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https://www.readbyqxmd.com/read/28328525/moving-sum-of-number-of-positive-patient-result-as-a-quality-control-tool
#1
Jiakai Liu, Chin Hon Tan, Tony Badrick, Tze Ping Loh
BACKGROUND: Recently, the total prostate-specific antigen (PSA) assay used in a laboratory had a positive bias of 0.03 μg/L, which went undetected. Consequently, a number of post-prostatectomy patients with previously undetectable PSA concentrations (defined as <0.03 μg/L in that laboratory) were being reported as having detectable PSA, which suggested poorer prognosis according to clinical guidelines. METHODS: Through numerical simulations, we explored (1) how a small bias may evade the detection of routine quality control (QC) procedures with specific reference to the concentration of the QC material, (2) whether the use of 'average of normals' approach may detect such a small bias, and (3) describe the use of moving sum of number of patient results with detectable PSA as an adjunct QC procedure...
March 22, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28327369/plasma-proanp1-98-levels-are-positively-associated-with-central-obesity-a-cross-sectional-study-in-a-general-population-of-china
#2
Zhengbao Zhu, Qiu Zhang, Hao Peng, Chongke Zhong, Yan Liu, Xinfeng Huangfu, Yunfan Tian, Xiangqin Chao, Aili Wang, Jianhua Jin, Yonghong Zhang
BACKGROUND: Atrial natriuretic peptide (ANP) and its prohormone activating enzyme are associated with central obesity, suggesting there may be a potential relationship between proANP1-98 and central obesity. However, the association is still lack of population-based evidence. We explored the association in a general population of China. METHODS: We measured plasma proANP1-98, waist circumference and other traditional biomarkers in 2203 participants aged≥30y. Multivariate logistic regression models were used to determine the association between plasma proANP1-98 and central obesity, and odds ratio (OR) and 95% confidence interval (CI) were calculated...
March 18, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28316060/hotair-functions-as-a-competing-endogenous-rna-to-regulate-pten-expression-by-inhibiting-mir-19-in-cardiac-hypertrophy
#3
Yanjun Lai, Shuai He, Liming Ma, Hong Lin, Biyun Ren, Jing Ma, Xinyu Zhu, Shifang Zhuang
Sustained cardiac hypertrophy (CH) is related to a variety of physiological as well as pathological stimuli and eventually increases the risk of heart failure. HOTAIR has been identified as a competing endogenous RNA in multiple human biological processes. Whether lncRNA-HOTAIR is involved in the progress of CH and how it works still remain unknown. Herein, we found that HOTAIR was down-regulated, while miR-19 was up-regulated in both heart tissues from TAC-operated mice in vivo and cultural cardiomyocytes treated with Ang-II in vitro by real-time PCR...
March 18, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28304151/cardiac-cell-proliferation-is-not-necessary-for-exercise-induced-cardiac-growth-but-required-for-its-protection-against-ischaemia-reperfusion-injury
#4
Yihua Bei, Siyi Fu, Xiangming Chen, Mei Chen, Qiulian Zhou, Pujiao Yu, Jianhua Yao, Hongbao Wang, Lin Che, Jiahong Xu, Junjie Xiao
The adult heart retains a limited ability to regenerate in response to injury. Although exercise can reduce cardiac ischaemia/reperfusion (I/R) injury, the relative contribution of cardiac cell proliferation including newly formed cardiomyocytes remains unclear. A 4-week swimming murine model was utilized to induce cardiac physiological growth. Simultaneously, the antineoplastic agent 5-fluorouracil (5-FU), which acts during the S phase of the cell cycle, was given to mice via intraperitoneal injections. Using EdU and Ki-67 immunolabelling, we showed that exercise-induced cardiac cell proliferation was blunted by 5-FU...
March 17, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28303169/diallyl-trisulfide-suppresses-oxidative-stress-induced-activation-of-hepatic-stellate-cells-through-production-of-hydrogen-sulfide
#5
Feng Zhang, Huanhuan Jin, Li Wu, Jiangjuan Shao, Xiaojing Zhu, Anping Chen, Shizhong Zheng
Accumulating data reveal that garlic has beneficial effects against chronic liver disease. We previously reported that diallyl trisulfide (DATS), the primary organosulfur compound in garlic, reduced fibrosis and attenuated oxidative stress in rat fibrotic liver. The present study was aimed at elucidating the underlying mechanisms. The primary rat hepatic stellate cells (HSCs) were cultured and stimulated with hydrogen peroxide (H2O2) for inducing HSC activation under oxidative stress. We examined the effects of DATS on the profibrogenic properties and oxidative stress in H2O2-treated HSCs...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28288148/natriuretic-peptide-c-receptor-in-the-developing-sheep-lung-role-in-perinatal-transition
#6
Bobby Mathew, Christopher A D'Angelis, Satyan Lakshminrusimha, Peter A Nickerson, June J Sokolowski, Vasantha H S Kumar, Huamei Wang, Karen A Wynn, Bruce A Holm, Rita M Ryan
BACKGROUND: At birth, the release of surfactant from Alveolar Type II (ATII) cells is stimulated by increased activity of the beta-adrenergic/adenylyl cyclase/cAMP- signaling cascade. Atrial natriuretic peptide (ANP) stimulates surfactant secretion through Natriuretic peptide receptor A (NPR-A). ANP inhibits adenylyl cyclase activity through its binding to NPR-C. We wished to further understand the role of the NPR-C in perinatal transition. METHODS: We studied fetal and newborn sheep ATII expression of NPR-C and surfactant secretion in isolated ATIIs by measuring (3)[H] choline release into the media...
