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https://www.readbyqxmd.com/read/29326144/a-new-secretory-peptide-of-natriuretic-peptide-family-osteocrin-suppresses-the-progression-of-congestive-heart-failure-after-myocardial-infarction
#1
Takahiro Miyazaki, Kentaro Otani, Ayano Chiba, Hirohito Nishimura, Takeshi Tokudome, Haruko Watanabe-Takano, Ayaka Matsuo, Hiroyuki Ishikawa, Keiko Shimamoto, Hajime Fukui, Yugo Kanai, Akihiro Yasoda, Soshiro Ogata, Kunihiro Nishimura, Naoto Minamino, Naoki Mochizuki
Rationale: An increase of severe ischemic heart diseases results in an increase of the patients with congestive heart failure (CHF). Therefore, new therapies are expected in addition to recanalization of coronary arteries. Previous clinical trials using natriuretic peptides (NPs) prove the improvement of CHF by NPs. Objective: We aimed at investigating whether osteocrin (OSTN) peptide potentially functioning as an NP clearance receptor (NPR3)-blocking peptide can be used as a new therapeutic peptide for treating CHF after myocardial infarction (MI) using animal models...
January 11, 2018: Circulation Research
https://www.readbyqxmd.com/read/29323978/nurse-led-epistaxis-management-within-the-emergency-department
#2
Navid Hakim, Sangha Mitra Mummadi, Karan Jolly, Julian Dawson, Adnan Darr
BACKGROUND: the incidence of epistaxis has increased secondary to increased life expectancy and morbidities. This study sought to assess the knowledge, practice and opinion relating to adequacy of training of advanced nurse practitioners (ANPs) and staff nurses (SNs) in the emergency department. METHODS: a national survey was distributed over an 8-week period; this included a 3-point scoring system based on the National Institute for Health and Care Excellence Clinical Knowledge Summaries guidance on epistaxis management to assess overall performance...
January 11, 2018: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29318697/oroxylin-a-inhibits-ethanol-induced-hepatocyte-senescence-via%C3%A2-yap-pathway
#3
Huanhuan Jin, Naqi Lian, Mianli Bian, Chenxi Zhang, Xingran Chen, Jiangjuan Shao, Li Wu, Anping Chen, Qinglong Guo, Feng Zhang, Shizhong Zheng
OBJECTIVES: Oroxylin A, a natural flavonoid isolated from Scutellaria baicalensis, has been reported to have anti-hepatic injury effects. However, the effects of oroxylin A on alcoholic liver disease (ALD) remains unclear. The aim of this study was to elucidate the effects of oroxylin A on ALD and the potential mechanisms. MATERIALS AND METHODS: Male ICR mice and human hepatocyte cell line LO2 were used. Yes-associated protein (YAP) overexpression and knockdown were achieved using plasmid and siRNA technique...
January 10, 2018: Cell Proliferation
https://www.readbyqxmd.com/read/29317465/perilipin-5-and-liver-fatty-acid-binding-protein-function-to-restore-quiescence-in-mouse-hepatic-stellate-cells
#4
Jianguo Lin, Shizhong Zheng, Alan D Attie, Mark P Keller, David A Bernlohr, William S Blaner, Elizabeth P Newberry, Nicholas O Davidson, Anping Chen
Hepatic stellate cell (HSC) activation occurs along with decreased Perilipin5 (Plin5) and liver fatty acid-binding protein (L-Fabp) expression and coincident lipid droplet (LD) depletion. Conversely, the activated phenotype is reversible in wild type (wt) HSCs upon forced expression of Plin5. Here we asked if L-Fabp expression is required for Plin5-mediated rescue of the quiescent phenotype. Lentiviral Plin5 transduction of passaged L-Fabp-/- HSCs failed to reverse activation markers or to restore lipogenic gene expression and LD formation...
January 9, 2018: Journal of Lipid Research
https://www.readbyqxmd.com/read/29309658/genetic-background-influences-cardiac-phenotype-in-murine-chronic-kidney-disease
#5
Samantha Neuburg, Corey Dussold, Claire Gerber, Xueyan Wang, Connor Francis, Lixin Qi, Valentin David, Myles Wolf, Aline Martin
Background: Levels of fibroblast growth factor 23 (FGF23) increase early in chronic kidney disease (CKD) and are independently associated with left ventricular hypertrophy (LVH), heart failure and death. Experimental models of CKD with elevated FGF23 and LVH are needed. We hypothesized that slow rates of CKD progression in the Col4a3 knockout (Col4a3KO) mouse model of CKD would promote development of LVH by prolonging exposure to elevated FGF23. Methods: We studied congenic Col4a3KO and wild-type (WT) mice with either 75% 129X1/SvJ (129Sv) or 94% C57Bl6/J (B6) genomes...
