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https://www.readbyqxmd.com/read/28808834/biochemical-and-behavioral-phenotype-of-agat-and-gamt-deficient-mice-following-long-term-creatine-monohydrate-supplementation
#1
Furhan Iqbal, Herald Hoeger, Gurt Lubec, Olaf Bodamer
The creatine/phosphocreatine system is essential for cellular phosphate coupled energy storage and production. We investigated the utility of creatine monohydrate supplementation in two different creatine deficient knockout mouse models. Following weaning, female Arginine: Glycine Amidinotransferase (AGAT) and Guanidinoacetate: methyltransferase (GAMT) knockouts and wild type mice were studied based on their genotypes and dietary supplementation (creatine free or 2% creatine monohydrate supplemented diet) for 10 weeks, using a series of behavioral tests and biochemical analyzes...
August 14, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28806421/the-effect-of-fe2o3-crystal-phases-on-co2-hydrogenation
#2
Wensheng Ning, Tianqi Wang, Hongxian Chen, Xiazhen Yang, Yangfu Jin
The effect of Fe2O3 crystal phases on their performance in CO2 hydrogenation was studied. α-Fe2O3 crystal was prepared by precipitation method from Fe(NO3)3·9H2O and (NH4)2CO3, and γ-Fe2O3 was prepared by grinding Fe(NO3)3·9H2O and L(+)-Tartaric acid in agate mortar completely. The crystal phases of Fe2O3 influence the distribution of promoter Zn, K and Cu on catalysts. The dispersity of K on γ-Fe2O3 surface is higher than α-Fe2O3. On the contrary, Cu and Zn are more dispersive on α-Fe2O3 surface than γ-Fe2O3...
2017: PloS One
https://www.readbyqxmd.com/read/28799940/experimental-study-on-treating-agate-dyeing-wastewater-with-sulfate-reducing-bacteria-strengthening-peanut-shells-and-scrap-iron
#3
Junzhen Di, Mingxin Wang
To solve the problems of high concentrations of Cr(6+), SO4(2-) and H(+) in agate dyeing industrial wastewater and heavy pollution and high treating cost, single-factor and orthogonal experiments were conducted to determine the optimum particle size, the ratio of adsorbents dosing and hydraulic retention time based on peanut shells and scrap iron. Experiments, using five dynamic columns filled with the peanut shells, scrap iron and sulfate-reducing bacteria (SRB), were also conducted to determine the effect and mechanism of treating the wastewater...
August 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28790042/multicentre-randomised-controlled-trial-to-investigate-the-usefulness-of-continuous-pneumatic-regulation-of-tracheal-cuff-pressure-for-reducing-ventilator-associated-pneumonia-in-mechanically-ventilated-severe-trauma-patients-the-agate-study-protocol
#4
Nicolas Marjanovic, Denis Frasca, Karim Asehnoune, Catherine Paugam, Sigismond Lasocki, Carole Ichai, Jean-Yves Lefrant, Marc Leone, Claire Dahyot-Fizelier, Julien Pottecher, Dominique Falcon, Benoit Veber, Jean-Michel Constantin, Sabrina Seguin, Jérémy Guénézan, Olivier Mimoz
INTRODUCTION: Severe trauma represents the leading cause of mortality worldwide. While 80% of deaths occur within the first 24 hours after trauma, 20% occur later and are mainly due to healthcare-associated infections, including ventilator-associated pneumonia (VAP). Preventing underinflation of the tracheal cuff is recommended to reduce microaspiration, which plays a major role in the pathogenesis of VAP. Automatic devices facilitate the regulation of tracheal cuff pressure, and their implementation has the potential to reduce VAP...
August 7, 2017: BMJ Open
https://www.readbyqxmd.com/read/28707679/anaplastic-thyroid-carcinoma-from-clinicopathology-to-genetics-and-advanced-therapies
#5
REVIEW
Eleonora Molinaro, Cristina Romei, Agnese Biagini, Elena Sabini, Laura Agate, Salvatore Mazzeo, Gabriele Materazzi, Stefano Sellari-Franceschini, Alessandro Ribechini, Liborio Torregrossa, Fulvio Basolo, Paolo Vitti, Rossella Elisei
Anaplastic thyroid carcinoma (ATC) is a rare malignancy, accounting for 1-2% of all thyroid cancers. Although rare, ATC accounts for the majority of deaths from thyroid carcinoma. ATC often originates in a pre-existing thyroid cancer lesion, as suggested by the simultaneous presence of areas of differentiated or poorly differentiated thyroid carcinoma. ATC is characterized by the accumulation of several oncogenic alterations, and studies have shown that an increased number of oncogenic alterations equates to an increased level of dedifferentiation and aggressiveness...