March 13, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28287887/a-comprehensive-review-of-an-unmet-public-health-issue-resistant-hypertension
#7
Anping Cai, Yingqing Feng, Yingling Zhou
Resistant hypertension is an intractable problem to patients and physicians. In recent decades, a substantial amount of basic and epidemiological studies provide us a vast number of valuable evidence and information about this once elusive disease. Better understanding about this entity could help physicians improve diagnostic and therapeutic accuracy. In present review, therefore, we first will detail the definition and diagnosis of resistant hypertension between cardiology societies, and followed by the information of prevalence of resistant hypertension around the world, and then briefly discuss currently used different nomenclature of resistant hypertension, and finally present diagnostic and therapeutic strategies of resistant hypertension...
2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28287884/circulating-mirna29-family-expression-levels-in-patients-with-essential-hypertension-as-potential-markers-for-left-ventricular-hypertrophy
#8
Yuqing Huang, Songtao Tang, Cheng Huang, Jiyan Chen, Jie Li, Anping Cai, Yingqing Feng
OBJECTIVES: The role of microRNAs (miRs,miRNAs) in the pathogenesis of cardiovascular diseases such as hypertension, as well as their diagnostic potential, has recently attracted much attention. However, target-organ damage (TOD) of hypertension remains a substantial challenge due to the lack of specific biomarkers. The present study was undertaken to identify and validate the potential of circulating miRs as novel biomarkers for TOD. METHODS: We assessed the expression levels of miR-29a, miR-29b, and miR-29c in 54 patients with untreated essential hypertension and 30 healthy individuals...
2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28282116/a-synergistic-strategy-to-enhance-the-thermoelectric-properties-of-cosbs1-xsex-compounds-via-solid-solution
#9
Wei Yao, Dingfeng Yang, Yanci Yan, Kunling Peng, Heng Zhan, Anping LIu, Xu Lu, Guoyu Wang, Xiaoyuan Zhou
High thermal conductivity of CoSbS-based limited its own prospect application in thermoelectric energy conversion. Solid solution is an effective approach to optimize the performance of thermoelectric materials with high lattice thermal conductivity because of the enhanced phonons scattering from disorder atoms. In this paper, we have synthesized and measured the thermoelectric properties of solid solution CoSbS1-xSex (x=0, 0.05, 0.10, 0.15, 0.20, 0.30) series samples. The collaborative optimization (enhancing the power factors and reducing the thermal conductivities) to add zT values were realized via substitution of S atoms with the isoelectronic Se atoms in the matrix...
March 10, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28279099/advanced-nurse-practitioners-may-not-meet-college-criteria
#10
Stephanie Jones-Berry
Not all advanced nurse practitioners (ANPs) will meet requirements for accreditation under a new RCN scheme, according to the project lead.
March 10, 2017: Emergency Nurse: the Journal of the RCN Accident and Emergency Nursing Association
https://www.readbyqxmd.com/read/28275223/evaluation-of-eight-biomarkers-to-predict-short-term-mortality-in-patients-with-acute-severe-dyspnea
#11
Claire Ara-Somohano, Agnès Bonadona, Francoise Carpentier, Patricia Pavese, Aurélien Vesin, Rebecca Hamidfar-Roy, Clémence Minet, Gerald Vanzetto, Carole Schwebel, Jean F Timsit
BACKGROUND: Being able to better predict risk and optimal care for patients presenting with acute dyspnea is critical. Prognostic biomarkers are well known: amino-terminal pro-Btype Natriuretic Peptide, troponin, C-reactive protein, procalcitonin. Some were more recently developed: mid-regional pro-A-type natriuretic peptide (Mid Pro-ANP), mid-regional-proadrenomedullin (MR-proADM), pro-endothelin, copeptin. The aim of the paper was to evaluate prognostic value of clinical findings and 8 biomarkers in patients with severe acute dyspnea...
March 8, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28262549/effect-of-pancreatic-hormones-on-pro-atrial-natriuretic-peptide-in-humans
#12
Nora E Zois, Dijana Terzic, Kristine Færch, Peter Plomgaard, Jakob S Hansen, Peter Rossing, Jens P Goetze
Plasma concentrations of pro-Atrial natriuretic peptide, proANP, are decreased in obesity and diabetes. Decreased proANP concentrations have also been noted after meal intake, and recently, a glucose-mediated regulation of ANP gene expression was reported. Hence, we evaluated the effects of insulin, glucagon and glucose on plasma proANP in a series of observational and experimental studies. Six healthy men underwent seven days of bed rest. Before and after the bed rest, hyperinsulinemic euglycemic clamps with serial plasma measurements of proANP were performed...
