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https://www.readbyqxmd.com/read/28346483/effect-of-mir-146-targeted-hdmcp-up-regulation-in-the-pathogenesis-of-nonalcoholic-steatohepatitis
#1
Xi Jin, Jiang Liu, Yi-Peng Chen, Zun Xiang, Jie-Xia Ding, You-Ming Li
BACKGROUNDS/AIMS: Mitochondrial dysfunction plays an important role inthe pathogenesis of nonalcoholic steatohepatitis (NASH), where uncoupling protein (UCP) is actively involved. We previously reported the uncoupling activity of HDMCP and its role in liver steatosis. We now aim to investigate the degree and therapeutic effect of HDMCP in NASH and the regulatory role of miR-146 on HDMCP. METHODS: NASH animal model was established by feeding BALB/c mice with MCD diet while L02 cell was cultured with high concentration of fatty acid (HFFA) for 72h to mimic the steatosis and inflammation of NASH in-vitro appearance...
2017: PloS One
https://www.readbyqxmd.com/read/28343767/neural-cell-adhesion-molecule-expression-in-dilated-cardiomyopathy-is-associated-with-intramyocardial-inflammation-and-hypertrophy
#2
Karsten Ostermann, Heinz-Peter Schultheiss, Michel Noutsias
Chronic intramyocardial inflammation (inflammatory cardiomyopathy/DCMi) is linked to the pathogenesis of dilated cardiomyopathy (DCM). Neural cell adhesion molecule (NCAM) is involved in orchestrating cardiac muscle morphogenesis, but is down-regulated after embryogenesis. We investigated NCAM expression in adult DCM hearts, its possible association with DCMi-parameters, and with cardiomyocyte hypertrophy (CMH). Endomyocardial biopsies (EMBs) from DCM patients (n=85; n=37 females; age: 48±19years; LVEF <40%) and controls from non-cardiac deaths were immunostained for DCMi markers and for NCAM expression, and quantified by digital image analysis (DIA)...
March 18, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28339906/interstitial-fibrosis-scored-on-whole-slide-digital-imaging-of-kidney-biopsies-is-a-predictor-of-outcome-in-proteinuric-glomerulopathies
#3
Laura H Mariani, Sebastian Martini, Laura Barisoni, Pietro A Canetta, Jonathan P Troost, Jeffrey B Hodgin, Matthew Palmer, Avi Z Rosenberg, Kevin V Lemley, Hui-Ping Chien, Jarcy Zee, Abigail Smith, Gerald B Appel, Howard Trachtman, Stephen M Hewitt, Matthias Kretzler, Serena M Bagnasco
Background.: Interstitial fibrosis (IF), tubular atrophy (TA) and interstitial inflammation (II) are known determinants of progression of renal disease. Standardized quantification of these features could add value to current classification of glomerulopathies. Methods.: We studied 315 participants in the Nephrotic Syndrome Study Network (NEPTUNE) study, including biopsy-proven minimal change disease (MCD = 98), focal segmental glomerulosclerosis (FSGS = 121), membranous nephropathy (MN = 59) and IgA nephropathy (IgAN = 37)...
February 27, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28325574/decoy-receptor-3-analogous-supplement-protects-steatotic-rat-liver-from-ischemia-reperfusion-injury
#4
Tzu-Hao Li, Chih-Wei Liu, Pei-Chang Lee, Chia-Chang Huang, Kuei-Chuan Lee, Yun-Cheng Hsieh, Ying-Ying Yang, Shie-Liang Hsieh, Han-Chieh Lin, Chang-Youh Tsai
BACKGROUND: For steatotic livers, pharmacological approaches to minimize the hepatic neutrophil and macrophage infiltration, and cytokine and chemokine release in ischemia-reperfusion (IR) injury are still limited. Tumor necrosis factor (TNF)-α superfamily-stimulated pathogenic cascades and M1 macrophage/Kupffer cells (KC) polarization from Th1 cytokines are important in the pathogenesis of IR liver injury with hepatic steatosis (HS). Conversely, anti-inflammatory M2 macrophages produce Th2 cytokine (interleukin-4), which reciprocally enhances M2 polarization...
March 16, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28320071/adherence-to-national-exercise-guidelines-by-patients-attending-emergency-departments-a-multi-site-survey
#5
Paul Berlingeri, Neil Cunningham, David McD Taylor, Jonathan Knott, Daniel McLean, Rex Gavan, Luke Plant, Hayley Chen, Tracey Weiland
OBJECTIVE: The proportion of adults in Australia meeting or exceeding the national guidelines for physical activity has remained relatively static over the past 10 years. The research objective was to measure self-reported physical activity and sedentary behaviour among ED patients in accordance with Australia's current physical activity and sedentary behaviour guidelines, revised in 2014. METHODS: A convenience sample of participants was recruited from three EDs in Melbourne between February and May 2016...
