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https://www.readbyqxmd.com/read/28527274/caracter%C3%A3-sticas-de-la-estructura-molecular-de-las-prote%C3%A3-nas-e-del-virus-del-zika-y-e1-del-virus-de-la-rub%C3%A3-ola-y-posibles-implicaciones-en-el-neurotropismo-y-en-las-alteraciones-del-sistema-nervioso
#1
Luis Alberto Gómez, Gladis Montoya, Hernán Mauricio Rivera, Juan Carlos Hernández
Introducción. El virus del Zika (ZIKV) es un flavivirus con envoltura, transmitido a los seres humanos principalmente por el vector Aedes aegypti. La infección por ZIKV se ha asociado con un gran neurotropismo y con efectos neuropáticos, como el síndrome de Guillain-Barré en el adulto y la microcefalia fetal y posnatal, así como con un síndrome de infección congénita similar al producido por el virus de la rubéola (RV).Objetivo. Comparar las estructuras moleculares de la proteína de envoltura E del virus del Zika (E-ZIKV) y de la E1 del virus de la rubéola (E1-RV), y plantear posibles implicaciones en el neurotropismo y en las alteraciones del sistema nervioso asociadas con el ZIKV...
April 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28523076/metaproteomics-guided-selection-of-targeted-enzymes-for-bioprospecting-of-mixed-microbial-communities
#2
Jutta Speda, Bengt-Harald Jonsson, Uno Carlsson, Martin Karlsson
BACKGROUND: Hitherto, the main goal of metaproteomic analyses has been to characterize the functional role of particular microorganisms in the microbial ecology of various microbial communities. Recently, it has been suggested that metaproteomics could be used for bioprospecting microbial communities to query for the most active enzymes to improve the selection process of industrially relevant enzymes. In the present study, to reduce the complexity of metaproteomic samples for targeted bioprospecting of novel enzymes, a microbial community capable of producing cellulases was maintained on a chemically defined medium in an enzyme suppressed metabolic steady state...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28522025/corrigendum-to-genetic-polymorphism-of-cynomolgus-and-rhesus-macaque-cyp2c9-drug-metab-pharmacokinet-30-2015-130-132
#3
Yasuhiro Uno, Akinori Matsushita, Norie Murayama, Hiroshi Yamazaki
No abstract text is available yet for this article.
April 25, 2017: Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/28520542/hybrid-palliation-for-interrupted-aortic-arch-with-small-aortic-valve
#4
Yoshimasa Uno, Ayumu Masuoka, Kentarou Hotoda, Toshiyuki Katogi, Takaaki Suzuki
OBJECTIVES: Open heart surgery for interrupted aortic arch in the neonatal period is still a high-risk procedure related in part to patient factors such as low birth weight, other morphologic anomalies, and, especially, small aortic valve size. Recently, we performed hybrid palliation with bilateral pulmonary artery banding and ductal stenting as the first-stage palliation for such cases. In this study, the outcomes of this procedure were examined. METHODS: Six cases of interrupted aortic arch with a small aortic valve underwent the hybrid procedure in the neonatal period in our institute from 2010 to 2015 (mean age: 6...
May 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28520210/biases-in-the-reporting-of-hcc-tumor-sizes-on-the-liver-transplant-waiting-list
#5
Mariya L Samoylova, Mark J Nigrini, Jennifer L Dodge, John P Roberts
We investigate the possibility that patients with hepatocellular carcinoma (HCC) listed for liver transplant with tumors just outside Stage T2 size criteria may be inaccurately reported as just meeting the tumor size criteria for transplant. The UNOS/STAR database identified 12,958 patients listed for liver transplants with HCC exception points from 2006-2013, 9,168 of whom were listed with one tumor. A logistic power peak function was fitted to the single-tumor size histogram, with the fitted values representing unbiased expected values...
May 18, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28517242/race-ethnicity-is-associated-with-abo-non-identical-liver-transplantation-in-the-united-states
#6
Jin Ge, John P Roberts, Jennifer C Lai
United Network for Organ Sharing (UNOS) policies allows for ABO non-identical liver transplantation (LT) in candidates with Model for End-Stage Liver Disease (MELD) scores greater than 30. Previous studies showed ABO non-identical LT resulted in an 18% and 55% net gain in livers for B and AB candidates. These results suggested that the current liver ABO allocation policies may need refinement. There are, however, strong associations between ABO blood groups and race/ethnicity. We hypothesized that race/ethnicity is associated with ABO non-identical LT and that this is primarily influenced by recipient ABO status...
