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https://www.readbyqxmd.com/read/28539827/traditional-chinese-medication-qiliqiangxin-protects-against-cardiac-remodeling-and-dysfunction-in-spontaneously-hypertensive-rats
#1
Hui Wang, Xiaomin Zhang, Pujiao Yu, Qiulian Zhou, Jialiang Zhang, Haifeng Zhang, Hongsheng Zhu, Chenlin Zhang, Wenming Yao, Lin Che, Jiahong Xu, Yihua Bei, Xinli Li
Qiliqiangxin (QLQX), a traditional Chinese herbs medication, exerted protective effect in chronic heart failure patients in a multicenter randomized double-blind study. QLQX has also been found to improve cardiac function and reduce cardiac fibrosis in spontaneously hypertension animal model. However, the effect of longterm treatment with QLQX in such a condition and the related molecular mechanisms remain largely unknown. In the present study, thirteen-week-old spontaneously hypertensive rats (SHRs) were treated by daily intragastric administration of QLQX or saline for one year...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28535942/gallic-acid-increases-atrial-natriuretic-peptide-secretion-and-mechanical-dynamics-through-activation-of-pkc
#2
Xia Liu, Ying Zhang, Lan Hong, Chun-Ji Han, Bo Zhang, Shuai Zhou, Cheng-Zhe Wu, Li-Ping Liu, Xun Cui
AIMS: Gallic acid (GA) protects against myocardial ischemia-reperfusion (I/R) injury, prevents cardiac hypertrophy and fibrosis, and has anti-inflammatory activity in the heart. However, its effects in regulating atrial natriuretic peptide (ANP) secretion are unknown. The aim of this study was to determine the function of GA in regulating ANP secretion and atrial dynamics in rat atria. KEY FINDINGS: GA (0.01, 0.05, and 0.1μmol/L) significantly increased atrial ANP secretion and induced positive inotropy dose-dependently...
May 20, 2017: Life Sciences
https://www.readbyqxmd.com/read/28522995/dysbiosis-of-intestinal-microbiota-and-decreased-antimicrobial-peptide-level-in-paneth-cells-during-hypertriglyceridemia-related-acute-necrotizing-pancreatitis-in-rats
#3
Chunlan Huang, Jing Chen, Jingjing Wang, Hui Zhou, Yingying Lu, Lihong Lou, Junyuan Zheng, Ling Tian, Xingpeng Wang, Zhongwei Cao, Yue Zeng
Hypertriglyceridemia (HTG) aggravates the course of acute pancreatitis (AP). Intestinal barrier dysfunction is implicated in the pathogenesis of AP during which dysbiosis of intestinal microbiota contributes to the dysfunction in intestinal barrier. However, few studies focus on the changes in intestine during HTG-related acute necrotizing pancreatitis (ANP). Here, we investigated the changes in intestinal microbiota and Paneth cell antimicrobial peptides (AMPs) in HTG-related ANP (HANP) in rats. Rats fed a high-fat diet to induce HTG and ANP was induced by retrograde injection of 3...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28522343/exogenous-cathepsin-v-protein-protects-human-cardiomyocytes-hcm-from-angiotensin-%C3%A2-induced-hypertrophy
#4
Kun Huang, Lu Gao, Ming Yang, Jiliang Wang, Zheng Wang, Lin Wang, Guobin Wang, Huili Li
Angiotensin (Ang) Ⅱ-induced cardiac hypertrophy can deteriorate to heart failure, a leading cause of mortality. Endogenous Cathepsin V (CTSV) has been reported to be cardioprotective against hypertrophy. However, little is known about the effect of exogenous CTSV on cardiac hypertrophy. We used the human cardiomyocytes HCM as a cell model to investigate the effects of exogenous CTSV on Ang Ⅱ-induced cardiac cell hypertrophy. Cell surface area and expression of classical markers of hypertrophy were analyzed...
