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https://www.readbyqxmd.com/read/28813453/metabolomics-reveals-that-vine-tea-ampelopsis-grossedentata-prevents-high-fat-diet-induced-metabolism-disorder-by-improving-glucose-homeostasis-in-rats
#1
Wenting Wan, Baoping Jiang, Le Sun, Lijia Xu, Peigen Xiao
BACKGROUND: Vine tea (VT), derived from Ampelopsis grossedentata (Hand.-Mazz.) W.T. Wang, is an alternative tea that has been consumed widely in south China for hundreds of years. It has been shown that drinking VT on a daily basis improves hyperlipidemia and hyperglycemia. However, little is known about the preventive functions of VT for metabolic dysregulation and the potential pathological mechanisms involved. This paper elucidates the preventive effects of VT on the dysregulation of lipid and glucose metabolism using rats maintained on a high-fat-diet (HFD) in an attempt to explain the potential mechanisms involved...
2017: PloS One
https://www.readbyqxmd.com/read/28811698/effect-of-tulsi-ocimum-sanctum-linn-supplementation-on-metabolic-parameters-and-liver-enzymes-in-young-overweight-and-obese-subjects
#2
Swayamjeet Satapathy, Namrata Das, Debapriya Bandyopadhyay, Sushil Chandra Mahapatra, Dip Sundar Sahu, Mruthyumjayarao Meda
Ocimum sanctum Linn. (also known as Tulsi) is a sacred Indian plant, the beneficial role of which, in obesity and diabetes is described traditionally. This is a randomized, parallel group, open label pilot study to investigate the effect of O. sanctum on metabolic and biochemical parameters in thirty overweight/obese subjects, divided into two groups A and B. Group A (n = 16) received one 250 mg capsule of Tulsi (O. sanctum) extract twice daily in empty stomach for 8 weeks and group B (n = 14) received no intervention...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28811694/estimation-of-upper-limit-of-normal-for-serum-alanine-transaminase-in-healthy-south-indian-population
#3
Pazhanivel Mohan, Varun Sundar, Emmanuel Bhaskar, Syluvai Anthony
Alanine aminotransferase (ALT) is the most common and cost effective screening test for asymptomatic liver disease. There is paucity of data on normal ALT among healthy individuals in India. An observational cross sectional study was conducted from January to July 2013 to estimate the upper limit of normal for ALT in healthy south Indian population. Adults undergoing voluntary or pre-employment health screening were included. Those with current and past alcoholism or smoking, acute illness or hospitalization during preceding 12 months, non-steroidal anti-inflammatory or over the counter medication use within a month, current or past intake of herbal medications, any chronic medical illness, abnormal body mass index (BMI), fatty liver in ultrasound, abnormality in haemoglobin, platelet count, blood sugar, creatinine, lipid profile and thyroid function test and positive serology (Hepatitis B, C or HIV) were excluded...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28811018/direct-coupling-of-electromembrane-extraction-to-mass-spectrometry-advancing-the-probe-functionality-toward-measurements-of-zwitterionic-drug-metabolites
#4
Torstein Kige Rye, David Fuchs, Stig Pedersen-Bjergaard, Nickolaj Jacob Petersen
A triple-flow electromembrane extraction (EME) probe was developed and coupled directly to electrospray-ionization mass spectrometry (ESI-MS). Metabolic reaction mixtures (pH 7.4) containing drug substances and related metabolites were continuously drawn (20 μL/min) into the EME probe in one flow channel, and mixed inside the probe with 7.5 μL min(-1) of 1 M formic acid as make-up flow from a second flow channel. Following this acidification, the drug substances and their related metabolites were continuously extracted by EME at 400 V, across a supported liquid membrane (SLM) comprising 2-nitrophenyl octyl ether (and for some experiments containing 30% triphenyl phosphate (TPP)), and into 20 μL min(-1) of formic acid as acceptor phase, which was introduced through a third flow channel...