December 22, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29308516/-evaluation-of-upper-airway-dimension-among-adolescent-patients-with-different-sagittal-skeletal-patterns-by-cone-beam-ct
#6
Xiao-Bei Hu, Kun Zhang, Da-Wei Wang, Lang Lei
PURPOSE: To analyze whether upper airway dimensions were influenced by different sagittal skeletal pattern among adolescent patients. METHODS: Seventy-five adolescent patients were divided into 3 groups based on their ANB angles.The three groups were matched for age and sex. All subjects had a normodivergent skeletal pattern.Airway lengths, cross-sectional measurements and volumes were measured by using cone-beam computed tomography (CBCT) volume scans, and two-dimensional lateral cephalograms were created and analyzed...
October 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/29306449/chronic-exercise-induces-pathological-left-ventricular-hypertrophy-in-adrenaline-deficient-mice
#7
Priscila Mendes, Raquel Martinho, Sara Leite, Leonardo Maia-Moço, Adelino F Leite-Moreira, André P Lourenço, Mónica Moreira-Rodrigues
Adrenaline-deficient phenylethanolamine-N-methyltransferase-knockout mice (Pnmt-KO) have concentric heart remodeling and though their resting blood pressure is normal, it becomes higher during acute exercise. The aim of this study was to evaluate cardiac morphological, functional and molecular alterations after chronic exercise in adrenaline-deficient mice. Genotypes at the Pnmt locus were verified by polymerase chain reaction (PCR) of ear samples of Pnmt-KO and wild-type (WT) mice. These mice were submitted to chronic exercise training during 6weeks...
February 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29301864/effect-of-autotransplantation-of-a-parathyroid-gland-on-hypoparathyroidism-after-total-thyroidectomy
#8
Anping Su, Yanping Gong, Wenshuang Wu, Rixiang Gong, Zhihui Li, Jingqiang Zhu
BACKGROUND: The effect of parathyroid autotransplantation on hypoparathyroidism is not fully understood. The purpose of the study was to determine the effect of autotransplantation of a parathyroid gland on the incidence of hypoparathyroidism and recovery of parathyroid function at 6 months after total thyroidectomy with central neck dissection for papillary thyroid carcinoma. METHODS: All patients with autotransplantation of a parathyroid gland (no inadvertent parathyroidectomy) (group A), in situ preservation of all parathyroid glands (no autotransplantation and inadvertent parathyroidectomy) (group B), or inadvertent removal of a parathyroid gland (no autotransplantation) (group C) who underwent first-time total thyroidectomy with central neck dissection for papillary thyroid carcinoma between January 2013 and June 2016 were included retrospectively...
January 4, 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29299916/towards-eco-friendly-and-highly-efficient-solar-water-splitting-using-in2s3-anatase-rutile-tio2-dual-staggered-heterojunction-nanodendrite-array-photoanode
#9
Jih-Sheng Yang, Jih-Jen Wu
The TiO2-based heterojunction nanodendrite (ND) array composed of anatase NPs (ANP) on the surface of rutile ND (RND) array is selected as the model photoanode to demonstrate the strategies towards eco-friendly and efficient solar water splitting using neutral electrolyte and seawater. Compared to the performances in alkaline electrolyte, non-negligible potential drop across the electrolyte as well as impeded charge injection and charge separation are monitored in the ANP/RND array photoanode with neutral electrolyte, which are respectively ascribed to the series resistance of neutral electrolyte, the fundamentally pH-dependent water oxidation mechanism on TiO2 surface, as well as the less band bending at the interface of TiO2 and neutral electrolyte...
January 4, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29298048/cyanogel-enabled-homogeneous-sb-ni-c-ternary-framework-electrodes-for-enhanced-sodium-storage
#10
Ping Wu, Anping Zhang, Lele Peng, Fei Zhao, Yawen Tang, Yiming Zhou, Guihua Yu
Antimony (Sb) represents an important high-capacity anode material for advanced sodium ion batteries (SIBs), but its practical utilization has been primarily hampered by huge volume expansion-induced poor cycling life. The co-incorporation of transition-metal (M=Ni, Cu, Fe, etc) and carbon components can synergistically buffer the volume change of Sb component, however, these Sb-M-C ternary anodes often suffer from uneven distribution of Sb, M, and C components. Herein, we propose a general nanostructured gel-enabled methodology to synthesize homogeneous Sb-M-C ternary anodes for fully realizing the synergestic effects from M/C dual matrices...
