODS: The rats were divided into the control, stress and F13A+stress groups...
October 31, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/29162152/the-peptidylglycine-%C3%AE-amidating-monooxygenase-pam-gene-rs13175330-a-g-polymorphism-is-associated-with-hypertension-in-a-korean-population
#4
Hye Jin Yoo, Minjoo Kim, Minkyung Kim, Jey Sook Chae, Sang-Hyun Lee, Jong Ho Lee
BACKGROUND: Peptidylglycine-α-amidating monooxygenase (PAM) may play a role in the secretion of atrial natriuretic peptide (ANP), which is a hormone involved in the maintenance of blood pressure (BP). The objective of the present study was to determine whether PAM is a novel candidate gene for hypertension (HTN). RESULTS: A total of 2153 Korean participants with normotension and HTN were included. Genotype data were obtained using the Korean Chip. The rs13175330 polymorphism of the PAM gene was selected from the ten single nucleotide polymorphisms (SNPs) most strongly associated with BP...
November 21, 2017: Human Genomics
https://www.readbyqxmd.com/read/29159668/new-pulmonary-hypertension-model-in-conscious-dogs-to-investigate-pulmonary-selectivity-of-acute-pharmacological-interventions
#5
Thomas Mondritzki, Philip Boehme, Lena Schramm, Julia Vogel, Ilka Mathar, Peter Ellinghaus, Peter Kolkhof, Erwin Bischoff, Jörg Hüser, Wilfried Dinh, Peter Sandner, Hubert Truebel
PURPOSE: Testing of investigational drugs in animal models is a critical step in drug development. Current models of pulmonary hypertension (PH) have limitations. The most relevant outcome parameters such as pulmonary artery pressure (PAP) are measured invasively which requires anesthesia of the animal. We developed a new canine PH model in which pulmonary vasodilators can be characterized in conscious dogs and lung selectivity can be assessed non-invasively. METHODS: Telemetry devices were implanted to measure relevant hemodynamic parameters in conscious dogs...
November 20, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/29141899/atypical-g-protein-%C3%AE-5-promotes-cardiac-oxidative-stress-apoptosis-and-fibrotic-remodeling-in-response-to-multiple-cancer-chemotherapeutics
#6
Biswanath Maity, Sreemoyee Chakraborti, Arnab Pramanick, Sudipta Saha, Somnath Singha Roy, Arnab Ray Chaudhuri, Madhusudan Das, Sujoy Ghosh, Adele Stewart
The clinical use of multiple classes of cancer chemotherapeutics is limited by irreversible, dose-dependent, and sometimes life-threatening cardiotoxicity. We report here that, though distinct in their mechanisms of action, doxorubicin, paclitaxel, and 5-FU all induce rapid and robust upregulation of atypical G protein Gβ5 in the myocardium, correlating with oxidative stress, myocyte apoptosis, and the accumulation of pro-inflammatory and pro-fibrotic cytokines. In ventricular cardiac myocytes (VCM), Gβ5 deficiency provided substantial protection against the cytotoxic actions of chemotherapeutics, including reductions in oxidative stress and simultaneous attenuation of ROS-dependent activation of the ATM and CaMKII pro-apoptotic signaling cascades...
November 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/29140729/gene-expression-and-gene-associations-during-the-development-of-heart-failure-with-preserved-ejection-fraction-in-the-dahl-salt-sensitive-model-of-hypertension
#7
Jeffrey Yim, Hyokeun Cho, Simon W Rabkin
Gene expression and associations were examined in a model of heart failure with preserved ejection fraction (HFpEF), a condition with minimal effective treatment. Genes with at least two studies showing significant changes in Dahl rat with heart failure were examined by meta-analysis. Significantly increased in expression were iNOS, p47phox, ADM, ANP, OPN, ACE, MCP-1, GP91PHOX, ICAM-1, TGF-β1, CTGF, ET-1, p22phox, ETB, BNP, ETA, MMP13, Col1a1, MMP2, TIMP1, Col3a1, Il-1β, β-MHC, ECE1, MMP14, AGT, and MMP9...