March 20, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28320069/usefulness-of-laboratory-and-radiological-investigations-in-the-management-of-supraventricular-tachycardia
#6
Aadith Ashok, Miguel Cabalag, David McD Taylor
OBJECTIVE: Although ED patients presenting with supraventricular tachycardia (SVT) are commonly investigated, the value of these investigations has been questioned. We aimed to determine the frequency and utility of investigations in patients with SVT. METHODS: We undertook an explicit retrospective medical record audit of patients with SVT who presented to a single ED (January 2004 to June 2014). Data on demographics, presenting complaints, investigations and outcomes were extracted...
March 20, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28319060/the-anti-diabetic-drug-exenatide-a-glucagon-like-peptide-1-receptor-agonist-counteracts-hepatocarcinogenesis-through-camp-pka-egfr-stat3-axis
#7
M Zhou, M T S Mok, H Sun, A W Chan, Y Huang, A S L Cheng, G Xu
Epidemiological studies have demonstrated a close association of type 2 diabetes and hepatocellular carcinoma (HCC). Exenatide (Ex-4), a potent diabetes drug targeting glucagon-like peptide-1 receptor (GLP-1R), is protective against non-alcoholic fatty liver disease (NAFLD). However, the Ex-4 function and GLP-1R status have yet been explored in HCC. Herein we investigated the effect of Ex-4 in diethylnitrosamine (DEN)-treated mice consuming control or high-fat high-carbohydrate diet. Administration of Ex-4 significantly improved obesity-induced hyperglycemia and hyperlipidemia and reduced HCC multiplicity in obese DEN-treated mice, in which suppressed proliferation and induced apoptosis were confined to tumor cells...
March 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28318940/uptake-of-community-pharmacist-delivered-medscheck-diabetes-medication-review-service-in-ontario-between-2010-and-2014
#8
Lori MacCallum, Giulia Consiglio, Linda MacKeigan, Lisa Dolovich
OBJECTIVES: The objective of the study was to describe the demographic and clinical characteristics of MedsCheck Diabetes (MCD) recipients in Ontario between program launch on September 1, 2010, and March 31, 2014. METHODS: This cohort study leveraged linked administrative claims data. Trends in MCD claims and recipient characteristics were examined. RESULTS: A total of 406,694 Ontarians (45.8% women) received an MCD, representing approximately half of all Ontarians with diabetes...
March 17, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28317197/structural-photophysical-and-magnetic-circular-dichroism-studies-of-three-rigidified-meso-pentafluorophenyl-substituted-hexaphyrin-analogues
#9
Jonathan L Sessler, Masatoshi Ishida, Taniyuki Furuyama, Jong Min Lim, Sangsu Lee, Zhan Zhang, Sudip K Ghosh, Vincent M Lynch, Changhee Lee, Nagao Kobayashi, Dongho Kim
Detailed electronic, structural, photophysical, and redox studies of a series of meso-(pentafluorophenyl)-substituted hexaphyrins, namely amethyrin (1), rosarin (2) and rubyrin (3) are described. In prior work, it was found that the electronic states of the antiaromatic hexapyrrolic macrocycle, [24]rosarin 2, could be modified by exposure to several Brønsted acids (e.g., HCl, HBr and HI) to produce either one- and two-electron reduced species, or both. In an effort to gain further insights into the reactivity of hexaphyrins possessing different π-conjugation pathways, the β-dodecamethyl-substituted [24]amethyrin 1 was prepared and its electronic structure was analyzed along with that of the o-phenylene-bridged [26]rubyrin 3 and rosarin 2 The [4n] and [4n+2] π-conjugated formulations of 2 and 3, respectively, were inferred from steady-state, fs-transient absorption and two photon absorption measurements...
March 20, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28315235/identification-and-quantitation-of-malonic-acid-biomarkers-of-in-born-error-metabolism-by-targeted-metabolomics
#10
Chandra Shekar R Ambati, Furong Yuan, Lutfi A Abu-Elheiga, Yiqing Zhang, Vivekananda Shetty
Malonic acid (MA), methylmalonic acid (MMA), and ethylmalonic acid (EMA) metabolites are implicated in various non-cancer disorders that are associated with inborn-error metabolism. In this study, we have slightly modified the published 3-nitrophenylhydrazine (3NPH) derivatization method and applied it to derivatize MA, MMA, and EMA to their hydrazone derivatives, which were amenable for liquid chromatography- mass spectrometry (LC-MS) quantitation. 3NPH was used to derivatize MA, MMA, and EMA, and multiple reaction monitoring (MRM) transitions of the corresponding derivatives were determined by product-ion experiments...