January 3, 2018: ACS Nano
https://www.readbyqxmd.com/read/29290784/systemic-inflammation-biomarkers-predict-survival-in-patients-of-early-stage-non-small-cell-lung-cancer-treated-with-stereotactic-ablative-radiotherapy-a-single-center-experience
#11
Hui Luo, Hong Ge, Yingying Cui, Jiangong Zhang, Ruitai Fan, Anping Zheng, Xiaoli Zheng, Yanan Sun
Background: Increasing evidence indicates a relationship between systemic inflammation and survival following treatment in various tumors. However, the correlation of systematic inflammation with survival after stereotactic ablative radiotherapy (SABR) in early stage non-small cell lung cancer (NSCLC) has not been well established. Patients and methods: We retrospectively analyzed patients with newly diagnosed early stage NSCLC treated with SABR in a single institution from 2011 to 2015. The neutrophil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), and lymphocyte- monocyte ratio (LMR) were calculated as systemic inflammation biomarkers...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29287795/hif-1%C3%AE-l-pgds-ppar%C3%AE-regulates-hypoxia-induced-anp-secretion-in-beating-rat-atria
#12
Xiang Li, Ying Zhang, Bo Zhang, Xia Liu, Lan Hong, Li-Ping Liu, Cheng-Zhe Wu, Xun Cui
Lipocalin-type prostaglandin D synthase (L-PGDS) and peroxisome proliferator activated receptor γ (PPARγ) play important roles in cardiovascular diseases. Nevertheless, effects of hypoxia-inducible factor 1α (HIF-1α) on L-PGDS and PPARγ protein levels and its role in hypoxia-induced atrial natriuretic peptide (ANP) secretion are unclear. In perfused beating rat atria, we observed that hypoxia significantly increased HIF-1α protein levels and stimulated ANP secretion, while upregulating L-PGDS. Hypoxia-induced ANP secretion was clearly attenuated by HIF-1α antagonist 2-methoxyestradiol, downregulating both HIF-1α and L-PGDS protein levels...
December 26, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/29283973/tenascin-c-promotes-chronic-pressure-overload-induced-cardiac-dysfunction-hypertrophy-and-myocardial-fibrosis
#13
Bruno K Podesser, Maximilian Kreibich, Elda Dzilic, David Santer, Lorenz Förster, Sandra Trojanek, Dietmar Abraham, Martin Krššák, Klaus U Klein, Eva V Tretter, Christoph Kaun, Johann Wojta, Barbara Kapeller, Inês Fonseca Gonçalves, Karola Trescher, Attila Kiss
AIMS: Left ventricular (LV) hypertrophy is characterized by cardiomyocyte hypertrophy and interstitial fibrosis ultimately leading to increased myocardial stiffness and reduced contractility. There is substantial evidence that the altered expression of matrix metalloproteinases (MMP) and Tenascin-C (TN-C) are associated with the progression of adverse LV remodeling. However, the role of TN-C in the development of LV hypertrophy because of chronic pressure overload as well as the regulatory role of TN-C on MMPs remains unknown...
December 27, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/29279524/transcriptional-analysis-of-endothelial-cell-alternation-induced-by-atrial-natriuretic-polypeptide-in-human-umbilical-vein-endothelial-cells
#14
Xuefeng Li, Yu Liang, Zhili Qiao, Jiaoxia Yang, Pengfei Han, Binghai Zhao, Fengxiang Li, Hengjuan Lv, Jifang Guo, Fengmin Gao, Li Li
The aim of this study was to explore how atrial natriuretic polypeptide (ANP) affects the properties and function of endothelial cells. Gene expression data GSE56976 generated at 0, 1, and 6 hours after ANP incubation in human umbilical vein endothelial cells (HUVEC) was used. Microarray data were preprocessed for differentially expressed genes (DEGs) in each time-dependent group. Next, gene ontology (GO), pathway analysis, and transcriptional regulation were performed. Co-expression clustering analysis of DEGs and functional enrichment analysis of co-expression modules were processed...
