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https://www.readbyqxmd.com/read/28222150/polymorphisms-and-features-of-cytomegalovirus-ul144-and-ul146-in-congenitally-infected-neonates-with-hepatic-involvement
#1
Gangqiang Guo, Liang Zhang, Sisi Ye, Yingying Hu, Baoqing Li, Xiangwei Sun, Chenchen Mao, Jianfeng Xu, Yiping Chen, Lifang Zhang, Xiangyang Xue
Human cytomegalovirus is a significant agent of hepatic involvement in neonates. In this study, we investigated the polymorphisms and features of the viral genes UL144 and UL146 as well as their significance to congenital hepatic involvement. In 79 neonates with congenital cytomegalovirus infection and hepatic involvement, full length UL144 and UL146 were successfully amplified in 73.42% and 60.76% of cases, respectively. Sequencing indicated that both genes were hypervariable. Notably, UL144 genotype B was highly associated with aspartate aminotransferase (P = 0...
2017: PloS One
https://www.readbyqxmd.com/read/28222147/the-desert-gerbil-psammomys-obesus-as-a-model-for-metformin-sensitive-nutritional-type-2-diabetes-to-protect-hepatocellular-metabolic-damage-impact-of-mitochondrial-redox-state
#2
Inès Gouaref, Dominique Detaille, Nicolas Wiernsperger, Naim Akhtar Khan, Xavier Leverve, Elhadj-Ahmed Koceir
INTRODUCTION: While metformin (MET) is the most widely prescribed antidiabetic drug worldwide, its beneficial effects in Psammomys obesus (P. obesus), a rodent model that mimics most of the metabolic features of human diabetes, have not been explored thoroughly. Here, we sought to investigate whether MET might improve insulin sensitivity, glucose homeostasis, lipid profile as well as cellular redox and energy balance in P. obesus maintained on a high energy diet (HED). MATERIALS AND METHODS: P...
2017: PloS One
https://www.readbyqxmd.com/read/28221022/quantitative-13c-traces-of-glucose-fate-in-hepatitis-b-virus-infected-hepatocytes
#3
Qianfen Wan, Yulan Wang, Huiru Tang
Quantitative characterization of 13C-labeled metabolites is an important part of the stable isotope tracing method widely used in metabolic flux analysis. Due to long relaxation time and low sensitivity of 13C nuclei, direct measurement of 13C labeled metabolites using one dimensional 13C NMR often fails to meet the demand of metabolomics studies especially with large number of samples and metabolites having low abundance. Although HSQC-based 2D NMR methods have improved sensitivity with inversion detection, they are time-consuming thus unsuitable for high-throughput absolute quantification of 13C-labeled metabolites...
February 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28219600/tert-butylhydroquinone-protects-liver-against-ischemia-reperfusion-injury-in-rats-through-nrf2-activating-anti-oxidative-activity
#4
X-P Zeng, X-J Li, Q-Y Zhang, Q-W Liu, L Li, Y Xiong, C-X He, Y-F Wang, Q-F Ye
BACKGROUND: Hepatic ischemia/reperfusion (I/R) injury is a serious complication that occurs in surgical operations such as hepatectomy and liver transplantation. NF-E2-related factor 2 (Nrf2) is a transcription factor that has been proven against inflammatory and oxidative injury. Tert-butylhydroquinone (tBHQ), a widely used Nrf2 activator, is a common food preservative. In this study, we attempt to investigate the potential protective role of tBHQ in hepatic I/R injury. METHODS: Twenty adult male rats were randomly divided into four groups: (1) sham+vehicle group; (2) I/R+vehicle group; (3) sham+tBHQ group; and (4) I/R+tBHQ group...
March 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28219141/-significance-of-bacteria-detection-with-filter-paper-method-on-diagnosis-of-diabetic-foot-wound-infection
#5
X H Zou, Y P Zhu, G Q Ren, G C Li, J Zhang, L J Zou, Z B Feng, B H Li
Objective: To evaluate the significance of bacteria detection with filter paper method on diagnosis of diabetic foot wound infection. Methods: Eighteen patients with diabetic foot ulcer conforming to the study criteria were hospitalized in Liyuan Hospital Affiliated to Tongji Medical College of Huazhong University of Science and Technology from July 2014 to July 2015. Diabetic foot ulcer wounds were classified according to the University of Texas diabetic foot classification (hereinafter referred to as Texas grade) system, and general condition of patients with wounds in different Texas grade was compared...