March 17, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28306139/the-tir-bb-loop-mimetic-as-1-prevents-nonalcoholic-steatohepatitis-and-hepatic-insulin-resistance-by-inhibiting-nlrp3-asc-inflammasome-activation
#11
Xiaolu Wang, Yun Gao, Juan Song, Chao Tang, Man Wang, Linli Que, Li Liu, Guoqing Zhu, Qi Chen, Yong Yao, Yong Xu, Jiantao Li, Yuehua Li
BACKGROUND AND PURPOSE: Non-alcoholic steatohepatitis (NASH) is characterized by excessive intracellular lipid accumulation, inflammation and hepatic insulin resistance. Considering the rising prevalence of NASH worldwide, it is urgent to find novel interventional approaches. The pro-inflammatory cytokine IL-1β, generated and released from the Kupffer cells, is considered to be an initiating event in NASH. AS-1, a synthetic low-molecule mimetic to myeloid differentiation primary response gene 88 (MyD88), has been reported to disrupt the IL-1R-MyD88 interaction...
March 17, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28291255/tir-bb-loop-mimetic-as-1-attenuates-cardiac-ischemia-reperfusion-injury-via-a-caveolae-and-caveolin-3-dependent-mechanism
#12
Yuanping Hu, Meiling Zhang, Xin Shen, Guoliang Dai, Danyang Ren, Linli Que, Tuanzhu Ha, Chuanfu Li, Yong Xu, Wenzheng Ju, Yuehua Li
AS-1, the TIR/BB loop mimetic, plays a protective role in cardiac ischemia/reperfusion (I/R) but the molecular mechanism remains unclear. The muscle specific caveolin3 (Cav-3) and the caveolae have been found to be critical for cardioprotection. This study aimed to evaluate our hypothesis that caveolae and Cav-3 are essential for AS-1-induced cardioprotection against myocardial I/R injury. To address these issues, we analyzed the involvement of Cav-3 in AS-1 mediated cardioprotection both in vivo and in vitro...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28286271/p16-deficiency-promotes-nonalcoholic-steatohepatitis-via-regulation-of-hepatic-oxidative-stress
#13
Fangqiao Lv, Jun Wu, Dengshun Miao, Wei An, Yutong Wang
Nonalcoholic steatohepatitis (NASH) is characterized by excess accumulation of lipids in liver, accompanied with hepatocyte injury, cell death and inflammation. Although p16is known as tumor suppressor in multiple cancer types, it remains unclear whether p16 plays a critical role in NASH. To determine whether p16 could play a role in the pathogenesis of NASH, wild-type mice and p16(-/-) mice were fed on a methionine and choline-deficient (MCD) diet for 3 weeks, and liver steatosis, fibrosis, and inflammation were evaluated...
March 9, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28274041/histomorphometric-analysis-of-angiogenesis-using-cd31-immunomarker-and-mast-cell-density-in-oral-premalignant-and-malignant-lesions-a-pilot-study
#14
M Jyothsna, M Rammanohar, Kiran Kumar
INTRODUCTION: Mast cells have been implicated in promoting angiogenesis in malignant tumors of lung, oesophagus and breast, but there are few studies on Oral Squamous Cell Carcinomas (OSCC). Most oral squamous cell carcinomas arise from pre-existing precancerous lesions exhibiting epithelial dysplasia. AIM: The present pilot study attempts to compare Mast Cell Density (MCD), Microvessel Density (MVD), Microvessel Area (MVA) histomorphometrically between normal buccal mucosa, severe epithelial dysplasia and OSCC and to correlate the role of mast cells and angiogenesis in tumor progression...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28270609/ablation-of-cytochrome-p450-omega-hydroxylase-4a14-gene-attenuates-hepatic-steatosis-and-fibrosis
#15
Xiaoyan Zhang, Sha Li, Yunfeng Zhou, Wen Su, Xiongzhong Ruan, Bing Wang, Feng Zheng, Margaret Warner, Jan-Åke Gustafsson, Youfei Guan
Nonalcoholic fatty liver disease (NAFLD) is characterized by simple hepatic steatosis (SS), nonalcoholic steatohepatitis (NASH), hepatic fibrosis, and cirrhosis. Dysregulated fatty acid metabolism in the liver plays a critical role in the pathogenesis of NAFLD. Cytochrome P450 omega-hydroxylase 4A14 (CYP4A14) is a homolog of human CYP4A hydroxylase that catalyzes omega-hydroxylation of medium-chain fatty acids and arachidonic acid in mice. The goal of this study was to determine the role of CYP4A14 in the development and the progression of NAFLD...