December 27, 2017: International Heart Journal
https://www.readbyqxmd.com/read/29276403/thermal-camera-as-a-pain-monitor
#15
Varlik K Erel, Heval Selman Özkan
Objectives: Today, many subjective methods are used to measure pain. Wong Baker and Hicks Facial Pain Scale is one of the most commonly used method. Clinicians grade pain according to the facial mimetic reaction of the patient. Unfortunately, there is no objective measure for monitoring pain. By using the same principle of the Wong Baker and Hicks Facial Pain Scale, in this study, we aimed to objectively measure pain by using a thermal camera to detect instant facial temperature changes...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29274625/inhibition-of-myocardial-hypertrophy-by-magnesium-isoglycyrrhizinate-through-the-tlr4-nf-%C3%AE%C2%BAb-signaling-pathway-in-mice
#16
REVIEW
Donglai Ma, Jianping Zhang, Yuanyuan Zhang, Xuan Zhang, Xue Han, Tao Song, Ying Zhang, Li Chu
Magnesium isoglycyrrhizinate (MgIG) is a magnesium salt of the 18-α glycyrrhizic acid stereoisomer that has exhibited hepato-protective effects and has anti-inflammatory, antioxidant, and antiviral activities. Here, we have investigated the effects and potential mechanisms of action of MgIG, with respect to myocardial fibrosis induced by isoproterenol (ISO) in mice. Mice were administered MgIG for 14days, with concurrent ISO dosing, and were sacrificed two weeks later. Lactate dehydrogenase (LDH) and creatine kinase (CK) concentrations were measured in the blood...
December 20, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29261319/facile-deposition-of-manganese-dioxide-to-albumin-bound-paclitaxel-nanoparticles-for-modulation-of-hypoxic-tumor-microenvironment-to-improve-chemoradiation-therapy
#17
Lingtong Meng, Yali Cheng, Shaoju Gan, Zhicheng Zhang, Xiaoning Tong, Lei Xu, Xing Jiang, Yishen Zhu, Jinhui Wu, Ahu Yuan, Yiqiao Hu
Tumor microenvironment with hypoxia and excess hydrogen peroxide (H2O2), tremendously limits the effect of chemoradiation therapy of colorectal cancer. For the first time, we developed a facile method to deposit manganese dioxide (MnO2) on the surface of albumin bound paclitaxel nanoparticles (ANPs-PTX) to obtain MnO2 functioned ANPs-PTX (MANPs-PTX). In the tumor microenvironment, MANPs-PTX could consume excess hydrogen peroxide (H2O2) to produce abundant oxygen for tumor oxygenation and improve chemoradiation therapy...
December 20, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29247459/131-i-radiolabeled-immune-albumin-nanospheres-loaded-with-doxorubicin-for-in-vivo-combinatorial-therapy
#18
Anping Ji, Yuanchao Zhang, Gaochao Lv, Jianguo Lin, Ning Qi, Faquan Ji, Minghua Du
For the purpose of providing a new insights for high-efficiency radiochemotherapy of hepatoma, a radioimmunotherapy and chemotherapy combinatorial therapy albumin nanospheres 131 I-antiAFPMcAb-DOX-BSA-NPs was designed and prepared. It was obtained in a high radiolabeling yield (RLY) about 65% with the radiochemical purity (RCP) of over 98%. The transmission electron microscope (TEM) showed that the nanospheres obtained in good monodispersion with a diameter of approximately 230 nm. The doxorubicin (DOX) loading capacity of the DOX-BSA-NPs nanoparticles was determined to about 180 μg/mg and 95...
December 16, 2017: Journal of Labelled Compounds & Radiopharmaceuticals
https://www.readbyqxmd.com/read/29240788/enhanced-heart-failure-mortality-and-renin-activation-in-female-mice-with-experimental-dilated-cardiomyopathy
#19
Ranjana Tripathi, Ryan Sullivan, Tai-Hwang M Fan, Dong Wang, Yao Sun, Guy L Reed, Inna P Gladysheva
Dilated cardiomyopathy (DCM) is the major cause of heart failure affecting both women and men. Limited clinical studies show conflicting data in sex-related differences in the progression of dilated cardiomyopathy and heart failure (HF) outcomes. We examined the comparative sex-related progression of cardiomyopathy and the development of HF (at 4, 7, 13 weeks of age) in a well-established, transgenic mouse model of DCM that recapitulates the progressive stages of human HF. By 13 weeks of age, female mice with DCM had more severe left ventricular systolic dysfunction, left ventricular dilation and wall thinning (P<0...
2017: PloS One
https://www.readbyqxmd.com/read/29238844/cardiomyokines-from-the-heart
#20
REVIEW
Ayano Chiba, Haruko Watanabe-Takano, Takahiro Miyazaki, Naoki Mochizuki
The heart is regarded as an endocrine organ as well as a pump for circulation, since atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP) were discovered in cardiomyocytes to be secreted as hormones. Both ANP and BNP bind to their receptors expressed on remote organs, such as kidneys and blood vessels; therefore, the heart controls the circulation by pumping blood and by secreting endocrine peptides. Cardiomyocytes secrete other peptides besides natriuretic peptides. Although most of such cardiomyocyte-derived peptides act on the heart in autocrine/paracrine fashions, several peptides target remote organs...
December 13, 2017: Cellular and Molecular Life Sciences: CMLS
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