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https://www.readbyqxmd.com/read/29159062/evaluation-of-factors-influencing-18-f-fet-uptake-in-the-brain
#1
Antoine Verger, Carina Stegmayr, Norbert Galldiks, Axel Van Der Gucht, Philipp Lohmann, Gabriele Stoffels, Nadim J Shah, Gereon R Fink, Simon B Eickhoff, Eric Guedj, Karl-Josef Langen
PET using the amino-acid O-(2-(18)F-fluoroethyl)-l-tyrosine ((18)F-FET) is gaining increasing interest for brain tumour management. Semi-quantitative analysis of tracer uptake in brain tumours is based on the standardized uptake value (SUV) and the tumour-to-brain ratio (TBR). The aim of this study was to explore physiological factors that might influence the relationship of SUV of (18)F-FET uptake in various brain areas, and thus affect quantification of (18)F-FET uptake in brain tumours. Negative (18)F-FET PET scans of 107 subjects, showing an inconspicuous brain distribution of (18)F-FET, were evaluated retrospectively...
2018: NeuroImage: Clinical
https://www.readbyqxmd.com/read/29156939/phenolic-compounds-as-natural-and-multifunctional-anti-obesity-agents-a-review
#2
Celia Rodríguez-Pérez, Antonio Segura-Carretero, María Del Mar Contreras
Prevalence of obesity worldwide has reached pandemic proportions. Despite the increasing evidence in the implication of phenolic compounds in obesity management, the real effect is not completely understood. The available in vitro and in vivo studies have demonstrated the implication of phenolic compounds in: lowering food intake, decreasing lipogenesis, increasing lipolysis, stimulating fatty acids β-oxidation, inhibiting adipocyte differentiation and growth, attenuating inflammatory responses and suppress oxidative stress...
November 20, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29155807/a-synbiotic-containing-amino-acid-based-formula-improves-gut-microbiota-in-non-ige-mediated-allergic-infants
#3
David C A Candy, Marleen T J Van Ampting, Manon M Oude Nijhuis, Harm Wopereis, Assad M Butt, Diego G Peroni, Yvan Vandenplas, Adam T Fox, Neil Shah, Christina E West, Johan Garssen, Lucien F Harthoorn, Jan Knol, Louise J Michaelis
BACKGROUND: Prebiotics and probiotics (synbiotics) can modify gut microbiota and have potential in allergy management when combined with amino acid-based formula (AAF) for infants with cow's milk allergy (CMA). METHODS: This multicenter, double-blind, randomized controlled trial investigated the effects of an AAF including synbiotic blend on percentages of bifidobacteria and Eubacterium rectale/Clostridium coccoides group (ER/CC) in feces from infants with suspected non-IgE-mediated CMA...
November 20, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29153519/invited-review-practical-feeding-management-recommendations-to-mitigate-the-risk-of-subacute-ruminal-acidosis-in-dairy-cattle
#4
E Humer, R M Petri, J R Aschenbach, B J Bradford, G B Penner, M Tafaj, K-H Südekum, Q Zebeli
Rumen health is of vital importance in ensuring healthy and efficient dairy cattle production. Current feeding programs for cattle recommend concentrate-rich diets to meet the high nutritional needs of cows during lactation and enhance cost-efficiency. These diets, however, can impair rumen health. The term "subacute ruminal acidosis" (SARA) is often used as a synonym for poor rumen health. In this review, we first describe the physiological demands of cattle for dietary physically effective fiber. We also provide background information on the importance of enhancing salivary secretions and short-chain fatty acid absorption across the stratified squamous epithelium of the rumen; thus, preventing the disruption of the ruminal acid-base balance, a process that paves the way for acidification of the rumen...
November 15, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29153172/a-100-year-review-metabolic-health-indicators-and-management-of-dairy-cattle
#5
T R Overton, J A A McArt, D V Nydam
Our aim in this Journal of Dairy Science centennial review is to describe the evolution of focus on metabolic indicators, from discovery and description to evaluation at the individual cow and subsequently herd levels, over the past 100 yr. Furthermore, we discuss current and future technologies that will be used in the dairy industry to utilize these indicators widely going forward. Knowledge of chemical changes in various fluids (e.g., blood, urine, and milk) accompanying numerous metabolic disease states in the dairy cow has existed since almost the beginning of the Journal of Dairy Science 100 yr ago...