July 14, 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/28480320/data-of-10-ssr-markers-for-genomes-of-homo-sapiens-and-monkeys
#6
K K V V V S Reddy, S Viswanadha Raju, Chinta Someswara Rao
In this data, we present 10 Simple Sequence Repeat(SSR) markers TAGA, TCAT, GAAT, AGAT, AGAA, GATA, TATC, CTTT, TCTG and TCTA which are extracted from the genomes of homo sapiens and monkeys using string matching mechanism [1]. All loci showed 4 Base Pair(bp) in allele size, indicating that there are some polymorphisms between individuals correlating to the number of SSR repeats that maybe useful for the detection of similarity among the genotypes. Collectively, these data show that the SSR extraction is a valuable method to illustrate genetic variation of genomes...
June 2017: Data in Brief
https://www.readbyqxmd.com/read/28454702/creatine-biosynthesis-and-transport-by-the-term-human-placenta
#7
Stacey J Ellery, Paul A Della Gatta, Clinton R Bruce, Greg M Kowalski, Miranda Davies-Tuck, Joanne C Mockler, Padma Murthi, David W Walker, Rod J Snow, Hayley Dickinson
INTRODUCTION: Creatine is an amino acid derivative that is involved in preserving ATP homeostasis. Previous studies suggest an important role for the creatine kinase circuit for placental ATP turnover. Creatine is obtained from both the diet and endogenous synthesis, usually along the renal-hepatic axis. However, some tissues with a high-energy demand have an inherent capacity to synthesise creatine. In this study, we determined if the term human placenta has the enzymatic machinary to synthesise creatine...
April 2017: Placenta
https://www.readbyqxmd.com/read/28405025/high-avidity-iga-protects-the-intestine-by-enchaining-growing-bacteria
#8
Kathrin Moor, Médéric Diard, Mikael E Sellin, Boas Felmy, Sandra Y Wotzka, Albulena Toska, Erik Bakkeren, Markus Arnoldini, Florence Bansept, Alma Dal Co, Tom Völler, Andrea Minola, Blanca Fernandez-Rodriguez, Gloria Agatic, Sonia Barbieri, Luca Piccoli, Costanza Casiraghi, Davide Corti, Antonio Lanzavecchia, Roland R Regoes, Claude Loverdo, Roman Stocker, Douglas R Brumley, Wolf-Dietrich Hardt, Emma Slack
Vaccine-induced high-avidity IgA can protect against bacterial enteropathogens by directly neutralizing virulence factors or by poorly defined mechanisms that physically impede bacterial interactions with the gut tissues ('immune exclusion'). IgA-mediated cross-linking clumps bacteria in the gut lumen and is critical for protection against infection by non-typhoidal Salmonella enterica subspecies enterica serovar Typhimurium (S. Typhimurium). However, classical agglutination, which was thought to drive this process, is efficient only at high pathogen densities (≥10(8) non-motile bacteria per gram)...
April 27, 2017: Nature
https://www.readbyqxmd.com/read/28404110/ombitasvir-paritaprevir-and-ritonavir-plus-ribavirin-for-chronic-hepatitis-c-virus-genotype-4-infection-in-egyptian-patients-with-or-without-compensated-cirrhosis-agate-ii-a-multicentre-phase-3-partly-randomised-open-label-trial
#9
Imam Waked, Gamal Shiha, Roula B Qaqish, Gamal Esmat, Ayman Yosry, Mohamed Hassany, Reham Soliman, Mohammad A Mohey, Naglaa Allam, Naglaa Zayed, Tarik Asselah, Coleen Hall, Rebecca Redman, Niloufar Mobashery, Wahid Doss
BACKGROUND: In Egypt, chronic hepatitis C virus (HCV) infection occurs in around 10% of the population (about 8 million individuals), and is a leading cause of liver cirrhosis, hepatocellular carcinoma, and mortality. Although HCV genotype 4 constitutes about 20% of HCV infections worldwide, the prevalence in Egypt is more than 90%. We assessed the efficacy and safety of the two direct-acting antiviral drugs ombitasvir, an NS5A inhibitor, and paritaprevir, an NS3/4A protease inhibitor dosed with ritonavir, plus ribavirin in treatment of chronic HCV infection in Egypt...
