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https://www.readbyqxmd.com/read/29147990/assessment-of-the-effect-of-once-daily-nitisinone-therapy-on-24-h-urinary-metadrenalines-and-5-hydroxyindole-acetic-acid-excretion-in-patients-with-alkaptonuria-after-4-weeks-of-treatment
#1
A S Davison, B Norman, A M Milan, A T Hughes, M Khedr, J Rovensky, J A Gallagher, L R Ranganath
BACKGROUND: One of the major metabolic consequences of using nitisinone to treat patients with alkaptonuria is that circulating tyrosine concentrations increase. As tyrosine is required for the biosynthesis of catecholamine neurotransmitters, it is possible that their metabolism is altered as a consequence. Herein we report the 24-h urinary excretion of normetadrenaline (NMA), metadrenaline (MA), 3-methoxytyramine (3-MT) (catecholamine metabolites) and 5-hydroxyindole acetic acid (5-HIAA, metabolite of serotonin) in a cohort of AKU patients before and after a 4-week treatment trial with nitisinone...
November 17, 2017: JIMD Reports
https://www.readbyqxmd.com/read/29147133/allopurinol-in-combination-with-thiopurine-induces-mucosal-healing-and-improves-clinical-and-metabolic-outcomes-in-ibd
#2
Brigitte Moreau, Pierre Clement, Yves Theoret, Ernest G Seidman
Background: Thiopurines, azathioprine (AZA) and 6-mercaptopurine (6-MP) are common maintenance medications for inflammatory bowel disease (IBD). Excessive methylation via thiopurine methyltransferase (TPMT) frequently causes therapeutic failure. Allopurinol reduces excessive 6-methyl-mercaptopurine (6-MMP) while enhancing 6-thioguanine (6-TGN) levels. The aim of this study was to evaluate clinical, metabolic and endoscopic impact of allopurinol in combination with low-dose thiopurine in IBD...
November 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29147129/the-effect-of-exercise-training-on-upregulation-of-molecular-markers-of-bile-acid-metabolism-in-the-liver-of-ovariectomized-rats-fed-a-cholesterol-rich-diet
#3
Zahra Farahnak, Luciane Magri Tomaz, Raynald Bergeron, Natalie Chapados, Jean-Marc Lavoie
BACKGROUND: Small heterodimer partner (SHP) is an important transcriptional factor involved in the regulation of glucose, lipid, and bile acid metabolism in the liver. SHP has been reported to be down-regulated in ovariectomized (Ovx) mice and up-regulated by estrogens suggesting a link between estrogens and SHP. The aim of the present study was to determine the effects of exercise training on SHP and key molecular markers of cholesterol and bile acid homeostasis in Ovx rats under cholesterol feeding...
July 2017: ARYA Atherosclerosis
https://www.readbyqxmd.com/read/29146481/central-obesity-is-the-key-component-in-the-association-of-metabolic-syndrome-with-left-ventricular-global-longitudinal-strain-impairment
#4
Wilson Cañon-Montañez, Angela B S Santos, Lisandra A Nunes, Julio C G Pires, Claudia M V Freire, Antonio L P Ribeiro, José G Mill, Marina Bessel, Bruce B Duncan, Maria Inês Schmidt, Murilo Foppa
INTRODUCTION AND OBJECTIVES: Subclinical systolic dysfunction is one of the proposed mechanisms for increased cardiovascular risk associated with metabolic syndrome (MS). This study investigated the association between MS and impaired left ventricular global longitudinal strain (GLS) and the role of each MS criteria in this association. METHODS: We analyzed a random sample of the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil) after excluding participants with prevalent heart disease...
November 13, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29146463/age-dependent-in-vitro-metabolism-of-bifenthrin-in-rat-and-human-hepatic-microsomes
#5
Gopinath C Nallani, Appavu Chandrasekaran, Kelem Kassahun, Li Shen, Shaaban F ElNaggar, Zhiwei Liu
Bifenthrin, a pyrethroid insecticide, undergoes oxidative metabolism leading to the formation of 4'-hydroxy-bifenthrin (4'-OH-BIF) and hydrolysis leading to the formation of TFP acid in rat and human hepatic microsomes. In this study, age-dependent metabolism of bifenthrin in rats and humans were determined via the rates of formation of 4'-OH-BIF and TFP acid following incubation of bifenthrin in juvenile and adult rat (PND 15 and PND 90) and human (<5years and >18years) liver microsomes. Furthermore, in vitro hepatic intrinsic clearance (CLint) of bifenthrin was determined by substrate consumption method in a separate experiment...