December 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29153022/-rhabdomyolysis-may-it-be-a-metabolic-myopathy-case-report-and-diagnostic-algorithm
#6
Ágnes Sebők, Endre Pál, Gergő Attila Molnár, István Wittmann, Judit Berenténé Bene, Béla Melegh, Sámuel Komoly, Tibor Hidvégi, Lídia Balogh, Attila Szabó, Petra Zsidegh
We report the case of a 46-year-old female patient with recurrent rhabdomyolysis. In the background of her metabolic myopathy an inherited metabolic disorder of the fatty acid oxidation, very long-chain acyl-coenzyme A-dehydrogenase deficiency was diagnosed. The diagnosis was based on abnormal acyl-carnitine- and urine organic-acid profile in addition to low residual enzyme activity, and was confirmed by genetic testing. After introduction of dietotherapy metabolic crisis necessitating hospital admission has not occurred neither have fixed myopathic changes developed...
November 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/29152193/using-pentosidine-and-hydroxyproline-to-predict-age-and-sex-in-an-avian-species
#7
Brian S Dorr, Randal S Stahl, Katie C Hanson-Dorr, Carol A Furcolow
All living organisms are subject to senescence accompanied by progressive and irreversible physiological changes. The error damage and cross-linking theories suggest that cells and tissues are damaged by an accumulation of cross-linked proteins, slowing down bodily processes and resulting in aging. A major category of these cross-linked proteins are compounds called advanced glycation end products (AGEs). We investigated the relationship between accumulation of the AGE, pentosidine (Ps), and hydroxyproline (HYP) a post-translationally modified amino acid, with age, sex, and breeding status (breeder/nonbreeder) from skin samples of known age (i...
November 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/29151020/complications-of-regional-citrate-anticoagulation-accumulation-or-overload
#8
Antoine G Schneider, Didier Journois, Thomas Rimmelé
Regional citrate anticoagulation (RCA) is now recommended over systemic heparin for continuous renal replacement therapy in patients without contraindications. Its use is likely to increase throughout the world. However, in the absence of citrate blood level monitoring, the diagnosis of citrate accumulation, the most feared complication of RCA, remains relatively complex. It is therefore commonly mistaken with other conditions. This review aims at providing clarifications on RCA-associated acid-base disturbances and their management at the bedside...
November 19, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29150418/immune-enhancing-formulas-for-patients-with-cancer-undergoing-esophagectomy-systematic-review-protocol
#9
Astrid Naranjo, Elizabeth Isenring, Laisa Teleni
BACKGROUND: Adult patients with an esophageal cancer can potentially be compromised with postoperative leaks or fistulae if patients' nutritional status is in a vulnerable stage. Currently in Australia, there is a growing need for clinicians to know whether use of immune-enhancing formulas (IEFs) containing Arg, omega-3, and RNA are a cost-effective approach compared with isonitrogenous-isocaloric formulas to reduce postoperative infectious complications in esophagectomy patients. Since IEFs may carry higher costs, this has led to inconsistencies in practice among clinicians and hospitals...
November 17, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/29147917/recommendations-for-perioperative-management-of-lung-cancer-patients-with-comorbidities
#10
REVIEW
Hiroyoshi Tsubochi, Tomoki Shibano, Shunsuke Endo
OBJECTIVES: To improve surgical outcomes, clinicians must provide optimal perioperative care for comorbidities identified as significant factors in risk models for patients undergoing lung cancer surgery. METHODS: We reviewed trends in perioperative care for idiopathic pulmonary fibrosis, cardiovascular diseases, and end-stage renal diseases in patients undergoing lung cancer surgery, as large clinical databases indicate that these comorbidities are significant risk factors for lung cancer surgery...
November 16, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29135028/effects-of-hydrolyzed-rapeseed-cake-extract-on-the-quality-characteristics-of-mayonnaise-dressing
#11
Ye-Seul Kim, Jeung-Hee Lee
Combined fractions (H2 O and 30% and 50% ethanol) of crude rapeseed cake extracts with 80% ethanol were hydrolyzed with NaOH solution. The hydrolyzed extract showed significantly higher contents of total phenolics (41.8 mg SAE/g) and sinapic acid (425.8 mg/g), as well as higher 1,1-diphenyl-2-picryl-hydrazyl radical-scavenging capacity (91.98 RSC%) than the crude extract (P < 0.05). Antimicrobial activity of the hydrolyzed extract was remarkably higher than that of the crude extract against selected Gram-positive and Gram-negative bacteria as well as yeast, as determined by the minimum inhibitory concentration method...