September 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28404108/ombitasvir-paritaprevir-and-ritonavir-plus-ribavirin-in-adults-with-hepatitis-c-virus-genotype-4-infection-and-cirrhosis-agate-i-a-multicentre-phase-3-randomised-open-label-trial
#10
Tarik Asselah, Christophe Hézode, Roula B Qaqish, Magdy ElKhashab, Tarek Hassanein, George Papatheodoridis, Jordan J Feld, Christophe Moreno, Stefan Zeuzem, Peter Ferenci, Yao Yu, Rebecca Redman, Tami Pilot-Matias, Niloufar Mobashery
BACKGROUND: Hepatitis C virus (HCV) genotype 4 infection is most commonly reported in sub-Saharan Africa and the Middle East; however, prevalence is increasing worldwide through immigration. HCV genotype 4 accounts for 20% of all infections, but clinical trial data for treatment remain limited. We assessed the combination of two direct-acting antivirals, ombitasvir (NS5A inhibitor) and paritaprevir (NS3/4A protease inhibitor; co-dosed with ritonavir) plus ribavirin in patients with HCV genotype 4 infection and compensated cirrhosis...
September 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28325734/does-maternal-fetal-transfer-of-creatine-occur-in-pregnant-sheep
#11
Syed Baharom, Robert De Matteo, Stacey Ellery, Paul Della Gatta, Clinton R Bruce, Greg M Kowalski, Nadia Hale, Hayley Dickinson, Richard Harding, David Walker, Rodney J Snow
Our aim was to determine the disposition of creatine in ovine pregnancy and whether creatine is transferred across the placenta from mother to fetus. Pregnant ewes received either 1) a continuous intravenous infusion of creatine monohydrate or saline from 122 to 131 days gestation, with maternal and fetal arterial blood and amniotic fluid samples collected daily for creatine analysis and fetal tissues collected at necropsy at 133 days for analysis of creatine content, or 2) a single systemic bolus injection of [(13)C]creatine monohydrate at 130 days of gestation, with maternal and fetal arterial blood, uterine vein blood, and amniotic fluid samples collected before and for 4 h after injection and analyzed for creatine, creatine isotopic enrichment, and guanidinoacetic acid (GAA; precursor of creatine) concentrations...
July 1, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28318881/targeted-therapy-in-thyroid-cancer-state-of-the-art
#12
REVIEW
L Valerio, L Pieruzzi, C Giani, L Agate, V Bottici, L Lorusso, V Cappagli, L Puleo, A Matrone, D Viola, C Romei, R Ciampi, E Molinaro, R Elisei
Thyroid cancer typically has a good outcome following standard treatments, which include surgery, radioactive iodine ablation for differentiated tumours and treatment with thyrotropine hormone-suppressive levothyroxine. Thyroid cancers that persist or recur following these therapies have a poorer prognosis. Cytotoxic chemotherapy or external beam radiotherapy has a low efficacy in these patients. 'Target therapy' with tyrosine kinase inhibitors (TKIs) represent an important therapeutic option for the treatment of advanced cases of radioiodine refractory (RAI-R) differentiated thyroid cancer (DTC), medullary thyroid cancer (MTC) and possibly for cases of poorly differentiated (PDTC) and anaplastic thyroid cancer (ATC)...
May 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28285332/the-role-of-l-arginine-l-homoarginine-nitric-oxide-pathway-for-aortic-distensibility-and-intima-media-thickness-in-stroke-patients
#13
Arash Haghikia, Georgi Radoslavov Yanchev, Arslan Arinc Kayacelebi, Erik Hanff, Nils Bledau, Christian Widera, Kristina Sonnenschein, Aiden Haghikia, Karin Weissenborn, Johann Bauersachs, Udo Bavendiek, Dimitrios Tsikas
Asymmetric dimethylarginine (ADMA) and L-homoarginine (hArg) are L-arginine (Arg) metabolites derived from different pathways. Protein arginine N-methyltransferase (PRMT) and subsequent proteolysis of proteins containing methylarginine residues release ADMA. Arginine:glycine amidinotransferase (AGAT) converts Arg to hArg and guanidinoacetate (GAA). While high concentrations of ADMA and low concentrations of hArg in the blood have been established as cardiovascular risk markers, the cardiovascular relevance of GAA is still unexplored...
June 2017: Amino Acids
https://www.readbyqxmd.com/read/28265784/-all-i-need-is-help-to-do-well-herbs-medicines-faith-and-syncretism-in-the-negotiation-of-elder-health-treatment-in-rural-ghana
#14
Eileen Smith-Cavros, Joyce Avotri-Wuaku, Albert Wuaku, Amal Bhullar
This qualitative research sought answers to questions about how elders in Agate, Ghana, coped with the challenges of illness in a rural village and in particular how they negotiated treatment for their illnesses within a flawed and limited healthcare system. In our study, 22 of 28 interviewees used all methods available to them (biomedical approaches [doctors and/or hospitals and/or doctor-prescribed medications], herbs, over-the-counter medicines [i.e., acetaminophen painkillers], and faith-based methods [praying/fasting/laying of hands/holy food and/or water]) in attempts to heal their illnesses...