November 13, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29144182/plasma-lyte-148-vs-hartmann-s-solution-for-cardiopulmonary-bypass-pump-prime-a-prospective-double-blind-randomized-trial
#6
Laurence Weinberg, Elizabeth Chiam, James Hooper, Frank Liskaser, Angela Kim Hawkins, Denise Massie, Andrew Ellis, Chong O Tan, David Story, Rinaldo Bellomo
BACKGROUND: The mechanisms of acid-base changes during cardiopulmonary bypass (CPB) remain unclear. We tested the hypothesis that, when used as CPB pump prime solutions, Plasma-Lyte 148 (PL) and Hartmann's solution (HS) have differential mechanisms of action in their contribution to acid-base changes. METHODS: We performed a prospective, double-blind, randomized trial in adult patients undergoing elective cardiac surgery with CPB. Participants received a CPB prime solution of 2000 mL, with either PL or HS...
November 1, 2017: Perfusion
https://www.readbyqxmd.com/read/29143605/impact-of-the-7-bp-deletion-in-hvga20ox2-gene-on-agronomic-important-traits-in-barley-hordeum-vulgare-l
#7
Serafima Teplyakova, Marina Lebedeva, Nadezhda Ivanova, Valentina Horeva, Nina Voytsutskaya, Olga Kovaleva, Elena Potokina
BACKGROUND: Alike to Reduced height-1 (Rht-1) genes in wheat and the semi dwarfing (sd-1) gene in rice, the sdw1/denso locus involved in the metabolism of the GA, was designated as the 'Green Revolution' gene in barley. The recent molecular characterization of the candidate gene HvGA20ox2 for sdw1/denso locus allows to estimate the impact of the functional polymorphism of this gene on the variation of agronomically important traits in barley. RESULTS: We investigated the effect of the 7-bp deletion in exon 1 of HvGA20ox2 gene (sdw1...
November 14, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29142420/exploring-the-cytotoxic-potential-of-triterpenoids-enriched-fraction-of-bacopa-monnieri-by-implementing-in-vitro-in-vivo-and-in-silico-approaches
#8
Md Nasar Mallick, Washim Khan, Rabea Parveen, Sayeed Ahmad, Sadaf, Mohammad Zeeshan Najm, Istaq Ahmad, Syed Akhtar Husain
Background: Bacopa monnieri (BM) is a herbaceous plant traditionally used from time immemorial in Ayurvedic and folklore medicines. We hypothesized that the extract of the whole plant might contain numerous molecules with having antitumor activities that could be very effective in killing of human cancer cells. Objectives: This work investigated anticancer activity of bioactive fraction of BM. Materials and Methods: The hydroalcoholic extract of BM was fractionated with different solvent, namely, hexane, dichloromethane (DCM), acetone, methanol, and water...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29141072/association-of-cetp-gene-variants-with-risk-for-vascular-and-nonvascular-diseases-among-chinese-adults
#9
Iona Y Millwood, Derrick A Bennett, Michael V Holmes, Ruth Boxall, Yu Guo, Zheng Bian, Ling Yang, Sam Sansome, Yiping Chen, Huaidong Du, Canqing Yu, Alex Hacker, Dermot F Reilly, Yunlong Tan, Michael R Hill, Junshi Chen, Richard Peto, Hongbing Shen, Rory Collins, Robert Clarke, Liming Li, Robin G Walters, Zhengming Chen
Importance: Increasing levels of high-density lipoprotein (HDL) cholesterol through pharmacologic inhibition of cholesteryl ester transfer protein (CETP) is a potentially important strategy for prevention and treatment of cardiovascular disease (CVD). Objective: To use genetic variants in the CETP gene to assess potential risks and benefits of lifelong lower CETP activity on CVD and other outcomes. Design, Setting, and Participants: This prospective biobank study included 151 217 individuals aged 30 to 79 years who were enrolled from 5 urban and 5 rural areas of China from June 25, 2004, through July 15, 2008...
November 15, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/29140154/no-difference-in-young-adult-athletes-resting-energy-expenditure-when-measured-under-inpatient-or-outpatient-conditions
#10
Julia L Bone, Louise M Burke
Low energy availability can place athletes at increased risk of injury and illness and can be detected by a low metabolic rate. The lowest metabolic rate is captured at the bedside, after an overnight fast and termed inpatient REE. Measurements done in a laboratory with a shorter overnight fast are termed outpatient REE. Although important to know what the lowest energy expenditure, a bedside measure and/or 12 h fast is not always practical or logistically possible particularly when you take into account an athlete's training schedule...