November 14, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/29132874/combining-serum-microrna-and-ca-125-as-prognostic-indicators-of-preoperative-surgical-outcome-in-women-with-high-grade-serous-ovarian-cancer
#12
Jaynish S Shah, Gregory B Gard, Jean Yang, Jayne Maidens, Susan Valmadre, Patsy S Soon, Deborah J Marsh
OBJECTIVES: The most widely used approach for the clinical management of women with high-grade serous ovarian cancer (HGSOC) is surgery, followed by platinum and taxane based chemotherapy. The degree of macroscopic disease remaining at the conclusion of surgery is a key prognostic factor determining progression free and overall survival. We sought to develop a non-invasive test to assist surgeons to determine the likelihood of achieving complete surgical resection. This knowledge could be used to plan surgical approaches for optimal clinical management...
November 10, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29132247/management-of-a-rare-case-with-severe-hydrofluoric-acid-burns-important-roles-of-neutralizers-and-continuous-renal-replacement-therapy
#13
Yuanhai Zhang, Xingang Wang, Yuezhen Liu, Xinhua Jiang, Chunjiang Ye, Liangfang Ni, Liping Zhang, Jianfen Zhang, Bin Xu, Chunmao Han
Hydrofluoric acid (HF), a dangerous inorganic acid, is widely used in various industries and in daily life. Chemical burns caused by HF exposure occur more frequently in some regions worldwide. It has been reported that some cases with HF burns can be lethal due to the hypertoxicity of HF. In this article, we present a case of a 24-year-old worker who suffered HF burns by 53% HF solution to his face, neck, and nasal cavity. This patient quickly developed electrolyte disturbance, that is, hypocalcemia, and hypopotassemia, and myocardial injury after exposure...
November 1, 2017: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/29130601/scaling-up-hiv-viral-load-lessons-from-the-large-scale-implementation-of-hiv-early-infant-diagnosis-and-cd4-testing
#14
Trevor Peter, Clement Zeh, Zachary Katz, Ali Elbireer, Bereket Alemayehu, Lara Vojnov, Alex Costa, Naoko Doi, Ilesh Jani
INTRODUCTION: The scale-up of effective HIV viral load (VL) testing is an urgent public health priority. Implementation of testing is supported by the availability of accurate, nucleic acid based laboratory and point-of-care (POC) VL technologies and strong WHO guidance recommending routine testing to identify treatment failure. However, test implementation faces challenges related to the developing health systems in many low-resource countries. The purpose of this commentary is to review the challenges and solutions from the large-scale implementation of other diagnostic tests, namely nucleic-acid based early infant HIV diagnosis (EID) and CD4 testing, and identify key lessons to inform the scale-up of VL...
November 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/29122728/comparative-proteomics-and-codon-substitution-analysis-reveal-mechanisms-of-differential-resistance-to-hypoxia-in-congeneric-snails
#15
Huawei Mu, Jin Sun, Siu Gin Cheung, Ling Fang, Haiyun Zhou, Tiangang Luan, Huoming Zhang, Chris K C Wong, Jian-Wen Qiu
Although high-throughput proteomics has been widely applied to study mechanisms of environmental adaptation, the conclusions from studies that are based on one species can be confounded by phylogeny. We compare the freshwater snail Pomacea canaliculata (a notorious invasive species) and its congener Pomacea diffusa (a non-invasive species) to understand the molecular mechanisms of their differential resistance to hypoxia. A 72-h acute exposure experiment showed that P. canaliculata is more tolerant to hypoxia than P...