March 6, 2017: Journal of Religion and Health
https://www.readbyqxmd.com/read/28148286/fifteen-year-follow-up-of-italian-families-affected-by-arginine-glycine-amidinotransferase-deficiency
#15
Roberta Battini, M Grazia Alessandrì, Claudia Casalini, Manuela Casarano, Michela Tosetti, Giovanni Cioni
BACKGROUND: Arginine:glycine amidinotransferase deficiency (AGAT-d) is a very rare inborn error of creatine synthesis mainly characterized by absence of brain Creatine (Cr) peak, intellectual disability, severe language impairment and behavioural disorder and susceptible to supplementary Cr treatment per os. Serial examinations by magnetic resonance spectroscopy are required to evaluate Cr recovery in brain during treatment of high doses of Cr per os, which have been proved beneficial and effective in treating main clinical symptoms...
February 2, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28000250/data-driven-region-of-interest-selection-without-inflating-type-i-error-rate
#16
Joseph L Brooks, Alexia Zoumpoulaki, Howard Bowman
In ERP and other large multidimensional neuroscience data sets, researchers often select regions of interest (ROIs) for analysis. The method of ROI selection can critically affect the conclusions of a study by causing the researcher to miss effects in the data or to detect spurious effects. In practice, to avoid inflating Type I error rate (i.e., false positives), ROIs are often based on a priori hypotheses or independent information. However, this can be insensitive to experiment-specific variations in effect location (e...
January 2017: Psychophysiology
https://www.readbyqxmd.com/read/27929713/postoperative-thyroglobulin-and-neck-ultrasound-in-the-risk-restratification-and-decision-to-perform-131i-ablation
#17
Antonio Matrone, Carla Gambale, Paolo Piaggi, David Viola, Carlotta Giani, Laura Agate, Valeria Bottici, Francesca Bianchi, Gabriele Materazzi, Paolo Vitti, Eleonora Molinaro, Rossella Elisei
Context: There is much debate surrounding the choice of which patient should be submitted to postsurgical remnant radioiodine remnant ablation (RRA), particularly in low-risk (LR) and intermediate-risk (IR) differentiated thyroid cancer (DTC). Objective: The aim of this study was to evaluate the role of postoperative high-sensitive thyroglobulin (Tg) on L-thyroxine (LT4-HSTg) and postoperative neck ultrasound (US) in risk restratification and decision to perform RRA...
March 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27909961/short-peptides-regulate-gene-expression
#18
V Kh Khavinson, N S Lin'kova, S I Tarnovskaya
Short peptides constitute the system of signal molecules regulating the functions of the organism at the molecular, genetic, subcellular, cellular, and tissue levels. One short peptide can regulate dozens of genes, but the molecular mechanism of this process remains unclear. We suppose that short peptides penetrate through the cytoplasmic and nuclear membrane and bind to DNA. Spatial models of DNA-peptide complexes are constructed for 19 short peptides by the docking method. Some peptides have the same binding sites...
December 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27883908/scalable-preparation-characterization-and-application-of-alkali-treated-starch-as-a-new-organic-base-catalyst
#19
Fatemeh Tamaddon, MohammadTaghi KazemiVarnamkhasti
Preparation, characterization, and application of alkali starch (AS) given by dry co-grinding of starch and alkali is described in this work. Grinding using a mortar (agate) and pestle or, more conveniently, a ball mill has been found to be satisfactory for the preparation of the AS. The AS products were characterized by scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) and x-ray fluorescence (XRF) analyses. The base capacities of ASs were 4.25-4.45 mmol/g, respectively...
January 2, 2017: Carbohydrate Research
https://www.readbyqxmd.com/read/27837548/left-ventricular-function-assessment-using-123-i-99m-tc-dual-isotope-acquisition-with-two-semi-conductor-cadmium-zinc-telluride-czt-cameras-a-gated-cardiac-phantom-study
#20
Tanguy Blaire, Alban Bailliez, Fayçal Ben Bouallegue, Dimitri Bellevre, Denis Agostini, Alain Manrique
BACKGROUND: The impact of increased energy resolution of cadmium-zinc-telluride (CZT) cameras on the assessment of left ventricular function under dual-isotope conditions ((99m)Tc and (123)I) remains unknown. The Amsterdam-gated dynamic cardiac phantom (AGATE, Vanderwilt techniques, Boxtel, The Netherlands) was successively filled with a solution of (123)I alone, (99m)Tc alone, and a mixture of (123)I and (99m)Tc. A total of 12 datasets was acquired with each commercially available CZT camera (DNM 530c, GE Healthcare and DSPECT, Biosensors International) using both energy windows ((99m)Tc or (123)I) with ejection fraction set to 33, 45, and 60 %...
December 2016: EJNMMI Physics
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