November 15, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29136753/-metabolomics-study-of-tris-2-chloroethyl-phosphate-induced-hepaotoxicity-and-nephrotoxicity-in-sprague-dawley-rats
#11
W Q Yang, F Zhao, L Li, Y J Fang
Objective: To discuss the potential toxic target organ and the toxic effects and mechanisms of tris (2-chloroethyl) phosphate (TCEP) on SD rats. Methods: 40 female SD rats weaning from milk for 21 days, weighted (50±2.3)g were selected as subjects and marked by the weight. They were randomly divided into 4 groups, namely control group, 50 (L), 100 (M) and 250 (H) mg·kg(-1)·d(-1) dose of TCEP group. Each group has 10 rats, and administrated the corresponding dose of drug or vehicle by mouth, quaque die for 60 days...
November 6, 2017: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29133343/clinical-and-histologic-characterization-of-nonalcoholic-steatohepatitis-in-african-american-patients
#12
Fernando Bril, Paola Portillo-Sanchez, I-Chia Liu, Srilaxmi Kalavalapalli, Kristin Dayton, Kenneth Cusi
OBJECTIVE: There has been a widespread misconception among physicians that African Americans are protected from developing nonalcoholic steatohepatitis (NASH). However, a formal histologic and metabolic comparison against well-matched Caucasians has never been performed. RESEARCH DESIGN AND METHODS: Sixty-seven African American patients were matched 2:1 to Caucasians (n = 134) for age, sex, BMI, hemoglobin A1c, and prevalence of type 2 diabetes mellitus (T2DM). Screening for NASH included measurement of intrahepatic triglyceride content by proton MRS ((1)H-MRS), followed by a liver biopsy if patients had hepatic steatosis...
November 13, 2017: Diabetes Care
https://www.readbyqxmd.com/read/29132024/a-hilic-uhplc-ms-ms-untargeted-urinary-metabonomics-combined-with-quantitative-analysis-of-five-polar-biomarkers-on-osteoporosis-rats-after-oral-administration-of-gushudan
#13
Xiao Wu, Yue Huang, Jinghan Sun, Yongqing Wen, Feng Qin, Longshan Zhao, Zhili Xiong
A HILIC-UHPLC-MS/MS untargeted urinary metabonomic method combined with quantitative analysis of five potential polar biomarkers in rat urine was developed and validated, to further understand the anti-osteoporosis effect of Gushudan(GSD) and its mechanism on prednisolone-induced osteoporosis(OP) rats in this study. The metabolites were separated and identified on Waters BEH HILIC (2.1mm×100mm, 1.7μm) column using the Waters ACQUITY™ ultra performance liquid chromatography system (Waters Corporation, Milford, USA) coupled with a Micromass Quattro Micro™ API mass spectrometer (Waters Corp, Milford, MA, USA)...
October 6, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29131125/splanchnic-cerebral-oxygenation-ratio-decreases-during-enteral-feedings-in-anemic-preterm-infants-observations-under-near-infrared-spectroscopy
#14
Katherine Braski, Kimberlee Weaver-Lewis, Manndi Loertscher, Qian Ding, Xiaoming Sheng, Mariana Baserga
BACKGROUND: Anemia is common in premature infants. Due to risks with red blood cell transfusions, many anemic infants are not transfused. The implications of this pathophysiologic status, especially at times of increased metabolic demand (enteral feedings), is not well understood. Near-infrared spectroscopy (NIRS) allows for the noninvasive determination of regional oxygen saturations (rSO2) in tissues such as the brain and mesentery, giving insight into their oxygen sufficiency. OBJECTIVE: We tested the hypothesis that during enteral feedings very low birth weight (VLBW) infants with a hematocrit ≤28% will experience a decrease in splanchnic rSO2 and splanchnic-cerebral oxygenation ratio (SCOR)...