May 18, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28514250/accept-or-decline-an-analytics-based-decision-tool-for-kidney-offer-evaluation
#7
Dimitris Bertsimas, Jerry Kung, Nikolaos Trichakis, David Wojciechowski, Parsia A Vagefi
BACKGROUND: When a deceased-donor kidney is offered to a waitlisted candidate, the decision to accept or decline the organ relies primarily upon a practitioner's experience and intuition. Such decisions must achieve a delicate balance between estimating the immediate benefit of transplantation and the potential for future higher-quality offers. However, the current experience-based paradigm lacks scientific rigor and is subject to the inaccuracies that plague anecdotal decision-making...
May 17, 2017: Transplantation
https://www.readbyqxmd.com/read/28510355/the-national-landscape-of-living-kidney-donor-follow-up-in-the-united-states
#8
Macey L Henderson, Alvin G Thomas, Ashton Shaffer, Allan B Massie, Xun Luo, Courtenay M Holscher, Tanjala S Purnell, Krista Lentine, Dorry L Segev
In 2013, OPTN/UNOS mandated that transplant centers collect data on living kidney donors (LKDs) at 6-months, 1-year, and 2-years post-donation, with policy-defined thresholds for the proportion of complete living donor follow-up (LDF) data submitted in a timely manner (60 days before or after the expected visit date). While mandated, it was unclear how centers across the country would perform in meeting thresholds, given potential donor and center-level challenges of LDF. To better understand the impact of this policy, we studied SRTR data for 31,615 LKDs between 1/2010-6/2015, comparing proportions of complete and timely LDF form submissions pre- and post-policy implementation...
May 16, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28507106/efficacy-and-pharmacokinetics-of-the-combination-of-op0595-and-cefepime-in-a-mouse-model-of-pneumonia-caused-by-esbl-producing-klebsiella-pneumoniae
#9
Norihito Kaku, Kosuke Kosai, Kazuaki Takeda, Naoki Uno, Yoshitomo Morinaga, Hiroo Hasegawa, Taiga Miyazaki, Koichi Izumikawa, Hiroshi Mukae, Katsunori Yanagihara
Background: OP0595 (RG6080) is a novel diazobicyclooctane that inhibits class A and C serine beta-lactamases. Although the combination of OP0595 and cefepime (FEP) showed good in vitro activity against extended spectrum beta-lactamase (ESBL)-producing pathogens, the effect of the combination therapy against severe infections, such as pneumonia or bacteraemia, remains unknown in vivo.Objectives: In this study, we investigated the efficacy and pharmacokinetics of the combination therapy of OP0595 and FEP in a mouse model of pneumonia caused by Klebsiella pneumoniae harbouring SHV and CTX-M-9-type ESBLs...
May 15, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28507100/the-microrna-machinery-regulates-fasting-induced-changes-in-gene-expression-and-longevity-in-caenorhabditis-elegans
#10
Akiko Kogure, Masaharu Uno, Takako Ikeda, Eisuke Nishida
Intermittent fasting (IF) is a dietary restriction regimen that extends the lifespans of Caenorhabditis elegans and mammals by inducing changes in gene expression. However, how IF induces these changes and promotes longevity remains unclear. One proposed mechanism involves gene regulation by microRNAs (miRNAs), small non-coding RNAs (approximately 22 nucleotides) that repress gene expression and whose expression can be altered by fasting. To test this proposition, we examined the role of the miRNA machinery in fasting-induced transcriptional changes and longevity in C...