May 15, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28514645/oleanolic-acid-modulates-the-renin-angiotensin-system-and-cardiac-natriuretic-hormone-concomitantly-with-volume-and-pressure-balance-in-rats
#5
You Mee Ahn, Yoon Hee Choi, Jung Joo Yoon, Yun Jung Lee, Kyung Woo Cho, Dae Gill Kang, Ho Sub Lee
Oleanolic acid is known to possess beneficial effects on the regulation of the cardiovascular homeostasis. However, the exact nature of the role of oleanolic acid on the regulation of body fluid balance and blood pressure homeostasis and its mechanisms involved are not well defined. Experiments were performed to identify the effects of oleanolic acid on the renin-angiotensin system and cardiac natriuretic hormone (ANP) system, and also renal function and blood pressure in normotensive and renovascular hypertensive rats...
May 14, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28507570/scai-atrial-natriuretic-peptide-gene-polymorphisms-and-their-possible-association-with-postoperative-atrial-fibrillation-a-preliminary-report
#6
Janusz Siebert, Łukasz Lewicki, Jolanta Myśliwska, Monika Młotkowska, Jan Rogowski
INTRODUCTION: Atrial fibrillation (AF) is a frequently encountered complication after coronary artery bypass grafting (CABG), but its underlying mechanisms are still unclear. The natriuretic peptides have been reported as markers for predicting the occurrence of postoperative AF. This study evaluates whether the ScaI ANP gene polymorphisms predict the occurrence of postoperative AF. MATERIAL AND METHODS: A prospective study of 203 consecutive patients with coronary artery disease undergoing elective CABG was undertaken for atrial natriuretic peptide (ANP) ScaI gene polymorphism...
April 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28507173/resistant-hypertension-an-update-of-experimental-and-clinical-findings
#7
REVIEW
Anping Cai, David A Calhoun
No abstract text is available yet for this article.
May 15, 2017: Hypertension
https://www.readbyqxmd.com/read/28506928/distinct-phosphodiesterase-5a-containing-compartments-allow-selective-regulation-of-cgmp-dependent-signalling-in-human-arterial-smooth-muscle-cells
#8
Lindsay S Wilson, Manhong Guo, M Bibiana Umana, Donald H Maurice
Cyclic GMP (cGMP) translates and integrates much of the information encoded by nitric oxide (NO(·)) and several natriuretic peptides, including the atrial natriuretic peptide (ANP). Previously, we reported that integration of a cGMP-specific cyclic nucleotide phosphodiesterase, namely phosphodiesterase 5A (PDE5A), into a protein kinase G (PKG)- and inositol-1,4,5-trisphosphate receptor (IP3R)-containing endoplasmic reticulum (ER) signalosome allows localized control of PDE5A activity and of PKG-dependent inhibition of IP3-mediated release of ER Ca(2+) in human platelets...
May 12, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28500689/blockade-of-hedgehog-pathway-is-required-for-the-protective-effects-of-magnesium-isoglycyrrhizinate-against-ethanol-induced-hepatocyte-steatosis-and-apoptosis
#9
Chunfeng Lu, Wenxuan Xu, Jiangjuan Shao, Feng Zhang, Anping Chen, Shizhong Zheng
Alcoholic liver disease (ALD), characterized by excessive deposition of lipids in hepatocytes, causes heavy health burden personally and socially. Mechanistically, hedgehog signaling was activated during the development of ALD, and exerted compelling role in regulating lipometabolism. The current promising intervention strategy is inhibition of lipid accumulation and apoptosis in hepatocytes. Magnesium isoglycyrrhizinate (MgIG) has been widely used in various liver diseases for its good hepatoprotective activities...
May 12, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28498864/green-material-selection-for-sustainability-a-hybrid-mcdm-approach
#10
Honghao Zhang, Yong Peng, Guangdong Tian, Danqi Wang, Pengpeng Xie
Green material selection is a crucial step for the material industry to comprehensively improve material properties and promote sustainable development. However, because of the subjectivity and conflicting evaluation criteria in its process, green material selection, as a multi-criteria decision making (MCDM) problem, has been a widespread concern to the relevant experts. Thus, this study proposes a hybrid MCDM approach that combines decision making and evaluation laboratory (DEMATEL), analytical network process (ANP), grey relational analysis (GRA) and technique for order performance by similarity to ideal solution (TOPSIS) to select the optimal green material for sustainability based on the product's needs...