November 15, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29136776/dihydroartemisinin-inhibits-er-stress-mediated-mitochondrial-pathway-to-attenuate-hepatocyte-lipoapoptosis-via-blocking-the-activation-of-the-pi3k-akt-pathway
#8
Xingran Chen, Mianli Bian, Chenxi Zhang, Jun Kai, Zhen Yao, Huanhuan Jin, Chunfeng Lu, Jiangjuan Shao, Anping Chen, Feng Zhang, Shizhong Zheng
Alcoholic liver disease (ALD), characterized by accumulation of fatty acids in liver cells, is usually caused by Chronic alcohol consumption. Our previous study has identified that DA protects against alcoholic liver injury in alcohol-fed rats through alleviating hepatocyte steatosis. It has emerged that saturated fatty acids could provoke endoplasmic reticulum (ER) stress and apoptosis in hepatocytes. This study was aimed to explore the impact of DA on ALD and further elaborate the underlying mechanisms. Results demonstrated that DA attenuates alcoholic liver injury in mice...
November 7, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29136764/cardiac-apoptosis-induced-under-high-glucose-condition-involves-activation-of-igf2r-signaling-in-h9c2-cardiomyoblasts-and-streptozotocin-induced-diabetic-rat-hearts
#9
Chih-Chung Feng, Sudhir Pandey, Ching-Yuang Lin, Chia-Yao Shen, Ruey-Lin Chang, Tung-Ti Chang, Ray-Jade Chen, Vijaya Padma Viswanadha, Yueh-Min Lin, Chih-Yang Huang
The insulin-like growth factor type 2 receptor (IGF2R) overexpression has been implicated in heart disease progression. Unregulated IGF2R signaling triggers cardiac hypertrophy, apoptosis, and cardiomyopathies. The present study investigated the role of IGF2R in cardiomyocyte apoptosis under high glucose (HG) levels and in streptozotocin (STZ) induced diabetic rat hearts. We found that IGF2 and IGF2R protein expression were highly upregulated under high glucose condition in H9c2 cells as well as in STZ induced diabetic rat hearts...
November 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29125679/topical-tranexamic-acid-compared-with-anterior-nasal-packing-for-treatment-of-epistaxis-in-patients-taking-antiplatelet-drugs-randomized-controlled-trial
#10
Reza Zahed, Mohammad Hossain Mousavi Jazayeri, Asieh Naderi, Zeinab Naderpour, Morteza Saeedi
OBJECTIVE: We evaluated the efficacy of topical application of the injectable form of tranexamic acid (TXA) compared with anterior nasal packing (ANP) for the treatment of epistaxis in patients taking antiplatelet drugs (Aspirin, Clopidegrol or both) who presented to the emergency department (ED). METHODS: A randomized, parallel group clinical trial was conducted at 2 EDs. A total of 124 participants were randomized to receive topical TXA (500 mg in 5 ml) or ANP, 62 patients per group...
November 10, 2017: Academic Emergency Medicine: Official Journal of the Society for Academic Emergency Medicine
https://www.readbyqxmd.com/read/29119381/comparison-of-tenofovir-plasma-and-tissue-exposure-using-a-population-pharmacokinetic-model-and-bootstrap-a-simulation-study-from-observed-data
#11
Jon W Collins, J Heyward Hull, Julie B Dumond
Sparse tissue sampling with intensive plasma sampling creates a unique data analysis problem in determining drug exposure in clinically relevant tissues. Tissue exposure may govern drug efficacy, as many drugs exert their actions in tissues. We compared tissue area-under-the-curve (AUC) generated from bootstrapped noncompartmental analysis (NCA) methods and compartmental nonlinear mixed effect (NLME) modeling. A model of observed data after single-dose tenofovir disoproxil fumarate was used to simulate plasma and tissue concentrations for two destructive tissue sampling schemes...