May 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28506148/large-scale-phase-synchrony-reflects-clinical-status-after-stroke-an-eeg-study
#11
Teiji Kawano, Noriaki Hattori, Yutaka Uno, Keiichi Kitajo, Megumi Hatakenaka, Hajime Yagura, Hiroaki Fujimoto, Tomomi Yoshioka, Michiko Nagasako, Hironori Otomune, Ichiro Miyai
BACKGROUND AND PURPOSE: Stroke-induced focal brain lesions often exert remote effects via residual neural network activity. Electroencephalographic (EEG) techniques can assess neural network modifications after brain damage. Recently, EEG phase synchrony analyses have shown associations between the level of large-scale phase synchrony of brain activity and clinical symptoms; however, few reports have assessed such associations in stroke patients. OBJECTIVE: The aim of this study was to investigate the clinical relevance of hemispheric phase synchrony in stroke patients by calculating its correlation with clinical status...
June 2017: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/28496531/differential-simultaneous-liver-and-kidney-transplant-benefit-based-on-severity-of-liver-damage-at-the-time-of-transplantation
#12
Shahid Habib, Khalid Khan, Chiu-Hsieh Hsu, Edward Meister, Abbas Rana, Thomas Boyer
BACKGROUND: We evaluated the concept of whether liver failure patients with a superimposed kidney injury receiving a simultaneous liver and kidney transplant (SLKT) have similar outcomes compared to patients with liver failure without a kidney injury receiving a liver transplantation (LT) alone. METHODS: Using data from the United Network of Organ Sharing (UNOS) database, patients were divided into five groups based on pre-transplant model for end-stage liver disease (MELD) scores and categorized as not having (serum creatinine (sCr) ≤ 1...
April 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/28495902/regio-and-stereo-selective-oxidation-of-a-cardiovascular-drug-metoprolol-mediated-by-cytochrome-p450-2d-and-3a-enzymes-in-marmoset-livers
#13
Shotaro Uehahara, Sakura Ishii, Yasuhiro Uno, Takashi Inoue, Erika Sasaki, Hiroshi Yamazaki
A β-blocker metoprolol is one of the in vivo probes for human cytochrome P450 (P450) 2D6. Investigation of non-human primate P450 enzymes helps improve accuracy of the extrapolation of pharmacokinetic data from animals into humans. Common marmosets (Callithrix jacchus) are a potential primate model for preclinical research, but detailed roles of marmoset P450 enzymes in metoprolol oxidations remained unknown. In this study, regio- and stereo-selectivity of metoprolol oxidations by a variety of P450 enzymes in marmoset and human livers were investigated in vitro...
May 11, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28495438/african-americans-have-a-lower-prevalence-of-portal-vein-thrombosis-at-the-time-of-liver-transplantation
#14
Dmitri Bezinover, Ethan Reeder, Faisal Aziz, Fuat Saner, Patrick McQuillan, Zakiyah Kadry, Thomas Riley, Dmitri Guvakov, Piotr K Janicki
BACKGROUND: Perioperative vascular thrombotic events in patients undergoing liver transplantation (LT) are associated with significant morbidity and mortality. METHODS: In this retrospective UNOS database analysis, we evaluated the prevalence of portal vein thrombosis (PVT) and factors contributing to PVT development in different ethnic groups. RESULTS: Of the 47 953 LT performed between 2002 and 2015, we identified 3642 cases of PVT. African Americans (AA) had a significantly lower prevalence of PVT compared to other ethnic groups (p = 0...
May 8, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28492589/-marcato-aumento-delle-concentrazioni-di-procalcitonina-dopo-idroclorotiazide-edema-polmonare-indotta
#15
Eleni Rebelos, Alessandro Cipriano, Alessio Maffei, Gaetano Diricatti, Massimo Santini
INTRODUCTION: In the Medline database there are approximately 60 cases reporting toxic pulmonary edema, a life-threatening event, induced after consumption of hydrochlorothiazide, one of the most common antihypertensive drugs. Moreover, increased procalcitonin concentrations have been reported after cardiogenic pulmonary edema. We report the rare case of a hydrochlorothiazide-induced pulmonary edema, which was followed by a marked increase of the procalcitonin concentrations. CLINICAL CASE: A middle-aged woman was admitted to the Emergency Department for severe dyspnea and chills...