March 1, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28259654/lox-1-promotes-right-ventricular-hypertrophy-in-hypoxia-exposed-rats
#13
Tian-Tian Zhu, Wei-Fang Zhang, Ping Luo, Zhao-Xin Qian, Feng Li, Zheng Zhang, Chang-Ping Hu
AIM: Chronic hypoxia leads to right ventricular hypertrophy (RVH). RVH is believed to result from hypoxia-induced pulmonary hypertension. However, if hypoxia impacts RVH directly awaits clarification. Hypoxia triggers oxidative stress, and lectin-like oxidized low-density lipoprotein receptor-1 (LOX-1) mediates reactive oxygen species (ROS) generation in different cells. Therefore, this study aims to explore whether LOX-1-mediated oxidative stress accounts for hypoxia-induced RVH. MAIN METHODS: Rats developed RVH after 3weeks of hypoxia (10% O2)...
March 1, 2017: Life Sciences
https://www.readbyqxmd.com/read/28252040/plasma-levels-of-natriuretic-peptides-and-year-by-year-blood-pressure-variability-a-population-based-study
#14
J Kato, Y Kawagoe, D Jiang, K Kuwasako, S Shimamoto, K Igarashi, M Tokashiki, K Kitamura
Augmented blood pressure (BP) variability over various time periods has been recognized as a risk factor for cardiovascular diseases. Both atrial and B-type natriuretic peptides (ANP and BNP) are secreted in response to volume or pressure overload to the heart, exerting natriuretic and vasodilator actions. In this study, we examined the relationships between year-by-year BP variability and plasma levels of ANP and BNP in the general population. Study subjects were local residents receiving an annual heath checkup, who had an estimated glomerular filtration rate of >30 ml min(-1) per 1...
March 2, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/28248529/neuronal-circuits-involved-in-osmotic-challenges
#15
M C Dos Santos Moreira, L M Naves, S M Marques, E F Silva, E Colombari, G R Pedrino
The maintenance of plasma sodium concentration within a narrow limit is crucial to life. When it differs from normal physiological patterns, several mechanisms are activated in order to restore body fluid homeostasis. Such mechanisms may be vegetative and/or behavioral, and several regions of the central nervous system (CNS) are involved in their triggering. Some of these are responsible for sensory pathways that perceive a disturbance of the body fluid homeostasis and transmit information to other regions...
February 28, 2017: Physiological Research
https://www.readbyqxmd.com/read/28240087/accrediting-advanced-practice-who-will-benefit
#16
(no author information available yet)
Last month I attended the 2017 RCN advanced nurse practitioner (ANP) conference in London. The title of the conference referred to 'moving the agenda forward' and there were many examples of ANPs pioneering developments in emergency care, primary care, acute medicine, mental health and other services.
February 27, 2017: Nursing Management (Harrow)
https://www.readbyqxmd.com/read/28240076/advanced-nurse-practitioners-may-not-meet-college-criteria
#17
Stephanie Jones-Berry
Not all advanced nurse practitioners (ANPs) will meet requirements for accreditation under a new RCN scheme, according to the project lead.
February 27, 2017: Nursing Management (Harrow)
https://www.readbyqxmd.com/read/28229930/atrial-natriuretic-peptide-a-novel-mediator-for-tgf-%C3%AE-1-induced-epithelial-mesenchymal-transition-in-16hbe-14o-and-a549-cells
#18
Shuyuan Chu, Xiufeng Zhang, Yabing Sun, Yuanyuan Yu, Yaxi Liang, Ming Jiang, Jianwei Huang, Libing Ma
Atrial natriuretic peptide (ANP) is increasingly expressed on airway and inhibits pulmonary arterial remodeling. However, the role of ANP in remodeling of respiratory system is still unclear. The role of ANP on airway remodeling and the possible mechanism was explored in this study. Both human bronchial epithelial 16HBE-14o cells and alveolar epithelial A549 cells were stimulated by TGF-β1, ANP, cGMP inhibitor, PKG inhibitor, and cGMP analogue. The expressions of epithelial markers, mesenchymal markers, and Smad3 were assessed by quantitative real-time PCR and western blotting...
February 13, 2017: Peptides
https://www.readbyqxmd.com/read/28224829/moving-closer-to-gaining-formal-recognition
#19
Lynne Pearce
Although nurses in the UK have been working at an advanced level of practice since the mid-1980s, the role has never been regulated, with neither a separate registry nor a recordable qualification. But change is around the corner, with the RCN preparing a programme offering accreditation for advanced nurse practitioners (ANPs).
February 22, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28209811/genome-sequencing-and-analysis-of-the-postharvest-fungus-penicillium-expansum-r21
#20
Guohua Yin, Yuliang Zhang, Sui Sheng T Hua, Jiujiang Yu, Lijing Bu, Kayla K Pennerman, Qixing Huang, Anping Guo, Joan W Bennett
Blue mold is the vernacular name of a common postharvest disease of stored apples, pears, and quince that is caused by several common species of Penicillium This study reports the draft genome sequence of Penicillium expansum strain R21, which was isolated from a red delicious apple in 2011 in Pennsylvania.
February 16, 2017: Genome Announcements
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