August 29, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28810632/a-novel-antitumor-compound-nobiliside-d-isolated-from-sea-cucumber-holothuria-nobilis-selenka
#5
Jia-Jia Zhang, Ke-Qi Zhu
An anticancer compound, triterpene glycoside, was isolated from Holothuria nobilis Selenka. Its chemical structure and configuration were determined by two-dimensional nuclear magnetic resonance spectroscopy and electrospray ionization mass spectrometry. The novel active compound was identified as nobiliside D, with the molecular formula C40H61O17SNa and chemical name 3-O-[-β-D-pyranosyl (1-2)-4'-O-sulfon-ate-β-D-xylopyranosyl]-alkoxy-9-ene-3β, 12α, 17α, 25β-4 alcohol. An antitumor test was performed using xCELLigence Real-Time Cell Analysis...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810615/detecting-serum-and-urine-metabolic-profile-changes-of-ccl4-liver-fibrosis-in-rats-at-12-weeks-based-on-gas-chromatography-mass-spectrometry
#6
Jiarong Gao, Xiu-Juan Qin, Hui Jiang, Jin-Feng Chen, Ting Wang, Ting Zhang, Shuang-Zhi Xu, Jun-Mei Song
Liver fibrosis is caused by liver injury induced by a number of chronic liver diseases, including schistosome infection, hepatitis infection, metabolic disease, alcoholism and cholestasis. The tissue damage occurring after injury or inflammation of the liver is a reversible lesion; however, liver fibrosis has become a worldwide problem and poses a threat to human health. The development of an effective drug for the prevention and treatment of liver fibrosis is ongoing and uses information from different occurrences of liver fibrosis...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28809726/clinical-and-laboratory-associations-with-persistent-hyperferritinemia-in-373-black-hemochromatosis-and-iron-overload-screening-study-participants
#7
James C Barton, J Clayborn Barton, Paul C Adams
BACKGROUND: 373 black participants had elevated screening and post-screening serum ferritin (SF) (> 300 μg/L men; > 200 μg/L women). MATERIAL AND METHODS: We retrospectively studied SF and post-screening age; sex; body mass index; transferrin saturation (TS); ALT; AST; GGT; elevated C-reactive protein; ß-thalassemia; neutrophils; lymphocytes; monocytes; platelets; metacarpophalangeal joint hypertrophy; hepatomegaly; splenomegaly; diabetes; HFE H63D positivity; iron/alcohol intakes; and blood/erythrocyte transfusion units...
August 8, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28808803/a-prototype-educational-model-for-hepatobiliary-interventions-unveiling-the-role-of-graphic-designers-in-medical-3d-printing
#8
Ramin Javan, Merissa N Zeman
In the context of medical three-dimensional (3D) printing, in addition to 3D reconstruction from cross-sectional imaging, graphic design plays a role in developing and/or enhancing 3D-printed models. A custom prototype modular 3D model of the liver was graphically designed depicting segmental anatomy of the parenchyma containing color-coded hepatic vasculature and biliary tree. Subsequently, 3D printing was performed using transparent resin for the surface of the liver and polyamide material to develop hollow internal structures that allow for passage of catheters and wires...
August 14, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28807340/unusual-locations-of-hydatid-disease-a-10-year-experience-from-a-tertiary-reference-center-in-western-turkey
#9
Eylul Gun, Demet Etit, Dilara O Buyuktalanci, Fulya Cakalagaoglu
INTRODUCTION: Hydatid disease is an endemic parasitic infection caused by Echinococcus granulosus mostly seen in the Mediterranean countries. The most affected organ is the liver, however hydatidosis can be found anywhere in the human body. METHODS: The records of patients who were diagnosed with hydatid disease in our hospital from December 2005 to February 2016 were analyzed retrospectively. The cases were evaluated and recorded depending on their gender, age and the localization of the cysts...
August 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28807032/liquid-chromatography-mass-spectrometry-based-profiling-of-phosphatidylcholine-and-phosphatidylethanolamine-in-the-plasma-and-liver-of-acetaminophen-induced-liver-injured-mice
#10
Ya-Nan Ming, Jing-Yi Zhang, Xiao-Lin Wang, Chun-Min Li, Si-Cong Ma, Zheng-Yang Wang, Xiao-Lin Liu, Xiao-Bo Li, Yi-Min Mao
BACKGROUND: Acetaminophen (APAP) overdose is one of the most common causes of acute liver failure in many countries. The aim of the study was to describe the profiling of phosphatidylcholine (PC) and phosphatidylethanolamine (PE) in the plasma and liver of Acetaminophen -induced liver injured mice. METHODS: A time course study was carried out using C57BL/6 mice after intraperitoneal administration of 300 mg/kg Acetaminophen 1 h, 3 h, 6 h, 12 h and 24 h. A high-throughput liquid chromatography mass spectrometry (LC-MS) lipidomic method was utilized to detect phosphatidylcholine and phosphatidylethanolamine species in the plasma and liver...