2017: PloS One
https://www.readbyqxmd.com/read/28497617/association-of-npr3-polymorphism-with-risk-of-essential-hypertension-in-a-chinese-population
#11
D-B Kuang, J-P Zhou, M-P Li, J Tang, X-P Chen
WHAT IS KNOWN AND OBJECTIVE: Essential hypertension (EH) is a common disease exhibiting large individual difference in occurrence, development and treatment response. Genetic factors are implicated in the development and progression of EH. This study aimed to explore the association between NPR3 single nucleotide polymorphism rs2270915 (A/G, Asn521Asp) and the risk of EH in a Chinese Han population by a case-control study. METHODS: The study was a single-centre, case-control trial, in which a total of 287 EH patients and 289 age- and sex-matched healthy controls were enrolled...
May 11, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28497371/sestrin-2-attenuates-neonatal-rat-cardiomyocyte-hypertrophy-induced-by-phenylephrine-via-inhibiting-erk1-2
#12
Bin Dong, Ruicong Xue, Yu Sun, Yugang Dong, Chen Liu
Cardiac hypertrophy is an adaptive response triggered by many physiological and pathological conditions and will lead to heart failure eventually. Sestrin 2, which is a stress-responsive protein, was reported to protect heart from ischemia reperfusion injury. However, the role of Sestrin 2 in cardiac hypertrophy remains unknown. In our present study, we aimed to explore the effects of Sestrin 2 on cardiomyocyte hypertrophy. We found that knockdown of Sestrin 2 protein aggravated cardiomyocyte hypertrophy induced by phenylephrine (PE), featured by increased hypertrophic marker ANP and cell surface area...
May 11, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28484976/the-evaluation-model-of-the-enterprise-energy-efficiency-based-on-dpsr
#13
Jin-Yu Wei, Xiao-Yu Zhao, Xue-Shan Sun
The reasonable evaluation of the enterprise energy efficiency is an important work in order to reduce the energy consumption. In this paper, an effective energy efficiency evaluation index system is proposed based on DPSR (Driving forces-Pressure-State-Response) with the consideration of the actual situation of enterprises. This index system which covers multi-dimensional indexes of the enterprise energy efficiency can reveal the complete causal chain which includes the "driver forces" and "pressure" of the enterprise energy efficiency "state" caused by the internal and external environment, and the ultimate enterprise energy-saving "response" measures...
May 8, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28478801/involvement-of-trpc1-in-nampt-induced-cardiomyocyte-hypertrophy-through-the-activation-of-er-stress
#14
J Li, W Wu, M Zhao, X Liu
Nicotinamide phosphoribosyltransferase (Nampt) is involved in the development of cardiac hypertrophy. Transient receptor potential canonical channel 1 (TRPC1) and endoplasmic reticulum stress (ER stress) are regarded as critical pathways in cardiac hypertrophy. Therefore, we hypothesizedthat TRPC1 might be associated with ER stress in Nampt-induced cardiac hypertrophy. CulturedH9c2cardiomyocyteswereexposed to Namptfor different timesand the expression of markers of cardiomyocyte hypertrophy and ER stress, as well as TRPC1 were detected...
April 29, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28478799/role-of-microrna-124-in-cardiomyocyte-hypertrophy-inducedby-angiotensin-ii
#15
Q Bao, L Chen, J Li, M Zhao, S Wu, W Wu, X Liu
Cardiac hypertrophy is a crucial predictor of heart failure and is regulated by microRNAs. MicroRNA-124 (miR-124) is regarded as a prognostic indicator for outcomes after cardiac arrest. However, whether miR-124 participates in cardiac hypertrophy remains unclear. Therefore, our study aimed to determine the role of miR-124 in angiotensin II(AngII)-induced myocardial hypertrophy and the possible mechanism. Primary cultured rat neonatal cardiomyocytes(NCMs) were transfected with miR-124 mimics or inhibitor, followed by AngII stimulation...