February 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28219135/-effects-of-prescription-yiqi-huatan-quyu-on-oxidative-stress-level-and-pathological-changes-in-chronic-intermittent-hypoxia-rat-liver
#6
X R He, Q C Lin, Q Chen
Objective: To investigate the effects of Yiqi Huatan Quyu prescription on oxidative stress and pathological changes in chronic intermittent hypoxia rats liver. Methods: A total of 24 male SD rats aged eight weeks were randomly divided into 3 groups by the random number table: normal control group (NC), chronic intermittent hypoxia group (CIH) and chronic intermittent hypoxia plus Yiqi Huatan Quyu prescription supplement group (Chinese medicine group, CM)(n=8 each). The CIH group and CIHN group were exposed to intermittent hypoxia every day for 8 consecutive weeks...
February 14, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28218781/study-on-the-effects-of-blueberry-treatment-on-histone-acetylation-modification-of-ccl4-induced-liver-disease-in-rats
#7
W Zhan, X Liao, T Tian, L Yu, X Liu, B Li, J Liu, B Han, R J Xie, Q H Ji, Q Yang
The objective of this study was to investigate the effects of blueberry treatment on histone acetylation modification of carbon tetrachloride (CCl4)-induced liver disease in rats. Laboratory rats were randomly divided into control, hepatic fibrosis, blueberry treatment, blueberry intervention, and natural recovery groups. Rats in the model groups were treated with CCl4 administered subcutaneously at 4- and 8-week intervals, and then executed. Both the 4- and 8-week treatment groups were treated with blueberry juice for 8 weeks, and then executed after 12 and 16 weeks, respectively...
February 16, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28217928/fast-determination-of-codeine-orphenadrine-promethazine-scopolamine-tramadol-and-paracetamol-in-pharmaceutical-formulations-by-capillary-electrophoresis
#8
Rafael R Cunha, Michelle M A C Ribeiro, Rodrigo A A Muñoz, Eduardo M Richter
Paracetamol is an active ingredient commonly found in pharmaceutical formulations in combination with one of the following compounds: codeine, orphenadrine, promethazine, scopolamine, and tramadol. In this work, we propose a unique analytical method for determination of these active ingredients in pharmaceutical samples. The method is based on capillary electrophoresis with capacitively coupled contactless conductivity detection. The separation was achieved on a fused silica capillary (50 cm total length, 40 cm effective length, and 50 μm id) using an optimized background electrolyte composed of 20 mmol L(-1) β-alanine/4 mmol L(-1) sodium chloride/4 μmol L(-1) sodium hydroxide (pH = 9...
February 20, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28217916/effects-of-allogeneic-mesenchymal-stem-cell-transplantation-in-the-treatment-of-liver-cirrhosis-caused-by-autoimmune-diseases
#9
Jun Liang, Huayong Zhang, Cheng Zhao, Dandan Wang, Xiaolei Ma, Shengnan Zhao, Shiying Wang, Lingying Niu, Lingyun Sun
AIM: There has been great interest in recent years to take advantage of mesenchymal stem cells (MSCs) to treat end-stage liver disease. This study is aimed to evaluate clinical therapeutic effects of allogeneic MSC transplantation in liver cirrhosis caused by autoimmune diseases. METHODS: The enrolled patients with liver cirrhosis were assigned to receive allogeneic MSC infusions through a peripheral vein. The primary objective of this study was to assess the safety and effectiveness of MSCT in patients with autoimmune diseases-induced cirrhosis...
February 20, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28217795/understanding-the-microscopic-binding-mechanism-of-hydroxylated-and-sulfated-polybrominated-diphenyl-ethers-with-transthyretin-by-molecular-docking-molecular-dynamics-simulations-and-binding-free-energy-calculations
#10
Huiming Cao, Yuzhen Sun, Ling Wang, Chunyan Zhao, Jianjie Fu, Aiqian Zhang
Polybrominated diphenyl ethers (PBDEs), one typical type of persistent environmental contaminant, have toxicological effects such as disrupting thyroid homeostasis in the human body. The high binding affinities of hydroxylated metabolites of PBDEs (OH-PBDEs) with transthyretin (TTR) were considered to be one major reason for their extraordinary capacity of passing through the blood-brain barrier via competitive thyroid hormone (T4) transport protein binding. Recent findings showed that sulfated PBDEs can be formed in human liver cytosol as phase-II metabolites...