April 2017: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/28492585/-biosimilari-in-oncologia-tutti-sono-d-accordo-ma-nessuno-li-usa
#16
Bishal Gyawali
Riassunto. Ridurre il costo dei biologici è un'importante opportunità per affrontare il problema della tossicità finanziaria in oncologia, una delle questioni più rilevanti per i sistemi sanitari. Fare ricorso ai biosimilari, le alternative meno costose ai biologici, è una strategia importante per raggiungere lo scopo. Ma l'entusiasmo provato nel riuscire a sviluppare questi prodotti resta privo di significato se non si traduce in una maggiore prescrizione da parte dei medici, preoccupati dalla possibile insorgenza di reazioni avverse o di minore efficacia...
April 2017: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/28489507/development-and-validation-of-the-premm5-model-for-comprehensive-risk-assessment-of-lynch-syndrome
#17
Fay Kastrinos, Hajime Uno, Chinedu Ukaegbu, Carmelita Alvero, Ashley McFarland, Matthew B Yurgelun, Matthew H Kulke, Deborah Schrag, Jeffrey A Meyerhardt, Charles S Fuchs, Robert J Mayer, Kimmie Ng, Ewout W Steyerberg, Sapna Syngal
Purpose Current Lynch syndrome (LS) prediction models quantify the risk to an individual of carrying a pathogenic germline mutation in three mismatch repair (MMR) genes: MLH1, MSH2, and MSH6. We developed a new prediction model, PREMM5, that incorporates the genes PMS2 and EPCAM to provide comprehensive LS risk assessment. Patients and Methods PREMM5 was developed to predict the likelihood of a mutation in any of the LS genes by using polytomous logistic regression analysis of clinical and germline data from 18,734 individuals who were tested for all five genes...
May 10, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28487727/number-of-endoscopic-retrograde-cholangiopancreatography-procedures-required-for-short-biliary-cannulation-time
#18
Koichiro Mandai, Koji Uno, Yasutoshi Fujii, Takuji Kawamura, Kenjiro Yasuda
Background. Several previous studies assessed the competence in endoscopic retrograde cholangiopancreatography (ERCP) using the bile duct cannulation success rate. However, the cannulation time is also important, because a long cannulation time was reported to be a risk factor for post-ERCP pancreatitis. Aim. To determine the number of ERCP procedures required for short cannulation time of the bile duct. Methods. We retrospectively analyzed 605 ERCP procedures performed for bile duct cannulation in patients with native papilla at our institution between March 2012 and December 2015...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28487309/molecular-cloning-and-characterization-of-marmoset-aldehyde-oxidase
#19
Shotaro Uehara, Yasuhiro Uno, Eriko Okamoto, Takashi Inoue, Erika Sasaki, Hiroshi Yamazaki
Common marmosets (Callithrix jacchus), New world monkeys, are a promising primate model for preclinical drug metabolism studies due to the similarities of cytochrome P450 (P450) enzyme function to those of humans. Despite an increasing number of drug candidates catalyzed by non-P450 enzymes, drug metabolizing enzymes other than P450s have been hardly identified or characterized in marmosets. In this study, we identified aldehyde oxidase (AOX) 1 gene by marmoset genome analysis. AOX1 cDNA was cloned from marmoset livers by reverse transcription-polymerase chain reaction...
May 9, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28480648/korean-patients-undergoing-deceased-donor-liver-transplantation-for-alcoholic-liver-disease-have-non-inferior-survival-outcomes-than-for-hepatitis-b-virus-a-real-world-experience-without-minimum-abstinence-before-transplantation
#20
Suk Kyun Hong, Nam Joon Yi, Hyo Sin Kim, Sung Woo Ahn, Kyung Chul Yoon, Hyeyoung Kim, Kwang Woong Lee, Kyung Suk Suh
Few studies have compared outcomes in patients undergoing liver transplantation (LT) for hepatitis B virus (HBV) and alcoholic liver disease (ALD) in Asian countries in which living donor LT (LDLT) is dominant, where HBV is endemic and where there are no strict regulations on pre-transplant abstinence for ALD. This study compared post-LT outcomes of deceased donor LT (DDLT) in patients with ALD and HBV. Data from 220 patients who underwent primary DDLT at Seoul National University Hospital from January 2010 to December 2014, including 107 with HBV and 38 with ALD, were retrospectively analyzed...
June 2017: Journal of Korean Medical Science
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