December 2017: Journal of Pharmacokinetics and Pharmacodynamics
https://www.readbyqxmd.com/read/29117461/atrial-natriuretic-peptide-reduces-inflammation-and-enhances-apoptosis-in-rat-acute-pancreatitis
#12
Ana Clara Najenson, Ana Paula Courreges, Juan Carlos Perazzo, María Fernanda Rubio, Marcelo S Vatta, Liliana G Bianciotti
AIM: We previously reported that atrial natriuretic peptide (ANP) reduces serum amylase and intrapancreatic trypsinogen activation in the onset of acute pancreatitis whereas secretin increases them. In the present work, we sought to establish the effect of ANP and secretin on the inflammatory response and cell death in experimental acute pancreatitis. METHODS: The expression and activity of key inflammatory mediators and apoptosis were evaluated in the presence or absence of the atrial peptide, secretin or both in cerulein-induced acute pancreatitis in rats...
November 8, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/29115771/an-advanced-nurse-practitioner-service-for-neonates-children-and-young-people
#13
Robin Hyde
The NHS continues to face unprecedented demands and reform which necessitates a move away from traditional modes of delivery. Over the past ten years economic austerity, changes to legislation and professional career developments have led to healthcare service redesign and innovations in nursing roles, including the development of the advanced nurse practitioner (ANP) role. This article explores how one organisation created an ANP service for out-of-hours neonatal and paediatric care in a district general hospital setting...
October 10, 2017: Nursing Children and Young People
https://www.readbyqxmd.com/read/29113243/differential-gene-expression-analysis-in-glioblastoma-cells-and-normal-human-brain-cells-based-on-geo-database
#14
Anping Wang, Guibin Zhang
The differentially expressed genes between glioblastoma (GBM) cells and normal human brain cells were investigated to performed pathway analysis and protein interaction network analysis for the differentially expressed genes. GSE12657 and GSE42656 gene chips, which contain gene expression profile of GBM were obtained from Gene Expression Omniub (GEO) database of National Center for Biotechnology Information (NCBI). The 'limma' data packet in 'R' software was used to analyze the differentially expressed genes in the two gene chips, and gene integration was performed using 'RobustRankAggreg' package...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29108295/relationship-of-polymorphisms-and-haplotype-in-interleukin-16-and-adiponectin-gene-with-late-onset-alzheimer-s-disease-risk
#15
Honglei Yin, Yuzhen Zhang, Linlin Hua, Jinfeng Li, Zhilei Zeng, Xiaopeng Yang, Bin Gong, Shuang Geng, Yajun Liu, Hui Zhang, Yanqiu Liu, Jing Zhao, Yunliang Wang
Aims: To investigate the impact of Interleukin-16 (IL- 16) and Adiponectin (ANP) gene single nucleotide polymorphisms (SNPs), gene- gene interactions and haplotype on late-onset Alzheimer's disease (LOAD) risk. Methods: Hardy-Weinberg equilibrium (HWE), haplotype and pairwise linkage disequilibrium (LD) analysis were investigated by using SNPstats (available online at http://bioinfo.iconcologia.net/SNPstats). Generalized multifactor dimensionality reduction (GMDR) was used to examine interaction among 4 SNPs, odds ratio (OR) and 95% confident interval (95%CI) were calculated by logistic regression model...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29107011/moving-standard-deviation-and-moving-sum-of-outliers-as-quality-tools-for-monitoring-analytical-precision
#16
Jiakai Liu, Chin Hon Tan, Tony Badrick, Tze Ping Loh
INTRODUCTION: An increase in analytical imprecision (expressed as CVa) can introduce additional variability (i.e. noise) to the patient results, which poses a challenge to the optimal management of patients. Relatively little work has been done to address the need for continuous monitoring of analytical imprecision. METHODS: Through numerical simulations, we describe the use of moving standard deviation (MovSD) and a recently described moving sum of outlier (movSO) patient results as means for detecting increased analytical imprecision, and compare their performances against internal quality control (QC) and the average of normal (AoN) approaches...