August 14, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28806675/biotransformation-of-nsaids-by-pig-liver-microsomes-in%C3%A2-vitro-kinetics-metabolites-identification-and-toxicity-prediction
#11
Liyun Ma, Xiaojing Mao, Xiao Sun, Li Xu
Non-steroidal anti-inflammatory drugs (NSAIDs) are one of the most frequently used pharmaceuticals in animals. In the current study, the biotransformation of five NSAIDs by pig liver microsomes (PLMs) was studied. The pseudo-first-order kinetics mode was obtained for the metabolization of the studied NSAIDs by PLMs in vitro. The metabolites were identified by high performance liquid chromatography with a high-resolution LTQ-Orbitrap mass spectrometry. The hydroxylation of benzene was confirmed to be the dominating metabolic pathway...
August 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28806601/influence-of-sublethal-doses-of-acetamiprid-and-halosulfuron-methyl-on-metabolites-of-zebra-fish-brachydanio-rerio
#12
Hong Zhang, Lijuan Zhao
Acetamiprid, a neonicotinoid pesticide, is reported to have adverse sublethal effects on non-target beneficial organisms. Halosulfuron-methyl (HM), one of the most widely used herbicides in agriculture, has high ecotoxicity to aquatic plants and animals. In this study, a GC-MS-based metabolomics approach was used to investigate the toxicity of acetamiprid and HM. The Automated Mass Spectral Deconvolution and Identification System (AMDIS) software program and the retention index method were used to identify 51 metabolites in zebra fish (Brachydanio rerio)...
August 4, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28806318/computed-tomography-image-quality-evaluation-of-a-new-iterative-reconstruction-algorithm-in-the-abdomen-adaptive-statistical-iterative-reconstruction-v-a-comparison-with-model-based-iterative-reconstruction-adaptive-statistical-iterative-reconstruction-and
#13
Martin H Goodenberger, Nicolaus A Wagner-Bartak, Shiva Gupta, Xinming Liu, Ramon Q Yap, Jia Sun, Eric P Tamm, Corey T Jensen
OBJECTIVE: The purpose of this study was to compare abdominopelvic computed tomography images reconstructed with adaptive statistical iterative reconstruction-V (ASIR-V) with model-based iterative reconstruction (Veo 3.0), ASIR, and filtered back projection (FBP). METHODS AND MATERIALS: Abdominopelvic computed tomography scans for 36 patients (26 males and 10 females) were reconstructed using FBP, ASIR (80%), Veo 3.0, and ASIR-V (30%, 60%, 90%). Mean ± SD patient age was 32 ± 10 years with mean ± SD body mass index of 26...
August 12, 2017: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/28805979/effects-of-mtor-inhibition-on-cardiac-and-adipose-tissue-pathology-and-glucose-metabolism-in-rats-with-metabolic-syndrome
#14
Ayako Uchinaka, Mamoru Yoneda, Yuichiro Yamada, Toyoaki Murohara, Kohzo Nagata
The mammalian target of rapamycin (mTOR) is a regulator of metabolism and is implicated in pathological conditions such as obesity and diabetes. We aimed to investigate the role of mTOR in obesity. A new animal model of metabolic syndrome (MetS), named DahlS.Z-Lepr(fa) /Lepr(fa) (DS/obese) rats was established previously in our laboratory. In this study, we used this model to evaluate the effects of mTOR inhibition on cardiac and adipose tissue pathology and glucose metabolism. DS/obese rats were treated with the mTOR inhibitor, everolimus, (0...
August 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28805685/re-adaption-on-earth-after-spaceflights-affects-the-mouse-liver-proteome
#15
Viktoria Anselm, Svetlana Novikova, Victor Zgoda
Harsh environmental conditions including microgravity and radiation during prolonged spaceflights are known to alter hepatic metabolism. Our studies have focused on the analysis of possible changes in metabolic pathways in the livers of mice from spaceflight project "Bion-M 1". Mice experienced 30 days of spaceflight with and without an additional re-adaption period of seven days compared to control mice on Earth. To investigate mice livers we have performed proteomic profiling utilizing shotgun mass spectrometry followed by label-free quantification...
August 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28804911/chronic-ethanol-metabolism-inhibits-hepatic-mitochondrial-superoxide-dismutase-via-lysine-acetylation
#16
Mohammed A Assiri, Samantha R Roy, Peter S Harris, Hadi Ali, Yongliang Liang, Colin T Shearn, David J Orlicky, James R Roede, Matthew D Hirschey, Donald S Backos, Kristofer S Fritz
BACKGROUND: Chronic ethanol consumption is a major cause of liver disease worldwide. Oxidative stress is a known consequence of ethanol metabolism and is thought to contribute significantly to alcoholic liver disease (ALD). Therefore, elucidating pathways leading to sustained oxidative stress and downstream redox imbalances may reveal how ethanol consumption leads to ALD. Recent studies suggest that ethanol metabolism impacts mitochondrial antioxidant processes through a number of proteomic alterations, including hyperacetylation of key antioxidant proteins...