February 20, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28217701/gut-microbiota-and-oxalate-homeostasis
#11
Marguerite Hatch
This perspective focuses on how the gut microbiota can impact urinary oxalate excretion in the context of hyperoxaluria, a major risk factor in kidney stone disease. In the genetic disease of Primary Hyperoxaluria Type 1 (PH1), an increased endogenous production of oxalate, due to a deficiency of the liver enzyme alanine-glyoxylate aminotransferase (AGT), results in hyperoxaluria and oxalate kidney stones. The constant elevation in urinary oxalate in PH1 patients ultimately leads to tissue deposition of oxalate, renal failure and death and the only known cure for PH1 is a liver or liver-kidney transplant...
January 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28217400/novel-plasma-biomarker-of-atenolol-induced-hyperglycemia-identified-through-a-metabolomics-genomics-integrative-approach
#12
Felipe A de Oliveira, Mohamed H Shahin, Yan Gong, Caitrin W McDonough, Amber L Beitelshees, John G Gums, Arlene B Chapman, Eric Boerwinkle, Stephen T Turner, Reginald F Frye, Oliver Fiehn, Rima Kaddurah-Daouk, Julie A Johnson, Rhonda M Cooper-DeHoff
INTRODUCTION: While atenolol is an effective antihypertensive agent, its use is also associated with adverse events including hyperglycemia and incident diabetes that may offset the benefits of blood pressure lowering. By combining metabolomic and genomic data acquired from hypertensive individuals treated with atenolol, it may be possible to better understand the pathways that most impact the development of an adverse glycemic state. OBJECTIVE: To identify biomarkers that can help predict susceptibility to blood glucose excursions during exposure to atenolol...
August 2016: Metabolomics: Open Access
https://www.readbyqxmd.com/read/28217258/antioxidant-effects-of-aqueous-extract-of-salep-on-paraquat-induced-rat-liver-injury
#13
Shekoufeh Atashpour, Hossein Kargar Jahromi, Zahra Kargar Jahromi, Sanaz Zarei
AIM: To evaluate the effects of aqueous extract of Salep on Paraquat-mediated liver injury. METHODS: In this experimental study, 56 adult male Wistar rats were divided randomly to 7 groups as control, sham, and 5 experimental groups. In control group, rats did not receive any substance during experiment. In Sham group, rats were given distilled water according to their body weight and in experimental groups, Paraquat alone and with different doses of Salep aqueous extract (40, 80, 160 and 320 mg/kg) was given intraperitoneal daily for 14 d...
February 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28216958/-1-h-nmr-based-serum-metabolomics-reveals-erythromycin-induced-liver-toxicity-in-albino-wistar-rats
#14
Atul Rawat, Durgesh Dubey, Anupam Guleria, Umesh Kumar, Amit K Keshari, Swati Chaturvedi, Anand Prakash, Sudipta Saha, Dinesh Kumar
INTRODUCTION: Erythromycin (ERY) is known to induce hepatic toxicity which mimics other liver diseases. Thus, ERY is often used to produce experimental models of drug-induced liver-toxicity. The serum metabolic profiles can be used to evaluate the liver-toxicity and to further improve the understanding of underlying mechanism. OBJECTIVE: To establish the serum metabolic patterns of Erythromycin induced hepatotoxicity in albino wistar rats using (1)H NMR based serum metabolomics...
October 2016: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/28216953/therapeutic-potential-of-alpha-ketoglutarate-against-acetaminophen-induced-hepatotoxicity-in-rats
#15
Lalita Mehra, Yasha Hasija, Gaurav Mittal
OBJECTIVE: Alpha-ketoglutarate (α-KG) is a cellular intermediary metabolite of Krebs cycle, involved in energy metabolism, amino acid synthesis, and nitrogen transport. It is available over-the-counter and marketed as a nutritional supplement. There is a growing body of evidence to suggest that dietary α-KG has the potential to maintain cellular redox status and thus can protect various oxidative stress induced disease states. The aim of the present study was to investigate the hepatoprotective role of α-KG in acetaminophen (APAP) induced toxicity in rats...