November 6, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/29118552/drugs-for-improving-esophageal-mucosa-defense-where-are-we-now-and-where-are-we-going
#16
REVIEW
Edoardo Savarino, Patrizia Zentilin, Elisa Marabotto, Gaia Pellegatta, Claudia Coppo, Matteo Brunacci, Pietro Dulbecco, Vincenzo Savarino
In the past, the attention of physiologists and doctors has been mainly focused on the key role of acid in the pathogenesis of gastroesophageal reflux disease (GERD), but increasing evidence that 20-40% of reflux patients respond not at all or only partially to proton pump inhibitors (PPIs) has underlined the concept that factors other than acid are implicated in its development and the elicitation of symptoms. Among these, impaired mucosal integrity, particularly in most patients with non-erosive reflux disease, has recently been reincluded and the reinforcement of defensive mechanisms and/or its protection has been reappointed as a renewed therapeutic target for the management of GERD patients...
2017: Annals of Gastroenterology: Quarterly Publication of the Hellenic Society of Gastroenterology
https://www.readbyqxmd.com/read/29118166/laboratory-focus-on-improving-the-culture-of-biosafety-statewide-risk-assessment-of-clinical-laboratories-that-process-specimens-for-microbiologic-analysis
#17
Erik Munson, Erin J Bowles, Richard Dern, Eric Beck, Raymond P Podzorski, Allen C Bateman, Timothy K Block, Joshua L Kropp, Tyler Radke, Karen Siebers, Brian Simmons, Mary A Smith, Frances Spray-Larson, David M Warshauer
The Wisconsin State Laboratory of Hygiene challenged Wisconsin laboratories to examine their biosafety practices and improve their culture of biosafety. 103 clinical and public health laboratories completed a questionnaire-based, microbiology-focused biosafety risk assessment. Greater than 96% of respondents performed activities related to specimen processing, direct microscopic examination, and rapid non-molecular testing, while approximately 60% performed culture interpretation. Although important to assessing risk, data specific to patient occupation, symptoms, and travel history were often unavailable to the laboratory and, therefore, less contributory to microbiology biosafety risk assessment than information relative to specimen source and test requisition...
November 8, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29116720/the-croatian-model-of-integrative-prospective-management-of-epilepsy-and-pregnancy
#18
Snježana Miškov, Romana Gjergja Juraški, Ivan Mikula, Silvio Bašić, Marija Bošnjak Pašić, Vesna Košec, Zlatko Sabol, Aleksandra Fučić, Tomislav Sajko, Vanja Bašić Kes
Epilepsy is the most common neurological complication in pregnancy. Women with epilepsy have a higher risk of complications in pregnancy. In Croatia, women with epilepsy are treated by neurologists at tertiary centers according to the place of residence. We prospectively followed-up pregnancies in women with epilepsy and healthy controls, and analyzed the factors responsible for their delivery outcomes and development of their babies. Healthy pregnant women had a higher level of education and economic status, but pregnant women with epilepsy took folic acid in a higher proportion than controls, possibly due to timely preconception counseling...
December 2016: Acta Clinica Croatica
https://www.readbyqxmd.com/read/29114418/stop-being-so-sensitive-an-exceptionally-rare-report-of-ustekinumab-induced-sub-acute-hypersensitivity-pneumonitis
#19
Azka Ali, Jason Chertoff, Christopher Harden, Dara Wakefield, James Wynne
Hypersensitivity pneumonitis (HSP) is a rare syndrome characterised by granulomatous inflammatory lung disease due to repeated sensitisation from a specific antigen. We present the case of a 61-year old male veteran with a history of nodular eczema who presented with 2 weeks of progressive dyspnoea on exertion and pleuritic chest pain. The patient was started on ustekinumab 5 weeks prior to presentation. Initial workup revealed ground-glass opacities on computed tomography (CT) scan of the chest. Cardiac workup was unrevealing with a normal myocardial perfusion stress test...
October 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/29111277/resolution-of-ketoacidosis-in-children-with-new-onset-diabetes-evaluation-of-various-definitions
#20
Julia E von Oettingen, Erinn T Rhodes, Joseph I Wolfsdorf
AIMS: Data are sparse concerning use of serum electrolyte parameters as compared to venous blood gas (VBG) measurements to monitor acid-base status during treatment of diabetic ketoacidosis (DKA). We explored the utility of various parameters to define DKA resolution by investigating the relationship of venous pH (vpH), anion gap (AG), serum bicarbonate (HCO3), and glucose concentration during management of DKA in children with new onset diabetes mellitus (NODM). METHODS: We included all patients with NODM presenting with DKA to Boston Children's Hospital from 10/1/07-7/1/13...
October 27, 2017: Diabetes Research and Clinical Practice
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