April 29, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28461771/peroxisome-proliferator-activated-receptor-%C3%AE-is-essential-for-secretion-of-anp-induced-by-prostaglandin-d2-in-the-beating-rat-atrium
#16
Ying Zhang, Xiang Li, Li-Ping Liu, Lan Hong, Xia Liu, Bo Zhang, Cheng-Zhe Wu, Xun Cui
Prostaglandin D2 (PGD2) may act against myocardial ischemia-reperfusion (I/R) injury and play an anti-inflammatory role in the heart. Although the effect of PGD2 in regulation of ANP secretion of the atrium was reported, the mechanisms involved are not clearly identified. The aim of the present study was to investigate whether PGD2 can regulate ANP secretion in the isolated perfused beating rat atrium, and its underlying mechanisms. PGD2 (0.1 to 10 µM) significantly increased atrial ANP secretion concomitantly with positive inotropy in a dose-dependent manner...
May 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28458226/hybrid-aerogel-derived-sn-ni-alloy-immobilized-within-porous-carbon-graphene-dual-matrices-for-high-performance-lithium-storage
#17
Hao Zhang, Mengru Zhang, Meiling Zhang, Lin Zhang, Anping Zhang, Yiming Zhou, Ping Wu, Yawen Tang
Nanoporous networks of tin-based alloys immobilized within carbon matrices possess unique structural and compositional superiorities toward lithium-storage, and are expected to manifest improved strain-accommodation and charge-transport capabilities and thus desirable anodic performance for advanced lithium-ion batteries (LIBs). Herein, a facile and scalable hybrid aerogel-derived thermal-autoreduction route has been developed for the construction of nanoporous network of SnNi alloy immobilized within carbon/graphene dual matrices (SnNi@C/G network)...
April 24, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28457561/is-the-presence-of-end-diastolic-forward-flow-specific-for-restrictive-right-ventricular-physiology-in-repaired-tetralogy-of-fallot
#18
Yoshiki Mori, Tomotaka Murakami, Nao Inoue, Sachie Kaneko, Yasumi Nakashima, Masaaki Koide
BACKGROUND: End-diastolic forward flow (EDFF) is recognized as restrictive right ventricular physiology (r-RVP), but conflicting results have been reported about effects on the clinical outcome in repaired tetralogy of Fallot (r-TOF). OBJECTIVES: We hypothesized that the EDFF by Doppler was not specific for diagnosing r-RVP. METHODS: Sixty-two consecutive patients aged 15.7±11.6years who underwent cardiac catheterization were studied. Patients were divided according to the presence of EDFF (group 1: EDFF+, group 2: EDFF-) and RV size (group A: small RV, group B: large RV [>150ml/m(2)])...
April 11, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28456775/atrial-natriuretic-peptide-and-brain-natriuretic-peptide-changes-after-epicardial-percutaneous-left-atrial-appendage-suture-ligation-using-lariat-device
#19
K Bartus, J Podolec, R J Lee, B Kapelak, J Sadowski, M Bartus, K Oles, P Ceranowicz, R Trabka, R Litwinowicz
Percutaneous left atrial appendage closure is an alternative treatment for stroke and systemic thromboembolism risk reduction in non-valvular atrial fibrillation (AF). However, the neurohormonal impact of epicardial exclusion of the left atrial appendage (LAA) with the LARIAT procedure is unknown. Evaluation of changes in atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) levels in AF patients underwent percutaneous LAA suture ligation. Sixty six patients underwent successfully percutaneous LAA suture ligation using LARIAT device...
February 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28454912/phosphonoamidate-prodrugs-of-c5-substituted-pyrimidine-acyclic-nucleosides-for-antiviral-therapy
#20
Fabrizio Pertusati, Sara Serafini, Najmiyah Albadry, Robert Snoeck, Graciela Andrei
Acyclic nucleoside phosphonates (ANPs) are nowadays one of the key drugs in the treatment of DNA virus and retrovirus infections. In this work, we report the synthesis and antiviral evaluation of phosphonoamidate and diamidates prodrugs of C5-pyrimidine acyclic nucleosides derivatives functionalized with but-2-enyl- chain. In the phosphonoamidate series, the most active compound 15, showed sub-micromolar activity against varicella zoster virus (VZV) (EC50 = 0.09-0.5 μM) and μM activity against human cytomegalovirus (HCMV) and herpes simplex virus (HSV)...
April 25, 2017: Antiviral Research
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