October 26, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/29101624/genistein-attenuates-pathological-cardiac-hypertrophy-in-vivo-and-in-vitro
#17
Y Meng, Y Zhang, Z Ma, H Zhou, J Ni, H Liao, Q Tang
BACKGROUND: We investigated the effects and underlying mechanisms of genistein on pathological cardiac hypertrophy in vivo and in vitro. MATERIALS AND METHODS: A cardiac hypertrophy model was developed by aortic banding (AB). C57/BL6 mice were randomly assigned to sham + vehicle (CON), sham + genistein (GEN), AB + vehicle (AB), and AB + genistein groups. Genistein (40 mg/kg/day) was administered by gavage for 7 weeks. After assessing the echocardiographic and hemodynamic parameters, mouse hearts were harvested for histopathological and molecular biological analysis...
November 3, 2017: Herz
https://www.readbyqxmd.com/read/29098120/effects-of-atrial-natriuretic-peptide-on-p53-and-estrogen-receptor-in-breast-cancer-cells
#18
Katie Aleck, Kelly Hallman, Meghan Quigley, Victoria Lloyd, Monica Szmyd, Dana Ruskin, Tyler Bedgood, Sumi Dinda
The atrial natriuretic peptide (ANP) hormone is secreted by cardiac atrial myocytes and acts to regulate blood pressure homeostasis in humans. Previous research indicates ANP treatment significantly decreases the proliferation of human prostate cancer cells, pancreatic adenocarcinoma, and breast cancer cells. Minimal studies have been conducted with regard to ANP regulating tumor suppressor genes and steroid hormone receptors in breast cancer cells. Our study analyzed the effects of ANP in combination with 17β-estradiol (E2) and antiestrogen treatments on p53 and ERα levels in T-47D breast cancer cells...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/29096364/an-ultrasensitive-electrochemiluminescent-immunosensor-based-on-graphene-oxide-coupled-graphite-like-carbon-nitride-and-multiwalled-carbon-nanotubes-gold-for-the-detection-of-diclofenac
#19
Liuyi Hu, Jing Zheng, Kang Zhao, Anping Deng, Jianguo Li
In this study, a novel competition-type electrochemiluminescent (ECL) immunosensor for detecting diclofenac (DCF) was fabricated with graphene oxide coupled graphite-like carbon nitride (GO-g-C3N4) as signal probe for the first time. The ECL intensity of carboxylated g-C3N4 was significantly enhanced after being combined with graphene oxide (GO) which exhibited excellent charge-transport property. The sensing platform was constructed by multiwalled carbon nanotubes and gold nanoparticles (MWCNTs-AuNPs), which not only provided an effective matrix for immobilizing a large amount of coating antigen but also facilitated the electronic transmission rate to enhance the ECL intensity...
October 19, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29091883/lipophagy-and-liver-disease-new-perspectives-to-better-understanding-and-therapy
#20
REVIEW
Zili Zhang, Zhen Yao, Yifan Chen, Lei Qian, Shuoyi Jiang, Jingyi Zhou, Jiangjuan Shao, Anping Chen, Feng Zhang, Shizhong Zheng
Intracellular lipid droplets (LDs) are remarkably dynamic and complex organelles that enact regulated storage and release of lipids to fulfil their fundamental roles in energy metabolism, membrane synthesis and provision of lipid-derived signaling molecules. The recent finding that LDs can be selectively degraded by the lysosomal pathway of autophagy through a process termed lipophagy has opened up a new understanding of how lipid metabolism regulates cellular physiology and pathophysiology. Many new functions for autophagic lipid metabolism have now been defined in various diseases including liver disease...
October 26, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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