November 8, 2017: Neonatology
https://www.readbyqxmd.com/read/29130706/androgen-receptor-gene-polymorphisms-and-maximal-fat-oxidation-in-healthy-men-a-longitudinal-study
#15
Jesús Gustavo Ponce González, Amelia Guadalupe-Grau, Francisco Germán Rodríguez-González, Rafael Torres-Peralta, David Morales-Alamo, Lorena Rodríguez-García, Bonifacio Nicolás Díaz-Chico, José Antonio López Calbet, Cecilia Dorado
INTRODUCTION: Androgens play a major role in fat oxidation; however, the effects of androgens depend, among other factors, on the intrinsic characteristics of the androgen receptor (AR). Lower repetitions of CAG and GGN polymorphism appear to have a protective effect on fat accumulation in the transition from adolescent to mid-twenties. Whether a similar protective effect is present later in life remains unknown. The aims of this study were: a) to evaluate if extreme CAG and GGN repeat polymorphisms of the androgen receptors influence body fat mass, its regional distribution, resting metabolic rate (RMR), maximal fat oxidation capacity (MFO) and serum leptin, free testosterone and osteocalcin in healthy adult men; and b) to determine the longitudinal effects on fat tissue accumulation after 6...
October 24, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29129471/higher-intake-of-fish-and-fat-is-associated-with-lower-plasma-s-adenosylhomocysteine-a-cross-sectional-study
#16
Mads V Lind, Lotte Lauritzen, Oluf Pedersen, Henrik Vestergaard, Ken D Stark, Torben Hansen, Alastair B Ross, Mette Kristensen
Several B-vitamins act as co-factors in one-carbon metabolism, a pathway that plays a central role in several chronic diseases. However, there is a lack of knowledge of how diet affects markers in one-carbon metabolism. The aim of this study was to explore dietary patterns and components associated with one-carbon metabolites. We hypothesized that intake of whole-grains and fish would be associated with lower Hcy, and higher SAM:SAH ratio due to their nutrient content. We assessed dietary information using a four-day dietary record in 118 men and women with features of the metabolic syndrome...
October 2, 2017: Nutrition Research
https://www.readbyqxmd.com/read/29128227/genome-wide-association-study-for-ketosis-in-us-jerseys-using-producer-recorded-data
#17
K L Parker Gaddis, J H Megonigal, J S Clay, C W Wolfe
Ketosis is one of the most frequently reported metabolic health events in dairy herds. Several genetic analyses of ketosis in dairy cattle have been conducted; however, few have focused specifically on Jersey cattle. The objectives of this research included estimating variance components for susceptibility to ketosis and identification of genomic regions associated with ketosis in Jersey cattle. Voluntary producer-recorded health event data related to ketosis were available from Dairy Records Management Systems (Raleigh, NC)...
November 8, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29126414/high-density-lipoprotein-cholesterol-efflux-capacity-is-inversely-associated-with-cardiovascular-risk-a-systematic-review-and-meta-analysis
#18
Chengfeng Qiu, Xiang Zhao, Quan Zhou, Zhen Zhang
BACKGROUND: A low plasma level of high-density lipoprotein (HDL) cholesterol (HDL-C) is associated with cardiovascular risk. A key cardioprotective property of HDL is cholesterol efflux capacity (CEC), the ability of HDL to accept cholesterol from macrophages. In this study, we aimed to identify the predictive value of CEC for cardiovascular risk. METHODS: The relative risks (RRs) and 95% confidence intervals (CIs) were pooled to analyze the association between CEC and the incidence of cardiovascular events and all-cause mortality...
November 10, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/29124666/study-design-and-evaluation-of-risk-minimization-measures-a-review-of-studies-submitted-to-the-european-medicines-agency-for-cardiovascular-endocrinology-and-metabolic-drugs
#19
Giampiero Mazzaglia, Sabine M J Straus, Peter Arlett, Daniela da Silva, Heidi Janssen, June Raine, Enrica Alteri
INTRODUCTION: Studies measuring the effectiveness of risk minimization measures (RMMs) submitted by pharmaceutical companies to the European Medicines Agency are part of the post-authorization regulatory requirements and represent an important source of data covering a range of medicinal products and safety-related issues. Their objectives, design, and the associated regulatory outcomes were reviewed, and conclusions were drawn that may support future progress in risk minimization evaluation...
November 9, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/29122540/bone-abnormalities-in-young-male-rats-with-iron-intervention-and-possible-mechanisms
#20
Yanqin Li, Bin Bai, Yaohui Zhang
Studies suggest iron overload may cause bone lesion. The mechanisms are not well understood at present. Therefore, this study was designed to observe the effect of iron overload on bone metabolism in young male rats and explore its possible mechanism. Eighteen SD rats were randomly assigned to iron-loading and control groups. Fe-dextran (250 mg/kg of body weight) was injected intraperitoneally into the rats from iron-loading group, every other day for 5 weeks. The bone mineral density (BMD) of femur, length and diameter of tibia, and histological microstructure of femur and vertebra was determined...
November 6, 2017: Chemico-biological Interactions
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