March 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28269065/development-of-matlab-software-to-control-data-acquisition-from-a-multichannel-systems-multi-electrode-array
#16
Erik Messier
A Multichannel Systems (MCS) microelectrode array data acquisition (DAQ) unit is used to collect multichannel electrograms (EGM) from a Langendorff perfused rabbit heart system to study sudden cardiac death (SCD). MCS provides software through which data being processed by the DAQ unit can be displayed and saved, but this software's combined utility with MATLAB is not very effective. MCSs software stores recorded EGM data in a MathCad (MCD) format, which is then converted to a text file format. These text files are very large, and it is therefore very time consuming to import the EGM data into MATLAB for real-time analysis...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28251449/a20-attenuates-liver-fibrosis-in-nafld-and-inhibits-inflammation-responses
#17
Xiaohan Wang, Luoyan Ai, Qingqing Xu, Changwei Wu, Zhiwei Chen, Dazhi Su, Xiaoke Jiang, Zhuping Fan
We previously reported A20 was able to inhibit lipid accumulation in nonalcoholic steatohepatitis. We want to investigate whether A20 influences liver fibrosis in this study. Liver tissues from patients with hepatic fibrosis (n = 9) and healthy individuals (n = 7) were studied for A20 protein level by immunohistochemistry. A20 messenger RNA (mRNA) and protein level were also analyzed in two murine hepatic fibrosis models: methionine- and choline-deficient (MCD) diet and extrahepatic bile duct ligation (BDL) operation by real-time PCR and western blot...
March 1, 2017: Inflammation
https://www.readbyqxmd.com/read/28246603/urinary-exosomal-mir-193a-can-be-a-potential-biomarker-for-the-diagnosis-of-primary-focal-segmental-glomerulosclerosis-in-children
#18
Zhibin Huang, Yong Zhang, Jianhua Zhou, Yu Zhang
Background. Glomerular upregulation of miR-193a has been detected in primary focal segmental glomerulosclerosis (FSGS) but not in other glomerular diseases. We aimed to isolate exosomes from urine of children with primary FSGS and to assess the diagnostic potential of urinary exosomal miR-193a for primary FSGS. Methods. The first morning urine samples were collected from children with primary FSGS (n = 8) and minimal change disease (MCD, n = 5). Isolated urinary exosomes were confirmed by electron microscopy and Western blotting...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28244266/observational-study-of-alternative-therapies-among-paediatric-emergency-department-patients
#19
Juen-Li Ding, David McD Taylor, Marina Lee, Olivia G Johnson, Aadith Ashok, Meg Griffiths, Leopold Simma, Simon S Craig, John A Cheek, Franz E Babl
OBJECTIVE: While complementary medicine use among ED paediatric patients is common, the use of alternative therapies (ATs; physical or spiritual therapies) is unknown. We aimed to determine the 12 month period prevalence and nature of AT use among paediatric patients and parent perceptions of AT use. METHODS: We undertook a cross-sectional survey of a convenience sample of parents of paediatric patients in three EDs in metropolitan Melbourne, Australia (January-June, 2015)...
February 28, 2017: Emergency Medicine Australasia: EMA
https://www.readbyqxmd.com/read/28237832/central-nervous-system-anomalies-in-two-females-with-borjeson-forssman-lehmann-syndrome
#20
Burkhard S Kasper, Arnd Dörfler, Nataliya Di Donato, Ekkehard M Kasper, Dagmar Wieczorek, Juliane Hoyer, Christiane Zweier
Borjeson-Forssman-Lehmann syndrome (BFLS) is a rare disorder caused by mutations in the PHF6 gene. It manifests as syndromic X-linked recessive intellectual disability (ID) in males and as sporadic ID due to de novo mutations in females. Clinical features include variable ID and a range of somatic manifestations constituting a distinct phenotype in both males and females, respectively, including seizures in a few. Central nervous system (CNS) imaging data are largely unavailable for BFLS. Here we report on CNS MRI findings from two female individuals with BFLS due to a de novo duplication in PHF6 who presented with typical BFLS and epilepsy...
February 23, 2017: Epilepsy & Behavior: E&B
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