October 2016: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/28216892/antioxidant-and-hepatoprotective-potential-of-phenol-rich-fraction-of-juniperus-communis-linn-leaves
#16
Akash Ved, Amresh Gupta, Ajay Kumar Singh Rawat
BACKGROUND: Juniperus communis Linn. is an important plant in India traditional system of medicine which is widely used by different tribes in many countries. OBJECTIVE: In the present study, the antioxidant, cytotoxic and hepatoprotective activities of Juniperus communis leaves were investigated against various models. MATERIALS AND METHODS: ethanolic extract (70% v/v) of J. communis leaves was successively extracted using hexane and ethyl acetate to prepare various fractions...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28216384/novel-homozygous-pck1-mutation-causing-cytosolic-phosphoenolpyruvate-carboxykinase-deficiency-presenting-as-childhood-hypoglycemia-an-abnormal-pattern-of-urine-metabolites-and-liver-dysfunction
#17
Päivi Vieira, Jessie Cameron, Elisa Rahikkala, Riikka Keski-Filppula, Lin-Hua Zhang, Saikat Santra, Allison Matthews, Päivi Myllynen, Matti Nuutinen, Jukka S Moilanen, Richard J Rodenburg, Arndt Rolfs, Johanna Uusimaa, Clara D M van Karnebeek
Clinical and laboratory data were collected from three Finnish patients including a sibling pair and another unrelated child with unexplained childhood hypoglycemia. Transient elevation of alanine transaminase, lactate and tricarboxylic acid cycle intermediates, especially fumarate, were noticed in urine organic acid analysis. Exome sequencing was performed for the patients and their parents. A novel homozygous PCK1 c.925G>A (p.G309R) mutation was detected in all affected individuals. COS-1 cells transfected with mutant PCK1 transcripts were used to study the pathogenic nature of the detected variant...
February 6, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28215615/factors-associated-with-persistent-increase-in-level-of-alanine-aminotransferase-in-patients-with-chronic-hepatitis-b-receiving-oral-antiviral-therapy
#18
Ira M Jacobson, Mary K Washington, Maria Buti, Alexander Thompson, Nezam Afdhal, Robert Flisiak, Ulus Salih Akarca, Konstantin G Tchernev, John F Flaherty, Raul Aguilar Schall, Robert P Myers, G Mani Subramanian, John G McHutchison, Zobair Younossi, Patrick Marcellin, Keyur Patel
BACKGROUND & AIM: Despite complete suppression of viral DNA with antiviral agents, in some patients with chronic hepatitis B (CHB), serum levels of alanine aminotransferase (ALT) do not normalize. We investigated factors associated with persistent increases in level of ALT in patients with CHB given long-term tenofovir disoproxil fumarate. METHODS: We analyzed data from 471 hepatitis B e antigen (HBeAg)-positive and HBeAg-negative patients with CHB participating in 2 phase 3 trials...
February 12, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28214973/a-multifunctional-alanine-rich-anti-inflammatory-peptide-bcp61-showed-potent-inhibitory-effects-by-inhibiting-both-nf-%C3%AE%C2%BAb-and-mapk-expression
#19
Yun Hee Choi, Yoon Seok Choi, Young Kyun Kim, Md Saifur Rahman, G C Pradeep, Jin Cheol Yoo, Joo-Won Suh
The purified BCP61 was reported to be a unique low-molecular-weight (MW) anti-microbial peptide because of its non-identical alanine-rich N-terminal sequence. In this study, we investigated the anti-inflammatory effects of BCP61 on induction of inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), pro-inflammatory cytokines, nuclear factor-kappa B (NF-κB), and mitogen-activated protein kinases (MAPKs) in lipopolysaccharide (LPS)-stimulated Raw 264.7 cells. The treatment with BCP61, with varying concentrations of 10, 50, and 100 μg/mL, inhibited levels of expression of LPS-induced NF-κB and MAPKs (extracellular signal-related kinases (ERKs), c-Jun NH2-terminal kinase (JNK), and mitogen-activated protein (p38)) as well as production of pro-inflammatory mediators, such as nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6)...
February 18, 2017: Inflammation
https://www.readbyqxmd.com/read/28214689/paeoniflorin-ameliorates-cholestasis-via-regulating-hepatic-transporters-and-suppressing-inflammation-in-anit-fed-rats
#20
Yanling Zhao, Xuan He, Xiao Ma, Jianxia Wen, Pengyan Li, Jiabo Wang, Ruisheng Li, Yun Zhu, Shizhang Wei, Haotian Li, Xuelin Zhou, Kun Li, Honghong Liu, Xiaohe Xiao
Paeoniflorin has shown the obvious effect on cholestasis according to our previous research. However, its mechanism has not been absolutely explored yet. This study aims at evaluating the potential effect of paeoniflorin on alpha-naphthylisothiocyanate (ANIT) -induced cholestasis by inhibiting nuclear factor kappa-B (NF-κB) and simultaneously regulating hepatocyte transporters. Cholestasis was induced by administration of ANIT. The effect of paeoniflorin on serum indices such as total bilirubin (TBIL), direct bilirubin (DBIL), aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), γ-glutamyltranspeptidase (γ-GT), total bile acid (TBA) and histopathology of liver were determined...
February 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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