August 14, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28803056/analysis-of-microcystin-lr-and-nodularin-using-triple-quad-liquid-chromatography-tandem-mass-spectrometry-and-histopathology-in-experimental-fish
#17
Daljit Vudathala, Stephen Smith, Lester Khoo, David D Kuhn, Mary E Mainous, James Steadman, Lisa Murphy
Microcystins (MCs) are hepatotoxic cyanobacterial metabolites produced sporadically in aquatic environments under favorable environmental conditions. Affinity of these toxins to covalently bind with protein phosphatases poses a challenge in their detection. Lemieux oxidation to release 2-methyl-3-methoxy-4-phenylbutyric acid (MMPB), a common moiety to all MCs congeners, has been used in detection of these compounds, however a lack of sensitivity has limited the usefulness of the method. In this study, modifications of the oxidation and solid phase extraction procedures, combined with a sensitive LC/MS/MS (liquid chromatography/mass spectrometry) detection, have resulted in 25 ng/g method detection limits in both liver and plasma samples...
August 10, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28802640/nonalcoholic-fatty-liver-disease-associated-with-metabolic-syndrome-influence-of-liver-fibrosis-stages-on-characteristics-of-very-low-density-lipoproteins
#18
Diego Lucero, Verónica Miksztowicz, Gisela Gualano, Cristina Longo, Graciela Landeira, Estela Álvarez, Valeria Zago, Fernando Brites, Gabriela Berg, Eduardo Fassio, Laura Schreier
BACKGROUND: We evaluated possible changes in VLDLcharacteristics, and metabolic related factors, in MetS-associated NAFLD and accompanying liver fibrosis. METHODS: We studied 36 MetS patients with biopsy-proven NAFLD (MetS+NAFLD) and 24 MetS without ultrasound NAFLD evidence. Further, MetS+NAFLD was sub-divided according to fibrosis stage into, non-to-moderate (F0-F2, n=27) and severe (F3-F4, n=9) fibrosis. We measured: lipid profile, VLDL composition and size (size exclusion-HPLC), CETP and lipoprotein lipase (LPL) activities and adiponectin...
August 9, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28801939/assessment-of-advanced-hepatic-mr-elastography-methods-for-susceptibility-artifact-suppression-in-clinical-patients
#19
Jin Wang, Kevin J Glaser, Tianhui Zhang, Qungang Shan, Bingjun He, Jun Chen, Meng Yin, Bogdan Dzyubak, Jennifer L Kugel, Scott A Kruse, Roger C Grimm, Sudhakar K Venkatesh, Richard L Ehman
PURPOSE: To assess the success rate, image quality, and the ability to stage liver fibrosis of a standard 2D gradient-recalled echo (GRE) and four different spin-echo (SE) magnetic resonance elastography (MRE) sequences in patients with different liver iron concentrations. MATERIALS AND METHODS: A total of 332 patients who underwent 3T MRE examinations that included liver fat and iron quantification were enrolled, including 136 patients with all five MRE techniques...
August 11, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28801923/sensitive-liquid-chromatography-tandem-mass-spectrometry-method-for-the-determination-of-two-novel-highly-lipophilic-anti-cancer-drug-candidates-in-rat-plasma-and-tissues
#20
Shirin Hooshfar, Michael R Linzey, Daqing Wu, Lajos Gera, Kenza Mamouni, Xin Li, Yanhua Chen, Yang Yang, Oluwasegun Olorunyolemi, Michael G Bartlett
A simple and sensitive liquid chromatography/electrospray ionization tandem mass spectrometry (LC-ESI-MS/MS) method was developed and validated for determination of two highly lipophilic anti-cancer drug candidates, LG1980, and GH501, in rat plasma and tissues (liver, kidney and femur bones). LG1980 and GH501 were extracted from rat plasma and tissue homogenates using liquid-liquid extraction. The method provided a linear range of 1.0-200.0 ng/mL for GH501 in plasma and LG1980 in plasma and liver. For both analytes in other tissue homogenates the linear range was 2...
August 12, 2017: Biomedical Chromatography: BMC
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